EP2624365B1 - Elektrische Anschlussklemme - Google Patents

Elektrische Anschlussklemme Download PDF

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Publication number
EP2624365B1
EP2624365B1 EP13152790.5A EP13152790A EP2624365B1 EP 2624365 B1 EP2624365 B1 EP 2624365B1 EP 13152790 A EP13152790 A EP 13152790A EP 2624365 B1 EP2624365 B1 EP 2624365B1
Authority
EP
European Patent Office
Prior art keywords
wall
clamping member
bearing
clamping
bracket
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
EP13152790.5A
Other languages
English (en)
French (fr)
Other versions
EP2624365B8 (de
EP2624365A1 (de
Inventor
Franck Da Silva
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.)
ABB Schweiz AG
Original Assignee
ABB Technology AG
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 ABB Technology AG filed Critical ABB Technology AG
Publication of EP2624365A1 publication Critical patent/EP2624365A1/de
Application granted granted Critical
Publication of EP2624365B1 publication Critical patent/EP2624365B1/de
Publication of EP2624365B8 publication Critical patent/EP2624365B8/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • H01R4/38—Clamped connections, spring connections utilising a clamping member acted on by 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
    • 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
    • H01R11/01—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 characterised by the form or arrangement of the conductive interconnection between the connecting locations
    • 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
    • H01R4/36—Conductive members located under tip 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
    • 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
    • H01R4/36—Conductive members located under tip of screw
    • H01R4/363—Conductive members located under tip of screw with intermediate part between tip and conductive member

