EP3787121B1 - Conductor connection terminal - Google Patents

Conductor connection terminal Download PDF

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Publication number
EP3787121B1
EP3787121B1 EP20203729.7A EP20203729A EP3787121B1 EP 3787121 B1 EP3787121 B1 EP 3787121B1 EP 20203729 A EP20203729 A EP 20203729A EP 3787121 B1 EP3787121 B1 EP 3787121B1
Authority
EP
European Patent Office
Prior art keywords
clamping
section
conductor
leg
vertical section
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
EP20203729.7A
Other languages
German (de)
French (fr)
Other versions
EP3787121A1 (en
Inventor
Herr Michael MEYER
Hans-Josef Köllmann
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
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Application filed by Wago Verwaltungs GmbH filed Critical Wago Verwaltungs GmbH
Publication of EP3787121A1 publication Critical patent/EP3787121A1/en
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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00Electrically-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
    • H01R4/28Clamped connections, spring connections
    • H01R4/48Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00Electrically-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
    • H01R4/28Clamped connections, spring connections
    • H01R4/48Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/4828Spring-activating arrangements mounted on or integrally formed with the spring housing
    • H01R4/48365Spring-activating arrangements mounted on or integrally formed with the spring housing with integral release means
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R9/00Structural 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
    • H01R9/22Bases, e.g. strip, block, panel
    • H01R9/24Terminal blocks
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R9/00Structural 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
    • H01R9/22Bases, e.g. strip, block, panel
    • H01R9/24Terminal blocks
    • H01R9/2408Modular blocks
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R9/00Structural 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
    • H01R9/22Bases, e.g. strip, block, panel
    • H01R9/24Terminal blocks
    • H01R9/26Clip-on terminal blocks for side-by-side rail- or strip-mounting
    • H01R9/2675Electrical interconnections between two blocks, e.g. by means of busbars
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02Contact members
    • H01R13/10Sockets for co-operation with pins or blades
    • H01R13/11Resilient sockets
    • H01R13/112Resilient sockets forked sockets having two legs

Definitions

  • the invention relates to a conductor connection terminal with a busbar piece and a clamping spring, which has a clamping leg aligned with 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 a vertical section extends transversely to the busbar piece.
  • the vertical section of the contact leg has a recess with edge edges that engage around the busbar piece.
  • DE 10 2010 025 930 A1 shows such a terminal with a clamping spring and a busbar piece.
  • the contact insert which is made up of a clamping spring and a busbar piece, is built into an insulating housing.
  • the clamping spring is designed as an open loop and has a contact leg and a clamping leg. The contact leg lies lengthwise on the current bar. In this case, the current bar is guided through a recess in the clamping leg.
  • DE 10 2009 004 513 A1 discloses a conductor terminal with a clamping spring and a U-shaped receiving element.
  • the section adjoining the spring bow forms a bearing leg resting against the receiving element.
  • a delimiting leg is bent from this bearing leg towards a lug of the receiving element which, together with the clamping limb, 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 area of the delimiting leg rests against the receiving element.
  • JP 2011 119161 A discloses a conductor connection terminal with a busbar and a clamping spring, the clamping spring having a clamping leg which, together with the busbar, forms a clamping point for an electrical conductor to be clamped.
  • the clamping point merges into a spring arc that extends into a contact leg.
  • a section protrudes from the contact leg and is supported on a part of the conductor rail.
  • U.S. 2012/052736 A1 discloses an electrical connector having an insulating housing, the insulating housing having a front housing portion and a rear housing portion which are combined together during assembly and which each have partial walls to define terminal receiving chambers and wherein a movable wall is provided which extends from the Partial wall of the rear housing section extends to slide and connect to the partial wall of the front housing section when both housing sections are combined together.
  • the busbar piece has a contact wall which is arranged adjacent to a wall surface of the vertical section of the contact leg, which lies 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 perpendicular to the main direction of extension of the busbar section is aligned.
  • the main extension direction 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.
  • the clamping spring By resting the vertical section of the contact leg on the busbar piece, which dips into the recess, and by supporting this vertical section on the side opposite the clamping leg, the clamping spring is accommodated in a stable and stiffening manner on the busbar piece and supported there.
  • a self-supporting terminal insert is formed from the clamping spring and the busbar piece, in which the forces occurring 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.
  • Transverse is understood to mean that the vertical section is aligned to face the conductor rail piece. An exactly vertical arrangement at an angle of 90° is not required.
  • the contact leg is mounted on the busbar piece with the edge edges delimiting the recess, in that these edge edges encompass the busbar piece.
  • the term "reaching around” is understood to mean that the conductor rail borders on the edge edges of the recess on at least two sides.
  • the recess can be designed as a bay that is open on at least one side.
  • the edge edges of the recess border, for example, on the upper side and the adjoining two narrow side edges of the busbar piece or on the upper side, 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 that is opposite the transverse web and delimits the recess is then supported on the conductor rail piece.
  • the contact leg is held on the busbar piece on the upper side and the underside of the busbar piece.
  • the contact leg can be firmly clamped in the busbar piece or be slightly movable 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 crossbar. A finger plunging 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 positional fixation is provided at a distance from the recess. Tilting of the clamping spring is prevented by the finger of the contact wall protruding from the contact wall and dipping into the indentation of the contact leg.
  • the finger can grip the vertical section of the contact leg and rest with its end on the side of the vertical section that is opposite the contact surface of the vertical section on the contact wall.
  • the contact leg is thus fixed in position on the contact wall in that the contact leg rests against the wall surface of the contact wall facing away from the clamping leg and against the finger on the side of the contact leg facing the clamping leg.
  • a horizontal section of the contact leg extending in the main direction of extension of the busbar piece can be bent from the vertical section.
  • This horizontal section is arranged at a distance from the busbar section and merges into the spring arch.
  • a spring arm is thus provided at a distance from the busbar, which is mounted very stably by the vertical section.
  • This horizontal section makes it possible, for example in connection with an actuating lever when opening the clamping spring, to relieve the latter and to provide a soft spring for opening the clamping point.
  • a pressure acting on the horizontal section is reduced or eliminated by an actuating lever.
  • the actuating lever In the closed state, on the other hand, the actuating lever can be supported on the horizontal section, so that a significantly stiffer clamping spring is then provided.
  • the horizontal section of the contact insert formed from the busbar piece and the clamping spring can be exposed without a surrounding insulating material housing and have no contact with 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 terminal insert that 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 order to guide an electrical conductor to the clamping point formed by the clamping spring and the busbar piece.
  • the indefinite article "a” is not to be understood as a numeral.
  • several terminal inserts can also be present in the insulating material housing.
  • a busbar piece can also be part of a common busbar for several terminal inserts.
  • an actuating element is pivotally or displaceably mounted in the insulating housing.
  • the actuating element is then for acting on an actuating portion of the clamping leg when pivoting or Moving the actuating element formed.
  • the terminal point for connecting the electrical conductor can thus be opened with such an actuating element. It can also optionally be used to apply pressure to the horizontal section in the clamped state and thus to reinforce the spring clamping line.
  • the length of bus bar may have two forks which are spaced apart and oriented toward each other to form a fork receptacle.
  • the contact wall is then formed by a side edge of a connecting web which connects the two forks to one another.
  • 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 bridge between the forks required for the forks is also used as a contact wall. This contact wall is formed transversely to the forks, on which the vertical section of the contact leg rests. The fork plug contact socket can thus optimally interact with the vertical section of the contact leg in order to support the vertical section on the connecting web of the fork plug contact socket.
  • a lug can protrude from the connecting web, which abuts against the vertical section and faces the clamping leg.
  • the tab can thus not only secure the clamping spring on the busbar piece. It can also contribute to the fact that a ladder stop is formed not only by the vertical section but also at least partially by the lug.
  • the conductor rail piece can have a cross-sectional profile designed in the form of a wave with beads and elevations.
  • a profile design with beads and elevations stiffens the busbar piece and improves the dissipation of force from the contact leg to the busbar piece.
  • the wavy cross-sectional profile can be realized very easily in the forming process for forming the busbar piece.
  • a horizontal section of the contact leg which extends in the main extension direction of the busbar piece and is arranged at a distance from the busbar piece and merges into the spring bow, can be bent from the vertical section of the contact leg.
  • a holding section which extends towards the busbar piece and is mounted on the busbar piece can protrude from this horizontal section.
  • a further mounting of the horizontal section on the busbar piece is provided on the one hand on the vertical section of the contact leg and on the other hand adjacent to the spring bow with the holding section, through which the forces occurring on the contact insert are often structurally simple and well absorbed in a compact way.
  • a self-supporting, stable contact insert with a relatively stiff spring characteristic is realized with the additional holding section.
  • the contact wall which supports the vertical section, can be formed by a peripheral edge of the busbar piece facing the vertical section. It is conceivable that the contact wall is formed by an edge of a connecting web facing the vertical section, which connects the fork tines of the conductor rail section to one another, and/or by an edge of a fork tine which lies at the end of the fork tine opposite the clamping end of the fork tine.
  • a peripheral edge i.e. the narrow side of a front side of a part of the busbar section, is thus used as a contact wall.
  • the vertical section can have at least one side bar that dips into an associated lateral recess of the busbar piece. In this way, the vertical section is not only supported on the installation wall, but also fixed in position on the busbar piece.
  • the contact limb can have a contact limb which adjoins the vertical section and is bent over by the vertical section and which is on the side of the clamping section of the conductor rail piece which faces away from the clamping limb abuts the clamping section and is spaced apart from the clamping section in a test area.
  • This contact section which is bent from the vertical section and engages under the clamping section of the busbar piece, provides an additional surface mounting of the clamping spring on the busbar piece.
  • this contact leg forms, together with the clamping section of the busbar piece, a spring-elastic test connection for a test pin, which can be inserted in the test area between the clamping section and the contact leg. In this way, the voltage potential or signals present at the conductor terminal can be measured in a simple and reliable manner below the conductor terminal contact.
  • FIG 1 shows a perspective view of a terminal 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 terminal without an insulating material housing be used.
  • a conductor connection terminal is formed by such a terminal insert 1, which is built into an insulating material housing.
  • the conductor rail piece 2 is formed in one piece from sheet metal and has a fork plug contact socket 5 formed from two opposing fork prongs 4a, 4b on its side facing away from the clamping spring 3.
  • the fork prongs 4a, 4b are aligned pointing towards one another and each have a protrusion 6a, 6b at their freely movable end, between which a contact pin can be plug-connected.
  • a trough 7 can be introduced on the opposite sides of the protrusion 6a, 6b in order to guide the contact pin to be clamped.
  • the two opposing forks 4a, 4b are connected to one another by a connecting web 8.
  • This connecting web 8 protrudes from the side edges of the forks 4a, 4b and is formed integrally with these forks 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 therefrom.
  • the contact leg 9 is followed by a spring bow 12 which merges into a clamping leg 13 .
  • the clamping leg 13 has a spring tongue 15 directed towards the clamping section 14 extending away from the lower fork tine 4a, the free end of which has a clamping edge for clamping an electrical conductor between the clamping tongue 15 and the clamping section 14 of the busbar piece 2 .
  • the clamping section 14 has a protrusion or clamping edge 16 which forms a defined and reduced contact 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 piece 2 .
  • this Actuating section 17 can thus be opened the terminal point for connecting an electrical conductor.
  • clamping section 14 of the busbar piece 2 has a run-in bevel 18 at a free end, with which an electrical conductor is guided to the clamping edge 16 .
  • the vertical section 10 of the contact leg 9 is aligned transversely to the clamping section 14 of the conductor rail piece 2 and the first fork 4a adjoining it.
  • the busbar piece dips into a recess 19 of the vertical section 10 .
  • This recess 19 is delimited by a transverse web 20 which rests on the underside of the conductor rail piece 2 which is opposite the connecting web 8 .
  • the edge of the vertical section 10 opposite the transverse web 20 and delimiting the recess 19 rests on the upper side of the busbar piece.
  • the recess 19 is designed as a bay that is open on one side, so that the clamping spring 3 can be pushed on transversely to the direction in which the conductor rail piece 2 extends.
  • a finger 21 is arranged on the second fork tine 4b at a distance from the recess 19 and dips into an indentation 22 on the vertical section 10 and encloses the vertical section 10 .
  • the vertical section 10 is supported on a contact wall provided by the side edge of the connecting web 8 .
  • the vertical section 10 of the contact leg 9 is supported by the wall section of the connecting web 8 on the side facing away from the clamping leg 13 and fixed in position by the finger 21 on the side facing the clamping leg 13 .
  • the vertical section 10 can rest against the end face or side edge of the fork tine 4b, which is located at the end adjacent to the protrusion 6b.
  • the clamping section 14 of the busbar piece 2 is opposite to the fork 4b, in the extension of which the clamping section 14 is provided, in the direction away from the clamping spring 3 angled or cranked or offset.
  • the offset is provided on the side of the vertical section 10 in the busbar piece 2 that faces the clamping leg 13 .
  • the transverse web 20 of the vertical section 10 arranged on the underside of the fork prong 4b is bent or bent out of the plane of the vertical section 10 in the direction of the offset or offset clamping section 14 .
  • the crossbar 20 is supported on the busbar section 2, so that spring forces caused by the deflection of the clamping spring 3 can be absorbed or compensated for via this support of the crossbar 20, in such a way that no elastic deformation or deflection of the clamping section 14 takes place when a clamping force acts on the clamping section 14 due to the spring force of the deflected clamping spring 3 .
  • FIG 2 shows a perspective view of the clamping spring 3, which is formed from a spring steel sheet.
  • This is an elastically resilient material, for example a sheet metal made of a chromium-containing alloy.
  • clamping leg 13 is followed by a spring bow 12 which connects the clamping leg 13 to the contact leg 9 .
  • the clamping leg 13 has a first section adjoining the spring arc 12 , which transitions into the clamping tongue 15 after a bend.
  • the end portion 23 of the clamping tongue 15 with the clamping edge 24 is somewhat widened.
  • an actuating tab 17 protrudes laterally from the edge edges 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 therefrom. Again, the horizontal section 11 may have bends 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 a peripheral edge 25 lying opposite the transverse web 20 .
  • This recess 19 is bay-like, i.e. it is open on one side and delimited by a side bar 26 which connects the transverse bar 20 to the part of the vertical section 10 which merges into the horizontal section 11 .
  • the transverse web 20 can have a lug 27 at a distance from this side ridge 26, through which a depression between the lug 27 and the side ridge 26 is formed.
  • This lug 27 can dip into a depression or opening in the conductor rail piece 2 in order to further fix the clamping spring 3 in position on the conductor rail piece 2 .
  • a lowered part of the busbar piece 2 dips into this recess and the busbar piece 2 otherwise also rests on the lug 27 .
  • the indentation 22 is provided on the vertical section 10 at a distance from the recess 19 adjacent to the horizontal section 11 .
  • This indentation 22 is adapted to accommodate the finger 21 of the busbar piece 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 cutting 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 are directed towards one another, are connected to form a fork plug contact socket 5 by the connecting web 8 formed integrally therewith.
  • 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 section 2 with the first fork 4a and the adjoining clamping section 14 dips into the recess 19 of the vertical section 10 .
  • the transverse web 20 rests on the underside of the busbar piece 2 .
  • This bottom is the top of the busbar piece 2 with the clamping portion 14 opposite, which has the clamping edge 16 for clamping the electrical conductor and on which the clamping leg 13 is aligned. It is clear that the clamping leg 13 rests with its clamping tongue 15 in the idle state without a conductor being clamped on this upper side of the busbar piece 2 in the clamping section 14 .
  • the finger 21 protruding from the second fork tongue 14 is guided through the vertical section 10 and encloses the vertical section 10 with its free end.
  • the vertical section 10 thus rests against the finger 21 on the side opposite the contact wall. In this way, the vertical section 10 is held on the contact wall 28 and rests on the first fork tine 4a and the adjoining part of the clamping section 14 of the conductor rail piece 2.
  • figure 4 shows a cross section through the clamping insert 1 in section AA. It is clear here that the finger 21 extends through the indentation 22 in the vertical section 10 .
  • busbar section 2 in the area of the first fork 4a dips into the recess 19 of the vertical section 10 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 the conductor rail section 2 engages.
  • FIG 4 The view in figure 4 is shown seen from the fork connector socket 5 in the direction of the spring arc 12, which is indicated by the section line AA in figure 3 is recognizable.
  • figure 5 shows a rear view of the vertical section 10 of the clamping spring 3 figure 2 . It becomes even clearer here that the indentation 19 of the vertical section 10 allows the busbar piece 2 to dip in, so that the contact leg 9 with its upper edge delimiting the recess 19 25 can come to rest on the busbar piece 2 and thereby the recess 19 delimiting transverse web 20 the busbar piece 2 engages.
  • clamping spring 3 is intended to be pushed or mounted laterally onto the busbar piece 2 .
  • figure 6 shows a side view of a conductor terminal 29, which is formed from a previously described terminal insert 3, which is installed in 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 past the clamping spring 3 at the side.
  • the bearing section 33 has an actuating contour 34 which is designed to act on the laterally projecting 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 in an electrically conductive manner with its stripped end between the clamping tongue 15 of the clamping leg and the clamping section 14 of the busbar piece 2 . It is clear that when the operating lever 31 is folded down, it rests on the horizontal section 11 in order to stiffen the spring characteristic of the clamping spring 3 .
  • Latching contours e.g. in the form of latching openings 37 and latching pins, are provided on the side wall of the insulating material housing 30, 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 guiding, latching 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 tines 4a, 4b.
  • figure 7 shows a top view of a two-pole conductor connection terminal 29.
  • two insulating material housings 30 with terminal 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.
  • a pin 38 is only present on one conductor connection terminal of the two-pole conductor connection terminal 29 . This allows coding to be achieved.
  • FIG 8 shows a cross-sectional view of a modification of the contact insert 1.
  • a recess 19 is made in the vertical section 10 and extends through an upper edge 25 and protrudes from this edge 25
  • Side bars 26a, 26b is limited.
  • the busbar section 2 is accommodated in this recess 19 in the region of the first fork 4a in the transition to the holding section 14 by dipping into the recess 19 from below in the direction of the upper edge 25 .
  • These two side webs 26a, 26b lying opposite one another then border on the side edges of the busbar piece 2 or engage in recesses arranged laterally on the busbar piece 2. It is clear that this version of the clamping spring 3 is intended for mounting from above onto the busbar piece 2.
  • the conductor rail piece 2 is formed in a wave-like manner by beads 39 and elevations 40 in the area that dips into the recess 19 . This reduces the risk of the busbar piece 2 being deformed by the vertical section 10 being supported on the busbar piece 2 .
  • the weakened by the lateral recesses cross section of the busbar piece 2 is reinforced by wavy beads 39 and elevations 40 to absorb the forces introduced by the clamping spring 3 can.
  • figure 9 shows a perspective exploded view of a further embodiment of the conductor terminal 1 formed from the clamping spring 3 and the busbar piece 2.
  • the busbar piece 2 and the clamping spring 3 For the basic structure of the busbar piece 2 and the clamping spring 3, reference can essentially be made to the previous statements.
  • 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 into the vertical section 10 with a side bar 45 .
  • this transition area next to the side web 45 there is the recess 19 with its edge edges surrounding the conductor rail piece 2 in the installed state.
  • the free end of the contact section 44 bent over by the vertical section is again bent obliquely away from the clamping leg 13 .
  • a trough-like depression 46 is provided on the side of the inlet bevel 18 of the clamping section 14 that faces away from the clamping leg 13 .
  • the inlet bevel 18 is also narrower in the front end area than the adjoining area of the clamping section 14. In this case, tongue-like sections 47 are present laterally next to the inlet bevel.
  • FIG 10 omits a rear perspective view of the conductor terminal 1 figure 9 recognize.
  • the clamping section 14 terminates at the free end with a run-in bevel 18 in the central region.
  • the tongue-like sections 47 which are shorter in length than the run-in slope 18 and extend at a somewhat different angle than the run-in slope 18 .
  • the tops of the tongue-like sections 47 are also, unlike the inlet bevel 18, arched.
  • the lateral recess 43 is positioned in such a way that it is in front of the tab 42 as seen from the direction of the forks 4a, 4b.
  • the vertical section 10 pushed laterally into the busbar piece 2 thus lies with its side facing the clamping leg 13 on the lug 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 tine 4b and by the lateral recess 43 on the Busbar piece 2 on.
  • FIG 11 shows a perspective view of the conductor terminal 1 according to FIG. 9 from the opposite side.
  • a trough-like recess 46 is introduced on the underside of the inlet slope 18 .
  • clamping spring 3 can be pushed laterally onto the busbar piece 2 .
  • the side bar 45 is arranged on the side opposite the connecting bar 8 .
  • the vertical section 10 is pushed into an intermediate space between the tab 42 and the contact wall 28 formed by the edge.
  • FIG 12 shows the conductor terminal 1 in the now assembled state. It is clear that the side bar 45 now dips into the lateral recess 43 of the clamping section 14 .
  • the vertical section 10 rests against the tab 42 .
  • the tab 42 has such a surface that it essentially covers the vertical section 10 and forms a conductor stop for an electrical conductor inserted in the conductor insertion direction L.
  • the contact section 44 of the contact leg 9 which is bent away from the vertical section 10 rests against the clamping section 14 on the side of the clamping section 14 which is opposite the clamping leg 13 .
  • the contact section 44 extends up to the run-in slope 18 so that there is a free space between the trough-shaped recess 46 and the free end of the contact section 44 for receiving a test pin.
  • the contact section 44 is thus spaced apart from the clamping section 14 there.
  • a space is provided laterally next to the insertion section 18 between the shortened fingers 47 and the contact section 44 spaced obliquely therefrom, which can also be used as a test area for receiving a test pin in order to measure the voltage potential present at the conductor terminal 1 or signals present there.
  • test opening is then present in an insulating housing, not shown, below the conductor entry opening.
  • figure 13 omits a rear perspective view of the conductor terminal 1 figure 12 recognize.
  • the vertical section 10 dips into the lateral recess 43 of the conductor rail piece 2 with its side web 45 .
  • the vertical section 10 between the contact wall 28 rests against the edge of the upper fork tine 4b facing the clamping leg 15 on one side and the lug 42 on the opposite side and rests in the lower area 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)

