EP0080612A2 - Cross connector - Google Patents

Cross connector Download PDF

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Publication number
EP0080612A2
EP0080612A2 EP82110245A EP82110245A EP0080612A2 EP 0080612 A2 EP0080612 A2 EP 0080612A2 EP 82110245 A EP82110245 A EP 82110245A EP 82110245 A EP82110245 A EP 82110245A EP 0080612 A2 EP0080612 A2 EP 0080612A2
Authority
EP
European Patent Office
Prior art keywords
cross
cross connector
screws
connector according
holder
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.)
Granted
Application number
EP82110245A
Other languages
German (de)
French (fr)
Other versions
EP0080612A3 (en
EP0080612B1 (en
Inventor
Wolfgang Kretzschmar
Peter Edward Murray
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.)
Ca Weidmueller & Co GmbH
Weidmueller Interface GmbH and Co KG
Original Assignee
Ca Weidmueller & Co GmbH
Weidmueller Interface GmbH and Co KG
CA Weidmueller GmbH and Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ca Weidmueller & Co GmbH, Weidmueller Interface GmbH and Co KG, CA Weidmueller GmbH and Co filed Critical Ca Weidmueller & Co GmbH
Priority to AT82110245T priority Critical patent/ATE21584T1/en
Publication of EP0080612A2 publication Critical patent/EP0080612A2/en
Publication of EP0080612A3 publication Critical patent/EP0080612A3/en
Application granted granted Critical
Publication of EP0080612B1 publication Critical patent/EP0080612B1/en
Expired legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/30—Clamped connections, spring connections utilising a screw or nut clamping member
    • H01R4/301—Clamped connections, spring connections utilising a screw or nut clamping member having means for preventing complete unscrewing of screw or nut
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/30—Clamped connections, spring connections utilising a screw or nut clamping member
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/22—Bases, e.g. strip, block, panel
    • H01R9/24—Terminal blocks
    • H01R9/26—Clip-on terminal blocks for side-by-side rail- or strip-mounting
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/22—Bases, e.g. strip, block, panel
    • H01R9/24—Terminal blocks
    • H01R9/26—Clip-on terminal blocks for side-by-side rail- or strip-mounting
    • H01R9/2675—Electrical interconnections between two blocks, e.g. by means of busbars

