EP0899818B1 - Electric terminal, in particular for use with printed circuit boards - Google Patents

Electric terminal, in particular for use with printed circuit boards Download PDF

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Publication number
EP0899818B1
EP0899818B1 EP98115981A EP98115981A EP0899818B1 EP 0899818 B1 EP0899818 B1 EP 0899818B1 EP 98115981 A EP98115981 A EP 98115981A EP 98115981 A EP98115981 A EP 98115981A EP 0899818 B1 EP0899818 B1 EP 0899818B1
Authority
EP
European Patent Office
Prior art keywords
conductor
open
operating part
box spring
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.)
Expired - Lifetime
Application number
EP98115981A
Other languages
German (de)
French (fr)
Other versions
EP0899818A3 (en
EP0899818A2 (en
Inventor
Jürgen Feye-Hohmann
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.)
Phoenix Contact GmbH and Co KG
Original Assignee
Phoenix Contact GmbH and Co KG
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
Application filed by Phoenix Contact GmbH and Co KG filed Critical Phoenix Contact GmbH and Co KG
Publication of EP0899818A2 publication Critical patent/EP0899818A2/en
Publication of EP0899818A3 publication Critical patent/EP0899818A3/en
Application granted granted Critical
Publication of EP0899818B1 publication Critical patent/EP0899818B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/50—Fixed connections
    • H01R12/51—Fixed connections for rigid printed circuits or like structures
    • H01R12/515—Terminal blocks providing connections to wires or cables
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-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
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/48185—Clamped 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
    • H01R4/4819—Clamped 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
    • H01R4/4821—Single-blade spring
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-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
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/4828—Spring-activating arrangements mounted on or integrally formed with the spring housing
    • H01R4/4833—Sliding arrangements, e.g. sliding button
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-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
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/48185—Clamped 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
    • H01R4/4819—Clamped 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
    • H01R4/4823—Multiblade spring
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-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
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/4846—Busbar details
    • H01R4/4848—Busbar integrally formed with the spring
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-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
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/4846—Busbar details
    • H01R4/485—Single busbar common to multiple springs

