EP3476007B1 - Leiteranschlussklemme - Google Patents

Leiteranschlussklemme Download PDF

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Publication number
EP3476007B1
EP3476007B1 EP17730800.4A EP17730800A EP3476007B1 EP 3476007 B1 EP3476007 B1 EP 3476007B1 EP 17730800 A EP17730800 A EP 17730800A EP 3476007 B1 EP3476007 B1 EP 3476007B1
Authority
EP
European Patent Office
Prior art keywords
clamping
section
vertical section
busbar piece
connection terminal
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
EP17730800.4A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3476007A1 (de
Inventor
Hans-Josef Köllmann
Michael Meyer
Thomas Witte
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.)
Wago Verwaltungs GmbH
Original Assignee
Wago Verwaltungs GmbH
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=59070679&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP3476007(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Wago Verwaltungs GmbH filed Critical Wago Verwaltungs GmbH
Priority to EP20186933.6A priority Critical patent/EP3745538A1/de
Priority to PL17730800T priority patent/PL3476007T3/pl
Priority to EP20203729.7A priority patent/EP3787121B1/de
Publication of EP3476007A1 publication Critical patent/EP3476007A1/de
Application granted granted Critical
Publication of EP3476007B1 publication Critical patent/EP3476007B1/de
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
    • 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
    • H01R9/2408—Modular blocks
    • 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
    • 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
    • H01R4/4846—Busbar details
    • 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
    • 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
    • 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
    • H01R13/10—Sockets for co-operation with pins or blades
    • H01R13/11—Resilient sockets
    • H01R13/112—Resilient sockets forked sockets having two legs
    • 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
    • H01R4/484—Spring housing details
    • 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
    • H01R4/4846—Busbar details
    • H01R4/4852—Means for improving the contact with the conductor, e.g. uneven wire-receiving surface