Definitions

  • the invention relates to a cross connector for terminal blocks, consisting of a connecting web on which spacers extending at predetermined distances from the terminal blocks to their busbars are arranged above predetermined breaking points, the cross connector being equipped with screws held by the spacers.
  • Such preassembled cross connectors for terminal blocks have the advantage of simplifying assembly compared to non-preassembled individual elements with which a cross connection can be made.
  • a pre-assembled cross connector of this type only the screws need to be screwed into the corresponding threaded bores in the busbar of the affected terminal block after the pre-assembled cross connector has been placed on the arrangement of the affected terminal blocks. Spacers that are not required correspond to those terminal blocks that should not be brought to the potential in question len are canceled at the predetermined breaking point.
  • the connecting web is a connecting strip which practically completely fills the receiving space provided in the terminal blocks, and the attached spacers are formed from two downward-pointing tabs which together form a sleeve which is open at two locations, wherein the tab deformation is driven so far that these sleeve-shaped parts resiliently rest against the screw inserted through a hole in the connecting strip.
  • the result is a complicated bent and stamped part.
  • the present invention has for its object to provide a cross connector of the generic type, which is particularly easy to manufacture and assemble to create the desired cross connections.
  • the solution according to the invention is that the spacers are approximately L-shaped tabs, in the short cross leg below the screws are arranged, and that the screws pass through them from above fende holder provided with a screwdriver opening are held captive, the holder being connected on the top side to a common connecting strip.
  • the metallic connecting web with the attached L-shaped spacers is a particularly easy to produce bent and stamped part, which is all the easier since it only has the simple plug-in openings with regard to the mounting of the screws, but otherwise it does not with regard to the captive mounting of the screws Function. Rather, this is done by the attached, located on a common connecting bar holder. Their installation is in turn a very simple assembly process, because this can be done with the help of the joint strip common to them.
  • the screws sit at the bottom in the short crossbars of the L-shaped tabs, i.e. screws with a very short shaft can be used and in any case it is guaranteed that under no circumstances will any plastic area of the affected person with the screwing force Terminal block can be applied.
  • the screw head presses directly and immediately only over the short cross leg of the L-shaped bracket onto the busbar of the terminal block concerned.
  • the connecting web is a narrow grip strip
  • the The connecting strip of the holder is designed as a sleeve made of insulating material surrounding the grip strip.
  • the design of the connecting web as a narrow grip ledge means that it only fills one side of the receptacle usually provided in the terminal blocks for such cross connectors, while the other side of the receptacles still remains free. If necessary, another cross connector can be used here, so that a terminal block arrangement can be switched to two different potentials.
  • the design of the connecting strip of the holder as an insulating sleeve surrounding the metallic grip strip has the advantage that the connecting strip provided for the holder also forms reliable insulation for the metallic connecting web.
  • the assembly of the pre-assembled cross connector is also very easy. You can, for example, automatically drop the screws into the short cross legs of the L-shaped spacers and then simply connect the connecting bar with the attached L-shaped tabs and the screws located therein from below into the insulating material part, consisting of the sleeve-shaped connecting strip and the attached holders, slide, the brackets then sitting over the screws.
  • the cross connector has a narrow, metallic grip strip 1 as a connecting web running across the row terminal blocks, on each of which spacers are arranged on their lower side via predetermined breaking points 2 are, which are designed as L-shaped (Fig. 2) tabs 3.
  • the L-shaped tabs 3 extend so far down that they reach in the respective terminal blocks up to their busbars, on which the cross connector is fixed.
  • Very short screws 6 can be used in this embodiment.
  • the screwing force is transmitted directly via the screw head to the cross leg 4 and to the busbar of the affected terminal block directly underneath.
  • the screwing force itself does not exert any torsional or deformation force on the L-shaped tab 3, especially not if its bottom area is at least the same size as the screw head.
  • the screwing force applied for fixing can in no way be transferred to an adjacent plastic area of the terminal block concerned.
  • the screws 6 are to be held captively in the cross legs 4 of the brackets 3.
  • holders 8 made of insulating material are provided for each of the tabs 3 and thus for each of the screws 6, which are formed in one piece with a common connecting strip in the form of a sleeve 9.
  • the holders 8 hang with their one upper edge (see FIG. 2) on one lower edge of the sleeve 9.
  • the sleeve 9 is designed so that it can completely accommodate the metallic handle 1, so that the metallic handle 1 is protected against contact.
  • connection area 10 between the holders 8 and the casing 9 is so narrow that this connection area can also be referred to as a predetermined breaking point. If necessary, there is therefore the possibility not only of breaking off the undesired L-shaped tabs 3 from the grip strip 1 via the predetermined breaking point 2, but also of the associated holders 8 from the casing 9 via the predetermined breaking point 10.
  • the individual holders 8 are hollow hollow parts in cross section. Its lower area is open at the bottom and forms a receiving space 11 with a rectangular cross section the heads of the screws 6. At the top there is a screwdriver opening 12 which opens into the receiving space 11 and which is circular in cross section and is dimensioned such that it also forms a screwdriver guide which facilitates the screwing in of the screws.
  • the diameter of the screwdriver opening 12 is at the same time dimensioned such that the screw 6 with its screw head cannot fall out here.
  • receiving slots 13 are also provided in the sheath 9 serving as a connecting strip for the holders 8 in the region of the dividing walls of the terminal blocks in a row of terminal blocks. These are dimensioned in such a way that they receive the upper area of these partition walls with a slight clamping effect. It is thus possible with an overhead arrangement to give the cross connector a secure hold against falling down even on the row terminal block if no screw is screwed into a busbar of a terminal block.
  • the cross connector is assembled in a simple manner by first inserting the screws 6 into the cross legs 4 of the tabs 3 and then the metallic area, consisting of the connecting web or the handle strip 1 and the attached tabs 3 with the screws 6 inserted, is inserted into the separate one-piece plastic part, consisting of the casing 9 with the holders 8, after which the holders 8 then overlap the screw heads 6 and hold them captively.
  • a plurality of latching openings 14 are expediently provided in the handle bar 1, and latching knobs 15 are formed on the inner walls of the sleeve 9 at corresponding points, which snap into the latching openings 14 in the assembled state to grab.
  • the grip bar 1 with its casing 9 fills only one side of this receiving space.
  • the handle bar of a second cross connector of this type with the L-shaped brackets in mirror image to each other, could be used.
  • the terminal blocks of such a series could be brought to two mutually different potentials.
  • two such cross connectors with their grip strips facing each other so that there is a double cross connection for the terminal blocks, in which case all the terminal blocks concerned are connected to both cross connectors. This would make such a cross-connection loadable, for example, with the full nominal current of the terminal blocks.

Landscapes

  • Connections Arranged To Contact A Plurality Of Conductors (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Mechanical Coupling Of Light Guides (AREA)
  • Connections By Means Of Piercing Elements, Nuts, Or Screws (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Processing Of Terminals (AREA)
  • Lead Frames For Integrated Circuits (AREA)
  • Shearing Machines (AREA)

Abstract

A connector for electrically connecting a row of electrical clamps with one another includes an electrically conductive connecting strip which is designed to span the clamps and to define gaps with the electrical contacts of the clamps. The connecting strip is of one piece with a plurality of bridging members which are designed to bridge the gaps between the connecting strip and the contacts of the clamps. The bridging members are L-shaped and include long legs which project from the connecting strip and short legs which extend from the long legs and are arranged to engage the contacts of the clamps. The short legs have openings which receive screws for connecting the short legs with the contacts. The heads of the screws are embraced by retaining sleeves which prevent displacement or loss of the screws. The retaining sleeves have openings to permit insertion of a screwdriver for tightening and loosening the screws. The diameters of these openings are smaller than the diameters of the heads of the screws. The retaining sleeves are of one piece with an insulating jacket which surrounds the connecting strip. The connector is simple to manufacture and assemble.

