EP3583663B1 - Dispositif de connexion pour extrémité de conducteur - Google Patents

Dispositif de connexion pour extrémité de conducteur Download PDF

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Publication number
EP3583663B1
EP3583663B1 EP18704221.3A EP18704221A EP3583663B1 EP 3583663 B1 EP3583663 B1 EP 3583663B1 EP 18704221 A EP18704221 A EP 18704221A EP 3583663 B1 EP3583663 B1 EP 3583663B1
Authority
EP
European Patent Office
Prior art keywords
section
connection device
spring
actuating
actuating element
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP18704221.3A
Other languages
German (de)
English (en)
Other versions
EP3583663A1 (fr
Inventor
Michael Herrmann
Peter Helm
Jürgen Ziemke
Stephan Fehling
Claus MAERTIN
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.)
Weidmueller Interface GmbH and Co KG
Original Assignee
Weidmueller Interface GmbH and Co KG
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 Weidmueller Interface GmbH and Co KG filed Critical Weidmueller Interface GmbH and Co KG
Publication of EP3583663A1 publication Critical patent/EP3583663A1/fr
Application granted granted Critical
Publication of EP3583663B1 publication Critical patent/EP3583663B1/fr
Active 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
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/4828—Spring-activating arrangements mounted on or integrally formed with the spring housing
    • H01R4/483—Pivoting arrangements, e.g. lever pushing on the spring
    • 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
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/4828—Spring-activating arrangements mounted on or integrally formed with the spring housing
    • H01R4/4833—Sliding arrangements, e.g. sliding button
    • 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
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/48185—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar adapted for axial insertion of a wire end
    • H01R4/4819—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar adapted for axial insertion of a wire end the spring shape allowing insertion of the conductor end when the spring is unbiased
    • H01R4/4821—Single-blade spring