Description

Die Erfindung betrifft eine Leiteranschlussklemme mit einem Stromschienenstück und einer Klemmfeder, die einen zum Stromschienenstück hin ausgerichteten Klemmschenkel zur Bildung einer Klemmstelle zum Anklemmen eines elektrischen Leiters zwischen der Klemmstelle und dem Stromschienenstück, einen sich an den Klemmschenkel anschließenden Federbogen und einen Anlageschenkel hat, der sich mit einem Vertikalabschnitt quer zum Stromschienenstück erstreckt. Der Vertikalabschnitt des Anlageschenkels hat eine Ausnehmung mit das Stromschienenstück umgreifenden Randkanten.The invention relates to a conductor connection terminal with a busbar piece and a clamping spring, which has a clamping leg aligned with 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 a vertical section extends transversely to the busbar piece. The vertical section of the contact leg has a recess with edge edges that engage around the busbar piece.

DE 10 2010 025 930 A1 zeigt eine solche Anschlussklemme mit einer Klemmfeder und einem Stromschienenstück. Der aus Klemmfeder und Stromschienenstück gebildete Kontakteinsatz ist in ein Isolierstoffgehäuse eingebaut. Die Klemmfeder ist als offene Schlaufe ausgebildet und weist einen Anlageschenkel und einen Klemmschenkel auf. Der Anlageschenkel liegt längs an dem Strombalken an. Dabei ist der Strombalken durch eine Ausnehmung des Klemmschenkels hindurchgeführt. DE 10 2010 025 930 A1 shows such a terminal with a clamping spring and a busbar piece. The contact insert, which is made up of a clamping spring and a busbar piece, is built into an insulating housing. The clamping spring is designed as an open loop and has a contact leg and a clamping leg. The contact leg lies lengthwise on the current bar. In this case, the current bar is guided through a recess in the clamping leg.

DE 10 2009 004 513 A1 offenbart eine Leiteranschlussklemme mit einer Klemmfeder und einem U-förmig gebogenen Aufnahmeelement. Der sich an den Federbogen anschließende Abschnitt bildet einen an dem Aufnahmeelement anliegenden Lagerschenkel. Von diesem Lagerschenkel ist ein Begrenzungsschenkel zu einer Lasche des Aufnahmeelementes hin abgebogen, die zusammen mit dem Klemmschenkel eine Klemmstelle zum Anklemmen eines elektrischen Leiters bildet. Der Lagerschenkel hat ein Nasenelement, das zum Fixieren des Begrenzungsschenkels in einer Öffnung des die Klemmfeder umgebenden Aufnahmeelementes positionierbar ist. Der Begrenzungsschenkel liegt dabei mit seinem Kantenbereich an dem Aufnahmeelement an. DE 10 2009 004 513 A1 discloses a conductor terminal with a clamping spring and a U-shaped receiving element. The section adjoining the spring bow forms a bearing leg resting against the receiving element. A delimiting leg is bent from this bearing leg towards a lug of the receiving element which, together with the clamping limb, 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 area of the delimiting leg rests against the receiving element.