Description

Die Erfindung betrifft einen Querverbinder für Reihenklemmen, bestehend aus einem Verbindungssteg, an dem im Abstand der Reihenklemmen zu deren Stromschienen reichende Distanzstücke über Sollbruchstellen angeordnet sind, wobei der Querverbinder mit von den Distanzstücken gehaltenen Schrauben bestückt ist.The invention relates to a cross connector for terminal blocks, consisting of a connecting web on which spacers extending at predetermined distances from the terminal blocks to their busbars are arranged above predetermined breaking points, the cross connector being equipped with screws held by the spacers.

Derartige vormontierte Querverbinder für Reihenklemmen haben gegenüber nicht vormontierten Einzelelementen, mit denen eine Querverbindung hergestellt werden kann, den Vorzug einer Montagevereinfachung. Es brauchen bei einem derartig vormontierten Querverbinder nur noch die Schrauben in die entsprechenden Gewindebohrungen in der Stromschiene der betroffenen Reihenklemme eingeschraubt werden, nachdem der vormontierte Querverbinder auf die Anreihung der betroffenen Reihenklemmen aufgesetzt ist. Nicht benötigte Distanzstücke entsprechend denjenigen Reihenklemmen, die nicht auf das in Frage stehende Potential gebracht weiden sollen, werden an der Sollbruchstelle abgebrochen.Such preassembled cross connectors for terminal blocks have the advantage of simplifying assembly compared to non-preassembled individual elements with which a cross connection can be made. With a pre-assembled cross connector of this type, only the screws need to be screwed into the corresponding threaded bores in the busbar of the affected terminal block after the pre-assembled cross connector has been placed on the arrangement of the affected terminal blocks. Spacers that are not required correspond to those terminal blocks that should not be brought to the potential in question len are canceled at the predetermined breaking point.

Bei einem bekannten Querverbinder (DE-OS 23 57 052) ist der Verbindungssteg ein den dafür vorgesehenen Aufnahmeraum in den Reihenklemmen praktisch vollständig ausfüllender Verbindungsstreifen, und die anhängenden Distanzstücke sind aus zwei nach unten weisenden, zusammen eine an zwei Stellen offene Hülse bildende Laschen gebildet, wobei die Laschenverformung so weit getrieben ist, daß diese hülsenförmigen Teile federnd an der durch eine Bohrung im Verbindungsstreifen eingesteckten Schraube anliegen. Es ergibt sich ein kompliziertes Biege- und Stanzteil. Es werden lange, vom Verbindungsstreifen bis zu den Stromschienen reichende Schrauben benötigt und es müssen weitere, das Biege- und Stanzteil verkomplizierende Maßnahmen getroffen werden, um sicherzustellen, daß beim Verschrauben die hülsenförmigen Distanzstücke sich auch tatsächlich nur in Richtung auf die Schraube zu verformen, also nicht etwa beim Verschrauben von dieser fortgespreizt werden und dann dadurch ihre Halte- und Führungsfunktion bezüglich der Schraube verlieren.In a known cross connector (DE-OS 23 57 052), the connecting web is a connecting strip which practically completely fills the receiving space provided in the terminal blocks, and the attached spacers are formed from two downward-pointing tabs which together form a sleeve which is open at two locations, wherein the tab deformation is driven so far that these sleeve-shaped parts resiliently rest against the screw inserted through a hole in the connecting strip. The result is a complicated bent and stamped part. Long screws extending from the connecting strip to the busbars are required and further measures that complicate the bent and stamped part must be taken to ensure that when screwing the sleeve-shaped spacers actually only deform in the direction of the screw, that is not be spread apart by screwing and then lose their holding and guiding function with respect to the screw.

Der vorliegenden Erfindung liegt die Aufgabe zugrunde, einen Querverbinder der gattungsgemäßen Art zu schaffen, der besonders einfach herzustellen und zur Erstellung der gewünschten Querverbindungen zu montieren ist.The present invention has for its object to provide a cross connector of the generic type, which is particularly easy to manufacture and assemble to create the desired cross connections.

Die erfindungsgemäße Lösung besteht darin, daß die Distanzstücke etwa L-förmige Laschen sind, in deren unten liegendem kurzen Querschenkel die Schrauben angeordnet sind, und daß die Schrauben durch sie von oben übergreifende, mit einer Schraubendreheröffnung versehene Halter unverlierbar gehalten sind, wobei die Halter oberseitig mit einer dhnen gemeinsamen Verbindungsleiste verbunden sind.The solution according to the invention is that the spacers are approximately L-shaped tabs, in the short cross leg below the screws are arranged, and that the screws pass through them from above fende holder provided with a screwdriver opening are held captive, the holder being connected on the top side to a common connecting strip.

