EP2950978B1 - Clamp connector - Google Patents

Clamp connector Download PDF

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Publication number
EP2950978B1
EP2950978B1 EP14704546.2A EP14704546A EP2950978B1 EP 2950978 B1 EP2950978 B1 EP 2950978B1 EP 14704546 A EP14704546 A EP 14704546A EP 2950978 B1 EP2950978 B1 EP 2950978B1
Authority
EP
European Patent Office
Prior art keywords
rail
insertion channel
cross
housing
section
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP14704546.2A
Other languages
German (de)
French (fr)
Other versions
EP2950978A1 (en
Inventor
Zbigniew Noniewicz
Hans-Jürgen Schüller
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.)
Wolfcraft GmbH
Original Assignee
Wolfcraft GmbH
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Filing date
Publication date
Application filed by Wolfcraft GmbH filed Critical Wolfcraft GmbH
Publication of EP2950978A1 publication Critical patent/EP2950978A1/en
Application granted granted Critical
Publication of EP2950978B1 publication Critical patent/EP2950978B1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B5/00—Clamps
    • B25B5/003—Combinations of clamps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B5/00—Clamps
    • B25B5/06—Arrangements for positively actuating jaws
    • B25B5/068—Arrangements for positively actuating jaws with at least one jaw sliding along a bar
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B5/00—Clamps
    • B25B5/06—Arrangements for positively actuating jaws
    • B25B5/10—Arrangements for positively actuating jaws using screws
    • B25B5/102—Arrangements for positively actuating jaws using screws with at least one jaw sliding along a bar
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B5/00—Clamps
    • B25B5/16—Details, e.g. jaws, jaw attachments
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/60—Biased catch or latch

