EP0786159B1 - Elektrische anschlussklemme mit verspannfechern - Google Patents

Elektrische anschlussklemme mit verspannfechern Download PDF

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Publication number
EP0786159B1
EP0786159B1 EP95934199A EP95934199A EP0786159B1 EP 0786159 B1 EP0786159 B1 EP 0786159B1 EP 95934199 A EP95934199 A EP 95934199A EP 95934199 A EP95934199 A EP 95934199A EP 0786159 B1 EP0786159 B1 EP 0786159B1
Authority
EP
European Patent Office
Prior art keywords
terminal according
terminal
flanges
sides
roof
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
EP95934199A
Other languages
English (en)
French (fr)
Other versions
EP0786159A1 (de
Inventor
Hervé CHAMPEAU
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.)
FCI SA
Original Assignee
Framatome Connectors International 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
Priority claimed from FR9412231A external-priority patent/FR2725839A1/fr
Priority claimed from FR9412230A external-priority patent/FR2725835A1/fr
Application filed by Framatome Connectors International SAS filed Critical Framatome Connectors International SAS
Publication of EP0786159A1 publication Critical patent/EP0786159A1/de
Application granted granted Critical
Publication of EP0786159B1 publication Critical patent/EP0786159B1/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
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/10—Sockets for co-operation with pins or blades
    • H01R13/11—Resilient sockets
    • H01R13/113—Resilient sockets co-operating with pins or blades having a rectangular transverse section
    • 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

Definitions

  • the present invention relates to contact terminals electric intended to receive male contact blades. It finds an important application in the modules of electrical connection intended to receive a layer of wires, of the kind used in particular in the automotive field.
  • the invention relates more particularly to the terminals of one-piece electrical contact in folded sheet metal, in accordance with the preamble of claim 1.
  • the wall of the cage is at double wall on three sides, which has the advantage of giving to the cage great rigidity, but in return increases its size in all directions.
  • the present invention aims in particular to provide a terminal of electrical contact of the kind defined above having small transverse dimensions, and constituting a compromise satisfying between space and rigidity.
  • the invention notably proposes a terminal for contact of the type defined above according to the characterizing part of claim 1.
  • the size of the terminal in the direction parallel to the bottom and the ceiling can be scaled down. Because the cage constitution is preserved, the rigidity is still high. It is further increased by local doubling of the thickness of the ceiling.
  • the flat blank intended to make the terminal is advantageously cut so that the coming into contact of the two edges side of the blank in the front part is done in a side. More precisely, in an advantageous embodiment, a lower part on one side is attached to an edge from the bottom by a 90 ° fold while the other side, the ceiling and the upper part of the first side connect to the other edge of the bottom by a 90 ° fold parallel to the first.
  • the upper part can in particular end towards the rear substantially in the transverse extension of the 180 ° bend of connection of the corresponding contact blade and the terminal edge of the upper part takes support against the widening edge of the lower part.
  • the contact terminal according to the invention advantageously comprises a self-stripping or displacement rear part insulation, intended to make an electrical connection with the wires of a conductor ribbon or a flat cable.
  • the present invention also aims to provide a terminal of electrical contact of the type defined above having small transverse dimensions, and having means of displacement of insulation which reinforce the terminal and present less risk of spreading than previously known.
  • the invention proposes a terminal whose means displacement of insulator according to claim 6.
  • the branches of the latter resist separation more than wings belonging to two opposite flanks. Contact with the conductive part of the wire takes place on an increased surface.
  • each branch of the fork may have at its end a transverse beak directed outwards, recessed in a notch on the respective side.
  • the wings are folded not only towards each other, but also slightly forward. Folding at an angle of 120 ° approximately will generally give satisfactory results. However, it is still possible to carry out a simple folding at 90 °.
  • Such insulation displacement means can be used in terminals having a constitution of the front part different from that mentioned above.
  • the electrical contact terminal 10 shown in Figures 1 to 6 can be viewed as having a front part intended to receive a male contact blade 12 and a rear part constituting a crimp barrel.