JP 2011 119161 A offenbart eine Leiteranschlussklemme mit einer Stromschiene und einer Klemmfeder, wobei die Klemmfeder einen Klemmschenkel hat, der mit der Stromschiene eine Klemmstelle für einen anzuklemmenden elektrischen Leiter bildet. Der Klemmstelle geht in einen Federbogen über, der sich in einen Anlageschenkel erstreckt. Von dem Anlageschenkel ragt ein Abschnitt ab, der an einem Teil der Stromschiene aufgelagert ist. JP 2011 119161 A discloses a conductor connection terminal with a busbar and a clamping spring, the clamping spring having a clamping leg which, together with the busbar, forms a clamping point for an electrical conductor to be clamped. The clamping point merges into a spring arc that extends into a contact leg. A section protrudes from the contact leg and is supported on a part of the conductor rail.

US 2012/052736 A1 offenbart einen elektrischen Verbinder mit einem Isolierstoffgehäuse, wobei das Isolierstoffgehäuse einen vorderen Gehäuseabschnitt und ein hinteren Gehäuseabschnitt hat, die während der Montage miteinander kombiniert werden und die jeweils Teilwände aufweisen, um Klemmenaufnahmekammern zu definieren, und wobei eine bewegliche Wand vorgesehen ist, die sich von der Teilwand des hinteren Gehäuseabschnittes erstreckt, um die Teilwand des vorderen Gehäuseabschnittes zu verschieben und mit ihr zu verbinden, wenn beide Gehäuseabschnitte miteinander kombiniert werden. U.S. 2012/052736 A1 discloses an electrical connector having an insulating housing, the insulating housing having a front housing portion and a rear housing portion which are combined together during assembly and which each have partial walls to define terminal receiving chambers and wherein a movable wall is provided which extends from the Partial wall of the rear housing section extends to slide and connect to the partial wall of the front housing section when both housing sections are combined together.

Ausgehend hiervon ist es Aufgabe der vorliegenden Erfindung eine verbesserte Anschlussklemme zu schaffen, bei der die Klemmfeder auf konstruktiv einfache Weise selbsttragend an dem Stromschienenstück angebunden ist und die Klemmfeder relativ stabil und steif ist.Proceeding from this, it is the object of the present invention 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 rigid.

Die Aufgabe wird durch die Leiteranschlussklemme mit den Merkmalen des Anspruchs 1 gelöst. Vorteilhafte Ausführungsformen sind in den Unteransprüchen beschrieben.The object is achieved by the conductor connection terminal with the features of claim 1. Advantageous embodiments are described in the dependent claims.

Für eine Leiteranschlussklemme der eingangs genannten Art wird vorgeschlagen, dass das Stromschienenstück eine Anlagewand hat, die angrenzend an einer Wandfläche des Vertikalabschnitts des Anlageschenkels, die an der dem Klemmschenkel abgewandten Seite des Vertikalabschnittes liegt, angeordnet ist. Die Anlagewand ist zum Abstützen des Vertikalabschnitts des Anlageschenkels mit der dem Klemmschenkel abgewandten Wandfläche ausgebildet ist. Der Vertikalabschnitt des Anlageschenkels bildet dabei eine Ebene, welche senkrecht zur Haupterstreckungsrichtung des Stromschienenstücks ausgerichtet ist. Die Haupterstreckungsrichtung des Stromschienenstücks wird dabei durch die Richtung zwischen einem Klemmabschnitt und dem freien Ende einer Gabelkontaktbuchse, das dem Klemmabschnitt gegenüberliegt, bestimmt.For a conductor terminal of the type mentioned, it is proposed that the busbar piece has a contact wall which is arranged adjacent to a wall surface of the vertical section of the contact leg, which lies 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 perpendicular to the main direction of extension of the busbar section is aligned. The main extension direction 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.

Durch die Auflagerung des Vertikalabschnitts des Anlageschenkels auf dem Stromschienenstück, das in die Ausnehmung eintaucht, und mit dem Abstützen dieses Vertikalabschnitts auf der dem Klemmschenkel gegenüberliegenden Seite wird die Klemmfeder stabil und versteifend an das Stromschienenstück aufgenommen und dort abgestützt. Dabei wird ein selbsttragender Klemmeinsatz aus der Klemmfeder und dem Stromschienenstück gebildet, bei der die beim Einklemmen eines elektrischen Leiters oder bei dem Öffnen der Klemmstelle auftretenden Kräfte im Wesentlichen in einem geschlossenen System zwischen Klemmschenkel und Stromschienenstück aufgefangen werden.By resting the vertical section of the contact leg on the busbar piece, which dips into the recess, and by supporting this vertical section on the side opposite the clamping leg, the clamping spring is accommodated in a stable and stiffening manner on the busbar piece and supported there. A self-supporting terminal insert is formed from the clamping spring and the busbar piece, in which the forces occurring 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.

Unter "quer" wird verstanden, dass der Vertikalabschnitt auf das Stromschienenstück zuweisend ausgerichtet ist. Eine exakt lotrechte Anordnung in einem Winkel von 90° ist dabei nicht erforderlich.“Transverse” is understood to mean that the vertical section is aligned to face the conductor rail piece. An exactly vertical arrangement at an angle of 90° is not required.

Mithilfe der Auflagerung des Vertikalabschnitts an der dem Klemmschenkel abgewandten Wandfläche der Anlagewand wird ein Verkippen der Klemmfeder verändert, wenn der Klemmschenkel von dem Stromschienenstück weg verlagert ist.With the support of the vertical section on the wall surface of the contact wall facing away from the clamping limb, tilting of the clamping spring is changed when the clamping limb is shifted away from the busbar piece.

Der Anlageschenkel ist dabei mit den die Ausnehmung begrenzenden Randkanten an dem Stromschienenstück gelagert, indem diese Randkanten das Stromschienenstück umgreifen. Unter dem Begriff "Umgreifen" wird verstanden, dass die Stromschiene an mindestens zwei Seiten an Randkanten der Ausnehmung angrenzt. Die Ausnehmung kann dabei als eine von mindestens einer Seite offenen Bucht ausgebildet sein. Die Randkanten der Ausnehmung grenzen z.B. an der Oberseite und den sich daran anschließenden beiden Schmalseitenkanten des Stromschienenstücks oder an der Oberseite, einer Schmalseitenkante und der Unterseite des Stromschienenstücks an.The contact leg is mounted on the busbar piece with the edge edges delimiting the recess, in that these edge edges encompass the busbar piece. The term "reaching around" is understood to mean that the conductor rail borders on the edge edges of the recess on at least two sides. The recess can be designed as a bay that is open on at least one side. The edge edges of the recess border, for example, on the upper side and the adjoining two narrow side edges of the busbar piece or on the upper side, a narrow side edge and the underside of the busbar piece.

An der Ausnehmung des Vertikalabschnitts des Anlageschenkels kann ein Quersteg ausgebildet sein, der das Stromschienenstück untergreift. Das Stromschienenstück ist dann in dieser Ausnehmung eingesetzt. Die dem Quersteg gegenüberliegende Randkante des Vertikalabschnitts, welche die Ausnehmung begrenzt, ist dann an dem Stromschienenstück aufgelagert. Mithilfe dieses Querstegs und der dem Quersteg gegenüberliegenden Randkante, die beide die Ausnehmung begrenzen, wird der Anlageschenkel an der Oberseite und der Unterseite des Stromschienenstücks an dem Stromschienenstück gehalten. Der Anlageschenkel kann dabei fest in das Stromschienenstück eingeklemmt sein oder mit einer begrenzten Toleranz leicht beweglich sein. Jedenfalls ist der Anlageschenkel auf diese Weise an dem Stromschienenstück lagefixiert.At the recess of the vertical section of the contact leg, 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 that is opposite the transverse web and delimits the recess is then supported on the conductor rail piece. With the help of this transverse web and the edge opposite the transverse web, both of which delimit the recess, the contact leg is held on the busbar piece on the upper side and the underside of the busbar piece. The contact leg can be firmly clamped in the busbar piece or be slightly movable with a limited tolerance. In any case, the contact leg is fixed in position on the busbar piece in this way.

Der Vertikalabschnitt des Anlageschenkels kann im Abstand von dem Quersteg eine Einbuchtung haben. Von der Anlagewand ragt dann ein in die Einbuchtung eintauchender Finger ab. Somit ist beabstandet von der Ausnehmung des Anlageschenkels, an der die Klemmfeder an dem Stromschienenstück aufgelagert ist, eine weitere Lagefixierung beabstandet von der Ausnehmung vorgesehen. Durch den von der Anlagewand abragenden und in die Einbuchtung des Anlageschenkels eintauchenden Finger der Anlagewand wird ein Verkippen der Klemmfeder verhindert.The vertical section of the contact leg can have an indentation at a distance from the crossbar. A finger plunging 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 positional fixation is provided at a distance from the recess. Tilting of the clamping spring is prevented by the finger of the contact wall protruding from the contact wall and dipping into the indentation of the contact leg.

Der Finger kann den Vertikalabschnitt des Anlageschenkels umgreifen und mit seinem Ende an der Seite des Vertikalabschnitts anliegen, der der Anlagefläche des Vertikalabschnitts an der Anlagewand gegenüberliegt. Damit wird der Anlageschenkel an der Anlagewand lagefixiert, indem der Anlageschenkel einerseits an der Wandfläche der Anlagewand anliegt, die dem Klemmschenkel abgewandt ist, und andererseits an dem Finger an der dem Klemmschenkel zugewandten Seite des Anlageschenkels.The finger can grip the vertical section of the contact leg and rest with its end on the side of the vertical section that is opposite the contact surface of the vertical section on the contact wall. The contact leg is thus fixed in position on the contact wall in that the contact leg rests against the wall surface of the contact wall facing away from the clamping leg and against the finger on the side of the contact leg facing the clamping leg.

Von dem Vertikalabschnitt kann ein sich in Haupterstreckungsrichtung des Stromschienenstücks erstreckender Horizontalabschnitt des Anlageschenkels abgebogen sein. Dieser Horizontalabschnitt ist im Abstand zum Stromschienenstück angeordnet und geht in den Federbogen über. Damit wird im Abstand zur Stromschiene ein Federarm bereitgestellt, der durch den Vertikalabschnitt sehr stabil gelagert ist. Dieser Horizontalabschnitt ermöglicht es z.B. in Verbindung mit einem Betätigungshebel beim Öffnen der Klemmfeder diese zu entlasten und eine weiche Feder für das Öffnen der Klemmstelle bereitzustellen. Hierzu wird ein auf den Horizontalabschnitt einwirkender Druck durch einen Betätigungshebel reduziert oder aufgehoben. Im geschlossenen Zustand hingegen kann der Betätigungshebel auf dem Horizontalabschnitt aufgelagert sein, so dass dann eine wesentlich steifere Klemmfeder bereitgestellt wird.A horizontal section of the contact leg extending in the main direction of extension of the busbar piece can be bent from the vertical section. This horizontal section is arranged at a distance from the busbar section and merges into the spring arch. A spring arm is thus provided at a distance from the busbar, which is mounted very stably by the vertical section. This horizontal section makes it possible, for example in connection with an actuating lever when opening the clamping spring, to relieve the latter and to provide a soft spring for opening the clamping point. For this purpose, a pressure acting on the horizontal section is reduced or eliminated by an actuating lever. In the closed state, on the other hand, the actuating lever can be supported on the horizontal section, so that a significantly stiffer clamping spring is then provided.

Der Horizontalabschnitt des aus Stromschienenstück und Klemmfeder gebildeten Kontakteinsatzes kann dabei ohne umgebendes Isolierstoffgehäuse frei liegen und keine Auflage an dem Stromschienenstück haben. Die einzige Auflagerung für den Horizontalabschnitt wird dann ggf. durch das Isolierstoffgehäuse oder ein hieran oder hierin angeordnetes Betätigungselement bereitgestellt.The horizontal section of the contact insert formed from the busbar piece and the clamping spring can be exposed without a surrounding insulating material housing and have no contact with 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.

