EP3454422B1 - Cable connection terminal - Google Patents

Cable connection terminal Download PDF

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Publication number
EP3454422B1
EP3454422B1 EP18192960.5A EP18192960A EP3454422B1 EP 3454422 B1 EP3454422 B1 EP 3454422B1 EP 18192960 A EP18192960 A EP 18192960A EP 3454422 B1 EP3454422 B1 EP 3454422B1
Authority
EP
European Patent Office
Prior art keywords
clamping
conductor
support plate
current bar
connection terminal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP18192960.5A
Other languages
German (de)
French (fr)
Other versions
EP3454422B2 (en
EP3454422A1 (en
Inventor
Herr Michael MEYER
Sergej ISAAK
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wago Verwaltungs GmbH
Original Assignee
Wago Verwaltungs GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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Application filed by Wago Verwaltungs GmbH filed Critical Wago Verwaltungs GmbH
Priority to PL18192960.5T priority Critical patent/PL3454422T5/en
Publication of EP3454422A1 publication Critical patent/EP3454422A1/en
Application granted granted Critical
Publication of EP3454422B1 publication Critical patent/EP3454422B1/en
Publication of EP3454422B2 publication Critical patent/EP3454422B2/en
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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28Clamped connections, spring connections
    • H01R4/48Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/48185Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar adapted for axial insertion of a wire end
    • H01R4/4819Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar adapted for axial insertion of a wire end the spring shape allowing insertion of the conductor end when the spring is unbiased
    • H01R4/4821Single-blade spring
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28Clamped connections, spring connections
    • H01R4/48Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/4828Spring-activating arrangements mounted on or integrally formed with the spring housing
    • H01R4/483Pivoting arrangements, e.g. lever pushing on the spring
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28Clamped connections, spring connections
    • H01R4/48Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/4811Spring details
    • H01R4/4814Self-latching arrangements
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28Clamped connections, spring connections
    • H01R4/48Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/4828Spring-activating arrangements mounted on or integrally formed with the spring housing
    • H01R4/4837Single arrangement activating multiple springs
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28Clamped connections, spring connections
    • H01R4/48Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/4846Busbar details
    • H01R4/485Single busbar common to multiple springs

Definitions

  • the invention relates to a conductor connection terminal with at least one spring-loaded terminal, which has at least one clamping spring and at least one busbar, one clamping leg of the clamping spring being pretensioned with respect to the busbar, so that an electrical conductor can be clamped under spring force between the clamping leg and a conductor connection side of the busbar.
  • a generic conductor connection terminal is in the form of a connecting terminal from the WO 2017/081001 A1 known.
  • the DE 10 2010 025 930 A1 discloses a trigger operated connector.
  • the US 2015/0372401 A1 discloses a spring-cage connection and a conductor connection terminal with a spring-cage connection.
  • the DE 10 2013 101 830 A1 discloses an electrical connection terminal and a method of assembling it.
  • the invention is based on the object of further optimizing a conductor connection terminal, for example a connecting terminal, with regard to the production costs and the structural size.
  • a conductor connection terminal of the type mentioned at the outset in that the conductor rail can be deformed by the clamping spring, the conductor connection terminal having at least one support plate as a further component by which the conductor rail is supported against a deformation of the conductor rail caused by the clamping spring.
  • the support plate supports the busbar in the event of additional electrical loads as well as increased thermal loads, e.g. in the event of a permanent short circuit. Additional heat can be dissipated via the support plate.
  • the electrical connection provided by the busbar is further improved by means of the support plate.
  • a conductor connection terminal with such a construction can also be assembled by means of an automatic machine.
  • the conductor connection terminal can also be provided with a self-supporting contact system.
  • a support plate within the meaning of the invention can be, for example, a component that is flat and / or U-shaped or in another suitable shape and consists of electrically conductive or non-conductive material.
  • the support plate is arranged on the side of the busbar facing away from the conductor connection side of the busbar. In this way, the support plate does not interfere with the insertion or removal of an electrical conductor at a clamping point.
  • One or more other components can be arranged between the support plate and the busbar. In this case, however, it must be ensured that sufficient force transmission between the support plate and the busbar is possible so that the support plate can fulfill its function of reducing or preventing a deformation of the busbar caused by the clamping spring.
  • Other suitable components in the aforementioned sense are, for example, conductive or non-conductive elements attached below the busbar, that is to say between the busbar and the support plate. Conductive elements can be used to provide a branch and thus an additional connection option.
  • the support plate rests directly on the busbar.
  • the support plate can support the busbar directly, i.e. a direct transmission of force between the busbar and the support plate is possible.
  • the heat dissipation via the support plate and the support of the electrical properties of the busbar are optimized.
  • the support plate has at least one support surface running essentially parallel to the busbar and optionally at least one reinforcement section angled with respect to the support surface, through which the area moment of inertia of the support plate is increased at least in the longitudinal direction of the busbar.
  • the support plate can exert a high supporting effect with respect to the busbar with a simple shape and manufacturability.
  • the geometrical moment of inertia of the support plate is increased by the angled reinforcing section or the edge resulting from the angled portion compared to an embodiment of the support plate without such an angled portion.
  • the angled reinforcement section also runs in the longitudinal direction of the busbar, with slight deviations from the longitudinal direction of the busbar (inclined arrangement) also being possible.
  • the support plate can, for example, each have an angled reinforcement section on both sides of the support surface, so that the support plate has a U-shape in cross section.
  • the lateral angled reinforcement sections e.g. in the form of webs (u-shape), are not absolutely necessary, but make the support plate more stable.
  • the support plate has at least one support surface that runs essentially parallel to the busbar and has at least one recess, and the support plate is fixed to the busbar by means of at least one fixing element protruding through the recess.
  • the support plate is fixed on the busbar by means of the fixing element protruding through it by means of a form-fitting connection. This allows a particularly reliable fixation of the support plate on the busbar, which allows a high power transmission between the busbar and the support plate.
  • the fixing element protruding through can additionally protrude through an opening in the busbar.
  • the fixing element protruding through can also be designed as a fixing element protruding from the busbar.
  • the fixing element protruding through is an integral part of the clamping spring, in particular a part of an extended end section of a contact leg of the clamping spring.
  • the protruding fixing element has a mushroom shape in cross section at least in its region protruding through the recess. This allows a particularly reliable form-fitting fixation of the support plate on the busbar while at the same time the arrangement is easy to assemble. Due to its mushroom shape, the protruding fixing element forms a mushroom plug with which a mushroom lock can be implemented on the support plate.
  • the protruding fixing element can be designed, for example, as a flat sheet metal part in the area of its mushroom shape.
  • the mushroom shape can be defined by a narrow point in the end area of the fixing element (size West shape), recesses or other suitable shapes for realizing a form-fitting connection.
  • the support plate can be fixed on the busbar by means of a linear movement and / or a rotary movement by means of the fixing element.
  • the support plate can, for example, also be fixed on the busbar by a combination of linear movement and rotary movement by means of the fixing element. Such movement processes can be carried out simply and quickly both by a person and by an automated production facility.
  • the first spring-force terminal connection can thus be designed like the spring-force terminal connection of the conductor connection terminal mentioned at the outset
  • the second spring-loaded terminal connection can be designed like the initially-mentioned spring-loaded terminal connection of the conductor connection terminal.
  • the initially mentioned busbar of the conductor connection terminal is then a single continuous busbar in the connection terminal, which thus connects the two spring-loaded terminal connections to one another electrically and to a certain extent also mechanically.
  • the first spring-loaded terminal connection can have a first clamping spring, which has a clamping leg for clamping the first electrical conductor against a first clamping point of the busbar and a contact leg for supporting the clamping spring.
  • the second spring-loaded clamping connection can have a second clamping spring, which has a clamping leg for clamping the second electrical conductor against a second clamping point of the busbar and a contact leg for supporting the second clamping spring.
  • the busbar has at least one through opening which is arranged between the first and the second clamping point, an extended end section of the contact leg of the first and / or the second clamping spring being guided through the through opening of the busbar and is attached as a fixing element to the support plate.
  • the through opening of the busbar can in particular be arranged at least essentially in alignment with the recess of the support plate, so that one and the same fixing element can be guided through the through opening of the busbar and the recess of the support plate.
  • both the first and the second clamping spring can have a fixing element as an integral part of the respective clamping spring, in particular in the form of an extended end section of a contact leg of the clamping spring.
  • the support plate extends along the busbar from the first spring-loaded terminal connection to the second spring-loaded terminal connection.
  • the support plate comparable to the busbar, can be designed as a continuous component be that exerts its supporting effect both in the area of the first and in the area of the second spring-loaded terminal connection.
  • the first and / or the second clamping spring is designed in the form of a loop, the respective contact leg being bent in an extended end section of the respective clamping spring in the direction of the busbar.
  • the clamping spring can advantageously be formed in one piece with the fixing element for fixing the support plate on the busbar.
  • the first clamping spring touches the second clamping spring in the area of their respective contact legs.
  • the conductor connection terminal 9 shown is designed as a connecting terminal. It is constructed essentially symmetrically with respect to a vertical axis of symmetry and has a first spring-force terminal connection 1 and a second spring-force terminal connection 2 to the left and right of the vertical axis of symmetry.
  • the first and second spring-loaded terminal connections 1, 2 are arranged in an insulating material housing 4, 5 of the conductor connection terminal 9.
  • the insulating housing 4, 5 can, for example, be designed in at least two parts, e.g. from an upper housing part 4 and a base part 5 that can be connected to the upper housing part 4 by means of locking elements 50 another electrically conductive connection is available, for example a screw connection.
  • the support plate function is retained.
  • the first spring-loaded terminal connection 1 has a first clamping spring 11 which is angled several times in a loop.
  • the first clamping spring 11 has at one end a clamping leg 12 which is used to clamp an electrical conductor introduced through a first conductor insertion opening 10 against a first clamping point 31 of a busbar 3. In this way, the electrical conductor can be clamped to a conductor connection side 39 of the busbar 3.
  • a spring bow 14 adjoins the clamping leg 12 of the first clamping spring 11, which is then followed by a contact leg 15 of the first clamping spring 11.
  • the first clamping spring 11 extends in the area of the contact leg 15 further into an elongated end section 16 in which the material of the first clamping spring 11 is finally bent in a vertical area 17 in the direction of the busbar 3.
  • the end section 16 of the contact leg 15 extends beyond the vertical region 17 further down through a through opening 30 in the busbar 3 as far as the end piece 71 of the first clamping spring 11.
  • the support plate 8 is located below the conductor rail 3, i.e. on the side of the conductor rail 3 facing away from the conductor connection side 39.
  • the support plate 8 rests with its support surface 80 on the conductor rail 3.
  • the support plate 8 extends essentially from the first clamping point 31 to the second clamping point 32.
  • the end section 16 extends through the recess 82 in the support surface 80, so that the end piece 71 ends below the support surface 80.
  • the second clamping spring 21 can, for example, be shaped in the same way as the first clamping spring 11.
  • the second spring-force clamping connection 2 has a second clamping spring 21 which is angled several times in a loop.
  • the second clamping spring 21 has at one end a clamping leg 22 which is used to clamp an electrical conductor introduced through a second conductor insertion opening 20 against a second clamping point 32 of the busbar 3.
  • the electrical conductor can be clamped to the conductor connection side 39 of the busbar 3.
  • a spring bow 24 adjoins the clamping leg 22 of the second clamping spring 21, which is then followed by a contact leg 25 of the second clamping spring 21.
  • the contact leg 25 rests against an inner wall area 42 of the insulating material housing 4, 5 and is supported thereon at least in part against the forces absorbed by the clamping leg 22.
  • the second clamping spring 21 extends in the area of the contact leg 25 further into an elongated end section 26 in which the material of the second clamping spring 21 is finally bent in a vertical area 27 in the direction of the busbar 3.
  • the end section 26 of the contact leg 25 extends beyond the vertical area 27 further down through the through opening 30 of the busbar 3 and the recess 82 in the support surface 80 to the end piece 72 of the first clamping spring 21, so that the end piece 72 is below the support surface 80 ends.
  • the Figure 1 shows the first spring-force terminal connection 1 and the second spring-force terminal connection 2 in the closed state, ie the first and second actuating levers 19, 29 are in the closed position.
  • the end of the clamping leg 12 of the first clamping spring 11 touches the first clamping point 31 of the busbar 3
  • the end of the clamping leg 22 of the second clamping spring 21 touches the second clamping point 32 of the busbar 3.
  • the busbar 3 has impressions in the area of its first and second clamping points 31, 32, through which the material of the busbar 3 is slightly protruded upwards, i.e. in the direction of the respective clamping legs 12, 22. This improves the clamping of a connected electrical conductor.
  • the busbar 3 is designed in one piece as a flat short busbar piece.
  • the busbar 3 is mechanically stabilized in this area by the support plate 8 and also optimized with regard to electrical conduction and heat dissipation.
  • the connecting clamp described can also be designed as a double connecting clamp or multiple connecting clamp.
  • When designed as a double connection terminal there are two juxtaposed clamping points on each conductor insertion side; accordingly, the arrangement of the first clamping spring on the one hand and the second clamping spring on the other hand is also present twice.
  • This is in the representations of the Figures 2 and 3 recognizable.
  • two clamping springs 11 and 21 arranged next to one another are connected to one another via a common vertical area 17 and 27 that is continuous in width and are fastened to the busbar 3 via this.
  • Each vertical area 17, 27 has, for. B. at a central point, said end piece 71 or 72 inserted through the through opening 30 of the busbar 3 and the recess 82 of the support plate 8.
  • the clamping springs 11 and 21 arranged next to one another can be actuated independently of one another, ie they are not connected to one another in the other areas beyond the common vertical regions 17 and 27, respectively.
  • the end pieces 71, 72 are formed in the shape of a mushroom. In this way, the respective end pieces 71, 72 simultaneously form fixing elements for the form-fitting connection of the support plate 8 to the busbar. As a result, the clamping springs 11, 21 are also fixed to the arrangement made up of the busbar 3 and the support plate 8.
  • the connecting terminal is designed as a multiple connecting terminal, there are more than two juxtaposed clamping points on each conductor insertion side, e.g. B. 3, 4, 5 or more.
  • a common through opening can be present in the busbar 3 and the support plate 8 for groups of clamping springs or for all clamping springs for fixing them to the busbar.
  • the first clamping spring 11 is supported in the vertical area 17 on the vertical area 27 of the second clamping spring 21, ie the clamping springs 11, 21 support one another in the area of their vertical sections 17, 27.
  • the vertical area 17 forms in addition, a conductor stop when inserting the first conductor into the insulating housing.
  • the vertical area 27 also forms a conductor stop when the second conductor is inserted into the insulating material housing.
  • the conductor connection terminal 9 can be designed as a simple conductor connection terminal, in which a conductor insertion opening 10, 20 is present on each side. It can also be designed as a double or multiple clamp. In this case, two or more first conductor insertion openings 10 and two or more second conductor insertion openings 20 are each arranged next to one another on each side. A different configuration of the respective actuating lever 19, 29 can be advantageous for such embodiments.
  • the Figure 5 shows an advantageous embodiment of an actuating lever 6, which can be used as a first or second actuating lever 19, 29, specifically for the case that the conductor connection terminal has only one conductor insertion opening 10, 20 on each side.
  • the operating lever 6 has a manual operating area 60 (grip area) on which the operating lever 6 can be operated by a user.
  • the actuating lever 6 also has a mounting axis 61, by means of which it can be mounted with insulating material housing 4, 5.
  • the actuating lever 6 is fork-shaped in the area of the bearing axis 61, with an area 65 recessed in the middle, with which the actuating lever 6 can be slipped over the clamping spring located in between.
  • the clamping spring then has laterally protruding application areas 13 or 23, on which the clamping spring can be acted upon via actuation areas 62 of the actuating lever 6.
  • a rear contour of the actuating lever 6 has two bearing areas 63, 64 which are arranged at an angle to one another and via which the actuating lever is supported in the insulating material housing and / or on the busbar 3. In the closed actuation position, the actuation lever 6 rests with the bearing area 63, in the open position with the bearing area 64 by the bearing areas 63, 64, which on the busbar 3 during the pivoting movement of the actuating lever 19, 29 slide to be able to absorb conditional deflection occurring during the pivoting movement of the actuating lever 19, 29.
  • the Figure 4 shows an embodiment of an actuating lever 6 which is designed for a conductor connection terminal, in which there are two spring-cage terminal connections arranged next to one another on each side of the housing. Accordingly, the entire actuating lever 6 is made wider and has two adjacent, recessed areas 65 in which respective clamping springs can be passed. Corresponding three application areas 62 are provided. In this case, the central area of application 62 acts simultaneously on the two adjacent clamping springs on one side of the conductor connection terminal 9.
  • the conductor connection terminal 9 according to Figure 6 corresponds in its essential structure to that previously based on Figures 1 to 3 explained conductor connection terminal 9. Therefore, the differences will essentially be discussed below.
  • the Figure 6 shows the first spring-loaded terminal connection 1 with the first actuating lever 19 open, in such a way that the first clamping point 31 is not touched by the clamping leg 12 and an electrical conductor that may have previously been clamped there can be removed. It can be seen that the clamping leg 12 of the first clamping spring 11 is then removed from the first clamping point 31.
  • the second spring-loaded terminal connection 2 is shown in the closed state, ie the second actuating lever 29 is in the closed position. In this state, the end of the clamping leg 22 of the second clamping spring 21 touches the second clamping point 32 of the busbar 3.
  • the contact leg 15 rests against an inner wall area 41 of the insulating material housing 4, 5 and is supported thereon at least in part against the forces absorbed by the clamping leg 12.
  • the contact leg 25 rests against an inner wall area 42 of the insulating material housing 4, 5 and is supported thereon at least in part against the forces absorbed by the clamping leg 22.
  • the end section 16 of the contact leg 15 extends beyond the vertical area 17 further down through the through opening 30 of the busbar 3 and the recess 82 of the support plate 8 and is finally suspended in the recess 82, e.g. by an end piece 18 of the end section 16 being further angled and thus engages behind the recess 82.
  • the end section 26 of the contact leg 25 extends beyond the vertical area 27 further down through the through opening 30 of the busbar 3 and the recess 82 of the support plate 8 and is finally hooked into the recess 82, e.g. by an end piece 28 of the end section 26 being angled further and thus engages behind the recess 82.
  • the clamping springs 11, 21 can initially, that is, before they are attached to the busbar 3, not yet be bent outward in their respective end pieces 18, 28 as in FIG Figure 1 is recognizable. At first they can run essentially in a straight line. After the clamping springs 11, 21 have been installed in the through opening 30 of the busbar 3, a further production step takes place in that the end pieces 18, 28 are bent outwards, ie in the direction of the respective conductor insertion opening 10, 20 and then engage behind the recess 82.

