EP2161786B1 - Cable connection element - Google Patents

Cable connection element Download PDF

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Publication number
EP2161786B1
EP2161786B1 EP20080015647 EP08015647A EP2161786B1 EP 2161786 B1 EP2161786 B1 EP 2161786B1 EP 20080015647 EP20080015647 EP 20080015647 EP 08015647 A EP08015647 A EP 08015647A EP 2161786 B1 EP2161786 B1 EP 2161786B1
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EP
European Patent Office
Prior art keywords
screw
connection element
cable
clamping
cable connection
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.)
Not-in-force
Application number
EP20080015647
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German (de)
French (fr)
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EP2161786A1 (en
Inventor
Khalil Hadir
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Siemens AG
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Siemens AG
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Publication date
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Priority to ES08015647T priority Critical patent/ES2437873T3/en
Priority to EP20080015647 priority patent/EP2161786B1/en
Publication of EP2161786A1 publication Critical patent/EP2161786A1/en
Application granted granted Critical
Publication of EP2161786B1 publication Critical patent/EP2161786B1/en
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    • 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
    • H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
    • H01R11/11—End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
    • H01R11/12—End pieces terminating in an eye, hook, or fork
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R27/00—Coupling parts adapted for co-operation with two or more dissimilar counterparts
    • H01R27/02—Coupling parts adapted for co-operation with two or more dissimilar counterparts for simultaneous co-operation with two or more dissimilar counterparts
    • 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
    • H01R4/34—Conductive members located under head of screw
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/35—Contact members for non-simultaneous co-operation with different types of contact member, e.g. socket co-operating with either round or flat pin

