EP3350883B1 - Élément de contact de borne de conducteur - Google Patents

Élément de contact de borne de conducteur Download PDF

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Publication number
EP3350883B1
EP3350883B1 EP16763745.3A EP16763745A EP3350883B1 EP 3350883 B1 EP3350883 B1 EP 3350883B1 EP 16763745 A EP16763745 A EP 16763745A EP 3350883 B1 EP3350883 B1 EP 3350883B1
Authority
EP
European Patent Office
Prior art keywords
section
conductor
side wall
clamping
contact element
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP16763745.3A
Other languages
German (de)
English (en)
Other versions
EP3350883A1 (fr
Inventor
Hans-Josef Köllmann
Henry Stolze
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wago Verwaltungs GmbH
Original Assignee
Wago Verwaltungs GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wago Verwaltungs GmbH filed Critical Wago Verwaltungs GmbH
Priority to EP21209297.7A priority Critical patent/EP3979425A1/fr
Priority to EP21184466.7A priority patent/EP3910741A1/fr
Priority to PL16763745T priority patent/PL3350883T3/pl
Publication of EP3350883A1 publication Critical patent/EP3350883A1/fr
Application granted granted Critical
Publication of EP3350883B1 publication Critical patent/EP3350883B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/4828—Spring-activating arrangements mounted on or integrally formed with the spring housing
    • H01R4/48365—Spring-activating arrangements mounted on or integrally formed with the spring housing with integral release means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/50—Fixed connections
    • H01R12/51—Fixed connections for rigid printed circuits or like structures
    • H01R12/515—Terminal blocks providing connections to wires or cables
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70—Coupling devices
    • H01R12/71—Coupling devices for rigid printing circuits or like structures
    • H01R12/75—Coupling devices for rigid printing circuits or like structures connecting to cables except for flat or ribbon cables
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/10—Sockets for co-operation with pins or blades
    • H01R13/11—Resilient sockets
    • H01R13/115—U-shaped sockets having inwardly bent legs, e.g. spade type
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/16—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for manufacturing contact members, e.g. by punching and by bending