Landscapes

  • Connections Arranged To Contact A Plurality Of Conductors (AREA)

Description

Die Erfindung betrifft eine Leiteranschlussklemme mit wenigstens einem Federkraftklemmanschluss, der wenigstens eine Klemmfeder und wenigstens eine Stromschiene aufweist, wobei ein Klemmschenkel der Klemmfeder gegenüber der Stromschiene vorgespannt ist, so dass ein elektrischer Leiter unter Federkraft zwischen dem Klemmschenkel und einer Leiteranschlussseite der Stromschiene festklemmbar ist.The invention relates to a conductor connection terminal with at least one spring-loaded terminal, which has at least one clamping spring and at least one busbar, one clamping leg of the clamping spring being pretensioned with respect to the busbar, so that an electrical conductor can be clamped under spring force between the clamping leg and a conductor connection side of the busbar.

Eine gattungsgemäße Leiteranschlussklemme ist in Form einer Verbindungsklemme aus der WO 2017/081001 A1 bekannt. Die DE 10 2010 025 930 A1 offenbart eine Anschlussklemme mit Drückerbetätigung. Die US 2015/0372401 A1 offenbart einen Federkraftanschluss sowie eine Leiteranschlussklemme mit Federkraftanschluss. Die DE 10 2013 101 830 A1 offenbart eine elektrische Anschlussklemme und ein Verfahren zu deren Montage.A generic conductor connection terminal is in the form of a connecting terminal from the WO 2017/081001 A1 known. The DE 10 2010 025 930 A1 discloses a trigger operated connector. The US 2015/0372401 A1 discloses a spring-cage connection and a conductor connection terminal with a spring-cage connection. The DE 10 2013 101 830 A1 discloses an electrical connection terminal and a method of assembling it.

Der Erfindung liegt die Aufgabe zugrunde, eine Leiteranschlussklemme, z.B. eine Verbindungsklemme, im Hinblick auf die Produktionskosten und die Baugröße weiter zu optimieren.The invention is based on the object of further optimizing a conductor connection terminal, for example a connecting terminal, with regard to the production costs and the structural size.

Diese Aufgabe wird bei einer Leiteranschlussklemme der eingangs genannten Art dadurch gelöst, dass die Stromschiene durch die Klemmfeder verformbar ist, wobei die Leiteranschlussklemme als weiteres Bauelement wenigstens ein Stützblech aufweist, durch das die Stromschiene gegenüber einer durch die Klemmfeder bewirkten Verformung der Stromschiene abgestützt ist. Durch das Hinzufügen des Stützblechs zu einer solchen Leiteranschlussklemme kann insgesamt eine kompaktere, d.h. kleiner bauende Ausführungsform bei zugleich geringen Herstellungskosten realisiert werden. Durch das Stützblech kann eine mechanisch stabile Verbindung der Stromschiene mit der Klemmfeder, bzw. bei einer Verbindungsklemme mit den Klemmfedern, bereitgestellt werden. Die Stromschiene selbst muss hierfür nicht übermäßig mechanisch stabil sein, eine erhöhte Stabilität wird durch das Stützblech bereitgestellt. Durch ein solches Stützblech können somit die für ein sicheres Festklemmen eines elektrischen Leiters erforderlichen hohen Federkräfte aufgenommen werden.This object is achieved in a conductor connection terminal of the type mentioned at the outset in that the conductor rail can be deformed by the clamping spring, the conductor connection terminal having at least one support plate as a further component by which the conductor rail is supported against a deformation of the conductor rail caused by the clamping spring. By adding the support plate to such a conductor connection terminal, a more compact, ie smaller-sized embodiment can be realized overall with low production costs at the same time. A mechanically stable connection between the busbar and the clamping spring or, in the case of a connecting clamp, with the clamping springs, can be achieved through the support plate. to be provided. The busbar itself does not have to be excessively mechanically stable for this; increased stability is provided by the support plate. The high spring forces required for secure clamping of an electrical conductor can thus be absorbed by such a support plate.