Definitions

  • the invention relates to an electrical Terminal, especially for use on printed circuit boards with a spring force element in the form of a box spring. From the wall of the box spring is at least one resilient clamping leg cut free, the inside of the box towards an opposite abutment is bent in and has a free clamping end, an electrical conductor between the and the abutment can be clamped.
  • the box spring is one in the longitudinal direction of the clamping leg to its clamping end in displaceable Operating part arranged that from a the articulation side of the clamping leg located the Box spring protrudes with a pusher end and when pressed in with its inner end as a wedge between the abutment and the clamping leg while lifting it away from Abutment or pushes from the clamped conductor, whereby the actuating part a passage for the implementation of the conductor and this passage channel from one Ladder insertion opening at the handle end up to a ladder exit opening extends at the inner end of the operating part.
  • electrical connectors for printed circuit boards With the large number of electrical connectors for printed circuit boards becomes a downsizing of the circuit boards themselves and one Miniaturization of the components attached to it is sought. They are also electrical connectors for the connection of further electrical lines to advertisements, consumers and communication terminals affected. Such electrical connectors include in particular electrical terminals.
  • a terminal of the type mentioned is from the Document DE 81 37 617 U1 known.
  • a similar connector shows document FR-2 656 164 A1.
  • these known Terminals are both the through channel and also the conductor insertion opening with the full cross section in arranged the respective actuator, which accordingly must be dimensioned to the passage and the Conductor insertion opening with walls on the entire circumference to be able to enclose. This represents a downsizing of such electrical terminals.
  • the invention is therefore based on the object to create electrical terminal, in which the actuating part can be made narrower and accordingly the entire clamp can be reduced.
  • This task is performed with a clamp of the generic type solved in that the passage channel and the conductor insertion opening of the operating part open on one side and on the Are closed on the open side by the terminal housing.
  • the box spring whose structure with the Abutment and the at least one clamping leg no additional Contact parts needed.
  • the box spring designed such that the or the clamping leg punched the back of the box spring and towards the abutment are bent.
  • the box spring also because, in addition to the desired stability sufficient due to the contact pressure of the clamping legs
  • a terminal Actuating part a laterally open passage for the passage of the conductor, and this passage extends from a laterally open conductor insertion opening at the end of the handle to a ladder outlet on Inner end of the operating part.
  • the configuration of the actuating part according to the invention supports the connection density of the electrical connection terminal, by the actuating part and the passage for the Conductors including the conductor insertion opening into one another are integrated.
  • the abutment inside the box spring either through the box wall opposite the clamping leg or formed by a second clamping leg his.
  • the second clamping leg is out the opposite wall of the first clamping leg Box spring cut free and inwards to the opposite, first clamping leg bent.
  • the box spring is for electrical insulation reasons alone arranged in a terminal housing made of insulating material, from which is also made of insulating material Pusher end of the unmoved actuator with one protruding actuating surface on which the conductor insertion opening is located. It is useful here the conductor insertion opening off-center on the actuating surface the pusher end arranged to a sufficiently large Area for actuation either by hand or by means of to provide a tool. Threading the Conductor in the passage of the actuating part is still thereby facilitates that the passage channel to the conductor insertion opening expanded like a funnel.
  • the actuating part leaves it to that either a one-piece actuator for several Ladder whose clamp leg opens at the same time or a multi-part actuating part a respective individual clamping allows multiple conductors.
  • the Box spring two or more arranged side by side Clamp leg with corresponding abutments and shows that Actuating part a corresponding number of passage channels and conductor insertion openings, or is the actuating part formed in two or more parts, in the latter
  • each element of the actuating part has a separate one Passage channel has and independent of the other elements is movable.
  • the elements of the multi-part actuating part with each other via guide members connected the independent actuation of the elements allow.
  • the actuating part is secured in the terminal housing expediently by latching.
  • latching In the case of a multi-part Actuating part can be latched in the composite so that the individual elements of the actuating part do not fall out of the connector housing.
  • the terminal also has a box-like Structure that is a very simple string of several Terminals with their terminal housing into one Terminal block allowed.
  • the insulating Terminal housings are positioned close to each other, an advantageous compact arrangement then being achieved can, if the terminal housing by means of latches or dovetail guides can be assembled into a fixed block are. In this way, any number of connections per connection block.
  • a terminal housing which Has a large number of receiving spaces for several box springs, has such a prefabricated, one-piece connection block then according to the design of the actuating parts and the passage channels and conductor insertion openings a variety from connection points arranged close to each other for a corresponding number of electrical conductors.
  • a terminal 1 is shown, which also can be referred to as a spring clamp element.
  • the Terminal 1 is here for the connection of two electrical Ladders 2, as can be seen from Figures 2 and 3 are executed.
  • the miniature possibility of the In principle the design also allows the connection terminal 1 to be designed only for the connection of a single conductor. This allows the width of the terminal 1 to be even wider be reduced.
  • Terminal 1 with the two 1 is for a contact grid of 3.81 mm or smaller.
  • the terminal 1 has a terminal housing 3, which a receives metal box spring 5 and an actuating part 4, the actuating part 4 from the terminal housing 3 with a pusher end 35 protrudes. Accordingly, in Cross-section essentially rectangular, box-shaped Terminal housing 3 one of the pusher end 35 of the operating part 4 filled, front opening 34.
  • the handle end 35 of the actuating part 4 has an end face Actuating surface 19 by hand or by means of a Tool can be applied to the actuator 4 and here in particular the pusher end 35 in the direction of To move inside the terminal housing 3.
  • the terminal housing 3 and the actuator 4 are made of insulating material.
  • Figure 1 also shows conductor insertion openings 10, of each of which is assigned to one of the conductors to be connected is.
  • the conductor insertion openings 10 are located on the actuating surface 19 of the handle end 35 and are here if necessary eccentrically arranged to have a sufficiently large, contiguous area available for operation put.
  • soldering spikes 17 which come from the end of the handle 35 remote end from the terminal housing 3 are the electrical connection of the terminal 1 done on a circuit board.
  • FIG. 2 two of which are combined to form a block Terminals 1 inserted into a circuit board 15 are.
  • the actuating part 4 as in FIG. 5 is shown, two arranged in the direction of displacement Through channels 11 that connect to the conductor insertion openings 10.
  • the passage channels 11 each extend from the conductor insertion opening 10 at the handle end 35 to a conductor exit opening 37 at the inner end 36 of the actuating part 4th
  • Figure 2 also shows that the actuating part 4 in each a box spring 5, which is located in the terminal housing 3, is slidably arranged.
  • the overall arrangement of the actuator 4 and box spring 5 results from FIG. 4, the box spring 5 is shown in Figure 6.
  • the Set the box spring 5 and the actuating part 4 according to FIG. 4 represents a preassembled unit, the actuating part 4 via laterally arranged locking pieces 12a and limiting openings 13a displaceable in the box spring 5 is held.
  • the terminal housing 3 can be honeycomb-like be carried out to a multitude or multitude of such Units according to Figure 4 include.
  • the box spring 5 is provided at its inner end with a web 32 which of Latching means overlapped on the inside of the terminal housing 3 can be.
  • the actuating part 4 sits in the inserted End position on an upper edge 33 of the box spring 5 on.
  • the upper edge 33 delimits the front opening 34 the box spring 5 through which the operating part 4th with the exception of its pusher end 35 inside the box spring 5 can be introduced.
  • the box spring 5 designed for two clamping points. It has two clamping legs 8 on that in the displacement of the actuator 4 protrude, these resilient clamping legs 8 are cut out of the wall of the box spring 5 and extend into the box interior by in Direction to the opposite wall 38 of the box spring 5 are inflected.
  • This opposite wall 38 of the Box spring 5 forms an abutment 7 with its inside, which with a free clamping end 31 of the respective clamping leg 8 interacts.
  • Each clamping leg 8 is on the Box spring 5 on the lying to the top opening 34 Wall part articulated and extends alongside of the operating part 4.
  • the operating part 4 has a wedge-shaped tapering inner end 36, which on the inside of the respective clamping leg 8 of the box spring 5 is present.
  • the clamping end 31 is as Clamp leg contact edge formed, when pulling on the conductor 2 due to their angle of attack relative to the conductor axis increases their mechanical clamping pressure.
  • the actuator 4 must further inside of the terminal housing 3 or the box spring 5 pressed , the clamping leg 8 is further lifted from the abutment 7 so that the clamping end 31 of the Clamping leg 8 releases the conductor 2.
  • FIG. 4 also shows a test tap opening 24, which is extends through the pusher end 35 of the actuating part 4. This gives you the option of installing one Terminal 1 a test of the electrical connection undertake through the test tap opening 24 this results in a tip contact to the upper edge 33 the box spring 5.
  • the box spring has 5 a box-like shape, which is essentially by a rectangular cross-section or a rectangular envelope is conditional.
  • the terminal housing is the same 3 box-shaped and has a corresponding Recording space 6 for the box spring 5.
  • the introduction of the Conductor 2 in the respective passage 11 of the actuating part 4 is a funnel-like extension of the Conductor insertion openings favored, the conductor insertion openings 10 and the passage channels 11 of the actuating part 4 open on one side and on the open side through the terminal housing 3 are closed.
  • the terminal housing 3 in the area of the insertion side, a conductor insertion recess 30 which have the circumferential contour of the conductor insertion opening 10 continues.
  • Figure 3 shows a connection block 20 with a total of six inserted conductors 2.
  • This illustration illustrates the Contact density, which is achieved by lining up Terminals 1 in a common terminal housing 3 with several recording rooms 6 can be reached.
  • Such Design is - as already mentioned - up to the shape of a Remove honeycomb with a large number of connection terminals 1, it is possible to have more than two connection points for the conductors 2 side by side on potential, here by the Contacts 17 shown to unite. Accordingly the box spring 5 used several clamping legs 8 and Have abutment 7, so far more than that Two conductors 2 shown here may be present per terminal.
  • FIG. 7 finally shows that the box spring 5 for a terminal 1 instead of one through its wall abutment formed a second clamping leg as an abutment 7 can have, the mirror symmetry to the first Clamp leg 8 is and in the same way from the wall the box spring 5 is cut free.

Landscapes

  • Connections Arranged To Contact A Plurality Of Conductors (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Multi-Conductor Connections (AREA)
  • Combinations Of Printed Boards (AREA)

Abstract

The connector has a box spring element with a clamp arm cut out of its wall and bent inwards. An actuator part (4) has a cable (2) through channel which extends from a cable input opening (10) at a press end (35) to a cable outlet opening at the inner end of the actuator part.

Description

Die Erfindung bezieht sich auf eine elektrische Anschlußklemme, insbesondere für den Einsatz auf Leiterplatten mit einem Federkraftelement in Gestalt einer Kastenfeder. Aus der Wandung der Kastenfeder ist zumindest ein federnder Klemmschenkel freigeschnitten, der in das Kasteninnere hinein in Richtung zu einem gegenüberliegenden Widerlager eingebogen ist und der ein freies Klemmende hat, zwischen dem und dem Widerlager ein elektrischer Leiter einspannbar ist. In der Kastenfeder ist ein in der Längsrichtung des Klemmschenkels zu dessen Klemmende in verschiebliches Betätigungsteil angeordnet, das aus einer an der Anlenkseite des Klemmschenkels befindlichen Öffnung der Kastenfeder mit einem Drückerende herausragt und beim Eindrücken sich mit seinem Innenende als Keil zwischen das Widerlager und den Klemmschenkel unter dessen Wegheben vom Widerlager bzw. von dem eingespannten Leiter schiebt, wobei das Betätigungsteil einen Durchlaßkanal für die Durchführung des Leiters hat und dieser Durchlaßkanal von einer Leitereinführöffnung am Drückerende bis zu einer Leiteraustrittsöffnung am Innenende des Betätigungsteils sich erstreckt.The invention relates to an electrical Terminal, especially for use on printed circuit boards with a spring force element in the form of a box spring. From the wall of the box spring is at least one resilient clamping leg cut free, the inside of the box towards an opposite abutment is bent in and has a free clamping end, an electrical conductor between the and the abutment can be clamped. In the box spring is one in the longitudinal direction of the clamping leg to its clamping end in displaceable Operating part arranged that from a the articulation side of the clamping leg located the Box spring protrudes with a pusher end and when pressed in with its inner end as a wedge between the abutment and the clamping leg while lifting it away from Abutment or pushes from the clamped conductor, whereby the actuating part a passage for the implementation of the conductor and this passage channel from one Ladder insertion opening at the handle end up to a ladder exit opening extends at the inner end of the operating part.

