EP0697749B1 - Schnellschneidklemmverbinder - Google Patents

Schnellschneidklemmverbinder Download PDF

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Publication number
EP0697749B1
EP0697749B1 EP95401805A EP95401805A EP0697749B1 EP 0697749 B1 EP0697749 B1 EP 0697749B1 EP 95401805 A EP95401805 A EP 95401805A EP 95401805 A EP95401805 A EP 95401805A EP 0697749 B1 EP0697749 B1 EP 0697749B1
Authority
EP
European Patent Office
Prior art keywords
self
conductor
stripping
casing
screw
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.)
Expired - Lifetime
Application number
EP95401805A
Other languages
English (en)
French (fr)
Other versions
EP0697749A1 (de
Inventor
Jean-Paul Heng
Ariel Ruiz
Luc Doutaz
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.)
ABB France SAS
Original Assignee
Entrelec SAS
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 Entrelec SAS filed Critical Entrelec SAS
Publication of EP0697749A1 publication Critical patent/EP0697749A1/de
Application granted granted Critical
Publication of EP0697749B1 publication Critical patent/EP0697749B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • H01R4/24—Connections using contact members penetrating or cutting insulation or cable strands
    • H01R4/2404—Connections using contact members penetrating or cutting insulation or cable strands the contact members having teeth, prongs, pins or needles penetrating the insulation
    • H01R4/2408—Connections using contact members penetrating or cutting insulation or cable strands the contact members having teeth, prongs, pins or needles penetrating the insulation actuated by clamping screws
    • 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

  • the present invention relates to a fast acting self-stripping connection, applicable in particular to the realization of a distribution terminal block making it possible to connect a plurality of conductors to a strip by self-stripping.
  • Document WO 94/13032 also describes an electrical connector block for telecommunications where conductor connections are made by through self-stripping contacts movable in translation under the action a screw which allows to pull a part supporting these contacts towards the conductors to be connected duly positioned.
  • An object of the present invention is to provide a self-stripping connection in which the connection of the conductors can be carried out simply and without further tool than an ordinary screwdriver and quickly by rotating the screwdriver by example less than 180 °.
  • Another object of the invention is to provide a connection in which a simple screwdriver removes already connected conductors.
  • the invention therefore provides a self-stripping connection for the connection of conductors to a metal strip provided with self-stripping contacts to which conductor pushing means are associated, each contact comprising two parallel sharp edges, each pushing means comprising a pusher movable in translation under the action of a screw immobilized in translation by its head in the case.
  • the pusher comprises a portion internally threaded prismatic to receive the body of the screw and secured with a terminal part, also prismatic, comprising a thinned part to engage between the edges of a contact obtained from a folded sheet defining two parallel portions terminated by ends converging at sharp edges, said prismatic portion moving in axial translation under the action of the screw in a well of the case where it is immobilized in rotation, in driving the end part between a high position allowing engagement of a conductor through a hole in the box to be connected and a position for which the thinned part is engaged between the edges of the contact; said orifice being in communication with a slot parallel to said portions parallel.
  • the invention also provides a distribution terminal block, comprising at least one self-stripping connection as defined above in the plastic housing divided into compartments for self-stripping contacts, each compartment comprising the well, for the pusher and a screw, as well as the opening of introduction of the conductor into the housing which is in communication with the slot, said slot being provided with lips molded with the housing which allow the pinching of the conductor after connection.
  • connection terminal block that of a connection terminal block, but you have to understand that the fast-acting self-stripping connection according to the invention can be applied to any type of device in the field of connectors.
  • the terminal block includes a plastic case, advantageously made up of two nestable portions, globally referenced A and B (see Fig. 3). All defines a substantially parallelepiped housing comprising a front face 1, a rear face 2, a top 3 and a bottom 4 which can be secured to a metal rail of attachment 5.
  • Part A comprises the face 1, the bottom 4 and the lower part of side 2.
  • Part B includes the top 3 and the upper part of the face 2.
  • the housing includes transverse partitions 11 defining a plurality of parallel compartments 12 which can each receive one or multiple drivers.
  • the partitions 11 are provided orifices in alignment allowing the engagement of a metal strip 13 (see Fig. 3 to 5); it is at this single strip that must be electrically connected conductors.
  • the length of the case, as well as its height, depend on the number of connections to be made. Every end of the housing, an ear 7 molded, allows fixing the housing.
  • the bar 13 is secured to self-stripping contacts (see Fig. 5) generally designated hereinafter by the reference 16; these contacts consist of a plate 16 folded over so as to define two parallel portions 16A and 16B terminated by converging ends 16'A and 16'B of which the sharp edges are slightly distant less than the diameter of the metal of the conductors to be connected.
  • the plate 16 is secured to the bar by crimping to pins 13A of the bar of a portion 16C suitably folded.
  • the housing includes, for each compartment 12, a portion in the form of a well 21.
  • This well is arranged above self-stripping contacts 16 which have just been described, and contains a screw 22 having a threaded body 22A and a head 22B provided with a slot 22C capable of receiving the end of a screwdriver 24.
  • the head of the screw is engaged between two circular edges 21A and 21B of the part 21, so that the screw can turn, but is immobilized in translation; the screw is intended to move a pusher 25 including a threaded 25A prismatic portion internally, screwed to screw 22, and secured by a bottom 25B to a prismatic end portion 25C; the section of the well has two opposite parallel faces, it is likewise of the prismatic portion 25A; in this way, the room 25A is immobilized in rotation and can only move in axial translation.
  • the section of part 25C visible in particular in FIG. 5, is substantially that of a diabolo, the thinned part being able to engage between the edges sharpened stripping contacts. This provision allows to exert a thrust regularly distributed on the conductor to connect.
  • Part A of the box presents, for each compartment, a lateral orifice with conical inlet 27, practiced in the front face 1 of the case, and intended for receive the conductors to be connected.
  • This orifice is disposed between the base of well 21 and the upper part self-stripping contacts 16.
  • This hole is in communication with a slot 28 which extends to the right of the contacts 16 and the length of which is chosen according to the number of conductors that one wishes to connect in the same compartment. The example chosen and illustrated is that where you can connect two conductors in the same compartment.
  • the slot 28 extends at 29 below the contacts self-stripping, over a length sufficient to allow the extraction of the conductor, as will be seen below.
  • edges of the slot 28 are provided, at the right of contacts 16, of elastic lips 31 and 32, coming preferably molding with the housing, and intended for tighten the conductor after connection.
  • the upper part 3 of part B of the case is closed by a clip bar 34.
  • the invention is economical, thanks to a small number of molded parts; its modular nature allows it to be adapted to all needs; his job is particularly easy since it does not require any of the special tools or accessories usually required in this type of connection.