Definitions

  • the invention relates to a conductor connection contact element for clamping an electrical conductor with a busbar piece, which consists of a sheet metal part with a first side wall and a second side wall opposite the first side wall, a floor section extending from the first side wall to the opposite second side wall and a floor section opposite and facing each other is formed from the first side wall to the opposite second side wall extending cover section, wherein the side walls with the bottom section and the cover section delimit a conductor insertion channel, and with a clamping spring arranged on the busbar piece, which has a contact section at a first end area and a contact section at the second end area that supports the Opposite the first end region, has a clamping portion with a clamping edge for clamping the electrical conductor.
  • the contact section is arranged on the bottom section of the busbar piece.
  • the clamping section extends with its freely movable end towards the cover section. Viewed transversely to the direction of longitudinal extent of the clamping section, there is an actuating section accessible for an actuating tool in addition to the clamping edge.
  • the present conductor connection contact element is primarily intended and designed to be placed directly on a circuit board and soldered to the circuit board in order to create a circuit board contact for connecting an electrical conductor by means of a spring-loaded terminal connection.
  • the conductor connection contact element is provided in order to be without a surrounding insulating housing to be used.
  • DE 20 2013 105 670 U1 shows a connection for light emitting diodes with an insulating material housing provided with pushbuttons and a plurality of conductive contact units located in the insulating material housing.
  • the contact units are made up of two metal strips.
  • the first metal strip has an upwardly raised metal wall which is curved inward on the top to form a semicircle.
  • the second metal strip is connected at one end to the upper end of the first metal strip and is provided with two branching tongues at its other end.
  • One of the branching tongues is provided for clamping the electrical conductor.
  • the other branching tongue is aligned with the pushbutton so that the pushbutton can be pressed against the second metal strip to open the clamping point formed by the first branching tongue and the first metal strip for clamping an electrical conductor.
  • a quick connect terminal having a conductive copper bar and a flexible conductive steel sheet attached to the copper bar.
  • holding plates opposite one another are bent from the copper web, on which the steel sheet is supported.
  • a guide web is bent obliquely into the conductor insertion channel from the holding plates in order to guide an electrical conductor to be clamped from the left and right side in the direction of the clamping jaw, which through the clamping plate and the copper bar is formed.
  • WO 2014/124475 A2 discloses a connecting or connecting terminal for electrically connecting at least one conductor and to an electrical contact body.
  • the connection terminal has an insulating material housing in which the contact body is arranged.
  • the contact body has a stamped part with a Breakthrough and a spring element arranged in the opening.
  • the spring element is designed as a U-shaped bent leg spring with a contact section, an adjoining spring bow and a clamping leg opposite the contact section and adjoining the spring bow.
  • the contact leg rests on a bottom section of the stamped part.
  • the clamping leg is oriented towards the cover section of the stamped part to form a clamping point for clamping an electrical conductor.
  • an operating tool can be placed on the clamping leg through an opening in the insulating material housing in order to move it away from the cover section of the stamped part.
  • US 2008/286996 A1 shows a conductor connection contact element, according to the preamble of claim 1, with a busbar piece and a U-shaped bent clamping spring.
  • the busbar piece has a slot-like recess on the side wall, via which the clamping spring is accessible and can be acted upon with an actuating tool.
  • DE 20 2014 106 181 U1 describes an LED connection terminal which has an integrally formed housing provided with at least one pressure part and at least one conductive metal contact unit located in the interior of the housing.
  • the clamping spring designed as an elastic metal strip, has a rolling strip which protrudes laterally and upward from an opening of the busbar piece designed as a hollow metal body in order to be acted upon by a pressure part of the surrounding housing.
  • JP 2015-15112 A discloses an electrical connector for mounting on a circuit board and for connecting an electrical conductor to the circuit board.
  • the connecting terminal has a connection body for mechanical connection to the circuit board, a first contact section for a press contact with a conductor inserted into the connection body, and a Actuating section which is implemented integrally with the connection body and which is actuated in the direction of the printed circuit board in order to distance the first contact section from the conductor.
  • the object of the present invention is to create an improved conductor connection contact element for clamping on an electrical conductor.
  • a conductor routing area adjoining the clamping section be formed on the first side wall.
  • the conductor guide area is a section of the first side wall which is oriented obliquely in the direction of the opposite second side wall.
  • the conductor connection contact element is designed with the aid of the actuation section on the clamping section in such a way that the clamping point for clamping an electrical conductor can be opened by applying force to the actuation section with the aid of an actuation tool.
  • the clamping edge of the clamping section which lies next to the actuating section, is moved away from the cover section of the busbar piece.
  • an electrical conductor is moved towards the clamping edge and prevents the conductors as a whole or, if applicable, strands of a finely stranded electrical conductor from getting into the area of the actuating section.
  • this conductor guide area on the first side wall is thus a section of the side wall is provided for guiding an electrical conductor to be clamped towards the clamping edge.
  • the actuating section of the clamping spring which has clamping and actuating sections arranged next to one another, is also covered when viewed in the conductor insertion direction. This creates a very compact and reliable conductor connection contact element, the clamping point of which can be displaced in the direction of the bottom section with an operating tool in order to open the clamping point.