Definitions

  • the invention relates to a device for connecting two clamping clamps, each having a rail, with a housing which has two insertion openings pointing away from one another, each with an adjoining insertion channel, for inserting one rail each.
  • a generic device is the DE 195 29 268 A1 described.
  • the publication describes variously constructed clamping tools, each of which forms a rail to which a fixed clamping jaw is attached.
  • a movable clamping jaw is arranged on the rail, which carries a pressure piece which can be moved in the direction of the fixed clamping jaw by suitable means. The pressure piece can be moved by a screw spindle.
  • the movable clamping jaw it is also possible for the movable clamping jaw to be displaced in the direction of the fixed clamping jaw by means of a step-change clamping mechanism.
  • Relevant clamping tools are used in the DE 89 03 875 , DE 84 09 755 , US 6,962,918 and DE 197 31 579 A1 described.
  • the documents US 2007/0057424 and DE 20 2009 013 416 U1 also show connection devices.
  • the two free ends of the rails of two clamps can be connected to each other.
  • the clamps on the market have rails that have different cross sections.
  • the invention has for its object to enlarge the range of applications of a rail connector.
  • an adapter piece can be inserted into one of the two insertion openings of a rail connector. If there is no adapter piece in the insertion opening, it can be inserted in the insertion opening and a rail with a large cross-section, in particular with a rectangular cross-section, is inserted into the connecting channel adjoining this. If an adapter piece is inserted into the insertion opening, a rail with a different cross-section, in particular a rectangular cross-section with a smaller cross-sectional area, can be inserted into the rail connector. For this purpose, the adapter piece reduces the free opening cross section of the insertion channel of the rail connector housing for inserting a rail with a different cross-sectional area.
  • the adapter piece can have a collar. In the inserted state, the collar lies on an end face section of the rail connector housing to which the insertion opening is assigned.
  • a lining is preferably formed on the collar. The lining lies against sections of the inner surface of the insertion channel formed by the housing. The lining in turn forms an insertion channel which is assigned to the adapter piece.
  • the adapter piece can be made in one piece from plastic.
  • the housing of the rail connector can also be made of plastic.
  • the lining can be U-shaped in cross section. The two U-legs that run parallel to one another can form narrow walls, the outer sides of which, at least in regions, abut the narrow side surfaces of the insertion opening assigned to the housing. The two narrow walls can be connected to a broad side wall, which forms the U-web.
  • the broad side wall can have, in particular, a channel-shaped bulge.
  • locking means with which the adapter piece can be held within the insertion channel of the housing.
  • a locking lug can be provided, which dips into a locking recess.
  • the latching lug can be arranged on a latching tongue of the broad side wall of the adapter piece and can engage in a latching recess which is formed by a window in the insertion channel of the housing.
  • the two broad side surfaces of the insertion opening of the housing can each form bulges. These can form channels. Stops can enter these bulges when the rail is inserted.
  • the purpose of these stops on the rail is to tie the movable clamping jaw to the rail.
  • the broad side wall of the adapter piece can also have a bulge for this purpose.
  • the contour of the insertion opening of the housing and the insertion opening of the adapter piece can form a cross shape.
  • the insertion opening of the adapter piece or the insertion opening of the housing thus forms a cross-shaped window.
  • the rail connector according to the invention preferably has a mirror-symmetrical arrangement.
  • locking devices are arranged with mirror symmetry, with which the rails of the clamping clamps to be coupled to one another can be fastened to the rail connector.
  • locking bolts are provided which can enter the locking openings in the rail.
  • Each of the two locking bolts can be brought from a locking position into a release position independently of the other by actuating a push button.
  • the push button sits in a housing recess, which is located in a broad side surface of the housing.
  • the push button can be moved into the recess against the restoring force of a spring. It is coupled via a rod to a carrier on which the locking bolt sits.
  • the locking bolt crosses the insertion channel and is brought from the locking position into the release position by pressing the push button.
  • the rail connector 3 has an elongated housing, which on its narrow sides facing away from each other has an insertion opening 6 for inserting an essentially rectangular rail 1, 2 of a clamp.
  • Each of the two rail ends inserted into the rail connector 3 has a locking opening 22 into which a locking bolt 24 engages in order to tie the two rails 1, 2 to the rail connector 3.
  • the two ends of the rails 1, 2 opposite the free ends are each connected to fixed clamping jaws 29.
  • a movable clamping jaw 30 slides on the rail 1, 2 and has a pressure piece which can be displaced in the direction of the fixed clamping jaw 29.
  • the clamping jaws 29 can, however, also be separable from the rail 1, 2, as is the case, for example, in FIGS DE 10 2004 011 636 A1 and DE 101 31 966 A1 is described.
  • the movable clamping jaws 30 or the pressure pieces in this regard can then be displaced in the direction away from one another, so that such an arrangement, consisting of two interconnected rails, forms an expanding clamp.
  • the movable clamping jaw 30 has a feed mechanism, as is shown in FIG DE 198 61 130 A1 is described, so that the movable clamping jaw 30 can be displaced along the rails 1, 2 in the clamping direction by repeated actuation of a handle.
  • These movable clamping jaws or a screw spindle can also be arranged on the associated rails 1, 2 connected to the rail connector 3 in such a way that the clamping jaws or the pressure pieces face each other. A workpiece can then be clamped between the two movable clamping jaws 30.
  • the rail connector 3 forms a housing made of plastic.
  • the housing has two narrow sides pointing away from each other.
  • an insertion opening 6 which is cruciform Has outline contour.
  • the insertion opening 6 is followed by an insertion channel 7.
  • the two insertion channels 7 can be connected to one another.
  • Each of the two insertion channels 7 has corner areas which define an essentially rectangular basic cross section and forms opposite narrow side surfaces 13 and opposite broad side surfaces 11, 12.
  • the broad side surface 11 additionally has an elongated bulge 15, into which a stop 23 attached to the rail 1, 2 can enter.
  • the stop 23 serves for capturing the movable clamping jaw 30 on the rail 1, 2.
  • the broad side surface 12 opposite the broad side surface 11 likewise has an elongated bulge 15 '.
  • a stop 23 of the rail 1, 2 can also enter this bulge.
  • FIGS. 5 and 7 show the cross section through the rail connector and through the insertion channel 7, wherein in the insertion channel 7 a rectangular cross-section rail 2 is inserted with a large cross-sectional area.
  • the two opposite narrow side surfaces of the rail 2 rest with a slight play on the narrow side surfaces 13 of the insertion channel 7.
  • Sections of the broad sides of the rail 2 each abut the broad side surfaces 11, 12.
  • the carrier 28 is connected to a rod connection 27 crossing the rail connector 3 with a push button 25.
  • the push button is in a housing recess and is acted upon by a compression spring 26.
  • Such a push button arrangement is from the DE 101 31 966 A1 known. Reference is made to the relevant statements in the aforementioned document.
  • the adapter piece 4 has a collar 10 which, when inserted, rests on the end face of the rail connector 3 surrounding the insertion opening 6.
  • the collar 10 forms an essentially cruciform insertion opening 8, to which an insertion channel 9 connects.
  • the insertion channel 9 is formed by a lining 5 which has an essentially U-shaped cross section.
  • the lining 5 can also have a closed cross-section, that is, have the shape of a tube.
  • the lining 5 has two opposing narrow walls 17 which rest with their outer surfaces on the narrow side surfaces 13 of the insertion channel 7.
  • the narrow side surface 13 of the insertion channel 7 has a niche 14 in cross section, which is filled by a rib of the narrow wall 17. With the narrow walls 17, the free cross section of the opening channel is reduced in a first direction.
  • the two narrow walls 17 are connected to one another by a broad side wall 18.
  • An outer wall section of the broad side wall 18 abuts the broad side surface 12 of the insertion channel 7. With the broad side wall 18, the free opening cross section of the insertion channel 7 is reduced in another, second, direction perpendicular to the first.
  • the insertion channel 9 for inserting the rail 1 with a small cross-sectional area is formed by the two narrow walls 17 and a broad side wall 18.
  • the opposite broad side wall of the insertion channel 9 is formed by the broad side surface 11 of the housing 3.
  • the broad side wall 18 of the lining 5 forms a bulge 21.
  • the outwardly facing wall of the bulge 21 bears against the inner wall of the bulge 15 'of the broad side surface 12 of the insertion channel 7 of the housing 3.
  • a locking lug 20 is provided which sits at the end of a spring tongue which is formed by the bulge 19 which forms the bulge 21.
  • the outwardly facing locking lug 20 can enter a locking recess 16 of the housing 3.
  • the locking recess 16 is designed as a window open to the outside.
  • the insertion channel 7 gradually reduces its cross-section in the depth direction.
  • the bulges 15, 15 ' are missing.
  • the lining 5 of the adapter piece 4 can extend into the area of the locking bolt 24. In the exemplary embodiment, however, the lining 5 does not extend into this area.
  • Both the rail 1 with a small cross-sectional area and the rail 2 with a larger cross-sectional area are tied to the rail connector 3 by the locking bolt 24 (see Figures 6 and 7 ). Is the rod 27 by pressing the push button 25 into the in Figure 9 position shown, the locking bolt 24 has completely come out of the insertion channel 7, so that either a rail 1, 2 can be inserted into the rail connector 3 or a rail 1, 2 already inserted in the rail connector 3 can be pulled out of the rail connector 3.
  • the rib of the narrow wall 17 engaging in the channel-shaped recess 14 gives the cross section of the narrow wall 17 a T-shape, which contributes to stabilization.
  • the edges of the insertion openings 6, 8 run beveled, so that finding surfaces are formed which form the transition between the end face of the collar 10 to the insertion channel 9 or the end surface of the housing 3 to the insertion channel 7.
  • the push buttons 25 have a circular cross section and face the same broad side of the housing 3. The surfaces of the push buttons 25 must be pressed into the cup-shaped recesses of the housing in order to bring the locking bolt 24 into the release position.
  • the carriers 28 emerge on the opposite side from housing recesses in which they lie in the locking position.
  • a device which is characterized in that at least one adapter piece 4 which can be inserted into one of the insertion openings 6 and which reduces the free opening cross section of the insertion channel 7 for inserting a rail 1 with a different cross-sectional area.
  • a device which is characterized in that the adapter piece 4 has a lining 5 which adjoins a collar 10, the lining 5 resting at least in regions on the wall of the insertion channel 7 and in the inserted state forms a cross-section-reduced insertion channel 9, the collar 10 resting on an end face of the housing 3.
  • a device which is characterized in that the lining 5 is U-shaped in cross-section, with narrow walls 17, which start from a broad side wall 18.
  • a device which is characterized in that the lining forms a broad side wall 18 which has a bulge 19.
  • a device which is characterized in that a latching device, in particular in the form of a latching lug 20, with which the adapter piece 4 is held in the insertion channel 7, the latching lug 20 projecting in particular from a latching spring which is assigned to a broad side wall 18.
  • a device which is characterized in that the insertion channel 7 of the housing 3 has two opposite bulges 15, 15 ', in particular for the entry of a stop 23 arranged on the rail 2.
  • a device which is characterized in that the adapter piece 4 forms at least one bulge 21 for the entry of a stop 23 arranged on the rail 1.
  • a device which is characterized in that the insertion opening 6 of the housing 3 and / or the insertion opening 8 of the adapter piece 4 forms an essentially cruciform window, to which the insertion channel (7, 9) connects.
  • a device which is characterized by a mirror symmetry of the device.
  • a device which is characterized in that the device has two locking elements, in particular locking bolts 24, for entry into a locking opening 22 of a rail 1, 2 inserted into the housing 3.
  • a device which is characterized by a push button 25 which can be displaced against a return spring 26 in a housing recess and which is connected via a rod 27 to a carrier 28 which carries a locking bolt 24 which crosses the insertion channel 7 in a locking position and which can be brought out of the insertion channel 7 by pressing the push button 25.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Clamps And Clips (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)

Description

Die Erfindung betrifft eine Vorrichtung zum Verbinden zweier jeweils eine Schiene aufweisender Spannzwingen, mit einem Gehäuse, das zwei voneinander wegweisende Einstecköffnungen mit jeweils sich daran anschließendem Einsteckkanal aufweist zum Einstecken jeweils einer Schiene.The invention relates to a device for connecting two clamping clamps, each having a rail, with a housing which has two insertion openings pointing away from one another, each with an adjoining insertion channel, for inserting one rail each.

