EP0013917B1 - Device for fastening a carrying rail or the like at distance to a wall - Google Patents

Device for fastening a carrying rail or the like at distance to a wall Download PDF

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Publication number
EP0013917B1
EP0013917B1 EP80100131A EP80100131A EP0013917B1 EP 0013917 B1 EP0013917 B1 EP 0013917B1 EP 80100131 A EP80100131 A EP 80100131A EP 80100131 A EP80100131 A EP 80100131A EP 0013917 B1 EP0013917 B1 EP 0013917B1
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EP
European Patent Office
Prior art keywords
distance
supporting rail
lock
oblong hole
distance tube
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
Application number
EP80100131A
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German (de)
French (fr)
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EP0013917A1 (en
Inventor
Albert Fink
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Individual
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Individual
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Publication date
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Priority to AT80100131T priority Critical patent/ATE1650T1/en
Publication of EP0013917A1 publication Critical patent/EP0013917A1/en
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Publication of EP0013917B1 publication Critical patent/EP0013917B1/en
Expired legal-status Critical Current

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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00—Coverings or linings, e.g. for walls or ceilings
    • E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
    • E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
    • E04F13/0801—Separate fastening elements
    • E04F13/0803—Separate fastening elements with load-supporting elongated furring elements between wall and covering elements
    • E04F13/0805—Separate fastening elements with load-supporting elongated furring elements between wall and covering elements with additional fastening elements between furring elements and the wall