Definitions

  • the present invention relates to an electrical connection terminal, and an assembly comprising this terminal.
  • a connection terminal according to the invention finds, for example, application for the equipment of an electrical appliance, such as an electric switch.
  • An electrical contactor is conventionally equipped with a fixed contact support protruding outwardly from its housing.
  • This fixed contact support is on the one hand connected to a circuit enclosed by said housing and on the other hand connected to one or more cables by means of a connection terminal.
  • the first clamping location 10 is arranged to allow the introduction of a fixed contact support 18 of a contactor, and the stripped end of two cables 20 and 22.
  • the second clamping location 14 is arranged to allow the insertion of a tip 24 of a cable 26.
  • Terminal 1 is satisfactory in that it allows the contact support 18 to be electrically connected to a plurality of cables 20, 22, and 26.
  • the terminal 1 has a substantial number of components that it is desirable to reduce, for reasons of simplicity of assembly and cost of manufacture.
  • the invention aims to achieve these objectives.
  • the second direction is parallel to the first direction.
  • the clamping member arranged such that a rotation of the clamping member relative to the cage about an axis causes a translation of the cage relative to the stirrup along the same axis.
  • the terminal according to the invention has no insert on the support wall of the stirrup.
  • the terminal according to the invention thus has a first clamping location which is larger than that of the terminal of the state of the art, while maintaining a second clamping position. Under these conditions, the number or size of conductive elements that can be accommodated in the first clamping position is increased.
  • the terminal according to the invention has a reduced number of components compared to the terminal of the state of the art. Also, its assembly process is simpler and faster to implement and its cost price is reduced.
  • the terminal according to the invention allows the connection of a small diameter cable parallel to a large diameter cable received in the first clamping location.
  • the terminal according to the invention may comprise one or more of the following features.
  • the light is rectangular.
  • the second conductive element may take the form of a tab intended to connect the connection terminal according to the invention to an additional connection terminal.
  • the dimension of the second clamping position defined between the clamping member and the support wall of the stirrup is arranged to decrease when the clamping member is rotated.
  • the clamping member is common for the first clamping position and for the second clamping position.
  • the clamping member comprises a connecting portion connecting the intermediate portion to the bearing portion, the connecting portion having a diameter smaller than the diameter of the bearing portion and the intermediate portion; and the stirrup comprises a retaining wall opposite to the support wall, in which is formed a first orifice portion of diameter smaller than the diameter of the bearing portion and the intermediate portion; and the connecting portion extends through this first orifice portion, so as to ensure the retention of the yoke to the clamping member along the axis of rotation of the clamping member.
  • the connecting portion of the clamping member has a length greater than the thickness of the retaining wall of the stirrup.
  • the stirrup comprises a rear wall opposite the front wall, and in which is formed a second orifice portion communicating with the first orifice portion; and the support portion of the clamping member is shaped to be engaged in the second orifice portion, transversely to its axis of rotation, and consequently allow the arrangement of the connecting portion of the clamping member in the first portion of orifice.
  • the stirrup is made by plastic deformation of a metal blade, so that a first portion of the blade forms the anterior wall, a second portion forms the support wall, a third portion forms the posterior wall and a fourth portion forms the retaining wall.
  • the cage is made by plastic deformation of a metal blade, so that at least a first portion of the blade forms the screwing wall, a second portion forms a first connecting wall, a third portion forms the counter-support wall and a fourth portion forms a second connecting wall.
  • the method of manufacturing the cage is also simple to implement.
  • the cage 102 is made by plastic deformation of a metal blade, so that a first portion of this blade forms the connecting wall 108, a second portion forms the counter-support wall 104, and a third portion forms the connecting wall 110.
  • the screwing wall 106 is attached and fixed to the connecting walls 108 and 110.
  • the screwing wall 106 comprises two protuberances 112, and each connecting wall 108 and 110 comprises a notch 114 within which is engaged a respective protuberance 112.
  • the screw wall 106 is provided with a threaded orifice 118.
  • the stirrup 120 is made by plastic deformation of a metal blade, so that a first portion of the blade forms the front wall 122, a second portion forms the support wall 124, a third portion forms the rear wall 126 and a fourth portion forms the retaining wall 128.
  • the front wall 122 is arranged to close all or part of the internal volume of the cage 102.
  • the front wall 122 is provided with rectangular openings 130 and 132.
  • the lumen 130 is arranged to allow the insertion of a conductive element 133 in a direction 135 into a clamping location 131.
  • the direction 135 is perpendicular to the anterior wall 122.
  • the bearing wall 124 defines with the counter-support wall 104 of the cage 102 a clamping location 134.
  • This clamping location 134 is arranged to allow the introduction of at least one conductive element, for example a support of fixed contact of a contactor and the stripped ends of one or more cables (not shown), in a direction 136 parallel to the direction 135.