Der metallische Verbindungssteg mit den anhängenden L-förmigen Distanzstücken ist ein besonders einfach herzustellendes Biege- und Stanzteil, das um so einfacher ist, als es bezüglich der Halterung der Schrauben nur noch die einfachen Stecköffnungen aufweist, ihm ansonsten aber bezüglich der unverlierbaren Halterung der Schrauben keine Funktion zukommt. Dies geschieht vielmehr durch die aufgesetzten, an einer gemeinsamen Verbindungsleiste befindlichen Halter. Deren Anbringung ist wiederum ein denkbar einfacher Montagevorgang, weil dies mit Hilfe der ihnen gemeinsamen Verbindungsleiste geschehen kann.The metallic connecting web with the attached L-shaped spacers is a particularly easy to produce bent and stamped part, which is all the easier since it only has the simple plug-in openings with regard to the mounting of the screws, but otherwise it does not with regard to the captive mounting of the screws Function. Rather, this is done by the attached, located on a common connecting bar holder. Their installation is in turn a very simple assembly process, because this can be done with the help of the joint strip common to them.

Hervorzuheben ist auch, daß bei dieser Ausgestaltung die Schrauben unten in den kurzen Querstegen der L-förmigen Laschen sitzen, also Schrauben mit sehr kurzem Schaft verwendet werden können und in jedem Fall gewährleistet ist, daß unter gar keinen Umständen mit der Schraubkraft irgendein Kunststoffbereich der betroffenen Reihenklemme beaufschlagt werden kann. Hier drückt ja der Schraubenkopf direkt und unmittelbar immer nur über den kurzen Querschenkel der L-förmigen Lasche auf die Stromschiene der betroffenen Reihenklemme.It should also be emphasized that with this configuration, the screws sit at the bottom in the short crossbars of the L-shaped tabs, i.e. screws with a very short shaft can be used and in any case it is guaranteed that under no circumstances will any plastic area of the affected person with the screwing force Terminal block can be applied. Here the screw head presses directly and immediately only over the short cross leg of the L-shaped bracket onto the busbar of the terminal block concerned.

Gemäß einer besonders bevorzugten Ausgestaltung ist der Verbindungssteg eine schmale Griffleiste, und die Verbindungsleiste der Halter ist als eine die Griffleiste umgebende Hülle aus isolierendem Material ausgebildet. Die Ausgestaltung des Verbindungssteges als schmale Griffleiste führt dazu, daß durch sie nur die eine Seite der üblicherweise in den Reihenklemmen für derartige Querverbinder vorgesehene Aufnahme ausgefüllt wird, während die andere Seite der Aufnahmen noch frei bleibt. Es kann hier somit im Bedarfsfall noch ein weiterer Querverbinder eingesetzt werden, so daß eine Reihenklemmenanordnung auf zwei verschiedene Potentiale geschaltet werden kann. Die Ausgestaltung der Verbindungsleiste der Halter als die metallische Griffleiste umgebende isolierende Hülle hat den Vorteil, daß die für die Halter vorgesehene Verbindungsleiste zugleich eine zuverlässige Isolierung für den metallischen Verbindungssteg bildet. Insgesamt wird auch die Montage des vorzumontierenden Querverbinders denkbar einfach. Man kann z.B. automatisch die Schrauben in die kurzen Querschenkel der L-förmigen Distanzstücke fallen lassen und dann einfach den Verbindungssteg mit den anhängenden L-förmigen Laschen und den darin befindlichen Schrauben von unten in das Isoliermaterialteil, bestehend aus der hüllenförmigen Verbindungsleiste und den anhängenden Haltern, schieben, wobei sich die Halter dann über die Schrauben setzen.According to a particularly preferred embodiment, the connecting web is a narrow grip strip, and the The connecting strip of the holder is designed as a sleeve made of insulating material surrounding the grip strip. The design of the connecting web as a narrow grip ledge means that it only fills one side of the receptacle usually provided in the terminal blocks for such cross connectors, while the other side of the receptacles still remains free. If necessary, another cross connector can be used here, so that a terminal block arrangement can be switched to two different potentials. The design of the connecting strip of the holder as an insulating sleeve surrounding the metallic grip strip has the advantage that the connecting strip provided for the holder also forms reliable insulation for the metallic connecting web. Overall, the assembly of the pre-assembled cross connector is also very easy. You can, for example, automatically drop the screws into the short cross legs of the L-shaped spacers and then simply connect the connecting bar with the attached L-shaped tabs and the screws located therein from below into the insulating material part, consisting of the sleeve-shaped connecting strip and the attached holders, slide, the brackets then sitting over the screws.

Weitere bevorzugte Ausgestaltungen eines derartigen Querverbinders sind in den Unteransprüchen gekennzeichnet.Further preferred configurations of such a cross connector are characterized in the subclaims.

Besonders hervorzuheben ist dabei die Möglichkeit, die Schraubendreheröffnung oben in den Haltern als im Querschnitt kreisförmige Schraubendreherführung auszubilden, wodurch das Eindrehen der Schrauben sehr erleichtert wird.Particularly noteworthy is the possibility of using the screwdriver opening in the top of the holders to form a circular screwdriver guide in cross section, which makes screwing in the screws very easy.