  • the actuation section can have an actuation tab protruding laterally from the first side wall. This does not rule out that the actuation section has a further actuation tab which also protrudes laterally from the clamping section on the opposite side.
  • An actuating tool can be attached to the conductor connection contact element through the actuating tab protruding from the side wall.
  • the operating tool is placed on the operating tab and a force is exerted on the operating tab to open the clamping point.
  • the operating tool is preferably a screwdriver, but it can also be a user's finger.
  • the conductor connection contact element can have an opening on the first side wall for the actuating tab to pass through.
  • the conductor routing area is oriented so as to point away from the end edge of the first side wall which delimits the opening and which is opposite the conductor routing area. This prevents an electrical conductor to be clamped, which is inserted into the conductor entry channel, as a whole or with its strands from hitting the front edge of the first side wall exposed through the opening.
  • the conductor guide area thus keeps the opening with the front edges delimiting the opening free of an electrical conductor that has been introduced and clamped.
  • the conductor guide area can be designed as a material tongue of the first side wall which is directed obliquely in the direction of the second side wall and towards the clamping section.
  • the material tongue is not connected to the bottom section and the cover section. Rather, the material tongue is exposed from the bottom section and the cover section.
  • the material tongue can lie in the space between the cover section and the clamping section, so that the clamping spring is positioned between the bottom section and the material tongue.
  • a free space for the clamping spring is provided between the base section and the cover section, which space is partially closed with the at least one material tongue in order to provide a conductor guide.
  • the actuating section can have an actuating tab extending in the direction of the plane of the cover section. This actuating tab is then arranged offset in the direction of extent of the clamping section next to the clamping edge. In this way, the point of application for actuation is shifted towards the top on the cover section of the conductor connection contact element.
  • the actuation section has an actuation tab which is arranged laterally in an opening in the first side wall, which is shown in FIG The conductor insertion direction is arranged behind the exposed end of the material tongue and is accessible from the outside.
  • an end stop can be formed by a material flap bent from a side wall, from the bottom section or from the cover section.
  • the sheet metal part of the busbar section can thus be reshaped in a very simple manner in such a way that a conductor collecting pocket is formed.
  • flaps of material facing one another are bent from both walls in order to form an end stop.
  • the contact section can be clamped between the side walls and the bottom section.
  • the clamping spring can thus be clamped onto the busbar piece in a simple manner and fixed in position there.
  • the contact section is fixed in position on the busbar piece with a fixing section protruding from the contact section into an opening of the bottom section or with a fixing section protruding from the bottom section into an opening of the contact section.
  • the fixing section can be a tab or an embossing or the like. In this way, after the clamping spring has been hooked into the busbar piece, the clamping spring can be prevented from slipping in a simple manner.
  • the clamping spring can have a spring bow connecting the contact section to the clamping section and can thus be designed, for example, as a leg spring bent in a U-shape.
  • a conductor guide plane is then bent off in the direction of the opposite side wall in front of the spring arch.
  • This conductor routing level is located in front of the spring arch and in the conductor insertion direction serves to lead an electrical conductor past the spring arch to the clamping section.
  • the conductor routing plane is oriented obliquely in the conductor insertion direction towards the cover section. This conductor routing level can be created quite easily from the sheet metal part by bending a section from the side wall.
  • the cover section or the bottom section can have a solder connection area.
  • This solder connection area can be, for example, a solder connection lug exposed from the cover section or bottom section. It is also conceivable, however, that parts of the cover section or bottom section themselves are used for soldering on a circuit board.
  • An overload stop bracket which extends in the direction of the opposite side wall and which is positioned in the space between the clamping section and the bottom section can protrude from one side wall.
  • Such a tab can also be very easily formed out of the sheet metal part by being bent over in a section of the side wall that forms a lateral opening into the interior of the cage-shaped conductor connection contact element.
  • Figure 1 shows a perspective view of a first embodiment of a conductor connection contact element 1, which is formed from a busbar piece 2 and a clamping spring 3 inserted therein.
  • the busbar piece 2 is formed in the shape of a cage from a sheet metal part. It has a first side wall 4 and an opposite, second side wall 5. These two side walls 4 and 5 are connected to one another via a cover section 6.
  • the cover section 6 is formed integrally with the two side walls 4 and 5 by bending them.
  • the busbar piece 2 Opposite to the cover section 6, the busbar piece 2 has a bottom section 7, which also extends from the first side wall 4 to the second side wall 5.
  • the bottom section 7 is formed by folding over the second side wall 5 and abuts the first side wall 4. It is therefore not connected to the first side wall 4 in a materially bonded manner.
  • the clamping spring 3 is designed as a U-shaped bent leg spring with a contact section 9 supported on the base section 7, an adjoining spring bow 10 and a clamping section 11 protruding in the conductor insertion direction L, ie in the direction of the conductor insertion channel 8 or obliquely into this conductor insertion channel 8 .
  • the clamping section 11 extends with its freely movable end towards the cover section 6.
  • the first side wall 4 has an opening 12 for the passage of an actuating tab 13 protruding laterally from the clamping section 11.