Eine gattungsgemäße Vorrichtung wird von der DE 195 29 268 A1 beschrieben. Die Druckschrift beschreibt verschiedenartig aufgebaute Spannwerkzeuge, die jeweils eine Schiene ausbilden, an der eine feste Spannbacke befestigt ist. Auf der Schiene ist eine bewegliche Spannbacke angeordnet, die ein Druckstück trägt, das mit geeigneten Mitteln in Richtung auf die feste Spannbacke bewegbar ist. Das Druckstück kann von einer Schraubspindel bewegt werden. Es ist aber auch möglich, dass die bewegliche Spannbacke mittels eines Schrittschaltspanngetriebes in Richtung auf die feste Spannbacke verlagert werden kann. Diesbezügliche Spannwerkzeuge werden unter anderem in den DE 89 03 875 , DE 84 09 755 , US 6,962,918 und DE 197 31 579 A1 beschrieben. Die Dokumente US 2007/0057424 und DE 20 2009 013 416 U1 zeigen ebenfalls Verbindungsvorrichtungen.A generic device is the DE 195 29 268 A1 described. The publication describes variously constructed clamping tools, each of which forms a rail to which a fixed clamping jaw is attached. A movable clamping jaw is arranged on the rail, which carries a pressure piece which can be moved in the direction of the fixed clamping jaw by suitable means. The pressure piece can be moved by a screw spindle. However, it is also possible for the movable clamping jaw to be displaced in the direction of the fixed clamping jaw by means of a step-change clamping mechanism. Relevant clamping tools are used in the DE 89 03 875 , DE 84 09 755 , US 6,962,918 and DE 197 31 579 A1 described. The documents US 2007/0057424 and DE 20 2009 013 416 U1 also show connection devices.

Mit dem gattungsgemäßen Schienenverbinder können die beiden freien Enden der Schienen zweier Spannzwingen miteinander verbunden werden. Die auf dem Markt befindlichen Spannzwingen besitzen Schienen, die voneinander verschiedene Querschnitte besitzen.With the generic rail connector, the two free ends of the rails of two clamps can be connected to each other. The clamps on the market have rails that have different cross sections.

Der Erfindung liegt die Aufgabe zugrunde, das Anwendungsspektrum eines Schienenverbinders zu vergrößern.The invention has for its object to enlarge the range of applications of a rail connector.

Gelöst wird die Aufgabe durch die in den Ansprüchen angegebene Erfindung. Zunächst und im Wesentlichen wird vorgeschlagen, dass in eine der beiden Einstecköffnungen eines Schienenverbinders ein Adapterstück einsetzbar ist. Befindet sich kein Adapterstück in der Einstecköffnung, so kann in die Einstecköffnung und in den sich an diese anschließenden Einsteckkanal eine Schiene mit einem großen Querschnitt, insbesondere mit einem rechteckigen Querschnitt, eingesteckt werden. Wird in die Einstecköffnung ein Adapterstück eingesteckt, so lässt sich in den Schienenverbinder eine Schiene mit einem anderen Querschnitt, insbesondere einem rechteckigen Querschnitt mit kleinerer Querschnittsfläche, einstecken. Das Adapterstück reduziert hierzu den freien Öffnungsquerschnitt des Einsteckkanals des Schienenverbindergehäuses zum Einstecken einer Schiene mit einer anderen Querschnittsfläche. Das Adapterstück kann einen Kragen aufweisen. Der Kragen liegt im eingesteckten Zustand auf einem Stirnflächenabschnitt des Schienenverbindergehäuses, dem die Einstecköffnung zugeordnet ist. An den Kragen ist vorzugsweise eine Auskleidung angeformt. Die Auskleidung liegt an Abschnitten der Innenfläche des vom Gehäuse ausgebildeten Einsteckkanales an. Die Auskleidung bildet wiederum einen Einsteckkanal, der dem Adapterstück zugeordnet ist. Das Adapterstück kann einstückig aus Kunststoff gefertigt sein. Das Gehäuse des Schienenverbinders kann ebenfalls aus Kunststoff gefertigt sein. Die Auskleidung kann im Querschnitt U-förmig ausgebildet sein. Die beiden parallel zueinander verlaufenden U-Schenkel können Schmalwände ausbilden, deren Außenseiten sich zumindest bereichsweise an die Schmalseitenflächen der dem Gehäuse zugeordneten Einstecköffnung anlegen. Die beiden Schmalwände können mit einer Breitseitenwand verbunden sein, die den U-Steg ausbildet. Die Breitseitenwand kann eine insbesondere rinnenförmige Auswölbung besitzen. Es sind Rastmittel vorgesehen, mit denen das Adapterstück innerhalb des Einsteckkanals des Gehäuses gehalten werden kann. Hierzu kann eine Rastnase vorgesehen sein, die in eine Rastausnehmung eintaucht. Die Rastnase kann an einer Rastzunge der Breitseitenwand des Adapterstücks angeordnet sein und in eine Rastaussparung eingreifen, die von einem Fenster des Einsteckkanales des Gehäuses ausgebildet ist. Die beiden Breitseitenflächen der Einstecköffnung des Gehäuses können jeweils Ausbuchtungen ausbilden. Diese können Rinnen ausbilden. In diese Ausbuchtungen können beim Einstecken der Schiene Anschläge eintreten.The object is achieved by the invention specified in the claims. First and foremost, it is proposed that an adapter piece can be inserted into one of the two insertion openings of a rail connector. If there is no adapter piece in the insertion opening, it can be inserted in the insertion opening and a rail with a large cross-section, in particular with a rectangular cross-section, is inserted into the connecting channel adjoining this. If an adapter piece is inserted into the insertion opening, a rail with a different cross-section, in particular a rectangular cross-section with a smaller cross-sectional area, can be inserted into the rail connector. For this purpose, the adapter piece reduces the free opening cross section of the insertion channel of the rail connector housing for inserting a rail with a different cross-sectional area. The adapter piece can have a collar. In the inserted state, the collar lies on an end face section of the rail connector housing to which the insertion opening is assigned. A lining is preferably formed on the collar. The lining lies against sections of the inner surface of the insertion channel formed by the housing. The lining in turn forms an insertion channel which is assigned to the adapter piece. The adapter piece can be made in one piece from plastic. The housing of the rail connector can also be made of plastic. The lining can be U-shaped in cross section. The two U-legs that run parallel to one another can form narrow walls, the outer sides of which, at least in regions, abut the narrow side surfaces of the insertion opening assigned to the housing. The two narrow walls can be connected to a broad side wall, which forms the U-web. The broad side wall can have, in particular, a channel-shaped bulge. There are locking means with which the adapter piece can be held within the insertion channel of the housing. For this purpose, a locking lug can be provided, which dips into a locking recess. The latching lug can be arranged on a latching tongue of the broad side wall of the adapter piece and can engage in a latching recess which is formed by a window in the insertion channel of the housing. The two broad side surfaces of the insertion opening of the housing can each form bulges. These can form channels. Stops can enter these bulges when the rail is inserted.