Definitions

  • the invention relates to a cable connection element having a screw, a clamping element through which the screw is inserted, and a connection element which is provided with a threaded bore into which the screw is to be screwed, wherein the connection element for receiving a Ringcluschuchs formed by clamping is.
  • Cable lugs are known in numerous different embodiments. There are, for example, angle tube, ring, tube, solder, fork and pin cable lugs. Cable lugs are used for mechanical and electrical connection of a stripped conductor end, wherein the conductor is designed to guide an electric current. The cable lug and the cable end are preferably squeezed together using a crimping tool.
  • a very common embodiment of a cable lug is the ring cable lug. At the free end of this carries a ring-shaped and provided with an opening end piece. This end piece is attached to the terminal device by being underlaid in the manner of a washer of the clamping screw.
  • the use of a ring cable lug is advantageous in that as a result of the ring-like clamping screw surrounding end piece accidental loss of contact between the conductor and the terminal device is practically impossible even with loosely fitting clamping screw.
  • a commonly used connector type has a clamping screw whose threaded shaft can be screwed into a threaded hole in a fixed connector. Between the threaded part of the shaft and the head of the screw, a bracket is mounted captive.
  • the consisting of screw and bracket unit is arranged in the interior of a recess which is provided in a body made of an insulating material and whose dimensions allow a straight-line movement of the bracket when screwing in and out of the screw.
  • the recess is accessible from the outside through an opening which is opposite to the screw head and is provided in the body or in a terminal cover attached thereto.
  • the electrical wire enters between the threaded shaft of the screw and a wall of the recess and is clamped by straight-line movement of the bracket, which results from the screwed, between the bracket and the connecting part.
  • the captive screw is usually ensured by a stop attached to the body, to which the screw or the bracket at the end of the screw comes to a stop and is axially blocked.
  • US 2006/0128232 A1 a cable connecting member having a screw, a clamping member through which the screw is inserted, and a connecting element which is provided with a threaded bore, in which the Screw should be screwed.
  • the connection element for receiving a ring cable lug is formed by clamping.
  • a switching device with housing forth, in particular a circuit breaker in which at least one terminal is arranged in a receptacle formed in the housing, wherein the receptacle is frontally closed at least partially by a cover. At least one, the front cover superior projecting plate-shaped or rib-shaped shielding member is integrally formed on the housing.
  • means ensure complete unscrewing of the clamping screw from the clamping opening and allow operation of the switching device with ring cable lug.
  • the means for completely unscrewing the clamping screw from the clamping opening comprise the clamping screw, which has a screw-head arranged next to the unthreaded region, which in addition has a cross-sectional taper compared to the cross section of the thread.
  • the object of the present invention is therefore to provide an alternative cable connection element which is suitable both for the connection of a ring cable lug and for the direct connection of a conductor.
  • this object is achieved by a cable connection element having a screw, a clamping element through which the screw is inserted, and a connection element which is provided with a threaded bore in which the screw is to be screwed, wherein the connection element for receiving a ring cable lug is formed by clamping. It is envisaged to insert the screw through the clamping element and then screw into the threaded holes of the connecting element, wherein the connecting element has previously received the annular part of a ring terminal lug terminal, so that the screw is also guided through the annular part of the ring cable lug.
  • the screw has two threaded portions on the shaft. It is advantageous if the first threaded portion is arranged directly below the screw head, whereby a fixation of the clamping element is made possible.
  • the second threaded portion is spaced from the screw head and the first threaded portion arranged on the shaft and allows the screw on the connection element, in which the ring cable lug is arranged by clamping.
  • the clamping element is preferably roof-shaped and allows the direct clamping connection of a conductor without a lug by the conductor between the connection element and clamping element is clamped.
  • the roof-shaped design of the clamping element has the advantage that the cable can not slip out of the clamping arrangement, as would be possible in a flat embodiment to the edge of the clamping element out.
  • connection element has a U-shaped basic body with two legs, which have the same position one above the other, the threaded hole.
  • the U-shaped body of the connecting element allows that between the legs of the annular split cable lug can be jammed and thus a prefixing of the ring cable lug is created.
  • the cable connection element according to the invention advantageously offers the possibility of directly connecting a ring cable lug or a conductor, wherein the loss of the screw is avoided and a complete unscrewing when clamping the ring lug connection is not required.
  • the cable connection element according to the invention is used in circuit breakers.
  • Fig. 1 shows a perspective view of a cable connection element 1 according to the invention with a ring cable lug connection 2, which has a screw 3, a clamping element 4 and a connection element 5.
  • the screw 3 is inserted through a threaded hole 6 in the preferably roof-shaped clamping element 4 and has two threaded portions 7, 8.
  • the first threaded portion 7 is disposed directly below the screw head 9 and fixes the clamping element 4.
  • the second threaded portion 8 of the screw 3 is spaced from the screw head 9 and the threaded portion 7 at the shaft end 10 is arranged.
  • the threaded portion 8 opens into threaded holes 11 which are arranged in the connection element 5.
  • the connecting element 5 has an upper part 12, which is preferably U-shaped and has two mutually parallel legs 13, 14, in which the same position, the threaded holes 11 are arranged one above the other.
  • the legs 13, 14 are spaced apart and thus allow the inclusion of the annular portion 15 of the ring cable lug terminal 2 in the form of a clamping, wherein the screw 3 is also guided through the annular part 15 of the ring cable lug 2.
  • the terminal 5 also has a lower part 16, which is preferably angled at a 90 ° angle from the leg 14 and serves as a connection tongue.
  • the ring cable lug connection 2 in addition to the annular part 15, also has a preferably tubular cable lug 17, which has a recess 18. The recess 18, after the conductor has been passed through the tubular cable lug 17, be closed with a pair of pliers, so that the conductor is firmly fixed in the cable lug 17.
  • Fig. 2 shows a perspective view of the cable lug element 1 with direct connection of a conductor 19.
  • the conductor 19 has a stripped portion, which rests on the leg 13 of the connecting element 5.
  • the fixation of the stripped portion 20 of the conductor 19 via the preferably roof-shaped clamping element 4, the in the fixed state by the screw 3 is fixedly disposed on the conductor 19.
  • Fig. 3 shows a perspective view of the cable connection element 1 in an electrical device 21, preferably a circuit breaker, without ring lug connection 2.
  • the pre-fixed by the screw 3 clamping element 4 can be additionally held in position by guide rails 22 which are arranged in the housing 23 of the electrical device 21 , whereby the entire cable connection element 1 is subject to a prefixing.
  • Fig. 4 shows a perspective view of the cable connection element 1 in an electrical device 21 with ring cable lug connection 2. Due to the prefixing by the clamping element 4 in the guide rails 22 of the housing 23 a complete unscrewing during insertion of the ring cable lug 2 is not required.
  • the cable connection element allows by its bifunctional design both the connection of a ring cable lug and the direct connection of a conductor.