Landscapes

  • Connections Arranged To Contact A Plurality Of Conductors (AREA)
  • Connections By Means Of Piercing Elements, Nuts, Or Screws (AREA)
  • Removal Of Insulation Or Armoring From Wires Or Cables (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Connector Housings Or Holding Contact Members (AREA)

Claims (4)

  1. Selbsttätig isolationsdurchdringender Verbinder zum Anschluß von Leitern an eine Metalleiste (13), die mit selbsttätig isolationsdurchdringenden Kontakten (16) versehen ist, denen Leiterschiebemittel (40) zugeordnet sind, wobei jeder Kontakt zwei parallele scharfe Kanten aufweist, wobei jedes Schiebemittel einen Drücker (25) umfaßt, der unter der Wirkung einer mit ihrem Kopf in einem Gehäuse gegen Translationsbewegung festgelegten Schraube (22) translatorisch beweglich ist,
    dadurch gekennzeichnet, daß der Drücker einen mit einem Innengewinde versehenen prismatischen Abschnitt (25A) zur Aufnahme des Körpers der Schraube umfaßt, wobei dieser prismatische Abschnitt (25A) mit einem Endstück (25C) verbunden ist, das seinerseits ebenfalls prismatisch ist und einen verengten Teil zum Eingriff zwischen die Kanten eines aus einem Blech erhaltenen Kontakts umfaßt, wobei dieses Blech unter Bildung zweier paralleler Abschnitte (16A, 16B) gebogen ist, die mit scharfkantigen konvergierenden Enden abschließen, wobei sich der prismatische Abschnitt unter der Wirkung der Schraube in axialer Translationsrichtung in einem Schacht (21) des Gehäuses, wo er gegen Drehung festgelegt ist, verlagert und dabei das Endstück zwischen einer Hochstellung, welche die Einführung eines Leiters durch eine Öffnung (27) des Gehäuses hindurch zum Anschließen desselben gestattet, und einer Stellung mitnimmt, in der der verengte Teil zwischen die Kanten des Kontakts eingreift, wobei die Öffnung (27) mit einem zu den parallelen Abschnitten parallelen Schlitz (28) in Verbindung steht.
  2. Verteileranschluß, dadurch gekennzeichnet, daß er mindestens einen selbsttätig isolationsdurchdringenden Verbinder nach Anspruch 1 in dem in Fächer (12) für die selbsttätig isolationsdurchdringenden Kontakte (16) unterteilten Gehäuse aus Kunststoff umfaßt, wobei jedes Fach den Schacht (21) für den Drücker (25) und für die Schraube (22) sowie die mit dem Schlitz (28) in Verbindung stehende Öffnung (27) zum Einführen des Leiters in das Gehäuse umfaßt, wobei der Schlitz mit Lippen (31, 32) ausgeführt ist, die zusammen mit dem Gehäuse ausgeformt sind und die Klemmung des Leiters nach dem Anschließen erlauben.
  3. Verteileranschluß nach Anspruch 2, dadurch gekennzeichnet, daß er selbsttätig isolationsdurchdringende Kontakte umfaßt, deren Höhe einem Mehrfachen des Durchmessers der anzuschließenden Leiter entspricht.
  4. Verteileranschluß nach einem der Ansprüche 2, 3, dadurch gekennzeichnet, daß sich der parallele Schlitz (28) eines Fachs unterhalb der selbsttätig isolationsdurchdringenden Kontakte, in deren Bereich er sich befindet, lippenfrei fortsetzt, um die Entnahme des Leiters durch Herausdrücken, insbesondere mit Hilfe eines Schraubendrehers, zu ermöglichen.
EP95401805A 1994-08-04 1995-08-01 Schnellschneidklemmverbinder Expired - Lifetime EP0697749B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9409707A FR2723474B1 (fr) 1994-08-04 1994-08-04 Connexion auto-denudante a action rapide
FR9409707 1994-08-04