Ein weiterer Vorteil besteht darin, dass das Stützblech die Stromschiene bei zusätzlicher elektrischer Belastung sowie bei erhöhter thermischer Belastung unterstützt, z.B. im Falle eines Dauerkurzschlusses. Über das Stützblech kann zusätzlich Wärme abgeleitet werden. Zudem wird die durch die Stromschiene bereitgestellte elektrische Verbindung mittels des Stützblechs weiter verbessert. Eine Leiteranschlussklemme mit einer solchen Konstruktion kann auch mittels eines Automaten montiert werden. Die Leiteranschlussklemme kann zudem mit einem selbsttragenden Kontaktsystem bereitgestellt werden.Another advantage is that the support plate supports the busbar in the event of additional electrical loads as well as increased thermal loads, e.g. in the event of a permanent short circuit. Additional heat can be dissipated via the support plate. In addition, the electrical connection provided by the busbar is further improved by means of the support plate. A conductor connection terminal with such a construction can also be assembled by means of an automatic machine. The conductor connection terminal can also be provided with a self-supporting contact system.

Ein Stützblech im Sinne der Erfindung kann z.B. ein Bauelement sein, das flach und/oder u-förmig oder in anderer geeigneter Form ausgebildet ist und aus elektrisch leitendem oder nicht leitendem Material besteht.A support plate within the meaning of the invention can be, for example, a component that is flat and / or U-shaped or in another suitable shape and consists of electrically conductive or non-conductive material.

Gemäß einer vorteilhaften Weiterbildung der Erfindung ist vorgesehen, dass das Stützblech auf der der Leiteranschlussseite der Stromschiene abgewandten Seite der Stromschiene angeordnet ist. Auf diese Weise wirkt das Stützblech bei dem Einführen oder Entfernen eines elektrischen Leiters an einer Klemmstelle nicht störend.According to an advantageous development of the invention it is provided that the support plate is arranged on the side of the busbar facing away from the conductor connection side of the busbar. In this way, the support plate does not interfere with the insertion or removal of an electrical conductor at a clamping point.

Zwischen dem Stützblech und der Stromschiene können eines oder mehrere andere Bauteile angeordnet sein. Hierbei ist jedoch sicherzustellen, dass eine ausreichende Kraftübertragung zwischen dem Stützblech und der Stromschiene möglich ist, so dass das Stützblech seine Funktion zur Verminderung oder Verhinderung einer durch die Klemmfeder bewirkten Verformung der Stromschiene erfüllen kann. Als andere Bauteile in dem zuvor genannten Sinne eignen sich z.B. unterhalb der Stromschiene, also zwischen Stromschiene und Stützblech, angebrachte leitfähige oder nicht leitfähige Elemente. Leitfähige Elemente können dazu dienen, einen Abzweig und damit eine weitere Anschlussmöglichkeit zu bieten.One or more other components can be arranged between the support plate and the busbar. In this case, however, it must be ensured that sufficient force transmission between the support plate and the busbar is possible so that the support plate can fulfill its function of reducing or preventing a deformation of the busbar caused by the clamping spring. Other suitable components in the aforementioned sense are, for example, conductive or non-conductive elements attached below the busbar, that is to say between the busbar and the support plate. Conductive elements can be used to provide a branch and thus an additional connection option.

Gemäß einer vorteilhaften Weiterbildung der Erfindung ist vorgesehen, dass das Stützblech unmittelbar an der Stromschiene anliegt. Auf diese Weise kann das Stützblech die Stromschiene unmittelbar unterstützen, d.h. es ist eine unmittelbare Kraftübertragung zwischen der Stromschiene und dem Stützblech möglich. Zudem sind auch die Wärmeableitung über das Stützblech sowie die Unterstützung der elektrischen Eigenschaften der Stromschiene optimiert.According to an advantageous development of the invention it is provided that the support plate rests directly on the busbar. In this way, the support plate can support the busbar directly, i.e. a direct transmission of force between the busbar and the support plate is possible. In addition, the heat dissipation via the support plate and the support of the electrical properties of the busbar are optimized.

Gemäß einer vorteilhaften Weiterbildung der Erfindung ist vorgesehen, dass das Stützblech wenigstens eine im Wesentlichen parallel zur Stromschiene verlaufende Stützfläche und gegebenenfalls wenigstens einen gegenüber der Stützfläche abgewinkelten Verstärkungsabschnitt aufweist, durch den das Flächenträgheitsmoment des Stützblechs zumindest in Längsrichtung der Stromschiene erhöht ist. Auf diese Weise kann das Stützblech bei einfacher Formgebung und Herstellbarkeit eine hohe Stützwirkung bezüglich der Stromschiene ausüben. Das Flächenträgheitsmoment des Stützblechs ist durch den abgewinkelten Verstärkungsabschnitt bzw. die sich durch die Abwinklung ergebende Kante im Vergleich zu einer Ausführungsform des Stützblechs ohne eine solche Abwinklung erhöht. Vorteilhafterweise verläuft der abgewinkelte Verstärkungsabschnitt ebenfalls in Längsrichtung der Stromschiene, wobei leichte Abweichungen von der Längsrichtung der Stromschiene (schräge Anordnung) ebenfalls möglich sind. Das Stützblech kann beispielsweise an beiden Seiten der Stützfläche jeweils einen abgewinkelten Verstärkungsabschnitt aufweisen, so dass das Stützblech im Querschnitt eine U-Form aufweist. Die seitlichen abgewinkelten Verstärkungsabschnitte, z.B. in Form von Stegen (u-Form), sind nicht zwingend notwendig, machen das Stützblech aber stabiler.According to an advantageous development of the invention, it is provided that the support plate has at least one support surface running essentially parallel to the busbar and optionally at least one reinforcement section angled with respect to the support surface, through which the area moment of inertia of the support plate is increased at least in the longitudinal direction of the busbar. In this way, the support plate can exert a high supporting effect with respect to the busbar with a simple shape and manufacturability. The geometrical moment of inertia of the support plate is increased by the angled reinforcing section or the edge resulting from the angled portion compared to an embodiment of the support plate without such an angled portion. Advantageously, the angled reinforcement section also runs in the longitudinal direction of the busbar, with slight deviations from the longitudinal direction of the busbar (inclined arrangement) also being possible. The support plate can, for example, each have an angled reinforcement section on both sides of the support surface, so that the support plate has a U-shape in cross section. The lateral angled reinforcement sections, e.g. in the form of webs (u-shape), are not absolutely necessary, but make the support plate more stable.

Gemäß einer vorteilhaften Weiterbildung der Erfindung ist vorgesehen, dass das Stützblech wenigstens eine im Wesentlichen parallel zur Stromschiene verlaufende Stützfläche aufweist, die wenigstens eine Aussparung aufweist, und das Stützblech mittels wenigstens eines durch die Aussparung hindurchragenden Fixierelements an der Stromschiene fixiert ist. Dies erlaubt eine einfache und zuverlässige Fixierung des Stützblechs an der Stromschiene bei zugleich günstiger Kraftübertragung zwischen Stützblech und Stromschiene. Das Stützblech ist auf diese Weise einfach, insbesondere auch automatisiert, an der Stromschiene montierbar. Auf diese Weise kann auch zugleich die Klemmfeder an der aus der Stromschiene und dem Stützblech gebildeten Anordnung befestigt werden.According to an advantageous development of the invention, it is provided that the support plate has at least one support surface that runs essentially parallel to the busbar and has at least one recess, and the support plate is fixed to the busbar by means of at least one fixing element protruding through the recess. This allows a simple and reliable fixation of the support plate on the busbar with at the same time favorable power transmission between the support plate and the busbar. In this way, the support plate can be easily mounted on the busbar, in particular also in an automated manner. In this way the clamping spring can also be fastened to the arrangement formed from the busbar and the support plate at the same time.

Gemäß einer vorteilhaften Weiterbildung der Erfindung ist vorgesehen, dass das Stützblech durch das hindurchragende Fixierelement mittels einer formschlüssigen Verbindung an der Stromschiene fixiert ist. Dies erlaubt eine besonders zuverlässige Fixierung des Stützblechs an der Stromschiene, die eine hohe Kraftübertragung zwischen der Stromschiene und dem Stützblech erlaubt.According to an advantageous further development of the invention, it is provided that the support plate is fixed on the busbar by means of the fixing element protruding through it by means of a form-fitting connection. This allows a particularly reliable fixation of the support plate on the busbar, which allows a high power transmission between the busbar and the support plate.

Das hindurchragende Fixierelement kann zusätzlich durch eine Öffnung in der Stromschiene hindurchragen. Das hindurchragende Fixierelement kann auch als von der Stromschiene abragendes Fixierelement ausgebildet sein.The fixing element protruding through can additionally protrude through an opening in the busbar. The fixing element protruding through can also be designed as a fixing element protruding from the busbar.

Gemäß einer vorteilhaften Weiterbildung der Erfindung ist vorgesehen, dass das hindurchragende Fixierelement einstückiger Bestandteil der Klemmfeder ist, insbesondere Bestandteil eines verlängerten Endabschnitts eines Anlageschenkels der Klemmfeder. Dies erlaubt eine einfache und zuverlässige Fixierung des Stützblechs an der Stromschiene bei zugleich günstiger Kraftübertragung auf die Stromschiene. Das Stützblech ist auf diese Weise einfach, insbesondere auch automatisiert, an der Stromschiene montierbar. Zudem muss kein gesondertes Bauteil zur Bereitstellung des Fixierelements eingesetzt werden. Stattdessen kann die Klemmfeder hierzu mitverwendet werden, was zudem die Montage der Leiteranschlussklemme vereinfacht.According to an advantageous development of the invention, it is provided that the fixing element protruding through is an integral part of the clamping spring, in particular a part of an extended end section of a contact leg of the clamping spring. This allows a simple and reliable fixation of the support plate on the busbar with at the same time favorable power transmission to the busbar. In this way, the support plate can be mounted on the busbar in a simple manner, in particular also in an automated manner. In addition, no separate component has to be used to provide the fixing element. Instead, the clamping spring can also be used for this purpose, which also simplifies the assembly of the conductor connection terminal.