Definitions

  • the invention relates to a conductor connection terminal with a busbar piece and a clamping spring, which has a clamping leg which is oriented towards the busbar piece to form a clamping point for clamping an electrical conductor between the clamping point and the busbar piece, a spring bow adjoining the clamping leg and a contact leg which is connected to a vertical section extending transversely to the busbar piece.
  • the vertical section of the contact leg has a recess with edge edges that encompass the busbar piece.
  • DE 10 2010 025 930 A1 shows such a connection terminal with a clamping spring and a busbar piece.
  • the contact insert formed from the clamping spring and busbar piece is built into an insulating material housing.
  • the clamping spring is designed as an open loop and has a contact leg and a clamping leg. The contact leg rests longitudinally on the current bar. The current bar is passed through a recess in the clamping leg.
  • DE 10 2009 004 513 A1 discloses a conductor connection terminal with a clamping spring and a U-shaped bent receiving element.
  • the section adjoining the spring bow forms a bearing leg resting on the receiving element.
  • a limiting leg is bent from this bearing leg to a tab of the receiving element which, together with the clamping leg, forms a clamping point for clamping an electrical conductor.
  • the bearing leg has a nose element which can be positioned in an opening of the receiving element surrounding the clamping spring in order to fix the limiting leg.
  • the edge region of the delimiting leg rests against the receiving element.
  • EP 2 434 581 A1 discloses an electrical connection terminal with a busbar piece that can be soldered to a circuit board with soldering pins, and with a U-shaped bent leg spring.
  • a horizontal section of a contact leg of the leg spring protrudes from the spring arch and is supported on a bearing plate bent away from the busbar section.
  • the contact leg has an indentation for the form-fitting reception on the busbar piece in the area of the bearing plate.
  • the object of the present invention is to create an improved connection terminal in which the clamping spring is connected to the busbar piece in a self-supporting manner in a structurally simple manner and the clamping spring is relatively stable and stiff.
  • the busbar piece have a contact wall which is arranged adjacent to a wall surface of the vertical section of the contact leg, which is on the side of the vertical section facing away from the clamping leg.
  • the contact wall is designed to support the vertical section of the contact leg with the wall surface facing away from the clamping leg.
  • the vertical section of the contact leg forms a plane which is oriented perpendicular to the main direction of extent of the busbar section.
  • the main direction of extent of the busbar piece is determined by the direction between a clamping section and the free end of a fork contact socket which is opposite the clamping section.
  • a self-supporting clamping insert is formed from the clamping spring and the busbar piece, in which the forces that occur when an electrical conductor is clamped or when the clamping point is opened are essentially absorbed in a closed system between the clamping leg and the busbar piece.
  • a horizontal section of the contact leg extending in the main direction of extent of the busbar piece is bent away from the vertical section.
  • This horizontal section is arranged at a distance from the busbar piece and merges into the spring arch.
  • a spring arm is provided at a distance from the busbar, which is supported very stably by the vertical section.
  • This horizontal section enables e.g. in conjunction with an actuating lever to relieve the clamping spring when it is opened and to provide a soft spring for opening the clamping point.
  • a pressure acting on the horizontal section is reduced or canceled by an actuating lever.
  • the actuating lever can be supported on the horizontal section, so that a significantly more rigid clamping spring is then provided.
  • Transversely is understood to mean that the vertical section is oriented towards the busbar piece. An exactly perpendicular arrangement at an angle of 90 ° is not required.
  • the contact leg is supported with the edge edges delimiting the recess on the busbar piece, in that these edge edges encompass the busbar piece.
  • the term “encompassing” is understood to mean that the busbar adjoins marginal edges of the recess on at least two sides.
  • the recess can be open from at least one side Bay be trained.
  • the marginal edges of the recess adjoin, for example, on the top and the adjoining two narrow side edges of the busbar piece or on the top, a narrow side edge and the underside of the busbar piece.
  • a transverse web can be formed which engages under the busbar piece.
  • the busbar piece is then inserted into this recess.
  • the edge of the vertical section which is opposite the transverse web and which delimits the recess is then supported on the busbar piece.
  • the contact leg is held on the busbar section on the upper side and the underside of the busbar section.
  • the contact leg can be firmly clamped into the busbar piece or can be easily moved with a limited tolerance. In any case, the contact leg is fixed in position on the busbar piece in this way.
  • the vertical section of the contact leg can have an indentation at a distance from the transverse web. A finger dipping into the indentation then protrudes from the installation wall. Thus, at a distance from the recess of the contact leg on which the clamping spring is supported on the busbar piece, a further position fixing is provided at a distance from the recess. Tilting of the clamping spring is prevented by the fingers of the contact wall protruding from the contact wall and dipping into the indentation of the contact leg.