Definitions

  • the invention relates to a device for fastening a mounting rail or the like.
  • a spacer sleeve At a distance from a wall, in which an expansion dowel with a fastening screw is extended on the end face by means of a spacer sleeve and at the free end of the spacer sleeve carries elements of a closure which carries the mounting rail provided with an opening or the like connects with the spacer sleeve.
  • the closure consists of an end stop collar of the spacer sleeve and a lock nut which is adjustable on a threaded part of the spacer sleeve of the expansion anchor.
  • the expansion anchor is inserted from the front into a hole in the mounting rail or the like until the stop collar is in contact.
  • the lock nut is screwed from the back onto the threaded part of the spacer sleeve and tightened so that the expansion joint is connected to the mounting rail.
  • the opening in the mounting rail or the like Is designed as an elongated hole, the width of which corresponds to the diameter of the spacer sleeve and the expansion dowel outside of its expansion springs, that the closure facing the expansion dowel has a locking web on the Spacer sleeve only protrudes diametrically, the width of which is equal to or less than the width of the elongated hole and the length of which is less than the length of the elongated hole, that the closure turns away from the expansion dowel at an axial distance which corresponds to the thickness of the mounting rail or the like in the area of the elongated hole corresponds to a stop that has a dimension over the entire circumference of the spacer sleeve that is greater than the width of the elongated hole, and that the locking bar of the closure in a predetermined position can be inserted into the opening of the mounting rail or the like and by turning in the screwing direction of the Fixing screw against a stop, A the rail
  • the expansion dowel can be inserted from the front into the opening of the mounting rail and the dowel hole through this design of the closure.
  • the mounting rail or the like is connected to the expansion anchor and this connection is established. Since all measures can be carried out from the front of the mounting rail or the like, assembly with the device according to the invention is made considerably easier.
  • the expansion dowel, the spacer sleeve and the elements of the closure are designed as a one-piece injection-molded plastic part, then only one connector designed in this way and one fastening screw are required for each fastening point.
  • the connector can be inserted into the hole in the wall without difficulty even with insulation of different thicknesses.
  • the distance between the wall and the mounting rail guided with the closure of the connector can be adjusted by varying the depth of immersion of the expansion anchor in this hole.
  • circumferential markings are made in the transition area between the expansion dowel and the spacer sleeve, which are preferably designed as circumferential webs spaced apart from one another.
  • An anti-rotation device with a non-rotatable locking of the connector in the opening of the mounting rail or the like Is obtained according to a further development in that the locking web of the closure with its end faces against heels of the mounting rail or the like can be rotated and clamped, the shoulders through the boundary walls in one Longitudinal direction of the slot extending groove or by webs of the mounting rail or the like extending in the longitudinal direction of the slot are formed.
  • a clear bracing with a defined rotary end position can be achieved in that the end faces of the locking web are inclined so that the distance from the front corner in the screwing direction of the fastening screw to the central axis of the spacer sleeve is smaller than the distance from the rear corner in the screwing direction of the fastening screw the end face to the central axis of the spacer sleeve, the latter distance being greater than half the distance between the shoulders of the mounting rail or the like.
  • a further embodiment provides that the stop of the closure is at least turned towards the free end as an external hexagon.
  • the connector can then be tightened using a socket wrench.
  • a tight cover for the fastening screw can be achieved according to a further embodiment in that the bore extending through the expansion dowel, the spacer sleeve and the closure in the area of the stop for receiving the screw head of a countersunk screw is flared and in a cylindrical end section for receiving a The cap ends.
  • the expansion springs of the expansion anchor and the locking bar of the closure can be inserted into the opening of the mounting rail or the like at the same angular position, according to one embodiment it is provided that the parts of the locking bar protrude from the spacer sleeve in the same directions as the expansion springs of the expansion anchor.
  • the closure of the connector does not impair this fastening if it is provided that the openings in the form of elongated holes for receiving the closure are angled in a U-shape towards the wall Bulge arranged and aligned with their longitudinal axes in the longitudinal direction of the mounting rail.
  • the connector according to the invention consists of an expansion plug 10 known per se, the expansion springs 25 of which assume the tension in the bore in the wall when a fastening screw is screwed into the through bore of the expansion anchor 10.
  • a spacer sleeve 11 is now integrally formed on the end face of the expansion anchor 10 and protrudes more or less from the hole in the wall.
  • the immersion depth of the expansion anchor 10 in the bore of the wall can be read from circumferential markings which are formed at the transition between the expansion anchor 10 and the spacer sleeve 11 as circumferential webs 24 running at a distance from one another.
  • a closure 12 is attached, with which the connector can be fixed axially immovably and non-rotatably at least in the screwing-in direction of the fastening screw in an opening in the mounting rail 30.
  • the support rail 30 is offset from the wall in the middle part in a U-shape, as parts 34, 35 and 36 show.
  • the free flanges 31 and 32 lying in one plane form the fastening surfaces on which the facade panels are fastened.
  • fastening hooks can be hooked in, which hold the facade panels on the mounting rail 30.
  • Elongated holes 37 are made in the transverse part 35 of the U-shaped bulge as openings for receiving the closure 12 of the connector.
  • the width of the elongated holes 37 corresponds to the outer diameter of the spacer sleeve 1 and the expansion plug 10 outside the expansion springs 25.
  • the longitudinal axes of the elongated holes 37 are aligned in the longitudinal direction of the mounting rail 30, so that the mounting rail can carry out compensating movements in the event of temperature differences.
  • the preferably vertically suspended support rail is rigidly connected at one point to the wall at the upper end, so that the fastening points realized with the connector according to the invention only have to absorb the horizontal forces.
  • a groove is made which is continuous in the longitudinal direction and which forms paragraphs 38 and 39 symmetrically to the elongated holes 37.
  • these shoulders 38 and 39 could also be formed by protruding longitudinal webs of the mounting rail 30.
  • the closure 12 comprises a locking web 13 which, as the view according to the figure shows, protrudes diametrically from the spacer sleeve 11.
  • the width of this locking web 13 corresponds to the outer diameter of the spacer sleeve 11 and also the width of the elongated hole 37.
  • the length of the locking web 13 is smaller than the length of the elongated hole 37. With these dimensions, the locking web 13 can only be inserted through the elongated hole 37 in a predetermined position .
  • the longitudinal axis of the locking web 13 must coincide with the longitudinal axis of the elongated hole 37.
  • the spreading springs 25 of the expansion anchor 10 are the same Directions arranged as the parts of the locking web 13, so that the connector can assume the same position when inserting the expansion plug 10 and the locking web 13.
  • the closure 12 is closed by a stop 16, which is designed as an external hexagon 18 at least in the end section.
  • This external hexagon 18 turns the locking web 13 into a stop collar 17 with a round cross section.
  • This stop collar 17 is larger in diameter than the width of the elongated hole 37, so that the connector can never be pushed completely through the elongated hole 37 and has a defined end position.
  • the distance 15 between the locking web 13 and the stop collar 17 is matched to the strength of the mounting rail 30 in the region of the elongated hole 37, so that after the insertion of the locking web 13 into the elongated hole 37 and a rotation of the connector by 90 °, the mounting rail 30 between the Locking web 13 and the stop collar 17 is fixed axially immovable.
  • the end faces 14 of the locking web 13 are inclined so that the distance from the front corner in the screwing-in direction of the fastening screw to the central axis of the spacer sleeve 11 is smaller than the distance from the rear corner of the end face 14 in the screwing-in direction of the fastening screw to the central axis of the spacer sleeve 11, the latter distance being greater than half the distance between the paragraphs 38 and 39 of the mounting rail 30.
  • the locking web 13 is screwed between the paragraphs 38 and 39 of the mounting rail 30 by rotation in the screwing-in direction of the fastening screw can be clamped in between so that the connector assumes a defined end position in the screwing direction.
  • This tensioning of the connector can take place by means of a socket wrench which is plugged onto the external hexagon 18.
  • the support rail 30 therefore assumes a defined position at the end of the connector and can be adjusted in a wide range at a distance from the wall by selecting the immersion depth of the expansion anchor 10 in the bore of the wall.
  • a countersunk screw is screwed in as a fastening screw into the bore 23 passing through the closure 12, the spacer sleeve 11 and the expansion dowel 10.
  • the spreading springs 25 spread and fix the expansion dowel 10 immovably and non-rotatably in the hole in the wall. However, this also fixes and holds the set distance between the wall and the mounting rail 30.
  • the head of the countersunk screw is received by the conical extension 19 at the end of the bore 23. This extension 19 ends in a cylindrical end portion 20 into which a closure cap 21 can be inserted in order to cover the fastening screw tightly.
  • the elements of the closure 12 are so simple that they can also be integrally formed on the connector without difficulty.
  • the opening in the mounting rail 30 is also easy to introduce.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Finishing Walls (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Connection Of Plates (AREA)

Abstract

1. Device for fastening a supporting rail (39) or the like at a distance from a wall, for which a straddling dowel (10) with fastening screw is lengthened at its front end by means of a distance tube (11) and holds at the free end of the distance tube (11) element of a lock (12) connecting the supporting rail (30) equipped with an opening (37) or the like with the distance tube (11), characterized by the facts that the opening in the supporting rail (30) or the like is designed as oblong hole (37) the breadth of which corresponds to the diameter of the distance tube (11) and the straddling dowel (10) outside its stradding tongues (25), that towards the straddling dowel (10), the lock (12) is equipped witha locking web (13) protruding only diametrically at the distance tube (11), the breadth of which is equal to or smaller than the breadth of the oblong hole (37) and the length of which is smaller than the length of the oblong hole (37), that away from the straddling dowel (10), at an axial distance corresponding to the strength of the supporting rail (30) or the like near the oblong hole (37), the lock (12) is equipped with a stop (16), the dimensions of which over the entire circumference of the distance tube (11) are superior to the breadth of the oblong hole (37), and that in given position the locking web (13) of the lock (12) can be inserted into the opening of the supporting rail (30) or the like and secured in place by turning round in screwing-in direction of the fastening screw, agains a stop, step or the like of the supporting rail (30) or the like and fixed in a locking position.

