EP3038212B1 - Borne de connexion - Google Patents

Borne de connexion Download PDF

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Publication number
EP3038212B1
EP3038212B1 EP15199608.9A EP15199608A EP3038212B1 EP 3038212 B1 EP3038212 B1 EP 3038212B1 EP 15199608 A EP15199608 A EP 15199608A EP 3038212 B1 EP3038212 B1 EP 3038212B1
Authority
EP
European Patent Office
Prior art keywords
clamping
operating lever
spring
insulating
elongate hole
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
EP15199608.9A
Other languages
German (de)
English (en)
Other versions
EP3038212A1 (fr
Inventor
Hans-Josef Köllmann
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
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Application filed by Wago Verwaltungs GmbH filed Critical Wago Verwaltungs GmbH
Publication of EP3038212A1 publication Critical patent/EP3038212A1/fr
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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/48185—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar adapted for axial insertion of a wire end
    • H01R4/4819—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar adapted for axial insertion of a wire end the spring shape allowing insertion of the conductor end when the spring is unbiased
    • H01R4/4821—Single-blade spring
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/4828—Spring-activating arrangements mounted on or integrally formed with the spring housing
    • H01R4/483—Pivoting arrangements, e.g. lever pushing on the spring
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/22—Bases, e.g. strip, block, panel
    • H01R9/24—Terminal blocks

