EP0692851B1 - Dispositif de connexion pour conducteurs électriques - Google Patents

Dispositif de connexion pour conducteurs électriques Download PDF

Info

Publication number
EP0692851B1
EP0692851B1 EP19950401680 EP95401680A EP0692851B1 EP 0692851 B1 EP0692851 B1 EP 0692851B1 EP 19950401680 EP19950401680 EP 19950401680 EP 95401680 A EP95401680 A EP 95401680A EP 0692851 B1 EP0692851 B1 EP 0692851B1
Authority
EP
European Patent Office
Prior art keywords
lips
fact
conductor
conductors
shoulders
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
EP19950401680
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0692851A1 (fr
Inventor
Gérard Jego
Jean-Pierre Thierry
Daniel Nourry
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.)
Schneider Electric Industries SAS
Original Assignee
Schneider Electric Industries 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 Schneider Electric Industries SAS filed Critical Schneider Electric Industries SAS
Publication of EP0692851A1 publication Critical patent/EP0692851A1/fr
Application granted granted Critical
Publication of EP0692851B1 publication Critical patent/EP0692851B1/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
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/15—Pins, blades or sockets having separate spring member for producing or increasing contact pressure
    • 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
    • H01R13/631—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for engagement only

Definitions

  • the present invention relates to a connection device for electrical conductors, in particular applicable to the jointing of a pipeline electrical distribution, this device comprising in several housings a insulating body of pairs of elastic contact clips with flared lips clamping applicable under the effect of elastic clamping means against conductors introduced in opposite directions.
  • connection device of this type is described in the patent FR-2 432 777. This device requires a rotary cam to put the two clamps torque tightening, which then form the contact bridges, in a position discarded favoring the introduction of the conductors to be connected.
  • connection devices use pairs of clamps interconnected in bridges, in which the insertion of a first conductor requires a large axial force to spread the tightening lips of a first clamp, inserting a second conductor into the second clamp requiring effort further increased by reaction of the first clamp on the second clamp.
  • the invention aims to reduce the effort of inserting a conductor into a device of the type described in the preamble. Another purpose is to facilitate the insertion of the second conductor when the opposite collets are secured under form of elastic contact bridges.
  • the body of the connection device comprises nearly each opening two shoulders directed towards the interior of the housing to retain each a clamping lip in the absence of a conductor and the free ends of the shoulders determine for the driver a passage wider than the gap existing in the absence of the conductor between the clamping lips.
  • the ends of the flared clamping lips and the shoulders have suitable slopes for example, the shoulders have on one side a concave shape adapted to a convex shape of the ends of the lips and on the other side a guide slope to facilitate the introduction of the conductors.
  • the bridges can be covered on the major part of their length by leaf springs and mounted in the body on the one hand at by means of a central U-shaped clip threaded transversely on the blades and in a groove of the respective housing, on the other hand by engagement of the ends of the lips tightening against the shoulders.
  • the electrical connection device illustrated in the figures is intended for carry out the electrical junction, at the level of an electrical pipe splice of distribution, between the conductors - cables or bars - of two sections of pipe extending along an axis XX 'and to be coupled along this axis.
  • the device comprises an insulating body 10 provided with several housings axial 11 bordered by isolation partitions 12.
  • the insulating body is insertable like a drawer in a direction parallel to XX 'in a non-jointing box shown, itself positioned in the envelope of the pipeline, or alternatively can constitute this case itself.
  • the axial housings 11 of the body 10 are open laterally at 13 to allow the lateral introduction, that is to say in a direction Y perpendicular to XX ′, of the connecting members.
  • connection bodies include, for two conductors to be interconnected, two elastic clips of contact 20a, 20b located in the axial housing 11, opening opposite one of the other and each comprising two elastic axial branches 21a, 22a and 21b, 22b; the homologous branches 21a, 21b and 22a, 22b are joined together to form by continuity respective contact bridges 23,24.
  • Each branch 21,22 has at its free end a clamping lip 25 flared at 26.
  • the springs may consist of pin springs; in the example of illustrated embodiment, an elastic blade 27.28 is associated with each contact bridge also in bridge, notched in 29, substantially matching the shape in brace of the contact bridge and applied to it at least in the central area and in the lip area.
  • the connection assembly formed by the two contact bridges 23,24 and the two elastic bridges 27, 28 is secured by a clip or clip 30 in a U shape; the central clip 30 is inserted into the central grooves of the assembly of connection, at the top of the braces; and cooperates with a central groove 31 of the housing 11 to center the connection assembly.
  • the insulating body 10 presents towards the outside of the housing 11 and near the free end of each branch 21, 22, between the axial opening 14, 15 of the housing and the tightening lip 25, two shoulders 32 formed by tongues or similar rigid projections of curved shape with a slope adapted to that of the convex curved ends of the lips.
  • Each shoulder 32 has towards the convex end of the lip a concave bearing face 33 for this end and on the side opposite to the lip an inclined face 34 whose slope serves to guide and center the conductors C.
  • the plane facets parallel to XX 'which form the free ends 35 of the shoulders 32 determine for the conductor C a passage 36 of width a greater than the width b existing in the absence of the conductor between the lips 25 (FIG. 2).
  • the difference e existing at rest between a shoulder and the internal edge of the associated lip is indicated in FIGS. 2 and 3.
  • the respective work and rest positions are illustrated by the top and bottom connection assemblies in FIG. 1. It can also be noted that the isolation partitions 12 are slightly indented at 37 near the shoulders 32 to allow sufficient travel of the branches 21, 22 of the clamps and of the ends of the clamping lips 25 without reducing the leading section of the partitions.
  • the device described makes it possible to reduce the insertion effort of a conductor C in the contact clip associated with it and, more particularly, when a first conductor was introduced into a first clamp 21a, 22a (left part at the top of figure 1), keep a moderate value for the insertion effort of the second conductor (right part at the top of figure 1) of the second clamp 21b, 22b, since the reaction due to the insertion of the first conductor is resumed by the shoulders 32 associated with the second clamp. It should be noted that the isolation walls, subjected to opposite forces from the shoulders adjacent housing, can remain relatively thin.