Description

Die Erfindung betrifft eine Vorrichtung zum Befestigen einer Tragschiene oder dgl. im Abstand zu einer Wand, bei der ein Spreizdübel mit Befestigungsschraube stirnseitig mittels einer Abstandshülse verlängert ist und am freien Ende der Abstandshülse Elemente eines Verschlusses trägt, welcher die mit einem Durchbruch versehene Tragschiene oder dgl. mit der Abstandshülse verbindet.The invention relates to a device for fastening a mounting rail or the like. At a distance from a wall, in which an expansion dowel with a fastening screw is extended on the end face by means of a spacer sleeve and at the free end of the spacer sleeve carries elements of a closure which carries the mounting rail provided with an opening or the like connects with the spacer sleeve.

Eine derartige Vorrichtung ist durch das DE-U 77 27 709 bekannt. Bei dieser bekannten Vorrichtung besteht der Verschluß aus einem stirnseitigen Anschlagbund der Abstandshülse und einer Kontermutter, welche auf einem Gewindeteil der Abstandshülse des Spreizdübels verstellbar ist. Der Spreizdübel wird von der Vorderseite aus so weit in eine Bohrung der Tragschiene oder dgl. eingesteckt, bis der Anschlagbund anliegt. Dann wird die Kontermutter von der Rückseite her auf das Gewindeteil der Abstandshülse aufgeschraubt und festgezogen, so daß der Spreizdübei mit der Tragschiene verbunden ist.Such a device is known from DE-U 77 27 709. In this known device, the closure consists of an end stop collar of the spacer sleeve and a lock nut which is adjustable on a threaded part of the spacer sleeve of the expansion anchor. The expansion anchor is inserted from the front into a hole in the mounting rail or the like until the stop collar is in contact. Then the lock nut is screwed from the back onto the threaded part of the spacer sleeve and tightened so that the expansion joint is connected to the mounting rail.

Mit dieser bekannten Vorrichtung ist das Befestigen einer Tragschiene oder dgl. im Abstand zu einer Wand schwierig, sowie arbeits- und zeitaufwendig. Das Einführen der Spreizdübel in die Bohrung der Tragschiene, das anschließende Aufschrauben und Festziehen der Kontermutter in Verbindung mit dem Einführen des Spreizdübels in das Dübelloch ist besonders dann schwierig, wenn die Tragschiene oder dgl. mittels mehrerer derartiger Vorrichtungen an mehreren Stellen an der Wand befestigt werden muß und einen Teil der Befestigungsstellen schon angebracht sind.With this known device, the fastening of a mounting rail or the like at a distance from a wall is difficult, as well as labor and time consuming. The insertion of the expansion dowels into the bore of the mounting rail, the subsequent screwing and tightening of the lock nut in connection with the insertion of the expansion dowel into the dowel hole is particularly difficult when the mounting rail or the like is fastened to the wall at several points by means of several such devices must and some of the attachment points are already attached.

Es ist Aufgabe der Erfindung, eine Vorrichtung zum Befestigen einer Tragschiene oder dgl. im Abstand zu einer Wand der eingangs erwähnten Art zu schaffen, mit wesentlich weniger Arbeits-und Zeitaufwand bei der Montage auskommt und vor allen Dingen die Verbindung zwischen der Tragschiene oder dgl. und den Spreizdübeln wesentlich erleichtert.It is an object of the invention to provide a device for fastening a mounting rail or the like at a distance from a wall of the type mentioned at the outset, which requires considerably less work and time during assembly and, above all, the connection between the mounting rail or the like. and the expansion anchors much easier.

Diese Aufgabe wird nach der Erfindung dadurch gelöst, daß der Durchbruch in der Tragschiene oder dgl. als Langloch ausgebildet ist, dessen Breite dem Durchmesser der Abstandshülse und des Spreizdübels außerhalb seiner Spreizfedern entspricht, daß der Verschluß dem Spreizdübel zugekehrt einen Verriegelungssteg aufweist, der an der Abstandshülse nur diametral absteht, dessen Breite gleich oder kleiner ist als die Breite des Langloches und dessen Länge kleiner ist als die Länge des Langloches, daß der Verschluß dem Spreizdübel abgekehrt in einem axialen Abstand, der der Stärke der Tragschiene oder dgl. im Bereich des Langloches entspricht, einen Anschlag aufweist, der über den gesamten Umfang der Abstandshülse eine Abmessung hat, die größer ist als die Breite des Langloches, und daß der Verriegelungssteg des Verschlusses in vorgegebener Stellung in den Durchbruch der Tragschiene oder dgl. einführbar und durch Verdrehen in Einschraubrichtung der Befestigungsschraube gegen einen Anschlag, Absatz oder dgl. der Tragschiene oder dgl. verspannbar und in einer Verriegelungsstellung festlegbar ist.This object is achieved according to the invention in that the opening in the mounting rail or the like. Is designed as an elongated hole, the width of which corresponds to the diameter of the spacer sleeve and the expansion dowel outside of its expansion springs, that the closure facing the expansion dowel has a locking web on the Spacer sleeve only protrudes diametrically, the width of which is equal to or less than the width of the elongated hole and the length of which is less than the length of the elongated hole, that the closure turns away from the expansion dowel at an axial distance which corresponds to the thickness of the mounting rail or the like in the area of the elongated hole corresponds to a stop that has a dimension over the entire circumference of the spacer sleeve that is greater than the width of the elongated hole, and that the locking bar of the closure in a predetermined position can be inserted into the opening of the mounting rail or the like and by turning in the screwing direction of the Fixing screw against a stop, A the rail or the like. Can be braced and fixed in a locking position.