Landscapes

  • Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Connections By Means Of Piercing Elements, Nuts, Or Screws (AREA)

Description

Die Erfindung betrifft ein Kabelanschlusselement, das eine Schraube, ein Klemmelement, durch welches die Schraube gesteckt ist, und ein Anschlusselement aufweist, das mit einer Gewindebohrung versehen ist, in welche die Schraube eingeschraubt werden soll, wobei das Anschlusselement zur Aufnahme eines Ringkabelschuchs durch Klemmen ausgebildet ist.The invention relates to a cable connection element having a screw, a clamping element through which the screw is inserted, and a connection element which is provided with a threaded bore into which the screw is to be screwed, wherein the connection element for receiving a Ringkabelschuchs formed by clamping is.

Um bei der Verwendung eines flexiblen elektrischen Leiters, beispielsweise eines Litzendrahtes, ein Ausfasern des Leiterendes zu vermeiden und somit einen guten und fehlersicheren Kontakt zwischen dem elektrischen Leiter und einem elektrischen Gerät sicherzustellen, ist es üblich, das Leiterende zunächst mit einem sogenannten Kabelschuh abzuschließen. Der Kabelschuh wird dann wiederum in der Anschlussklemmvorrichtung des elektrischen Gerätes klemmkontaktiert.In order to avoid fraying of the conductor end when using a flexible electrical conductor, for example a stranded wire, and thus to ensure a good and fail-safe contact between the electrical conductor and an electrical device, it is usual to terminate the conductor end first with a so-called cable lug. The cable lug is then in turn clamped in the terminal device of the electrical device.

Kabelschuhe sind in zahlreichen verschiedenen Ausführungsformen bekannt. Es gibt zum Beispiel Winkelrohr-, Ring-, Rohr-, Löt-, Gabel- und Stiftkabelschuhe. Kabelschuhe dienen zum mechanischen und elektrischen Verbinden eines abisolierten Leiterendes, wobei der Leiter zur Führung eines elektrischen Stromes ausgebildet ist. Der Kabelschuh und das Kabelende werden bevorzugt mit Hilfe eines Crimpwerkzeuges aneinander gequetscht. Eine sehr gebräuchliche Ausgestaltung eines Kabelschuhs ist der Ringkabelschuh. Am freien Ende trägt dieser ein ringartig ausgebildetes und mit einer Öffnung versehenes Endstück. Dieses Endstück wird an der Anschlussklemmvorrichtung befestigt, indem es nach Art einer Beilagscheibe der Klemmschraube unterlegt wird. Die Verwendung eines Ringkabelschuhs ist insofern vorteilhaft, als in Folge des ringartig die Klemmschraube umgebenden Endstückes ein versehentlicher Kontaktverlust zwischen dem Leiter und der Anschlussklemmvorrichtung auch bei locker sitzender Klemmschraube praktisch ausgeschlossen ist.Cable lugs are known in numerous different embodiments. There are, for example, angle tube, ring, tube, solder, fork and pin cable lugs. Cable lugs are used for mechanical and electrical connection of a stripped conductor end, wherein the conductor is designed to guide an electric current. The cable lug and the cable end are preferably squeezed together using a crimping tool. A very common embodiment of a cable lug is the ring cable lug. At the free end of this carries a ring-shaped and provided with an opening end piece. This end piece is attached to the terminal device by being underlaid in the manner of a washer of the clamping screw. The use of a ring cable lug is advantageous in that as a result of the ring-like clamping screw surrounding end piece accidental loss of contact between the conductor and the terminal device is practically impossible even with loosely fitting clamping screw.

Bekanntlich sind elektrische Geräte für den Anschluss von elektrischen Drähten im Allgemeinen mit Schraubanschlüssen bestückt. Ein häufig benutzter Anschlusstyp besitzt eine Klemmschraube, deren mit Gewinde versehener Schaft in eine Gewindebohrung eines festen Anschlussteils eingeschraubt werden kann. Zwischen dem mit Gewinde versehenen Teil des Schaftes und dem Kopf der Schraube ist ein Bügel unverlierbar montiert. Die aus Schraube und Bügel bestehende Einheit ist im Inneren einer Aussparung angeordnet, die in einem aus einem Isolierstoff bestehenden Körper vorgesehen ist und deren Abmessungen eine gradlinige Bewegung des Bügels bei Ein- und Ausschraubung der Schraube zulassen.As is known, electrical devices for the connection of electrical wires are generally equipped with screw terminals. A commonly used connector type has a clamping screw whose threaded shaft can be screwed into a threaded hole in a fixed connector. Between the threaded part of the shaft and the head of the screw, a bracket is mounted captive. The consisting of screw and bracket unit is arranged in the interior of a recess which is provided in a body made of an insulating material and whose dimensions allow a straight-line movement of the bracket when screwing in and out of the screw.

