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EP0407249B1 - Female electric contact terminal - Google Patents

Female electric contact terminal Download PDF

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Publication number
EP0407249B1
EP0407249B1 EP19900401704 EP90401704A EP0407249B1 EP 0407249 B1 EP0407249 B1 EP 0407249B1 EP 19900401704 EP19900401704 EP 19900401704 EP 90401704 A EP90401704 A EP 90401704A EP 0407249 B1 EP0407249 B1 EP 0407249B1
Authority
EP
European Patent Office
Prior art keywords
contact
contact terminal
blade
bar
female electric
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
EP19900401704
Other languages
German (de)
French (fr)
Other versions
EP0407249A1 (en
Inventor
Jean Ittah
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.)
Safran Electrical and Power SAS
Original Assignee
Labinal SA
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 Labinal SA filed Critical Labinal SA
Publication of EP0407249A1 publication Critical patent/EP0407249A1/en
Application granted granted Critical
Publication of EP0407249B1 publication Critical patent/EP0407249B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02Contact members
    • H01R13/10Sockets for co-operation with pins or blades
    • H01R13/11Resilient sockets
    • H01R13/115U-shaped sockets having inwardly bent legs, e.g. spade type

Definitions

  • the present invention relates to a female electrical contact member intended to be placed in a housing of an insulating housing and to receive a corresponding male member constituted either by a simple tongue, or by a printed circuit.
  • the invention relates to an electrical contact member of the type formed by a body made of a material that is good conductor of electricity, cut and folded to have a substantially U-shape with at one end means for its attachment to an electrical conductor and at its other end, two elastic contact bars intended to enclose between them a male contact member, said elastic bars being protected by external tabs.
  • the elastic bars are cut out from the free edges of the outer tabs so that said elastic bars are folded inside the tabs, the folded edges then also being folded over so as to extend one by look of the other.
  • One of the aims of the present invention is to provide a contact member of the above type which is much less expensive to manufacture.
  • the female electrical contact member is of the type formed by a body made of a material which is good conductor of electricity and endowed with a certain elasticity, said body being cut and folded to take the shape of a U with a core and two wings, one end of said body being shaped to present means for fixing it to an electrical conductor, while at its other end, the wings of the U are extended, on the one hand, by two contact strips intended to elastically enclose a corresponding male contact member such as a tab or printed circuit and, on the other hand, by two tabs extending on both sides of the contact strips and intended to protect them, said member being characterized in that the tongues are formed by an extension of the free edge of each contact strip, in the vicinity of the means of attachment to a electrical conductor, each said extension extending over the entire length of the corresponding contact strip and being folded to extend on the side of the external face of said corresponding strip.
  • each tab has a dimension slightly larger than the corresponding contact strip and has a flange, the flanges of the two tongues facing each other.
  • the flanges delimit the maximum thickness of the male member that can be used with the female contact member and the tongues thus have good mechanical strength.
  • the body may include between the contact bars a folded plate to extend perpendicular to the core of the U.
  • a stop is thus produced in a simple manner limiting the depth of introduction of the male organ in the female contact organ, according to the invention.
  • the plate can constitute a stop limiting the introduction of the conductor between the fixing means thereof.
  • the plate constitutes a barrier for said insulating material.
  • the contact member shown in the figures is made of a metal strip that conducts electricity well and has a certain elasticity.
  • the strip is cut to present a body 1 with at one end two tabs 2 intended to be crimped onto a conductor and in the vicinity of these two tabs, two other tabs 4 intended to be crimped onto a stripped end of said conductor.
  • the body 1 On the side opposite the legs 2, the body 1 is cut to present two bars 6 and 7 and two tongues 5 and 8 extending parallel to each other and substantially parallel to the longitudinal axis of the body 1.
  • a wide opening 9 in the bottom of which is cut a plate 10 intended to constitute a stop.
  • the tongue 5 has at its free end two notches 11 and is separated from the bar 6 by a slot 12, the bottom of which forms a wider notch 13.
  • the tongue 5 in the vicinity of its free end, is provided with an opening 14.
  • the tongue 8 is separated from the bar 7 by a slot 17, the bottom of which forms a wide notch 18.
  • the tongue 8 is pierced with an opening 19 in the vicinity of its free end which has two notches 20.
  • the free edge of the tongue 5 is folded to form a flange 5 a , while the part of the free end located between the two notches is folded to form a flange 5 b and the edge adjacent to slot 12 is folded to form a ledge 5 c .
  • the strip 6 is intended to form one of the contact strips and has a length and a width corresponding to the space delimited by the flanges 5 a , 5 b and 5 c .
  • the tongue 8 is identical to the tongue 5 and has flanges 8 a , 8 b and 8 c .
  • the strip 7 has the same dimensions as the strip 6 and constitutes the contact strip.
  • the body 1 is folded into a U to present a core 1 a and two wings 1 b and 1 c , while the plate 10 is folded at 90 ° so as to extend into the core of the U substantially perpendicular thereto. , the two contact strips 6 and 7 coming to be located opposite one another by extending the wings 1b and 1c and the facing faces of said strips being connected so that the free ends diverge.
  • the tongue 5 is folded along a line extending the slot 12 so as to extend on the side of the external face of the contact strip 6.
  • the tongue 8 is folded in the same way as the tongue 5 in order to extend on the side of the external face of the contact strip 7.
  • a female contact member is thus produced which offers great safety in use. Indeed, when this member is inserted in a housing, the contact strips 6 and 7 are protected and do not risk being deformed. Thanks to the flanges 8 a , 8 b and 8 c and 5 a , 5 b and 5 c , a space is defined which corresponds to the thickness not to be exceeded for the male contact member to be inserted between the contact strips 6 and 7.
  • the male contact organ can be a simple tab or a printed circuit and said male contact member can be inserted between the contact strips 6 and 7 in the axis of the female contact member, according to the invention, as well as by tilting, pivoting Or other. Finally, such a female contact member can easily be locked in a housing of a housing, the latter comprising projections or stops cooperating with the openings 14, the flanges 8b , 5b or the notches 13 and 18.