Der Spreizdübel kann durch diese Ausbildung des Verschlusses von der Vorderseite her in den Durchbruch der Tragschiene und das Dübelloch eingeführt werden. Durch einfaches Verdrehen des Spreizdübels wird dabei die Tragschiene oder dgl. mit dem Spreizdübel verbunden und diese Verbindung festgelegt. Da alle Maßnahmen von der Vorderseite der Tragschiene oder dgl. aus ausführbar sind, wird die Montage mit der erfindungsgemäßen Vorrichtung wesentlich erleichtert.The expansion dowel can be inserted from the front into the opening of the mounting rail and the dowel hole through this design of the closure. By simply turning the expansion anchor, the mounting rail or the like is connected to the expansion anchor and this connection is established. Since all measures can be carried out from the front of the mounting rail or the like, assembly with the device according to the invention is made considerably easier.

Wird dabei vorgesehen, daß der Spreizdübel die Abstandshülse und die Elemente des Verschlusses als einteiliges Kunststoffspritzgußteil ausgebildet sind, dann wird pro Befestigungsstelle nur ein so gestalteter Verbinder und eine Befestigungsschraube benötigt. Der Verbinder kann auch bei unterschiedlich starker Isolierung ohne Schwierigkeiten in die in die Wand eingebrachte Bohrung eingeführt werden. Dabei kann durch unterschiedliche Eintauchtiefe des Spreizdübels in diese Bohrung der Abstand zwischen der Wand und der mit dem Verschluß des Verbinders geführten Tragschiene einjustiert werden. Mit dem Einschrauben der Befestigungsschraube wird die Stellung des Verbinders in der Bohrung durch Spreizen der Spreizfedern des Spreizdübels eindeutig festgelegt und damit der einjustierte Abstand festgehalten.If it is provided that the expansion dowel, the spacer sleeve and the elements of the closure are designed as a one-piece injection-molded plastic part, then only one connector designed in this way and one fastening screw are required for each fastening point. The connector can be inserted into the hole in the wall without difficulty even with insulation of different thicknesses. The distance between the wall and the mounting rail guided with the closure of the connector can be adjusted by varying the depth of immersion of the expansion anchor in this hole. When the fastening screw is screwed in, the position of the connector in the bore is clearly defined by spreading the expansion springs of the expansion anchor and thus the adjusted distance is recorded.

Damit am Verbinder direkt die Eintauchtiefe in die Bohrung der Wand abgelesen werden kann, ist nach einer Ausgestaltung vorgesehen, daß im Übergangsbereich zwischen dem Spreizdübel und der Abstandshülse umfangsseitige Markierungen angebracht sind, die vorzugsweise als im Abstand zueinander verlaufende Umfangsstege ausgebildet sind.So that the immersion depth can be read directly into the hole in the wall of the connector, according to one embodiment it is provided that circumferential markings are made in the transition area between the expansion dowel and the spacer sleeve, which are preferably designed as circumferential webs spaced apart from one another.

Eine Verdrehsicherung mit einer unverdrehbaren Arretierung des Verbinders im Durchbruch der Tragschiene oder dgl. wird nach einer Weiterbildung dadurch erhalten, daß der Verriegelungssteg des Verschlusses mit seinen Stirnffächen gegen Absätze der Tragschiene oder dgl. verdrehbar und verspannbar ist, wobei die Absätze durch die Begrenzungswände einer in Längsrichtung des Langloches verlaufenden Nut bzw. durch in Längsrichtung des Langloches verlaufende Stege der Tragschiene oder dgl. gebildet sind.An anti-rotation device with a non-rotatable locking of the connector in the opening of the mounting rail or the like. Is obtained according to a further development in that the locking web of the closure with its end faces against heels of the mounting rail or the like can be rotated and clamped, the shoulders through the boundary walls in one Longitudinal direction of the slot extending groove or by webs of the mounting rail or the like extending in the longitudinal direction of the slot are formed.

Eine eindeutige Verspannung mit einer definierten Drehendstellung läßt sich dabei dadurch erreichen, daß die Stirnflächen des Verriegelungssteges so geneigt sind, daß der Abstand der in Einschraubrichtung der Befestigungsschraube vorderen Ecke zur Mittelachse der Abstandshülse kleiner ist als der Abstand der in Einschraubrichtung der Befestigungsschraube hinteren Ecke der Stirnfläche zur Mittelachse der Abstandshülse, wobei der letztgenannte Abstand größer ist als der halbe Abstand zwischen den Absätzen der Tragschiene oder dgl.A clear bracing with a defined rotary end position can be achieved in that the end faces of the locking web are inclined so that the distance from the front corner in the screwing direction of the fastening screw to the central axis of the spacer sleeve is smaller than the distance from the rear corner in the screwing direction of the fastening screw the end face to the central axis of the spacer sleeve, the latter distance being greater than half the distance between the shoulders of the mounting rail or the like.

Damit der Verbinder leicht in die verspannte Drehendstellung gebracht werden kann, sieht eine weitere Ausgestaltung vor, daß der Anschlag des Verschlusses zumindest dem freien Ende zugekehrt als Außensechskant ausgebildet ist. Der Verbinder kann dann mit Hilfe eines Steckschlüssels festgezogen werden.In order that the connector can be easily brought into the tensioned rotary end position, a further embodiment provides that the stop of the closure is at least turned towards the free end as an external hexagon. The connector can then be tightened using a socket wrench.

Der axiale Halt des Verbinders im Durchbruch der Tragschiene oder dgl. wird dadurch unabhängig von dessen Drehstellung sichergestellt, daß der als Außensechskant ausgebildete Anschlag dem Verriegelungssteg zugekehrt in einen Anschlagbund mit rundem Querschnitt übergeht. Eine dichte Abdeckung für die Befestigungsschraube läßt sich nach einer weiteren Ausgestaltung dadurch erreichen, daß sich die durch den Spreizdübel, die Abstandshülse und den Verschluß erstreckende Bohrung im Bereich des Anschlages zur Aufnahme des Schraubenkopfes einer Senkkopfschraube konisch erweitert und in einem zylindrischen Endabschnitt für die Aufnahme einer Verschlußkappe endet.The axial hold of the connector in the opening of the mounting rail or the like is ensured regardless of its rotational position that the stop designed as an external hex turns the locking web into a stop collar with a round cross section. A tight cover for the fastening screw can be achieved according to a further embodiment in that the bore extending through the expansion dowel, the spacer sleeve and the closure in the area of the stop for receiving the screw head of a countersunk screw is flared and in a cylindrical end section for receiving a The cap ends.