Diese Anschläge haben bei der Schiene die Aufgabe, die bewegliche Spannbacke an die Schiene zu fesseln. Die Breitseitenwand des Adapterstücks kann ebenfalls eine Ausbuchtung für diesen Zweck aufweisen. Die Umrisskontur der Einstecköffnung des Gehäuses und der Einstecköffnung des Adapterstücks können eine Kreuzform ausbilden. Die Einstecköffnung des Adapterstücks beziehungsweise die Einstecköffnung des Gehäuses bildet somit ein kreuzförmiges Fenster aus. Der erfindungsgemäße Schienenverbinder besitzt vorzugsweise eine spiegelsymmetrische Anordnung. Spiegelsymmetrisch sind insbesondere Verriegelungseinrichtungen angeordnet, mit denen die Schienen der aneinander zu koppelnden Spannzwingen am Schienenverbinder befestigt werden können. Hierzu sind Verriegelungsbolzen vorgesehen, die in Verriegelungsöffnungen der Schiene eintreten können. Jeder der beiden Verriegelungsbolzen kann durch Betätigen eines Druckknopfes unabhängig vom anderen von einer Verriegelungsstellung in eine Freigabestellung gebracht werden. Der Druccknopf sitzt dabei in einer Gehäuseausnehmung, die sich in einer Breitseitenfläche des Gehäuses befindet. Der Druckknopf kann gegen die Rückstellkraft einer Feder in die Ausnehmung verlagert werden. Er ist über einen Stab mit einem Träger gekoppelt, an dem der Verriegelungsbolzen sitzt. Der Verriegelungsbolzen kreuzt den Einsteckkanal und wird durch Druck auf den Druckknopf aus der Verriegelungsstellung in die Freigabestellung gebracht.The purpose of these stops on the rail is to tie the movable clamping jaw to the rail. The broad side wall of the adapter piece can also have a bulge for this purpose. The contour of the insertion opening of the housing and the insertion opening of the adapter piece can form a cross shape. The insertion opening of the adapter piece or the insertion opening of the housing thus forms a cross-shaped window. The rail connector according to the invention preferably has a mirror-symmetrical arrangement. In particular, locking devices are arranged with mirror symmetry, with which the rails of the clamping clamps to be coupled to one another can be fastened to the rail connector. For this purpose, locking bolts are provided which can enter the locking openings in the rail. Each of the two locking bolts can be brought from a locking position into a release position independently of the other by actuating a push button. The push button sits in a housing recess, which is located in a broad side surface of the housing. The push button can be moved into the recess against the restoring force of a spring. It is coupled via a rod to a carrier on which the locking bolt sits. The locking bolt crosses the insertion channel and is brought from the locking position into the release position by pressing the push button.

Ein Ausführungsbeispiel der Erfindung ist in den beigefügten Zeichnungen dargestellt und wird nachfolgend erläutert. Es zeigen:

Fig. 1
eine Draufsicht auf zwei miteinander über einen Schienenverbinder 3 miteinander gekoppelte Spannzwingen,
Fig. 2
eine erste Explosionsdarstellung des Schienenverbinders 3,
Fig. 3
eine zweite Explosionsdarstellung des Schienenverbinders 3,
Fig. 4
einen Querschnitt durch die Schnittlinie IV-IV in Figur 1, wobei in den Einsteckkanal 7 des Schienenverbinders 3 ein Adapterstück 4 eingesetzt ist und in den Einsteckkanal 9 des Adapterstücks 4 eine Schiene 1 mit einer kleinen rechteckigen Querschnittsfläche eingesteckt ist,
Fig. 5
eine Darstellung gemäß Figur 4, jedoch ohne den in den Einsteckkanal 7 des Schienenverbinders 3 eingestecktem Adapter 4, jedoch mit einer Schiene 2, die eine größere rechteckige Querschnittsfläche aufweist,
Fig. 6
einen Schnitt gemäß der Linie VI-VI in Fig. 1 mit in den Einsteckkanal 7 des Schienenverbinders 3 eingestecktem Adapterstück 4 und in den Einsteckkanal 9 des Adapterstücks 4 eingesteckter Schiene 1 mit einer kleinen Querschnittsfläche,
Fig. 7
eine Darstellung gemäß Figur 6, jedoch ohne Adapterstück 4 und mit in den Einsteckkanal 7 des Schienenverbinders 3 eingesteckter Schiene 2 mit großer Querschnittsfläche,
Fig. 8
eine teilweise aufgebrochene Darstellung eines in dem Einsteckkanal 7 eingesteckten Adapterstücks 4,
Fig. 9
eine Darstellung gemäß Figur 6, jedoch mit in Freigabestellung gebrachtem Riegelbolzen 24.
An embodiment of the invention is illustrated in the accompanying drawings and is explained below. Show it:
Fig. 1
2 shows a top view of two clamping clamps coupled to one another via a rail connector 3,
Fig. 2
a first exploded view of the rail connector 3,
Fig. 3
a second exploded view of the rail connector 3,
Fig. 4
a cross section through the section line IV-IV in Figure 1 , wherein an adapter piece 4 is inserted into the insertion channel 7 of the rail connector 3 and a rail 1 with a small rectangular cross-sectional area is inserted into the insertion channel 9 of the adapter piece 4,
Fig. 5
a representation according to Figure 4 , but without the adapter 4 inserted into the insertion channel 7 of the rail connector 3, but with a rail 2 which has a larger rectangular cross-sectional area,
Fig. 6
a section along the line VI-VI in Fig. 1 with an adapter piece 4 inserted into the insertion channel 7 of the rail connector 3 and a rail 1 with a small cross-sectional area inserted into the insertion channel 9 of the adapter piece 4,
Fig. 7
a representation according to Figure 6 , but without an adapter piece 4 and with a rail 2 with a large cross-sectional area inserted into the insertion channel 7 of the rail connector 3,
Fig. 8
3 shows a partially broken-open representation of an adapter piece 4 inserted in the insertion channel 7,
Fig. 9
a representation according to Figure 6 , but with the locking bolt 24 brought into the release position.