Definitions

  • the invention relates to a connection device for a conductor end according to the preamble of claim 1.
  • actuating elements are used on spring terminals of various types, on pressure or tension spring terminals, but also on other connection devices, for example on those that work according to an insulation-penetrating principle.
  • spring-loaded terminals actuating elements are generally used to exert force directly or indirectly on the energy store (in particular in terms of tensioning a spring or in terms of releasing a spring from a latched position) in order to either open or close the terminal point.
  • a connection device is from DE 10 2010 015457 A1 known.
  • the object of the invention is to create a connection device which satisfies this requirement well.
  • the actuating element By configuring the actuating element as a plastic-metal composite element instead of configuring it as a pure plastic element, it is initially possible to design the actuating element and thus the entire connection device to be very compact. This is because a metal section optimizes the static properties of the actuating element compared to an embodiment made only of plastic, while the plastic section can continue to have an insulating effect and possibly allows the actuating element to be guided well in a (plastic) housing.
  • Known pushers as slides or levers are made exclusively of plastic and are therefore more limited in their mechanical stability.
  • the mechanical stability of the actuating element can be significantly increased by the metal section, in particular a metal insert. Disadvantageous effects such as bending and twisting of the actuating element can be significantly reduced since the metal section can be dimensioned to be sufficiently stable in a small space in a simple manner. By increasing the stability, further miniaturization of the components is even possible.
  • test taps are usually located next to the actuating element (pusher/lever) and/or there is a more complex test tap through an opening in the actuating element, which must be dimensioned sufficiently large so that the test tip can be pushed through.
  • connection device it is provided that the end of the conductor is pressed or pulled against the current-conducting element with a spring, with the actuating element being provided for exerting force directly or indirectly on the spring.
  • the connection device is then designed as a spring clamp.
  • the spring can in turn be designed as a compression spring or as a tension spring.
  • An embodiment as a direct plug-in terminal with a compression spring is particularly preferred but not mandatory.
  • the invention can also be implemented in connection devices that are designed in other ways, such as spring-cage terminals or, for example, in connection devices that have an insulation-piercing contact, with an actuating element being provided to guide the conductors onto or into the insulation-piercing contact.
  • the plastic-metal composite element can have a metallic core which is surrounded, preferably overmoulded, with plastic either completely or in sections, so that a plastic jacket is formed.
  • the metallic core for example a pin part or a flat part--allows, on the one hand, a compact configuration of the actuating element in a simple manner.
  • the metal section in particular the metal core, makes it possible to use the actuating element for other functions, such as for electronic testing purposes.
  • the metal section, in particular the metal core consists of a metal with good electrical conductivity, preferably a copper alloy or an aluminum alloy. However, it can also consist of steel or other materials.
  • the invention can be used particularly well in connecting devices in which the actuating element is designed as a pusher that can be moved in the housing for tensioning or releasing the tension spring or the compression spring from a tensioned position.
  • the actuating element in particular the pusher—can be guided exclusively or essentially in a displaceable manner in the housing or can be pivoted in the housing. This is because, particularly in the case of pushbuttons on direct plug-in terminals, which are essentially slidably guided in the housing and are often designed as an elongate element with a polygonal, in particular rectangular, cross-section, there is a desire to make them as compact as possible.
  • the actuating element is used in a particularly advantageous manner not only for actuation but also for the function of the test tap, so that no additional installation space of the connection device is required for the realization of this test tap.
  • the wear properties between the pusher and the spring are improved because metal rubs against metal. This optimizes the operating forces.
  • the Fig. 1a and 3 each show a connecting device 1 for connecting a conductor end 2 (well in 3 to recognize), the two connection devices 1 are each designed in different ways as direct plug-in terminals.
  • the design as a direct plug-in terminal is particularly preferred but not mandatory.
  • the invention can also be implemented in connection devices which are designed in other ways, such as spring-cage terminals or, for example, in connection devices which have an insulation-piercing contact.
  • connection devices 1 of 1 and 3 each have a housing 3 and a current-conducting element 4, against which the conductor end in the housing 3 is pressed with a spring 5 in order to contact the current-conducting element 4 in the region of a terminal point.
  • the current-conducting element 4 is designed in each case as a busbar made of electrically conductive material.
  • the housing 3, on the other hand, consists of non-conductive material, in particular plastic.
  • the end of the conductor 2 can be designed, for example, as a conductive wire of a wire stripped at its end, in particular as a stranded wire.
  • connection device Fig.1 and the 2 are each designed as direct plug-in terminals (also called push-in terminals).
  • the spring 5 is therefore formed accordingly as a compression spring.
  • the respective compression springs each have a support leg 6 for support in the housing 3 or (as shown here) on a clamping cage.
  • the busbar 4 as the current-conducting element forms a section of the clamping cage, for example.
  • the clamping cage can, for example, be designed essentially U-shaped in one embodiment and can also be used to support the support leg 6 .