Landscapes

  • Coupling Device And Connection With Printed Circuit (AREA)
  • Connecting Device With Holders (AREA)
  • Connector Housings Or Holding Contact Members (AREA)

Description

La présente invention vise un organe de contact électrique femelle destiné à être placé dans un logement d'un boîtier isolant et à recevoir un organe mâle correspondant constitué soit par une simple languette, soit par un circuit imprimé.The present invention relates to a female electrical contact member intended to be placed in a housing of an insulating housing and to receive a corresponding male member constituted either by a simple tongue, or by a printed circuit.

L'invention vise un organe de contact électrique du type formé d'un corps réalisé en une matière bonne conductrice de l'électricité découpé et plié pour présenter une forme sensiblement en U avec à une extrémité des moyens pour sa fixation à un conducteur électrique et à son autre extrémité deux barrettes élastiques de contact destinées à enserrer entre elles un organe mâle de contact, lesdites barrettes élastiques étant protégées par des languettes extérieures.The invention relates to an electrical contact member of the type formed by a body made of a material that is good conductor of electricity, cut and folded to have a substantially U-shape with at one end means for its attachment to an electrical conductor and at its other end, two elastic contact bars intended to enclose between them a male contact member, said elastic bars being protected by external tabs.

Une telle disposition est notamment décrite dans le brevet français 2 621 180.Such an arrangement is described in particular in French patent 2,621,180.

Dans la réalisation décrite dans ce brevet, les barrettes élastiques sont découpées dans les bords libres des languettes extérieures de sorte que lesdites barrettes élastiques sont pliées à l'intérieur des languettes, les bords pliés étant ensuite également repliés pour s'étendre l'un en regard de l'autre.In the embodiment described in this patent, the elastic bars are cut out from the free edges of the outer tabs so that said elastic bars are folded inside the tabs, the folded edges then also being folded over so as to extend one by look of the other.

Une telle disposition présente l'inconvénient d'être relativement chère et de nécessiter un outillage complexe.Such an arrangement has the disadvantage of being relatively expensive and of requiring complex tools.

L'un des buts de la présente invention est de réaliser un organe de contact du type ci-dessus beaucoup moins onéreux à fabriquer.One of the aims of the present invention is to provide a contact member of the above type which is much less expensive to manufacture.