Definitions

  • Terminals are in various forms known as terminal boxes for connecting electrical conductors to each other at a common busbar piece, terminal blocks, which can be latched onto a DIN rail, PCB terminals or connectors.
  • the clamping leg of the clamping spring To open a clamping point formed by a clamping spring and a busbar piece for clamping an electrical conductor, the clamping leg of the clamping spring must be displaced. This can be done either by a separate, introduced into an actuating opening of the insulating housing operating tool (for example, screwdriver). Often, however, a pivotable actuating lever is installed in the insulating housing of the terminals, which acts on the clamping spring to open the nip.
  • the actuating lever are rotatably received about a defined axis of rotation in the insulating housing, as for example in DE 10 2007 050 936 D4 is disclosed.
  • Out DE 10 2011 110 640 D4 is a conductor terminal is known in which the operating lever is floatingly mounted in a lever bearing contour so that it is displaceable by a latching position.
  • US 2003/0008569 A1 discloses a terminal with an actuating lever which is rotatably received in an insulating material housing about a pivot located in the surface region of a pivot bearing portion in itself. A displacement of the pivot of the actuating lever is not provided.
  • DE 1 575 118 A shows a screwless clamp with an actuating lever whose lower right-angled end dips into a pocket of an insulating housing.
  • the operating lever is pivotable about an edge of the pocket, so that the angling of the end of the operating lever forms a fulcrum.
  • a screwless terminal in which a pressure piece to open a clamping spring has a cylindrical rounded pivot point at its foot.
  • the pivot point moves aligned from the spring base on the plant leg of the leg spring upwards towards the busbar and away from the spring base.
  • the pressure piece is in a spaced-apart from the pivot point area on the clamping leg of the leg spring to open it.
  • EP 2 445 056 A1 shows an actuating lever with round pin.
  • a protruding tab of a cage tension spring is in a free space in the round pin taken, with the top of the space serves as a support for the tab.
  • DE 10 2012 110 759 A1 discloses a spring force clamping connection with an actuating lever pivotally mounted on a bearing arm extending from the bus bar through a slot.
  • the actuating lever exerts a compressive force on a cage tension spring during pivoting.
  • EP 0 743 715 A2 discloses a conductor terminal with a pivoted on a round pin operating lever. This round pin slides in a dead position in a holding recess of the insulating material inside.
  • US 2007/0175741 A1 discloses a connector with an actuating lever which is mounted with a long pin in a U-shaped opening. The long pin is guided by an elastically resilient arm. It is described a terminal with an insulating material housing having a plurality of juxtaposed lead-in openings for a printed circuit board, each leading to a spring force terminal connection. There are Federkraftklemman say in the insulating housing each formed of a one-piece clamping element with an elastic spring arm. In the actuator housing, an operating lever with a pivot bearing is pivotally mounted in the insulating housing to open the elastic spring arm.
  • the pivot bearing is formed from a slot and a long pin immersed in the slot.
  • the slot points a curved track shape.
  • the center line of the slot ie the line running in the middle between the opposite side walls, is thus curved.
  • the contour of the elongated hole and the long pin are preferably coordinated so that it is in any position of the long pin in the slot of the long pin at least two opposing support points in contact with the boundary wall of the slot and thereby an in-itself rotation of the long pin to a lying in the spanned by the long pin surface portion axis of rotation is prevented.
  • the slot is preferably provided in the insulating housing and the long pin on the actuating lever. It is also conceivable, however, the reverse variant in which the slot is formed on the actuating lever and the long pin on the insulating material.
  • the long pin has a greater length than its width.
  • the length of the long pin is greater than the width of the slot.
  • a long pin in the sense of the present invention is understood to mean a bearing journal which extends in a length which is longer than the width of the long pin transversely to its longitudinal direction.
  • Such a long pin is preferably formed as an oval with rounded end faces, wherein the rounded end faces are opposite to the ends in the longitudinal direction.
  • a slot according to the present invention differs from a circular hole in that it is designed to receive the long pin and allows a translational movement of the long pin in the slot.
  • a sole rotational movement of the long pin in the slot about a fixed axis of rotation is preferably prevented by the contours of slot and long pins are coordinated so that the long pin in any position of the long pin in the slot on at least two opposing support points in contact with the Limiting wall of the slot is.
  • the long pin can not turn in the slot with it.
  • the movement of the long pin in the slot is rather limited to a superimposed rotational and translational movement or preferably to a purely translational displacement movement. In such a sliding movement, the pivot angle of the actuating lever changes, so that a rotation of the long pin is effected about a migratory fulcrum. Such a rotation is only possible by moving the long pin in the slot.
  • the long pin spans an oval surface.
  • the oval surface may be, for example, an elliptical surface.
  • the oval surface is a surface formed from a rectangle and two circular sections at the opposite ends of the rectangle in the longitudinal extension.
  • the opposite longitudinal sides of the long pin are thus straight, flat surfaces, which merge on opposite end faces in curved end faces.
  • the opposite longitudinal sides are rectilinear.
  • the slot has, for example, a kidney-shaped surface.
  • a kidney-shaped surface in the sense of the present invention is a curved oval, which is curved in the manner of a ball triangle and has blunt, curved ends instead of the pointed corners of a ball triangle.
  • Such a kidney-shaped surface initially extends in a first direction starting from a first curved end side, in order to continue after a development, preferably in the range of 90 ° +/- 10 ° in a second direction transversely to the first direction second direction and complete at a curved end , In such a kidney-shaped surface, two circular sections are interconnected by a short curved track and an opposite long curved track.
  • the short curved path of the kidney-shaped surface is preferably located on the side facing the mouth of the conductor insertion opening and the clamping point and the clamping edge of the clamping spring facing away.
  • the long curved path is then preferably on the side facing the nip or the clamping edge of the clamping spring and facing away from the Isolierstoffgepuruse outward opening of the conductor insertion opening facing away.
  • the pivot bearing of an actuating lever is formed by two elongated holes lying opposite one another in the insulating material housing, into which each of the side faces of the actuating lever facing away from each other project outstanding long pins.
  • the operating lever is guided on both sides on its side surfaces tilt-proof and stable in the insulating housing.
  • the at least one slot is introduced into a boundary wall of the conductor insertion opening.
  • the slot is filled in the open position of the actuating lever by the long pin so that the long pin forms a continuation of the boundary wall of the conductor insertion opening for guiding an electrical conductor to the nip.
  • the electrical conductor is performed with open nip by the boundary wall of the conductor insertion opening and in continuation by a wall surface of the long pin. This is particularly advantageous for fine-stranded or stranded electrical conductors, as a dipping of strand ends is prevented in the slot.