Damit die Spreizfedern des Spreizdübels und der Verriegelungssteg des Verschlusses in gleicher Winkelstellung in den Durchbruch der Tragschiene oder dgl. eingeführt werden können, ist nach einer Ausgestaltung vorgesehen, daß die Teile des Verriegelungssteges in gleichen Richtungen an der Abstandshülse abstehen, wie die Spreizfedern des Spreizdübels.So that the expansion springs of the expansion anchor and the locking bar of the closure can be inserted into the opening of the mounting rail or the like at the same angular position, according to one embodiment it is provided that the parts of the locking bar protrude from the spacer sleeve in the same directions as the expansion springs of the expansion anchor.

Bei einer Fassadenverkleidung, bei der die Fassadenplatten auf der Vorderseite der Tragschiene aufliegend befestigt werden, beeinträchtigt der Verschluß des Verbinders diese Befestigung dann nicht, wenn vorgesehen ist, daß die als Langlöcher ausgebildeten Durchbrüche der Aufnahme des Verschlusses in einer U-förmig zur Wand hin abgewinkelten Ausbuchtung angeordnet und mit ihren Längsachsen in Längsrichtung der Tragschiene ausgerichtet sind.In the case of facade cladding, in which the facade panels are fastened lying on the front of the mounting rail, the closure of the connector does not impair this fastening if it is provided that the openings in the form of elongated holes for receiving the closure are angled in a U-shape towards the wall Bulge arranged and aligned with their longitudinal axes in the longitudinal direction of the mounting rail.

Die Erfindung wird anhand eines in den Zeichnungen dargestellten Ausführungsbeispiels näher erläutert. Es zeigen :

  • Figur 1 in Seitenansicht und teilweise im Schnitt den erfindungsgemäßen einteiligen Verbinder, der aus Spreizdübel, Abstandshülse und Verschluß besteht,
  • Figur 2 die Draufsicht auf den Anschlag des Verschlusses,
  • Figur 3 einen Schnitt entlang der Linie 111-111 durch den Verbinder nach Figur 1,
  • Figur 4 im Querschnitt eine Tragschiene und
  • Figur 5 einen Teilabschnitt der Tragschiene mit einem Langloch zum Festlegen des Verbinders nach Figur 1 in Draufsicht.
The invention is explained in more detail using an exemplary embodiment shown in the drawings. Show it :
  • 1 in side view and partly in section, the one-piece connector according to the invention, which consists of expansion dowel, spacer sleeve and closure,
  • FIG. 2 shows the top view of the stop of the closure,
  • FIG. 3 shows a section along line 111-111 through the connector according to FIG. 1,
  • Figure 4 in cross section a mounting rail and
  • Figure 5 shows a partial section of the mounting rail with an elongated hole for fixing the connector of Figure 1 in plan view.

Wie die Figuren 1 bis 3 zeigen, besteht der erfindungsgemäße Verbinder aus einem an sich bekannten Spreizdübel 10, dessen Spreizfedern 25 beim Einschrauben einer Befestigungsschraube in die durchgehende Bohrung des Spreizdübels 10 die Verspannung in der Bohrung der Wand übernehmen.As shown in FIGS. 1 to 3, the connector according to the invention consists of an expansion plug 10 known per se, the expansion springs 25 of which assume the tension in the bore in the wall when a fastening screw is screwed into the through bore of the expansion anchor 10.

An die Stirnseite des Spreizdübels 10 ist nun eine Abstandshülse 11 einstückig angeformt, die mehr oder weniger aus der Bohrung in der wand herausragt. Die Eintauchtiefe des Spreizdübels 10 in die Bohrung der Wand kann an umfangsseitigen Markierungen abgelesen werden, die am Übergang zwischen dem Spreizdübel 10 und der Abstandshülse 11 als im Abstand zueinander verlaufende Umfangsstege 24 ausgebildet sind.A spacer sleeve 11 is now integrally formed on the end face of the expansion anchor 10 and protrudes more or less from the hole in the wall. The immersion depth of the expansion anchor 10 in the bore of the wall can be read from circumferential markings which are formed at the transition between the expansion anchor 10 and the spacer sleeve 11 as circumferential webs 24 running at a distance from one another.

Am freien Ende der Abstandshülse 11 ist ein Verschluß 12 angebracht, mit dem der Verbinder axial unverschiebbar und zumindest in der Einschraubrichtung der Befestigungsschraube unverdrehbar in einem Durchbruch der Tragschiene 30 festgelegt werden kann. Wie die Figuren 4 und 5 zeigen, ist bei einer Fassadenverkleidung die Tragschiene 30 im mittleren Teil U-förmig zur Wand abgesetzt, wie die Teile 34, 35 und 36 zeigen. Die freien, in einer Ebene liegenden Flansche 31 und 32 bilden die Befestigungsflächen, auf denen die Fassadenplatten befestigt werden. Wie der tropfenförmige Durchbruch 33 in dem Flansch 32 erkennen läßt, können Befestigungshaken eingehängt werden, die die Fassadenplatten an der Tragschiene 30 festhalten.At the free end of the spacer sleeve 11, a closure 12 is attached, with which the connector can be fixed axially immovably and non-rotatably at least in the screwing-in direction of the fastening screw in an opening in the mounting rail 30. As FIGS. 4 and 5 show, in the case of a facade cladding, the support rail 30 is offset from the wall in the middle part in a U-shape, as parts 34, 35 and 36 show. The free flanges 31 and 32 lying in one plane form the fastening surfaces on which the facade panels are fastened. As the teardrop-shaped opening 33 in the flange 32 reveals, fastening hooks can be hooked in, which hold the facade panels on the mounting rail 30.