  • the posterior wall 126 is provided with a rectangular orifice portion 140.
  • the retaining wall 128 is provided with a circular orifice portion 142 communicating with the orifice portion 140.
  • the retaining wall 128 is extended by a tongue 144 engaged in the lumen 132. A clearance is provided between the tongue 144 and the lumen 132. Under these conditions, the retaining wall 128 can pivot relative to the posterior wall 126 around the tongue. an axis 145 (shown at figure 3 ), by elastic deformation.
  • Terminal 100 finally has a clamping member 146 (shown in FIG. figure 6 ) arranged such that a rotation of the clamping member 146 relative to the cage 102, about an axis 150, causes a translation of the cage 102 relative to the stirrup 146 along the same axis 150.
  • a clamping member 146 shown in FIG. figure 6
  • the drive portion 148 has a diameter greater than the diameter of the orifice 118 formed in the screw wall 106 of the cage 102.
  • the drive portion 148 forms a stop capable of bearing against the screwing wall 106 when the clamping member 146 moves relative to the cage 102 in translation along the axis 150.
  • the connecting portion 158 has a diameter smaller than the diameter of the intermediate portion 152 and the diameter of a portion 154a of the bearing portion 154 facing the connecting portion 158.
  • the diameter of the intermediate portion 152 and the diameter of the portion 154a of the bearing portion 154 are greater than the diameter of the orifice portion 142 formed in the retaining wall 128 of the yoke 120.
  • the retaining wall 128 ensures the retention of the stirrup 120 to the clamping member 146, in response to a force exerted on the stirrup 120 along the axis 150.
  • the length of the connecting portion 158 is greater than the thickness of the retaining wall 128 so that a conductive element can be clamped in the clamping location 134 even in the absence of the conductive element 133 in the clamping location 131.
  • clamping member 146 is common to the first clamping location 134 and the second clamping location 131.
  • clamping member 146 is used to vary both the size of the first location 134 and the second location dimension 131 and thus used to realize both the cable clamping in the first location. 134 and a conductive element in the second location 131.
  • the bearing portion 154 is shaped to be engaged in the orifice portion 140 formed in the posterior wall 128 of the stirrup 120, transversely to the axis 150, and consequently allow the provision of the connecting portion 158 through the orifice portion 142 formed in the retaining wall 128 of the same stirrup 120.
  • a fixed contact support 170 is housed in the clamping location 134.
  • a user introduces the conductive element 133 through the lumen 130 in the direction 135.
  • the conductive element 133 then extends between the bearing portion 154 of the clamping member 146 and the support wall 124 of the stirrup 120 (as shown in FIGS. Figures 2 to 4 ).
  • the user introduces one or more stripped ends of one or more cables in the clamping location 134, for example two cables on either side of the fixed contact support 170.
  • a third step the user causes the clamping member 146 to rotate relative to the cage 102, for example by means of an Allen key.
  • the stirrup 120 moves relative to the cage 102, until the fixed contact support and the stripped ends of two cables are clamped between the support wall 124 of the stirrup 120 and the counter-support 104 of the cage.
  • the conductive element 133 is pinched between the bearing portion 154 of the clamping member 146 and the support wall 124.
  • the dimension of the second clamping location 131 defined between the clamping member 146 and the bearing wall 124 of the bracket 120 is arranged to decrease when the clamping member 146 is rotated.
  • the clamping member 146 when the clamping member 146 is rotated so as to reduce the size of the first clamping position 134 and the support wall 124 abuts against the two cables or even the support wall 104 if no cable is inserted into the first clamping location 134, then the dimension of the second clamping location 131 delimited by the clamping member 146 and the supporting wall 124 of the bracket 120 decreases until the clamping member 146 abuts against the second conductive element 133 or even the support wall 124 if no second conductive element is introduced into the second location 131.
  • clamping member 146 may be directly brought into contact with the second conductive element 133 or the support wall 124 or indirectly via a moving part under the action of the clamping member. 146.
  • Such an assembly makes it possible to cascade a plurality of cables of different diameters to a fixed support of an electrical contactor.
  • the invention is not limited to the sole embodiment of the terminal described above by way of example, it encompasses all the variants.
  • the cage 102 may be replaced by a cage 202 (shown in FIG. figure 8 ).
  • the cage 202 differs from the cage 102 in that it comprises two clamping walls 206 each provided with a threaded orifice 208, and superposed on one another.
  • the clamping walls 206 are made of material with the connecting walls 208 and 210, and the counter-support wall 204.
  • the cage 202 is made by plastic deformation of a metal blade, so that a first portion of the blade forms a first screwing wall 206, a second portion forms the connecting wall 208, a third portion forms the counter-support wall 204, a fourth portion forms the connecting wall 210, and a fifth portion forms another screwing wall 206.
  • clamping member 146 may be replaced by a clamping member (not shown) differing in that the drive portion has the same diameter as the intermediate portion.
  • clamping member 146 may finally be replaced by a clamping member (not shown) differing in that the drive portion is adapted to be rotated relative to the cage 102 by means of a screwdriver. flat or cruciform.