  • the clamping section 11 can be displaced in the direction of the contact section 9 against the spring force of the clamping spring 3. In this way, a clamping point formed between a clamping edge of the clamping section 11 and the busbar piece 2 is opened for clamping an electrical conductor.
  • the clamping spring 3 is also fixed in position on the busbar piece 2.
  • This positional fixing is also achieved by a trough or opening 16 in the contact section 9, into which an embossing of the bottom section 7 dips.
  • the contact section 9 can also be welded, riveted, screwed or otherwise fastened to the base section 7. It is also conceivable that a fixing section, e.g. in the form of a tab, is set off from the contact section 9 and protrudes into an opening in the bottom section 7.
  • conductor guide planes 17 are bent off from both side walls 4 and 5 in the area immediately in front of the spring bow 10. These sheet metal sections of the conductor rail section 2, which form a conductor guide, are oriented at an angle in the conductor insertion direction L towards the cover section 6. This creates a funnel-shaped conductor insertion channel 8 in which an electrical conductor is guided past the spring bow 10 at least in the lower region to the inclined plane of the clamping section 11.
  • the conductor guide plane 17 is formed only from a sheet metal part bent from one side wall 4 or 5, which is then attached to the opposite side wall adjoins and extends up to this side wall.
  • the cover section 6 has narrower tabs 18a, 18b exposed from the cover section 6 at the opposite end regions, which are used to connect the busbar section 2 during manufacture in the production tool.
  • the soldering of the contact on the circuit board takes place on the underside of the base section 7.
  • the upper side of the cover section 6 is required as a flat suction surface for an automatic circuit board assembly with a suction gripper.
  • the conductor connection contact element 1 can, however, under certain circumstances also be placed with the cover section 6 on a circuit board and soldered there with the tabs 18a, 18b with conductor tracks on the circuit board.
  • the lugs 18a, 18b then form solder connection areas.
  • an end stop 19 is formed by a material flap bent from at least one of the side walls 4, 5. It becomes clear that a flap of material is bent from the first side wall 4 to form the end stop 19 in the direction of the opposite second side wall 5.
  • Figure 2 omits a side view of the conductor connection contact element 1 Figure 1 recognize. It becomes clear that the overload stop bracket 15 directly adjoins the contact section 9. A movement of the clamping spring 3 in the conductor insertion direction L is thus prevented.
  • the conductor routing plane 17, viewed in the conductor insertion direction L, is placed in front of the arched spring 10 and aligned at an angle that the conductor routing plane 17 indicated by the kink is continued approximately above the transition between the arched spring 10 and the adjoining clamping section 11. Becomes an electrical conductor thus safely guided to the plane of the clamping section 11 without hitting the spring bow 10.
  • the conductor guide area 14 formed on the first side wall 4 then extends at a distance from this. This area is shaped from the first side wall 4 in the direction of the opposite second side wall 5. It is materially connected to the first side wall 4 and can be cut free from the first side wall 4 in partial areas, for example in the upper section.
  • the actuation tab 13 present on the actuation section protrudes laterally out of the opening 12 and the opening 12 enables an unimpeded movement of the clamping section 11 in the direction of the contact section 9 for opening the clamping point.
  • the overload stop bracket 15 is also not in the way of the actuating bracket 13. Rather, the overload stop is provided by the area with the clamping edge that adjoins the actuating tab.
  • Figure 3 omits a side sectional view of the conductor connection contact element 1 Figure 2 recognize. It becomes clear here that the inside of the cover section 6 has impressions 20 with which clamping projections 21 are formed. It can also be seen that the clamping section 11 has a clamping edge 22 at its freely movable end which, in the idle state shown, rests against the inside of the cover section 6 without an inserted electrical conductor. It ends, for example, at such a clamping projection 21. An electrical conductor inserted and clamped between the clamping edge 22 and the clamping projection 21 is thus clamped to the busbar section 2 by the clamping force of the clamping spring 3 with optimal surface pressure and reduced contact resistance. The clamping force of the clamping spring 3 is concentrated on the reduced area of the clamping projection 21, so that the force acting per unit area (surface pressure) is increased.
  • the inclined conductor guide plane 17, which leads past an electrical conductor past the subsequent spring bow 10 can be seen in the front, end-open area of the conductor insertion channel 8, as well as the end stop 19 at the opposite end of the busbar section 12. It is also clear that the spring bow 10 extends outwards (downwards in the figure) with respect to the inside of the base part 7 and is thus arranged in an area between the planar section of the base part 7 and the conductor guide plane 17.
  • Figure 4 shows a perspective view of the busbar section 2 without a clamping spring.
  • the embossing 23 on the bottom section 7 becomes clear. This is designed as a part-circular elevation.
  • the opening 12 viewed in the conductor insertion direction L, is delimited by an end edge 24 which is located above the overload stop bracket 15.
  • the conductor guide area 14 is designed in front of the end edge 24 as a section of the first side wall which is inclined to the second side wall 5.
  • the conductor guide area 14 is thus oriented away from the end edge 24 of the first side wall 4 which delimits the opening 12 and is opposite the conductor guide area 14.
  • Figure 5 leaves out a perspective view of the clamping spring 3 for the conductor connection contact element 1 Figures 1 to 3 recognize.
  • the clamping section 11 has a clamping edge 22 over the essential part of its width, to which an actuating section with the laterally protruding actuating tab 13 is connected laterally.
  • the actuating section with the actuating tab 13 is thus positioned next to the area of the clamping edge 22, ie on the side edge of the clamping section 11, as seen transversely to the direction of longitudinal extent of the clamping section 11.
  • Figure 6 shows a perspective view of a second exemplary embodiment of a conductor connection contact element 1.
