EP2678904B1 - Pièce métallique pour un dispositif de connexion électrique - Google Patents

Pièce métallique pour un dispositif de connexion électrique Download PDF

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Publication number
EP2678904B1
EP2678904B1 EP12712058.2A EP12712058A EP2678904B1 EP 2678904 B1 EP2678904 B1 EP 2678904B1 EP 12712058 A EP12712058 A EP 12712058A EP 2678904 B1 EP2678904 B1 EP 2678904B1
Authority
EP
European Patent Office
Prior art keywords
leg
side wall
metal part
clamping
spring
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
EP12712058.2A
Other languages
German (de)
English (en)
Other versions
EP2678904A2 (fr
Inventor
Bernd Wilinski
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.)
Phoenix Contact GmbH and Co KG
Original Assignee
Phoenix Contact GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Phoenix Contact GmbH and Co KG filed Critical Phoenix Contact GmbH and Co KG
Publication of EP2678904A2 publication Critical patent/EP2678904A2/fr
Application granted granted Critical
Publication of EP2678904B1 publication Critical patent/EP2678904B1/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
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49117—Conductor or circuit manufacturing
    • Y10T29/49204—Contact or terminal manufacturing

Definitions

  • the invention relates to a metal part for an electrical connection device for connecting a stripped conductor end, with a base leg, a substantially perpendicular thereto arranged contact legs and at least one side wall, wherein the contact legs together with a clamping leg of a clamping spring forms a Federkraftklemman gleich for an electrical conductor to be connected.
  • the invention also relates to a method for producing such a metal part, as well as a connection device and an electrical terminal for connecting a stripped conductor end, with acting as a compression spring on the conductor end, a clamping leg and a plant leg having clamping spring and a metal part.
  • the terminals can be designed to connect an electrical conductor to a circuit board as a so-called print terminal or for connection to another conductor as a terminal block.
  • clamping springs both loop-shaped clamping springs, so-called tension spring terminals, as well as U-shaped or V-shaped clamping springs are used in the rigid conductor or provided with a wire end conductor directly, d. H. without the need to open the nip previously with a tool, can be plugged.
  • the conductor to be connected pulled by the clamping leg against a busbar.
  • U-shaped or V-shaped clamping springs the conductor to be connected is pressed by the clamping leg of the compression spring acting as a compression spring against the busbar or a portion of the metal part.
  • connection terminals with a compression spring acting as a compression spring in addition to a housing usually made of plastic at least one arranged and held in the interior of the housing connecting device, which consists of a clamping spring and a metal part.
  • the U-shaped or V-shaped clamping spring has a clamping leg and a plant leg, wherein the clamping leg together with a region of the metal part forms a spring terminal connection for the connected, inserted into the electrical terminal stripped electrical conductor.
  • the metal part is initially used to transfer a current between the contact point with the electrical conductor and a second contact point, which may be, for example, a contact point to a circuit board or a contact point to a second conductor.
  • the metal part thus serves to transmit a current from a first electrical conductor, which is connected to a first spring terminal connection, to a second conductor connected to a second spring terminal connection.
  • the metal part is usually also used to hold the clamping spring and in particular for lateral guidance of the inserted conductor, to which the metal part in addition to the base leg and the contact leg at least one substantially perpendicular thereto side wall having a lateral pushing out of the stripped conductor end prevents the area of the nip.
  • the metal part consists of a relatively large-scale side wall, from which a contact leg, a base leg and a plant leg are bent on three different sides of the side wall.
  • the contact leg forms together with the clamping leg of the clamping spring the Federkraftklemman gleich for an electrical conductor to be connected.
  • the plant leg of the clamping spring abuts against the contact leg opposite the plant leg of the metal part, whereby the clamping spring is held by the metal part.
  • An additional support and fixation of the clamping spring erfogt by means of a pin formed in the housing. About the perpendicular to the contact leg base leg, the transmission of the current from the conductor introduced in the contact point takes place to a second contact point.
  • An electrical terminal which has at least one connection device which consists of a clamping spring and a metal part.
  • the metal part is as channel-like, U-shaped trough formed with a base leg and two longitudinal limbs, wherein one end of a longitudinal leg is bent such that the end is perpendicular to the two longitudinal legs and the base leg. This so bent end forms the contact leg, which forms the Federkraftklemman gleich for the electrical conductor to be connected together with the clamping leg of the clamping spring.