Bei der Vielzahl elektrischer Verbinder für Leiterplatten wird eine Verkleinerung der Leiterplatten selbst und eine Miniaturisierung der darauf befestigten Bauelemente angestrebt. Gleichfalls sind davon auch elektrische Verbinder für den Anschluß von weiterführenden elektrischen Leitungen zu Anzeigen, Verbrauchern und zu Kommunikationsendgeräten betroffen. Zu solchen elektrischen Verbindern zählen insbesondere elektrische Anschlußklemmen.With the large number of electrical connectors for printed circuit boards becomes a downsizing of the circuit boards themselves and one Miniaturization of the components attached to it is sought. They are also electrical connectors for the connection of further electrical lines to advertisements, consumers and communication terminals affected. Such electrical connectors include in particular electrical terminals.

Eine Anschlußklemme der eingangs genannten Art ist aus dem Dokument DE 81 37 617 U1 bekannt. Eine ähnliche Anschlußklemme zeigt das Dokument FR-2 656 164 A1. Bei diesen bekannten Anschlußklemmen ist sowohl der Durchlaßkanal als auch die Leitereinführöffnung mit dem vollen Querschnitt in dem jeweiligen Betätigungsteil angeordnet, welches entsprechend dimensioniert sein muß, um den Durchlaßkanal und die Leitereinführöffnung mit Wandungen auf dem ganzen Umfang umschließen zu können. Dies steht einer Verkleinerung solcher elektrischer Anschlußklemmen entgegen.A terminal of the type mentioned is from the Document DE 81 37 617 U1 known. A similar connector shows document FR-2 656 164 A1. With these known Terminals are both the through channel and also the conductor insertion opening with the full cross section in arranged the respective actuator, which accordingly must be dimensioned to the passage and the Conductor insertion opening with walls on the entire circumference to be able to enclose. This represents a downsizing of such electrical terminals.

Der Erfindung liegt deshalb die Aufgabe zugrunde, eine elektrische Anschlußklemme zu schaffen, bei der das Betätigungsteil schmaler ausgeführt werden kann und entsprechend die gesamte Klemme verkleinerbar ist.The invention is therefore based on the object to create electrical terminal, in which the actuating part can be made narrower and accordingly the entire clamp can be reduced.

Diese Aufgabe wird bei einer Klemme der gattungsgemäßen Art dadurch gelöst, daß der Durchlaßkanal und die Leitereinführöffnung des Betätigungsteils einseitig offen und an der Offenseite durch das Klemmengehäuse geschlossen sind.This task is performed with a clamp of the generic type solved in that the passage channel and the conductor insertion opening of the operating part open on one side and on the Are closed on the open side by the terminal housing.

Zur Minimierung der Bauteile trägt grundsätzlich bereits die Verwendung der Kastenfeder bei, deren Aufbau mit dem Widerlager und dem mindestens einen Klemmschenkel keine zusätzlichen Kontaktteile benötigt. Hierzu ist die Kastenfeder derart gestaltet, daß der bzw. die Klemmschenkel aus dem Rücken der Kastenfeder gestanzt und zum Widerlager hin gebogen sind. Hierbei ist eine Ausführung mit mehreren unabhängigen Klemmschenkeln leicht herstellbar und vorteilhaft, da die direkt nebeneinanderliegenden Klemmschenkel zu einer höheren Kontaktdichte beitragen. Eine Anordnung mit mehr als drei Anschlußstellen pro Kastenfeder ist durchaus realisierbar. Vorteilhaft ist der kastenartige Aufbau der Feder auch deshalb, weil neben der gewünschten Stabilität aufgrund der Anpreßkräfte der Klemmschenkel auch genügend Aufnahmeraum für mindest ein Betätigungsteil besteht. Durch vorteilhafte Ausstanzungen in den Seitenflächen der Kastenfeder lassen sich das zugehörige Klemmengehäuse und das Betätigungsteil mit der Kastenfeder im Fügevorgang miteinander verrasten. Das hat den weiteren Vorteil, daß das Betätungsteil nicht durch eine unachtsame Montage von der Federkraftklemme abgezogen werden kann.To minimize the components basically already contributes the use of the box spring, whose structure with the Abutment and the at least one clamping leg no additional Contact parts needed. For this is the box spring designed such that the or the clamping leg punched the back of the box spring and towards the abutment are bent. Here is a version with several independent Clamping legs easy to manufacture and advantageous, because the clamping legs lying directly next to each other contribute to a higher contact density. An arrangement with there is more than three connection points per box spring realizable. The box-like structure of the is advantageous Spring also because, in addition to the desired stability sufficient due to the contact pressure of the clamping legs There is space for at least one actuating part. By advantageous punched holes in the side surfaces of the box spring the associated terminal box and the actuator with the box spring in the joining process with each other lock. This has the further advantage that the actuating part not due to careless installation of the spring clamp can be deducted.

Erfindungsgemäß hat bei einer solchen Anschlußklemme das Betätigungsteil einen seitlich offenen Durchlaßkanal für die Durchführung des Leiters, und dieser Durchlaßkanal erstreckt sich von einer seitlich offenen Leitereinführöffnung am Drückerende bis zu einer Leiteraustrittsöffnung am Innenende des Betätigungsteils.According to the invention has such a terminal Actuating part a laterally open passage for the passage of the conductor, and this passage extends from a laterally open conductor insertion opening at the end of the handle to a ladder outlet on Inner end of the operating part.

Die erfindungsgemäße Ausgestaltung des Betätigungsteils unterstützt die Anschlußdichte der elektrischen Anschlußklemme, indem das Betätigungsteil und der Durchlaßkanal für den Leiter einschließlich der Leitereinführöffnung ineinander integriert sind. The configuration of the actuating part according to the invention supports the connection density of the electrical connection terminal, by the actuating part and the passage for the Conductors including the conductor insertion opening into one another are integrated.