  • the guide wall of the conductor insertion opening may be interrupted by the slot again. Then there is no need for a guide of an electrical conductor.
  • FIG. 1 shows a side sectional view of a terminal 1 with an insulating housing 2, in which a spring force terminal 3 is installed.
  • the spring terminal connection 3 is formed from a busbar piece 4 and a clamping spring 5.
  • the clamping spring 5 is a leg spring, which has a bearing arm 6 which is mounted on the busbar piece 4, a spring bow 7 on the side of the contact leg 6 opposite the busbar piece 4 and a clamping leg 8 issuing from the spring bow 7.
  • the clamping leg 8 has at its free end a clamping edge 9, which is aligned with the busbar piece 4 so that a clamping point for clamping an electrical conductor between the clamping edge 9 of Clamping leg 8 and the busbar piece 4 is formed.
  • the installation of the actuating lever 10 and the spring terminal connection 3 is achieved by a two-part construction of the insulating housing 2, which has a base body 12 with a conductor insertion opening 13 and a lockable with the base body 12 by means of locking elements 14 cover piece 15.
  • the conductor insertion opening 13 extends in Leiterereinsteck512 11 and has an outwardly of the insulating housing 2 outward opening 16.
  • the conductor insertion opening 13 extends to the busbar piece 4 of the terminal point to lead an electrical conductor to be clamped to the nip.
  • the Leiterereinsteckutter L seen behind the busbar piece 4 a conductor collecting pocket 17 is provided for receiving the stripped free end of the electrical conductor to be clamped.
  • the actuating lever 10 has a lever arm 18, which protrudes outwardly from the insulating material 2 and thus at least partially exposed for manual operation.
  • the lever arm 18 is in the interior of the insulating material 2 adjacent to the nip in a pivoting range, projects at least one long pin 19 on at least one side of the actuating lever 10 side.
  • the long pin 19 forms the lever arm 18 diametrically opposite end of the actuating lever 10, with its operating contour of the clamping leg 8 and a raised from the clamping leg 8 material tabs for displacing the clamping leg 8 and the clamping edge 9 is applied in the direction of plant leg 6 to the Open clamping point.
  • the at least one long pin 19 immersed in an associated slot 20, which is on an inner wall in the base body 12 and a wall of the conductor insertion opening 13 is introduced in the base body 12.
  • two opposing slots 20 are placed in the opposite inner walls of the conductor insertion opening 13, dive into the diametrically facing away from each other long pins 19 of the actuating lever 10 to store this tip over.
  • the elongated holes 20 are preferably formed in the lower, adjacent to the plant leg 6 area expiring. This is advantageous for demoulding and assembly reasons.
  • the slot 20 has a kidney-shaped contour.
  • the long pin 19, however, is oval-shaped and has a longitudinal extension direction which is greater than the width of the long pin 19.
  • the oval shape is formed from a rectangular surface portion, to which adjoin the opposite ends of partial circles, preferably semicircles.
  • the slot has a curved track shape and is curved for this purpose in the manner of a ball triangle.
  • the ends of the ball triangle are part-circular.
  • two circular sections at the opposite ends are connected on the one hand by a short curved track on the side facing the junction 16 of the conductor insertion opening 13 and on the other by a longer curved track on the side adjacent to the nip.
  • the (imaginary) center line between the two opposing circular sections is also curved.
  • the slot is thus kidney-shaped.
  • FIG. 1 is the actuating lever 10 in the closed position, in which the clamping edge 9 rests on the power point piece 4 without plugged electrical conductor and the clamping leg 8 is relieved and pressed by the spring force of the clamping spring 5 against the busbar piece 4 becomes.
  • FIG. 2 lets the connection terminal 1 be partially opened. It is clear that the actuating lever 10 is now pivoted at an angle of about 45 °. In this case, the clamping leg 8 is pressed by the actuating contour at the end of the actuating lever in the region of the long pin 19 in the direction of the plant limb 6.
  • FIG. 3 leaves the terminal off FIGS. 1 and 2 recognize, in which the actuating lever 10 is now in the open position.
  • the clamping leg is pressed down as far as possible to the plant leg 6 to fully open the nip formed by the clamping edge 9 and the busbar piece 4.
  • the long pin 12 is located on opposite boundary walls of the slot 20 so that an in-itself twisting of the long pin 19 is not possible. This is ensured by the kidney-shaped design of the elongated hole 20 in the illustrated embodiment.
  • the elongated holes 20 are at each other opposite inner walls of the conductor insertion opening 13 now filled at least in that of the busbar piece 4 to the adjacent region by the long pin 19. This ensures that an inserted into the conductor insertion opening 13 electrical conductor is best guided with its stripped end to the nip and hooked no strands or conductor ends in the slot 20.
  • FIG. 4 leaves a cross-sectional view of the terminal 1 FIG. 1 recognize in the closed position or clamping position. It is clear that protrude from the actuating lever 10 at the opposite side surfaces diametrically opposite each long pin 19. These long pins 19 each dive into an associated slot 20 in order to be guided translationally displaceable in the slot 20. In this case, an in-itself rotation of the long pin 19 is prevented by the contour of the long pin 19 and the contour of the elongated hole 20 adapted thereto.
  • FIG. 6 lets recognize a perspective view of the clamping spring 5 together with the operating lever 10 without surrounding insulating material.
  • the operating lever 10 has two spaced side walls 22 which are interconnected by the lever arm 18 extending transversely across the side walls 22 and the longitudinal direction.
  • the long pins 19 are formed on the lever arm 18 opposite ends as projecting from the surface of the side walls 22 elements.
  • the loading of the clamping spring takes place.
  • These faces form an actuating portion 21 at the end of the actuating lever 10, which is opposite to the lever arm 18 and which extends between the opposing long pins 19.
  • the connection region between the opposite long pins 19 is concave, ie curved inwards. This provides a conductor receiving space leading to the clamping point.
  • clamping edge 9 is bent out of the plane of the clamping leg 8 in the direction of actuating lever 10. The remaining lateral portions of the clamping leg 8 then form a bearing surface for acting on the clamping spring 5 by the actuating lever 10. The superscript clamping edge 9 is then in the space between the side walls 22nd
  • FIG. 7 shows a slightly rotated perspective view of the clamping spring 5 with the actuating lever 10 again without Isolierstoffgeophuse.
  • the side walls 22 of the actuating lever 10 provide on their opposite inner sides a guide wall for guiding an electrical conductor to the clamping edge 9.
  • long pins 19 are integrally formed on the outer walls of these side walls 22 .
  • the longitudinal extent to the direction of the long pins 19 extends in approximately parallel plane spanned by the actuating lever 18 level.
  • the long pins 19 are offset in height to the lever arm 18 in the direction of the clamping spring 5.
  • these operating portions 23 can be made laterally narrower. It is advantageous if they at least by the depth of the long pins 19 in comparison to the representation in FIGS. 6 and 7 are shortened, so that the two actuating portions 23 can be guided along the inner wall of the conductor insertion in the insulating housing 2 and do not have to dive into the slot 20.