Publications (2)

Publication Number Publication Date
EP0697749A1 EP0697749A1 (de) 1996-02-21
EP0697749B1 true EP0697749B1 (de) 1999-01-20

Family

ID=9466092

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95401805A Expired - Lifetime EP0697749B1 (de) 1994-08-04 1995-08-01 Schnellschneidklemmverbinder

Country Status (8)

Country Link
US (1) US5634811A (de)
EP (1) EP0697749B1 (de)
JP (1) JP3801669B2 (de)
BR (1) BR9503542A (de)
CA (1) CA2155402C (de)
DE (1) DE69507403T2 (de)
ES (1) ES2128677T3 (de)
FR (1) FR2723474B1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2746219B1 (fr) * 1996-03-18 1998-05-07 Auxiliaire de connexion et/ou deconnexion de liaison(s) pour module de raccordement et alignement de modules de raccordement identiques ou similaires d'un ensemble et ensemble modulaire de raccordement correspondant
DE19730435C1 (de) * 1997-07-16 1998-10-29 Harting Kgaa Kontaktelement mit einem Anschluß für Litzenleiter
FR2768863B1 (fr) * 1997-09-24 1999-10-22 Schneider Electric Sa Dispositif de connexion a element de contact auto-denudant
DE10039202B4 (de) * 2000-08-10 2005-01-05 Siemens Ag Schneidklemmeinrichtung
EP1880450A2 (de) * 2005-05-10 2008-01-23 Tyco Electronics Raychem S.A. Elektrischer leitungsverbinder
CN109149452B (zh) * 2018-10-29 2024-05-03 广东电网有限责任公司 一种快速绝缘装置及其铰接机构
WO2020157563A2 (en) * 2019-01-29 2020-08-06 Appleton Grp, Llc A heat-absorbing-and-dissipating jacket for a terminal of an electrical device

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0237141A3 (de) * 1986-03-12 1988-08-10 Nortel Networks Corporation Kabelendverbinder mit den isolierungverdrängenden Klemmen
JPH0740300Y2 (ja) * 1989-05-19 1995-09-13 日本エー・エム・ピー株式会社 圧接コネクタ
US4993966A (en) * 1990-04-27 1991-02-19 Thomas & Betts Corporation Electrical connector block
US5149278A (en) * 1991-02-22 1992-09-22 Psi Telecommunications, Inc. Terminal block
JPH0629006U (ja) * 1992-09-14 1994-04-15 矢崎総業株式会社 圧接コネクタ
WO1994013032A1 (en) * 1992-12-03 1994-06-09 Communications Technology Corporation Sealed insulation displacement terminal block
US5423694A (en) * 1993-04-12 1995-06-13 Raychem Corporation Telecommunications terminal block
EP0632527B1 (de) * 1993-06-29 1999-01-20 KRONE Aktiengesellschaft Anschlussmodul
DE69317049T2 (de) * 1993-09-18 1998-07-23 Molex Inc Flacher Schneidklemmkontakt für elektrische Verbinder

Also Published As

Publication number Publication date
EP0697749A1 (de) 1996-02-21
ES2128677T3 (es) 1999-05-16
FR2723474A1 (fr) 1996-02-09
US5634811A (en) 1997-06-03
FR2723474B1 (fr) 1997-01-03
JPH0898360A (ja) 1996-04-12
BR9503542A (pt) 1996-05-28
JP3801669B2 (ja) 2006-07-26
CA2155402C (fr) 1998-06-02
DE69507403D1 (de) 1999-03-04
CA2155402A1 (fr) 1996-02-05
DE69507403T2 (de) 1999-06-24

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