  • the finger can grip around the vertical section of the contact leg and rest with its end on the side of the vertical section which is opposite the contact surface of the vertical section on the contact wall.
  • the contact leg is fixed in position on the contact wall by the contact leg resting on the one hand on the wall surface of the contact wall facing away from the clamping leg and on the other hand on the finger on the side of the contact leg facing the clamping leg.
  • the horizontal section of the contact insert formed from the busbar piece and clamping spring can be exposed without a surrounding insulating material housing and can have no support on the busbar piece.
  • the only support for the horizontal section is then optionally provided by the insulating material housing or an actuating element arranged on or in it.
  • the conductor connection terminal can have an insulating material housing with a clamping insert which is formed from such a busbar piece and a clamping spring.
  • the insulating material housing can have a conductor entry opening (conductor entry channel) in a manner known per se in order to guide an electrical conductor to the terminal point formed by the clamping spring and the busbar piece.
  • clamping inserts can also be present in the insulating material housing.
  • a busbar piece can also be part of a common busbar for several clamping inserts.
  • an actuating element is mounted pivotably or displaceably in the insulating material housing.
  • the actuating element is then designed to act on an actuating section of the clamping leg when the actuating element is pivoted or displaced.
  • the clamping point for clamping the electrical conductor can thus be opened. It can also optionally be used to apply pressure to the horizontal section in the clamped-on state and thus to stiffen the spring clamping line.
  • the busbar piece can have two fork prongs which are arranged at a distance from one another and are aligned facing one another to form a fork plug contact socket.
  • the contact wall is then formed by a side edge of a connecting web which connects the two fork prongs connects.
  • the conductor connection terminal thus not only has a clamping contact for connecting an electrical conductor, but also a plug contact for connecting a mating contact to the fork plug contact socket.
  • the connecting web between the forks required for the forks is also used as a contact wall. This contact wall is formed transversely to the fork prongs on which the vertical section of the contact leg rests.
  • the fork plug contact socket can thus interact optimally with the vertical section of the contact leg in order to mount the vertical section on the connecting web of the fork plug contact socket.
  • a tab can protrude from the connecting web, which tab rests against the vertical section and faces the clamping leg. In this way, the tab can not only secure the clamping spring on the busbar piece. It can also contribute to the fact that a conductor stop is not only formed by the vertical section, but also at least partially by the tab.
  • the busbar piece In its area on which the vertical section of the contact leg is supported, the busbar piece can have a cross-sectional profile designed in the shape of a wave with beads and elevations. With such a profile design with beads and elevations, the busbar piece is stiffened and the force dissipation from the contact leg to the busbar piece is improved.
  • the wave-shaped cross-sectional profile can be implemented very easily in the forming process for shaping the busbar section.
  • a horizontal section of the contact leg extending in the main direction of extent of the busbar section can be bent, which is arranged at a distance from the busbar section and merges into the spring arc.
  • a holding section which extends towards the busbar piece and is mounted on the busbar piece can protrude from this horizontal section.
  • the abutment wall which supports the vertical section, can be formed by an edge of the busbar piece facing the vertical section. It is conceivable that the contact wall is formed by a peripheral edge of a connecting web facing the vertical section, which connects the fork prongs of the busbar piece to one another, and / or by a peripheral edge of a fork prong that lies on the end of the fork prong opposite the clamping end of the fork prong. This creates an edge, i.e. the narrow side of an end face of part of the busbar piece used as a system wall.
  • the vertical section can have at least one side web which dips into an associated lateral recess of the busbar piece. In this way, the vertical section is not only supported on the contact wall, but is also fixed in position on the busbar piece.
  • the contact leg can have a contact leg adjoining the vertical section and bent over by the vertical section, which abuts the clamping section on the side of the clamping section of the busbar piece facing away from the clamping leg and is spaced apart from the clamping section in a test area.
  • This contact section which is bent away from the vertical section and engages under the clamping section of the busbar piece, provides an additional flat mounting of the clamping spring on the busbar piece.
  • This contact leg also forms, with the clamping section of the busbar piece, a resilient test connection for a test pin, which can be inserted into the test area between the clamping section and the contact leg. In this way, the voltage potential or signals present at the conductor connection terminal can be measured in a simple and reliable manner below the conductor clamping contact.