Landscapes

  • Clamps And Clips (AREA)
  • Connections Arranged To Contact A Plurality Of Conductors (AREA)
  • Installation Of Bus-Bars (AREA)

Claims (6)

  1. Borne de raccordement (1) destinée au raccordement d'un conducteur électrique, comprenant
    - un boîtier en matériau isolant (2), lequel possède au moins une ouverture d'introduction de conducteur (13) qui mène à une borne à serrage par ressort (3),
    - au moins une borne à serrage par ressort (3) dans le boîtier en matériau isolant (2), laquelle est constituée d'un morceau de barre-bus (4) et d'un ressort de serrage (5),
    - au moins un levier d'actionnement (10) qui est monté pivotant dans le boîtier en matériau isolant (2) avec au moins un palier de pivotement (11) et qui est conçu pour ouvrir un point de serrage formé par le levier de serrage (5) et le morceau de barre-bus (4),
    caractérisée en ce que
    - le palier de pivotement (11) est constitué d'un trou oblong (20) qui présente une forme de trajectoire curviligne dans le boîtier en matériau isolant (2) et un tenon allongé (19) du levier d'actionnement (10) qui pénètre dans le trou oblong (20),
    - le tenon allongé (19) ayant une longueur (L) plus grande que sa largeur et la longueur (L) du tenon allongé (19) étant supérieure à la largeur (B) correspondante du trou oblong (20) dans chaque position de pivotement du levier d'actionnement (10).
  2. Borne de raccordement (1) selon la revendication 1, caractérisée en ce que le profil du trou oblong (20) et du tenon allongé (19) sont accordés l'un sur l'autre de telle sorte que dans chaque position de pivotement du levier d'actionnement (10), le tenon allongé (19) se trouve en contact avec une paroi de délimitation du trou oblong (20) en au moins deux points d'appui qui sont mutuellement opposés.
  3. Borne de raccordement (1) selon la revendication 1, caractérisée en ce que le mouvement de pivotement du levier d'actionnement (10) se compose d'un mouvement rotatif et d'un mouvement translatoire qui se superposent.
  4. Borne de raccordement (1) selon la revendication 1 ou 2, caractérisée en ce que le tenon allongé (19) couvre une surface ovale, notamment une surface de forme elliptique ou rectangulaire qui se termine par deux portions de cercle aux extrémités opposées.
  5. Borne de raccordement (1) selon l'une des revendications précédentes, caractérisée en ce que le palier de pivotement (11) d'un levier d'actionnement (10) est formé par deux trous oblongs (20) mutuellement opposés dans le boîtier en matériau isolant (2), dans lesquels pénètrent des tenons allongés (19) qui font respectivement saillie dans des directions opposées l'une de l'autre sur les surfaces latérales du levier d'actionnement (10).
  6. Borne de raccordement (1) selon l'une des revendications précédentes, caractérisée en ce que l'au moins un trou oblong (20) est pratiqué dans une paroi de délimitation de l'ouverture d'introduction de conducteur (13), le trou oblong (20), dans la position ouverte du levier d'actionnement (10), étant rempli par le tenon allongé (19) de telle sorte que le tenon allongé (19) forme une prolongation de la paroi de délimitation de l'ouverture d'introduction de conducteur (13) servant au guidage du conducteur électrique vers le point de serrage.
EP15199608.9A 2014-12-22 2015-12-11 Borne de connexion Active EP3038212B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102014119420.9A DE102014119420B3 (de) 2014-12-22 2014-12-22 Anschlussklemme