Gemäß einer vorteilhaften Weiterbildung der Erfindung ist vorgesehen, dass das hindurchragende Fixierelement zumindest in seinem durch die Aussparung hindurchragenden Bereich im Querschnitt eine Pilzkopfform aufweist. Dies erlaubt eine besonders zuverlässige formschlüssige Fixierung des Stützblechs an der Stromschiene bei zugleich einfacher Montierbarkeit der Anordnung. Das hindurchragende Fixierelement bildet durch seine Pilzkopfform einen Pilzkopfzapfen, mit dem eine Pilzkopfverriegelung an dem Stützblech realisiert werden kann. Das hindurchragende Fixierelement kann im Bereich seiner Pilzkopfform z.B. als flaches Blechteil ausgebildet sein. Die Pilzkopfform kann definiert sein durch eine Schmalstelle im Endbereich des Fixierelements (Mae West Form), Ausnehmungen oder andere geeignete Formgebungen zur Realisierung einer formschlüssigen Verbindung.According to an advantageous development of the invention it is provided that the protruding fixing element has a mushroom shape in cross section at least in its region protruding through the recess. This allows a particularly reliable form-fitting fixation of the support plate on the busbar while at the same time the arrangement is easy to assemble. Due to its mushroom shape, the protruding fixing element forms a mushroom plug with which a mushroom lock can be implemented on the support plate. The protruding fixing element can be designed, for example, as a flat sheet metal part in the area of its mushroom shape. The mushroom shape can be defined by a narrow point in the end area of the fixing element (size West shape), recesses or other suitable shapes for realizing a form-fitting connection.

Gemäß einer vorteilhaften Weiterbildung der Erfindung ist vorgesehen, dass das Stützblech durch eine Linearbewegung und/oder eine Drehbewegung mittels des Fixierelements an der Stromschiene fixierbar ist. Das Stützblech kann beispielsweise auch durch eine Kombination von Linearbewegung und Drehbewegung mittels des Fixierelements an der Stromschiene fixiert werden. Solche Bewegungsvorgänge sind sowohl von einem Menschen als auch von einer automatisierten Fertigungseinrichtung einfach und schnell ausführbar.According to an advantageous development of the invention, it is provided that the support plate can be fixed on the busbar by means of a linear movement and / or a rotary movement by means of the fixing element. The support plate can, for example, also be fixed on the busbar by a combination of linear movement and rotary movement by means of the fixing element. Such movement processes can be carried out simply and quickly both by a person and by an automated production facility.

Gemäß einer vorteilhaften Weiterbildung der Erfindung ist vorgesehen, dass die Leiteranschlussklemme als Verbindungsklemme zum Verbinden wenigstens zweier elektrischer Leiter miteinander ausgebildet ist, mit folgenden Merkmalen:

  1. a) die Verbindungsklemme weist ein Isolierstoffgehäuse mit wenigstens einer ersten und einer zweiten Leitereinführungsöffnung auf,
  2. b) die erste und die zweite Leitereinführungsöffnung sind an einander gegenüberliegenden Gehäuseseiten des Isolierstoffgehäuses angeordnet,
  3. c) in dem Isolierstoffgehäuse sind ein erster Federkraftklemmanschluss zur elektrischen Kontaktierung eines durch die erste Leitereinführungsöffnung eingeführten ersten elektrischen Leiters und einen zweiter Federkraftklemmanschluss zur elektrischen Kontaktierung eines durch die zweite Leitereinführungsöffnung eingeführten zweiten elektrischen Leiters angeordnet,
  4. d) der erste Federkraftklemmanschluss ist mit dem zweiten Federkraftklemmenanschluss über dieselbe durchgehende Stromschiene elektrisch verbunden.
According to an advantageous development of the invention it is provided that the conductor connection terminal is designed as a connecting terminal for connecting at least two electrical conductors to one another, with the following features:
  1. a) the connecting terminal has an insulating material housing with at least a first and a second conductor entry opening,
  2. b) the first and the second conductor entry opening are arranged on opposite housing sides of the insulating material housing,
  3. c) a first spring-loaded terminal connection for electrical contacting of a first electrical conductor introduced through the first conductor entry opening and a second spring-loaded terminal connection for electrical contacting of a second electrical conductor introduced through the second conductor entry opening are arranged in the insulating material housing,
  4. d) the first spring-loaded terminal connection is electrically connected to the second spring-loaded terminal connection via the same continuous busbar.

Auf diese Weise lassen sich die zuvor erläuterten Vorteile auch bei einer Verbindungsklemme realisieren. Gerade bei Verbindungsklemme ist ein wesentlicher Vorteil in einer besonders kleinbauenden Anordnung und einer kostengünstigen Herstellungsweise zu sehen.In this way, the advantages explained above can also be achieved with a connecting terminal. Particularly in the case of connecting clamps, a significant advantage can be seen in a particularly compact arrangement and a cost-effective manufacturing method.

Bei der Verbindungsklemme kann somit der erste Federkraftklemmanschluss wie der eingangs erwähnte Federkraftklemmanschluss der Leiteranschlussklemme ausgebildet sein, zudem kann der zweite Federkraftklemmanschluss wie der eingangs erwähnte Federkraftklemmanschluss der Leiteranschlussklemme ausgebildet sein. Die eingangs erwähnte Stromschiene der Leiteranschlussklemme ist bei der Verbindungsklemme dann eine einzige durchgehende Stromschiene, die somit die beiden Federkraftklemmanschlüsse miteinander elektrisch und in gewissem Umfang auch mechanisch verbindet.In the case of the connecting terminal, the first spring-force terminal connection can thus be designed like the spring-force terminal connection of the conductor connection terminal mentioned at the outset In addition, the second spring-loaded terminal connection can be designed like the initially-mentioned spring-loaded terminal connection of the conductor connection terminal. The initially mentioned busbar of the conductor connection terminal is then a single continuous busbar in the connection terminal, which thus connects the two spring-loaded terminal connections to one another electrically and to a certain extent also mechanically.

Hierzu kann der erste Federkraftklemmanschluss eine erste Klemmfeder aufweisen, die einen Klemmschenkel zum Klemmen des ersten elektrischen Leiters gegen eine erste Klemmstelle der Stromschiene und einen Anlageschenkel zum Abstützen der Klemmfeder aufweist. Der zweite Federkraftklemmanschluss kann eine zweite Klemmfeder aufweisen, die einen Klemmschenkel zum Klemmen des zweiten elektrischen Leiters gegen eine zweite Klemmstelle der Stromschiene und einen Anlageschenkel zum Abstützen der zweiten Klemmfeder aufweist.For this purpose, the first spring-loaded terminal connection can have a first clamping spring, which has a clamping leg for clamping the first electrical conductor against a first clamping point of the busbar and a contact leg for supporting the clamping spring. The second spring-loaded clamping connection can have a second clamping spring, which has a clamping leg for clamping the second electrical conductor against a second clamping point of the busbar and a contact leg for supporting the second clamping spring.

Gemäß einer vorteilhaften Weiterbildung der Erfindung ist vorgesehen, dass die Stromschiene wenigstens eine Durchgangsöffnung aufweist, die zwischen der ersten und der zweiten Klemmstelle angeordnet ist, wobei ein verlängerter Endabschnitt des Anlageschenkels der ersten und/oder der zweiten Klemmfeder durch die Durchgangsöffnung der Stromschiene geführt ist und als Fixierelement an dem Stützblech befestigt ist. Die Durchgangsöffnung der Stromschiene kann insbesondere zumindest im Wesentlichen fluchtend mit der Aussparung des Stützblechs angeordnet sein, so dass ein und dasselbe Fixierelement durch die Durchgangsöffnung der Stromschiene und die Aussparung des Stützblechs geführt sein kann. Im Fall einer Verbindungsklemme kann sowohl die erste als auch die zweite Klemmfeder ein Fixierelement als einstückigen Bestandteil der jeweiligen Klemmfeder aufweisen, insbesondere in Form eines verlängerten Endabschnitts eines Anlageschenkels der Klemmfeder.According to an advantageous development of the invention it is provided that the busbar has at least one through opening which is arranged between the first and the second clamping point, an extended end section of the contact leg of the first and / or the second clamping spring being guided through the through opening of the busbar and is attached as a fixing element to the support plate. The through opening of the busbar can in particular be arranged at least essentially in alignment with the recess of the support plate, so that one and the same fixing element can be guided through the through opening of the busbar and the recess of the support plate. In the case of a connecting clamp, both the first and the second clamping spring can have a fixing element as an integral part of the respective clamping spring, in particular in the form of an extended end section of a contact leg of the clamping spring.

Gemäß einer vorteilhaften Weiterbildung der Erfindung ist vorgesehen, dass sich das Stützblech entlang der Stromschiene von dem ersten Federkraftklemmanschluss zu dem zweiten Federkraftklemmenanschluss erstreckt. Auf diese Weise kann das Stützblech, vergleichbar wie die Stromschiene, als durchgehendes Bauteil ausgebildet sein, das seine Stützwirkung sowohl im Bereich des ersten als auch im Bereich des zweiten Federkraftklemmanschlusses ausübt.According to an advantageous development of the invention, it is provided that the support plate extends along the busbar from the first spring-loaded terminal connection to the second spring-loaded terminal connection. In this way, the support plate, comparable to the busbar, can be designed as a continuous component be that exerts its supporting effect both in the area of the first and in the area of the second spring-loaded terminal connection.

Gemäß einer vorteilhaften Weiterbildung der Erfindung ist vorgesehen, dass die erste und/oder die zweite Klemmfeder schlaufenförmig ausgebildet ist, wobei der jeweilige Anlageschenkel in einem verlängerten Endabschnitt der jeweiligen Klemmfeder in Richtung zur Stromschiene abgebogen ist. Auf diese Weise kann die Klemmfeder in günstiger Weise einstückig mit dem Fixierelement zur Fixierung des Stützblechs an der Stromschiene ausgebildet sein.According to an advantageous development of the invention it is provided that the first and / or the second clamping spring is designed in the form of a loop, the respective contact leg being bent in an extended end section of the respective clamping spring in the direction of the busbar. In this way, the clamping spring can advantageously be formed in one piece with the fixing element for fixing the support plate on the busbar.

Gemäß einer vorteilhaften Weiterbildung der Erfindung ist vorgesehen, dass die erste Klemmfeder die zweite Klemmfeder im Bereich ihrer jeweiligen Anlageschenkel berührt. Dies hat den Vorteil, dass sich die erste und die zweite Klemmfeder gegenseitig abstützen können, d.h. die eine Klemmfeder kann Druckkräfte der anderen Klemmfeder absorbieren. Auch hierdurch kann eine Materialeinsparung und ein kompaktes Design der Verbindungsklemme realisiert werden. Zudem wird die Belastung des Isolierstoffgehäuses durch Federkräfte minimiert, so dass das Isolierstoffgehäuse ebenfalls vereinfacht werden kann.According to an advantageous development of the invention it is provided that the first clamping spring touches the second clamping spring in the area of their respective contact legs. This has the advantage that the first and the second clamping spring can support each other, i.e. one clamping spring can absorb pressure forces from the other clamping spring. This also enables material savings and a compact design of the connecting terminal to be achieved. In addition, the load on the insulating material housing is minimized by spring forces, so that the insulating material housing can also be simplified.