  • the conductor connection contact element 1 is in turn formed from a busbar piece 2 and a clamping spring 3.
  • the clamping spring 3 is designed as a leaf spring extending from a base section 7 to the opposite cover section 6. This leaf spring rests with its contact section 9 on the base section 7 in the section of the conductor guide area 14 on the input side. An electrical conductor is inserted from this front side into the again cage-shaped busbar section 2.
  • two opposing and spaced apart side walls 4 and 5 are again bent from a sheet metal part of the cover section 6, to which the bottom section 7 extends transversely between the side wall sections 4 and 5 and is spaced apart from the cover section 6.
  • Seen in the conductor insertion direction L are at least on the first side wall 4 and, in the exemplary embodiment shown, conductor guide areas 34 are present on both side walls 4 and 5.
  • These conductor guide areas 34 are designed as material tongues which are oriented obliquely in the direction of the respective opposite side wall 5, 4 and onto a clamping section or the freely movable end of the clamping section 11 of the clamping spring 3, and which adjoin the respective side wall 4, 5 in a materially bonded manner.
  • the material tongues are formed from the side wall 4 in that the end faces of the material tongues facing the base section 7 and the cover section 6 are exposed from the adjoining base section 7 and cover section 6, respectively.
  • first side wall 4 again laterally has an opening 12 into which an actuating section 35 on the clamping section 11 of the clamping spring 3 protrudes.
  • a clamping point formed between the clamping section 11 and the cover section 6 for clamping an electrical conductor can be opened by an operating tool pushing the operating section 35 and exerting an operating force in the direction of the bottom section 7 on the clamping section 11.
  • Figure 7 shows a side view of the conductor connection contact element 1. It becomes clear that the cover section 6 has a contact projection 37 in the area of the clamping edge 36 of the clamping spring 3 at the free end of the clamping section 11. This is formed by folding or embossing the otherwise flat cover section 6 in the direction of the bottom section 7. A clamping point for clamping an electrical conductor is thus formed between the contact projection 37 and the clamping edge 36.
  • the material tongues 34 are integrally formed with the side wall 4 and are positioned obliquely inward into the conductor entry channel 8. They point to the clamping section 11 of the clamping spring 3.
  • the side wall 4 is provided with an opening 12 in the area between the free end of the material tongue 34 and a rear (left in the picture) area, through which the clamping section 11 is accessible.
  • Figure 8 omits a side sectional view of the conductor connection contact element 1 Figure 7 recognize. From this it is again clear that a contact projection 37 is formed on the cover section 6 so as to protrude into the interior of the busbar section 2.
  • the freely movable end of the clamping section 11 of the clamping spring 3 with its clamping edge 36 rests directly behind the clamping projection 37 in the idle state shown without a clamped-on electrical conductor.
  • the position of the clamping projection 37 is aligned with the clamping edge 36 such that when an electrical conductor is clamped, the clamping force of the clamping spring 3 acting on the electrical conductor clamps the clamped electrical conductor on the clamping projection 37.
  • the clamping force of the clamping spring 3 is thus concentrated on the clamping projection 37 and the electrical conductor may be bent slightly behind the clamping projection 37 in order to produce a form fit between the electrical conductor and the clamping edge 37.
  • clamping section 11 starting from the contact section 9, initially tapers conically in order to then merge again into a widening section with the laterally protruding actuating tabs 35.
  • Figure 10 shows a third embodiment of a conductor connection contact element 1, which in turn is formed from a busbar piece 2 and a clamping spring 3.
  • the clamping spring 3 is designed as a U-shaped leg spring with a contact section 9, an adjoining spring bow 10 and a clamping section 11 adjoining the spring bow 10.
  • the contact section 9 is supported on the bottom section 7 of the busbar section 2.
  • the busbar piece 2 is designed in the shape of a cage in order to be able to communicate with the cover and base sections lying opposite one another 6, 7 and the first and second side walls 4, 5 laterally connecting these cover and base sections 6, 7 to delimit a conductor entry channel 8.
  • a material tongue 34 which is embodied in a materially bonded manner with the first side wall, is oriented towards the opposite second side wall 5 in order to form a conductor routing region in the interior of the conductor insertion channel 8.
  • This material tongue 34 i.e. the conductor guide area, is located between the cover section 6 and the clamping section 11, so that the clamping spring is arranged between the material tongue 34 and the bottom section 7.
  • the opening 12 is designed in such a way that the clamping section 11 can be moved in the direction of the contact section 9 for opening a clamping point for an electrical conductor formed between the clamping edge 41 and the inner wall of the cover section 6.
  • the cover section 6 has, for example, a partially circular widened grip section 43 which provides a platform for a suction and gripping tool of an assembly robot and / or can be used as a solder connection area. It is also clear that the two side walls 4, 5 have material flaps 44 facing one another in their end region in order to form an end stop. A ladder collection pocket is thus provided. In the area of these conductor collecting pockets there is no cover section 6, so that a viewing window is formed for checking the state of insertion of an inserted conductor.
  • Figure 11 shows a perspective side view of the conductor connection contact element 1 from Figure 10 from the opposite side with a view of the second side wall 5. It can be seen here that this side wall 5 has no opening and no conductor guide section which is placed in the conductor insertion opening 8.
  • cover section 6 and the bottom section 7 are materially connected to the second side wall 5 by folding or bending over.
  • Figure 12 omits a side view of the conductor connection contact element 1 Figure 10 recognize with a view of the first side wall 4. It becomes clear that this first side wall 4 has an opening 12 through which the actuating section of the clamping spring 3 passes. The actuating tab 42 projects beyond the opening to such an extent that it is positioned next to the first side wall 4 adjoining the opening 12.