Der Schienenverbinder 3 besitzt ein langgestrecktes Gehäuse, welches an seinen voneinander wegweisenden Schmalseiten jeweils eine Einstecköffnung 6 zum Einstecken einer im Wesentlichen rechteckigen Schiene 1, 2 einer Spannzwinge aufweist. Jedes der beiden in den Schienenverbinder 3 eingesteckten Schienenenden besitzt eine Verriegelungsöffnung 22, in die ein Riegelbolzen 24 eingreift, um die beiden Schienen 1, 2 an den Schienenverbinder 3 zu fesseln.The rail connector 3 has an elongated housing, which on its narrow sides facing away from each other has an insertion opening 6 for inserting an essentially rectangular rail 1, 2 of a clamp. Each of the two rail ends inserted into the rail connector 3 has a locking opening 22 into which a locking bolt 24 engages in order to tie the two rails 1, 2 to the rail connector 3.

Die beiden, den freien Enden gegenüberliegenden Enden der Schienen 1, 2 sind jeweils mit festen Spannbacken 29 verbunden. Auf der Schiene 1, 2 gleitet eine bewegliche Spannbacke 30, die ein Druckstück aufweist, welches in Richtung der festen Spannbacke 29 verlagerbar ist. Die Spannbacken 29 können aber auch von der Schiene 1, 2 trennbar sein, wie es beispielsweise in den DE 10 2004 011 636 A1 und DE 101 31 966 A1 beschrieben ist. Die beweglichen Spannbacken 30 beziehungsweise die diesbezüglichen Druckstücke können dann in Richtung weg voneinander verlagert werden, so dass eine derartige, aus zwei miteinander verbundenen Schienen bestehende Anordnung eine Spreizzwinge ausbildet.The two ends of the rails 1, 2 opposite the free ends are each connected to fixed clamping jaws 29. A movable clamping jaw 30 slides on the rail 1, 2 and has a pressure piece which can be displaced in the direction of the fixed clamping jaw 29. The clamping jaws 29 can, however, also be separable from the rail 1, 2, as is the case, for example, in FIGS DE 10 2004 011 636 A1 and DE 101 31 966 A1 is described. The movable clamping jaws 30 or the pressure pieces in this regard can then be displaced in the direction away from one another, so that such an arrangement, consisting of two interconnected rails, forms an expanding clamp.

Erfindungsgemäß ist ferner vorgesehen, dass die bewegliche Spannbacke 30 einen Vorschubmechanismus aufweist, wie er in der DE 198 61 130 A1 beschrieben ist, so dass durch mehrmaliges Betätigen eines Handgriffs die bewegliche Spannbacke 30 entlang der Schienen 1, 2 in Spannrichtung verlagert werden kann. Diese oder auch eine Schraubspindel tragende bewegliche Spannbacken können aber auch derart auf den ihnen zugeordneten, mit dem Schienenverbinder 3 miteinander verbundenen Schienen 1, 2 angeordnet sein, dass die Spannbacken beziehungsweise die Druckstücke aufeinander zu weisen. Dann kann zwischen die beiden beweglichen Spannbacken 30 ein Werkstück eingespannt werden. Es besteht ferner die Möglichkeit, dass lediglich eine der beiden mit dem Schienenverbinder 3 miteinander verbundenen Schienen 1, 2 eine feste Spannbacke 29 trägt. Die andere Schiene trägt dann eine bewegliche Spannbacke 30, deren Druckstück auf die feste Spannbacke zuweist.According to the invention, it is also provided that the movable clamping jaw 30 has a feed mechanism, as is shown in FIG DE 198 61 130 A1 is described, so that the movable clamping jaw 30 can be displaced along the rails 1, 2 in the clamping direction by repeated actuation of a handle. These movable clamping jaws or a screw spindle can also be arranged on the associated rails 1, 2 connected to the rail connector 3 in such a way that the clamping jaws or the pressure pieces face each other. A workpiece can then be clamped between the two movable clamping jaws 30. There is also the possibility that only one of the two rails 1, 2 connected to the rail connector 3 carries a fixed clamping jaw 29. The other rail then carries a movable clamping jaw 30, the pressure piece of which points to the fixed clamping jaw.

Der Schienenverbinder 3 bildet ein aus Kunststoff bestehendes Gehäuse. Das Gehäuse besitzt zwei voneinander wegweisende Schmalseiten. In jeder der beiden Schmalseiten befindet sich eine Einstecköffnung 6, die eine kreuzförmige Umrisskontur aufweist. Der Einstecköffnung 6 schließt sich ein Einsteckkanal 7 an. Die beiden Einsteckkanäle 7 können miteinander verbunden sein. Jeder der beiden Einsteckkanäle 7 besitzt Eckbereiche, die einen im Wesentlichen rechteckigen Grundquerschnitt definieren und bildet sich gegenüberliegende Schmalseitenflächen 13 und sich gegenüberliegende Breitseitenflächen 11, 12 aus. Die Breitseitenfläche 11 besitzt zusätzlich eine langgestreckte Ausbuchtung 15, in die ein an der Schiene 1, 2 befestigter Anschlag 23 eintreten kann. Der Anschlag 23 dient der Fesselung der beweglichen Spannbacke 30 an der Schiene 1, 2.The rail connector 3 forms a housing made of plastic. The housing has two narrow sides pointing away from each other. In each of the two narrow sides there is an insertion opening 6 which is cruciform Has outline contour. The insertion opening 6 is followed by an insertion channel 7. The two insertion channels 7 can be connected to one another. Each of the two insertion channels 7 has corner areas which define an essentially rectangular basic cross section and forms opposite narrow side surfaces 13 and opposite broad side surfaces 11, 12. The broad side surface 11 additionally has an elongated bulge 15, into which a stop 23 attached to the rail 1, 2 can enter. The stop 23 serves for capturing the movable clamping jaw 30 on the rail 1, 2.

Die der Breitseitenfläche 11 gegenüberliegende Breitseitenfläche 12 besitzt ebenfalls eine langgestreckte Ausbuchtung 15'. Auch in diese Ausbuchtung kann ein Anschlag 23 der Schiene 1, 2 eintreten.The broad side surface 12 opposite the broad side surface 11 likewise has an elongated bulge 15 '. A stop 23 of the rail 1, 2 can also enter this bulge.

Die Figuren 5 und 7 zeigen den Querschnitt durch den Schienenverbinder und durch den Einsteckkanal 7, wobei in den Einsteckkanal 7 eine einen rechteckigen Querschnitt aufweisende Schiene 2 mit großer Querschnittsfläche eingesteckt ist. Die beiden sich gegenüberliegenden Schmalseitenflächen der Schiene 2 liegen mit geringfügigem Spiel an den Schmalseitenflächen 13 des Einsteckkanales 7 an. An den Breitseitenflächen 11, 12 liegen jeweils Abschnitte der Breitseiten der Schiene 2 an.The Figures 5 and 7 show the cross section through the rail connector and through the insertion channel 7, wherein in the insertion channel 7 a rectangular cross-section rail 2 is inserted with a large cross-sectional area. The two opposite narrow side surfaces of the rail 2 rest with a slight play on the narrow side surfaces 13 of the insertion channel 7. Sections of the broad sides of the rail 2 each abut the broad side surfaces 11, 12.