  • a similar metal part is also from the DE 20 2007 012 429 U1 known.
  • the metal part has a base leg and two longitudinal limbs bent perpendicularly to it, the contact leg also being formed by the angled end of a longitudinal limb.
  • a reinforced bottom portion is still provided in this metal part by a folded portion of one of the two longitudinal legs and arranged opposite to the underside of the base leg.
  • the EP 0 898 325 A1 discloses an electrical spring clamp with a housing, an approximately S-shaped bent clamping spring and a current bar, wherein in the housing, a conductor insertion opening and an actuating opening for a pusher button are formed.
  • the clamping spring has at its one end leg of a projected through a tongue of the current bar window, between which a front edge and the current bar by means of the spring force, an electrical conductor is fixed.
  • the end leg of the clamping spring In order for a conductor to be connected can be inserted through the window into the spring-loaded terminal, the end leg of the clamping spring must be pressed against its spring force by the pusher button. If the clamping spring is no longer deflected by means of the push button, the end leg springs back upwards, wherein a conductor inserted through the window is pulled from the lower end edge of the window against the lower clamping side of the current bar tongue.
  • the EP 0 898 325 A1 known spring terminal are in addition to a first bend, at the end of which the tongue projecting through the window is formed, bent further bends to the holder of the clamping spring of the main part of the Stombalkens.
  • the known metal parts have in common that they are punched out of a flat metal strip and then by bending individual sections in their finished form will be spent.
  • the disadvantage here is that they require an increased use of materials, which is not determined solely by the required current carrying capacity.
  • the present invention is therefore an object of the invention to provide a metal part described above for an electrical connection device available, which requires the lowest possible material use with good functionality.
  • the contact leg is not bent from a side wall, wherein the side wall itself is bent from the base leg, but bent directly from the base leg.
  • the side wall is not bent from the base leg but from the contact leg.
  • the leg of the contact limb determining the overall height of the metal part is. While in the metal parts according to the prior art in the initial state, ie before bending, the longitudinal extension of the contact leg parallel to the transport direction during punching and bending of the metal part, extends in the metal part according to the invention not only the base leg but also the contact leg perpendicular to the transport direction. Although this increases somewhat the dimension (length) of the metal strip perpendicular to the transport direction, at the same time, however, the dimension (width) of the metal strip in the transport direction can be significantly reduced, resulting in a significant reduction of the material used per metal part.
  • the side wall bent laterally from the contact limb serves as a boundary for the conductor end to be connected, so that the conductor end is not pressed laterally out of the contact point by the clamping limb of the clamping spring. Without the formation of a side wall, this danger would be particularly in flexible, a plurality of individual strands having conductors from which at least individual strands could be pushed past the contact legs.
  • the side wall has a longitudinal extent which is slightly less than the longitudinal extent of the contact leg, wherein the side wall is so connected to the contact leg, that the upper, remote from the base leg end of the contact leg and the upper end of the side wall at about the same height lie.
  • a second side wall is provided, which is bent away from the base leg, wherein the second side wall is arranged on the same side of the metal part as the first side wall.
  • the bending edge between the second side wall and the base leg extends parallel to the longitudinal extension of the second side wall and to the longitudinal extent of the base leg.
  • the mutually facing end portions of the two side walls are formed so that the two side walls are positively connected to each other in the finished state of the metal part.
  • a stabilization of the contact limb bent from the base leg is advantageously achieved so that there is no risk of the contact limb being forced out of its predetermined position by the force of the clamping spring.
  • the end of the second side wall facing away from the first side wall is bent away from the second side wall in such a way that the end lies opposite the contact leg.
  • the bending edge between the second side wall and the end extends perpendicular to the longitudinal extent of the second side wall.
  • the bent end has a length which corresponds approximately to the width of the contact leg and the base leg.
  • the metal part according to the invention can be produced simply as a stamped and bent part from a metal strip, wherein a plurality of metal parts are usually punched out and bent from a larger metal piece. Until the completion of the individual metal parts they are usually connected to each other via transport pieces that support a transport of the metal strip or the metal piece in the transport direction, so that the individual metal parts can be punched and bent freely in several successive steps, while the metal piece is moved in the transport direction.
  • a preferred method for producing a metal part according to the invention from a flat metal strip is disclosed in claim 6.