Selon l'invention, l'organe de contact électrique femelle est du type formé d'un corps en une matière bonne conductrice de l'électricité et doué d'une certaine élasticité, ledit corps étant découpé et plié pour affecter la forme d'un U avec une âme et deux ailes, une extrémité dudit corps étant conformée pour présenter des moyens pour sa fixation à un conducteur électrique, tandis qu'à son autre extrémité les ailes du U sont prolongées, d'une part, par deux barrettes de contact destinées à enserrer élastiquement un organe de contact mâle correspondant tel qu'une languette ou circuit imprimé et, d'autre part, par deux languettes s'étendant de part et d'autre des barrettes de contact et destinées à protéger celles-ci, ledit organe étant caractérisé en ce que les languettes sont formées par un prolongement du bord libre de chaque barrette de contact, au voisinage des moyens de fixation à un conducteur électrique, chaque dit prolongement s'étendant sur toute la longueur de la barrette de contact correspondante et étant pliée pour s'étendre du côté de la face externe de ladite barrette correspondante.According to the invention, the female electrical contact member is of the type formed by a body made of a material which is good conductor of electricity and endowed with a certain elasticity, said body being cut and folded to take the shape of a U with a core and two wings, one end of said body being shaped to present means for fixing it to an electrical conductor, while at its other end, the wings of the U are extended, on the one hand, by two contact strips intended to elastically enclose a corresponding male contact member such as a tab or printed circuit and, on the other hand, by two tabs extending on both sides of the contact strips and intended to protect them, said member being characterized in that the tongues are formed by an extension of the free edge of each contact strip, in the vicinity of the means of attachment to a electrical conductor, each said extension extending over the entire length of the corresponding contact strip and being folded to extend on the side of the external face of said corresponding strip.

On réalise ainsi un organe de contact électrique femelle qui est peu cher et qui offre une grande sécurité.This produces a female electrical contact member which is inexpensive and which offers great security.

Suivant une autre caractéristique, chaque languette a une dimension légèrement plus grande que la barrette de contact correspondante et présente un rebord, les rebords des deux languettes se faisant vis à vis. Ainsi, les rebords délimitent l'épaisseur maximale de l'organe mâle pouvant être utilisé avec l'organe de contact femelle et les languettes présentent ainsi une bonne résistance mécanique.According to another characteristic, each tab has a dimension slightly larger than the corresponding contact strip and has a flange, the flanges of the two tongues facing each other. Thus, the flanges delimit the maximum thickness of the male member that can be used with the female contact member and the tongues thus have good mechanical strength.

Enfin, suivant une dernière caractéristique, le corps peut comporter entre les barrettes de contact une plaquette repliée pour s'étendre perpendiculairement à l'âme du U. On réalise ainsi d'une manière simple une butée limitant la profondeur d'introduction de l'organe mâle dans l'organe de contact femelle, selon l'invention. Egalement la plaquette peut constituer une butée limitant l'introduction du conducteur entre les moyens de fixation de celui-ci.Finally, according to a last characteristic, the body may include between the contact bars a folded plate to extend perpendicular to the core of the U. A stop is thus produced in a simple manner limiting the depth of introduction of the male organ in the female contact organ, according to the invention. Also the plate can constitute a stop limiting the introduction of the conductor between the fixing means thereof.

Si les moyens de fixation du conducteur sont noyés dans une matière isolante, la plaquette constitue une barrière pour ladite matière isolante.If the means for fixing the conductor are embedded in an insulating material, the plate constitutes a barrier for said insulating material.

L'invention va maintenant être décrite avec plus de détails en se référant à un mode de réalisation particulier donné à titre d'exemple seulement et représenté aux dessins annexés, dans lesquels :

  • Figure 1 est une vue en plan d'un flan découpé pour former l'organe de contact, selon l'invention.
  • Figure 2 est une vue en perspective montrant l'organe de contact en cours de pliage.
  • Figure 3 est une vue en perspective de l'organe de contact terminé.
The invention will now be described in more detail with reference to a particular embodiment given by way of example only and shown in the accompanying drawings, in which:
  • Figure 1 is a plan view of a blank cut to form the contact member according to the invention.
  • Figure 2 is a perspective view showing the contact member during folding.
  • Figure 3 is a perspective view of the finished contact member.

L'organe de contact représenté aux figures est réalisé dans une bande de métal bonne conductrice de l'électricité et douée d'une certaine élasticité.The contact member shown in the figures is made of a metal strip that conducts electricity well and has a certain elasticity.

La bande est découpée pour présenter un corps 1 avec à une extrémité deux pattes 2 destinées à être serties sur un conducteur et au voisinage de ces deux pattes, deux autres pattes 4 destinées à être serties sur une extrémité dénudée dudit conducteur.The strip is cut to present a body 1 with at one end two tabs 2 intended to be crimped onto a conductor and in the vicinity of these two tabs, two other tabs 4 intended to be crimped onto a stripped end of said conductor.

Du côté opposé aux pattes 2 le corps 1 est découpé pour présenter deux barrettes 6 et 7 et deux languettes 5 et 8 s'étendant parallèlement entre elles et sensiblement parallèlement à l'axe longitudinal du corps 1.On the side opposite the legs 2, the body 1 is cut to present two bars 6 and 7 and two tongues 5 and 8 extending parallel to each other and substantially parallel to the longitudinal axis of the body 1.