In die Verriegelungsöffnung 22 der Schiene 2 greift ein Riegelbolzen 24 ein, der an einem Träger 28 befestigt ist. Der Träger 28 ist mit einer den Schienenverbinder 3 kreuzenden Stabverbindung 27 mit einem Druckknopf 25 verbunden. Der Druckknopf steckt in einer Gehäuseausnehmung und wird von einer Druckfeder 26 beaufschlagt. Eine derartige Druckknopfanordnung ist aus der DE 101 31 966 A1 bekannt. Es wird auf die diesbezüglichen Ausführungen des vorgenannten Dokumentes verwiesen.A locking bolt 24, which is fastened to a carrier 28, engages in the locking opening 22 of the rail 2. The carrier 28 is connected to a rod connection 27 crossing the rail connector 3 with a push button 25. The push button is in a housing recess and is acted upon by a compression spring 26. Such a push button arrangement is from the DE 101 31 966 A1 known. Reference is made to the relevant statements in the aforementioned document.

Sollen Schienen 1 miteinander verbunden werden, deren Querschnittsfläche geringer ist, als die Querschnittsfläche der Schienen 2, so werden in die beiden Einsteckkanäle 7 des Schienenverbinders 3 Adapterstücke 4 eingesteckt. Es ist aber auch möglich, Schienen mit unterschiedlicher Querschnittsfläche miteinander zu verbinden. Dann werden voneinander verschiedene Adapterstücke 4 in die Einstecköffnungen 6 des Schienenverbinders 3 eingesteckt oder es wird nur in eine Einstecköffnung des Schienenverbinders 3 ein Adapterstück 4 eingesteckt.If rails 1 are to be connected to one another whose cross-sectional area is smaller than the cross-sectional area of the rails 2, 3 adapter pieces 4 are inserted into the two insertion channels 7 of the rail connector. However, it is also possible to connect rails with different cross-sectional areas to one another. Then different adapter pieces 4 are inserted into the insertion openings 6 of the rail connector 3 or an adapter piece 4 is only inserted into an insertion opening of the rail connector 3.

Das erfindungsgemäße Adapterstück 4 besitzt einen Kragen 10, der im eingesteckten Zustand auf der die Einstecköffnung 6 umgebenden Stirnfläche des Schienenverbinders 3 aufliegt. Der Kragen 10 bildet eine im Wesentlichen kreuzförmige Einstecköffnung 8 aus, an den sich ein Einsteckkanal 9 anschließt. Der Einsteckkanal 9 wird von einer Auskleidung 5 ausgebildet, die einen im Wesentlichen U-förmigen Querschnitt aufweist. Die Auskleidung 5 kann aber auch einen geschlossenen Querschnitt aufweisen, also die Form eines Rohres besitzen.The adapter piece 4 according to the invention has a collar 10 which, when inserted, rests on the end face of the rail connector 3 surrounding the insertion opening 6. The collar 10 forms an essentially cruciform insertion opening 8, to which an insertion channel 9 connects. The insertion channel 9 is formed by a lining 5 which has an essentially U-shaped cross section. The lining 5 can also have a closed cross-section, that is, have the shape of a tube.

Im Ausführungsbeispiel besitzt die Auskleidung 5 zwei sich gegenüberliegende Schmalwände 17, die mit ihren Außenflächen an den Schmalseitenflächen 13 des Einsteckkanales 7 anliegen. Die Schmalseitenfläche 13 des Einsteckkanals 7 besitzt im Querschnitt eine Nische 14, die von einer Rippe der Schmalwand 17 ausgefüllt wird. Mit den Schmalwänden 17 wird der freie Querschnitt des Öffnungskanales in einer ersten Richtung vermindert.In the exemplary embodiment, the lining 5 has two opposing narrow walls 17 which rest with their outer surfaces on the narrow side surfaces 13 of the insertion channel 7. The narrow side surface 13 of the insertion channel 7 has a niche 14 in cross section, which is filled by a rib of the narrow wall 17. With the narrow walls 17, the free cross section of the opening channel is reduced in a first direction.

Die beiden Schmalwände 17 sind mit einer Breitseitenwand 18 miteinander verbunden. Ein Außenwandungsabschnitt der Breitseitenwand 18 liegt an der Breitseitenfläche 12 des Einsteckkanales 7 an. Mit der Breitseitenwand 18 wird der freie Öffnungsquerschnitt des Einsteckkanales 7 in einer anderen, zweiten, zur ersten senkrechten Richtung vermindert.The two narrow walls 17 are connected to one another by a broad side wall 18. An outer wall section of the broad side wall 18 abuts the broad side surface 12 of the insertion channel 7. With the broad side wall 18, the free opening cross section of the insertion channel 7 is reduced in another, second, direction perpendicular to the first.

Beim Ausführungsbeispiel wird der Einsteckkanal 9 zum Einstecken der eine geringe Querschnittsfläche aufweisenden Schiene 1 von den beiden Schmalwänden 17 und einer Breitseitenwand 18 gebildet. Die gegenüberliegende Breitseitenwand des Einsteckkanals 9 wird von der Breitseitenfläche 11 des Gehäuses 3 ausgebildet.In the exemplary embodiment, the insertion channel 9 for inserting the rail 1 with a small cross-sectional area is formed by the two narrow walls 17 and a broad side wall 18. The opposite broad side wall of the insertion channel 9 is formed by the broad side surface 11 of the housing 3.

Die Breitseitenwand 18 der Auskleidung 5 bildet eine Ausbuchtung 21 aus. Die nach außen weisende Wandung der Ausbuchtung 21 liegt an der Innenwandung der Ausbuchtung 15' der Breitseitenfläche 12 des Einsteckkanales 7 des Gehäuses 3 an.The broad side wall 18 of the lining 5 forms a bulge 21. The outwardly facing wall of the bulge 21 bears against the inner wall of the bulge 15 'of the broad side surface 12 of the insertion channel 7 of the housing 3.

Es ist eine Rastnase 20 vorgesehen, die am Ende einer Federzunge sitzt, die von der Auswölbung 19 ausgebildet ist, welche die Ausbuchtung 21 ausbildet. Die nach außen weisende Rastnase 20 kann in eine Rastausnehmung 16 des Gehäuses 3 eintreten. Die Rastausnehmung 16 ist als nach außen offenes Fenster ausgebildet.A locking lug 20 is provided which sits at the end of a spring tongue which is formed by the bulge 19 which forms the bulge 21. The outwardly facing locking lug 20 can enter a locking recess 16 of the housing 3. The locking recess 16 is designed as a window open to the outside.