  • Figure 1 shows a perspective view of a clamping insert 1, which is formed from a busbar piece 2 and a clamping spring 3.
  • This terminal insert 1 can be used directly as a conductor connection terminal without an insulating housing be used.
  • a conductor connection terminal is formed by such a terminal insert 1 which is built into an insulating material housing.
  • the busbar piece 2 is formed in one piece from a metal sheet and has a fork plug contact socket 5 formed from two fork prongs 4a, 4b opposite one another on its side facing away from the clamping spring 3.
  • the fork prongs 4a, 4b are aligned facing one another and each have a protrusion 6a, 6b at their freely movable end, between which a contact pin can be plugged into.
  • a depression 7 can be made in each case in order to guide the contact pin to be clamped.
  • the two fork prongs 4a, 4b lying opposite one another are connected to one another by a connecting web 8.
  • This connecting web 8 protrudes from the side edges of the fork prongs 4a, 4b and is formed integrally with these fork prongs 4a, 4b from the same material.
  • the clamping spring 3 has a contact leg 9 which is formed from a vertical section 10 and a horizontal section 11 bent from it.
  • a spring bow 12 connects to the contact leg 9 and merges into a clamping leg 13.
  • the clamping leg 13 has a spring tongue 15 directed towards the clamping portion 14 extending away from the lower fork prong 4a, the free end of which has a clamping edge for clamping an electrical conductor between the clamping tongue 15 and the clamping portion 14 of the busbar piece 2.
  • the clamping section 14 has a protrusion or clamping edge 16 which forms a defined and reduced support surface for the electrical conductor clamped between the clamping tongue 15 and the clamping edge 16.
  • the clamping leg 13 has an actuating tab 17 on at least one side, which protrudes laterally at least towards the clamping tongue 15. It serves as a support for an actuating element in order to displace the clamping leg 13 in the direction of the horizontal section 11 of the contact leg 9 and away from the clamping section 14 of the busbar section 2. Using this Actuating section 17 can thus be opened the clamping point for clamping an electrical conductor.
  • clamping section 14 of the busbar section 2 has a run-in bevel 18 at a free end with which an electrical conductor is guided towards the clamping edge 16.
  • the vertical section 10 of the contact leg 9 is oriented transversely to the clamping section 14 of the busbar section 2 and the adjoining first fork prong 4a.
  • the busbar piece dips into a recess 19 in the vertical section 10.
  • This recess 19 is delimited by a transverse web 20 which rests on the underside of the busbar section 2, which lies opposite the connecting web 8.
  • the edge of the vertical section 10 opposite the transverse web 20 and which delimits the recess 19 rests on the upper side of the busbar section.
  • the recess 19 is designed as a bay open on one side, so that the clamping spring 3 can be pushed on transversely to the direction in which the busbar section 2 extends.
  • a finger 21 is arranged at a distance from the recess 19, which dips into an indentation 22 on the vertical section 10 and engages around the vertical section 10.
  • the vertical section 10 is supported on an abutment wall which is provided by the side edge of the connecting web 8.
  • the vertical section 10 of the contact leg 9 is supported on the side facing away from the clamping leg 13 by the wall portion of the connecting web 8 and is fixed in position on the side facing the clamping leg 13 by the finger 21.
  • the vertical section 10 can rest against the end face or side edge of the fork prong 4b, which is located at the end adjacent to the protrusion 6b.
  • the clamping section 14 of the busbar piece 2 is opposite the fork prongs 4b, in the extension of which the clamping section 14 is provided, in the direction facing away from the clamping spring 3 angled or cranked or arranged offset.
  • the crank is provided on the side of the vertical section 10 facing the clamping leg 13 in the busbar piece 2.
  • the transverse web 20 of the vertical section 10, which is arranged on the underside of the fork prong 4 b, is bent or bent out of the plane of the vertical section 10 in the direction of the angled or offset clamping section 14.
  • the transverse web 20 is supported on the busbar piece 2 so that spring forces, caused by the deflection of the clamping spring 3, can be absorbed or compensated for by this support of the transverse web 20, in such a way that no elastic deformation or deflection of the clamping portion 14 takes place when a clamping force acts on the clamping section 14 due to the spring force of the deflected clamping spring 3.
  • Figure 2 shows a perspective view of the clamping spring 3, which is formed from a spring plate.
  • This is an elastically resilient material, for example a metal sheet made from an alloy containing chromium.
  • clamping limb 13 is followed by a spring bow 12 which connects the clamping limb 13 to the contact limb 9.
  • the clamping leg 13 has a first section which adjoins the spring bow 12 and which merges into the clamping tongue 15 after a bend.
  • the end region 23 of the clamping tongue 15 with the clamping edge 24 is somewhat widened.
  • an actuating tab 17 protrudes laterally from the edge of the clamping leg 13 on at least one side.
  • the contact leg 19 is formed from a horizontal section 11 and a vertical section 10 bent from it.
