EP0658283B1 - Contact de raccordement electrique en une seule piece - Google Patents

Contact de raccordement electrique en une seule piece Download PDF

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Publication number
EP0658283B1
EP0658283B1 EP93919215A EP93919215A EP0658283B1 EP 0658283 B1 EP0658283 B1 EP 0658283B1 EP 93919215 A EP93919215 A EP 93919215A EP 93919215 A EP93919215 A EP 93919215A EP 0658283 B1 EP0658283 B1 EP 0658283B1
Authority
EP
European Patent Office
Prior art keywords
contact
insulation displacement
legs
loop
displacement contacts
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
EP93919215A
Other languages
German (de)
English (en)
Other versions
EP0658283A1 (fr
Inventor
Hans-Dieter Otto
Thomas Wabnitz
Ralf Korte
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.)
3M Deutschland GmbH
Original Assignee
Quante 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 Quante GmbH filed Critical Quante GmbH
Publication of EP0658283A1 publication Critical patent/EP0658283A1/fr
Application granted granted Critical
Publication of EP0658283B1 publication Critical patent/EP0658283B1/fr
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
    • H01R4/2416—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type
    • H01R4/2445—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type the contact members having additional means acting on the insulation or the wire, e.g. additional insulation penetrating means, strain relief means or wire cutting knives
    • H01R4/245—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type the contact members having additional means acting on the insulation or the wire, e.g. additional insulation penetrating means, strain relief means or wire cutting knives the additional means having two or more slotted flat portions
    • H01R4/2454—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type the contact members having additional means acting on the insulation or the wire, e.g. additional insulation penetrating means, strain relief means or wire cutting knives the additional means having two or more slotted flat portions forming a U-shape with slotted branches

Definitions

  • the present invention relates to a one-piece connection contact with two symmetrically arranged insulation displacement contacts according to the preamble of claim 1.
  • connection contact is known from EP-A2-0 344 526.
  • the symmetrically arranged and similarly designed insulation displacement contacts of this known connection contact each comprise an insulation displacement slot, a contact and guide surface and a shear element.
  • the connection contact has two contact legs, which are connected at one end to one of the two insulation displacement contacts, with a normally closed contact being formed between the free ends of the contact legs.
  • the two insulation displacement contacts are connected to one another via a connecting section and thus form the one-piece connection contact.
  • In the known connection contact is neither stripped nor Cut the wire to length with a one-legged wiring tool, for example a screwdriver, into the insulation displacement slot. When this is pressed in, the wire insulation is partially severed in one operation, the wire is contacted and the protruding wire end is cut off on the shear element.
  • the normally closed contact formed between the contact legs enables the insertion of a test or measuring plug with which the wires can be checked.
  • protective devices can be introduced into the normally closed contact.
  • connection contact the shear elements are formed by two angled shear strips. Furthermore, the section connecting the two insulation displacement contacts consists of a flat wall section. The contact pressure between the contact legs of the normally closed contact is generated by asymmetrical pressing of the two contact legs.
  • connection contact of the type mentioned at the outset in that the connecting section is in the form of an essentially U-shaped or V-shaped loop, one leg of the loop serving in each case as a shearing element for a wire after an insulation displacement contact .
  • connection contact Due to the inventive design of the connecting portion in the form of a loop in a predetermined width, the contact pressure between the contact legs of the normally closed contact can be set as desired in a simple manner. This creates a fatigue-free break contact, the contact force of which remains constant even after repeated actuation. Finally, the connection contact according to the invention can be produced extremely economically, since a separate design of the shear elements, compared to the prior art, is dispensed with by using the upper end faces of the legs of the loop as shear elements. The selected width of the loop thus serves on the one hand to adjust the contact force between the contact legs and at the same time acts as a shear element.
  • the loop can be at least partially sharp-edged, which makes it easier to shear off the wire to be contacted.
  • at least one contact leg of the normally closed contact can be formed with a contact bead, as a result of which a high contact pressure is brought about at a defined point.
  • FIG. 3A shows a one-piece connection contact 10, which consists of a main part 12, to which two extension parts are connected as insulation displacement contacts 14.
  • an insulation displacement slot 16 is formed, which has an insertion opening 18 (FIG. 1).
  • the main part 12 has two contact and guide surfaces 20 which are angled at right angles to the insulation displacement contacts 14.
  • Two contact legs 22, 23 are connected at their one (lower) end to the main part 12 and are also angled at right angles to the main part. In the vicinity of the free end of the legs, a normally closed contact 24 is formed between the contact legs, the leg 22 having a contact bead 26.
  • the section 27 connecting the two symmetrically formed and arranged insulation displacement contacts 14 is designed in the form of an essentially U-shaped loop 28, which is also connected in one piece to the main part 12.
  • one leg 30 of the U-shaped loop 28 serves as a wire shearing element downstream of the extension part with the insulation displacement slot 16.
  • the edges 31 of the legs 30 of the loop 28 are formed with sharp edges in order to facilitate shearing of the wire to be contacted.
  • the connecting section 27, which forms the loop 28, is provided with two incisions 29.
  • connection contact The production of the connection contact according to the invention is described below with reference to FIGS. 1 to 3A.
  • the contact piece forming the connection contact is pre-punched in a follow-up tool from a flat metal and is given the shape shown in FIG. 1, the silver-plated contact piece subsequently being silvered. 1 shows, the insulation displacement slot 16, the two contact legs 22, 23 and the contact and guide surfaces 20 are already formed.
  • two U-shaped recesses 17 are provided on the underside of the contact piece, which facilitate the angling of the insulation displacement contacts 14.
  • the incisions 29 in the connecting, but not yet loop-shaped section 27 are also already formed.
  • the silver-plated contact piece is pre-bent, as shown in FIG. 2. After this step, both the contact legs 22, 23 and the extension parts serving as insulation displacement contacts 14 are angled at right angles to the main part 12.
  • the one-piece connection contact is completed in a final step, the width of the loop 28 making it possible to adjust the contacting force between the contact legs 22, 23 of the normally closed contact by bending to different degrees.
  • the contact legs pressed more or less strongly against each other.
  • a measuring and test plug can be inserted into the normally closed contact 24, with the aid of which measurements can be carried out on the wires which have been contacted at the insulation displacement contacts.
  • overvoltage protection devices can be inserted into the normally closed contact and contacted.