Den Figuren 4 bis 8 ist zu entnehmen, dass sich der Einsteckkanal 7 in Tiefenrichtung stufenweise querschnittsvermindert. In dem Bereich, in dem der Riegelbolzen 24 angeordnet ist, fehlen die Ausbuchtungen 15, 15'. Die Auskleidung 5 des Adapterstücks 4 kann bis in den Bereich des Riegelbolzens 24 reichen. Beim Ausführungsbeispiel reicht die Auskleidung 5 jedoch nicht bis in diesen Bereich.The Figures 4 to 8 it can be seen that the insertion channel 7 gradually reduces its cross-section in the depth direction. In the area in which the locking bolt 24 is arranged, the bulges 15, 15 'are missing. The lining 5 of the adapter piece 4 can extend into the area of the locking bolt 24. In the exemplary embodiment, however, the lining 5 does not extend into this area.

Sowohl die Schiene 1 mit geringer Querschnittsfläche als auch die Schiene 2 mit größerer Querschnittsfläche werden vom Verriegelungsbolzen 24 an den Schienenverbinder 3 gefesselt (siehe Figuren 6 und 7). Wird der Stab 27 durch Druck auf den Druckknopf 25 bis in die in Figur 9 dargestellte Stellung verlagert, so ist der Riegelbolzen 24 vollständig aus dem Einsteckkanal 7 herausgetreten, so dass entweder eine Schiene 1, 2 in den Schienenverbinder 3 eingesteckt werden kann oder eine bereits im Schienenverbinder 3 eingesteckte Schiene 1, 2 aus dem Schienenverbinder 3 herausgezogen werden kann.Both the rail 1 with a small cross-sectional area and the rail 2 with a larger cross-sectional area are tied to the rail connector 3 by the locking bolt 24 (see Figures 6 and 7 ). Is the rod 27 by pressing the push button 25 into the in Figure 9 position shown, the locking bolt 24 has completely come out of the insertion channel 7, so that either a rail 1, 2 can be inserted into the rail connector 3 or a rail 1, 2 already inserted in the rail connector 3 can be pulled out of the rail connector 3.

Die in die rinnenförmige Nische 14 eingreifende Rippe der Schmalwand 17 verleiht dem Querschnitt der Schmalwand 17 eine T-Form, was zur Stabilisierung beiträgt. Die Ränder der Einstecköffnungen 6, 8 verlaufen abgeschrägt, so dass sich Findungsflächen ausbilden, die den Übergang zwischen Stirnfläche des Kragens 10 zum Einsteckkanal 9 beziehungsweise der Stirnfläche des Gehäuses 3 zum Einsteckkanal 7 ausbilden. Die Druckknöpfe 25 besitzen einen kreisrunden Querschnitt und weisen zur selben Breitseite des Gehäuses 3. Die Oberflächen der Druckknöpfe 25 müssen bis in die topfförmigen Ausnehmungen des Gehäuses eingedrückt werden, um den Riegelbolzen 24 in die Freigabestellung zu bringen. Dabei treten die Träger 28 auf der gegenüberliegenden Seite aus Gehäuseaussparungen heraus, in denen sie in der Verriegelungsstellung einliegen.The rib of the narrow wall 17 engaging in the channel-shaped recess 14 gives the cross section of the narrow wall 17 a T-shape, which contributes to stabilization. The edges of the insertion openings 6, 8 run beveled, so that finding surfaces are formed which form the transition between the end face of the collar 10 to the insertion channel 9 or the end surface of the housing 3 to the insertion channel 7. The push buttons 25 have a circular cross section and face the same broad side of the housing 3. The surfaces of the push buttons 25 must be pressed into the cup-shaped recesses of the housing in order to bring the locking bolt 24 into the release position. The carriers 28 emerge on the opposite side from housing recesses in which they lie in the locking position.

Die vorstehenden Ausführungen dienen der Erläuterung der von der Anmeldung insgesamt erfassten Erfindungen, die den Stand der Technik zumindest durch die folgenden Merkmalskombinationen jeweils eigenständig weiterbilden, nämlich:
Eine Vorrichtung, die dadurch gekennzeichnet ist, dass mindestens ein in eine der Einstecköffnungen 6 einsteckbares Adapterstück 4, welches den freien Öffnungsquerschnitt des Einsteckkanales 7 zum Einstecken einer Schiene 1 mit einer anderen Querschnittfläche vermindert.The above statements serve to explain the inventions covered by the application as a whole, which independently further develop the prior art at least through the following combinations of features, namely:
A device which is characterized in that at least one adapter piece 4 which can be inserted into one of the insertion openings 6 and which reduces the free opening cross section of the insertion channel 7 for inserting a rail 1 with a different cross-sectional area.

Eine Vorrichtung, die dadurch gekennzeichnet ist, dass das Adapterstück 4 eine Auskleidung 5 aufweist, die sich an einen Kragen 10 anschließt, wobei die Auskleidung 5 zumindest bereichsweise an der Wand des Einsteckkanales 7 anliegt und im eingesteckten Zustand einen querschnittsverminderten Einsteckkanal 9 ausbildet, wobei der Kragen 10 auf einer Stirnfläche des Gehäuses 3 aufliegt.A device which is characterized in that the adapter piece 4 has a lining 5 which adjoins a collar 10, the lining 5 resting at least in regions on the wall of the insertion channel 7 and in the inserted state forms a cross-section-reduced insertion channel 9, the collar 10 resting on an end face of the housing 3.

Eine Vorrichtung, die dadurch gekennzeichnet ist, dass die Auskleidung 5 im Querschnitt U-förmig gestaltet ist, mit Schmalwänden 17, die von einer Breitseitenwand 18 ausgehen.A device which is characterized in that the lining 5 is U-shaped in cross-section, with narrow walls 17, which start from a broad side wall 18.

Eine Vorrichtung, die dadurch gekennzeichnet ist, dass die Auskleidung eine Breitseitenwand 18 ausbildet, die eine Auswölbung 19 aufweist.A device which is characterized in that the lining forms a broad side wall 18 which has a bulge 19.

Eine Vorrichtung, die dadurch gekennzeichnet ist, dass eine Rastvorrichtung, insbesondere in Form einer Rastnase 20, mit der das Adapterstück 4 im Einsteckkanal 7 gehalten ist, wobei die Rastnase 20 insbesondere von einer Rastfeder abragt, die einer Breitseitenwand 18 zugeordnet ist.A device which is characterized in that a latching device, in particular in the form of a latching lug 20, with which the adapter piece 4 is held in the insertion channel 7, the latching lug 20 projecting in particular from a latching spring which is assigned to a broad side wall 18.

Eine Vorrichtung, die dadurch gekennzeichnet ist, dass der Einsteckkanal 7 des Gehäuses 3 zwei sich gegenüberliegende Ausbuchtungen 15, 15' aufweist, insbesondere zum Eintritt eines an der Schiene 2 angeordneten Anschlags 23.A device which is characterized in that the insertion channel 7 of the housing 3 has two opposite bulges 15, 15 ', in particular for the entry of a stop 23 arranged on the rail 2.