Je nach den vorhandenen Platzverhältnissen und dem gewünschten Klemmeffekt kann in vorteilhafter Ausgestaltung der Erfindung das Widerlager im Innern der Kastenfeder entweder durch die dem Klemmschenkel gegenüberliegende Kastenwandung oder durch einen zweiten Klemmschenkel gebildet sein. Im letzteren Falle ist der zweite Klemmschenkel aus der dem ersten Klemmschenkel gegenüberliegenden Wandung der Kastenfeder freigeschnitten und nach innen hin zum gegenüberliegenden, ersten Klemmschenkel hin eingebogen.Depending on the available space and the desired Clamping effect can be in an advantageous embodiment the invention the abutment inside the box spring either through the box wall opposite the clamping leg or formed by a second clamping leg his. In the latter case, the second clamping leg is out the opposite wall of the first clamping leg Box spring cut free and inwards to the opposite, first clamping leg bent.

Schon aus Gründen der elektrischen Isolierung ist die Kastenfeder in einem Klemmengehäuse aus Isoliermaterial angeordnet, aus dem das ebenfalls aus Isoliermaterial bestehende Drückerende des unverschobenen Betätigungsteils mit einer vorstehenden Betätigungsfläche herausragt, an der sich die Leitereinführöffnung befindet. Zweckmäßig ist hierbei die Leitereinführöffnung außermittig an der Betätigungsfläche des Drückerendes angeordnet, um eine ausreichend große Fläche für die Betätigung entweder von Hand oder mittels eines Werkzeugs zur Verfügung zu stellen. Das Einfädeln des Leiters in den Durchlaßkanal des Betätigungsteils wird noch dadurch erleichtert, daß sich der Durchlaßkanal zur Leitereinführöffnung hin trichterartig erweitert.The box spring is for electrical insulation reasons alone arranged in a terminal housing made of insulating material, from which is also made of insulating material Pusher end of the unmoved actuator with one protruding actuating surface on which the conductor insertion opening is located. It is useful here the conductor insertion opening off-center on the actuating surface the pusher end arranged to a sufficiently large Area for actuation either by hand or by means of to provide a tool. Threading the Conductor in the passage of the actuating part is still thereby facilitates that the passage channel to the conductor insertion opening expanded like a funnel.

Die besondere Ausgestaltung des Betätigungsteiles läßt es zu, daß entweder ein einstückiges Betätigungsteil für mehrere Leiter, deren Klemmschenkel gleichzeitig öffnet oder ein mehrteiliges Betätigungsteil eine jeweilige Einzelklemmung mehrerer Leiter ermöglicht. Entsprechend hat dann die Kastenfeder zwei oder mehrere nebeneinander angeordnete Klemmschenkel mit entsprechenden Widerlagern und weist das Betätigungsteil eine entsprechende Anzahl von Durchlaßkanälen und Leitereinführöffnungen auf, oder ist das Betätigungsteil zwei- bzw. mehrteilig ausgebildet, wobei im letzteren Fall jedes Element des Betätigungsteils einen separaten Durchlaßkanal hat und unabhängig von den anderen Elementen verschieblich ist. Hierbei sind die Elemente des mehrteiligen Betätigungsteils über Führungsglieder miteinander verbunden, die eine unabhängige Betätigung der Elemente zulassen.The special design of the actuating part leaves it to that either a one-piece actuator for several Ladder whose clamp leg opens at the same time or a multi-part actuating part a respective individual clamping allows multiple conductors. Accordingly, the Box spring two or more arranged side by side Clamp leg with corresponding abutments and shows that Actuating part a corresponding number of passage channels and conductor insertion openings, or is the actuating part formed in two or more parts, in the latter In case each element of the actuating part has a separate one Passage channel has and independent of the other elements is movable. Here are the elements of the multi-part actuating part with each other via guide members connected, the independent actuation of the elements allow.

Die Sicherung des Betätigungsteils im Klemmengehäuse erfolgt zweckmäßig durch Verrasten. Im Falle eines mehrteiligen Betätigungsteils kann ein Verrasten im Verbund vorgesehen werden, damit die einzelnen Elemente des Betätigungsteils nicht aus dem Gehäuse der Anschlußklemme herausfallen.The actuating part is secured in the terminal housing expediently by latching. In the case of a multi-part Actuating part can be latched in the composite so that the individual elements of the actuating part do not fall out of the connector housing.

Insgesamt hat die Anschlußklemme ebenfalls einen kastenartigen Aufbau, der eine sehr einfache Aneinanderreihung mehrerer Anschlußklemmen mit deren Klemmengehäuse zu einem Anschlußklemmenblock erlaubt. Hierbei können die isolierenden Klemmengehäuse dicht nebeneinander positioniert werden, wobei eine vorteilhafte kompakte Anordnung dann erreicht werden kann, wenn die Klemmengehäuse mittels Verrastungen oder Schwalbenschwanzführungen zu einem festen Block zusammenfügbar sind. Auf diese Weise ist eine beliebige Anzahl von Anschlüssen pro Anschlußblock herstellbar. Zum anderen kann ein Klemmengehäuse vorgesehen werden, welches eine Vielzahl von Aufnahmeräumen für mehrere Kastenfedern hat, ein solcher vorgefertigter, einstückiger Anschlußblock hat dann entsprechend der Ausführung der Betätigungsteile und deren Durchlaßkanäle und Leitereinführöffnungen eine Vielzahl von dicht nebeneinander angeordneten Anschlußstellen für eine entsprechende Anzahl von elektrischen Leitern.Overall, the terminal also has a box-like Structure that is a very simple string of several Terminals with their terminal housing into one Terminal block allowed. Here, the insulating Terminal housings are positioned close to each other, an advantageous compact arrangement then being achieved can, if the terminal housing by means of latches or dovetail guides can be assembled into a fixed block are. In this way, any number of connections per connection block. On the other hand can be provided a terminal housing, which Has a large number of receiving spaces for several box springs, has such a prefabricated, one-piece connection block then according to the design of the actuating parts and the passage channels and conductor insertion openings a variety from connection points arranged close to each other for a corresponding number of electrical conductors.

In der Zeichnung zeigen:

Fig. 1
eine elektrische Anschlußklemme für zwei anzuschließende Leiter in dreidimensionaler Darstellung,
Fig. 2
einen vertikalen Längsschnitt durch zwei in einem gemeinsamen Gehäuse befindliche Anschlußklemmen in Einbaulage bei angeschlossenen elektrischen Leitern,
Fig. 3
einen Klemmenblock in teilweise aufgeschnittener, perspektivischer Darstellung für den Anschluß von sechs Leitern,
Fig. 4
die Kastenfeder mit darin eingerastetem Betätigungsteil für Anschlußklemmen nach Fig. 1 - 3 in perspektivischer Darstellung,
Fig. 5
das Betätigungsteil für Anschlußklemmen nach Fig. 1 bis 3 in perspektivischer Darstellung,
Fig. 6
die Kastenfeder für Anschlußklemmen nach Fig. 1 bis 3 in perspektivischer Darstellung von der gegenüber Fig. 4 entgegengesetzten Seite gesehen und
Fig. 7
eine der Fig. 2 entsprechende Darstellung der Anschlußklemmen jedoch in einer Ausführung, bei der das Widerlager für die Klemmschenkel durch einen zweiten Klemmschenkel der jeweiligen Kastenfeder gebildet ist.
The drawing shows:
Fig. 1
an electrical connection terminal for two conductors to be connected in three-dimensional representation,
Fig. 2
a vertical longitudinal section through two connecting terminals located in a common housing in the installed position with connected electrical conductors,
Fig. 3
a terminal block in a partially cutaway perspective view for the connection of six conductors,
Fig. 4
1 is a perspective view of the box spring with the actuating part for connecting terminals according to FIGS.
Fig. 5
1 to 3 in a perspective view,
Fig. 6
the box spring for terminals according to FIGS. 1 to 3 seen in perspective from the opposite side to FIG. 4 and
Fig. 7
one of the Fig. 2 corresponding representation of the terminals, however, in an embodiment in which the abutment for the clamping leg is formed by a second clamping leg of the respective box spring.