Publications (2)

Publication Number Publication Date
EP3038212A1 EP3038212A1 (fr) 2016-06-29
EP3038212B1 true EP3038212B1 (fr) 2018-05-23

Family

ID=54849550

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15199608.9A Active EP3038212B1 (fr) 2014-12-22 2015-12-11 Borne de connexion

Country Status (3)

Country Link
EP (1) EP3038212B1 (fr)
CN (3) CN109599682B (fr)
DE (1) DE102014119420B3 (fr)

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CN108808372B (zh) * 2017-05-05 2024-08-13 陈斌斌 一种接线端子的扳动弹压结构
CN108808277B (zh) * 2017-05-05 2024-04-23 陈斌斌 一种接线端子
DE102018110312A1 (de) * 2018-03-28 2019-10-02 Wago Verwaltungsgesellschaft Mbh Leiteranschlussklemme
EP3579671B1 (fr) * 2018-06-05 2023-03-15 R. STAHL Schaltgeräte GmbH Boîtier du type de protection à blindage résistant à la pression (antidéflagrant)
JP6814777B2 (ja) * 2018-10-30 2021-01-20 矢崎総業株式会社 電気接続箱
DE202018106896U1 (de) * 2018-12-04 2020-03-05 WAGO Verwaltungsgesellschaft mit beschränkter Haftung Federanschlussklemme
DE102019125886B4 (de) * 2019-09-26 2021-06-17 Bjb Gmbh & Co. Kg Gehäuselose Anschlussklemme mit Öffnungswerkzeug
DE102021108316A1 (de) * 2020-04-03 2021-10-07 Phoenix Contact Gmbh & Co. Kg Anschlussklemme und elektronisches Gerät
TWI732639B (zh) * 2020-07-29 2021-07-01 金筆企業股份有限公司 導線連接器
DE202020105715U1 (de) * 2020-10-06 2022-01-10 Electro Terminal GmbH & Co. KG Klemme mit Lösehebel
WO2024005776A1 (fr) 2022-06-27 2024-01-04 Ideal Industries, Inc. Connecteur à levier pour conducteurs électriques

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DE102011110640B4 (de) * 2011-08-18 2014-07-31 Wago Verwaltungsgesellschaft Mbh Leiteranschlussklemme
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Also Published As

Publication number Publication date
CN105720387A (zh) 2016-06-29
CN109599682B (zh) 2020-11-13
CN109638482A (zh) 2019-04-16
EP3038212A1 (fr) 2016-06-29
CN105720387B (zh) 2019-05-17
CN109638482B (zh) 2021-03-12
DE102014119420B3 (de) 2016-05-12
CN109599682A (zh) 2019-04-09

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