Eine Vorrichtung, die dadurch gekennzeichnet ist, dass das Adapterstück 4 zumindest eine Ausbuchtung 21 ausbildet zum Eintritt eines an der Schiene 1 angeordneten Anschlags 23.A device which is characterized in that the adapter piece 4 forms at least one bulge 21 for the entry of a stop 23 arranged on the rail 1.

Eine Vorrichtung, die dadurch gekennzeichnet ist, dass die Einstecköffnung 6 des Gehäuses 3 und/oder die Einstecköffnung 8 des Adapterstücks 4 ein im Wesentlichen kreuzförmiges Fenster ausbildet, dem sich der Einsteckkanal (7, 9) anschließt.A device which is characterized in that the insertion opening 6 of the housing 3 and / or the insertion opening 8 of the adapter piece 4 forms an essentially cruciform window, to which the insertion channel (7, 9) connects.

Eine Vorrichtung, die gekennzeichnet ist durch eine Spiegelsymmetrie der Vorrichtung.A device which is characterized by a mirror symmetry of the device.

Eine Vorrichtung, die dadurch gekennzeichnet ist, dass die Vorrichtung zwei Verriegelungselemente, insbesondere Verriegelungsbolzen 24 aufweist, zum Eintritt jeweils in eine Verriegelungsöffnung 22 einer in das Gehäuse 3 eingesteckten Schiene 1, 2.A device which is characterized in that the device has two locking elements, in particular locking bolts 24, for entry into a locking opening 22 of a rail 1, 2 inserted into the housing 3.

Eine Vorrichtung, die gekennzeichnet ist durch einen Druckknopf 25, der gegen eine Rückstellfeder 26 in einer Gehäuseausnehmung verlagerbar ist, und der über einen Stab 27 mit einem Träger 28 verbunden ist, welcher einen Riegelbolzen 24 trägt, der in einer Verriegelungsstellung den Einsteckkanal 7 kreuzt und der durch Druck auf den Druckknopf 25 aus dem Einsteckkanal 7 bringbar ist. Bezugszeichenliste: 1 Schiene 24 Riegelbolzen 2 Schiene 25 Druckknopf 3 Schienenverbinder 26 Feder 4 Adapterstück 27 Stab 5 Auskleidung 28 Träger 6 Einstecköffnung 29 feste Spannbacke 7 Einsteckkanal 30 bewegliche Spannbacke 8 Einstecköffnung 9 Einsteckkanal 10 Kragen 11 Breitseitenfläche 12 Breitseitenfläche 13 Schmalseitenfläche 14 Nische 15 Ausbuchtung 15' Ausbuchtung 16 Rastausnehmung 17 Schmalwand 18 Breitwand 19 Auswölbung 20 Rastnase 21 Ausbuchtung 22 Verriegelungsöffnung 23 Anschlag A device which is characterized by a push button 25 which can be displaced against a return spring 26 in a housing recess and which is connected via a rod 27 to a carrier 28 which carries a locking bolt 24 which crosses the insertion channel 7 in a locking position and which can be brought out of the insertion channel 7 by pressing the push button 25. <b> List of reference symbols: </b> 1 rail 24th Latch bolt 2nd rail 25th Push button 3rd Rail connector 26 feather 4th Adapter piece 27 Rod 5 lining 28 carrier 6 Insertion opening 29 fixed jaw 7 Insertion channel 30th movable jaw 8th Insertion opening 9 Insertion channel 10th collar 11 Broadside 12th Broadside 13 Narrow side surface 14 niche 15 bulge 15 ' bulge 16 Notch 17th Narrow wall 18th Wide screen 19th Bulge 20th Latch 21 bulge 22 Locking opening 23 attack

Claims (11)

  1. Device for connecting two clamps each having a rail (1, 2), with a housing (3) which has two insertion openings (6) directed away from one another, each having an adjoining insertion channel (7) for insertion in each case of a rail (2), with one large rectangular cross-section which can be attached to the device by means of a locking position in a release position lock bolt (24), wherein the two insertion channels (7) have corner regions which define a substantially rectangular base cross-section and opposite narrow side surfaces (13) and forming opposite broad side surfaces (11, 12), characterized by at least one adapter piece (4) which can be inserted into one of the insertion openings (6) and which reduces the free opening cross-section of the insertion channel (7) for insertion of a rail (1) with another cross-sectional surface.
  2. Device according to claim 1, characterized in that the adapter piece (4) has a lining (5) which adjoins a flange (10), wherein the lining (5) rests at least in some regions against the wall of the insertion channel (7) and in the inserted state forms an insertion channel (9) of reduced cross-section, wherein the flange (10) rests on an end face of the housing (3).
  3. Device according to claim 2, characterized in that the lining (5) is of U-shaped configuration in cross-section, with narrow walls (17) which extend from a broad side wall (18).
  4. Device according to one of claims 2 or 3, characterized in that the lining (18) forms a broad side wall (19) which has a bulge (19).
  5. Device according to one of claims 1 to 4, characterized by a latching device, in particular in the form of a latching lug (20), by which the adapter piece 4 is held in the insertion channel (7), wherein the latching lug (20) projects in particular from a latching spring associated with a broad side wall (18).
  6. Device according to one of claims 1 to 5, characterized in that the insertion channel (7) in the housing (3) has two opposing convexities (15, 15'), in particular for entry of a stop (23) disposed on the rail (2).
  7. Device according to one of claims 1 to 6, characterized in that the adapter piece (4) forms at least one convexity (21) for entry of a stop (23) disposed on the rail (1).
  8. Device according to one of claims 1 to 7, characterized in that the insertion opening (6) in the housing (3) and/or the insertion opening (8) of the adapter piece (4) forms a substantially cross-shaped window which is adjoined by the insertion channel (7, 9).
  9. Device according to one of claims 1 to 8, characterized by a mirror symmetry of the device.
  10. Device according to one of claims 1 to 9, characterized in that the two locking bolts (24) enter in each case in a locking opening (22) of a rail (1, 2) being inserted in the housing (3).
  11. Device according to one of claims 1 to 10, characterized by a push button (25) which can be displaced against a restoring spring (26) in a housing recess, and which is connected by means of a rod (27) to a support (28) bearing a locking bolt (24) which in a locking position intersects the insertion channel (7) and can be brought out of the insertion channel (7) by pressure on the push button (25).
EP14704546.2A 2013-02-04 2014-02-04 Clamp connector Active EP2950978B1 (en)

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DE202013100494.4U DE202013100494U1 (en) 2013-02-04 2013-02-04 Clamps connector
PCT/EP2014/052075 WO2014118379A1 (en) 2013-02-04 2014-02-04 Clamp connector

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Also Published As

Publication number Publication date
US9533399B2 (en) 2017-01-03
US20150360348A1 (en) 2015-12-17
EP2950978A1 (en) 2015-12-09
DE202013100494U1 (en) 2014-05-06
WO2014118379A1 (en) 2014-08-07

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