  • the longitudinal extent of the metal strip required for a metal part is determined essentially by the length of the base leg and the length of the adjoining contact leg, while the width of the metal strip is substantially determined by the width of the contact leg and the first side wall or the - usually the same - width of the base leg and the second side wall is determined.
  • the transport direction in the production of the metal part is perpendicular to the aforementioned longitudinal extension of the metal strip.
  • a second side wall is bent around a bending edge between the second side wall and the base leg, wherein the bending edge parallel to the longitudinal extent of the second side wall and runs perpendicular to the transport direction of the metal strip.
  • the bending of the second side wall may take place before or after the first side wall or the contact leg is bent over. It is advantageous, however, usually when first the contact leg with the already bent first side wall and only then the second side wall is bent, since a simpler positive connection of the two side walls can be achieved with each other.
  • the first side wall facing away from the end of the second side wall is bent by the second side wall until the end of the second side wall is opposite to the contact leg.
  • the bending edge between the second side wall and the end, around which the end of the second side wall is bent extends perpendicular to the longitudinal extent of the second side wall and parallel to the transport direction of the metal strip.
  • the end of the second side wall is bent before the second side wall itself is bent over.
  • the invention also relates to a connection device for connecting a stripped conductor end and an electrical terminal.
  • the connecting device consists of the metal part according to the invention and acting as a compression spring on the conductor end clamping spring, which has a clamping leg and a plant leg, wherein the contact legs of the metal part together with the clamping leg of the clamping spring form a spring terminal connection for an electrical conductor to be connected.
  • the electrical connection terminal also has a housing in which the connection device, ie the metal part and the clamping spring, are arranged.
  • the connection device ie the metal part and the clamping spring
  • at least one conductor insertion opening for insertion of a conductor to be connected and at least one actuating opening are formed in the housing.
  • the actuating opening serves to guide an actuating tool so as to press against the clamping leg of the clamping spring, so that the clamping point open and a connected conductor can be pulled out of the terminal again.
  • an operating tool can be used, for example, the tip of a screwdriver.
  • the opening of the nip is not carried out with the aid of a separate actuating tool but with the aid of an actuating pusher displaceably arranged in the housing.
  • the actuating push-button is arranged in the actuating opening such that it can be displaced from a first position in which the spring-force clamping connection is closed into a second position in which the actuating push-button deflects the clamping leg against the spring force of the clamping spring with its end facing the clamping leg. so that the spring force terminal connection is opened.
  • the actuating handle at least one projection is formed, wherein the actuating handle can be moved into a position in which the projection and the paragraph are locked together so that the actuating handle is held in its second position.
  • actuating push-button If the actuating push-button is in its second position, so that the spring-force clamping connection is open, not only can a connected conductor be pulled out of the electrical connection terminal, but also a flexible conductor can be inserted into the connection terminal.
  • actuating handle is on the DE 10 2008 039 232 A1 directed.
  • the electrical connection terminal has not only one connection device but at least two connection devices.
  • the electrical connection terminal thus serves to connect at least two stripped conductor ends.
  • two clamping springs and functionally at least two metal parts are provided in the housing of the terminal, wherein the metal parts are made of a single flat metal strip. If the connection terminal has two connection devices, the two base legs of the two metal parts are integrally connected to one another. The base legs thus form the middle region of the metal strip, while the two contact legs are arranged at the two opposite ends of the metal strip.
  • the figures show an inventive metal part 1 or individual process steps for its production.
  • the metal part 1 has at least one base leg 2 and at least one contact leg 3 and at least one first side wall 4.
  • the metal part 1 forms together with a - only in Fig. 1 shown - clamping spring 5 an electrical connection device for connecting at least one stripped conductor end, wherein the contact leg 3 of the metal part 1 together with the clamping leg 6 of the clamping spring 5 forms a Federkraftklemman gleich for the conductor to be connected.
  • the acting as a compression spring on the conductor end clamping spring 5 has in addition to the clamping leg 6 on a plant leg 7, so that the clamping spring 5 is formed approximately V-shaped overall.
  • Fig. 2 shown metal part 1 forms together with a clamping spring 5 is a connection device for a stripped conductor, to which the conductor end is pressed by the clamping leg 6 against the contact leg 3.
  • the power transmission from the connected electrical conductor to a second contact point which may be, for example, a contact point to a printed circuit board, then takes place via the metal part 1.
  • the second contact point may also be the clamping point for connecting a second conductor in a second connection device.