Um die Einführung eines Schraubenziehers zu gestatten, ist die Aussparung von außen durch eine Öffnung zugänglich, die sich gegenüber dem Schraubenkopf befindet und im Körper oder in einer an dieser angebrachten Klemmabdeckung vorgesehen ist. Der elektrische Draht tritt zwischen den mit Gewinde versehenen Schacht der Schraube und einer Wand der Aussparung ein und wird durch gradlinige Bewegung des Bügels, die sich durch die Einschraubung ergibt, zwischen dem Bügel und dem Anschlussteil festgeklemmt.In order to allow the insertion of a screwdriver, the recess is accessible from the outside through an opening which is opposite to the screw head and is provided in the body or in a terminal cover attached thereto. The electrical wire enters between the threaded shaft of the screw and a wall of the recess and is clamped by straight-line movement of the bracket, which results from the screwed, between the bracket and the connecting part.

Bei derartigen Anschlüssen wird die Unverlierbarkeit der Schraube gewöhnlich durch einen am Körper befestigten Anschlag gewährleistet, an welchen die Schraube oder der Bügel am Ende der Ausschraubung zum Anschlag kommt und axial blockiert wird.In such connections, the captive screw is usually ensured by a stop attached to the body, to which the screw or the bracket at the end of the screw comes to a stop and is axially blocked.

Diese Lösung gestattet jedoch nicht den Anschluss eines mit einem geschlossenen Kabelschuh versehenen Leiterdrahts, der, um die Einführung des Kabelschuhs zu ermöglichen, erfordert, dass die Schraube axial vom Anschlussteil entfernt wird.However, this solution does not permit the connection of a conductor wire provided with a closed lug which, in order to allow insertion of the lug, requires that the screw be removed axially from the fitting.

Ferner beschreibt die US 2006/0128232 A1 ein Kabelanschlusselement, das eine Schraube, ein Klemmelement, durch welches die Schraube gesteckt ist, und ein Anschlusselement aufweist, das mit einer Gewindebohrung versehen ist, in welche die Schraube eingeschraubt werden soll. Das Anschlusselement zur Aufnahme eines Ringkabelschuhs ist durch Klemmen ausgebildet.Furthermore, the describes US 2006/0128232 A1 a cable connecting member having a screw, a clamping member through which the screw is inserted, and a connecting element which is provided with a threaded bore, in which the Screw should be screwed. The connection element for receiving a ring cable lug is formed by clamping.

Aus der WO 2005/101443 geht ein Schaltgerät mit Gehäuse hervor, insbesondere ein Schutzschalter, bei welchem wenigstens eine Anschlussklemme in einer im Gehäuse ausgebildeten Aufnahme angeordnet ist, wobei die Aufnahme frontseitig zumindest bereichsweise durch eine Abdeckung verschlossen ist. Wenigstens ein, die frontseitige Abdeckung überragendes plattenförmiges oder rippenförmiges Abschirmelement ist einstückig an das Gehäuse angeformt. Im Schaltgerät gewährleisten Mittel das vollständige Herausdrehen der Klemmschraube aus der Klemmöffnung und erlauben den Betrieb des Schaltgeräts mit Ringkabelschuh. Die Mittel zum vollständigen Herausdrehen der Klemmschraube aus der Klemmöffnung umfassen die Klemmschraube, welche über ein nächst des Schraubkopfes angeordneten gewindefreien Bereich verfügt, welcher überdies ein im Vergleich zum Querschnitt des Gewindes eine Querschnittsverjüngung aufweist.From the WO 2005/101443 is a switching device with housing forth, in particular a circuit breaker in which at least one terminal is arranged in a receptacle formed in the housing, wherein the receptacle is frontally closed at least partially by a cover. At least one, the front cover superior projecting plate-shaped or rib-shaped shielding member is integrally formed on the housing. In the switching device, means ensure complete unscrewing of the clamping screw from the clamping opening and allow operation of the switching device with ring cable lug. The means for completely unscrewing the clamping screw from the clamping opening comprise the clamping screw, which has a screw-head arranged next to the unthreaded region, which in addition has a cross-sectional taper compared to the cross section of the thread.