  • Figure 13 omits a side sectional view through the conductor connection contact element 1 Figure 12 recognize. It becomes clear here that the floor section 7 has a fixing opening 46 which adjoins the end of the contact section 9 of the clamping spring 3.
  • Figure 14 shows a perspective side sectional view through the conductor connection contact element 1 from Figure 10 . It can be seen that, as in the first exemplary embodiment, an inclined conductor guide plane 17 is formed in front of the spring bow 10. This is formed in one piece with the busbar element 2 as a material section bent from at least one side wall 4, 5.
  • the fixing of the position of the clamping spring 3 on the busbar piece 2 succeeds in this exemplary embodiment with a fixing section designed as a tab 45 on the contact section 9.
  • This tab 45 dips into a fixing opening 46 in the bottom section 7.
  • the contact section 9 otherwise lies exactly like the clamping section 11 on the inside of the second side wall 5 in order to prevent tilting or twisting.
  • Figure 15 omits a perspective view of the busbar section 2 of the conductor connection contact element 1 Figures 10 to 14 recognize.
  • the conductor guide plane 17 is formed from two material flaps which are each bent off from the first and second side walls 4, 5 and positioned at an angle in the direction of the cover section 6.
  • the material tongue 34 which forms a conductor guide area and is inclined to the second side wall 5, is arranged between the base part 7 and the cover part 6.
  • FIG 16 leaves a perspective view of the clamping spring 3 of the third embodiment of FIG Figures 10 and 11 a conductor connection contact element 1 recognize. It becomes clear here that the leash forming the fixing section 45 is bent off adjacent to a side edge of the contact section 9. This tab 45 is thus located below the clamping edge 41 of the clamping section 11 of the clamping spring 3. In this exemplary embodiment, the tab 45 is not arranged in a more central area of the contact section 9. However, this is also possible as an option.
  • actuating tab 42 is positioned next to the clamping edge 41, seen transversely to the direction of longitudinal extent of the clamping section 11, and protrudes beyond the end region formed by the free end region of the clamping edge 41.
  • the actuation area is thus shifted upwards, i.e. in the direction of the cover section 6 and away from the base section 7.
  • FIG. 4 shows a perspective view of a fourth embodiment of a conductor connection contact element 1. This is a variant of the first embodiment that has been modified in detail, so that it is essentially based on the description of FIG Figures 1 to 5 can be referenced.
  • the end stop 19 is bent over from the second side wall 5 in the direction of the first side wall 4 and in this transverse section has a guide surface 47 protruding towards the bottom section 7.
  • the overload stop bracket 15 present in the first embodiment is not present in this embodiment.
  • the lower edge 48 of the first side wall 4 delimiting the opening 12 provides an overload stop at a suitable height.
  • first side wall 4 provides a support surface 49 in the area adjacent to the conductor routing area 14 and between the conductor routing area 14 and the conductor routing plane 17, on which the clamping spring 3 rests in the illustrated idle state for positional stabilization.
  • the clamping section 11 of the clamping spring 3 rests shortly behind the spring arch 10 on the support surface 49 designed as an arch of the side wall 4.
  • Figure 18 omits a side view of the conductor connection contact element 1 Figure 17 recognize.
  • the support surface 49 is designed as an area directly adjoining the conductor routing area 14, which merges into a subsequent bay formed by an arc-like contour up to the conductor routing plane 17.
  • actuating tab 13 extends further away in the direction of the cover section 6 and is curved back slightly downwards in the direction of the bottom section 7.
  • the actuating tab 13 is then arranged with part of its length next to the side wall 4 and thus extends beyond the opening 12. The actuating tab 13 is thus significantly lengthened compared to the first embodiment.
  • a receiving mandrel 50 protrudes from the second side wall 5 in the direction of the opening 12 or the plane of the first side wall 4.
  • This receiving mandrel 50 is arranged adjacent to the spring bow 10 of the clamping spring 3, so that the receiving mandrel 50 is positioned between the clamping section 11 and the contact section 9 in the area of the spring bow or the spring root.
  • Figure 19 leaves a side sectional view of the conductor connection contact element 1 off Figure 18 recognize.
  • the receiving mandrel 50 which is positioned in the spring arch 10 between the adjoining clamping section 11 and the contact section 9, becomes clearer again here.
  • the conductor receiving pocket with the end stop 19 and the guide section 47, which is directed opposite to the conductor insertion direction L in the direction of the base section 7, can also be seen.
  • the freely movable end of the clamping section 11, on which the clamping edge 22 is formed is slightly bent in the direction of the cover section 6, so that the clamping section 11 starting from the spring bend 10 after a first bend at a first acute angle towards the cover section 6 is aligned and is aligned in its end region with a second acute angle to the cover section 6.
  • the second acute angle is larger than the first acute angle.
  • Figure 20 shows a perspective view of the busbar section 2.
  • Figure 4 it becomes clear that on the first side wall 4 there is a marginal edge 48, the opening 12 opposite to the conductor insertion area 14, which limits the opening 12 towards the base section 7. It can be used as an overload stop.
  • bottom section 7 is formed in partial areas from sheet metal sections folded down from the second side wall 5 and, on the other hand, from sheet metal sections folded down from the first side wall 4, which adjoin one another.
  • Figure 21 leaves out a perspective view of the clamping spring 3 for the conductor connection contact element 1 Figures 17 to 19 recognize.
  • the actuating tab 13 on the clamping section 1 is next to the side the clamping edge 22 is arranged.
  • the actuating tab 13 is exposed by the clamping edge 22 and is bent back slightly downwards with a curved contour in the direction of the plane of the contact section 7.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Connections Arranged To Contact A Plurality Of Conductors (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Connection Or Junction Boxes (AREA)