  • Such a connecting device is then used for connection and electrical connection of two stripped conductor ends, wherein the connecting devices then two clamping springs 5 and functionally two metal parts 1, 1 ', wherein the two metal parts 1, 1', however, are integrally connected to each other, as in the 4 to 6 is shown.
  • a metal part 1 is shown, to which by means of a contact spring 5 only a stripped conductor can be connected.
  • the base leg 2 continues on the side facing away from the contact leg 3, ie whether the base leg 2 with the base leg of a second metal part 1 'according to Fig. 4 or, for example, connected to a connection pin for a printed circuit board, is irrelevant to the design of the metal part 1.
  • the contact leg 3 is connected directly via a bending edge 8 with the base leg 2, wherein the bending edge 8 extends between the contact leg 3 and the base leg 2 perpendicular to the longitudinal extension of the contact leg 3 and the base leg 2 ,
  • the contact leg 3 thus directly adjoins the one end of the base leg 2, so that the base leg 2 and the contact leg 3 extend in the same direction before bending.
  • the first side wall 4 is not bent by the base leg 2 but by the contact leg 3, wherein the bending edge 9 extends between the contact leg 3 and the side wall 4 parallel to the longitudinal extension of the contact leg 3.
  • the metal part 1 In addition to the first side wall 4 connected to the contact leg 3 via the bending edge 9, the metal part 1 also has a second side wall 10 which is bent away from the base leg 2.
  • the side wall 4, which is bent laterally from the contact limb 3, serves as a boundary for the conductor end to be connected, so that the conductor end is not pressed laterally out of the contact point by the clamping leg 6 of the clamping spring 5 or is pushed past the contact leg 3.
  • This danger would exist without the side wall 4 in particular in a flexible conductor, which consists of a plurality of individual strands, so that individual strands of the clamping leg 6 could be pressed laterally past the contact leg 3.
  • the second side wall 10 serves on the one hand as an additional limitation for the conductor end to be connected, but on the other hand also for stabilizing the contact leg 3, for which the two mutually facing end portions 12, 13 of the two side walls 4, 10 in the finished state of the metal part 1 positively connected to each other are.
  • the end portions 12, 13 of the two side walls 4, 10 each have a mutually corresponding contour, in particular in each case an edge 14, 15 is provided which in the finished state of the metal part 1 an acute angle ⁇ between 45 ° and 90 ° to the base leg 2 has.
  • the first side wall 4 facing away from the end 16 of the second side wall 10 is bent from the second side wall 10 such that the end 16 of the contact leg 3 is opposite.
  • the bending edge 17 between the second side wall 10 and the end 16 extends perpendicular to the longitudinal extent of the second side wall 10.
  • a recess 18 is provided on the longitudinal side of the contact leg 3 facing away from the first side wall 4 and a projection 19 on the longitudinal side of the first side wall 4 facing away from the contact leg 3, wherein the contour the indentation 18 and the contour of the projection 19 are adapted to each other.
  • the starting point for the production of a metal part 1 is a flat metal strip 20, wherein in industrial production usually the individual metal parts 1 not from individual, narrow metal strips 20 but from a larger metal portion with a plurality of metal strip 20, as it is Fig. 6 can be recognized, punched and bent freely.
  • the first side wall 4 are bent around the bending edge 9 and the end 16 of the second side wall 10 to the bending edge 17 (see. Fig. 5c ), wherein the bend is usually done by 90 °.
  • the next method step is then according to Fig.
  • the contact leg 3 is bent around the bending edge 8, so that the contact leg 3 - and with it also the first side wall 4 - extends perpendicular to the longitudinal extent of the base leg 2.
  • the second side wall 10 is bent around the bending edge 11, wherein due to the adapted contour of the end regions 12, 13 of the two side walls 4, 10, the two side walls 4, 10 are then positively connected to each other, so that a bending of the contact leg 3 - in the representation according to the figures to the outside - is reliably prevented by the clamping spring 5.
  • the significantly lower material usage is required in the production of the metal part 1 according to the invention is also from a comparison of 6 and 7 can be seen, in Fig. 6 the production of a plurality of metal parts 1 according to the invention from a metal piece 20 is shown while Fig. 7 shows the production of known from the prior art metal parts 101 of a piece of metal.