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Multi-Conductor Connections (AREA)
  • Connections Arranged To Contact A Plurality Of Conductors (AREA)
EP19950401680 1994-07-13 1995-07-12 Dispositif de connexion pour conducteurs électriques Expired - Lifetime EP0692851B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9408836 1994-07-13
FR9408836A FR2722616B1 (fr) 1994-07-13 1994-07-13 Dispositif de connexion pour conducteurs electriques

Publications (2)

Publication Number Publication Date
EP0692851A1 EP0692851A1 (fr) 1996-01-17
EP0692851B1 true EP0692851B1 (fr) 2000-01-19

Family

ID=9465462

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19950401680 Expired - Lifetime EP0692851B1 (fr) 1994-07-13 1995-07-12 Dispositif de connexion pour conducteurs électriques

Country Status (4)

Country Link
EP (1) EP0692851B1 (es)
DE (1) DE69514582T2 (es)
ES (1) ES2141312T3 (es)
FR (1) FR2722616B1 (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4007279B2 (ja) * 2003-08-07 2007-11-14 住友電装株式会社 雌端子金具

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1225403A (fr) * 1958-05-27 1960-06-30 Dispositif de raccord électrique à fiche avec organes de contact élastiques
GB869810A (en) * 1958-12-13 1961-06-07 Brookhirst Switchgear Ltd Improvements in or relating to electrical connecting devices
US3482201A (en) * 1967-08-29 1969-12-02 Thomas & Betts Corp Controlled impedance connector
FR2432777A1 (fr) * 1978-07-31 1980-02-29 Telemecanique Electrique Dispositif de connexion pour des extremites de barres omnibus disposees dans une gaine
GB2035717B (en) * 1978-10-26 1982-09-22 Electrical Contact Assemblies Electrical contact assemblies

Also Published As

Publication number Publication date
FR2722616B1 (fr) 1996-08-23
ES2141312T3 (es) 2000-03-16
DE69514582D1 (de) 2000-02-24
DE69514582T2 (de) 2000-09-14
FR2722616A1 (fr) 1996-01-19
EP0692851A1 (fr) 1996-01-17

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