Hervorzuheben ist ferner die Ausgestaltung, nach der in der den Halter gemeinsamen Verbindungsleiste im Bereich der Trennwände der Reihenklemmen einer Anreihung Aufnahmeschlitze vorgesehen sind, die so dimen- . sioniert sind, daß sie die Trennwände leicht klemmend aufnehmen können. Dieses erleichtert im Bedarfsfall auch eine Montage des Querverbinders über Kopf außerordentlich. Das leicht klemmende Aufsetzen gewährleistet, daß der auf die Reihenklemmenanreihung aufgesetzte Querverbinder auch, bevor die erste Schraube festgezogen ist, nicht unbeabsichtigt herabfällt.Also to be emphasized is the configuration according to which receiving slots are provided in the connecting bar common to the holder in the region of the dividing walls of the terminal blocks of a row, which are dimensioned in this way. Are sioned that they can easily take the partitions clamp. If necessary, this also greatly simplifies installation of the cross connector overhead. The slightly clamping attachment ensures that the cross connector placed on the row of terminal blocks does not fall down unintentionally even before the first screw is tightened.

Ein Ausführungsbeispiel eines derartigen Querverbinders wird nachstehend unter Bezugnahme auf die beigefügte Zeichnung beschrieben.An embodiment of such a cross connector is described below with reference to the accompanying drawings.

Es zeigen

  • Fig. l einen derartigen Querverbinder in Teilvorderansicht,
  • Fig. 2 einen Schnitt gemäß Schnittlinie II - II der Fig. 1.
Show it
  • 1 such a cross connector in partial front view,
  • 2 shows a section along section line II - II of FIG. 1st

Der Querverbinder hat als quer über die angereihten Reihenklemmen verlaufenden Verbindungssteg eine schmale, metallische Griffleiste 1, an der an ihrer unteren Seite über Sollbruchstellen 2 jeweils Distanzstücke angeordnet sind, die als L-förmige (Fig. 2) Laschen 3 ausgebildet sind. Die L-förmigen Laschen 3 reichen so weit nach unten, daß sie in den jeweiligen Reihenklemmen bis hin zu deren Stromschienen reichen, an denen die Festlegung des Querverbinders erfolgt.The cross connector has a narrow, metallic grip strip 1 as a connecting web running across the row terminal blocks, on each of which spacers are arranged on their lower side via predetermined breaking points 2 are, which are designed as L-shaped (Fig. 2) tabs 3. The L-shaped tabs 3 extend so far down that they reach in the respective terminal blocks up to their busbars, on which the cross connector is fixed.

An den unten liegenden kurzen Querschenkeln 4 der Laschen 3 befinden sich Stecköffnungen 5, durch die die Schrauben 6 gesteckt werden können, wonach diese dann mit ihren Schraubenköpfen oben auf den Querschenkeln 4 aufliegen.At the short transverse legs 4 of the tabs 3 below there are plug-in openings 5 through which the screws 6 can be inserted, after which these then rest with their screw heads on top of the transverse legs 4.

Es können bei dieser Ausgestaltung sehr kurze Schrauben 6 eingesetzt werden. Die Schraubkraft wird direkt über den Schraubenkopf auf den Querschenkel 4 und auf die unmittelbar darunter liegende Stromschiene der betroffenen Reihenklemme übertragen. Die Schraubkraft selbst übt dabei auch keinerlei Verwindungs- oder Verformungskraft auf die L-förmige Lasche 3 aus, insbesondere dann nicht, wenn deren Bodenbereich zumindest in Größe des Schraubenkopfes eben ausgebildet ist.Very short screws 6 can be used in this embodiment. The screwing force is transmitted directly via the screw head to the cross leg 4 and to the busbar of the affected terminal block directly underneath. The screwing force itself does not exert any torsional or deformation force on the L-shaped tab 3, especially not if its bottom area is at least the same size as the screw head.

Bei dieser Ausgestaltung kann auch die zur Festlegung aufgebrachte Schraubkraft in keiner Weise auf einen angrenzenden Kunststoffbereich der betroffenen Reihenklemme übertragen werden. In diesem Zusammenhang ist es auch wichtig, die L-förmigen Laschen 3 so weit nach unten reichen zu lassen und in dem als Griffleiste ausgebildeten Verbindungssteg 1 so weit nach oben reichende Aufnahmen 7 vorzusehen, daß sich die metallische Griffleiste 1 nicht bei ihrem Verlauf von Reihenklemme zu Reihenklemme an einem Trennwandbereich, wie er in Fig. 2 strichpunktiert im Zusammenhang mit der dort ebenfalls strichpunktiert angedeuteten Aufnahme einer Reihenklemme für den Querverbinder angedeutet ist, abstützt.With this configuration, the screwing force applied for fixing can in no way be transferred to an adjacent plastic area of the terminal block concerned. In this context, it is also important to allow the L-shaped tabs 3 to extend so far downward and to provide receptacles 7 reaching so far upward in the connecting web 1 designed as a grip strip that the metallic grip strip 1 does not change during the course of terminal blocks to terminal block on a partition area, such as it is indicated by dash-dotted lines in FIG. 2 in connection with the receptacle of a terminal block for the cross connector, which is also indicated by dash-dotted lines.