Landscapes

  • Coupling Device And Connection With Printed Circuit (AREA)
  • Connections By Means Of Piercing Elements, Nuts, Or Screws (AREA)
  • Multi-Conductor Connections (AREA)
  • Cable Accessories (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
  • Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)

Claims (6)

  1. Contact de raccordement en une seule pièce, comportant deux contacts à serrage et découpage (14), comprenant chacun une fente de serrage-découpage (16), une surface de contact et de guidage (20) ainsi qu'un élément de cisaillement, avec
    - deux branches de contact (22, 23), reliées à chacune de leurs extrémités à un contact à serrage-découpage (14),
    - un contact de repos (24) constitué entre les extrémités libres des branches de contact, et
    - une section (27) reliant les contacts à serrage-découpage (14),
    caractérisé en ce que
    - la section de liaison (27) est réalisée sous la forme d'une boucle (28) sensiblement en forme de U ou de V,
    - au moins une branche (30) de la boucle (28) en forme de U ou de V étant disposée en aval d'un contact à serrage-découpage (14) à titre d'élément de cisaillement d'âme.
  2. Contact de raccordement selon la revendication 1, caractérisé en ce qu'il est constitué d'une partie principale (12) d'où sont repliés à angle droit la branche de contact (22, 23) et les contacts à serrage-découpage (14).
  3. Contact de raccordement selon la revendication 1, caractérisé en ce que la partie principale (12) est pourvue de deux évidements (17) facilitant le pliage des contacts à serrage-découpage (14).
  4. Contact de raccordement selon la revendication 1, caractérisé en ce que la boucle (28) est réalisée au moins partiellement à bords vifs.
  5. Contact de raccordement selon la revendication 1, caractérisé en ce qu'au moins une branche de contact (22) est réalisée avec une moulure de mise en contact (26).
  6. Contact de raccordement selon la revendication 1, caractérisé en ce que la section de liaison (27) est pourvue de deux entailles (29).
EP93919215A 1992-09-04 1993-08-30 Contact de raccordement electrique en une seule piece Expired - Lifetime EP0658283B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE9211917U DE9211917U1 (fr) 1992-09-04 1992-09-04
DE9211917U 1992-09-04
PCT/EP1993/002336 WO1994006171A1 (fr) 1992-09-04 1993-08-30 Contact de raccordement electrique en une seule piece