  • a metal strip 20 for a metal part 1 according to the invention has, compared to a metal strip 120 for producing a metal part 101 known from the prior art, a somewhat greater length L, but a significantly smaller width B, the surface of the metal strip 20 only is about 65% of the area of the metal strip 120, without the current carrying capacity of the metal part 1 relative to the metal part 101 is reduced.
  • This significant material savings results in particular from the fact that in the case of the metal part 1 according to the invention the contact leg 3 is bent directly from the base leg 2, while in the metal part 101 from the prior art the contact leg 103 is bent away from the side wall 104.
  • the contact leg 103 determining the overall height of the metal part 101 is aligned parallel to the transport direction T of the metal strip 120, whereas in the metal part 1 according to the invention the contact leg 3 is perpendicular to the transport direction T.
  • the longitudinal extent of both the base leg 2 and the contact leg 3 and the longitudinal extent of the two side walls 4, 10 are aligned perpendicular to the transport direction T, whereby the waste surface of the metal strip 20, which is not used for the metal part 1, significantly reduced.
  • the individual metal parts 1 are also after the free punching their contour initially connected to each other via corresponding transport pieces 21, which serve to transport the metal strip 20 in the transport direction T.
  • the total only in Fig. 1 illustrated electrical terminal 22 has a housing 23 in which in addition to the previously described in detail metal part 1 and a clamping spring 5 is arranged.
  • a conductor insertion opening 24 for insertion of the conductor to be connected and an actuating opening 25 are formed in the housing 23.
  • an actuating printer 26 is slidably disposed within the actuating opening 25, wherein the actuating printer 26 from a first, in Fig. 1 shown position is displaceable in a second, depressed position. In the first position, the clamping leg 6 facing the end 27 of the actuating push button 26 does not press against the clamping leg 6, so that the Federkraftklemman gleich is closed.
  • the actuating handle 26 can lock in the second position, a shoulder 28 and the actuating lever 26, a projection 29 are formed in the housing 23, wherein the projection 29 in the second position of the actuating lever 26 by the spring force of the clamping spring 5 against the shoulder 28 in the housing 23 is pressed.
  • the tip of a screwdriver can be inserted into a depression formed in the head of the actuating push-button 26 and then the screwdriver can be displaced perpendicular to the longitudinal extension of the actuating push-button 26.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Manufacturing Of Electrical Connectors (AREA)
  • Clamps And Clips (AREA)

Claims (11)

  1. Pièce métallique pour un dispositif de raccordement électrique destiné à raccorder au moins une extrémité de conducteur dénudée, comprenant une branche de base (2), comprenant une branche de contact (3) disposée sensiblement perpendiculairement à celle-ci et comprenant au moins une paroi latérale (4),
    la branche de contact (3) formant, en association avec une branche de serrage (6), un ressort de serrage (5) en forme de V ou en forme de U agissant comme un ressort de pressage d'une borne à serrage à ressort pour un conducteur électrique à raccorder,
    la branche de contact (3) étant recourbée depuis la branche de base (2) et la paroi latérale (4) depuis la branche de contact (3) en direction de la branche de base (2), l'arête de pliage (8) entre la branche de contact (3) et la branche de base (2) s'étendant perpendiculairement à la projection longitudinale de la branche de contact (3) et de la branche de base (2), alors que l'arête de pliage (9) entre la branche de contact (3) et la paroi latérale (4) s'étend parallèlement à la projection longitudinale de la branche de contact (3),
    caractérisée en ce
    qu'une deuxième paroi latérale (10) est présente, laquelle est recourbée depuis la branche de base (2), l'arête de pliage (11) entre la deuxième paroi latérale (10) et la branche de base (2) s'étendant parallèlement à la projection longitudinale de la deuxième paroi latérale (10) et de la branche de base (2) et les deux parois latérales (4, 10) étant disposées sur le même côté de la pièce métallique (1).
  2. Pièce métallique selon la revendication 1, caractérisée en ce que les zones d'extrémités (12, 13) se faisant mutuellement face des deux parois latérales (4, 10) sont configurées de telle sorte que les deux parois latérales (4, 10), à l'état terminé de la pièce métallique (1), sont reliées ensemble par complémentarité de formes.
  3. Pièce métallique selon la revendication 2, caractérisée en ce que les zones d'extrémités (12, 13) se faisant mutuellement face des deux parois latérales (4, 10) possèdent respectivement une arête (14, 15) qui s'étend selon un angle aigu a par rapport à la branche de base (2).