Die Erfindung wird nachfolgend anhand von Ausführungsbeispielen unter Verwendung von Zeichnungen näher erläutert. Es zeigen:

Figur 1
- eine Leiteranschlussklemme in seitlicher Schnittdarstellung und
Figuren 2, 3
- den Kontakteinsatz der Leiteranschlussklemme gemäß Figur 1 in unterschiedlichen perspektivischen Ansichten und
Figuren 4, 5
- Betätigungshebel in perspektivischen Ansichten und
Figur 6
- eine weitere Ausführungsform einer Leiteranschlussklemme in seitlicher Schnittansicht.
The invention is explained in more detail below on the basis of exemplary embodiments using drawings. Show it:
Figure 1
- a conductor connection terminal in a lateral sectional view and
Figures 2, 3
- the contact insert of the conductor connection terminal according to Figure 1 in different perspective views and
Figures 4, 5
- Operating lever in perspective views and
Figure 6
- Another embodiment of a conductor connection terminal in a side sectional view.

In den Figuren werden gleiche Bezugszeichen für einander entsprechende Elemente verwendet, die folgende Zuordnung haben:

1
- erster Federkraftklemmanschluss
2
- zweiter Federkraftklemmanschluss
3
- Stromschiene
4
- Gehäuseoberteil
5
- Bodenteil
6
- Betätigungshebel
8
- Stützblech
9
- Leiteranschlussklemme
10
- erste Leitereinführungsöffnung
11
- erste Klemmfeder
12
- Klemmschenkel
13
- Beaufschlagungsbereich
14
- Federbogen
15
- Anlageschenkel
16
- Endabschnitt
17
- Vertikalbereich
18
- Endstück des Endabschnitts
19
- Betätigungshebel
20
- zweite Leitereinführungsöffnung
21
- zweite Klemmfeder
22
- Klemmschenkel
23
- Beaufschlagungsbereich
24
- Federbogen
25
- Anlageschenkel
26
- Endabschnitt
27
- Vertikalbereich
28
- Endstück des Endabschnitts
29
- Betätigungshebel
30
- Durchgangsöffnung
31
- erste Klemmstelle
32
- zweite Klemmstelle
39
- Leiteranschlussseite der Stromschiene
41
- innerer Wandbereich
42
- innerer Wandbereich
50
- Rastelemente
60
- manueller Betätigungsbereich
61
- Lagerungsachse
62
- Betätigungsbereiche des Betätigungshebels
63, 64
- Lagerbereiche
65
- ausgesparter Bereich
71, 72
- Endstücke
73, 74
- herausgestellte Materialbereiche
80
- Stützfläche
81
- Verstärkungsabschnitt
82
- Aussparung
In the figures, the same reference symbols are used for elements that correspond to one another and have the following assignment:
1
- first spring clamp connection
2
- second spring clamp connection
3
- busbar
4th
- Upper part of the housing
5
- bottom part
6th
- operating lever
8th
- support plate
9
- Conductor connection terminal
10
- first conductor entry opening
11
- first clamp spring
12th
- clamp legs
13th
- loading area
14th
- feather bow
15th
- contact legs
16
- End section
17th
- vertical area
18th
- End piece of the end section
19th
- operating lever
20th
- second conductor entry opening
21
- second clamping spring
22nd
- clamp legs
23
- loading area
24
- feather bow
25th
- contact legs
26th
- End section
27
- vertical area
28
- End piece of the end section
29
- operating lever
30th
- Through opening
31
- first clamping point
32
- second clamping point
39
- Conductor connection side of the busbar
41
- inner wall area
42
- inner wall area
50
- locking elements
60
- manual operating range
61
- bearing axis
62
- Operating ranges of the operating lever
63, 64
- storage areas
65
- recessed area
71, 72
- end pieces
73, 74
- exposed material areas
80
- support surface
81
- Reinforcement section
82
- recess

Die in Figur 1 dargestellte Leiteranschlussklemme 9 ist als Verbindungsklemme ausgebildet. Sie ist bezüglich einer vertikalen Symmetrieachse im Wesentlichen symmetrisch aufgebaut und weist jeweils links und rechts von der vertikalen Symmetrieachse einen ersten Federkraftklemmanschluss 1 und einen zweiten Federkraftklemmanschluss 2 auf. Die erste und der zweite Federkraftklemmanschluss 1, 2 sind in einem Isolierstoffgehäuse 4, 5 der Leiteranschlussklemme 9 angeordnet. Das Isolierstoffgehäuse 4, 5 kann z.B. wenigstens zweiteilig ausgebildet sein, z.B. aus einem Gehäuseoberteil 4 und einem durch Rastelemente 50 mit dem Gehäuseoberteil 4 verbindbaren Bodenteil 5. Die Leiteranschlussklemme 9 kann auch derart ausgebildet sein, dass auf einer Seite ein Federkraftklemmanschluss und auf der anderen Seite ein anderer elektrisch leitender Anschluss vorhanden ist, z.B. ein Schraubanschluss. Die Stützblechfunktion bleibt erhalten.In the Figure 1 The conductor connection terminal 9 shown is designed as a connecting terminal. It is constructed essentially symmetrically with respect to a vertical axis of symmetry and has a first spring-force terminal connection 1 and a second spring-force terminal connection 2 to the left and right of the vertical axis of symmetry. The first and second spring-loaded terminal connections 1, 2 are arranged in an insulating material housing 4, 5 of the conductor connection terminal 9. The insulating housing 4, 5 can, for example, be designed in at least two parts, e.g. from an upper housing part 4 and a base part 5 that can be connected to the upper housing part 4 by means of locking elements 50 another electrically conductive connection is available, for example a screw connection. The support plate function is retained.

Der erste Federkraftklemmanschluss 1 weist eine schlaufenförmig mehrfach abgewinkelte erste Klemmfeder 11 auf. Die erste Klemmfeder 11 weist an einem Ende einen Klemmschenkel 12 auf, der zum Klemmen eines durch eine erste Leitereinführungsöffnung 10 eingeführten elektrischen Leiters gegen eine erste Klemmstelle 31 einer Stromschiene 3 dient. Der elektrische Leiter ist auf diese Weise an einer Leiteranschlussseite 39 der Stromschiene 3 festklemmbar. Im Bereich des Klemmschenkels 12 ist ein Beaufschlagungsbereich 13 der ersten Klemmfeder 11 vorhanden, an dem der Klemmschenkel 12 zum Öffnen und Schließen des ersten Federkraftklemmanschlusses 1 über einen Betätigungshebel 19 betätigt werden kann.The first spring-loaded terminal connection 1 has a first clamping spring 11 which is angled several times in a loop. The first clamping spring 11 has at one end a clamping leg 12 which is used to clamp an electrical conductor introduced through a first conductor insertion opening 10 against a first clamping point 31 of a busbar 3. In this way, the electrical conductor can be clamped to a conductor connection side 39 of the busbar 3. In the area of the clamping leg 12, there is a loading area 13 of the first clamping spring 11, on which the clamping leg 12 can be actuated via an actuating lever 19 to open and close the first spring-loaded terminal connection 1.

An den Klemmschenkel 12 der ersten Klemmfeder 11 schließt sich ein Federbogen 14 an, an den sich dann ein Anlageschenkel 15 der ersten Klemmfeder 11 anschließt. Die erste Klemmfeder 11 erstreckt sich im Bereich des Anlageschenkels 15 weiter in einen verlängerten Endabschnitt 16, in dem das Material der ersten Klemmfeder 11 schließlich in einem Vertikalbereich 17 in Richtung zur Stromschiene 3 abgebogen ist. Der Endabschnitt 16 des Anlageschenkels 15 erstreckt sich über den Vertikalbereich 17 hinaus weiter nach unten durch eine Durchgangsöffnung 30 der Stromschiene 3 bis hin zu dem Endstück 71 der ersten Klemmfeder 11.A spring bow 14 adjoins the clamping leg 12 of the first clamping spring 11, which is then followed by a contact leg 15 of the first clamping spring 11. The first clamping spring 11 extends in the area of the contact leg 15 further into an elongated end section 16 in which the material of the first clamping spring 11 is finally bent in a vertical area 17 in the direction of the busbar 3. The end section 16 of the contact leg 15 extends beyond the vertical region 17 further down through a through opening 30 in the busbar 3 as far as the end piece 71 of the first clamping spring 11.

Unterhalb der Stromschiene 3, d.h. auf der der Leiteranschlussseite 39 abgewandten Seite der Stromschiene 3, befindet sich das Stützblech 8. Das Stützblech 8 liegt mit seiner Stützfläche 80 an der Stromschiene 3 an. Wie man erkennt, erstreckt sich das Stützblech 8 im Wesentlichen von der ersten Klemmstelle 31 zur zweiten Klemmstelle 32. Der Endabschnitt 16 erstreckt sich durch die Aussparung 82 in der Stützfläche 80, so dass das Endstück 71 unterhalb der Stützfläche 80 endet.The support plate 8 is located below the conductor rail 3, i.e. on the side of the conductor rail 3 facing away from the conductor connection side 39. The support plate 8 rests with its support surface 80 on the conductor rail 3. As can be seen, the support plate 8 extends essentially from the first clamping point 31 to the second clamping point 32. The end section 16 extends through the recess 82 in the support surface 80, so that the end piece 71 ends below the support surface 80.

Die zweite Klemmfeder 21 kann beispielsweise ebenso geformt sein wie die erste Klemmfeder 11. Hierfür ist vorgesehen, dass der zweite Federkraftklemmanschluss 2 eine schlaufenförmig mehrfach abgewinkelte zweite Klemmfeder 21 auf weist. Die zweite Klemmfeder 21 weist an einem Ende einen Klemmschenkel 22 auf, der zum Klemmen eines durch eine zweite Leitereinführungsöffnung 20 eingeführten elektrischen Leiters gegen eine zweite Klemmstelle 32 der Stromschiene 3 dient. Auch hier ist der elektrische Leiter an der Leiteranschlussseite 39 der Stromschiene 3 festklemmbar. Im Bereich des Klemmschenkels 22 ist ein Beaufschlagungsbereich 23 der zweiten Klemmfeder 21 vorhanden, an dem der Klemmschenkel 22 zum Öffnen und Schließen des zweiten Federkraftklemmanschlusses 2 über einen Betätigungshebel 29 betätigt werden kann.The second clamping spring 21 can, for example, be shaped in the same way as the first clamping spring 11. For this purpose, it is provided that the second spring-force clamping connection 2 has a second clamping spring 21 which is angled several times in a loop. The second clamping spring 21 has at one end a clamping leg 22 which is used to clamp an electrical conductor introduced through a second conductor insertion opening 20 against a second clamping point 32 of the busbar 3. Here, too, the electrical conductor can be clamped to the conductor connection side 39 of the busbar 3. In the area of the clamping leg 22 there is a loading area 23 of the second clamping spring 21, on which the clamping leg 22 can be actuated for opening and closing the second spring-force terminal connection 2 via an actuating lever 29.