  • the compression spring proves Fig. 1a and 3 each have a clamping leg 7 which is connected to the support leg 5 via a bend 8 .
  • the bend lies here in each case on a pin-like contour of the housing 3 .
  • the clamping leg 7 serves to press the conductor end 2 in the area of the clamping point against the current-conducting element, here the busbar 4 .
  • the connecting device 1 then has an actuating element 9 in each case.
  • the actuating element 9 is used to actuate the spring 4.
  • the actuating element 9 exerts pressure on the clamping leg 7 of the compression spring in such a way that the clamping leg 7 is pivoted away from the busbar 4 so that the clamping point opens, which in turn makes it possible to insert the conductor end into it.
  • This is particularly advantageous for inserting flexible conductor ends or very thin conductor ends into the terminal point.
  • the actuating element 9 after Fig.1a and 3 each designed as a pusher with which a force, here a compressive force, can be exerted directly on the clamping leg 7 in order to open the clamping point.
  • the actuating elements of FIGS. 3a and 9 are both pushers, they are configured differently in terms of geometry.
  • the pusher is slidably guided in the housing 3 as the actuating element 9 . It is designed like a pin and is slidably guided here in a shaft 3a of the housing. This shaft 3a is here parallel to a conductor insertion opening 3b of the housing 3.
  • the handle of Fig.1 also has a rectangular cross-section, which is preferred but again not essential.
  • the pusher is pivotably mounted in the housing 3 .
  • the pusher protrudes laterally from the housing 3 with an actuating section 9a, here the actuating end.
  • the pusher of Figure 3a is arcuate in a side view.
  • the pusher is designed to exert force on the spring 5 directly or indirectly.
  • the relaxed clamping leg 7 can be released from the current-conducting element 4 and pivoted away, so that the spring 5 is tensioned and the clamping point is opened, so that the conductor end 2 can be reliably inserted into the clamping point or pulled out of it.
  • the actuating element 9 is designed as a plastic-metal composite element.
  • the plastic-metal composite element is characterized in that it has at least one metallic section, in particular a core 10, made of an electrically conductive metal, which is surrounded, preferably overmoulded, in whole or in sections with a jacket 11 made of plastic.
  • the metallic section, here the core 10 consists of a highly conductive metal, preferably a copper alloy or an aluminum alloy. However, it can also consist of another metal that is less electrically conductive but is still sufficiently conductive for test purposes.
  • Fig.1a easy to see is the actuator 9 of Fig. 1a guided in the housing 3 in a substantially displaceable manner.
  • the actuator 5 of 3 is, however, mounted pivotably in the housing 3.
  • the actuating element 9 has an actuating section 9a for manual or tool-assisted actuation and an action section 9b, in particular an action ( 2 , figure 5 ), which can act directly or indirectly on the energy store, here the compression spring, or acts upon actuation.
  • the metallic core 10 (see also 2 ) is preferably not encased by the plastic jacket 11 at two spaced-apart locations, but is exposed to the outside. In this case, one of these points is preferably located on the actuating section 9a and the other of these points on the acting section 9b.
  • These sections 9a, 9b can on a pin-like pusher in the manner of Fig. 2a, b be provided at both ends.
  • the spring is conductively connected directly or indirectly (e.g. via the conductor end 2) to the current-conducting element and that the core 10, as the metal part of the actuating element, conductively connects the actuating end of the actuating element 9 to the acting section 9b, in particular the acting part 11, can always or at least connect when the actuating element 9 is applied to this.
  • the metal part here the core 10, is more preferably exposed at the actuation end 9a in such a way that it can be contacted with a conductive element such as a test probe 12. In this way, a conductive connection from the effective section 9b to the test probe 12 is created. In this way, electrical measurements and tests can be carried out in a simple manner on the respective connecting device 1 with the test probe 12 when the pusher is pressed with slight pressure on the actuating element 9 .
  • the pusher of Fig.1 is guided in the shaft 3a of the housing exclusively or essentially linearly (in the latter case, small pivoting movements are permitted, for example for releasing from a latching in the housing 3).
  • the pusher of FIG. 3a is arranged in the housing 3 so that it can pivot.
  • the actuating end 9a for the test probe 12 is accessible.
  • the acting section 9b lies here in the middle between the bearing and the actuating end or section 9a and is designed as a kind of web with which the clamping leg 7 can be moved.
  • the operating end 9a can each according to the configurations of Fig. 1a and 3 be applied with force manually or with a tool in order to open the terminal point.
  • the core 10 is formed essentially as a straight metal pin.
  • the core 10 has been stamped from a flat sheet metal which has been bent over in sections at the actuating end 9a and the acting section 9b. In a side view, it has an arc shape here.
  • the metallic core 10 both in the embodiment of Fig.1 as well as in the embodiment of 3 respectively through a small opening 15 in the jacket 11 at the actuating end 9a with the test probe 12 is easily accessible and contactable.
  • the actuating element 9 is always ( 3 ) or at least when a small compressive force is exerted on the actuating element 9 with the test probe 12 ( Fig.1a ), with its core 10 made of metallic, electrically conductive material on the spring 5, in this case the compression spring, and contacts it, which in turn contacts the conductor end 2 and/or the busbar 4, so that measurements can be carried out on the connection device 1 with this are.
  • connection device 1 conductor end 2 Housing 3 shaft 3a conductor entry hole 3b current conducting element 4 Feather 5 support legs 6 clamp legs 7 bend 8th actuator 9 actuation end 9a impact section 9b core 10 Coat 11 probe tip 12 passage opening 13 swivel bearing 14 opening 15