  • the horizontal section 11 can in turn have bends in order to form areas lying on at least two levels.
  • the vertical section 10 has a recess 19 delimited by a lower transverse web 20 and an edge 25 opposite the transverse web 20.
  • This recess 19 is bay-like, that is, open on one side and limited by a side web 26 which connects the transverse web 20 to the part of the vertical section 10 that merges into the horizontal section 11.
  • the transverse web 20 can have a nose 27 at a distance from this side web 26, by means of which a recess between the nose 27 and the side web 26 is formed.
  • This nose 27 can dip into a recess or opening in the busbar section 2 in order to further fix the clamping spring 3 in the position on the busbar section 2. It is also conceivable, however, that a lowered part of the busbar section 2 dips into this recess and the busbar section 2 otherwise also rests on the nose 27.
  • the indentation 22 is provided at a distance from the recess 19 adjacent to the horizontal section 11 on the vertical section 10. This indentation 22 is adapted to receive the finger 21 of the busbar section 2. In this way, the fixing of the position of the clamping spring 3 on the busbar piece 2 is improved.
  • Figure 3 shows a side view of the contact insert 1 from Figure 1 with a section line AA through the vertical section 10 of the clamping spring 3.
  • the two fork prongs 4a, 4b which are arranged at a distance from one another and facing one another, are connected to a fork plug contact socket 5 by the connecting web 8 formed integrally with them.
  • the narrow side edge of the connecting web 8 facing the clamping leg 13 forms a contact wall 28 on which the vertical section 10 of the clamping spring 3 is supported.
  • the busbar piece 2 with the first fork prongs 4a and the clamping section 14 connected to it dips into the recess 19 of the vertical section 10.
  • the transverse web 20 rests on the underside of the busbar section 2.
  • This lower side lies opposite the upper side of the busbar section 2 with the clamping section 14, which has the clamping edge 16 for clamping the electrical conductor and with which the clamping leg 13 is aligned. Clear is that the clamping leg 13 rests with its clamping tongue 15 in the idle state without a clamped conductor on this upper side of the busbar section 2 in the clamping section 14.
  • the finger 21 protruding from the second fork tongue 14 is passed through the vertical section 10 and engages around the vertical section 10 with its free end.
  • the vertical section 10 thus rests on the finger 21 on the side opposite the contact wall.
  • the vertical section 10 is held in this way on the contact wall 28 and rests on the first fork prong 4a and the adjoining part of the clamping section 14 of the busbar section 2.
  • Figure 4 shows a cross section through the clamping insert 1 in section AA. It becomes clear here that the finger 21 extends through the indentation 22 in the vertical section 10.
  • busbar piece 2 dips into the recess 19 of the vertical section 10 in the area of the first fork prong 4a in the transition to the clamping section 14, so that the vertical section 10 rests with its upper edge 25 of the recess 19 on the busbar section 2 and the opposite transverse edge 20 engages under the busbar section 2.
  • FIG. 11 shows a rear view of the vertical section 10 of the clamping spring 3 from FIG Figure 2 .
  • the indentation 19 of the vertical section 10 enables the busbar piece 2 to be immersed, so that the contact leg 9 with its upper edge 25 delimiting the recess 19 can come to rest on the busbar piece 2 and the transverse web 20 delimiting the recess 19 the Busbar section 2 engages below.
  • the clamping spring 3 is provided to be pushed onto or mounted laterally onto the busbar piece 2.
  • Figure 6 shows a side view of a conductor connection terminal 29, which is formed from a previously described clamping insert 3, which is built into an insulating housing 30.
  • the insulating material housing 30 also has an actuating element 31 which, in the exemplary embodiment shown, is designed as a pivotably mounted actuating lever.
  • the actuating lever has an actuating arm 32 which extends above the horizontal section 11 of the clamping spring 3 and which merges into a bearing section 33 which is guided laterally past the clamping spring 3.
  • the bearing section 33 has an actuating contour 34 which is designed to act on the laterally protruding actuating tab 17 on the clamping leg 13.
  • the insulating material housing 30 has a conductor insertion opening 35 for inserting an electrical conductor 36 on the side opposite the fork plug contact socket 5.
  • This electrical conductor 36 is then clamped with its stripped end between the clamping tongue 15 of the clamping leg and the clamping section 14 of the busbar section 2 in an electrically conductive manner. It becomes clear that in the folded-down state of the actuating lever 31 this rests on the horizontal section 11 in order to stiffen the spring characteristic of the clamping spring 3.
  • latching contours are provided, for example in the form of latching openings 37 and latching pins, with which several conductor connection terminals 19 can be combined next to one another to form a terminal arrangement.
  • a pin 38 protrudes from the insulating material housing 30 adjacent to the fork plug contact socket 5 and can be used for guidance, locking and / or coding.
  • a contact pin insertion channel on the side opposite the conductor insertion opening 35 in order to guide a contact pin to the clamping point between the fork prongs 4a, 4b.
  • Figure 7 shows a top view of a two-pole conductor connection terminal 29.