Publications (2)

Publication Number Publication Date
EP0658283A1 EP0658283A1 (fr) 1995-06-21
EP0658283B1 true EP0658283B1 (fr) 1996-05-22

Family

ID=6883409

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93919215A Expired - Lifetime EP0658283B1 (fr) 1992-09-04 1993-08-30 Contact de raccordement electrique en une seule piece

Country Status (17)

Country Link
EP (1) EP0658283B1 (fr)
AT (1) ATE138504T1 (fr)
BG (1) BG61415B1 (fr)
BR (1) BR9305804A (fr)
CA (1) CA2127791A1 (fr)
DE (2) DE9211917U1 (fr)
EC (1) ECSP930979A (fr)
EE (1) EE03011B1 (fr)
ES (1) ES2089840T3 (fr)
GE (1) GEP19981323B (fr)
GR (1) GR3020007T3 (fr)
MD (2) MD1083C2 (fr)
PL (1) PL172672B1 (fr)
RO (1) RO111517B1 (fr)
RU (1) RU2091931C1 (fr)
TR (1) TR27225A (fr)
WO (1) WO1994006171A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MD24C2 (ro) * 1991-07-09 1994-05-31 Fabrica De Parfumerii Si Cosmetica "Viorica" Compoziţie de substanţe odorante
US9751244B2 (en) 2012-05-15 2017-09-05 The Patent Well LLC Elastomeric gasket for fuel access door of an aircraft wing and a method for making the same

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2804478C2 (de) * 1978-01-31 1982-11-25 Krone Gmbh, 1000 Berlin Elektrischer Klemmverbinder zur löt-, schraub- und abisolierfreien Herstellung eines Kontaktes an einem feststehenden Anschlußelement, insbesondere für die Fernmeldelinientechnik
DE3021798C2 (de) * 1980-06-11 1982-03-11 Krone Gmbh, 1000 Berlin Vorrichtung und Verfahren zur Herstellung eines Doppelkontaktes an einem löt-, schraub- und abisolierfreiem Klemmverbinder
DE3137429C2 (de) * 1981-09-19 1984-03-22 Krone Gmbh, 1000 Berlin Anschlußeinrichtung in einer Anschlußleiste
EP0112051B1 (fr) * 1982-11-22 1986-10-29 Molex Incorporated Borne électrique pour terminer des conducteurs isolés
DE3730662A1 (de) * 1987-09-10 1989-03-30 Krone Ag Anschlussvorrichtung der fernmeldetechnik
US5030132A (en) * 1987-12-17 1991-07-09 Amp Incorporated Bidirectional insulation displacement electrical contact terminal
DE3818497C5 (de) * 1988-05-31 2005-05-25 Quante Ag Anschlußblock für eine Kabelabschlußeinheit

Also Published As

Publication number Publication date
DE59302708D1 (de) 1996-06-27
BG61415B1 (en) 1997-07-31
EP0658283A1 (fr) 1995-06-21
BG98879A (bg) 1995-03-31
WO1994006171A1 (fr) 1994-03-17
ES2089840T3 (es) 1996-10-01
ATE138504T1 (de) 1996-06-15
ECSP930979A (es) 1994-03-21
MD950267A (en) 1997-01-31
MD1083C2 (ro) 1999-04-30
GR3020007T3 (en) 1996-08-31
DE9211917U1 (fr) 1992-11-12
TR27225A (tr) 1994-12-20
BR9305804A (pt) 1997-02-18
CA2127791A1 (fr) 1994-03-17
PL172672B1 (pl) 1997-10-31
RO111517B1 (ro) 1996-10-31
GEP19981323B (en) 1998-05-11
PL304340A1 (en) 1995-01-09
MD940013U (ro) 1995-06-30
RU2091931C1 (ru) 1997-09-27
EE03011B1 (et) 1997-06-16
RU94040380A (ru) 1996-08-20

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