Die Leiteranschlussklemme kann ein Isolierstoffgehäuse mit einem Klemmeinsatz haben, der aus einem solchen Stromschienenstück und einer Klemmfeder gebildet ist. Das Isolierstoffgehäuse kann dabei in an sich bekannter Weise eine Leitereinführungsöffnung (Leitereinführungskanal) haben, um einen elektrischen Leiter zu der durch die Klemmfeder und das Stromschienenstück gebildeten Klemmstelle zu führen.The conductor connection terminal can have an insulating material housing with a terminal insert that is formed from such a busbar piece and a clamping spring. In a manner known per se, the insulating material housing can have a conductor entry opening (conductor entry channel) in order to guide an electrical conductor to the clamping point formed by the clamping spring and the busbar piece.

Es ist anzumerken, dass im Sinne der vorliegenden Erfindung unter dem unbestimmten Artikel "ein" kein Zahlwort zu verstehen ist. Insofern können auch mehrere Klemmeinsätze in dem Isolierstoffgehäuse vorhanden sein. Ein Stromschienenstück kann auch ein Teil einer gemeinsamen Stromschiene für mehrere Klemmeinsätze sein.It should be noted that for the purposes of the present invention, the indefinite article "a" is not to be understood as a numeral. In this respect, several terminal inserts can also be present in the insulating material housing. A busbar piece can also be part of a common busbar for several terminal inserts.

Denkbar ist, dass ein Betätigungselement schwenkbar oder verschiebbar in dem Isolierstoffgehäuse gelagert ist. Das Betätigungselement ist dann zur Beaufschlagung eines Betätigungsabschnitts des Klemmschenkels beim Verschwenken oder Verschieben des Betätigungselementes ausgebildet. Mit einem solchen Betätigungselement kann somit die Klemmstelle zum Anklemmen des elektrischen Leiters geöffnet werden. Es kann zusätzlich optional auch genutzt werden, um den Horizontalabschnitt im angeklemmten Zustand zu beaufschlagen und damit die Federklemmlinie zu versteifen.It is conceivable that an actuating element is pivotally or displaceably mounted in the insulating housing. The actuating element is then for acting on an actuating portion of the clamping leg when pivoting or Moving the actuating element formed. The terminal point for connecting the electrical conductor can thus be opened with such an actuating element. It can also optionally be used to apply pressure to the horizontal section in the clamped state and thus to reinforce the spring clamping line.

Das Stromschienenstück kann zwei Gabelzinken haben, die im Abstand voneinander angeordnet und zur Bildung einer Gabelsteckkontaktbuchse aufeinander zu weisend ausgerichtet sind. Die Anlagewand ist dann durch eine Seitenkante eines Verbindungssteges gebildet, welche die beiden Gabelzinken miteinander verbindet. Damit hat die Leiteranschlussklemme nicht nur einen Klemmkontakt zum Anklemmen eines elektrischen Leiters, sondern auch einen Steckkontakt zum Anklemmen eines Gegenkontaktes an der Gabelsteckkontaktbuchse. Der für die Gabelzinken benötigte Verbindungssteg zwischen den Gabelzinken wird dabei gleichzeitig als Anlagewand genutzt. Diese Anlagewand ist quer zu den Gabelzinken ausgebildet, auf der der Vertikalabschnitt des Anlageschenkels ruht. Die Gabelsteckkontaktbuchse kann somit optimal mit dem Vertikalabschnitt des Anlageschenkels zusammenwirken, um den Vertikalabschnitt an dem Verbindungssteg der Gabelsteckkontaktbuchse zu lagern.The length of bus bar may have two forks which are spaced apart and oriented toward each other to form a fork receptacle. The contact wall is then formed by a side edge of a connecting web which connects the two forks to one another. 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 bridge between the forks required for the forks is also used as a contact wall. This contact wall is formed transversely to the forks, on which the vertical section of the contact leg rests. The fork plug contact socket can thus optimally interact with the vertical section of the contact leg in order to support the vertical section on the connecting web of the fork plug contact socket.

Von dem Verbindungssteg kann eine Lasche abragen, die an dem Vertikalabschnitt anliegt und dem Klemmschenkel zugewandt ist. Damit kann die Lasche nicht nur die Klemmfeder an dem Stromschienenstück sichern. Sie kann zudem dazu beitragen, dass ein Leiteranschlag nicht nur durch den Vertikalabschnitt, sondern zumindest teilweise auch durch die Lasche mit gebildet wird.A lug can protrude from the connecting web, which abuts against the vertical section and faces the clamping leg. The tab can thus not only secure the clamping spring on the busbar piece. It can also contribute to the fact that a ladder stop is formed not only by the vertical section but also at least partially by the lug.

Das Stromschienenstück kann in seinem Bereich, an dem der Vertikalabschnitt des Anlageschenkels aufgelagert ist, ein wellenförmig mit Sicken und Erhebungen ausgeführtes Querschnittsprofil haben. Durch eine solche Profilgestaltung mit Sicken und Erhebungen wird das Stromschienenstück versteift und die Kraftableitung von dem Anlageschenkel auf das Stromschienenstück verbessert. Das wellenförmige Querschnittsprofil kann sehr einfach im Umformprozess zur Ausformung des Stromschienenstücks realisiert werden.In its area on which the vertical section of the contact leg rests, the conductor rail piece can have a cross-sectional profile designed in the form of a wave with beads and elevations. Such a profile design with beads and elevations stiffens the busbar piece and improves the dissipation of force from the contact leg to the busbar piece. The wavy cross-sectional profile can be realized very easily in the forming process for forming the busbar piece.

Von dem Vertikalabschnitt des Anlageschenkels kann ein sich in Haupterstreckungsrichtung des Stromschienenstücks erstreckender Horizontalabschnitt des Anlageschenkels abgebogen sein, der im Abstand zu dem Stromschienenstück angeordnet ist und in den Federbogen übergeht. Dabei kann von diesem Horizontalabschnitt ein sich zu dem Stromschienenstück hin erstreckender Halteabschnitt abragen, der an dem Stromschienenstück gelagert ist. Auf diese Weise wird einerseits am Vertikalabschnitt des Anlageschenkels und andererseits benachbart zum Federbogen mit dem Halteabschnitt eine weitere Lagerung des Horizontalabschnitts an dem Stromschienenstück bereitgestellt, durch den die an dem Kontakteinsatz auftretenden Kräfte oft konstruktiv einfach und auf kompakte Weise gut abgefangen werden. Mit dem weiteren Halteabschnitt wird ein selbsttragender stabiler Kontakteinsatz mit relativ steifer Federkennlinie realisiert.A horizontal section of the contact leg, which extends in the main extension direction of the busbar piece and is arranged at a distance from the busbar piece and merges into the spring bow, can be bent from the vertical section of the contact leg. In this case, a holding section which extends towards the busbar piece and is mounted on the busbar piece can protrude from this horizontal section. In this way, a further mounting of the horizontal section on the busbar piece is provided on the one hand on the vertical section of the contact leg and on the other hand adjacent to the spring bow with the holding section, through which the forces occurring on the contact insert are often structurally simple and well absorbed in a compact way. A self-supporting, stable contact insert with a relatively stiff spring characteristic is realized with the additional holding section.

Die Anlagewand, welche den Vertikalabschnitt abstützt, kann durch eine dem Vertikalabschnitt zugewandte Randkante des Stromschienenstücks gebildet sein. Dabei ist es denkbar, dass die Anlagewand durch eine dem Vertikalabschnitt zugewandte Randkante eines Verbindungssteges, der Gabelzinken des Stromschienenstücks miteinander verbindet, und/oder durch eine Randkante eines Gabelzinkens, die an dem dem Klemmende des Gabelzinkens gegenüberliegenden Ende des Gabelzinkens liegt, gebildet ist. Damit wird eine Randkante, d.h. die Schmalseite einer Stirnseite eines Teils des Stromschienenstücks als Anlagewand genutzt.The contact wall, which supports the vertical section, can be formed by a peripheral edge of the busbar piece facing the vertical section. It is conceivable that the contact wall is formed by an edge of a connecting web facing the vertical section, which connects the fork tines of the conductor rail section to one another, and/or by an edge of a fork tine which lies at the end of the fork tine opposite the clamping end of the fork tine. A peripheral edge, i.e. the narrow side of a front side of a part of the busbar section, is thus used as a contact wall.

Der Vertikalabschnitt kann mindestens einen Seitensteg aufweisen, der in eine zugeordnete seitliche Ausnehmung des Stromschienenstücks eintaucht. Damit wird der Vertikalabschnitt nicht nur an der Anlagewand abgestützt, sondern auch an dem Stromschienenstück lagefixiert.The vertical section can have at least one side bar that dips into an associated lateral recess of the busbar piece. In this way, the vertical section is not only supported on the installation wall, but also fixed in position on the busbar piece.

Der Anlageschenkel kann einen sich an den Vertikalabschnitt anschließenden und von dem Vertikalabschnitt umgebogenen Anlageschenkel haben, der an der dem Klemmschenkel abgewandten Seite des Klemmabschnittes des Stromschienenstücks an dem Klemmabschnitt anliegt und in einem Prüfbereich von dem Klemmabschnitt beabstandet ist. Durch diesen vom Vertikalabschnitt abgebogenen und den Klemmabschnitt des Stromschienenstücks untergreifenden Anlageabschnitt wird eine zusätzliche flächige Lagerung der Klemmfeder an dem Stromschienenstück bereitgestellt. Dieser Anlageschenkel bildet zudem mit dem Klemmabschnitt des Stromschienenstücks einen federelastischen Prüfanschluss für einen Prüfstift, der in dem Prüfbereich zwischen Klemmabschnitt und Anlageschenkel eingeführt werden kann. Damit kann auf einfache und zuverlässige Weise unterhalb des Leiterklemmkontaktes das an der Leiteranschlussklemme anliegende Spannungspotential oder Signale gemessen werden.The contact limb can have a contact limb which adjoins the vertical section and is bent over by the vertical section and which is on the side of the clamping section of the conductor rail piece which faces away from the clamping limb abuts the clamping section and is spaced apart from the clamping section in a test area. This contact section, which is bent from the vertical section and engages under the clamping section of the busbar piece, provides an additional surface mounting of the clamping spring on the busbar piece. In addition, this contact leg forms, together with the clamping section of the busbar piece, a spring-elastic test connection for a test pin, which can be inserted in the test area between the clamping section and the contact leg. In this way, the voltage potential or signals present at the conductor terminal can be measured in a simple and reliable manner below the conductor terminal contact.

Die Erfindung wird anhand von Ausführungsbeispielen mit den beigefügten Zeichnungen näher erläutert. Es zeigen:

Figur 1 -
Perspektivische Ansicht eines aus dem Stromschienenstück und der Klemmfeder gebildeten Klemmeinsatzes;
Figur 2 -
Perspektivische Ansicht der Klemmfeder des Klemmeinsatzes aus Figur 1;
Figur 3 -
Seitenansicht des Klemmeinsatzes aus Figur 1 mit Schnittlinie A-A;
Figur 4 -
Querschnittsansicht durch den Klemmeinsatz aus Figur 3 im Schnitt A-A;
Figur 5 -
Rückansicht auf den Vertikalabschnitt des Anlageschenkels;
Figur 6 -
Seitenansicht einer Leiteranschlussklemme mit einem Kontakteinsatz aus Figur 1 und Betätigungshebel;
Figur 7 -
Draufsicht auf eine 2-polige Leiteranschlussklemme nach Figur 6;
Figur 8 -
Schnittansicht durch eine andere Ausführungsform der Auflagerung des Anlageschenkels auf dem Stromschienenstück mit wellenförmigem Profil des Stromschienenstücks;
Figur 9 -
perspektivische Explosionsansicht einer weiteren Ausführungsform einer Leiteranschlussklemme mit zusätzlicher Lasche am Stromschienenstück;
Figur 10 -
perspektivische Rückseitenansicht der Leiteranschlussklemme aus Figur 9;
Figur 11 -
perspektivische Explosionsansicht der Leiteranschlussklemme aus Figur 9 und 10 von der gegenüberliegenden Seite aus gesehen;
Figur 12 -
perspektivische Ansicht der Leiteranschlussklemme aus Figur 9 bis 11 im zusammengebauten Zustand;
Figur 13 -
perspektivische Rückseitenansicht der zusammengebauten Leiteranschlussklemme aus Figur 12.
The invention is explained in more detail using exemplary embodiments with the accompanying drawings. Show it:
Figure 1 -
Perspective view of a terminal insert formed from the busbar piece and the clamping spring;
Figure 2 -
Perspective view of the clamping spring of the clamping insert figure 1 ;
Figure 3 -
Side view of the clamp insert figure 1 with section line AA;
Figure 4 -
Cross-sectional view through the clamp insert figure 3 average AA;
Figure 5 -
Rear view of the vertical section of the contact leg;
Figure 6 -
Side view of a conductor terminal with a contact insert figure 1 and operating lever;
Figure 7 -
Top view of a 2-pole wire connection terminal figure 6 ;
Figure 8 -
Sectional view through another embodiment of the support of the contact leg on the busbar piece with a wavy profile of the busbar piece;
Figure 9 -
perspective exploded view of another embodiment of a conductor terminal with an additional tab on the busbar piece;
Figure 10 -
Perspective rear view of the conductor terminal figure 9 ;
Figure 11 -
perspective exploded view of the conductor terminal Figure 9 and 10 seen from the opposite side;
Figure 12 -
Perspective view of the conductor terminal Figure 9 to 11 in assembled condition;
Figure 13 -
rear perspective view of the assembled conductor terminal figure 12 .