Im Hinblick auf die bei derartigen Querverbindern anzutreffenden Montageschwierigkeiten sollen die Schrauben 6 unverlierbar in den Querschenkeln 4 der Laschen 3 gehalten werden. Hierzu sind für jede der Laschen 3 und damit für jede der Schrauben 6 aus Isolierstoff bestehende Halter 8 vorgesehen, die einstückig mit einer gemeinsamen Verbindungsleiste in Form einer Hülle 9 gebildet sind. Die Halter 8 hängen dabei mit ihrer einen Oberkante (s. Fig. 2) an der einen Unterkante der Hülle 9. Die Hülle 9 ist dabei so ausgebildet, daß sie die metallische Griffleiste 1 vollständig in sich aufnehmen kann, so daß die metallische Griffleiste 1 berührungsgeschützt ist.With regard to the installation difficulties encountered with such cross connectors, the screws 6 are to be held captively in the cross legs 4 of the brackets 3. For this purpose, holders 8 made of insulating material are provided for each of the tabs 3 and thus for each of the screws 6, which are formed in one piece with a common connecting strip in the form of a sleeve 9. The holders 8 hang with their one upper edge (see FIG. 2) on one lower edge of the sleeve 9. The sleeve 9 is designed so that it can completely accommodate the metallic handle 1, so that the metallic handle 1 is protected against contact.

Der Verbindungsbereich 10 zwischen den Haltern 8 und der Hülle 9 ist dabei so schmal, daß man diesen Verbindungsbereich auch als Sollbruchstelle bezeichnen kann. Es besteht somit im Bedarfsfall die Möglichkeit, an den erforderlichen Stellen nicht nur die nicht gewünschten L-förmigen Laschen 3 von der Griffleiste 1 über die Sollbruchstelle 2 abzubrechen, sondern auch den zugehörigen Haltern 8 über die Sollbruchstelle 10 von der Hülle 9.The connection area 10 between the holders 8 and the casing 9 is so narrow that this connection area can also be referred to as a predetermined breaking point. If necessary, there is therefore the possibility not only of breaking off the undesired L-shaped tabs 3 from the grip strip 1 via the predetermined breaking point 2, but also of the associated holders 8 from the casing 9 via the predetermined breaking point 10.

Die einzelnen Halter 8 sind im dargestellten Ausführungsbeispiel im Querschnitt rechteckige Hohlteile. Ihr unterer Bereich ist nach unten offen und bildet einen im Querschnitt rechteckigen Aufnahmeraum 11 für die Köpfe der Schrauben 6. Nach oben schließt sich an den Aufnahmeraum 11 eine in diesen mündende Schraubendreheröffnung 12 an, die im Querschnitt kreisförmig ausgebildet und so dimensioniert ist, daß sie zugleich eine Schraubendreherführung bildet, die das Einschrauben der Schrauben erleichtert. Der Durchmesser der Schraubendreheröffnung 12 ist zugleich so bemessen, daß die Schraube 6 mit ihrem Schraubenkopf hier nicht herausfallen kann.In the exemplary embodiment shown, the individual holders 8 are hollow hollow parts in cross section. Its lower area is open at the bottom and forms a receiving space 11 with a rectangular cross section the heads of the screws 6. At the top there is a screwdriver opening 12 which opens into the receiving space 11 and which is circular in cross section and is dimensioned such that it also forms a screwdriver guide which facilitates the screwing in of the screws. The diameter of the screwdriver opening 12 is at the same time dimensioned such that the screw 6 with its screw head cannot fall out here.

Wie insbesondere aus Fig. 1 ersichtlich, sind auch in der als Verbindungsleiste für die Halter 8 dienenden Hülle 9 im Bereich der Trennwände der Reihenklemmen einer Reihenklemmenanreihung Aufnahmeschlitze 13 vorgesehen. Diese sind so bemessen, daß sie den oberen Bereich dieser Trennwände leicht klemmend aufnehmen. Es ist somit bei einer Überkopfanordnung möglich, dem Querverbinder auch dann schon auf der Reihenklemmenanreihung einen gegen ein Herabfallen gesicherten Halt zu geben, wenn noch gar keine Schraube in eine Stromschiene einer Reihenklemme eingeschraubt ist.As can be seen in particular from FIG. 1, receiving slots 13 are also provided in the sheath 9 serving as a connecting strip for the holders 8 in the region of the dividing walls of the terminal blocks in a row of terminal blocks. These are dimensioned in such a way that they receive the upper area of these partition walls with a slight clamping effect. It is thus possible with an overhead arrangement to give the cross connector a secure hold against falling down even on the row terminal block if no screw is screwed into a busbar of a terminal block.

Das Montieren des Querverbinders geschieht in einfacher Weise dadurch, daß zunächst die Schrauben 6 in die Querschenkel 4 der Laschen 3 gesteckt werden und dann der metallische Bereich, bestehend aus dem Verbindungssteg bzw. der Griffleiste 1 und den anhängenden Laschen 3 mit den eingesetzten Schrauben 6, in das gesonderte einstückige Kunststoffteil, bestehend aus der Hülle 9 mit den Haltern 8, eingeschoben wird, wonach dann die Halter 8 die Schraubenköpfe 6 übergreifen und sie unverlierbar halten.The cross connector is assembled in a simple manner by first inserting the screws 6 into the cross legs 4 of the tabs 3 and then the metallic area, consisting of the connecting web or the handle strip 1 and the attached tabs 3 with the screws 6 inserted, is inserted into the separate one-piece plastic part, consisting of the casing 9 with the holders 8, after which the holders 8 then overlap the screw heads 6 and hold them captively.