In dem Querteil 35 der U-förmigen Ausbuchtung sind Langlöcher37 als Durchbrüche zur Aufnahme des Verschlusses 12 des Verbinders eingebracht. Die Breite der Langlöcher37 entspricht dem Außendurchmesser der Abstandshülse 1 und des Spreizdübels 10 außerhalb der Spreizfedern 25. Die Längsachsen der Langiöcher37 sind in die Längsrichtung der Tragschiene 30 ausgerichtet, so daß an den Befestigungsstellen die Tragschiene Ausgleichsbewegungen bei Temperaturunterschieden ausführen kann. Die vorzugsweise vertikal aufgehängte Tragschiene ist am oberen Ende an einer Stelle starr mit der Wand verbunden, so daß die mit dem erfindungsgemäßen Verbinder realisierten Befestigungsstellen nur die horizontalen Kräfte aufnehmen müssen.Elongated holes 37 are made in the transverse part 35 of the U-shaped bulge as openings for receiving the closure 12 of the connector. The width of the elongated holes 37 corresponds to the outer diameter of the spacer sleeve 1 and the expansion plug 10 outside the expansion springs 25. The longitudinal axes of the elongated holes 37 are aligned in the longitudinal direction of the mounting rail 30, so that the mounting rail can carry out compensating movements in the event of temperature differences. The preferably vertically suspended support rail is rigidly connected at one point to the wall at the upper end, so that the fastening points realized with the connector according to the invention only have to absorb the horizontal forces.

Auf der der Wand zugekehrten Seite des Querteils 35 ist eine in Längsrichtung durchgehende Nut eingebracht, die symmetrisch zu den Langlöchern 37 Absätze 38 und 39 bildet. Diese Absätze 38 und 39 könnten jedoch auch durch abstehende Längsstege der Tragschiene 30 gebildet werden.On the side of the transverse part 35 facing the wall, a groove is made which is continuous in the longitudinal direction and which forms paragraphs 38 and 39 symmetrically to the elongated holes 37. However, these shoulders 38 and 39 could also be formed by protruding longitudinal webs of the mounting rail 30.

Der Verschluß 12 umfaßt einen Verriegelungssteg 13, der wie die Ansicht nach Figur erkennen läßt, an der Abstandshülse 11 diametral absteht. Die Breite dieses Verriegelungssteges 13 entspricht dem Außehdurchmesser der Abstandshülse 11 und auch der Breite des Langloches 37. Die Länge des Verriegelungssteges 13 ist kleiner als die Länge des Langloches 37. Bei diesen Abmessungen kann der Verriegelungssteg 13 nur in vorgegebener Stellung durch das Langloch 37 eingeführt werden. Dabei muß die Längsachse des Verriegelungssteges 13 mit der Längsachse des Langloches 37 zusammenfallen. Die Spreizfedern 25 des Spreizdübels 10 sind in gleichen Richtungen angeordnet, wie die Teile des Verriegelungssteges 13, so daß der Verbinder beim Einführen des Spreizdübels 10 und des Verriegelungssteges 13 die gleiche Stellung einnehmen kann.The closure 12 comprises a locking web 13 which, as the view according to the figure shows, protrudes diametrically from the spacer sleeve 11. The width of this locking web 13 corresponds to the outer diameter of the spacer sleeve 11 and also the width of the elongated hole 37. The length of the locking web 13 is smaller than the length of the elongated hole 37. With these dimensions, the locking web 13 can only be inserted through the elongated hole 37 in a predetermined position . The longitudinal axis of the locking web 13 must coincide with the longitudinal axis of the elongated hole 37. The spreading springs 25 of the expansion anchor 10 are the same Directions arranged as the parts of the locking web 13, so that the connector can assume the same position when inserting the expansion plug 10 and the locking web 13.

Im Abstand von dem Verriegelungssteg 13 ist der Verschluß 12 durch einen Anschlag 16 abgeschlossen, der zumindest im Endabschnitt als Außensechskant 18 ausgebildet ist. Dieser Außensechskant 18 geht dem Verriegelungssteg 13 zugekehrt in einen Anschlagbund 17 mit rundem Querschnitt über. Dieser Anschlagbund 17 ist im Durchmesser größer als die Breite des Langloches 37, so daß der Verbinder nie ganz durch das Langloch 37 geschoben werden kann und eine definierte Endstellung hat. Der Abstand 15 zwischen dem Verriegelungssteg 13 und dem Anschlagbund 17 ist auf die Stärke der Tragschiene 30 im Bereich des Langloches 37 abgestimmt, so daß nach dem Einführen des Verriegelungssteges 13 in das Langloch 37 und einer Verdrehung des Verbinders um 90° die Tragschiene 30 zwischen dem Verriegelungssteg 13 und dem Anschlagbund 17 axial unverschiebbar festgelegt ist.At a distance from the locking web 13, the closure 12 is closed by a stop 16, which is designed as an external hexagon 18 at least in the end section. This external hexagon 18 turns the locking web 13 into a stop collar 17 with a round cross section. This stop collar 17 is larger in diameter than the width of the elongated hole 37, so that the connector can never be pushed completely through the elongated hole 37 and has a defined end position. The distance 15 between the locking web 13 and the stop collar 17 is matched to the strength of the mounting rail 30 in the region of the elongated hole 37, so that after the insertion of the locking web 13 into the elongated hole 37 and a rotation of the connector by 90 °, the mounting rail 30 between the Locking web 13 and the stop collar 17 is fixed axially immovable.