Claims (9)

  1. Klemme (100) zur elektrischen Verbindung, umfassend:
    - ein Gehäuse (102; 202), umfassend eine Gegenauflagewand (104; 204);
    - einen Bügel (120), umfassend:
    -- eine Auflagewand (124), die mit der Gegenauflagewand (104) eine erste Klemmstelle (134) begrenzt, wobei diese erste Klemmstelle (134) angeordnet ist, um die Einführung von mindestens einem ersten leitenden Element gemäß einer ersten Richtung (136) zu ermöglichen; und
    -- eine vordere Wand (122) quer zu der ersten Richtung (136);
    - ein Klemmorgan (146), das angeordnet ist, um das Gehäuse (102) in Translation mit Bezug auf den Bügel (120) gemäß einer Achse (150) anzutreiben;
    dadurch gekennzeichnet, dass das Klemmorgan (146) mit der Auflagewand (124) des Bügels eine zweite Klemmstelle (131) begrenzt; und
    dadurch, dass die vordere Wand (122) des Bügels (120) mit einer Öffnung (130) versehen ist, die angeordnet ist, um die Einführung in die zweite Klemmstelle (131) von mindestens einem zweiten leitenden Element gemäß einer zweiten Richtung (135) zu ermöglichen.
  2. Klemme nach Anspruch 1, dadurch gekennzeichnet, dass die Öffnung (130) rechtwinklig ist.
  3. Klemme nach einem der Ansprüche 1 bis 2, dadurch gekennzeichnet, dass das Gehäuse (102; 202) eine Schraubwand (106; 206) umfasst, die der Gegenauflagewand (104, 204) gegenüberliegt, und in der ein gewindegebohrtes oder gewindegeschnittenes Loch (118) ausgebildet ist; und dadurch, dass das Klemmorgan (146) Folgendes umfasst:
    - einen Antriebsabschnitt (148), der entworfen ist, um in Rotation versetzt zu werden;
    - einen gewindegeschnittenen oder gewindegebohrten Zwischenabschnitt (152), der angepasst ist, um in das gewindegebohrte oder gewindegeschnittene Loch (118) geschraubt zu werden, die in der Schraubwand (106) ausgebildet ist; und
    - einen Auflageabschnitt (154), der mit der Auflagewand (124) des Bügels (120) die zweite Klemmstelle (131) begrenzt.
  4. Klemme nach Anspruch 3, dadurch gekennzeichnet, dass das Klemmorgan (146) einen Verbindungsabschnitt (158) umfasst, der den Zwischenabschnitt (152) mit dem Auflageabschnitt (154) verbindet, wobei der Verbindungsabschnitt (158) einen Durchmesser aufweist, der geringer als der Durchmesser des Auflageabschnitts (154) und des Zwischenabschnitts (152) ist;
    dadurch, dass der Bügel (120) eine Rückhaltewand (128) gegenüber der Auflagewand (124) aufweist, in der ein erster Lochabschnitt (142) ausgebildet ist mit einem Durchmesser, der kleiner als der Durchmesser des Auflageabschnitts (154) und des Zwischenabschnitts (152) ist; und
    dadurch, dass sich der Verbindungsabschnitt (158) über diesen ersten Lochabschnitt (142) erstreckt, um den Rückhalt des Bügels (120) am Klemmorgan (146) gemäß der Rotationsachse (150) des Klemmorgans (146) sicherzustellen.
  5. Klemme nach Anspruch 4, dadurch gekennzeichnet, dass der Verbindungsabschnitt (158) des Klemmorgans (146) eine Länge aufweist, die größer als die Dicke der Rückhaltewand (128) des Bügels (120) ist.
  6. Klemme nach einem der Ansprüche 4 oder 5, dadurch gekennzeichnet, dass der Bügel (120) eine hintere Wand (126) gegenüber der vorderen Wand (122) umfasst, und in der ein zweiter Lochabschnitt (140) ausgebildet ist, der mit dem ersten Lochabschnitt (142) kommuniziert; und
    dadurch, dass der Auflageabschnitt (154) des Klemmorgans (146) geformt ist, um in den zweiten Lochabschnitt (140), quer zu seiner Drehachse (150), einzugreifen, und dann die Anordnung des Verbindungsabschnitts (158) des Klemmorgans (146) im ersten Lochabschnitt (142) zu ermöglichen.
  7. Klemme nach Anspruch 6, dadurch gekennzeichnet, dass der Bügel (120) durch plastische Verformung einer metallischen Lamelle derart durchgeführt wird, dass ein erster Abschnitt der Lamelle die vordere Wand bildet, ein zweiter Abschnitt die Auflagewand bildet, ein dritter Abschnitt die hintere Wand bildet und ein vierter Abschnitt die Rückhaltewand bildet.
  8. Klemme nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass das Gehäuse (202) durch plastische Verformung einer metallischen Lamelle derart durchgeführt wird, dass mindestens ein erster Abschnitt der Lamelle eine Schraubwand bildet, ein zweiter Abschnitt eine erste Verbindungswand bildet, ein dritter Abschnitt die Gegenauflagewand bildet und ein vierter Abschnitt eine zweite Verbindungswand bildet.
  9. Einheit, dadurch gekennzeichnet, dass sie Folgendes umfasst:
    - eine Klemme (100) gemäß einem der vorhergehenden Ansprüche,
    - ein zweites leitendes Element (133), das in die zweite Klemmstelle gemäß der zweiten Richtung eingeführt ist,
    - eine zusätzliche Klemme (162), die elektrisch mit dem zweiten leitenden Element (133) verbunden und dazu ausgelegt ist, mit einem dritten leitenden Element (172) wie z.B. einem Kabel verbunden zu sein.
EP13152790.5A 2012-02-03 2013-01-25 Elektrische Anschlussklemme Not-in-force EP2624365B8 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1251034A FR2986664B1 (fr) 2012-02-03 2012-02-03 Borne de raccordement electrique