  • the front part of terminal 10 has a cage shape having a bottom 22, two sides 24a and 24b and a ceiling 26.
  • the entire side 24b is formed by bending at 90 ° an original blank, around one of the longitudinal edges of the bottom 22.
  • the ceiling 26 is connected to side 24b by another 90 ° fold.
  • the other side 24a is not entirely formed by folding back 90 ° from the original blank around the other bottom edge 22.
  • the blank has a rectangular notch making an edge 28 appears. This notch is filled with a fraction of the original blank located on the other side of the bottom 22, folded 90 ° around the edge of the ceiling 26.
  • the contact line 30 between the two fractions on side 24a will be approximately in the midplane on this side.
  • the bottom 22 is cut so as to constitute a first elastic contact blade 32 intended to rest on the blade male contact 12 when it is inserted.
  • An extension from the bottom folded backwards constitutes a flap 34 of holding the blade 32 in preload.
  • a second electrical contact blade 36 arranged in face of the blade 32, is integral with the ceiling 26. It is formed from a rear extension of the blank which is folded 180 ° and curved. The rear part of the blade 36 as well formed is supported against the ceiling. Its front part has substantially the same shape as that of the blade 32 and it, too, is retained in prestress by a flap 34.
  • a window 37 can be cut in the ceiling 26 and extend over the sides to receive a finger locking.
  • the edge 28 is advantageously substantially in the same transverse plane that the extension foot which will give birth to the terminal elastic 36, and therefore the 180 ° fold.
  • the rear part of the contact terminal has two tabs or tabs 16 which, before mounting a wire, are are located in the extension of sides 24a and 24b. They are intended to be crimped or shrunk onto the insulation of a conductor, which may belong to a ribbon cable. In sufficiently separating the sides of the front part and the rear part, it is possible to make them so simple by cutting a blank and folding.
  • the rear part of the terminal shown as an example further comprises, in front of the legs 16, means for displacement of insulation in two locations staggered along of the terminal.
  • These means include two wings 38 extending the sides 24a and 24b, formed by cutting the blank and folding at 90 ° around orthogonal lines at the bottom, oriented perpendicular to the direction of elongation of the contact and delimiting a slot of width adapted to that some thread.
  • the edges opposite the wings can be parallel over their entire length or give the slot an entrance convergent.
  • the notches in the blank which separate them from the bottom 22 can protrude these wings forward.
  • the insulation displacement means of the terminal shown also include a fork 40 placed in front of the wings 38 and parallel to these wings.
  • This fork is made up by a fraction which is cut in the part of the blank which gives rise to the floor and which is folded 90 ° around of a transverse line 42. This fraction can have a width as it rests on the sides when the bollard is finished.
  • the fork can be extended at its upper end by transverse nozzles 44 directed outwards.
  • these spouts are embedded in notches 46 made in the upper edge sides 24a and 24b. The installation thus carried out keeps the fork 40 in its nominal position even when subjected to the pressure of the insulation of a wire which is pressed in the direction of arrow f of the figure 6.
  • the successive folds to be carried out emerge from the constitution of the terminal and can be carried out on a transfer line.
  • connection between the spouts 44 and the sides 24a and 24b are comparable to an embedding, we give advantageously at the notches 46 a width slightly less than the thickness of the strip which constitutes the terminal and at least one of the edges of the notches is slightly deformed, as shown in Figure 6, before folding the sides.
  • the folding tool exerts efforts in the direction of the arrows f1 to pinch the pins 44.
  • the invention has allowed to make terminals intended to receive male tabs having a cross section of 0.63 x 0.63 mm, capable of be spread in steps of 2.50 mm (one tenth of an inch).
  • a 0.15 mm strip construction is possible.
  • the contact terminal can be used in modules connectors of known constitution, for example of the kind described in (the document FR-A-2 703 520).
  • the invention is susceptible of numerous variants of production.
  • the rear part of the terminal may have a constitution different from that which has been described is shown in Figure 6.
  • the terminal can also be used on a discrete wire.
  • the front part of the terminal may have a constitution different from that which has been described, by example that described in document EP-A-0310487.