Die Stirnflächen 14 des Verriegelungssteges 13 sind, wie Figur 2 zeigt, so geneigt, daß der Abstand der in Einschraubrichtung der Befestigungsschraube vorderen Ecke zur Mittelachse der Abstandshülse 11 kleiner ist als der Abstand der in Einschraubrichtung der Befestigungsschraube hinteren Ecke der Stirnfläche 14 zur Mittelachse der Abstandshülse 11, wobei der letztgenannte Abstand größer ist als der halbe Abstand zwischen den Absätzen 38 und 39 der Tragschiene 30. Auf diese Weise wird erreicht, daß der Verriegelungssteg 13 durch Verdrehung in der Einschraubrichtung der Befestigungsschraube zwischen die Absätze 38 und 39 der Tragschiene 30 eingedreht und dazwischen so verspannt werden kann, daß der Verbinder in Einschraubrichtung eine definierte Endstellung einnimmt. Diese Verspannung des Verbinders kann mittels eines auf den Außensechskant 18 aufgesteckten Steckschlüssels erfolgen. Die Tragschiene 30 nimmt daher am Ende des Verbinders eine definierte Stellung ein und kann durch Wahl der Eintauchtiefe des Spreizdübels 10 in die Bohrung der Wand in weitem Bereich im Abstand zur Wand eingestellt werden. Nach dem Einjustieren des gewünschten Abstandes wird eine Senkkopfschraube als Befestigungsschraube in die durch den Verschluß 12, die Abstandshülse 11 und den Spreizdübel 10 hindurchgehende Bohrung 23 eingedreht. Dabei spreizen sich die Spreizfedern 25 und legen den Spreizdübel 10 unverschiebbar und unverdrehbar in der Bohrung der Wand fest. Damit ist jedoch auch der eingestellte Abstand zwischen der Wand und der Tragschiene 30 fixiert und festgehalten. Der Kopf der Senkkopfschraube wird von der konischen Erweiterung 19 am Ende der Bohrung 23 aufgenommen. Diese Erweiterung 19 endet in einem zylindrischen Endabschnitt 20, in den eine Verschlußkappe 21 eingesteckt werden kann, um die Befestigungsschraube dicht abzudecken.As shown in FIG. 2, the end faces 14 of the locking web 13 are inclined so that the distance from the front corner in the screwing-in direction of the fastening screw to the central axis of the spacer sleeve 11 is smaller than the distance from the rear corner of the end face 14 in the screwing-in direction of the fastening screw to the central axis of the spacer sleeve 11, the latter distance being greater than half the distance between the paragraphs 38 and 39 of the mounting rail 30. In this way it is achieved that the locking web 13 is screwed between the paragraphs 38 and 39 of the mounting rail 30 by rotation in the screwing-in direction of the fastening screw can be clamped in between so that the connector assumes a defined end position in the screwing direction. This tensioning of the connector can take place by means of a socket wrench which is plugged onto the external hexagon 18. The support rail 30 therefore assumes a defined position at the end of the connector and can be adjusted in a wide range at a distance from the wall by selecting the immersion depth of the expansion anchor 10 in the bore of the wall. After adjusting the desired distance, a countersunk screw is screwed in as a fastening screw into the bore 23 passing through the closure 12, the spacer sleeve 11 and the expansion dowel 10. The spreading springs 25 spread and fix the expansion dowel 10 immovably and non-rotatably in the hole in the wall. However, this also fixes and holds the set distance between the wall and the mounting rail 30. The head of the countersunk screw is received by the conical extension 19 at the end of the bore 23. This extension 19 ends in a cylindrical end portion 20 into which a closure cap 21 can be inserted in order to cover the fastening screw tightly.

Bei dem Ausführungsbeispiel sind die Elemente des Verschlusses 12 so einfach, daß sie auch ohne Schwierigkeiten einstückig an dem Verbinder angeformt sein können. Auch der Durchbruch in der Tragschiene 30 ist einfach einzubringen.In the exemplary embodiment, the elements of the closure 12 are so simple that they can also be integrally formed on the connector without difficulty. The opening in the mounting rail 30 is also easy to introduce.

Claims (10)