Claims (14)

  1. Elément de contact de raccordement de conducteur (1) pour connecter par serrage un conducteur électrique, comportant une pièce de barre conductrice (2) qui est formée d'une pièce en tôle ayant une première paroi latérale (4) et une deuxième paroi latérale (5) opposée à la première paroi latérale (4), une portion de fond (7) s'étendant de la première paroi latérale (4) à la deuxième paroi latérale (5) opposée, et une portion de recouvrement (6) opposée à la portion de fond (7) et s'étendant de la première paroi latérale (4) à la deuxième paroi latérale (5) opposée, les parois latérales (4, 5) délimitant avec la portion de fond (7) et avec la portion de recouvrement (6) un canal d'insertion de conducteur (8), et comportant un ressort de serrage (3) qui est disposé sur la pièce de barre conductrice (2) et qui présente, au niveau d'une première zone d'extrémité, une portion d'appui (9) et, au niveau d'une deuxième zone d'extrémité opposée à la première zone d'extrémité, une portion de serrage (11) ayant un bord de serrage (22, 36, 41) pour serrer le conducteur électrique, la portion d'appui (9) étant disposée sur la portion de fond (7) de la pièce de barre conductrice (2), la portion de serrage (11) ayant son extrémité librement mobile s'étendant vers la portion de recouvrement (6), et, vu transversalement à la direction d'enfichage de conducteur (L) de la portion de serrage (11), une portion d'actionnement accessible à un outil d'actionnement est prévue à côté du bord de serrage (22, 36, 41) en direction de la paroi latérale (4), caractérisé en ce qu'une zone de guidage de conducteur (14, 34) adjacente à la portion de serrage (11) est formée sur la première paroi latérale (4), la zone de guidage de conducteur (14, 34) étant une portion de la première paroi latérale (4) orientée en oblique en direction de la deuxième paroi latérale opposée (5).
  2. Elément de contact de raccordement de conducteur (1) selon la revendication 1, caractérisé en ce que la portion d'actionnement est réalisée sous forme de pattes d'actionnement (13, 35), l'une faisant saillie latéralement de la portion de serrage (11) du ressort de serrage et l'autre faisant saillie latéralement de la première paroi latérale (4).
  3. Elément de contact de raccordement de conducteur (1) selon la revendication 2, caractérisé en ce que la première paroi latérale (4) présente une ouverture (12) pour le passage de la patte d'actionnement (13, 35, 42), et
    en ce que la zone de guidage de conducteur (14, 34) est orientée de manière à être dirigée en éloignement du bord frontal (24) de la première paroi latérale (4) qui délimite l'ouverture (12) et qui se trouve en face de la zone de guidage de conducteur (14, 34).
  4. Elément de contact de raccordement de conducteur (1) selon la revendication 1, caractérisé en ce que la zone de guidage de conducteur (14, 34) est réalisée sous forme de languette de matériau (34) de la première paroi latérale (4) orientée en oblique en direction de la deuxième paroi latérale (5) et vers la portion de serrage (11).
  5. Elément de contact de raccordement de conducteur (1) selon l'une des revendications 1 à 4,
    caractérisé en ce que la portion d'actionnement comporte une patte d'actionnement (42) s'étendant en direction du plan de la portion de recouvrement (6).
  6. Elément de contact de raccordement de conducteur (1) selon la revendication 4, caractérisé en ce que la portion d'actionnement comprend une patte d'actionnement (13, 35) disposée latéralement dans une ouverture (12) accessible de l'extérieur dans la première paroi latérale (4), derrière l'extrémité dégagée de la languette de matériau (34), vue dans la direction d'enfichage de conducteur (L).
  7. Elément de contact de raccordement de conducteur (1) selon l'une des revendications précédentes,
    caractérisé en ce qu'à l'extrémité arrière de la pièce de barre conductrice (2), opposée au canal d'insertion de conducteur (8), une butée de fin de course est formée par un rabat de matériau (19, 44) replié à partir d'une paroi latérale (4, 5), de la portion de fond (7) ou de la portion de recouvrement (6).
  8. Elément de contact de raccordement de conducteur (1) selon la revendication 7, caractérisé en ce que des rabats de matériau (19, 44) orientés l'un vers l'autre sont repliés à partir des parois latérales (4, 5) et forment la butée de fin de course.
  9. Elément de contact de raccordement de conducteur (1) selon l'une des revendications précédentes,
    caractérisé en ce que la portion d'appui (9) est serrée entre les parois latérales (4, 5) et la portion de fond (7).
  10. Elément de contact de raccordement de conducteur (1) selon l'une des revendications 1 à 8,
    caractérisé en ce que la portion d'appui (9) est fixée en position sur la pièce de barre conductrice (2) au moyen d'une portion de fixation faisant saillie de la portion d'appui (9) jusque dans une ouverture (46) de la portion de fond (7) ou au moyen d'une portion de fixation faisant saillie de la portion de fond (7) jusque dans une ouverture (19) de la portion d'appui (9).
  11. Elément de contact de raccordement de conducteur (1) selon la revendication 10,
    caractérisé en ce que la portion de fixation est une patte (45) ou une empreinte (23).
  12. Elément de contact de raccordement de conducteur (1) selon l'une des revendications précédentes,
    caractérisé en ce que le ressort de serrage (3) présente un coude de ressort (10) reliant la portion d'appui (9) à la portion de serrage (11), et
    en ce que depuis au moins une paroi latérale (4, 5), un plan de guidage de conducteur (17) disposé devant le coude de ressort (10), vu dans la direction d'enfichage de conducteur (L), est replié en direction de la paroi latérale opposée (4, 5), le plan de guidage de conducteur (17) étant orienté en oblique dans la direction d'enfichage de conducteur (L) vers la portion de recouvrement (6).
  13. Elément de contact de raccordement de conducteur (1) selon l'une des revendications précédentes,
    caractérisé en ce que la portion de recouvrement (6) ou la portion de fond (7) présente une zone de raccord à souder (18a, 18b).
  14. Elément de contact de raccordement de conducteur (1) selon l'une des revendications précédentes,
    caractérisé en ce qu'une patte de butée de surcharge (15) s'étendant en direction de la paroi latérale opposée (5, 4) fait saillie d'une paroi latérale (4, 5) et est positionnée dans l'espace entre la portion de serrage (11) et la portion de fond (7).
EP16763745.3A 2015-09-18 2016-09-05 Élément de contact de borne de conducteur Active EP3350883B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP21209297.7A EP3979425A1 (fr) 2015-09-18 2016-09-05 Élément contact de borne de ligne
EP21184466.7A EP3910741A1 (fr) 2015-09-18 2016-09-05 Élément de contact de raccordement de conducteur
PL16763745T PL3350883T3 (pl) 2015-09-18 2016-09-05 Element stykowy przyłącza przewodu