In Figur 1 ist eine Anschlußklemme 1 dargestellt, die auch als Federkraftklemmelement bezeichnet werden kann. Die Aschlußklemme 1 ist hier für den Anschluß von zwei elektrischen Leitern 2, wie sie aus den Figuren 2 und 3 ersichtlich sind, ausgeführt. Die Miniatuisierungsmöglichkeit der Bauart erlaubt es grundsätzlich auch, die Anschlußklemme 1 lediglich für den Anschluß eines einzigen Leiters auszulegen. Dadurch kann die Breite der Anschlußklemme 1 noch weiter reduziert werden. Die Anschlußklemme 1 mit den zwei Leiteranschlüssen gemäß Figur 1 ist für ein Kontaktraster von 3,81 mm oder kleiner herstellbar.In Figure 1, a terminal 1 is shown, which also can be referred to as a spring clamp element. The Terminal 1 is here for the connection of two electrical Ladders 2, as can be seen from Figures 2 and 3 are executed. The miniature possibility of the In principle, the design also allows the connection terminal 1 to be designed only for the connection of a single conductor. This allows the width of the terminal 1 to be even wider be reduced. Terminal 1 with the two 1 is for a contact grid of 3.81 mm or smaller.

Die Anschlußklemme 1 hat ein Klemmengehäuse 3, welches eine metallene Kastenfeder 5 und ein Betätigungsteil 4 aufnimmt, wobei das Betätigungsteil 4 aus dem Klemmengehäuse 3 mit einem Drückerende 35 herausragt. Entsprechend hat das im Querschnitt im wesentlichen rechteckige, kastenförmige Klemmengehäuse 3 eine von dem Drückerende 35 des Betätigungsteils 4 ausgefüllte, stirnseitige Öffnung 34. Das Drückerende 35 des Betätigungsteils 4 weist eine stirnseitige Betätigungsfläche 19 auf, die von Hand oder mittels eines Werkzeugs beaufschlagt werden kann, um das Betätigungsteil 4 und hier insbesondere das Drückerende 35 in Richtung zum Inneren des Klemmengehäuses 3 zu verschieben. Das Klemmengehäuse 3 und das Betätigungsteil 4 bestehen aus Isolierstoff.The terminal 1 has a terminal housing 3, which a receives metal box spring 5 and an actuating part 4, the actuating part 4 from the terminal housing 3 with a pusher end 35 protrudes. Accordingly, in Cross-section essentially rectangular, box-shaped Terminal housing 3 one of the pusher end 35 of the operating part 4 filled, front opening 34. The handle end 35 of the actuating part 4 has an end face Actuating surface 19 by hand or by means of a Tool can be applied to the actuator 4 and here in particular the pusher end 35 in the direction of To move inside the terminal housing 3. The terminal housing 3 and the actuator 4 are made of insulating material.

Figur 1 zeigt weiter noch Leitereinführöffnungen 10, von denen jede einem der anzuschließenden Leiter zugeordnet ist. Die Leitereinführöffnungen 10 befinden sich an der Betätigungsfläche 19 des Drückerendes 35 und sind hier gegebenenfalls außermittig angeordnet, um eine genügend große, zusammenhängende Fläche zur Betätigung zur Verfügung zu stellen. Mittels zweier Lötstachel 17, die aus dem vom Drückerende 35 abliegenden Ende aus dem Klemmengehäuse 3 ausgeführt sind, kann der elektrische Anschluß der Anschlußklemme 1 an einer Leiterplatte erfolgen.Figure 1 also shows conductor insertion openings 10, of each of which is assigned to one of the conductors to be connected is. The conductor insertion openings 10 are located on the actuating surface 19 of the handle end 35 and are here if necessary eccentrically arranged to have a sufficiently large, contiguous area available for operation put. By means of two soldering spikes 17, which come from the end of the handle 35 remote end from the terminal housing 3 are the electrical connection of the terminal 1 done on a circuit board.

Dies zeigt Figur 2, wobei hier zwei zu einem Block zusammengefaßte Anschlußklemmen 1 in eine Leiterplatte 15 eingesteckt sind. Man erkennt hier bei der Anschlußklemme in der Darstellung von Figur 2 rechts, daß der angeschlossene elektrische Leiter 2 durch das Betätigungsteil 4 hindurchgeführt ist. Dazu hat das Betätigungsteil 4, wie in Figur 5 dargestellt ist, zwei in der Verschieberichtung angeordnete Durchlaßkanäle 11, die an die Leitereinführöffnungen 10 anschließen. Die Durchlaßkanäle 11 erstrecken sich jeweils von der Leitereinführöffnung 10 am Drückerende 35 bis zu einer Leiteraustrittsöffnung 37 am Innenende 36 des Betätigungsteils 4.This is shown in FIG. 2, two of which are combined to form a block Terminals 1 inserted into a circuit board 15 are. You can see here at the connection terminal in the Representation of Figure 2 right that the connected electrical Conductor 2 passed through the actuator 4 is. For this purpose, the actuating part 4, as in FIG. 5 is shown, two arranged in the direction of displacement Through channels 11 that connect to the conductor insertion openings 10. The passage channels 11 each extend from the conductor insertion opening 10 at the handle end 35 to a conductor exit opening 37 at the inner end 36 of the actuating part 4th

Weiter zeigt Figur 2, daß das Betätigungsteil 4 jeweils in einer Kastenfeder 5, die sich im Klemmengehäuse 3 befindet, verschieblich angeordnet ist. Die Gesamtanordnung von Betätigungsteil 4 und Kastenfeder 5 ergibt sich aus Figur 4, die Kastenfeder 5 für sich ist in Figur 6 dargestellt. Die Kastenfeder 5 und das Betätigungsteil 4 gemäß Figur 4 stellen eine vormontierbare Einheit dar, wobei das Betätigungsteil 4 über seitlich angeordnete Riegelstücke 12a und Begrenzungsöffnungen 13a in der Kastenfeder 5 verschieblich gehalten ist. Das Klemmengehäuse 3 kann entsprechend wabenartig ausgeführt sein, um eine Mehr- oder Vielzahl solcher Einheiten gemäß Figur 4 aufzunehmen. Die Kastenfeder 5 ist an ihrem Innenende mit einem Steg 32 versehen, der von Rastmitteln an der Innenseite des Klemmengehäuses 3 übergriffen werden kann.Figure 2 also shows that the actuating part 4 in each a box spring 5, which is located in the terminal housing 3, is slidably arranged. The overall arrangement of the actuator 4 and box spring 5 results from FIG. 4, the box spring 5 is shown in Figure 6. The Set the box spring 5 and the actuating part 4 according to FIG. 4 represents a preassembled unit, the actuating part 4 via laterally arranged locking pieces 12a and limiting openings 13a displaceable in the box spring 5 is held. The terminal housing 3 can be honeycomb-like be carried out to a multitude or multitude of such Units according to Figure 4 include. The box spring 5 is provided at its inner end with a web 32 which of Latching means overlapped on the inside of the terminal housing 3 can be.