  • Two insulating material housings 30 with clamping inserts 1 built into them are arranged next to one another and locked together.
  • the actuating arm 32 of the actuating lever 31 does not cover the horizontal section 11 of the clamping spring. This can then move flexibly upwards so that the spring force is further reduced when opening.
  • FIG. 8 shows a cross-sectional view of a modification of the contact insert 1.
  • a recess 19 is made on the vertical section 10, which recess is delimited by an upper edge 25 and side webs 26a, 26b protruding from this edge 25.
  • the busbar piece 2 is received in the region of the first fork prong 4a in the transition to the holding section 14 in this recess 19 by dipping into the recess 19 from below in the direction of the upper edge 25.
  • These two opposite side webs 26a, 26b then adjoin the side edges of the busbar section 2 or engage in laterally arranged on the busbar section 2 Recesses. It becomes clear that this embodiment of the clamping spring 3 is intended for assembly from above onto the busbar section 2 ..
  • the busbar piece 2 is formed in the shape of a wave by beads 39 and elevations 40 in the region immersed in the recess 19. This reduces the risk of deformation of the busbar section 2 as a result of the vertical section 10 resting on the busbar section 2.
  • the cross-section of the busbar section 2, weakened by the lateral recesses, is reinforced by wave-shaped beads 39 and elevations 40 in order to be able to absorb the forces introduced by the clamping spring 3.
  • Figure 9 shows a perspective exploded view of a further embodiment of the conductor connection terminal 1 formed from the clamping spring 3 and the busbar section 2.
  • the busbar section 2 and the clamping spring 3 For the basic structure of the busbar section 2 and the clamping spring 3, reference can essentially be made to the preceding statements.
  • a tab 42 now protrudes from the connecting web 8 on the side facing the clamping tongue 15 of the clamping spring 3.
  • a lateral recess 43 is provided in the transition between the lower fork prongs 4a and the clamping section 14.
  • a contact section 44 protrudes from the vertical section 10 of the clamping spring 3 opposite to the horizontal section 11. This contact section 44 merges with a side web 45 into the vertical section 10. In this transition area next to the side web 45, the recess 19 is present with its edge edges encompassing the busbar piece 2 in the installed state.
  • the free end of the contact section 44 bent over from the vertical section is bent away again at an angle away from the clamping leg 13.
  • a trough-like recess 46 is made on the side of the run-in bevel 18 of the clamping section 14 which faces away from the clamping leg 13.
  • the inlet slope 18 is also narrower in the front end area, than the adjoining area of the clamping section 14. Tongue-like sections 47 are provided laterally next to the inlet slope.
  • Figure 10 omits a perspective rear view of the conductor connection terminal 1 Figure 9 detect. It becomes clear once again that the clamping section 14 ends at the free end with an inlet slope 18 in the central area. On both sides of this run-in bevel 18 there are tongue-like sections 47 which are shorter than the run-in bevel 18 and extend at a slightly different angle than the run-in bevel 18. The upper sides of the tongue-like sections 47 are also, unlike the inlet slope 18, curved.
  • the lateral recess 43 is positioned in such a way that it is located in front of the tab 42 when viewed from the direction of the fork prongs 4a, 4b.
  • the vertical section 10 pushed laterally into the busbar piece 2 is thus with its side facing the clamping leg 13 on the tab 42 and with its side facing away from the clamping leg 13 on the contact wall 28 formed by the edge of the upper fork prong 4b and the lateral recess 43 on the Busbar piece 2.
  • FIG 11 leaves a perspective view of the conductor connection terminal 1 Figure 9 recognize from the opposite side.
  • a trough-like recess 46 is made on the underside of the inlet slope 18.
  • clamping spring 3 can be pushed laterally onto the busbar section 2.
  • the side web 45 is arranged on the side opposite the connecting web 8.
  • the vertical section 10 is pushed into a space between the tab 42 and the contact wall 28 formed by the edge.
  • the contact section 44 of the contact leg 9 bent away from the vertical section 10 rests on the clamping section 14 on the side of the clamping section 14 which is opposite the clamping leg 13.
  • the contact section 44 extends as far as the run-in bevel 18, so that there is a free space for receiving a test pin between the trough-shaped recess 46 and the free end of the contact section 44. There, the contact section 44 is thus spaced from the clamping section 14.
  • a gap is provided laterally next to the insertion section 18 between the shortened fingers 47 and the contact section 44 at an angle, which can also be used as a test area to accommodate a test pin in order to measure the voltage potential applied to the conductor connection terminal 1 or the signals applied there.
  • test opening is then present in an insulating material housing (not shown) below the conductor entry opening.
  • Figure 13 omits a perspective rear view of the conductor connection terminal 1 Figure 12 detect. It is again clear here that the vertical section 10 with its side web 45 dips into the lateral recess 43 of the busbar section 2. It becomes clear that the vertical section 10 between the contact wall 28 on the edge of the upper edge facing the clamping leg 15 Fork prong 4b rests on one side and the tab 42 on the opposite side and rests in the lower region with an edge 25 on the clamping section 14. The edge 25 delimits the recess 19.