Figur 1 lässt eine perspektivische Ansicht eines Klemmeinsatzes 1 erkennen, der aus einem Stromschienenstück 2 und einer Klemmfeder 3 gebildet ist. Dieser Klemmeinsatz 1 kann ohne Isolierstoffgehäuse direkt als Leiteranschlussklemme genutzt werden. In der Regel wird jedoch eine Leiteranschlussklemme durch einen solchen Klemmeinsatz 1 gebildet, der in ein Isolierstoffgehäuse eingebaut ist. figure 1 shows a perspective view of a terminal 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 terminal without an insulating material housing be used. As a rule, however, a conductor connection terminal is formed by such a terminal insert 1, which is built into an insulating material housing.

Deutlich wird, dass das Stromschienenstück 2 einstückig aus einem Metallblech gebildet ist und an seinem der Klemmfeder 3 abgewandten Seite eine aus zwei einander gegenüberliegenden Gabelzinken 4a, 4b gebildete Gabelsteckkontaktbuchse 5 aufweist. Die Gabelzinken 4a, 4b sind dabei aufeinander zu weisend ausgerichtet und haben an ihrem freibeweglichen Ende jeweils eine Vorwölbung 6a, 6b, zwischen denen ein Kontaktstift steckkontaktiert werden kann. An den einander gegenüberliegenden Seiten der Vorwölbung 6a, 6b kann eine Mulde 7 jeweils eingebracht sein, um den anzuklemmenden Kontaktstift zu führen.It is clear that the conductor rail piece 2 is formed in one piece from sheet metal and has a fork plug contact socket 5 formed from two opposing fork prongs 4a, 4b on its side facing away from the clamping spring 3. The fork prongs 4a, 4b are aligned pointing towards one another and each have a protrusion 6a, 6b at their freely movable end, between which a contact pin can be plug-connected. A trough 7 can be introduced on the opposite sides of the protrusion 6a, 6b in order to guide the contact pin to be clamped.

Die beiden einander gegenüberliegenden Gabelzinken 4a, 4b sind durch einen Verbindungssteg 8 miteinander verbunden. Dieser Verbindungssteg 8 ragt von den Seitenkanten der Gabelzinken 4a, 4b ab und ist integral mit diesen Gabelzinken 4a, 4b aus demselben Material geformt.The two opposing forks 4a, 4b are connected to one another by a connecting web 8. This connecting web 8 protrudes from the side edges of the forks 4a, 4b and is formed integrally with these forks 4a, 4b from the same material.

Die Klemmfeder 3 hat einen Anlageschenkel 9, der aus einem Vertikalabschnitt 10 und einem hiervon abgebogenen Horizontalabschnitt 11 gebildet ist. An den Anlageschenkel 9 schließt sich ein Federbogen 12 an, der in einen Klemmschenkel 13 übergeht. Der Klemmschenkel 13 hat eine zu dem vom unteren Gabelzinken 4a weg erstreckenden Klemmabschnitt 14 hin gerichtete Federzunge 15, deren freies Ende eine Klemmkante zum Anklemmen eines elektrischen Leiters zwischen der Klemmzunge 15 und dem Klemmabschnitt 14 des Stromschienenstücks 2 aufweist. Der Klemmabschnitt 14 hat eine Vorwölbung bzw. Klemmkante 16, die eine definierte und reduzierte Auflagefläche für den zwischen Klemmzunge 15 und Klemmkante 16 angeklemmten elektrischen Leiter bildet.The clamping spring 3 has a contact leg 9, which is formed from a vertical section 10 and a horizontal section 11 bent therefrom. The contact leg 9 is followed by a spring bow 12 which merges into a clamping leg 13 . The clamping leg 13 has a spring tongue 15 directed towards the clamping section 14 extending away from the lower fork tine 4a, the free end of which has a clamping edge for clamping an electrical conductor between the clamping tongue 15 and the clamping section 14 of the busbar piece 2 . The clamping section 14 has a protrusion or clamping edge 16 which forms a defined and reduced contact surface for the electrical conductor clamped between the clamping tongue 15 and the clamping edge 16 .

Deutlich wird, dass der Klemmschenkel 13 an mindestens einer Seite eine Betätigungslasche 17 hat, die seitlich zumindest zur Klemmzunge 15 hin seitlich vorsteht. Sie dient als Auflage für ein Betätigungselement, um den Klemmschenkel 13 in Richtung Horizontalabschnitt 11 des Anlageschenkels 9 und von dem Klemmabschnitt 14 des Stromschienenstücks 2 weg zu verlagern. Mithilfe dieses Betätigungsabschnittes 17 kann somit die Klemmstelle zum Anklemmen eines elektrischen Leiters geöffnet werden.It is clear that 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 piece 2 . using this Actuating section 17 can thus be opened the terminal point for connecting an electrical conductor.

Deutlich wird weiterhin, dass der Klemmabschnitt 14 des Stromschienenstücks 2 an einem freien Ende eine Einlaufschräge 18 hat, mit der ein elektrischer Leiter zur Klemmkante 16 hin geführt wird.It is also clear that the clamping section 14 of the busbar piece 2 has a run-in bevel 18 at a free end, with which an electrical conductor is guided to the clamping edge 16 .

Der Vertikalabschnitt 10 des Anlageschenkels 9 ist quer zum Klemmabschnitt 14 des Stromschienenstücks 2 und des sich daran anschließenden ersten Gabelzinkens 4a ausgerichtet. Dabei taucht das Stromschienenstück in eine Ausnehmung 19 des Vertikalabschnitts 10 ein. Diese Ausnehmung 19 ist durch einen Quersteg 20 begrenzt, der an der Unterseite des Stromschienenstücks 2 aufliegt, die dem Verbindungssteg 8 gegenüberliegt. Die dem Quersteg 20 gegenüberliegende Randkante des Vertikalabschnitts 10, welche die Ausnehmung 19 begrenzt, liegt auf der Oberseite des Stromschienenstücks auf.The vertical section 10 of the contact leg 9 is aligned transversely to the clamping section 14 of the conductor rail piece 2 and the first fork 4a adjoining it. The busbar piece dips into a recess 19 of the vertical section 10 . This recess 19 is delimited by a transverse web 20 which rests on the underside of the conductor rail piece 2 which is opposite the connecting web 8 . The edge of the vertical section 10 opposite the transverse web 20 and delimiting the recess 19 rests on the upper side of the busbar piece.

Die Ausnehmung 19 ist als einseitig offene Bucht ausgebildet, so dass die Klemmfeder 3 quer zur Erstreckungsrichtung des Stromschienenstücks 2 aufgeschoben werden kann.The recess 19 is designed as a bay that is open on one side, so that the clamping spring 3 can be pushed on transversely to the direction in which the conductor rail piece 2 extends.

An dem zweiten Gabelzinken 4b ist im Abstand von der Ausnehmung 19 ein Finger 21 angeordnet, der in eine Einbuchtung 22 am Vertikalabschnitt 10 eintaucht und den Vertikalabschnitt 10 umgreift. Der Vertikalabschnitt 10 stützt sich an einer Anlagewand an, die durch die Seitenkante des Verbindungsstegs 8 bereitgestellt wird. Damit wird der Vertikalabschnitt 10 des Anlageschenkels 9 auf der Seite, die dem Klemmschenkel 13 abgewandt ist, von dem Wandabschnitt des Verbindungssteges 8 getragen und auf dem Klemmschenkel 13 zugewandten Seite durch den Finger 21 lagefixiert. Zudem kann der Vertikalabschnitt 10 an der Stirnseite oder Seitenkante des Gabelzinkens 4b, welche an dem der Vorwölbung 6b angrenzenden Ende befindlich ist, anliegen.A finger 21 is arranged on the second fork tine 4b at a distance from the recess 19 and dips into an indentation 22 on the vertical section 10 and encloses the vertical section 10 . The vertical section 10 is supported on a contact wall provided by the side edge of the connecting web 8 . Thus, the vertical section 10 of the contact leg 9 is supported by the wall section of the connecting web 8 on the side facing away from the clamping leg 13 and fixed in position by the finger 21 on the side facing the clamping leg 13 . In addition, the vertical section 10 can rest against the end face or side edge of the fork tine 4b, which is located at the end adjacent to the protrusion 6b.

Der Klemmabschnitt 14 des Stromschienenstücks 2 ist gegenüber dem Gabelzinken 4b, in dessen Verlängerung der Klemmabschnitt 14 vorgesehen ist, in Richtung abgewandt von der Klemmfeder 3 abgewinkelt bzw. abgekröpft oder versetzt angeordnet. Die Kröpfung ist dabei auf der dem Klemmschenkel 13 zugewandten Seite des Vertikalabschnitts 10 im Stromschienenstück 2 vorgesehen. Der an der Unterseite des Gabelzinkens 4b angeordnete Quersteg 20 des Vertikalabschnitts 10 ist dabei in Richtung des abgekröpften oder versetzten Klemmabschnitts 14 aus der Ebene des Vertikalabschnitts 10 abgebogen bzw. herausgebogen. Dabei stützt sich der Quersteg 20 an dem Stromschienenstück 2 ab, so dass Federkräfte, bedingt durch die Auslenkung der Klemmfeder 3, über diese Abstützung des Querstegs 20 aufgefangen bzw. kompensiert werden können, und zwar derart, dass keine elastische Verformung oder Auslenkung des Klemmabschnitts 14 erfolgt, wenn durch die Federkraft der ausgelenkten Klemmfeder 3 eine Klemmkraft auf den Klemmabschnitt 14 wirkt.The clamping section 14 of the busbar piece 2 is opposite to the fork 4b, in the extension of which the clamping section 14 is provided, in the direction away from the clamping spring 3 angled or cranked or offset. The offset is provided on the side of the vertical section 10 in the busbar piece 2 that faces the clamping leg 13 . The transverse web 20 of the vertical section 10 arranged on the underside of the fork prong 4b is bent or bent out of the plane of the vertical section 10 in the direction of the offset or offset clamping section 14 . The crossbar 20 is supported on the busbar section 2, so that spring forces caused by the deflection of the clamping spring 3 can be absorbed or compensated for via this support of the crossbar 20, in such a way that no elastic deformation or deflection of the clamping section 14 takes place when a clamping force acts on the clamping section 14 due to the spring force of the deflected clamping spring 3 .

Figur 2 lässt eine perspektivische Ansicht der Klemmfeder 3 erkennen, die aus einem Federblech gebildet ist. Hierbei handelt es sich um ein elastisch federndes Material, beispielsweise einem Metallblech aus einer chromhaltigen Legierung. figure 2 shows a perspective view of the clamping spring 3, which is formed from a spring steel sheet. This is an elastically resilient material, for example a sheet metal made of a chromium-containing alloy.