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Claims (12)

  1. Dispositif de branchement pour le branchement d'une extrémité de conducteur (2), avec un boîtier (3), un ressort (5) et un élément conducteur électrique (4) conformé comme une barre collectrice, dans lequel un élément d'actionnement (9) est prévu dans ou sur le boîtier (3) pour créer un état en contact avec l'extrémité de conducteur (2) ou un état sans contact avec l'extrémité de conducteur (2), dans lequel l'élément d'actionnement (9) est conçu comme un élément composite en matière plastique et métal, lequel élément composite en matière plastique et métal comprend une partie métallique, en particulier un noyau métallique (10), qui est entourée entièrement ou partiellement de matière plastique, de préférence par injection, de sorte que la matière plastique forme une partie en matière plastique, en particulier une enveloppe en matière plastique (11), dans lequel l'élément d'actionnement (9) comporte une extrémité d'actionnement (9a) pour l'actionnement manuel ou aidé par un outil et une partie effectrice (9b), en particulier une extrémité effectrice qui peut agir directement ou indirectement sur le ressort (5), et le ressort (5) est fait d'un matériau conducteur et est ou peut être connecté directement ou indirectement de façon conductrice avec la barre collectrice, dans lequel la partie métallique est dénudée dans la partie effectrice (9b) de façon à pouvoir être mise en contact avec le ressort (5), caractérisé en ce que la partie métallique, en particulier le noyau (10), de l'élément d'actionnement (9) connecte de façon conductrice la partie d'actionnement (9a) de l'élément d'actionnement (9) avec sa partie effectrice (9b), la partie métallique étant dénudée dans la partie d'actionnement (9a) de façon à pouvoir être mise en contact avec un élément conducteur tel qu'une pointe d'essai (12).
  2. Dispositif de branchement selon la revendication 1, caractérisé en ce qu'il est conformé de telle manière que l'extrémité de conducteur puisse être enfoncée sur l'élément conducteur électrique (4) ou retirée avec le ressort (5), l'élément d'actionnement (9) étant destiné à exercer directement ou indirectement une force sur le ressort (5) pour tendre ou détendre celui-ci.
  3. Dispositif de branchement selon la revendication 1 ou 2, caractérisé en ce que la partie métallique, en particulier le noyau métallique (10), est faite d'un métal conducteur, de préférence d'un alliage de cuivre ou d'un alliage d'aluminium.
  4. Dispositif de branchement selon l'une des revendications précédentes, caractérisé en ce que le noyau métallique (10) n'est pas enveloppé par l'enveloppe en matière plastique (11) en des points au moins écartés les uns des autres.
  5. Dispositif de branchement selon la revendication 4, caractérisé en ce que le point non enveloppé est formé sur la partie d'actionnement (9a) et l'autre point non enveloppé est formé sur la partie effectrice (9b).
  6. Dispositif de branchement selon l'une des revendications précédentes, caractérisé en ce que le ressort est conçu comme un ressort de compression ou comme un ressort de traction.
  7. Dispositif de branchement selon la revendication 6, caractérisé en ce que le ressort de compression est approximativement en forme de V.
  8. Dispositif de branchement selon l'une des revendications précédentes, caractérisé en ce que l'élément d'actionnement (9) est conçu comme un poussoir disposé de façon mobile dans le boîtier pour tendre et/ou détendre le ressort de traction ou le ressort de compression.
  9. Dispositif de branchement selon la revendication 9, caractérisé en ce que les points non enveloppés, donc dénudés, sont formés sur la partie d'actionnement (9a) et sur la partie effectrice (9b).
  10. Dispositif de branchement selon l'une des revendications précédentes, caractérisé en ce que l'élément d'actionnement (9) est guidé uniquement ou essentiellement en translation dans le boîtier (3).
  11. Dispositif de branchement selon l'une des revendications 1 à 9, caractérisé en ce que l'élément d'actionnement (9) est supporté de façon pivotante dans le boîtier (3).
  12. Dispositif de branchement selon l'une des revendications précédentes, caractérisé en ce que le noyau métallique (10) peut être mis en contact avec la pointe d'essai (12) dans la partie d'actionnement (9a) à travers une ouverture (15) dans l'enveloppe en matière plastique (11).
EP18704221.3A 2017-02-17 2018-02-07 Dispositif de connexion pour extrémité de conducteur Active EP3583663B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202017100871.1U DE202017100871U1 (de) 2017-02-17 2017-02-17 Anschlussvorrichtung für ein Leiterende
PCT/EP2018/053085 WO2018149715A1 (fr) 2017-02-17 2018-02-07 Dispositif de connexion pour extrémité de conducteur