An den Klemmschenkel 22 der zweiten Klemmfeder 21 schließt sich ein Federbogen 24 an, an den sich dann ein Anlageschenkel 25 der zweiten Klemmfeder 21 anschließt. Der Anlageschenkel 25 liegt an einem inneren Wandbereich 42 des Isolierstoffgehäuses 4, 5 an und wird daran zumindest zum Teil gegenüber den vom Klemmschenkel 22 aufgenommenen Kräften abgestützt. Die zweite Klemmfeder 21 erstreckt sich im Bereich des Anlageschenkels 25 weiter in einen verlängerten Endabschnitt 26, in dem das Material der zweiten Klemmfeder 21 schließlich in einem Vertikalbereich 27 in Richtung zur Stromschiene 3 abgebogen ist. Der Endabschnitt 26 des Anlageschenkels 25 erstreckt sich über den Vertikalbereich 27 hinaus weiter nach unten durch die Durchgangsöffnung 30 der Stromschiene 3 und die Aussparung 82 in der Stützfläche 80 bis hin zu dem Endstück 72 der ersten Klemmfeder 21, so dass das Endstück 72 unterhalb der Stützfläche 80 endet.A spring bow 24 adjoins the clamping leg 22 of the second clamping spring 21, which is then followed by a contact leg 25 of the second clamping spring 21. The contact leg 25 rests against an inner wall area 42 of the insulating material housing 4, 5 and is supported thereon at least in part against the forces absorbed by the clamping leg 22. The second clamping spring 21 extends in the area of the contact leg 25 further into an elongated end section 26 in which the material of the second clamping spring 21 is finally bent in a vertical area 27 in the direction of the busbar 3. The end section 26 of the contact leg 25 extends beyond the vertical area 27 further down through the through opening 30 of the busbar 3 and the recess 82 in the support surface 80 to the end piece 72 of the first clamping spring 21, so that the end piece 72 is below the support surface 80 ends.

Die Figur 1 zeigt dabei den ersten Federkraftklemmanschluss 1 und den zweiten Federkraftklemmanschluss 2 im geschlossenen Zustand dargestellt, d.h. der erste und der zweite Betätigungshebel 19, 29 ist in der geschlossenen Stellung. In diesem Zustand berührt der Klemmschenkel 12 der ersten Klemmfeder 11 endseitig die erste Klemmstelle 31 der Stromschiene 3, und der Klemmschenkel 22 der zweiten Klemmfeder 21 berührt endseitig die zweite Klemmstelle 32 der Stromschiene 3.The Figure 1 shows the first spring-force terminal connection 1 and the second spring-force terminal connection 2 in the closed state, ie the first and second actuating levers 19, 29 are in the closed position. In this state, the end of the clamping leg 12 of the first clamping spring 11 touches the first clamping point 31 of the busbar 3, and the end of the clamping leg 22 of the second clamping spring 21 touches the second clamping point 32 of the busbar 3.

Wie in der Figur 1 erkennbar ist, ist es bei dieser Ausführungsform nicht erforderlich, dass die Anlageschenkel 15, 25 an Wandbereichen des Isolierstoffgehäuses 4, 5 anliegen oder sich daran abstützen. Stattdessen kann eine freitragende Konstruktion der Klemmfedern 11, 21 realisiert werden.Like in the Figure 1 As can be seen, in this embodiment it is not necessary for the contact legs 15, 25 to rest against wall areas of the insulating material housing 4, 5 or to be supported thereon. Instead, a self-supporting construction of the clamping springs 11, 21 can be realized.

Erkennbar ist ferner, dass die Stromschiene 3 im Bereich ihrer ersten und zweiten Klemmstellen 31, 32 Einprägungen aufweist, durch die das Material der Stromschiene 3 nach oben hin, d.h. in Richtung zum jeweiligen Klemmschenkel 12, 22, etwas herausgestellt ist. Hierdurch wird die Klemmung eines angeschlossenen elektrischen Leiters verbessert.It can also be seen that the busbar 3 has impressions in the area of its first and second clamping points 31, 32, through which the material of the busbar 3 is slightly protruded upwards, i.e. in the direction of the respective clamping legs 12, 22. This improves the clamping of a connected electrical conductor.

Die Stromschiene 3 ist einstückig als flachbauendes kurzes Stromschienenstück ausgebildet. Durch das Stützblech 8 wird die Stromschiene 3 in diesem Bereich mechanisch stabilisiert und zudem hinsichtlich der elektrischen Leitung und der Wärmeabfuhr optimiert.The busbar 3 is designed in one piece as a flat short busbar piece. The busbar 3 is mechanically stabilized in this area by the support plate 8 and also optimized with regard to electrical conduction and heat dissipation.

Die beschriebene Verbindungsklemme kann auch Doppelverbindungsklemme oder Mehrfachverbindungsklemme ausgebildet sein. Bei Ausführung als Doppelverbindungsklemme sind an jeder Leitereinführseite zwei nebeneinander angeordnete Klemmstellen vorhanden, dementsprechend ist auch die Anordnung der ersten Klemmfeder einerseits und der zweiten Klemmfeder andererseits doppelt vorhanden. Dies ist in den Darstellungen der Figuren 2 und 3 erkennbar. Wie man erkennt, sind jeweils zwei nebeneinander angeordnete Klemmfedern 11 bzw. 21 über einen gemeinsamen, in der Breite durchgehenden Vertikalbereich 17 bzw. 27 miteinander verbunden und darüber an der Stromschiene 3 befestigt. Jeder Vertikalbereich 17, 27 weist, z. B. an zentraler Stelle, das genannte, durch die Durchgangsöffnung 30 der Stromschiene 3 und die Aussparung 82 des Stützblechs 8 hindurchgesteckte Endstück 71 bzw. 72 auf. Die nebeneinander angeordneten Klemmfedern 11 bzw. 21 sind unabhängig voneinander betätigbar, d. h. sie sind in den übrigen Bereichen, jenseits der gemeinsamen Vertikalbereiche 17 bzw. 27, nicht miteinander verbunden.The connecting clamp described can also be designed as a double connecting clamp or multiple connecting clamp. When designed as a double connection terminal, there are two juxtaposed clamping points on each conductor insertion side; accordingly, the arrangement of the first clamping spring on the one hand and the second clamping spring on the other hand is also present twice. This is in the representations of the Figures 2 and 3 recognizable. As can be seen, two clamping springs 11 and 21 arranged next to one another are connected to one another via a common vertical area 17 and 27 that is continuous in width and are fastened to the busbar 3 via this. Each vertical area 17, 27 has, for. B. at a central point, said end piece 71 or 72 inserted through the through opening 30 of the busbar 3 and the recess 82 of the support plate 8. The clamping springs 11 and 21 arranged next to one another can be actuated independently of one another, ie they are not connected to one another in the other areas beyond the common vertical regions 17 and 27, respectively.

Wie man in der Figur 3 erkennt, sind die Endstücke 71, 72 in Pilzkopfform ausgebildet. Auf diese Weise bilden die jeweiligen Endstücke 71, 72 zugleich Fixierelemente zur formschlüssigen Verbindung des Stützblechs 8 mit der Stromschiene. Hierdurch sind zudem die Klemmfedern 11, 21 an der Anordnung aus der Stromschiene 3 und dem Stützblech 8 fixiert.How to get in the Figure 3 recognizes, the end pieces 71, 72 are formed in the shape of a mushroom. In this way, the respective end pieces 71, 72 simultaneously form fixing elements for the form-fitting connection of the support plate 8 to the busbar. As a result, the clamping springs 11, 21 are also fixed to the arrangement made up of the busbar 3 and the support plate 8.

Wenn die Verbindungsklemme als Mehrfachverbindungsklemme ausgebildet ist, sind mehr als zwei nebeneinander angeordnete Klemmstellen an jeder Leitereinführseite vorhanden, z. B. 3, 4, 5 oder mehr. Hierbei kann jeweils für Gruppen von Klemmfedern oder für sämtliche Klemmfedern zu deren Fixierung an der Stromschiene eine gemeinsame Durchgangsöffnung in der Stromschiene 3 und dem Stützblech 8 vorhanden sein.If the connecting terminal is designed as a multiple connecting terminal, there are more than two juxtaposed clamping points on each conductor insertion side, e.g. B. 3, 4, 5 or more. In this case, a common through opening can be present in the busbar 3 and the support plate 8 for groups of clamping springs or for all clamping springs for fixing them to the busbar.

Die Montage der Leiteranschlussklemme 9 kann z.B. wie folgt durchgeführt werden:

  • Zunächst werden die Klemmfedern 11, 21 in der in den Figuren 2 und 3 erkennbaren Anordnung zueinander ausgerichtet, d.h. derart, dass die Klemmfedern 11, 21 über ihre Vertikalbereiche 17, 27 sozusagen Rücken an Rücken aneinander anliegen.
  • Dann kann die Stromschiene 3 mit ihrer Durchgangsöffnung 30 sowie das Stützblech 8 mit seiner Aussparung 82 über die Endstücke 71, 72 geführt werden. Hierbei können die Klemmfedern 11, 21 mit Dornen ausgelenkt werden.
  • Dies erfolgt beispielsweise derart, dass die Stromschiene und das Stützblech zunächst in einer um 90 Grad gedrehten Lage über die Endstücke 71, 72 geführt werden und dann um 90 Grad in die in Figur 3 erkennbare Lage gedreht werden, so dass eine Verriegelung der Klemmfedern 11, 21 über die Pilzkopf-förmigen Endstücke 71, 72 mit der Stromschiene 3 und dem Stützblech 8 erfolgen kann. Hierfür ist es vorteilhaft, wenn die Durchgangsöffnung 30 und die Aussparung 82 schmal und schlitzfömig ausgebildet sind. Alternativ kann die Durchgangsöffnung 30 sowie die Aussparung 82 in Draufsicht eine T-Form aufweisen, d.h. eine Aussparung mit einem breiten und einem sich daran anschließenden schmalen Bereich. In diesem Fall können die Stromschiene 3 und das Stützblech 8 ohne Drehbewegung über die Endstücke 71, 72 geführt werden, indem die Endstücke 71, 72 zunächst über den breiten Bereich der Aussparung geführt werden und dann durch eine Verschiebebewegung die Stromschiene 3 und das Stützblech 8 derart verschoben werden, dass die Endstücke 71,72 dann in dem schmaleren Bereich der Aussparung angeordnet sind.
  • Die Betätigungshebel 19, 29 können in einer Lage, die der geschlossenen Stellung entspricht, über die Anlageschenkel 15, 25 bis auf die Stromschiene 3 bewegt werden;
  • Die Klemmfedern 11, 21 werden durch Schwenken der Betätigungshebel 19, 29 in (vollständige) Offenstellung bewegt;
  • Ggf. genutzte Dorne werden zurückgezogen;
  • Die nun vormontierte Einheit mit Stromschiene 3, Klemmfedern 11, 21 und Betätigungshebeln 19, 29 (in Offenstellung) wird auf das auf Bodenteil 5 gesetzt;
  • Das Gehäuseoberteil 4 wird übergestülpt;
  • Die Betätigungshebel 19, 29 werden in die geschlossene Stellung geschwenkt.
The assembly of the conductor connection terminal 9 can, for example, be carried out as follows:
  • First, the clamping springs 11, 21 in the in the Figures 2 and 3 recognizable arrangement aligned to one another, ie such that the clamping springs 11, 21 over their vertical regions 17, 27 so to speak back to back against one another issue.
  • The busbar 3 with its through-opening 30 and the support plate 8 with its recess 82 can then be guided over the end pieces 71, 72. Here, the clamping springs 11, 21 can be deflected with thorns.
  • This takes place, for example, in such a way that the busbar and the support plate are first guided over the end pieces 71, 72 in a position rotated by 90 degrees and then by 90 degrees into the in Figure 3 recognizable position are rotated so that locking of the clamping springs 11, 21 via the mushroom-shaped end pieces 71, 72 with the busbar 3 and the support plate 8 can take place. For this purpose, it is advantageous if the through opening 30 and the recess 82 are designed to be narrow and slit-shaped. Alternatively, the through opening 30 and the recess 82 can have a T-shape in plan view, that is to say a recess with a wide and an adjoining narrow area. In this case, the busbar 3 and the support plate 8 can be guided over the end pieces 71, 72 without rotating movement, in that the end pieces 71, 72 are first guided over the wide area of the recess and then the busbar 3 and the support plate 8 in this way by a sliding movement are moved so that the end pieces 71,72 are then arranged in the narrower region of the recess.
  • The actuating levers 19, 29 can be moved in a position which corresponds to the closed position via the contact legs 15, 25 up to the busbar 3;
  • The clamping springs 11, 21 are moved into the (fully) open position by pivoting the actuating levers 19, 29;
  • Any spikes used will be withdrawn;
  • The now pre-assembled unit with busbar 3, clamping springs 11, 21 and actuating levers 19, 29 (in the open position) is placed on the base part 5;
  • The upper housing part 4 is slipped over;
  • The operating levers 19, 29 are pivoted into the closed position.