Erkennbar ist, dass sich an den Klemmschenkel 13 ein Federbogen 12 anschließt, welcher den Klemmschenkel 13 mit dem Anlageschenkel 9 verbindet. Der Klemmschenkel 13 hat an sich an den Federbogen 12 anschließenden ersten Abschnitt, der nach einer Biegung in die Klemmzunge 15 übergeht. Der Endbereich 23 der Klemmzunge 15 mit der Klemmkante 24 ist etwas verbreitert. In dem Biegungsbereich ragt an mindestens einer Seite eine Betätigungslasche 17 seitlich von den Randkanten des Klemmschenkels 13 hervor.It can be seen that the clamping leg 13 is followed by a spring bow 12 which connects the clamping leg 13 to the contact leg 9 . The clamping leg 13 has a first section adjoining the spring arc 12 , which transitions into the clamping tongue 15 after a bend. The end portion 23 of the clamping tongue 15 with the clamping edge 24 is somewhat widened. In the bending area, an actuating tab 17 protrudes laterally from the edge edges of the clamping leg 13 on at least one side.

Deutlich wird auch, dass der Anlageschenkel 19 aus einem Horizontalabschnitt 11 und einem hiervon abgebogenen Vertikalabschnitt 10 gebildet ist. Der Horizontalabschnitt 11 kann wiederum Biegungen haben, um auf mindestens zwei Ebenen liegende Bereiche zu bilden.It is also clear that the contact leg 19 is formed from a horizontal section 11 and a vertical section 10 bent therefrom. Again, the horizontal section 11 may have bends to form areas lying on at least two levels.

Erkennbar ist, dass der Vertikalabschnitt 10 eine durch einen unteren Quersteg 20 und einer dem Quersteg 20 gegenüberliegende Randkante 25 begrenzte Ausnehmung 19 hat. Diese Ausnehmung 19 ist buchtartig, d.h. einseitig offen ausgeführt und durch einen Seitensteg 26 begrenzt, welcher den Quersteg 20 mit dem in dem Horizontalabschnitt 11 übergehenden Teil des Vertikalabschnitts 10 verbindet.It can be seen that the vertical section 10 has a recess 19 delimited by a lower transverse web 20 and a peripheral edge 25 lying opposite the transverse web 20 . This recess 19 is bay-like, i.e. it is open on one side and delimited by a side bar 26 which connects the transverse bar 20 to the part of the vertical section 10 which merges into the horizontal section 11 .

Der Quersteg 20 kann im Abstand von diesem Seitensteg 26 eine Nase 27 haben, durch die eine Vertiefung zwischen der Nase 27 und dem Seitensteg 26 gebildet ist. Diese Nase 27 kann in eine Vertiefung oder Öffnung des Stromschienenstücks 2 eintauchen, um die Klemmfeder 3 an dem Stromschienenstück 2 in der Lage weiter zu fixieren. Denkbar ist aber auch, dass ein abgesenkter Teil des Stromschienenstücks 2 in diese Vertiefung eintaucht und das Stromschienenstück 2 ansonsten auch auf der Nase 27 aufliegt.The transverse web 20 can have a lug 27 at a distance from this side ridge 26, through which a depression between the lug 27 and the side ridge 26 is formed. This lug 27 can dip into a depression or opening in the conductor rail piece 2 in order to further fix the clamping spring 3 in position on the conductor rail piece 2 . However, it is also conceivable that a lowered part of the busbar piece 2 dips into this recess and the busbar piece 2 otherwise also rests on the lug 27 .

Deutlich wird weiterhin, dass im Abstand zu der Ausnehmung 19 benachbart zum Horizontalabschnitt 11 an dem Vertikalabschnitt 10 die Einbuchtung 22 vorgesehen ist. Diese Einbuchtung 22 ist zur Aufnahme des Fingers 21 des Stromschienenstücks 2 angepasst. Auf diese Weise wird die Lagefixierung der Klemmfeder 3 an dem Stromschienenstück 2 verbessert.It is also clear that the indentation 22 is provided on the vertical section 10 at a distance from the recess 19 adjacent to the horizontal section 11 . This indentation 22 is adapted to accommodate the finger 21 of the busbar piece 2 . In this way, the fixing of the position of the clamping spring 3 on the busbar piece 2 is improved.

Figur 3 zeigt eine Seitenansicht des Kontakteinsatzes 1 aus Figur 1 mit einer Schnittlinie A-A durch den Vertikalabschnitt 10 der Klemmfeder 3. figure 3 shows a side view of the contact insert 1 from figure 1 with a cutting line AA through the vertical section 10 of the clamping spring 3.

Dabei ist zunächst erkennbar, dass die beiden im Abstand zueinander angeordnet und aufeinander zu gerichteten Gabelzinken 4a, 4b durch den integral hiermit geformten Verbindungssteg 8 zu einer Gabelsteckkontaktbuchse 5 verbunden werden. Die dem Klemmschenkel 13 zugewandte Schmalseitenkante des Verbindungssteges 8 bildet eine Anlagewand 28, an der sich der Vertikalabschnitt 10 der Klemmfeder 3 abstützt. Deutlich wird auch, dass das Stromschienenstück 2 mit dem ersten Gabelzinken 4a und dem sich daran anschließenden Klemmabschnitt 14 in die Ausnehmung 19 des Vertikalabschnitts 10 eintaucht. Dabei liegt der Quersteg 20 an der Unterseite des Stromschienenstücks 2 an. Diese Unterseite liegt der Oberseite des Stromschienenstücks 2 mit dem Klemmabschnitt 14 gegenüber, welche die Klemmkante 16 zum Anklemmen des elektrischen Leiters aufweist und auf die welche der Klemmschenkel 13 hin ausgerichtet ist. Deutlich wird, dass der Klemmschenkel 13 mit seiner Klemmzunge 15 im Ruhezustand ohne angeklemmten Leiter auf dieser Oberseite des Stromschienenstücks 2 im Klemmabschnitt 14 aufliegt.It can first be seen that the two fork prongs 4a, 4b, which are arranged at a distance from one another and are directed towards one another, are connected to form a fork plug contact socket 5 by the connecting web 8 formed integrally therewith. 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. It is also clear that the busbar section 2 with the first fork 4a and the adjoining clamping section 14 dips into the recess 19 of the vertical section 10 . In this case, the transverse web 20 rests on the underside of the busbar piece 2 . This bottom is the top of the busbar piece 2 with the clamping portion 14 opposite, which has the clamping edge 16 for clamping the electrical conductor and on which the clamping leg 13 is aligned. It is clear that the clamping leg 13 rests with its clamping tongue 15 in the idle state without a conductor being clamped on this upper side of the busbar piece 2 in the clamping section 14 .

Deutlich wird auch, dass der von der zweiten Gabelzunge 14 abragende Finger 21 durch den Vertikalabschnitt 10 hindurchgeführt ist und mit seinem freien Ende den Vertikalabschnitt 10 umgreift. Damit liegt der Vertikalabschnitt 10 auf der Seite, die der Anlagewand gegenüberliegt, an dem Finger 21 an. Der Vertikalabschnitt 10 wird auf diese Weise an der Anlagewand 28 gehalten und ruht auf dem ersten Gabelzinken 4a und dem sich daran anschließenden Teil des Klemmabschnitts 14 des Stromschienenstücks 2.It is also clear that the finger 21 protruding from the second fork tongue 14 is guided through the vertical section 10 and encloses the vertical section 10 with its free end. The vertical section 10 thus rests against the finger 21 on the side opposite the contact wall. In this way, the vertical section 10 is held on the contact wall 28 and rests on the first fork tine 4a and the adjoining part of the clamping section 14 of the conductor rail piece 2.

Figur 4 zeigt einen Querschnitt durch den Klemmeinsatz 1 im Schnitt A-A. Hierbei wird deutlich, dass sich der Finger 21 durch die Einbuchtung 22 im Vertikalabschnitt 10 hindurch erstreckt. figure 4 shows a cross section through the clamping insert 1 in section AA. It is clear here that the finger 21 extends through the indentation 22 in the vertical section 10 .

Weiterhin ist erkennbar, dass sich das Stromschienenstück 2 im Bereich des ersten Gabelzinken 4a im Übergang zum Klemmabschnitt 14 in die Ausnehmung 19 des Vertikalabschnitts 10 eintaucht, sodass der Vertikalabschnitt 10 mit seiner oberen Randkante 25 der Ausnehmung 19 auf dem Stromschienenstück 2 aufliegt und die gegenüberliegende Querkante 20 das Stromschienenstück 2 untergreift.It can also be seen that the busbar section 2 in the area of the first fork 4a dips into the recess 19 of the vertical section 10 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 the conductor rail section 2 engages.

Die Ansicht in Figur 4 ist von der Gabelsteckkontaktbuchse 5 aus in Richtung Federbogen 12 gesehen dargestellt, was durch die Schnittlinie A-A in Figur 3 erkennbar ist.The view in figure 4 is shown seen from the fork connector socket 5 in the direction of the spring arc 12, which is indicated by the section line AA in figure 3 is recognizable.

Figur 5 zeigt eine Rückansicht auf den Vertikalabschnitt 10 der Klemmfeder 3 aus Figur 2. Dabei wird nochmals deutlicher, dass die Einbuchtung 19 des Vertikalabschnitts 10 ein eintauchen des Stromschienenstücks 2 ermöglicht, sodass der Anlageschenkel 9 mit seiner die Ausnehmung 19 begrenzenden oberen Randkante 25 zur Auflage auf dem Stromschienenstück 2 gelangen kann und dabei der die Ausnehmung 19 begrenzende Quersteg 20 das Stromschienenstück 2 untergreift. figure 5 shows a rear view of the vertical section 10 of the clamping spring 3 figure 2 . It becomes even clearer here that the indentation 19 of the vertical section 10 allows the busbar piece 2 to dip in, so that the contact leg 9 with its upper edge delimiting the recess 19 25 can come to rest on the busbar piece 2 and thereby the recess 19 delimiting transverse web 20 the busbar piece 2 engages.

Deutlich wird, dass die Klemmfeder 3 dazu vorgesehen ist, seitlich auf das Stromschienenstück 2 aufgeschoben bzw. montiert zu werden.It is clear that the clamping spring 3 is intended to be pushed or mounted laterally onto the busbar piece 2 .

Figur 6 zeigt eine Seitenansicht einer Leiteranschlussklemme 29, die aus einem vorher beschriebenen Klemmeinsatz 3 gebildet ist, welche in ein Isolierstoffgehäuse 30 eingebaut ist. Das Isolierstoffgehäuse 30 hat zudem ein Betätigungselement 31, das in dem dargestellten Ausführungsbeispiel als schwenkbar gelagerter Betätigungshebel ausgebildet ist. Der Betätigungshebel hat einen sich oberhalb des Horizontalabschnitts 11 der Klemmfeder 3 erstreckenden Betätigungsarm 32, der in einen seitlich an der Klemmfeder 3 vorbeigeführten Lagerabschnitt 33 übergeht. Der Lagerabschnitt 33 hat eine Betätigungskontur 34, die zur Beaufschlagung der seitlich vorstehenden Betätigungslasche 17 an dem Klemmschenkel 13 ausgebildet ist. Bei einem Hochschwenken des Betätigungshebels, wie dies mit dem Betätigungsarm 32' in Figur 6 skizziert ist, wird der Klemmschenkel 13 von dem Klemmabschnitt 14 des Stromschienenstücks 2 weg verlagert, um auf diese Weise die Klemmstelle zwischen Klemmschenkel 13 und Klemmabschnitt 14 zum Anklemmen eines elektrischen Leiters zu öffnen. figure 6 shows a side view of a conductor terminal 29, which is formed from a previously described terminal insert 3, which is installed in 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 past the clamping spring 3 at the side. The bearing section 33 has an actuating contour 34 which is designed to act on the laterally projecting actuating tab 17 on the clamping leg 13 . When the actuating lever is pivoted up, as is the case with the actuating arm 32' in figure 6 is outlined, the clamping leg 13 is shifted away from the clamping section 14 of the busbar piece 2 in order to open in this way the clamping point between the clamping leg 13 and the clamping section 14 for clamping an electrical conductor.

Deutlich wird, dass das Isolierstoffgehäuse 30 an der Seite, die der Gabelstecckontaktbuchse 5 gegenüberliegt, eine Leitereinführungsöffnung 35 zum Einführen eines elektrischen Leiters 36 hat. Dieser elektrische Leiter 36 wird dann mit seinem abisolierten Ende zwischen der Klemmzunge 15 des Klemmschenkels und dem Klemmabschnitt 14 des Stromschienenstücks 2 elektrisch leitend angeklemmt. Deutlich wird, dass im heruntergeklappten Zustand des Betätigungshebels 31 dieser auf dem Horizontalabschnitt 11 aufliegt, um so die Federkennlinie der Klemmfeder 3 zu versteifen.It is clear that 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 in an electrically conductive manner with its stripped end between the clamping tongue 15 of the clamping leg and the clamping section 14 of the busbar piece 2 . It is clear that when the operating lever 31 is folded down, it rests on the horizontal section 11 in order to stiffen the spring characteristic of the clamping spring 3 .