Entre les barrettes 6 et 7 est ménagée une large ouverture 9 dans le fond de laquelle est découpée une plaquette 10 destinée à constituer une butée.Between the bars 6 and 7 is formed a wide opening 9 in the bottom of which is cut a plate 10 intended to constitute a stop.

La languette 5 comporte à son extrémité libre deux encoches 11 et est séparée de la barrette 6 par une fente 12 dont le fond forme une plus large entaille 13.The tongue 5 has at its free end two notches 11 and is separated from the bar 6 by a slot 12, the bottom of which forms a wider notch 13.

La languette 5, au voisinage de son extrémité libre, est pourvue d'une ouverture 14.The tongue 5, in the vicinity of its free end, is provided with an opening 14.

La languette 8 est séparée de la barrette 7 par une fente 17 dont le fond forme une large entaille 18.The tongue 8 is separated from the bar 7 by a slot 17, the bottom of which forms a wide notch 18.

La languette 8 est percée d'une ouverture 19 au voisinage de son extrémité libre qui comporte deux encoches 20.The tongue 8 is pierced with an opening 19 in the vicinity of its free end which has two notches 20.

Comme on le voit aux figures 2 et 3, le bord libre de la languette 5 est plié pour former un rebord 5a, tandis que la partie de l'extrémité libre située entre les deux encoches est pliée pour former un rebord 5b et le bord adjacent à la fente 12 est plié pour constituer un rebord 5c.As seen in Figures 2 and 3, the free edge of the tongue 5 is folded to form a flange 5 a , while the part of the free end located between the two notches is folded to form a flange 5 b and the edge adjacent to slot 12 is folded to form a ledge 5 c .

La barrette 6 est destinée à former l'une des barrettes de contact et a une longueur et une largeur correspondant à l'espace délimité par les rebords 5a, 5b et 5c.The strip 6 is intended to form one of the contact strips and has a length and a width corresponding to the space delimited by the flanges 5 a , 5 b and 5 c .

La languette 8 est identique à la languette 5 et comporte des rebords 8a, 8b et 8c.The tongue 8 is identical to the tongue 5 and has flanges 8 a , 8 b and 8 c .

La barrette 7 a les mêmes dimensions que la barrette 6 et constitue la barrette de contact.The strip 7 has the same dimensions as the strip 6 and constitutes the contact strip.

Le corps 1 est plié en U pour présenter une âme 1a et deux ailes 1b et 1c, tandis que la plaquette 10 est pliée à 90° de manière à s'étendre dans l'âme du U sensiblement perpendiculairement à celle-ci, les deux barrettes de contact 6 et 7 venant se situer l'une en regard de l'autre en prolongeant les ailes 1b et 1c et les faces en regard desdites barrettes étant connexes de manière que les extrémités libres divergent.The body 1 is folded into a U to present a core 1 a and two wings 1 b and 1 c , while the plate 10 is folded at 90 ° so as to extend into the core of the U substantially perpendicular thereto. , the two contact strips 6 and 7 coming to be located opposite one another by extending the wings 1b and 1c and the facing faces of said strips being connected so that the free ends diverge.

La languette 5 est pliée le long d'une ligne prolongeant la fente 12 de manière à s'étendre du côté de la face extérieure de la barrette de contact 6.The tongue 5 is folded along a line extending the slot 12 so as to extend on the side of the external face of the contact strip 6.

La languette 8 est pliée de la même manière que la languette 5 afin de s'étendre du côté de la face externe de la barrette de contact 7.The tongue 8 is folded in the same way as the tongue 5 in order to extend on the side of the external face of the contact strip 7.

On réalise ainsi un organe de contact femelle qui offre une grande sécurité d'utilisation. En effet, lorsque cet organe est introduit dans un boîtier, les barrettes de contact 6 et 7 sont protégées et ne risquent pas d'être déformées. Grâce aux rebords 8a, 8b et 8c et 5a, 5b et 5c, on délimite un espace qui correspond à l'épaisseur à ne pas dépasser pour l'organe de contact mâle à insérer entre les barrettes de contact 6 et 7. L'organe de contact mâle peut être une simple languette ou un circuit imprimé et ledit organe de contact mâle peut aussi bien être introduit entre les barrettes de contact 6 et 7 dans l'axe de l'organe de contact femelle, selon l'invention,que par basculement, pivotement ou autre. Enfin, un tel organe de contact femelle peut facilement être verrouillé dans un logement d'un boîtier, celui-ci comportant des saillies ou butées coopérant avec les ouvertures 14, les rebords 8b, 5b ou les entailles 13 et 18.A female contact member is thus produced which offers great safety in use. Indeed, when this member is inserted in a housing, the contact strips 6 and 7 are protected and do not risk being deformed. Thanks to the flanges 8 a , 8 b and 8 c and 5 a , 5 b and 5 c , a space is defined which corresponds to the thickness not to be exceeded for the male contact member to be inserted between the contact strips 6 and 7. The male contact organ can be a simple tab or a printed circuit and said male contact member can be inserted between the contact strips 6 and 7 in the axis of the female contact member, according to the invention, as well as by tilting, pivoting Or other. Finally, such a female contact member can easily be locked in a housing of a housing, the latter comprising projections or stops cooperating with the openings 14, the flanges 8b , 5b or the notches 13 and 18.