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015115791.8A DE102015115791B4 (de) 2015-09-18 2015-09-18 Leiteranschlusskontaktelement
PCT/EP2016/070831 WO2017045952A1 (fr) 2015-09-18 2016-09-05 Élément de contact de borne de conducteur

Related Child Applications (3)

Application Number Title Priority Date Filing Date
EP21209297.7A Division EP3979425A1 (fr) 2015-09-18 2016-09-05 Élément contact de borne de ligne
EP21184466.7A Division-Into EP3910741A1 (fr) 2015-09-18 2016-09-05 Élément de contact de raccordement de conducteur
EP21184466.7A Division EP3910741A1 (fr) 2015-09-18 2016-09-05 Élément de contact de raccordement de conducteur

Publications (2)

Publication Number Publication Date
EP3350883A1 EP3350883A1 (fr) 2018-07-25
EP3350883B1 true EP3350883B1 (fr) 2021-11-03

Family

ID=56920688

Family Applications (3)

Application Number Title Priority Date Filing Date
EP21184466.7A Withdrawn EP3910741A1 (fr) 2015-09-18 2016-09-05 Élément de contact de raccordement de conducteur
EP16763745.3A Active EP3350883B1 (fr) 2015-09-18 2016-09-05 Élément de contact de borne de conducteur
EP21209297.7A Pending EP3979425A1 (fr) 2015-09-18 2016-09-05 Élément contact de borne de ligne

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP21184466.7A Withdrawn EP3910741A1 (fr) 2015-09-18 2016-09-05 Élément de contact de raccordement de conducteur

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP21209297.7A Pending EP3979425A1 (fr) 2015-09-18 2016-09-05 Élément contact de borne de ligne

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US (2) US10297931B2 (fr)
EP (3) EP3910741A1 (fr)
JP (2) JP6665280B2 (fr)
KR (1) KR102646774B1 (fr)
CN (2) CN108028473B (fr)
DE (1) DE102015115791B4 (fr)
PL (1) PL3350883T3 (fr)
TW (2) TWI703782B (fr)
WO (1) WO2017045952A1 (fr)

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Publication number Publication date
WO2017045952A1 (fr) 2017-03-23
TW201712956A (zh) 2017-04-01
EP3979425A1 (fr) 2022-04-06
EP3350883A1 (fr) 2018-07-25
JP2018527720A (ja) 2018-09-20
PL3350883T3 (pl) 2022-03-21
CN108028473B (zh) 2021-05-07
TWI703782B (zh) 2020-09-01
CN113285246A (zh) 2021-08-20
KR102646774B1 (ko) 2024-03-13
CN108028473A (zh) 2018-05-11
EP3910741A1 (fr) 2021-11-17
KR20180053299A (ko) 2018-05-21
DE102015115791B4 (de) 2017-05-04
US10658767B2 (en) 2020-05-19
TWI619318B (zh) 2018-03-21
CN113285246B (zh) 2024-02-23
TW201820705A (zh) 2018-06-01
JP6665280B2 (ja) 2020-03-13
US20190229441A1 (en) 2019-07-25
DE102015115791A1 (de) 2017-03-23
JP2020098797A (ja) 2020-06-25
JP6932802B2 (ja) 2021-09-08
US10297931B2 (en) 2019-05-21
US20180212342A1 (en) 2018-07-26

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