Die erste Klemmfeder 11 ist dabei im Vertikalbereich 17 an dem Vertikalbereich 27 der zweiten Klemmfeder 21 abgestützt, d.h., die Klemmfedern 11, 21 stützen sich im Bereich ihrer Vertikalabschnitte 17, 27 gegenseitig ab. Der Vertikalbereich 17 bildet zudem einen Leiteranschlag beim Einführen des ersten Leiters in das Isolierstoffgehäuse. Der Vertikalbereich 27 bildet zudem einen Leiteranschlag beim Einführen des zweiten Leiters in das Isolierstoffgehäuse.The first clamping spring 11 is supported in the vertical area 17 on the vertical area 27 of the second clamping spring 21, ie the clamping springs 11, 21 support one another in the area of their vertical sections 17, 27. The vertical area 17 forms in addition, a conductor stop when inserting the first conductor into the insulating housing. The vertical area 27 also forms a conductor stop when the second conductor is inserted into the insulating material housing.

Die Leiteranschlussklemme 9 kann als einfache Leiteranschlussklemme ausgebildet sein, bei der jeweils eine Leitereinführungsöffnung 10, 20 auf jeder Seite vorhanden ist. Sie kann auch als Zweifach- oder Mehrfachklemme ausgebildet sein. In diesem Fall sind auf jeder Seite zwei oder mehr erste Leitereinführungsöffnungen 10 und zwei oder mehr zweite Leitereinführungsöffnungen 20 jeweils nebeneinander angeordnet vorhanden. Für solche Ausführungsformen kann eine andere Ausgestaltung des jeweiligen Betätigungshebels 19, 29 vorteilhaft sein.The conductor connection terminal 9 can be designed as a simple conductor connection terminal, in which a conductor insertion opening 10, 20 is present on each side. It can also be designed as a double or multiple clamp. In this case, two or more first conductor insertion openings 10 and two or more second conductor insertion openings 20 are each arranged next to one another on each side. A different configuration of the respective actuating lever 19, 29 can be advantageous for such embodiments.

Die Figur 5 zeigt eine vorteilhafte Ausführungsform eines Betätigungshebels 6, der als erster oder zweiter Betätigungshebel 19, 29 eingesetzt werden kann, und zwar für den Fall, dass die Leiteranschlussklemme nur eine Leitereinführungsöffnung 10, 20 auf jeder Seite aufweist. Der Betätigungshebel 6 weist einen manuellen Betätigungsbereich 60 (Griffbereich) auf, an dem der Betätigungshebel 6 von einem Benutzer betätigt werden kann. Der Betätigungshebel 6 weist ferner eine Lagerungsachse 61 auf, über die er Isolierstoffgehäuse 4, 5 gelagert werden kann. Der Betätigungshebel 6 ist im Bereich der Lagerungsachse 61 gabelförmig ausgebildet, mit einem in der Mitte ausgesparten Bereich 65, mit dem der Betätigungshebel 6 über die dazwischenliegende Klemmfeder gestülpt werden kann. Die Klemmfeder weist dann seitlich hervorstehende Beaufschlagungsbereiche 13 bzw. 23 auf, an denen die Klemmfeder über Betätigungsbereiche 62 des Betätigungshebels 6 beaufschlagt werden kann. Eine rückwärtige Kontur des Betätigungshebels 6 weist zwei im Winkel zueinander angeordnete Lagerbereiche 63, 64 auf, über die der Betätigungshebel in dem Isolierstoffgehäuse und/oder an der Stromschiene 3 aufgelagert ist. In der geschlossenen Betätigungsstellung liegt der Betätigungshebel 6 mit dem Lagerbereich 63 auf, in der geöffneten Stellung mit dem Lagerbereich 64. Die Lagerungsachse 61 ist in einer im Wesentlichen senkrecht zur Stromschiene 3 ausgerichteten, im Gehäuseoberteil 4 angeordneten Nut (nicht dargestellt) aufgenommen, um eine durch die Lagerbereiche 63, 64, welche auf der Stromschiene 3 während der Schwenkbewegung des Betätigungshebels 19, 29 gleiten, bedingte während der Schwenkbewegung des Betätigungshebels19, 29 auftretende Auslenkung aufnehmen zu können.The Figure 5 shows an advantageous embodiment of an actuating lever 6, which can be used as a first or second actuating lever 19, 29, specifically for the case that the conductor connection terminal has only one conductor insertion opening 10, 20 on each side. The operating lever 6 has a manual operating area 60 (grip area) on which the operating lever 6 can be operated by a user. The actuating lever 6 also has a mounting axis 61, by means of which it can be mounted with insulating material housing 4, 5. The actuating lever 6 is fork-shaped in the area of the bearing axis 61, with an area 65 recessed in the middle, with which the actuating lever 6 can be slipped over the clamping spring located in between. The clamping spring then has laterally protruding application areas 13 or 23, on which the clamping spring can be acted upon via actuation areas 62 of the actuating lever 6. A rear contour of the actuating lever 6 has two bearing areas 63, 64 which are arranged at an angle to one another and via which the actuating lever is supported in the insulating material housing and / or on the busbar 3. In the closed actuation position, the actuation lever 6 rests with the bearing area 63, in the open position with the bearing area 64 by the bearing areas 63, 64, which on the busbar 3 during the pivoting movement of the actuating lever 19, 29 slide to be able to absorb conditional deflection occurring during the pivoting movement of the actuating lever 19, 29.

Die Figur 4 zeigt eine Ausführung eines Betätigungshebels 6, der für eine Leiteranschlussklemme ausgebildet ist, bei der zwei nebeneinander angeordnete Federkraftklemmanschlüsse je Gehäuseseite vorhanden sind. Dementsprechend ist der gesamte Betätigungshebel 6 breiter ausgebildet und weist zwei nebeneinanderliegende, ausgesparte Bereiche 65 auf, in denen jeweilige Klemmfedern hindurchgeführt werden können. Entsprechende sind drei Beaufschlagungsbereiche 62 vorgesehen. Hierbei wirkt der mittlere Beaufschlagungsbereich 62 gleichzeitig auf die beiden benachbarten Klemmfedern an einer Seite der Leiteranschlussklemme 9 ein.The Figure 4 shows an embodiment of an actuating lever 6 which is designed for a conductor connection terminal, in which there are two spring-cage terminal connections arranged next to one another on each side of the housing. Accordingly, the entire actuating lever 6 is made wider and has two adjacent, recessed areas 65 in which respective clamping springs can be passed. Corresponding three application areas 62 are provided. In this case, the central area of application 62 acts simultaneously on the two adjacent clamping springs on one side of the conductor connection terminal 9.

Die Leiteranschlussklemme 9 gemäß Figur 6 entspricht in ihrem wesentlichen Aufbau der bisher anhand der Figuren 1 bis 3 erläuterten Leiteranschlussklemme 9. Daher soll nachfolgend im Wesentlichen auf die Unterschiede eingegangen werden.The conductor connection terminal 9 according to Figure 6 corresponds in its essential structure to that previously based on Figures 1 to 3 explained conductor connection terminal 9. Therefore, the differences will essentially be discussed below.

Die Figur 6 zeigt dabei den ersten Federkraftklemmanschluss 1 bei geöffnetem ersten Betätigungshebel 19, derart, dass die erste Klemmstelle 31 nicht vom Klemmschenkel 12 berührt wird und ein ggf. zuvor dort festgeklemmter elektrischer Leiter entnommen werden kann. Erkennbar ist, dass der Klemmschenkel 12 der ersten Klemmfeder 11 dann von der ersten Klemmstelle 31 entfernt ist. Der zweite Federkraftklemmanschluss 2 ist im geschlossenen Zustand dargestellt, d.h. der zweite Betätigungshebel 29 ist in der geschlossenen Stellung. In diesem Zustand berührt der Klemmschenkel 22 der zweiten Klemmfeder 21 endseitig die zweite Klemmstelle 32 der Stromschiene 3.The Figure 6 shows the first spring-loaded terminal connection 1 with the first actuating lever 19 open, in such a way that the first clamping point 31 is not touched by the clamping leg 12 and an electrical conductor that may have previously been clamped there can be removed. It can be seen that the clamping leg 12 of the first clamping spring 11 is then removed from the first clamping point 31. The second spring-loaded terminal connection 2 is shown in the closed state, ie the second actuating lever 29 is in the closed position. In this state, the end of the clamping leg 22 of the second clamping spring 21 touches the second clamping point 32 of the busbar 3.

Der Anlageschenkel 15 liegt an einem inneren Wandbereich 41 des Isolierstoffgehäuses 4, 5 an und wird daran zumindest zum Teil gegenüber den vom Klemmschenkel 12 aufgenommenen Kräften abgestützt. Der Anlageschenkel 25 liegt an einem inneren Wandbereich 42 des Isolierstoffgehäuses 4, 5 an und wird daran zumindest zum Teil gegenüber den vom Klemmschenkel 22 aufgenommenen Kräften abgestützt.The contact leg 15 rests against an inner wall area 41 of the insulating material housing 4, 5 and is supported thereon at least in part against the forces absorbed by the clamping leg 12. The contact leg 25 rests against an inner wall area 42 of the insulating material housing 4, 5 and is supported thereon at least in part against the forces absorbed by the clamping leg 22.