Bien entendu, l'invention n'est pas limitée au mode de réalisation qui vient être décrit et représenté. On pourra y apporter de nombreuses modifications sans sortir pour cela du cadre de l'invention.Of course, the invention is not limited to the embodiment which has just been described and shown. Many modifications can be made without departing from the scope of the invention.

Claims (3)

  1. A female electric contact terminal of the type formed by a body (1) made from a material which is a good conductor of electricity and endowed with a certain elasticity, said body (1) being cut and bent to produce a U-shape with a core and two wings, one end of said body (1) being formed to have means (2, 4) for its attachment to an electric conductor, whereas at its other end the wings of the U are extended, firstly by two contact bars (6, 7) intended to enclose elastically a corresponding male contact terminal such as a blade terminal or a printed circuit and secondly by two blade terminals (5 and 8) extending on both sides of the contact bars (6, 8) and intended to protect them,
    characterised in that the blade terminals (5, 8) are formed by an extension of the free edge of each contact bar (6, 7), in the vicinity of means for attachment to an electric conductor (2, 4), each said extension extending over the entire length of the corresponding contact bar (6, 7) and being bent so that it extends from the outer face of said corresponding bar (6, 7).
  2. A female electric contact terminal according to Claim 1, characterised in that each blade terminal (5, 8) has a dimension which is slightly greater than the corresponding contact bar (6, 7) and has a shoulder (5a, 5b, 5c, 8b, 8c), the shoulders of the two blade terminals being opposite one another.
  3. A female electric contact terminal according to Claim 1, characterised in that between the contact bars (6, 7) the body (1) comprises a tab (10) which is bent so that it extends perpendicular to the web of the U.
EP19900401704 1989-07-03 1990-06-18 Female electric contact terminal Expired - Lifetime EP0407249B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8908887 1989-07-03
FR8908887A FR2649251B1 (en) 1989-07-03 1989-07-03 FEMALE ELECTRIC CONTACT MEMBER

Publications (2)

Publication Number Publication Date
EP0407249A1 EP0407249A1 (en) 1991-01-09
EP0407249B1 true EP0407249B1 (en) 1993-09-08

Family

ID=9383391

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19900401704 Expired - Lifetime EP0407249B1 (en) 1989-07-03 1990-06-18 Female electric contact terminal

Country Status (4)

Country Link
EP (1) EP0407249B1 (en)
DE (1) DE69003194T2 (en)
ES (1) ES2045847T3 (en)
FR (1) FR2649251B1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2712739B1 (en) * 1993-11-18 1995-12-15 Cinch Connecteurs Sa Female electrical contact member.
GB9507187D0 (en) * 1995-04-06 1995-05-31 Amp Gmbh Contact having an independently supported inner contact arm
US5938485A (en) * 1996-09-30 1999-08-17 The Whitaker Corporation Electrical terminal
DE50205550D1 (en) * 2001-06-22 2006-04-06 Delphi Tech Inc Electrical connection socket
GB0115287D0 (en) * 2001-06-22 2001-08-15 Delphi Tech Inc Female electrical terminal
DE10164386C1 (en) * 2001-12-28 2003-04-24 Itt Mfg Enterprises Inc Electrical pin contact element for plug-in connection has directly incorporated ratchet device securing pin contact element in cooperating socket part

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2530875A1 (en) * 1982-07-20 1984-01-27 Stocko France Sa FEMALE PASS FOR ELECTRICAL CONNECTION
FR2627020B1 (en) * 1988-02-08 1994-05-27 Amp France ELECTRICAL CONTACT FOR RECEIVING A COMPLEMENTARY CONNECTION LEG

Also Published As

Publication number Publication date
EP0407249A1 (en) 1991-01-09
ES2045847T3 (en) 1994-01-16
DE69003194D1 (en) 1993-10-14
DE69003194T2 (en) 1994-01-27
FR2649251B1 (en) 1992-09-04
FR2649251A1 (en) 1991-01-04

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