Die Aufgabe der vorliegenden Erfindung besteht demgemäß darin, ein alternatives Kabelanschlusselement zu schaffen, das sowohl für den Anschluss eines Ringkabelschuhs als auch zum Direktanschluss eines Leiters geeignet ist.The object of the present invention is therefore to provide an alternative cable connection element which is suitable both for the connection of a ring cable lug and for the direct connection of a conductor.

Diese Aufgabe wird durch ein Kabelanschlusselement mit den Merkmalen des Patentanspruches 1 gelöst. Vorteilhafte Aus- und Weiterbildungen, welche einzeln oder in Kombination miteinander eingesetzt werden können, sind der Gegenstand der abhängigen Ansprüche.This object is achieved by a cable connection element having the features of patent claim 1. Advantageous embodiments and developments, which can be used individually or in combination with each other, are the subject of the dependent claims.

Erfindungsgemäß wird diese Aufgabe durch ein Kabelanschlusselement gelöst, das eine Schraube, ein Klemmelement, durch welches die Schraube gesteckt ist, und ein Anschlusselement aufweist, das mit einer Gewindebohrung versehen ist, in welchem die Schraube eingeschraubt werden soll, wobei das Anschlusselement zur Aufnahme eines Ringkabelschuhs durch Klemmen ausgebildet ist. Es ist vorgesehen, die Schraube durch das Klemmelement zu stecken und anschließend in den Gewindebohrungen des Anschlusselementes zu verschrauben, wobei das Anschlusselement zuvor den ringförmigen Teil eines Ringkabelschuhanschlusses klemmend aufgenommen hat, so dass die Schraube auch durch den ringförmigen Teil des Ringkabelschuhs geführt wird.According to the invention this object is achieved by a cable connection element having a screw, a clamping element through which the screw is inserted, and a connection element which is provided with a threaded bore in which the screw is to be screwed, wherein the connection element for receiving a ring cable lug is formed by clamping. It is envisaged to insert the screw through the clamping element and then screw into the threaded holes of the connecting element, wherein the connecting element has previously received the annular part of a ring terminal lug terminal, so that the screw is also guided through the annular part of the ring cable lug.

Erfindungswesentlich ist, dass die Schraube zwei Gewindebereiche am Schaft aufweist. Von Vorteil ist es, wenn der erste Gewindebereich direkt unterhalb vom Schraubkopf angeordnet ist, wodurch eine Fixierung des Klemmelementes ermöglicht wird. Der zweite Gewindebereich ist vom Schraubkopf und vom ersten Gewindebereich beabstandet am Schaft angeordnet und ermöglicht die Verschraubung am Anschlusselement, in welchem klemmend der Ringkabelschuh angeordnet ist.Essential to the invention is that the screw has two threaded portions on the shaft. It is advantageous if the first threaded portion is arranged directly below the screw head, whereby a fixation of the clamping element is made possible. The second threaded portion is spaced from the screw head and the first threaded portion arranged on the shaft and allows the screw on the connection element, in which the ring cable lug is arranged by clamping.

Das Klemmelement ist vorzugsweise dachförmig ausgebildet und ermöglicht den direkten Klemmanschluss eines Leiters ohne Kabelschuh, indem der Leiter zwischen Anschlusselement und Klemmelement verklemmt wird. Die dachförmige Ausführung des Klemmelementes hat den Vorteil, dass das Kabel nicht aus der Klemmanordnung rutschen kann, wie es bei einer flachen Ausführungsform zum Rand des Klemmelementes hin möglich wäre.The clamping element is preferably roof-shaped and allows the direct clamping connection of a conductor without a lug by the conductor between the connection element and clamping element is clamped. The roof-shaped design of the clamping element has the advantage that the cable can not slip out of the clamping arrangement, as would be possible in a flat embodiment to the edge of the clamping element out.