Publications (3)

Publication Number Publication Date
EP2624365A1 EP2624365A1 (de) 2013-08-07
EP2624365B1 true EP2624365B1 (de) 2016-08-24
EP2624365B8 EP2624365B8 (de) 2016-10-05

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP13152790.5A Not-in-force EP2624365B8 (de) 2012-02-03 2013-01-25 Elektrische Anschlussklemme

Country Status (4)

Country Link
US (1) US8814607B2 (de)
EP (1) EP2624365B8 (de)
CN (1) CN103247877B (de)
FR (1) FR2986664B1 (de)

Families Citing this family (4)

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Publication number Priority date Publication date Assignee Title
US9601841B2 (en) * 2014-10-16 2017-03-21 Hubbell Incorporated Wire terminal assembly and adapter kit
USD796455S1 (en) * 2016-06-15 2017-09-05 Eaton Corporation Electrical terminal
US9812829B1 (en) * 2016-11-10 2017-11-07 Schneider Electric USA, Inc. Wiring connector for two wire to two point connection
FR3080494B1 (fr) * 2018-04-19 2021-03-19 Hager Electro Sas Dispositif de raccordement pour appareil electrique, appareil electrique comprenant ledit dispositif de raccordement et coffret de distribution associe

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DE2107218C3 (de) * 1971-02-16 1979-02-22 Siemens Ag, 1000 Berlin Und 8000 Muenchen Verwendung einer Kastenklemme und Kastenklemme hierfür
DE3412317A1 (de) * 1984-04-03 1985-10-03 C.A. Weidmüller GmbH & Co, 4930 Detmold Leiteranschluss fuer kaschierte leiterplatten
EP0240822B1 (de) * 1986-04-04 1992-07-29 Siemens Aktiengesellschaft Rahmenklemme zum Anschluss elektrischer Leiter
FR2612340B1 (fr) * 1987-03-13 1993-02-12 Merlin Gerin Borne de raccordement multiple pour appareil electrique modulaire
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FR2766297B1 (fr) * 1997-07-21 2002-11-29 Abb Control Sa Appareil electrique portant un support de contact fixe et une borne de raccordement
DE19951789A1 (de) * 1999-10-27 2001-05-03 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Anschlussklemme
DE19962289A1 (de) * 1999-12-23 2001-06-28 Abb Patent Gmbh Anschlussklemmenanordnung für ein elektrisches Installationsgerät
DE10111190B4 (de) * 2001-03-08 2005-02-03 Siemens Ag Anschlussklemme mit Kontaktstück
FR2825838B1 (fr) * 2001-06-06 2006-12-29 Schneider Electric Ind Sa Borne a vis
FR2894722B1 (fr) * 2005-12-09 2009-05-22 Schneider Electric Ind Sas Borne de connexion electrique et appareil electrique de coupure comportant une telle borne
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US7404745B1 (en) * 2007-04-03 2008-07-29 Chih-Yuan Wu Terminal contact and clamp assembly for a cable terminal block and method for processing the same
DE102007035016A1 (de) * 2007-07-26 2009-01-29 Abb Ag Schraubanschlussklemme und Verfahren zu deren Herstellung

Also Published As

Publication number Publication date
FR2986664A1 (fr) 2013-08-09
FR2986664B1 (fr) 2014-02-14
EP2624365B8 (de) 2016-10-05
EP2624365A1 (de) 2013-08-07
CN103247877A (zh) 2013-08-14
CN103247877B (zh) 2016-08-17
US8814607B2 (en) 2014-08-26
US20130203301A1 (en) 2013-08-08

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