Am Drückerende 35 des Betätigungsteils 4 stehen an den Schmalseiten Anlageschultern 9 vor, die eine Begrenzung des Verschiebewegs des Betätigungsteils 4 in Richtung in das Innere der Kastenfeder 5 hinein bewirken. Denn mit diesen Anlageschultern 9 sitzt das Betätigungsteil 4 in der eingeschobenen Endlage auf einer Oberkante 33 der Kastenfeder 5 auf. Die Oberkante 33 begrenzt die stirnseitige Öffnung 34 der Kastenfeder 5, durch die hindurch das Betätigungsteil 4 mit Ausnahme seines Drückerendes 35 in das Innere der Kastenfeder 5 eingeführt werden kann.At the pusher end 35 of the operating part 4 are at the Narrow sides of the shoulder shoulders 9, which limit the Displacement of the actuator 4 in the direction Effect inside the box spring 5 into it. Because with these Contact shoulders 9, the actuating part 4 sits in the inserted End position on an upper edge 33 of the box spring 5 on. The upper edge 33 delimits the front opening 34 the box spring 5 through which the operating part 4th with the exception of its pusher end 35 inside the box spring 5 can be introduced.

Wie aus den Figuren 2 und 6 hervorgeht, ist die Kastenfeder 5 für zwei Klemmstellen ausgeführt. Sie weist zwei Klemmschenkel 8 auf, die in den Verschiebeweg des Betätigungsteils 4 vorstehen, wobei diese federnden Klemmschenkel 8 aus der Wandung der Kastenfeder 5 freigeschnitten sind und sich in das Kasteninnere hinein erstrecken, indem sie in Richtung zur gegenüberliegenden Wandung 38 der Kastenfeder 5 eingebogen sind. Diese gegenüberliegende Wandung 38 der Kastenfeder 5 bildet mit ihrer Innenseite ein Widerlager 7, welches mit einem freien Klemmende 31 des jeweiligen Klemmschenkels 8 zusammenwirkt. Jeder Klemmschenkel 8 ist an der Kastenfeder 5 an dem zur oberendigen Öffnung 34 hinliegenden Wandungsteil angelenkt und erstreckt sich längsseits des Betätigungsteils 4. Das Betätigungsteil 4 hat ein sich keilförmig verjüngendes Innenende 36, welches an der Innenseite des jeweiligen Klemmschenkels 8 der Kastenfeder 5 anliegt. Aufgrund der Federelastizität des Klemmschenkels 8 wird hierbei das Betätigungsteil 4 in seiner Ausgangslage in der nicht verschobenen Position gehalten, in der das Drückerende 35 des Betätigungsteils 4 aus dem Klemmengehäuse herausragt, wie es in Figur 2 gezeigt ist. Durch Beaufschlagung des Drückerendes 35 des Betätigungsteils 4 wird entgegen der Richtung der Federkraft der jeweilige Klemmschenkel 8 mit seinem Klemmende 31 von dem Widerlager 7 weg bewegt, womit das Öffnen der jeweiligen Anschlußklemme 1 bewirkt wird.As can be seen from Figures 2 and 6, the box spring 5 designed for two clamping points. It has two clamping legs 8 on that in the displacement of the actuator 4 protrude, these resilient clamping legs 8 are cut out of the wall of the box spring 5 and extend into the box interior by in Direction to the opposite wall 38 of the box spring 5 are inflected. This opposite wall 38 of the Box spring 5 forms an abutment 7 with its inside, which with a free clamping end 31 of the respective clamping leg 8 interacts. Each clamping leg 8 is on the Box spring 5 on the lying to the top opening 34 Wall part articulated and extends alongside of the operating part 4. The operating part 4 has a wedge-shaped tapering inner end 36, which on the inside of the respective clamping leg 8 of the box spring 5 is present. Due to the spring elasticity of the clamping leg 8 is the actuating part 4 in its initial position held in the non-shifted position in which the Pusher end 35 of the actuating part 4 from the terminal housing protrudes as shown in Figure 2. By loading of the pusher end 35 of the operating part 4 against the direction of the spring force of the respective clamping leg 8 with its clamping end 31 away from the abutment 7 moves, opening the respective terminal 1 is effected.

Eine Überdehnung des Klemmschenkels 8 wird durch den Anschlag der Anlageschultern 9 am Drückerende 35 des Betätigungsteils 4 auf der Oberkante 33 der Kastenfeder 5 vermieden.An overextension of the clamping leg 8 is caused by the stop the abutment shoulders 9 at the pusher end 35 of the actuating part 4 avoided on the upper edge 33 of the box spring 5.

Zum Klemmen wird der betreffende elektrische Leiter 2 durch die passende Leitereinführöffnung 10 in den Durchlaßkanal 11 des Betätigungsteils 4 von dessen Betätigungsfläche 19 her eingeführt, und zwar soweit, bis der Leiter 2 unter Zurückdrängen des Klemmschenkels 8 vom Widerlager 7 weg in kontaktierenden Eingriff mit dem Klemmende 31 des Klemmschenkels 8 gekommen ist. Deshalb ist das Klemmende 31 als Klemmschenkelkontaktkante ausgebildet, die bei Zug am Leiter 2 aufgrund ihres Anstellwinkels gegenüber der Leiterachse ihren mechanischen Klemmdruck verstärkt. Soll hingegen der elektrische Leiter 2 von der Anschlußklemme 1 abgeklemmt werden, muß das Betätigungsteils 4 weiter in das Innere des Klemmengehäuses 3 bzw. der Kastenfeder 5 eingedrückt werden, hierdurch wird der Klemmschenkel 8 weiter vom Widerlager 7 abgehoben, so daß das Klemmende 31 des Klemmschenkels 8 den Leiter 2 freigibt.To clamp the relevant electrical conductor 2 through the appropriate conductor insertion opening 10 in the passage 11 of the actuating part 4 from its actuating surface 19 introduced here, and so far until the head 2 with pushing back of the clamping leg 8 away from the abutment 7 in contacting engagement with the clamping end 31 of the clamping leg 8 has come. Therefore, the clamping end 31 is as Clamp leg contact edge formed, when pulling on the conductor 2 due to their angle of attack relative to the conductor axis increases their mechanical clamping pressure. However, should the electrical conductor 2 is disconnected from the connection terminal 1 be, the actuator 4 must further inside of the terminal housing 3 or the box spring 5 pressed , the clamping leg 8 is further lifted from the abutment 7 so that the clamping end 31 of the Clamping leg 8 releases the conductor 2.