An der Seitenwand des Isolierstoffgehäuses 30 sind Rastkonturen z.B. in Form von Rastöffnungen 37 und Rastzapfen vorgesehen, mit denen mehrere Leiteranschlussklemmen 19 nebeneinander zu einer Klemmenanordnung zusammengefasst werden können.Latching contours, e.g. in the form of latching openings 37 and latching pins, are provided on the side wall of the insulating material housing 30, with which several conductor connection terminals 19 can be combined next to one another to form a terminal arrangement.

Benachbart zu der Gabelsteckkontaktbuchse 5 ragt von dem Isolierstoffgehäuse 30 ein Zapfen 38 ab, der zur Führung, Verrastung und/oder Kodierung genutzt werden kann.A pin 38 protrudes from the insulating material housing 30 adjacent to the fork plug contact socket 5 and can be used for guiding, latching and/or coding.

In dem Isolierstoffgehäuse 30 ist zudem an der Seite, die der Leitereinführungsöffnung 35 gegenüberliegt, ein Kontaktstift- Einführungskanal vorhanden, um einen Kontaktstift zu der Klemmstelle zwischen den Gabelzinken 4a, 4b zu führen.In the insulating housing 30 there is also 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 tines 4a, 4b.

Es ist gut erkennbar, dass der Vertikalabschnitt 10 an der Anlagewand 28 anliegt, die durch die Seitenkante des Verbindungssteges 8 zwischen den Gabelzinken 4a, 4b bereitgestellt wird.It can be clearly seen that the vertical section 10 bears against the contact wall 28 which is provided by the side edge of the connecting web 8 between the fork arms 4a, 4b.

Figur 7 lässt eine Draufsicht auf eine zwei-polige Leiteranschlussklemme 29 erkennen. Dabei sind zwei Isolierstoffgehäuse 30 mit darin eingebauten Klemmeinsätzen 1 nebeneinander angeordnet und miteinander verrastet. In dem geöffneten Zustand, der mit der oberen Leiteranschlussklemme skizziert ist, bedeckt der Betätigungsarm 32 des Betätigungshebels 31 den Horizontalabschnitt 11 der Klemmfeder nicht. Diese kann dann nach oben hin flexibel ausweichen, sodass die Federkraft beim Öffnen weiter reduziert wird. figure 7 shows a top view of a two-pole conductor connection terminal 29. In this case, two insulating material housings 30 with terminal inserts 1 built into them are arranged next to one another and locked together. In the open state, which is outlined with the upper conductor terminal, 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.

Deutlich wird auch, dass ein Zapfen 38 beispielhaft nur an einer Leiteranschlussklemme der zwei-poligen Leiteranschlussklemme 29 vorhanden ist. Damit kann eine Kodierung erreicht werden.It is also clear that, for example, a pin 38 is only present on one conductor connection terminal of the two-pole conductor connection terminal 29 . This allows coding to be achieved.

Figur 8 lässt eine Querschnittsansicht einer Abwandlung des Kontakteinsatzes 1 erkennen. Dabei ist an dem Vertikalabschnitt 10 eine Ausnehmung 19 eingebracht, die durch eine obere Randkante 25 und von dieser Randkante 25 abragende Seitenstege 26a, 26b begrenzt ist. Das Stromschienenstück 2 ist im Bereich des ersten Gabelzinkens 4a im Übergang zum Halteabschnitt 14 in dieser Ausnehmung 19 aufgenommen, indem sie von unten in Richtung obere Randkante 25 in die Ausnehmung 19 eintaucht. Diese beiden einander gegenüberliegenden Seitenstege 26a, 26b grenzen dann an die Seitenkanten des Stromschienenstücks 2 an oder greifen in seitlich an dem Stromschienenstück 2 angeordnete Ausnehmungen ein. Deutlich wird dabei, dass diese Ausführung der Klemmfeder 3 für eine Montage von oben auf das Stromschienenstück 2 vorgesehen ist.. figure 8 shows a cross-sectional view of a modification of the contact insert 1. A recess 19 is made in the vertical section 10 and extends through an upper edge 25 and protrudes from this edge 25 Side bars 26a, 26b is limited. The busbar section 2 is accommodated in this recess 19 in the region of the first fork 4a in the transition to the holding section 14 by dipping into the recess 19 from below in the direction of the upper edge 25 . These two side webs 26a, 26b lying opposite one another then border on the side edges of the busbar piece 2 or engage in recesses arranged laterally on the busbar piece 2. It is clear that this version of the clamping spring 3 is intended for mounting from above onto the busbar piece 2.

Erkennbar ist, dass das Stromschienenstück 2 in die Ausnehmung 19 eintauchenden Bereich wellenförmig durch Sicken 39 und Erhebungen 40 ausgebildet ist. Damit wird die Gefahr der Verformung des Stromschienenstücks 2 durch die Auflagerung des Vertikalabschnitts 10 an dem Stromschienenstück 2 reduziert. Der durch die seitlichen Ausnehmungen geschwächte Querschnitt des Stromschienenstücks 2 wird durch wellenförmige Sicken 39 und Erhöhungen 40 verstärkt, um die durch die Klemmfeder 3 eingebrachten Kräfte aufnehmen zu können.It can be seen that the conductor rail piece 2 is formed in a wave-like manner by beads 39 and elevations 40 in the area that dips into the recess 19 . This reduces the risk of the busbar piece 2 being deformed by the vertical section 10 being supported on the busbar piece 2 . The weakened by the lateral recesses cross section of the busbar piece 2 is reinforced by wavy beads 39 and elevations 40 to absorb the forces introduced by the clamping spring 3 can.

Figur 9 zeigt eine perspektivische Explosionsansicht einer aus Klemmfeder 3 und Stromschienenstück 2 gebildeten weiteren Ausführungsform der Leiteranschlussklemme 1. Für den grundsätzlichen Aufbau des Stromschienenstücks 2 und der Klemmfeder 3 kann im Wesentlichen auf die vorhergehenden Ausführungen verwiesen werden. figure 9 shows a perspective exploded view of a further embodiment of the conductor terminal 1 formed from the clamping spring 3 and the busbar piece 2. For the basic structure of the busbar piece 2 and the clamping spring 3, reference can essentially be made to the previous statements.

Erkennbar ist, dass nunmehr von dem Verbindungssteg 8 eine Lasche 42 auf der Seite, die der Klemmzunge 15 der Klemmfeder 3 zugewandt ist, abragt. Zudem ist im Übergang zwischen dem unteren Gabelzinken 4a und dem Klemmabschnitt 14 eine seitliche Ausnehmung 43 vorhanden.It can be seen that a tab 42 now protrudes from the connecting web 8 on the side facing the clamping tongue 15 of the clamping spring 3 . In addition, there is a lateral recess 43 in the transition between the lower fork prongs 4a and the clamping section 14 .

Von dem Vertikalabschnitt 10 der Klemmfeder 3 ragt gegenüberliegend zu dem Horizontalabschnitt 11 ein Anlageabschnitt 44 ab. Dieser Anlageabschnitt 44 geht mit einem Seitensteg 45 in den Vertikalabschnitt 10 über. In diesem Übergangsbereich neben dem Seitensteg 45 ist die Ausnehmung 19 mit seinen das Stromschienenstück 2 im eingebauten Zustand umgreifenden Randkanten vorhanden.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 into the vertical section 10 with a side bar 45 . In this transition area next to the side web 45 there is the recess 19 with its edge edges surrounding the conductor rail piece 2 in the installed state.

Erkennbar ist weiterhin, dass das freie Ende des von dem Vertikalabschnitt umgebogenen Anlageabschnittes 44 nochmals schräg von dem Klemmschenkel 13 weg abgebogen ist. Zudem ist auf der Seite der Einlaufschräge 18 des Klemmabschnittes 14, die dem Klemmschenkel 13 abgewandt ist, eine muldenartige Vertiefung 46 eingebracht. Die Einlaufschräge 18 ist zudem im vorderen Endbereich schmaler, als der sich daran anschließende Bereich des Klemmabschnittes 14. Dabei sind seitlich neben der Einlaufschräge jeweils zungenartige Abschnitte 47 vorhanden.It can also be seen that the free end of the contact section 44 bent over by the vertical section is again bent obliquely away from the clamping leg 13 . In addition, a trough-like depression 46 is provided on the side of the inlet bevel 18 of the clamping section 14 that faces away from the clamping leg 13 . The inlet bevel 18 is also narrower in the front end area than the adjoining area of the clamping section 14. In this case, tongue-like sections 47 are present laterally next to the inlet bevel.

Figur 10 lässt eine perspektivische Rückseitenansicht der Leiteranschlussklemme 1 aus Figur 9 erkennen. Hierbei wird nochmals deutlich, dass der Klemmabschnitt 14 am freien Ende mit einer Einlaufschräge 18 im zentralen Bereich ausläuft. Beidseits dieser Einlaufschräge 18 sind die zungenartigen Abschnitte 47 vorhanden, welche eine geringer Länge, als die Einlaufschräge 18 haben und sich in einem etwas anderem Winkel als die Einlaufschräge 18 erstrecken. Die Oberseiten der zungenartigen Abschnitte 47 sind zudem, anders als die Einlaufschräge 18, gewölbt. figure 10 omits a rear perspective view of the conductor terminal 1 figure 9 recognize. Here again it becomes clear that the clamping section 14 terminates at the free end with a run-in bevel 18 in the central region. On both sides of this run-in slope 18 there are the tongue-like sections 47 which are shorter in length than the run-in slope 18 and extend at a somewhat different angle than the run-in slope 18 . The tops of the tongue-like sections 47 are also, unlike the inlet bevel 18, arched.

Deutlich wird weiterhin, dass die seitliche Ausnehmung 43 so positioniert ist, dass sie aus Richtung der Gabelzinken 4a, 4b gesehen der Lasche 42 vorgelagert ist. Der seitlich in das Stromschienenstück 2 eingeschobene Vertikalabschnitt 10 liegt somit mit seiner dem Klemmschenkel 13 zugewandten Seite an der Lasche 42 und mit seiner dem Klemmschenkel 13 abgewandten Seite an der durch die Randkante des oberen Gabelzinkens 4b und durch die seitliche Ausnehmung 43 gebildete Anlagewand 28 an dem Stromschienenstück 2 an.It is also clear that the lateral recess 43 is positioned in such a way that it is in front of the tab 42 as seen from the direction of the forks 4a, 4b. The vertical section 10 pushed laterally into the busbar piece 2 thus lies with its side facing the clamping leg 13 on the lug 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 tine 4b and by the lateral recess 43 on the Busbar piece 2 on.

Figur 11 lässt eine perspektivische Ansicht der Leiteranschlussklemme 1 nach Figur 9 von der gegenüberliegenden Seite erkennen. Dabei wird der Verbindungsabschnitt 8 deutlich, welcher die Gabelzinken 4a, 4b miteinander verbindet. Erkennbar ist weiterhin, dass von dem Verbindungsabschnitt 8 eine einstückig hiermit ausgeformte Lasche 42 abragt. figure 11 shows a perspective view of the conductor terminal 1 according to FIG. 9 from the opposite side. The connection section 8, which connects the forks 4a, 4b to one another, becomes clear. It can also be seen that a tab 42 formed in one piece with the connecting section 8 protrudes.

Erkennbar ist weiterhin, dass an der Unterseite der Einlaufschräge 18 eine muldenartige Ausnehmung 46 eingebracht ist.It can also be seen that a trough-like recess 46 is introduced on the underside of the inlet slope 18 .

Weiterhin ist erkennbar, dass die Klemmfeder 3 seitlich auf das Stromschienenstück 2 aufgeschoben werden kann. Dabei ist der Seitensteg 45 auf der Seite angeordnet, die dem Verbindungssteg 8 gegenüberliegt. Der Vertikalabschnitt 10 wird dabei in einen Zwischenraum zwischen der Lasche 42 und der durch die Randkante gebildeten Anlagewand 28 eingeschoben.It can also be seen that the clamping spring 3 can be pushed laterally onto the busbar piece 2 . The side bar 45 is arranged on the side opposite the connecting bar 8 . The vertical section 10 is pushed into an intermediate space between the tab 42 and the contact wall 28 formed by the edge.