Für eine sichere Verbindung zwischen der metallischen Griffleiste 1 und der Hülle 9 aus Isolierstoffmaterial sind zweckmäßig in der Griffleiste 1 mehrere Rastöffnungen 14 vorgesehen, und an den Innenwänden der Hülle 9 sind an entsprechenden Stellen Rastnoppen 15 angeformt, die in montiertem Zustand schnappend in die Rastöffnungen 14 greifen.For a secure connection between the metallic handle strip 1 and the sleeve 9 made of insulating material, a plurality of latching openings 14 are expediently provided in the handle bar 1, and latching knobs 15 are formed on the inner walls of the sleeve 9 at corresponding points, which snap into the latching openings 14 in the assembled state to grab.

Wie die Anschauung der Fig. 2 mit dem strichpunktiert angedeuteten üblichen Aufnahmeraum der Reihenklemmen für derartige Querverbinder zeigt, füllt die Griffleiste 1 mit ihrer Hülle 9 nur die eine Seite dieses Aufnahmeraumes aus. Auf der anderen Seite könnte die Griffleiste eines zweiten Querverbinders dieser Art, mit den L-förmigen Laschen spiegelbildlich zueinander, eingesetzt werden. Durch Wegbrechen der entsprechenden L-förmigen Laschen könnten die Reihenklemmen einer derartigen Anreihung auf zwei voneinander abweichende Potentiale gebracht werden. Es könnten auch ohne weiteres zwei derartige Querverbinder-so mit ihren Griffleisten sich gegenüberliegend eingesetzt werden, daß sich eine Doppelquerverbindung für die Reihenklemmen ergibt, bei der dann alle betroffenen Reihenklemmen mit beiden Querverbindern verbunden sind. Hierdurch würde eine solche Querverbindung beispielsweise mit dem vollen Nennstrom der Reihenklemmen belastbar.As the view of FIG. 2 with the usual receiving space of the terminal blocks for such cross-connectors indicated by dash-dotted lines shows, the grip bar 1 with its casing 9 fills only one side of this receiving space. On the other hand, the handle bar of a second cross connector of this type, with the L-shaped brackets in mirror image to each other, could be used. By breaking away the corresponding L-shaped tabs, the terminal blocks of such a series could be brought to two mutually different potentials. It would also be possible to use two such cross connectors with their grip strips facing each other so that there is a double cross connection for the terminal blocks, in which case all the terminal blocks concerned are connected to both cross connectors. This would make such a cross-connection loadable, for example, with the full nominal current of the terminal blocks.

Claims (9)