Vorzugsweise weist das Anschlusselement einen U-förmigen Grundkörper mit zwei Schenkeln auf, die positionsgleich übereinander angeordnet die Gewindebohrung aufweisen. Der U-förmige Grundkörper des Anschlusselementes ermöglicht, dass zwischen den Schenkeln der ringförmig geteilte Kabelschuh verklemmt werden kann und somit eine Vorfixierung des Ringkabelschuhs geschaffen wird.Preferably, the connection element has a U-shaped basic body with two legs, which have the same position one above the other, the threaded hole. The U-shaped body of the connecting element allows that between the legs of the annular split cable lug can be jammed and thus a prefixing of the ring cable lug is created.

Das erfindungsgemäße Kabelanschlusselement bietet in vorteilhafte Weise die Möglichkeit, einen Ringkabelschuh oder einen Leiter direkt anzuschließen, wobei die Verlierbarkeit der Schraube vermieden wird und ein komplettes Abschrauben beim Abklemmen des Ringkabelschuhanschlusses nicht erforderlich ist.The cable connection element according to the invention advantageously offers the possibility of directly connecting a ring cable lug or a conductor, wherein the loss of the screw is avoided and a complete unscrewing when clamping the ring lug connection is not required.

Das erfindungsgemäße Kabelanschlusselement wird in Leistungsschaltern verwendet.The cable connection element according to the invention is used in circuit breakers.

Weitere Vorteile und Ausführungen der Erfindung werden nachfolgend anhand eines Ausführungsbeispiels sowie anhand der Zeichnung erläutert.Further advantages and embodiments of the invention will be explained below with reference to an embodiment and with reference to the drawing.

Dabei zeigt schematisch:

  • Fig. 1 eine perspektivische Darstellung eines erfindungsgemäßen Kabelanschlusselementes mit Ringkabelschuhanschluss;
  • Fig. 2 eine perspektivische Darstellung eines Kabelschuhanschlusselementes nach Fig. 1 mit Direktanschluss eines Leiters;
  • Fig. 3 eine perspektivische Darstellung des Kabelschuhanschlusselementes in einem elektrischen Gerät ohne Ringkabelschuhanschluss;
  • Fig. 4 eine perspektivische Darstellung des Kabelanschlusselementes in einem elektrischen Gerät mit Ringkabelschuhanschluss.
It shows schematically:
  • Fig. 1 a perspective view of a cable connection element according to the invention with Ringkabelschuhanschluss;
  • Fig. 2 a perspective view of a cable lug connection element after Fig. 1 with direct connection of a conductor;
  • Fig. 3 a perspective view of the cable lug connection element in an electrical device without ring lug connection;
  • Fig. 4 a perspective view of the cable connection element in an electrical device with Ringkabelschuhanschluss.