Dies ist in Figur 12 gut erkennbar, welche die Leiteranschlussklemme 1 im nunmehr zusammengebauten Zustand zeigt. Deutlich wird, der Seitensteg 45 nunmehr in die seitliche Ausnehmung 43 des Klemmabschnittes 14 eintaucht. Der Vertikalabschnitt 10 liegt dabei an der Lasche 42 an. Die Lasche 42 hat dabei eine solche Fläche, dass sie den Vertikalabschnitt 10 wesentlich abdeckt und einen Leiteranschlag für einen in Leitereinsteckrichtung L eingesteckten elektrischen Leiter bildet.this is in figure 12 clearly visible, which shows the conductor terminal 1 in the now assembled state. It is clear that the side bar 45 now dips into the lateral recess 43 of the clamping section 14 . The vertical section 10 rests against the tab 42 . The tab 42 has such a surface that it essentially covers the vertical section 10 and forms a conductor stop for an electrical conductor inserted in the conductor insertion direction L.

Erkennbar ist weiterhin, dass der von dem Vertikalabschnitt 10 abgebogene Anlageabschnitt 44 des Anlageschenkels 9 auf der Seite des Klemmabschnittes 14, die dem Klemmschenkel 13 gegenüberliegt, an dem Klemmabschnitt 14 anliegt. Der Anlageabschnitt 44 erstreckt sich dabei bis zur Einlaufschräge 18 hin, sodass zwischen der muldenförmigen Ausnehmung 46 und dem freien Ende des Anlageabschnittes 44 ein Freiraum zur Aufnahme eines Prüfstiftes vorhanden ist. Dort ist der Anlageabschnitt 44 somit von dem Klemmabschnitt 14 beabstandet.It can also be seen that the contact section 44 of the contact leg 9 which is bent away from the vertical section 10 rests against the clamping section 14 on the side of the clamping section 14 which is opposite the clamping leg 13 . The contact section 44 extends up to the run-in slope 18 so that there is a free space between the trough-shaped recess 46 and the free end of the contact section 44 for receiving a test pin. The contact section 44 is thus spaced apart from the clamping section 14 there.

Weiterhin wird seitlich neben dem Einführungsabschnitt 18 zwischen den verkürzten Fingern 47 und dem schräg davon beabstandeten Anlageabschnitt 44 ein Zwischenraum bereitgestellt, der ebenfalls als Prüfbereich zur Aufnahme eines Prüfstiftes genutzt werden kann, um das an der Leiteranschlussklemme 1 anliegende Spannungspotential oder dort anliegende Signale zu messen.Furthermore, a space is provided laterally next to the insertion section 18 between the shortened fingers 47 and the contact section 44 spaced obliquely therefrom, which can also be used as a test area for receiving a test pin in order to measure the voltage potential present at the conductor terminal 1 or signals present there.

Hierzu ist dann in einem nicht dargestellten Isolierstoffgehäuse unterhalb der Leitereinführungsöffnung eine Prüföffnung vorhanden.For this purpose, a test opening is then present in an insulating housing, not shown, below the conductor entry opening.

Figur 13 lässt eine perspektivische Rückseitenansicht der Leiteranschlussklemme 1 aus Figur 12 erkennen. Hier ist nochmals deutlich, dass der Vertikalabschnitt 10 mit seinem Seitensteg 45 in die seitliche Ausnehmung 43 des Stromschienenstücks 2 eintaucht. Deutlich wird dabei, dass der Vertikalabschnitt 10 zwischen der Anlagewand 28 an der dem Klemmschenkel 15 zugewandten Randkante des oberen Gabelzinkens 4b auf einer Seite und der Lasche 42 auf der gegenüberliegenden Seite anliegt und im unteren Bereich mit einer Randkante 25 auf dem Klemmabschnitt 14 aufliegt. Die Randkante 25 begrenzt dabei die Ausnehmung 19. figure 13 omits a rear perspective view of the conductor terminal 1 figure 12 recognize. Here it is clear again that the vertical section 10 dips into the lateral recess 43 of the conductor rail piece 2 with its side web 45 . It is clear that the vertical section 10 between the contact wall 28 rests against the edge of the upper fork tine 4b facing the clamping leg 15 on one side and the lug 42 on the opposite side and rests in the lower area with an edge 25 on the clamping section 14. The edge 25 delimits the recess 19.

Claims (17)

  1. A conductor terminal (29) comprising a bus bar piece (2) and a clamping spring (3) having a clamping leg (13) aligned towards the bus bar piece (2) for forming a clamping point for clamping an electrical conductor (36) between the clamping leg (13) and the bus bar piece (2), a spring bend (12) adjoining the clamping leg (13), and an abutment leg (9) which extends with a vertical section (10) transversely to the conductor rail piece (2), the conductor rail piece (2) having a contact wall (28) which is arranged adjacent to a wall surface of the vertical section (10) of the contact leg (9) which lies on the side of the vertical section (10) facing away from the clamping leg (13) and in that the clamping spring (3) has a horizontal section (11) between the vertical section (10) and the spring bend (12),
    characterized in that the vertical section (10) of the contact leg (9) has a recess (19) with marginal edges engaging around the conductor rail piece (2), and in that an actuating lever (31) has an actuating arm (32) which extends above the horizontal section (11) of the clamping spring (3) and merges into a bearing section (33) which is guided laterally past the clamping spring (3) and has an actuating contour (34),
    wherein, when the actuating lever (31) is pivoted upwards, the clamping leg (13) is displaced away from a clamping section (14) of the conductor rail piece (2) by means of the actuating contour (34), in order in this way to open the clamping point between the clamping leg (13) and the clamping section (14) for clamping the electrical conductor (36).
  2. Conductor connection terminal (29) according to claim 1, characterized in that a transverse web (20) is formed on the recess of the vertical section (10) of the contact leg (9), which transverse web (20) engages under the conductor rail piece (2), the conductor rail piece (2) being inserted into the recess (19) and the edge (25) of the vertical section (10) opposite the transverse web (20), which edge (25) bounds the recess (19), being supported on the conductor rail piece (2).
  3. Conductor connection terminal (29) according to claim 1 or 2, characterized in that the vertical section (10) of the contact leg (9) has an indentation (22) at a distance from the recess (19) and a finger (21) dipping into the indentation (22) projects from the contact wall (28).
  4. Conductor terminal (29) according to claim 3, characterized in that the finger (21) engages around the vertical section (10) of the contact leg (9) and rests with its end against the side of the vertical section (10) which is opposite the contact surface of the vertical section (10) against the contact wall (28).
  5. Conductor connection terminal (29) according to one of the preceding claims, characterized in that the horizontal section (11) of the contact leg (9) extending in the main extension direction of the conductor rail piece (2) is bent off from the vertical section (10), the horizontal section (11) being arranged at a distance from the conductor rail piece (2) and merging into the spring bend (12).
  6. Conductor connection terminal (29) according to one of the preceding claims, characterized in that the horizontal section (11) has no support on the conductor rail piece (2).
  7. Conductor connection terminal (29) according to one of the preceding claims, characterized in that the clamping leg (13) has an actuating section (17) designed as a laterally projecting actuating lug.
  8. Conductor connection terminal (29) according to one of the preceding claims, characterized in that the conductor connection terminal (29) has an insulating material housing (30) with a terminal insert (1) formed from a busbar piece (2) and a clamping spring (3).
  9. Conductor connection terminal (29) according to claim 8, characterized in that an actuating element (31) is pivotably mounted in the insulating material housing (30), the actuating element (31) being designed to act on an actuating section (17) of the clamping leg (13) when the actuating element (31) is pivoted or displaced.
  10. Conductor connection terminal (29) according to one of the preceding claims, characterized in that the conductor rail piece (2) has two fork prongs (4a, 4b) which are spaced apart from one another and are aligned to face one another to form a fork contact socket (5), and in that the contact wall (28) is formed by a side edge of a connecting web (8) which connects the two fork prongs (4a, 4b) to one another.
  11. Conductor terminal (29) according to claim 10, characterized in that a lug (42) projects from the connecting web (8), abuts the vertical section (10) and faces the clamping leg (13).
  12. Conductor connection terminal (29) according to one of the preceding claims, characterized in that the conductor rail piece (2) has, in its region on which the vertical section (10) of the contact leg (9) is supported, a cross-sectional profile designed in the form of corrugations with beads (39) and elevations (40).
  13. Conductor terminal (29) according to claim 5, characterized in that a retaining section extending towards the conductor rail piece (2) projects from the horizontal section (11) and is mounted on the conductor rail piece (2).
  14. Conductor terminal (29) according to one of the preceding claims, characterized in that the abutment wall (28) is formed by an edge of the conductor rail piece (2) facing the vertical section (10).
  15. Conductor connection terminal (29) according to claim 14, characterized in that the contact wall (28) is formed by a marginal edge, facing the vertical section (10), of a connecting web (8) which connects fork prongs (4a, 4b) of the busbar piece (2) to one another, and/or by a marginal edge of a fork prong (4b) which is located at the end of the fork prong (4b) opposite the clamping end of the fork prong (4b).
  16. Conductor connection terminal (29) according to one of the preceding claims, characterized in that the vertical section (10) has at least one side web (26, 26a, 26b) which dips into an associated lateral recess of the busbar piece (2)
  17. Conductor terminal (29) according to one of the preceding claims, characterized in that the abutment leg (9) has an abutment section (44) which adjoins the vertical section (10), is bent over by the vertical section (10), abuts the clamping section (14) on the side of the clamping section (14) of the busbar piece (2) facing away from the clamping leg (13) and is spaced apart from the clamping section (14) in a test area.
EP20203729.7A 2016-06-24 2017-06-19 Conductor connection terminal Active EP3787121B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102016111627.0A DE102016111627A1 (en) 2016-06-24 2016-06-24 Conductor terminal
PCT/EP2017/064932 WO2017220490A1 (en) 2016-06-24 2017-06-19 Conductor terminal
EP17730800.4A EP3476007B1 (en) 2016-06-24 2017-06-19 Conductor terminal

Related Parent Applications (2)

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EP17730800.4A Division EP3476007B1 (en) 2016-06-24 2017-06-19 Conductor terminal
EP17730800.4A Division-Into EP3476007B1 (en) 2016-06-24 2017-06-19 Conductor terminal

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EP3787121A1 EP3787121A1 (en) 2021-03-03
EP3787121B1 true EP3787121B1 (en) 2023-04-05

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EP20186933.6A Withdrawn EP3745538A1 (en) 2016-06-24 2017-06-19 Conductor connecting terminal
EP20203729.7A Active EP3787121B1 (en) 2016-06-24 2017-06-19 Conductor connection terminal
EP17730800.4A Active EP3476007B1 (en) 2016-06-24 2017-06-19 Conductor terminal

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EP20186933.6A Withdrawn EP3745538A1 (en) 2016-06-24 2017-06-19 Conductor connecting terminal

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EP17730800.4A Active EP3476007B1 (en) 2016-06-24 2017-06-19 Conductor terminal

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US (2) US10594053B2 (en)
EP (3) EP3745538A1 (en)
JP (4) JP7075360B2 (en)
CN (4) CN109328419B (en)
DE (2) DE102016111627A1 (en)
PL (2) PL3787121T3 (en)
WO (1) WO2017220490A1 (en)

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JP2022160414A (en) 2022-10-19
JP2022177194A (en) 2022-11-30
DE102016111627A1 (en) 2017-12-28
JP2019522876A (en) 2019-08-15
DE202017006806U1 (en) 2018-06-18
CN110829045B (en) 2021-05-14
JP7146842B2 (en) 2022-10-04
JP7420872B2 (en) 2024-01-23
EP3787121A1 (en) 2021-03-03
CN109328419A (en) 2019-02-12
US11239575B2 (en) 2022-02-01
US10594053B2 (en) 2020-03-17
EP3476007B1 (en) 2020-12-16
CN114268000B (en) 2024-03-01
EP3745538A1 (en) 2020-12-02
CN109328419B (en) 2023-07-14
JP7075360B2 (en) 2022-05-25
PL3476007T3 (en) 2021-08-02
EP3476007A1 (en) 2019-05-01
WO2017220490A1 (en) 2017-12-28
JP7418520B2 (en) 2024-01-19
PL3787121T3 (en) 2023-08-14
CN114268000A (en) 2022-04-01
CN116845591A (en) 2023-10-03
CN110829045A (en) 2020-02-21
US20200220279A1 (en) 2020-07-09
JP2020129555A (en) 2020-08-27
US20190131724A1 (en) 2019-05-02

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