Landscapes

  • Installation Of Bus-Bars (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Contacts (AREA)
  • Connections Arranged To Contact A Plurality Of Conductors (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
EP17730800.4A 2016-06-24 2017-06-19 Leiteranschlussklemme Active EP3476007B1 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP20186933.6A EP3745538A1 (de) 2016-06-24 2017-06-19 Leiteranschlussklemme
PL17730800T PL3476007T3 (pl) 2016-06-24 2017-06-19 Zacisk przyłączeniowy przewodu
EP20203729.7A EP3787121B1 (de) 2016-06-24 2017-06-19 Leiteranschlussklemme

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016111627.0A DE102016111627A1 (de) 2016-06-24 2016-06-24 Leiteranschlussklemme
PCT/EP2017/064932 WO2017220490A1 (de) 2016-06-24 2017-06-19 Leiteranschlussklemme

Related Child Applications (4)

Application Number Title Priority Date Filing Date
EP20203729.7A Division EP3787121B1 (de) 2016-06-24 2017-06-19 Leiteranschlussklemme
EP20203729.7A Division-Into EP3787121B1 (de) 2016-06-24 2017-06-19 Leiteranschlussklemme
EP20186933.6A Division-Into EP3745538A1 (de) 2016-06-24 2017-06-19 Leiteranschlussklemme
EP20186933.6A Division EP3745538A1 (de) 2016-06-24 2017-06-19 Leiteranschlussklemme

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EP3476007A1 EP3476007A1 (de) 2019-05-01
EP3476007B1 true EP3476007B1 (de) 2020-12-16

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EP20203729.7A Active EP3787121B1 (de) 2016-06-24 2017-06-19 Leiteranschlussklemme
EP20186933.6A Withdrawn EP3745538A1 (de) 2016-06-24 2017-06-19 Leiteranschlussklemme
EP17730800.4A Active EP3476007B1 (de) 2016-06-24 2017-06-19 Leiteranschlussklemme

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US (2) US10594053B2 (pl)
EP (3) EP3787121B1 (pl)
JP (4) JP7075360B2 (pl)
CN (4) CN116845591A (pl)
DE (2) DE102016111627A1 (pl)
PL (2) PL3787121T3 (pl)
WO (1) WO2017220490A1 (pl)

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Also Published As

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EP3787121A1 (de) 2021-03-03
CN114268000B (zh) 2024-03-01
JP7418520B2 (ja) 2024-01-19
US20190131724A1 (en) 2019-05-02
EP3787121B1 (de) 2023-04-05
JP2019522876A (ja) 2019-08-15
CN109328419A (zh) 2019-02-12
EP3476007A1 (de) 2019-05-01
DE202017006806U1 (de) 2018-06-18
CN110829045A (zh) 2020-02-21
DE102016111627A1 (de) 2017-12-28
JP2022160414A (ja) 2022-10-19
JP7420872B2 (ja) 2024-01-23
US10594053B2 (en) 2020-03-17
PL3787121T3 (pl) 2023-08-14
CN114268000A (zh) 2022-04-01
US20200220279A1 (en) 2020-07-09
JP7075360B2 (ja) 2022-05-25
US11239575B2 (en) 2022-02-01
WO2017220490A1 (de) 2017-12-28
JP2022177194A (ja) 2022-11-30
JP7146842B2 (ja) 2022-10-04
PL3476007T3 (pl) 2021-08-02
EP3745538A1 (de) 2020-12-02
CN109328419B (zh) 2023-07-14
JP2020129555A (ja) 2020-08-27
CN116845591A (zh) 2023-10-03
CN110829045B (zh) 2021-05-14

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