1. Querverbinder für Reihenklemmen, bestehend aus einem Verbindungssteg, an dem im Abstand der Reihenklemmen zu deren Stromschienen reichende Distanzstücke über Sollbruchstellen angeordnet sind, wobei der Querverbinder mit in den Distanzstücken gehaltenen Schrauben bestückt ist, dadurch gekennzeichnet , daß die Distanzstücke L-förmige Laschen (3) sind, in deren unten liegenden kurzen Querschenkeln (4) die Schrauben (6) angeordnet sind, und daß die Schrauben (6) durch sie von oben übergreifende, mit einer Schraubendreheröffnung (12) versehene Halter (8) unverlierbar gehalten sind, wobei die Halter (8) oberseitig mit einer ihnen gemeinsamen Verbindungsleiste (9) verbunden sind.1.Cross connector for terminal blocks, consisting of a connecting web on which spacers extending at predetermined distances from the terminal blocks to their busbars are arranged above predetermined breaking points, the cross connector being equipped with screws held in the spacers, characterized in that the spacers have L-shaped tabs ( 3), in the lower transverse legs (4) of which the screws (6) are arranged, and that the screws (6) are held captive by them from above, with a screwdriver opening (12) provided holder (8), whereby the holders (8) are connected on the upper side to a connecting bar (9) common to them. 2. Querverbinder nach Anspruch 1, dadurch gekennzeichnet, daß der Verbindungssteg als schmale Griffleiste (1) ausgebildet ist und die Verbindungsleiste der Halter (8) als die Griffleiste (1) umgebende Hülle (9) aus Isolierstoffmaterial ausgebildet ist.2. Cross connector according to claim 1, characterized in that the connecting web is designed as a narrow handle bar (1) and the connecting bar of the holder (8) as the handle bar (1) surrounding sleeve (9) is made of insulating material. 3. Querverbinder nach Anspruch 1, dadurch gekennzeichnet, daß der kurze Querschenkel (4) der Laschen (3) zumindest im Auflagebereich des Schraubenkopfes eben ausgebildet ist.3. Cross connector according to claim 1, characterized in that the short cross leg (4) of the tabs (3) is flat at least in the contact area of the screw head. 4. Querverbinder nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Halter (8) einstückig mit der Verbindungsleiste (9) geformt und mit ihr über eine Sollbruchstelle (10) verbunden sind.4. Cross connector according to claim 1 or 2, characterized in that the holder (8) integrally formed with the connecting bar (9) and connected to it via a predetermined breaking point (10). 5. Querverbinder nach Anspruch 2, dadurch gekennzeichnet, daß in der Verbindungsleiste (1) Rastöffnungen (14) vorgesehen sind und an mindestens einer der Innenwände der umgebenden Hülle (9) an entsprechender Stelle Rastnoppen (15) angeformt sind.5. Cross connector according to claim 2, characterized in that in the connecting bar (1) locking openings (14) are provided and on at least one of the inner walls of the surrounding sheath (9) at a corresponding point locking knobs (15) are formed. 6. Querverbinder nach Anspruch 1, dadurch gekennzeichnet, daß in der Verbindungsleiste (9) im Bereich der Trennwände der Reihenklemmen einer Klemmenanreihung Aufnahmeschlitze (13) vorgesehen sind, die so dimensioniert sind, daß sie die Trennwände leicht klemmend aufnehmen.6. Cross connector according to claim 1, characterized in that receiving slots (13) are provided in the connecting strip (9) in the region of the partitions of the terminal blocks of a row of terminals, which are dimensioned so that they accommodate the partitions easily clamped. 7. Querverbinder nach Anspruch 1, dadurch gekennzeichnet, daß die Halter (8) im Querschnitt rechteckige, nach unten offene Hohlteile sind, die längs ihrer einen Oberkante mit der Verbindungsleiste (9) zusammenhängen.7. Cross connector according to claim 1, characterized in that the holder (8) are rectangular in cross section, downwardly open hollow parts which are connected along their upper edge with the connecting bar (9). 8. Querverbinder nach Anspruch 1 oder 7, dadurch gekennzeichnet, daß die Schraubendreheröffnung (12) als im Querschnitt kreisförmige Schraubendreherführung ausgebildet ist, deren Durchmesser kleiner ist als der größte Durchmesser am Schraubenkopf.8. Cross connector according to claim 1 or 7, characterized in that the screwdriver opening (12) is designed as a circular cross-section screwdriver guide, the diameter of which is smaller than the largest diameter on the screw head. 9. Querverbinder nach Anspruch 8, dadurch gekennzeichnet, daß die Schraubendreherführung (12) in einen darunter liegenden, im Querschnitt rechteckigen Aufnahmeraum für den Schraubenkopf mündet.9. Cross connector according to claim 8, characterized in that the screwdriver guide (12) opens into an underlying, rectangular in cross-section receiving space for the screw head.
EP82110245A 1981-11-26 1982-11-06 Cross connector Expired EP0080612B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT82110245T ATE21584T1 (en) 1981-11-26 1982-11-06 CROSS CONNECTOR.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3146913A DE3146913C2 (en) 1981-11-26 1981-11-26 Cross connector
DE3146913 1981-11-26

Publications (3)

Publication Number Publication Date
EP0080612A2 true EP0080612A2 (en) 1983-06-08
EP0080612A3 EP0080612A3 (en) 1985-05-15
EP0080612B1 EP0080612B1 (en) 1986-08-20

Family

ID=6147279

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82110245A Expired EP0080612B1 (en) 1981-11-26 1982-11-06 Cross connector

Country Status (9)

Country Link
US (1) US4529256A (en)
EP (1) EP0080612B1 (en)
JP (1) JPS6014468B2 (en)
AT (1) ATE21584T1 (en)
AU (1) AU9069382A (en)
CA (1) CA1186761A (en)
DE (2) DE3146913C2 (en)
ES (1) ES275644Y (en)
ZA (1) ZA828684B (en)

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FR2749108B1 (en) * 1996-05-24 1998-08-14 Legrand Sa CONNECTOR FOR ESTABLISHING A CROSS-CONNECTION BETWEEN ALIGNED MODULAR ELECTRICAL DEVICES
KR100463119B1 (en) * 1996-08-22 2005-05-27 후지 덴키 가부시끼가이샤 Terminal device for electric equipment
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JP5711127B2 (en) * 2008-09-19 2015-04-30 スリーエム イノベイティブ プロパティズ カンパニー Ligand graft functionalized substrate
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Also Published As

Publication number Publication date
EP0080612A3 (en) 1985-05-15
JPS6014468B2 (en) 1985-04-13
DE3146913C2 (en) 1983-10-06
ES275644U (en) 1984-03-01
JPS5897274A (en) 1983-06-09
ZA828684B (en) 1983-09-28
EP0080612B1 (en) 1986-08-20
ATE21584T1 (en) 1986-09-15
US4529256A (en) 1985-07-16
CA1186761A (en) 1985-05-07
AU9069382A (en) 1983-06-02
DE3272760D1 (en) 1986-09-25
DE3146913A1 (en) 1983-06-01
ES275644Y (en) 1984-10-01

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