Landscapes

  • Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
  • Insulation, Fastening Of Motor, Generator Windings (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Discharge Heating (AREA)
  • Cable Accessories (AREA)

Claims (12)

  1. Elektrische Anschlußklemme aus einem einzigen Stück gefalzten Blechs, die folgendes aufweist:
    einen vorderen, einsteckbaren Abschnitt in Form eines Käfigs mit einem Boden (22), zwei Seiten (24a, 24b) und einer Decke (26), wobei der Boden und die Decke ausgeschnitten sind, um jeweils eine nach vorne überkragende elastische Kontaktzunge (32, 36) zu bilden, und mit einer vorderen Krempe (34) zum Halten der entsprechenden vorgespannten Zunge
    einen hinteren Abschnitt zur Verbindung mit einem Draht, mit umlegbaren Lappen (16) zum Crimpen an die Isolierung eines Drahtes,
    dadurch gekennzeichnet, daß die zur Decke gehörige Zunge (36) aus einer hinteren Verlängerung der um 180° nach innen und nach vorne gebogenen Decke gebildet wird und daß der Boden (22) und die Seiten (24a, 24b) einwandig sind.
  2. Anschlußklemme nach Anspruch 1, dadurch gekennzeichnet, daß ein unterer Abschnitt einer ersten Seite (24a) mit einer Kante des Bodens (22) durch einen Falz um 90° verbunden ist, während die andere Seite (24b), die Decke (26) und der obere Abschnitt der ersten Seite (24a) über einen zum ersten Falz um 90° parallelen Falz um 90° mit der anderen Kante des Bodens verbunden sind.
  3. Anschlußklemme nach Anspruch 2, dadurch gekennzeichnet, daß der obere Abschnitt nach hinten im wesentlichen in der Quer-Verlängerung des Falzes um 180° zur Verbindung der entsprechenden Kontaktzunge endet und sich die Endkante des oberen Abschnitts gegen die Kante einer Verbreiterung des unteren Abschnitts abstützt.
  4. Anschlußklemme nach Anspruch 1, 2 oder 3, gekennzeichnet durch ein Fenster (37) zur Aufnahme eines in der Decke angeordneten Riegelfingers.
  5. Anschlußklemme nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der hintere Abschnitt Mittel zur Verschiebung von Isolierung (38, 40) trägt.
  6. Anschlußklemme nach Anspruch 5, dadurch gekennzeichnet, daß die Mittel zur Verschiebung von Isolierung folgendes aufweisen:
    zum einen zwei Flügel (38), die dadurch gebildet werden, daß Endabschnitte der beiden Seiten (24a, 24b) des Käfigs aufeinander zugebogen werden, wobei die Flügel einen zu den Seiten parallelen Schlitz festlegen,
    zum anderen eine Gabel (40), die vor den Flügeln und parallel zu diesen angeordnet ist und durch Biegen um 90° einer hinteren Verlängerung eines Bodens (22) des Käfigs um eine Querlinie gebildet wird und sich auf den Seiten abstützt.
  7. Anschlußklemme nach Anspruch 6, dadurch gekennzeichnet, daß die Zweige der Gabel (40) an ihrem Ende eine Querlasche (44) aufweisen, die nach außen gerichtet und in einer Kerbe (46) der jeweiligen Seite (24a, 24b) eingefügt ist.
  8. Anschlußklemme nach Anspruch 7, dadurch gekennzeichnet, daß die Kerben (46) eine etwas geringere Breite als die Dicke der Gabel aufweisen.
  9. Anschlußklemme nach Anspruch 6, 7 oder 8, dadurch gekennzeichnet, daß die beiden Flügel (38) aufeinander zu sowie nach vorne gebogen sind, so daß der Draht mit größerer Kraft gehalten wird.
  10. Anschlußklemme nach Anspruch 9, dadurch gekennzeichnet, daß die Flügel (38) um ungefähr 120° gebogen sind.
  11. Anschlußklemme nach einem der Ansprüche 6 bis 10, gekennzeichnet durch bogenförmige Ausschnitte an der Basis der Flügel an ihrer Verbindung mit dem Boden (22).
  12. Anschlußklemme nach einem der Ansprüche 6 bis 11, gekennzeichnet durch Stanzgrate (48) am Boden, an den Seiten und zwischen den Flügeln (38) und der Gabel (40).
EP95934199A 1994-10-13 1995-10-11 Elektrische anschlussklemme mit verspannfechern Expired - Lifetime EP0786159B1 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
FR9412231 1994-10-13
FR9412231A FR2725839A1 (fr) 1994-10-13 1994-10-13 Borne electrique a lames de contact precontraintes
FR9412230A FR2725835A1 (fr) 1994-10-13 1994-10-13 Borne de contact electrique auto-denudante
FR9412230 1994-10-13
PCT/FR1995/001325 WO1996012324A1 (fr) 1994-10-13 1995-10-11 Borne electrique a lames de contact precontraintes

Publications (2)

Publication Number Publication Date
EP0786159A1 EP0786159A1 (de) 1997-07-30
EP0786159B1 true EP0786159B1 (de) 1999-09-22

Family

ID=26231467

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95934199A Expired - Lifetime EP0786159B1 (de) 1994-10-13 1995-10-11 Elektrische anschlussklemme mit verspannfechern

Country Status (4)

Country Link
EP (1) EP0786159B1 (de)
AT (1) ATE185025T1 (de)
DE (1) DE69512427T2 (de)
WO (1) WO1996012324A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2826786B1 (fr) 2001-06-29 2004-03-05 Framatome Connectors Int Contact electrique femelle
EP2487757B1 (de) * 2011-02-10 2014-07-02 Delphi Technologies, Inc. Elektrisches Anschlusselement

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60110930U (ja) * 1983-12-27 1985-07-27 アムプ　インコ−ポレ−テツド 雌形電気接触子
FR2621180B1 (fr) * 1987-09-28 1990-01-12 Francelco Sa Borne de contact electrique de type cage
DE3885281D1 (de) * 1988-09-07 1993-12-02 Weidmueller Interface Doppelflachfederkontakt.
DE3942276A1 (de) * 1989-12-21 1991-07-04 Telefonbau & Normalzeit Gmbh Kontaktfederbuchse zum steckbaren verbinden von kabeladern und schaltdraehten
FR2673490B3 (fr) * 1991-03-01 1993-06-25 Francelco Procede de fabrication de contact electrique par decoupe et pliage.
FR2699010B1 (fr) * 1992-12-07 1994-12-30 Cinch Connecteurs Sa Organe de contact électrique femelle.
FR2703520B1 (fr) * 1993-04-02 1997-04-30 Francelco Sa Module connecteur électrique et procédé de montage d'un tel module.

Also Published As

Publication number Publication date
DE69512427T2 (de) 2000-02-17
EP0786159A1 (de) 1997-07-30
ATE185025T1 (de) 1999-10-15
WO1996012324A1 (fr) 1996-04-25
DE69512427D1 (de) 1999-10-28

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