1. Device for fastening a supporting rail (39) or the like at a distance from a wall, for which a straddling dowel (10) with fastening screw is lengthened at its front end by means of a distance tube (11) and holds at the free end of the distance tube (11) elements of a lock (12) connecting the supporting rail (30) equipped with an opening (37) or the like with the distance tube (11), characterized by the facts
that the opening in the supporting rail (30) or the like is designed as oblong hole (37) the breadth of which corresponds to the diameter of the distance tube (11) and the straddling dowel (10) outside its straddling tongues (25),
that towards the straddling dowel (10), the lock (12) is equipped with a locking web (13) protruding only diametrically at the distance tube (11), the breadth of which is equal to or smaller than the breadth of the oblong hole (37) and the length of which is smaller than the length of the oblong hole (37),
that away from the straddling dowel (10), at an axial distance corresponding to the strength of the supporting rail (30) or the like near the oblong hole (37), the lock (12) is equipped with a stop (16), the dimensions of which over the entire circumference of the distance tube (11) are superior to the breadth of the oblong hole (37), and
that in given position the locking web (13) of the lock (12) can be inserted into the opening of the supporting rail (30) or the like and secured in place by turning round in screwing-in direction of the fastening screw, against a stop, step or the like of the supporting rail (30) or the like and fixed in a locking position.
2. Device according to claim 1, characterized by the fact that the straddling dowel (19), the distance tube (11) and the elements of the lock (12) are designed as one-piece plastic injection- moulded part.
3. Device according to claim 1 or 2, characterized by the fact that in the transition region between straddling dowel (10) and distance tube (11) the circumference is provided with marks, which are preferably designed as circumferential webs (24) running at a distance to one another.
4. Device according to one of the claims 1 to 3, characterized by the fact that the locking web (13) of the lock (12) can be turned round and secured in place with its front ends (14) against steps (38, 39) of the supporting rail (30) or the like, the steps being produced by the walls of a groove running lengthwise of the oblong hole (37) or by webs of the supporting rail (30) or the like running lengthwise of the oblong hole (37).
5. Device according to claim 4, characterized by the fact that the front ends (14) of the locking web (13) have such an inclination that the distance between the front edge in screwing-in direction of the fastening screw and the central axis of the distance tube (11) is smaller than the distance between the rear edge of the front end (14) in screwing-in direction of the fastening screw and the central axis of the distance tube (11), the last-mentioned distance being superior to half the distance between the steps (38, 39) of the supporting rail (30) or the like.
6. Device according to one of the claims 1 to 5, characterized by the fact that the stop (16) of the lock (12) is designed as hexagon head (18) at least towards its free end.
7. Device according to claim 6, characterized by the fact that the stop (16) designed as hexagon head (18) turns into a stop collar (17) with round cross-section towards the locking web (13).
8. Device according to one of the claims 1 to 7, characterized by the fact that the bore (23) through straddling dowel (10), distance tube (11) and lock (12) is conically enlarged near the stop (16) in order to hold the screw head of a countersunk screw and ends in a cylindrical end section (20) in order to hold a screw-cap (21).
9. Device according to one of the claims 1 to 8, characterized by the fact that the parts of the locking web (13) protrude at the distance tube (11) in the same directions as the straddling tongues (25) of the straddling dowel (10).
10. Device according to one of the claims 1 to 9, for fixing a supporting rail for a facing made up of fibre-boards, characterized by the fact that the openings for holding the lock (12) designed as oblong holes (37) are arranged in a groove, which is turned with its angles towards the wall in U-shape, and brought into longitudinal direction of the supporting rail (39) with their longitudinal axes.
EP80100131A 1979-01-26 1980-01-11 Device for fastening a carrying rail or the like at distance to a wall Expired EP0013917B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT80100131T ATE1650T1 (en) 1979-01-26 1980-01-11 DEVICE FOR ATTACHING A MOUNTING RAIL OR LIKE. DISTANCED FROM A WALL.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2902969A DE2902969C2 (en) 1979-01-26 1979-01-26 Substructure for fastening facade panels at a distance from a wall
DE2902969 1979-01-26

Publications (2)

Publication Number Publication Date
EP0013917A1 EP0013917A1 (en) 1980-08-06
EP0013917B1 true EP0013917B1 (en) 1982-10-13

Family

ID=6061436

Family Applications (1)

Application Number Title Priority Date Filing Date
EP80100131A Expired EP0013917B1 (en) 1979-01-26 1980-01-11 Device for fastening a carrying rail or the like at distance to a wall

Country Status (3)

Country Link
EP (1) EP0013917B1 (en)
AT (1) ATE1650T1 (en)
DE (1) DE2902969C2 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2939117C2 (en) * 1979-09-27 1985-12-05 Ickler AG, La Chaux-de-Fonds Plastic expansion anchor
DE3029062A1 (en) * 1980-07-31 1982-02-18 Reinwarth, Klaus, 7244 Waldachtal ROD-SHAPED SUPPORT ELEMENT FOR A CLEANING SUPPORT
DE3128093A1 (en) * 1981-07-16 1983-02-03 Artur Dr.H.C. 7244 Waldachtal Fischer FASTENING ELEMENT FOR FASTENING A WIRE GRID
DE3248102A1 (en) * 1982-12-24 1984-06-28 Artur Dr.H.C. 7244 Waldachtal Fischer SPREADING DOWEL FOR FASTENING OBJECTS
DE3302272A1 (en) * 1983-01-25 1984-07-26 Alfred 8561 Offenhausen Blos TOOLS FOR QUICK LEVELING OF SUBSTRUCTIONS FOR CEILING AND WALL PANELING
DE3910702A1 (en) * 1989-04-03 1990-10-04 Guenter Oldendorf MULTI-PIECE DOWEL
CN110079979B (en) * 2019-04-30 2022-05-20 无锡小天鹅电器有限公司 Track assembly and clothes treatment equipment

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE755236A (en) * 1969-08-27 1971-02-01 Teleky Gyula SUPPORT CONSTRUCTION FOR FIXING THE WALL CLADDING PLATES
DE7023794U (en) * 1970-06-25 1970-11-26 Prinz H DEVICE FOR FASTENING AND HOLDING PLATE-SHAPED OBJECTS
DE2045504A1 (en) * 1970-09-05 1972-03-16 Fassaplast Fassadenverkleidung Gmbh & Co Produktions- Und Vertriebs-Kg, 1000 Berlin Fastening cladding panels to structural walls
DE2430217C2 (en) * 1974-06-24 1984-04-12 Upat Gmbh & Co, 7830 Emmendingen Plastic dowel with extended shaft and impact lock
DE2457499A1 (en) * 1974-12-05 1976-06-10 Upat Max Langensiepen Kg Panel spreader plug fixture - radially projecting ledge on compressible extension socket exterior
DE7627754U1 (en) * 1976-09-04 1977-01-27 Eberhard Jaeger Kg, 5928 Laasphe FASTENING ELEMENT FOR WALL AND ROOF CLADDING
DE2714503C2 (en) * 1977-04-01 1983-05-26 Anton 8500 Nürnberg Gerhard Expansion dowel for spacing a component
DE7714593U1 (en) * 1977-05-07 1978-01-19 Thyrann, Gerhard ALUMINUM FACADE PROFILE
DE7727709U1 (en) * 1977-09-05 1978-03-30 Karras, Joerg, 1000 Berlin HOLDING ELEMENT

Also Published As

Publication number Publication date
EP0013917A1 (en) 1980-08-06
DE2902969C2 (en) 1983-03-17
DE2902969A1 (en) 1980-07-31
ATE1650T1 (en) 1982-10-15

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