Wie Figur 2 weiter deutlich macht, kann man an der Stellung des Betätigungsteils 4 erkennen, ob der Leiter 2 einwandfrei geklemmt ist. Bei vertikaler Anordnung der Anschlußklemme 1 bewegt sich bei der Klemmung des Leiters 2 infolge Nachgebens des Klemmschenkels 8 das Betätigungsteil 4 nach unten, so daß das Drückerende 35 des Betätigungsteils 4 ganz oder teilweise in das Klemmengehäuse 3 eingetaucht ist. Steht dagegen bei eingeführtem Leiter 2 das Drückerende 35 des Betätigungsteils 4 weiter aus dem Klemmengehäuse 3 heraus, ist dies ein Anzeichen dafür, daß der Leiter 2 nicht ordnungsgemäß geklemmt ist.As Figure 2 makes further clear, one can at the position of the actuating part 4 recognize whether the conductor 2 is working properly is clamped. When the connection terminal is arranged vertically 1 moves when clamping the conductor 2 as a result Giving the clamping leg 8 after the actuating part 4 below, so that the pusher end 35 of the actuating part 4 completely or partially immersed in the terminal housing 3 is. On the other hand, when conductor 2 is inserted, the end of the handle is 35 of the actuating part 4 further out of the terminal housing 3 out, this is an indication that the conductor 2 is not properly clamped.

Figur 4 zeigt noch eine Prüfabgriffsöffnung 24, die sich durch das Drückerende 35 des Betätigungsteil 4 hindurch erstreckt. Hierdurch besteht die Möglichkeit, bei einer montierten Anschlußklemme 1 eine Prüfung der elektrischen Verbindung vorzunehmen, denn durch die Prüfabgriffsöffnung 24 hindurch ergibt sich ein Tippkontakt zur oberen Kante 33 der Kastenfeder 5. FIG. 4 also shows a test tap opening 24, which is extends through the pusher end 35 of the actuating part 4. This gives you the option of installing one Terminal 1 a test of the electrical connection undertake through the test tap opening 24 this results in a tip contact to the upper edge 33 the box spring 5.

Wie ihr Name bereits zum Ausdruck bringt, hat die Kastenfeder 5 eine kastenförmige Gestalt, der im wesentlichen durch einen rechteckigen Querschnitt bzw. eine rechteckige Umhüllung bedingt ist. In gleicher Weise ist auch das Klemmengehäuse 3 kastenförmig gestaltet und hat einen entsprechenden Aufnahmeraum 6 für die Kastenfeder 5. Die Einführung des Leiters 2 in den jeweiligen Durchlaßkanal 11 des Betätigungsteils 4 wird durch eine trichterartige Erweiterung der Leitereinführöffnungen begünstigt, wobei die Leitereinführöffnungen 10 und die Durchlaßkanäle 11 des Betätigungsteils 4 einseitig offen und an der Offenseite durch das Klemmengehäuse 3 geschlossen sind. Hierbei kann das Klemmengehäuse 3 im Bereich der Einführseite eine Leitereinführungsausnehmung 30 aufweisen, welche die Umfangskontur der Leitereinführöffnung 10 fortsetzt.As its name suggests, the box spring has 5 a box-like shape, which is essentially by a rectangular cross-section or a rectangular envelope is conditional. The terminal housing is the same 3 box-shaped and has a corresponding Recording space 6 for the box spring 5. The introduction of the Conductor 2 in the respective passage 11 of the actuating part 4 is a funnel-like extension of the Conductor insertion openings favored, the conductor insertion openings 10 and the passage channels 11 of the actuating part 4 open on one side and on the open side through the terminal housing 3 are closed. Here, the terminal housing 3 in the area of the insertion side, a conductor insertion recess 30 which have the circumferential contour of the conductor insertion opening 10 continues.

Figur 3 zeigt einen Anschlußblock 20 mit insgesamt sechs eingesteckten Leitern 2. Diese Darstellung verdeutlich die Kontaktdichte, die durch das Aneinanderreihen von Anschlußklemmen 1 in einem gemeinsamen Klemmengehäuse 3 mit mehreren Aufnahmeräumen 6 erreicht werden kann. Eine solche Ausgestaltung ist - wie bereits erwähnt - bis zur Form einer Wabe mit einer Vielzahl von Anschlußklemmen 1 auszubauen, wobei es möglich ist, mehr als zwei Anschlußstellen für die Leiter 2 nebeneinander auf Potential, hier durch die Kontakte 17 dargestellt, zu vereinen. Dementsprechend muß die verwendete Kastenfeder 5 mehrere Klemmschenkel 8 und Widerlager 7 aufweisen, insoweit können auch mehr als die hier dargestellten zwei Leiter 2 je Klemme vorhanden sein. Figure 3 shows a connection block 20 with a total of six inserted conductors 2. This illustration illustrates the Contact density, which is achieved by lining up Terminals 1 in a common terminal housing 3 with several recording rooms 6 can be reached. Such Design is - as already mentioned - up to the shape of a Remove honeycomb with a large number of connection terminals 1, it is possible to have more than two connection points for the conductors 2 side by side on potential, here by the Contacts 17 shown to unite. Accordingly the box spring 5 used several clamping legs 8 and Have abutment 7, so far more than that Two conductors 2 shown here may be present per terminal.

Figur 7 schließlich macht deutlich, daß die Kastenfeder 5 für eine Anschlußklemme 1 anstelle eines durch ihre Wandung gebildeten Widerlagers einen zweiten Klemmschenkel als Widerlager 7 haben kann, der spiegelsymmetrisch zu dem ersten Klemmschenkel 8 ist und in gleicher Weise aus der Wandung der Kastenfeder 5 freigeschnitten ist.FIG. 7 finally shows that the box spring 5 for a terminal 1 instead of one through its wall abutment formed a second clamping leg as an abutment 7 can have, the mirror symmetry to the first Clamp leg 8 is and in the same way from the wall the box spring 5 is cut free.