  4. Pièce métallique selon l'une des revendications 1 à 3, caractérisée en ce que l'extrémité (16) de la deuxième paroi latérale (10) qui se trouve à l'opposé de la première paroi latérale (4) est recourbée depuis la deuxième paroi latérale (10), l'arête de pliage (17) entre la deuxième paroi latérale (10) et l'extrémité (16) s'étendant perpendiculairement à la projection longitudinale de la deuxième paroi latérale (10), de sorte que l'extrémité (16) se trouve à l'opposé de la branche de contact (3).
  5. Pièce métallique selon l'une des revendications 1 à 4, caractérisée en ce qu'un enfoncement (18) se trouve au niveau du côté long de la branche de contact (3) qui est à l'opposé de la première paroi latérale (4) et une partie saillante (19) se trouve au niveau du côté long de la première paroi latérale (4) qui est à l'opposé de la branche de contact (3), le contour de l'enfoncement (18) et le contour de la partie saillante (19) étant adaptés l'un à l'autre.
  6. Procédé de fabrication d'une pièce métallique (1) pour un dispositif de raccordement électrique à partir d'une bande métallique (20) plate, la pièce métallique (1) possédant une branche de base (2), une branche de contact (3) et au moins une paroi latérale (4), caractérisé par les étapes suivantes :
    - dégagement par estampage du contour de la pièce métallique (1),
    - cintrage d'une première paroi latérale (4) autour d'une arête de pliage (9) entre la paroi latérale (4) et la branche de contact (3), l'arête de pliage (9) s'étendant parallèlement à la projection longitudinale de la branche de contact (3) et perpendiculairement à la direction de transport (T) de la bande métallique (20),
    - cintrage de la branche de contact (3) autour d'une arête de pliage (8) qui s'étend perpendiculairement à la projection longitudinale de la branche de contact (3) et de la branche de base (2) et parallèlement à la direction de transport (T) de la bande métallique (20),
    - cintrage d'une deuxième paroi latérale (10) sur le côté de la bande métallique (20) sur lequel est également disposée la première paroi latérale (4), autour d'une arête de pliage (11) entre la deuxième paroi latérale (10) et la branche de base (2), l'arête de pliage (11) s'étendant parallèlement à la projection longitudinale de la deuxième paroi latérale (10) et perpendiculairement à la direction de transport (T) de la bande métallique (20).
  7. Procédé de fabrication d'une pièce métallique (1) selon la revendication 6, caractérisé en ce qu'avant le cintrage de la deuxième paroi latérale (10), l'extrémité (16) de la deuxième paroi latérale (10) à l'opposé de la première paroi latérale (4) est cintrée autour d'une arête de pliage (17) depuis la deuxième paroi latérale (10) jusqu'à ce que l'extrémité (16) se trouve à l'opposé de la branche de contact (3), l'arête de pliage (17) entre la deuxième paroi latérale (10) et l'extrémité (16) s'étendant perpendiculairement à la projection longitudinale de la deuxième paroi latérale (10) et parallèlement à la direction de transport (T) de la bande métallique (20).
  8. Dispositif de raccordement destiné à raccorder une extrémité de conducteur dénudée, comprenant un ressort de serrage (5) en forme de V ou en forme de U agissant comme un ressort de pressage sur l'extrémité de conducteur, lequel possède une branche de serrage (6) et une branche d'appui (7), et comprenant une pièce métallique (1) selon l'une des revendications 1 à 5, la branche de contact (3) de la pièce métallique (1) formant, en association avec la branche de serrage (6) du ressort de serrage (5), une borne à serrage à ressort pour un conducteur électrique à raccorder.
  9. Borne de raccordement électrique comprenant un boîtier (23), comprenant un ressort de serrage (5) en forme de V ou en forme de U agissant comme un ressort de pressage sur l'extrémité de conducteur, lequel possède une branche de serrage (6) et une branche d'appui (7), et comprenant une pièce métallique (1) selon l'une des revendications 1 à 5, la branche de contact (3) d'une pièce métallique (1) formant, en association avec la branche de serrage (6) d'un ressort de serrage (5), une borne à serrage à ressort pour un conducteur électrique à raccorder et au moins une ouverture d'introduction de conducteur (24), destinée à introduire un conducteur à raccorder, ainsi qu'au moins une ouverture d'actionnement (25) étant formées dans le boîtier (23).