Der Endabschnitt 16 des Anlageschenkels 15 erstreckt sich über den Vertikalbereich 17 hinaus weiter nach unten durch die Durchgangsöffnung 30 der Stromschiene 3 und die Aussparung 82 des Stützblechs 8 und ist schließlich in der Aussparung 82 eingehängt, z.B. indem ein Endstück 18 des Endabschnitts 16 weiter abgewinkelt wird und damit die Aussparung 82 hintergreift. Der Endabschnitt 26 des Anlageschenkels 25 erstreckt sich über den Vertikalbereich 27 hinaus weiter nach unten durch die Durchgangsöffnung 30 der Stromschiene 3 und die Aussparung 82 des Stützblechs 8 und ist schließlich in der Aussparung 82 eingehängt, z.B. indem ein Endstück 28 des Endabschnitts 26 weiter abgewinkelt wird und damit die Aussparung 82 hintergreift.The end section 16 of the contact leg 15 extends beyond the vertical area 17 further down through the through opening 30 of the busbar 3 and the recess 82 of the support plate 8 and is finally suspended in the recess 82, e.g. by an end piece 18 of the end section 16 being further angled and thus engages behind the recess 82. The end section 26 of the contact leg 25 extends beyond the vertical area 27 further down through the through opening 30 of the busbar 3 and the recess 82 of the support plate 8 and is finally hooked into the recess 82, e.g. by an end piece 28 of the end section 26 being angled further and thus engages behind the recess 82.

Die Klemmfedern 11, 21 können zunächst, d.h. bevor sie an der Stromschiene 3 befestigt sind, in ihren jeweiligen Endstücken 18, 28 noch nicht derart nach außen gebogen sein wie in Figur 1 erkennbar ist. Sie können zunächst im Wesentlichen gradlinig verlaufen. Nach Montage der Klemmfedern 11, 21 in der Durchgangsöffnung 30 der Stromschiene 3 erfolgt ein weiterer Fertigungsschritt, indem die Endstücke 18, 28 nach außen hin, d.h. in Richtung der jeweiligen Leitereinführungsöffnung 10, 20, gebogen werden und dann die Aussparung 82 hintergreifen.The clamping springs 11, 21 can initially, that is, before they are attached to the busbar 3, not yet be bent outward in their respective end pieces 18, 28 as in FIG Figure 1 is recognizable. At first they can run essentially in a straight line. After the clamping springs 11, 21 have been installed in the through opening 30 of the busbar 3, a further production step takes place in that the end pieces 18, 28 are bent outwards, ie in the direction of the respective conductor insertion opening 10, 20 and then engage behind the recess 82.

Claims (14)

  1. Conductor connection terminal (9) with at least one spring force clamping connection (1, 2), which has at least one clamping spring (11, 21) and at least one current bar (3), wherein a clamping limb (12, 22) of the clamping spring (11, 21) is pretensioned relative to the current bar (3), such that an electrical conductor is connectable under spring force between the clamping limb (12, 21) and a conductor connection side (39) of the current bar (3), characterized in that the current bar (3) can be deformed by the clamping spring (11, 21), the conductor connection terminal (9) having as a further component at least one support plate (8) by which the current bar (3) is supported against deformation of the current bar (3) caused by the clamping spring (11, 21).
  2. Conductor connection terminal according to the preceding claim, characterized in that the support plate (8) is arranged on the side of the current bar (3) facing away from the conductor connection side (39) of the current bar (3).
  3. Conductor connection terminal according to one of the preceding claims, characterized in that the support plate (8) lies directly against the current bar (3).
  4. Conductor connection terminal according to one of the preceding claims, characterized in that the support plate (8) has at least one support surface (80) extending substantially parallel to the current rail and optionally at least one reinforcing section (81) angled relative to the support surface (80), by which the moment of inertia of the support plate (8) is increased at least in the longitudinal direction of the current bar (3).
  5. Conductor connection terminal according to one of the preceding claims, characterized in that the support plate (8) has at least one support surface (80) running essentially parallel to the current bar, which has at least one recess (82), and the support plate (8) is fixed to the current bar (3) by means of at least one fixing element (18, 28, 71, 72) projecting through the recess (82).
  6. Conductor connection terminal according to the preceding claim, characterized in that the support plate (8) is fixed to the current bar (3) by means of a positive connection through the fixing element (18, 28, 71, 72) projecting through the recess (82).
  7. Conductor connection terminal according to one of claims 5 to 6, characterized in that the fixing element (18, 28, 71, 72) projecting through is an integral component of the clamping spring (11, 21), in particular a component of an extended end section (16, 26) of a contact leg (15, 25) of the clamping spring (11, 21).
  8. Conductor connection terminal according to one of claims 5 to 7, characterized in that the fixing element (18, 28, 71, 72) projecting through has a mushroom head shape in cross section at least in its region projecting through the recess (82).
  9. Conductor connection terminal according to one of claims 5 to 8, characterized in that the support plate (8) can be fixed to the current bar (3) by a linear movement and/or a rotary movement by means of the fixing element (18, 28, 71, 72).
  10. Conductor connection terminal according to one of the preceding claims, the conductor connecting terminal (9) being designed as a connecting terminal for connecting at least two electrical conductors to one another, having the following features:
    a) the connecting terminal has an insulating material housing (4, 5) with at least one first and one second conductor insertion opening (10, 20),
    b) the first and second conductor insertion openings (10, 20) are arranged on opposite sides of the insulating material housing (4, 5),
    c) in the insulating material housing (4, 5) there are arranged a first spring force clamping terminal (1) for electrically contacting a first electrical conductor inserted through the first conductor insertion opening (10) and a second spring force clamping terminal (2) for electrically contacting a second electrical conductor inserted through the second conductor insertion opening (20),
    d) the first spring force terminal connection (1) is electrically connected to the second spring force terminal connection (2) via the same current bar (3).
  11. Conductor connection terminal according to the preceding claim, characterized in that the current bar (3) has at least one through-opening (30) arranged between the first and second clamping points (31, 32), wherein an extended end portion (16, 26) of the contact leg (15, 25) of the first and/or the second clamping spring (11, 21) is guided through the through-opening (30) of the current bar (3) and is fastened to the support plate (8) as a fixing element (18, 28, 71, 72).
  12. Conductor connection terminal according to one of claims 10 to 11, characterized in that the support plate (8) extends along the current bar (3) from the first spring force terminal connection (1) to the second spring force terminal connection (2).
  13. Conductor connection terminal according to one of the claims 10 to 11, characterized in that the first and/or the second clamping spring (11, 21) is formed in the shape of a sleeve, wherein the respective contact limb (15, 25) is bent in the direction of the current bar (3) in an extended end section (16, 26) of the respective clamping spring (11, 21).
  14. Conductor connection terminal according to one of claims 10 to 12, characterized in that the first clamping spring (11) touches the second clamping spring (21) in the area of its respective contact legs (15, 25).
EP18192960.5A 2017-09-08 2018-09-06 Cable connection terminal Active EP3454422B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL18192960.5T PL3454422T5 (en) 2017-09-08 2018-09-06 Cable connection terminal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202017105467.5U DE202017105467U1 (en) 2017-09-08 2017-09-08 Conductor terminal

Publications (3)

Publication Number Publication Date
EP3454422A1 EP3454422A1 (en) 2019-03-13
EP3454422B1 true EP3454422B1 (en) 2021-03-17
EP3454422B2 EP3454422B2 (en) 2024-04-17

Family

ID=63524157

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18192960.5A Active EP3454422B2 (en) 2017-09-08 2018-09-06 Cable connection terminal

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EP (1) EP3454422B2 (en)
DE (1) DE202017105467U1 (en)
PL (1) PL3454422T5 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019108291A1 (en) * 2019-03-29 2020-10-01 Wago Verwaltungsgesellschaft Mbh Conductor connection terminal
DE102019116930B4 (en) * 2019-06-24 2023-11-16 WAGO Verwaltungsgesellschaft mit beschränkter Haftung Electrical connection terminal
DE102019117302A1 (en) * 2019-06-27 2020-12-31 Phoenix Contact Gmbh & Co. Kg Terminal arrangement for connecting at least one electrical conductor
DE102019120302B4 (en) * 2019-07-26 2022-11-24 Wago Verwaltungsgesellschaft Mbh Conductor terminal, clamping spring of a conductor terminal and arrangement of at least two clamping springs
DE102019132008A1 (en) * 2019-11-26 2021-05-27 Phoenix Contact Gmbh & Co. Kg Terminal as well as electronic device
DE202020100089U1 (en) * 2020-01-09 2021-04-12 Wago Verwaltungsgesellschaft Mbh Conductor connection terminal
DE102020104080C5 (en) 2020-02-17 2022-05-05 WAGO Verwaltungsgesellschaft mit beschränkter Haftung Conductor terminal and method of assembling a conductor terminal

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DE202009002324U1 (en) 2009-02-18 2010-07-29 Weidmüller Interface GmbH & Co. KG Terminal for connecting conductor ends
DE202010009666U1 (en) 2010-06-30 2011-11-29 Weidmüller Interface GmbH & Co. KG Miniature spring clamp
DE102010025930A1 (en) 2010-07-02 2012-01-05 Phoenix Contact Gmbh & Co. Kg terminal
DE102013101830A1 (en) 2013-01-08 2014-07-10 Wago Verwaltungsgesellschaft Mbh Electrical connection terminal and method for its assembly
DE102014119421A1 (en) 2014-12-22 2016-06-23 Wago Verwaltungsgesellschaft Mbh Connection terminal and method for mounting a connection terminal
EP3125372A1 (en) 2011-12-14 2017-02-01 Wago Verwaltungsgesellschaft mbH Connection terminal
DE102015119247A1 (en) 2015-11-09 2017-05-11 Wago Verwaltungsgesellschaft Mbh connecting terminal

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Publication number Priority date Publication date Assignee Title
DE10355195B4 (en) * 2003-11-26 2007-03-15 Wieland Electric Gmbh wire connection
DE102013101411B4 (en) * 2013-02-13 2018-03-22 Wago Verwaltungsgesellschaft Mbh Spring terminal connection and conductor terminal

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202009002324U1 (en) 2009-02-18 2010-07-29 Weidmüller Interface GmbH & Co. KG Terminal for connecting conductor ends
DE202010009666U1 (en) 2010-06-30 2011-11-29 Weidmüller Interface GmbH & Co. KG Miniature spring clamp
DE102010025930A1 (en) 2010-07-02 2012-01-05 Phoenix Contact Gmbh & Co. Kg terminal
EP3125372A1 (en) 2011-12-14 2017-02-01 Wago Verwaltungsgesellschaft mbH Connection terminal
DE102013101830A1 (en) 2013-01-08 2014-07-10 Wago Verwaltungsgesellschaft Mbh Electrical connection terminal and method for its assembly
DE102014119421A1 (en) 2014-12-22 2016-06-23 Wago Verwaltungsgesellschaft Mbh Connection terminal and method for mounting a connection terminal
DE102015119247A1 (en) 2015-11-09 2017-05-11 Wago Verwaltungsgesellschaft Mbh connecting terminal

Also Published As

Publication number Publication date
EP3454422B2 (en) 2024-04-17
DE202017105467U1 (en) 2018-12-12
PL3454422T5 (en) 2024-07-29
PL3454422T3 (en) 2021-10-04
EP3454422A1 (en) 2019-03-13

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