Claims (7)

  1. Electric terminal, more particularly for use on printed circuit boards, with a spring force element in the form of a box spring (5) which has at least one resilient clamping arm (8) cut out from its wall and bent into the inside of the box towards an opposing surface (7) and which also has a free clamping end (31) so that an electrical conductor (2) can be clamped between the free end and the opposing surface (7), wherein an operating part (4) is mounted in the box spring (5) where it is displaceable in the longitudinal direction of the clamping arm (8) towards its clamping end (31), the operating part (4) projecting by a push-button end (35) out from an opening (34) in the box spring (5) on the connecting side of the clamping arm (8) so that when pressed in it slides by its inner end (36) as a wedge between the abutment (7) and the clamping arm (8) so as to lift the latter away from the abutment (7) or from the clamped conductor (2), wherein the operating part (4) has a through channel (11) for the conductor (2) to pass through and this channel extends from a conductor insert opening (10) at the press-button end (35) down to a conductor outlet opening (37) at the inner end (36) of the operating part (4), characterised in that the through channel (11) and the conductor insert opening (10) of the operating part (4) are open on one side along a longitudinal side and are closed on the open side through the terminal housing (3).
  2. Terminal according to claim 1 characterised in that the box spring (5) is mounted in a terminal housing (3) from which the press-button end (35) of the non-displaced operating part (4) projects by a protruding operating face (19) on which the laterally open conductor insert opening (10) is provided.
  3. Terminal according to claim 2 characterised in that the conductor insert opening (10) which is open at the side is arranged off-centre on the operating face (19).
  4. Terminal according to one of claims 1 to 3 characterised in that the through channel (11) which is open at the side widens out in the operating part (4) funnel-shaped towards the conductor insert opening (10) which is open at the side.
  5. Terminal according to one of claims 1 to 4 characterised in that the box spring (5) has two or more clamping arms (8) arranged side by side with corresponding opposing surfaces (7) and the operating part (4) has a corresponding number of through channels (11) open at the side and conductor insert openings (10).
  6. Terminal according to claim 5 characterised in that the operating part (4) is formed in two or more parts wherein each element of the operating part (4) has a separate through channel (11) open at the side as well as a conductor insert opening (10) open at the side and is displaceable independently of the other elements.
  7. Terminal according to one of claims 1 to 6 characterised in that the terminal housing (3) has a conductor insert recess (30) which continues the circumferential contour of the conductor insert opening (10) which is open at the side.
EP98115981A 1997-08-25 1998-08-25 Electric terminal, in particular for use with printed circuit boards Expired - Lifetime EP0899818B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19736739 1997-08-25
DE19736739A DE19736739A1 (en) 1997-08-25 1997-08-25 Electrical connection terminal, in particular for use on printed circuit boards

Publications (3)

Publication Number Publication Date
EP0899818A2 EP0899818A2 (en) 1999-03-03
EP0899818A3 EP0899818A3 (en) 2000-05-31
EP0899818B1 true EP0899818B1 (en) 2002-11-27

Family

ID=7839953

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98115981A Expired - Lifetime EP0899818B1 (en) 1997-08-25 1998-08-25 Electric terminal, in particular for use with printed circuit boards

Country Status (5)

Country Link
EP (1) EP0899818B1 (en)
AT (1) ATE228722T1 (en)
DE (3) DE19736739A1 (en)
DK (1) DK0899818T3 (en)
ES (1) ES2184181T3 (en)

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DE102008062137A1 (en) 2008-12-16 2010-06-24 Wago Verwaltungsgesellschaft Mbh Conductor connecting terminal, has projection movably positioned by latch in position displaced from actuating opening towards conductor insertion opening below wall that forms insertion opening
DE102013111574A1 (en) 2013-10-21 2015-04-23 Wago Verwaltungsgesellschaft Mbh Spring terminal and connector
EP3465828B1 (en) * 2016-05-30 2022-09-28 Weidmüller Interface GmbH & Co. KG Spring terminal for a conductor
EP4358308A1 (en) * 2022-10-18 2024-04-24 ABB Schweiz AG An electrical device for low-voltage systems with a movable cover and contact spring for clamping cables

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DE10052812C2 (en) * 2000-10-24 2002-11-21 Phoenix Contact Gmbh & Co Terminal for at least one optical fiber
DE20106710U1 (en) * 2001-04-18 2001-08-09 Phoenix Contact Gmbh & Co., 32825 Blomberg Electrical clamp
DE10152520A1 (en) * 2001-10-24 2003-05-08 Wieland Electric Gmbh Electrical plug-in connector has clamp body protruding from clamp leg towards base leg for clamp contacting conductor between base and clamp legs when closing clamp connector
EP1353407B1 (en) 2002-04-12 2011-01-19 Weidmüller Interface GmbH & Co. KG Wire connecting device
DE20205821U1 (en) * 2002-04-12 2003-08-21 Weidmueller Interface Connection device for an electrical conductor has spring contact within body
DE10232256B4 (en) * 2002-07-17 2009-07-16 Phoenix Contact Gmbh & Co. Kg Clamping spring device for a spring-loaded terminal
KR100465234B1 (en) * 2002-09-13 2005-01-13 삼성전자주식회사 Electric power supply device of tape-end detecting sensor for tape recorder
DE10255190B4 (en) * 2002-11-27 2009-08-13 Phoenix Contact Gmbh & Co. Kg Circular connector unit
DE102005014075B3 (en) * 2005-03-23 2006-10-26 Phoenix Contact Gmbh & Co. Kg Spring tension clamp for thin, sensitive flexible wires/conductors, has clamp spring with loop form comprising rear support that is arranged into conduit entry opening in housing, and pusher arranged within interior of loop form
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DE102007031194B4 (en) 2007-07-04 2019-06-19 Weidmüller Interface GmbH & Co. KG Spring clip, arrangement of spring clips and method for mounting spring clips on a component
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DE102008062137A1 (en) 2008-12-16 2010-06-24 Wago Verwaltungsgesellschaft Mbh Conductor connecting terminal, has projection movably positioned by latch in position displaced from actuating opening towards conductor insertion opening below wall that forms insertion opening
DE102013111574A1 (en) 2013-10-21 2015-04-23 Wago Verwaltungsgesellschaft Mbh Spring terminal and connector
WO2015059054A1 (en) 2013-10-21 2015-04-30 Wago Verwaltungsgesellschaft Mbh Spring-force terminal connection and plug connector
DE102013111574B4 (en) * 2013-10-21 2017-01-12 Wago Verwaltungsgesellschaft Mbh Spring terminal and connector
US9614301B2 (en) 2013-10-21 2017-04-04 Wago Verwaltungsgesellschaft Mbh Spring force connection terminal and plug connector
US9847587B2 (en) 2013-10-21 2017-12-19 Wago Verwaltungsgesellschaft Mbh Spring-force terminal connection and plug connector
EP3465828B1 (en) * 2016-05-30 2022-09-28 Weidmüller Interface GmbH & Co. KG Spring terminal for a conductor
EP4358308A1 (en) * 2022-10-18 2024-04-24 ABB Schweiz AG An electrical device for low-voltage systems with a movable cover and contact spring for clamping cables

Also Published As

Publication number Publication date
DE59806416D1 (en) 2003-01-09
DE19838008A1 (en) 1999-03-25
DE19736739A1 (en) 1999-03-04
EP0899818A3 (en) 2000-05-31
ES2184181T3 (en) 2003-04-01
DE19838008B4 (en) 2004-12-09
EP0899818A2 (en) 1999-03-03
DK0899818T3 (en) 2003-03-03
ATE228722T1 (en) 2002-12-15

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