  10. Borne de raccordement électrique selon la revendication 9, caractérisée en ce qu'un poussoir d'actionnement (26) est disposé dans l'ouverture d'actionnement (25) de telle sorte qu'il peut être coulissé depuis une première position, dans laquelle la borne à serrage à ressort est fermée, dans une deuxième position, dans laquelle le poussoir d'actionnement (26) dévie la branche de serrage (6) contre la force de ressort du ressort de serrage (5) avec sa première extrémité (27) qui fait face à la branche de serrage (6), de sorte que la borne à serrage à ressort est ouverte,
    un retrait (28) étant formé dans le boîtier (23) et au moins une partie saillante (29) sur le poussoir d'actionnement (26) et le poussoir d'actionnement (26) pouvant être amené dans une position dans laquelle la partie saillante (29) et le retrait (28) sont enclenchés l'un avec l'autre de telle sorte que le poussoir d'actionnement (26) est maintenu dans sa deuxième position.
  11. Borne de raccordement électrique selon la revendication 9 ou 10, destinée à raccorder deux extrémités de conducteur dénudées, caractérisée en ce que deux pièces métalliques (1, 1') sont présentes fonctionnellement, dont leurs deux branches de base (2) sont reliées d'un seul tenant l'une à l'autre, les deux pièces métalliques (1, 1') étant fabriquées à partir d'une bande métallique (20) plate.
EP12712058.2A 2011-02-22 2012-02-22 Pièce métallique pour un dispositif de connexion électrique Active EP2678904B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011012021A DE102011012021A1 (de) 2011-02-22 2011-02-22 Metallteil für eine elektronische Anschlussvorrichtung
PCT/EP2012/000761 WO2012113544A2 (fr) 2011-02-22 2012-02-22 Pièce métallique pour un dispositif de connexion électrique

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EP2678904A2 EP2678904A2 (fr) 2014-01-01
EP2678904B1 true EP2678904B1 (fr) 2019-03-20

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US (1) US9184540B2 (fr)
EP (1) EP2678904B1 (fr)
JP (1) JP6033237B2 (fr)
CN (1) CN103392271B (fr)
DE (1) DE102011012021A1 (fr)
ES (1) ES2727036T3 (fr)
WO (1) WO2012113544A2 (fr)

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DE202014102521U1 (de) 2014-05-28 2015-09-03 Weidmüller Interface GmbH & Co. KG Direktsteck-Druckfederklemme mit Haltefeder
TWM502983U (zh) 2014-12-04 2015-06-11 Switchlab Inc 軌道型電聯接端子之導電接線結構
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DE202015008280U1 (de) 2015-12-01 2015-12-14 Switchlab (Shanghai) Co., Ltd. Verbesserter Aufbau einer elektrischen Anschlussklemme mit Pfad
DE102016121967A1 (de) * 2016-11-16 2018-05-30 Phoenix Contact Gmbh & Co. Kg Elektrische Anschluss- sowie Verbindungsklemme
JP2018107079A (ja) * 2016-12-28 2018-07-05 オムロン株式会社 端子台
DE102017109694B4 (de) * 2017-05-05 2022-10-06 Wago Verwaltungsgesellschaft Mbh Anschlussklemme
DE102017110060B4 (de) * 2017-05-10 2022-07-14 Conrad Stanztechnik Gmbh Verfahren zum Herstellen einer Anordnung und Anordnung mit einer Stromschiene für eine Anschlussklemme zum Kontaktieren mehrerer elektrischer Leiter und elektrische Anschlussklemme
TWI666836B (zh) * 2018-03-16 2019-07-21 進聯工業股份有限公司 電性接線裝置之導電組件結構
CN111052511B (zh) * 2018-05-08 2021-08-13 富士电机机器制御株式会社 连接端子座、电气设备
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WO2012113544A2 (fr) 2012-08-30
US9184540B2 (en) 2015-11-10
CN103392271A (zh) 2013-11-13
EP2678904A2 (fr) 2014-01-01
JP2014509443A (ja) 2014-04-17
US20130330985A1 (en) 2013-12-12
JP6033237B2 (ja) 2016-11-30
WO2012113544A3 (fr) 2013-04-11
DE102011012021A1 (de) 2012-08-23
ES2727036T3 (es) 2019-10-11
CN103392271B (zh) 2016-08-31

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