Publications (2)

Publication Number Publication Date
EP3583663A1 EP3583663A1 (fr) 2019-12-25
EP3583663B1 true EP3583663B1 (fr) 2023-05-10

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP18704221.3A Active EP3583663B1 (fr) 2017-02-17 2018-02-07 Dispositif de connexion pour extrémité de conducteur

Country Status (4)

Country Link
EP (1) EP3583663B1 (fr)
DE (1) DE202017100871U1 (fr)
PL (1) PL3583663T3 (fr)
WO (1) WO2018149715A1 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110890642B (zh) * 2018-09-11 2021-02-02 町洋企业股份有限公司 旋启式夹掣组件及具有该组件的连接装置
DE102019125410B3 (de) 2019-09-20 2020-12-10 Wago Verwaltungsgesellschaft Mbh Leiteranschlussklemme und Verfahren zur Montage einer Leiteranschlussklemme
DE102021103855A1 (de) * 2021-02-18 2022-08-18 Phoenix Contact Gmbh & Co. Kg Klemmfeder, Anschlussanordnung und Anschlussklemme
DE202022105595U1 (de) 2022-10-04 2024-01-09 WAGO Verwaltungsgesellschaft mit beschränkter Haftung Leiteranschlussklemme und Betätigungselement

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Publication number Priority date Publication date Assignee Title
DE1967287U (de) * 1967-06-14 1967-08-31 Jung Elektrotech Fab A Schraubenlose klemme zum anschluss von leitern an elektrische geraete, insbesondere installationsgeraete.
DE19611854C1 (de) * 1996-03-26 1997-07-10 Kostal Leopold Gmbh & Co Kg Schraubenlose Anschlußklemme
DE202006012106U1 (de) * 2006-08-08 2006-10-12 Harting Electric Gmbh & Co. Kg Anschlusskontakt für elektrische Leiter
JP2008108642A (ja) * 2006-10-26 2008-05-08 Matsushita Electric Works Ltd 速結端子装置
DE102008052626B4 (de) * 2008-10-22 2014-12-31 Wago Verwaltungsgesellschaft Mbh Anschlussklemme
DE102010015457B4 (de) * 2010-04-16 2012-08-30 Wago Verwaltungsgesellschaft Mbh Federkraftklemmanschluss und Klemmbauelement
ITMI20121974A1 (it) * 2012-11-20 2014-05-21 Ilme Spa Connettore elettrico multipolare perfezionato con contatti a molla
DE202013101582U1 (de) * 2013-04-15 2014-07-16 Weidmüller Interface GmbH & Co. KG Federkraftklemmelement mit Schwenkhebel
DE102015120063B3 (de) 2015-11-19 2017-01-12 Wago Verwaltungsgesellschaft Mbh Leiteranschlussklemme und Betätigungswerkzeug hierzu

Also Published As

Publication number Publication date
PL3583663T3 (pl) 2023-08-28
EP3583663A1 (fr) 2019-12-25
DE202017100871U1 (de) 2018-05-18
WO2018149715A1 (fr) 2018-08-23

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