Fig. 1 zeigt eine perspektivische Darstellung eines erfindungsgemäßen Kabelanschlusselementes 1 mit einem Ringkabelschuhanschluss 2, das eine Schraube 3, ein Klemmelement 4 und ein Anschlusselement 5 aufweist. Die Schraube 3 ist durch eine Gewindebohrung 6 im vorzugsweise dachförmig ausgebildeten Klemmelement 4 durchgesteckt und weist zwei Gewindebereiche 7, 8 auf. Der erste Gewindebereich 7 ist direkt unterhalb des Schraubkopfes 9 angeordnet und fixiert das Klemmelement 4. Der zweite Gewindebereich 8 der Schraube 3 ist vom Schraubkopf 9 und vom Gewindebereich 7 beabstandet am Schaftende 10 angeordnet. Der Gewindebereich 8 mündet in Gewindebohrungen 11, die im Anschlusselement 5 angeordnet sind. Das Anschlusselement 5 weist einen oberen Teil 12 auf, der vorzugsweise U-förmig ausgebildet ist und zwei parallel zueinander verlaufende Schenkel 13, 14 aufweist, in welchen positionsgleich übereinander liegend die Gewindebohrungen 11 angeordnet sind. Die Schenkel 13, 14 sind voneinander beabstandet und ermöglichen so die Aufnahme des ringförmigen Teils 15 des Ringkabelschuhanschlusses 2 in Form einer Klemmung, wobei die Schraube 3 auch durch den ringförmigen Teil 15 des Ringkabelschuhs 2 geführt ist. Die Anschlussklemme 5 weist zudem einen unteren Teil 16 auf, der vorzugsweise in einem 90° Winkel vom Schenkel 14 abgewinkelt ist und als Anschlusszunge dient. Der Ringkabelschuhanschluss 2 weist neben dem ringförmigen Teil 15 auch einen vorzugsweise rohrförmigen Kabelschuh 17 auf, der eine Ausnehmung 18 aufweist. Die Ausnehmung 18 kann, nachdem der Leiter durch den rohrförmigen Kabelschuh 17 geführt wurde, mit einer Zange geschlossen werden, so dass der Leiter fest im Kabelschuh 17 fixiert ist. Fig. 1 shows a perspective view of a cable connection element 1 according to the invention with a ring cable lug connection 2, which has a screw 3, a clamping element 4 and a connection element 5. The screw 3 is inserted through a threaded hole 6 in the preferably roof-shaped clamping element 4 and has two threaded portions 7, 8. The first threaded portion 7 is disposed directly below the screw head 9 and fixes the clamping element 4. The second threaded portion 8 of the screw 3 is spaced from the screw head 9 and the threaded portion 7 at the shaft end 10 is arranged. The threaded portion 8 opens into threaded holes 11 which are arranged in the connection element 5. The connecting element 5 has an upper part 12, which is preferably U-shaped and has two mutually parallel legs 13, 14, in which the same position, the threaded holes 11 are arranged one above the other. The legs 13, 14 are spaced apart and thus allow the inclusion of the annular portion 15 of the ring cable lug terminal 2 in the form of a clamping, wherein the screw 3 is also guided through the annular part 15 of the ring cable lug 2. The terminal 5 also has a lower part 16, which is preferably angled at a 90 ° angle from the leg 14 and serves as a connection tongue. The ring cable lug connection 2, in addition to the annular part 15, also has a preferably tubular cable lug 17, which has a recess 18. The recess 18, after the conductor has been passed through the tubular cable lug 17, be closed with a pair of pliers, so that the conductor is firmly fixed in the cable lug 17.

Fig. 2 zeigt eine perspektivische Darstellung des Kabelschuhelementes 1 mit Direktanschluss eines Leiters 19. Der Leiter 19 weist einen abisolierten Teilbereich auf, der auf den Schenkel 13 des Anschlusselementes 5 aufliegt. Die Fixierung des abisolierten Teilbereichs 20 des Leiters 19 erfolgt über das vorzugsweise dachförmig ausgebildete Klemmelement 4, das im fixierten zustand durch die Schraube 3 fest auf dem Leiter 19 angeordnet ist. Fig. 2 shows a perspective view of the cable lug element 1 with direct connection of a conductor 19. The conductor 19 has a stripped portion, which rests on the leg 13 of the connecting element 5. The fixation of the stripped portion 20 of the conductor 19 via the preferably roof-shaped clamping element 4, the in the fixed state by the screw 3 is fixedly disposed on the conductor 19.

Fig. 3 zeigt eine perspektivische Darstellung des Kabelanschlusselementes 1 in einem elektrischen Gerät 21, vorzugsweise einem Leistungsschalter, ohne Ringkabelschuhanschluss 2. Das durch die Schraube 3 vorfixierte Klemmelement 4 kann durch Führungsschienen 22, die im Gehäuse 23 des elektrischen Gerätes 21 angeordnet sind, zusätzlich in Position gehalten werden, wodurch das gesamte Kabelanschlusselement 1 einer Vorfixierung unterliegt. Fig. 3 shows a perspective view of the cable connection element 1 in an electrical device 21, preferably a circuit breaker, without ring lug connection 2. The pre-fixed by the screw 3 clamping element 4 can be additionally held in position by guide rails 22 which are arranged in the housing 23 of the electrical device 21 , whereby the entire cable connection element 1 is subject to a prefixing.

Fig. 4 zeigt eine perspektivische Darstellung des Kabelanschlusselementes 1 in einem elektrischen Gerät 21 mit Ringkabelschuhanschluss 2. Auf Grund der Vorfixierung durch das Klemmelement 4 in den Führungsschienen 22 des Gehäuses 23 ist ein komplettes Abschrauben beim Einführen des Ringkabelschuhs 2 nicht erforderlich. Fig. 4 shows a perspective view of the cable connection element 1 in an electrical device 21 with ring cable lug connection 2. Due to the prefixing by the clamping element 4 in the guide rails 22 of the housing 23 a complete unscrewing during insertion of the ring cable lug 2 is not required.

Das erfindungsgemäße Kabelanschlusselement ermöglicht durch seine bifunktionale Ausgestaltung sowohl den Anschluss eines Ringkabelschuhs als auch den Direktanschluss eines Leiters.The cable connection element according to the invention allows by its bifunctional design both the connection of a ring cable lug and the direct connection of a conductor.

Claims (8)

  1. Cable connection element (1) comprising a screw (3), a clamping element (4), by means of which the screw (3) is plugged in, and a connection element (5), which is provided with a threaded hole (11), into which the screw (3) is to be screwed,
    wherein the connection element (5) is embodied to receive a ring-type cable terminal (2) by means of clamping, characterised in that
    the screw (3) comprises two threaded areas (7, 8).
  2. Cable connection element (1) according to claim 1,
    characterised in that
    the first threaded area (7) is arranged directly below the screw head (9).
  3. Cable connection element (1) according to claim 1,
    characterised in that the second threaded area (8) is arranged at a distance from the screw head (9) and from the first threaded area (7).
  4. Cable connection element (1) according to one of the preceding claims,
    characterised in that
    the clamping element (4) is embodied in the manner of a roof.
  5. Cable connection element (1) according to one of the preceding claims,
    characterised in that the connection element (5) comprises a U-shaped base element with two limbs (13, 14), which, when arranged in the same position one above the other, comprise the threaded hole (11).
  6. Cable connection element (1) according to one of the preceding claims,
    characterised in that
    the cable connection element (1) is embodied both for connection with a ring-type cable terminal (2) and also for direct connection with a conductor (19).
  7. Cable connection element (1) according to one of the preceding claims,
    characterised in that
    the screw (3) is fixed in a loss-proof manner to the connection element (5).
  8. Use of a cable connection element (1) according to the preceding claims in circuit breakers.
EP20080015647 2008-09-04 2008-09-04 Cable connection element Not-in-force EP2161786B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
ES08015647T ES2437873T3 (en) 2008-09-04 2008-09-04 Cable connection element
EP20080015647 EP2161786B1 (en) 2008-09-04 2008-09-04 Cable connection element

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20080015647 EP2161786B1 (en) 2008-09-04 2008-09-04 Cable connection element

Publications (2)

Publication Number Publication Date
EP2161786A1 EP2161786A1 (en) 2010-03-10
EP2161786B1 true EP2161786B1 (en) 2013-11-13

Family

ID=40262280

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20080015647 Not-in-force EP2161786B1 (en) 2008-09-04 2008-09-04 Cable connection element

Country Status (2)

Country Link
EP (1) EP2161786B1 (en)
ES (1) ES2437873T3 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102022213239A1 (en) 2022-12-07 2024-06-13 Robert Bosch Gesellschaft mit beschränkter Haftung Electrical connector assembly, electrical counter conductor and electrical component with an electrical counter conductor

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106099455A (en) * 2016-07-25 2016-11-09 苏州华旃航天电器有限公司 A kind of electric connector terminal

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2122901B1 (en) * 1996-06-03 1999-08-01 Power Controls Iberica Sl GUIDED DISPLACEMENT DEVICE FOR CONNECTION TERMINAL SCREWS FOR ELECTRICAL EQUIPMENT.
US6004166A (en) * 1997-09-29 1999-12-21 Cardas; George F. Electrical connector for plural circuits
JP3867789B2 (en) 2003-03-20 2007-01-10 セイコーエプソン株式会社 Droplet ejection apparatus, inkjet printer, and ejection abnormality determination method for droplet ejection head
AT504607A1 (en) 2004-04-19 2008-06-15 Moeller Gebaeudeautomation Kg SWITCHGEAR
KR200376471Y1 (en) * 2004-12-09 2005-03-10 엘지산전 주식회사 A Terminal Connecting Device of the Electronic Contactor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102022213239A1 (en) 2022-12-07 2024-06-13 Robert Bosch Gesellschaft mit beschränkter Haftung Electrical connector assembly, electrical counter conductor and electrical component with an electrical counter conductor

Also Published As

Publication number Publication date
EP2161786A1 (en) 2010-03-10
ES2437873T3 (en) 2014-01-14

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