EP0674357A1 - Improvements to housing parts of electrical connectors - Google Patents

Improvements to housing parts of electrical connectors Download PDF

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Publication number
EP0674357A1
EP0674357A1 EP95400560A EP95400560A EP0674357A1 EP 0674357 A1 EP0674357 A1 EP 0674357A1 EP 95400560 A EP95400560 A EP 95400560A EP 95400560 A EP95400560 A EP 95400560A EP 0674357 A1 EP0674357 A1 EP 0674357A1
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EP
European Patent Office
Prior art keywords
cavity
channel
section
hook
tab
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.)
Granted
Application number
EP95400560A
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German (de)
French (fr)
Other versions
EP0674357B1 (en
Inventor
Ernest Halloo
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.)
Connecteurs Cinch SA
Original Assignee
Connecteurs Cinch SA
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Filing date
Publication date
Application filed by Connecteurs Cinch SA filed Critical Connecteurs Cinch SA
Publication of EP0674357A1 publication Critical patent/EP0674357A1/en
Application granted granted Critical
Publication of EP0674357B1 publication Critical patent/EP0674357B1/en
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
    • H01R13/20—Pins, blades, or sockets shaped, or provided with separate member, to retain co-operating parts together
    • 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
    • H01R13/111—Resilient sockets co-operating with pins having a circular transverse section

Definitions

  • the present invention relates to improvements to the housing elements of an electrical connector.
  • the invention relates to elements of an electrical connector housing comprising a body comprising, at least, a cavity intended to receive an electrical contact member of the type having a rectangular cross section with, at one end, means for fixing an electrical conductor, while the other end forms a channel intended to receive a male tab, the channel having a floor wall, two side walls and a ceiling wall, the ceiling wall being extended by a retaining bar, folded into the channel and extended by a hook passing through an opening in the floor wall.
  • the retaining bar has a lug intended to be inserted into a hole in the male tab to ensure its locking, the unlocking being obtained by pressing on the hook.
  • the housing elements intended to receive such electrical contact members have a cavity whose insertion opening has a shape corresponding to said member with a groove so that the hook is not forced.
  • these members can only be inserted in one direction, the hook engaging in the groove.
  • One of the aims of the present invention is to remedy this drawback and to avoid any possibility of incorrect introduction of an electrical contact member of the above type into the cavity of an electrical connector housing element.
  • the improvements according to the invention relate to electrical connector housing elements of the type having a body comprising, at least, a cavity with rectangular section, one of the long sides of which has a groove, said cavity being intended to receive a member.
  • female electrical contact having, at one end, means for fixing it to the end of an electrical conductor and, at the other end, a rectangular section channel intended to receive a male tab, said channel having a wall of floor, two side walls and a ceiling wall extended on the side opposite to the means by the fixing of a conductor by a bar folded towards the inside of the channel and terminated by a hook passing through an opening in the floor wall, said improvements being characterized in that the large side of the cavity, opposite to that comprising the groove, comprises, cut out, a tab whose free end is turned towards the side of the opening of the cavity through which the electrical contact member is introduced.
  • the hook is slightly inclined towards the fixing means of the electrical conductor and the free end of the tab has a bevel.
  • Figure 1 is a sectional view showing a female electrical contact member.
  • Figure 2 shows in perspective a housing element of an electrical connector.
  • FIG 3 shows in perspective the housing element of Figure 2, the electrical contact member being improperly engaged in the cavity.
  • FIG. 1 there is shown in section a female electrical contact member designated by the general reference 1 and made from a metal blank good conductor of electricity endowed with a certain elasticity and cut and folded to present a floor wall 2, one end of which has crimping lugs 3 for fixing an electrical conductor, two side walls 4 and a ceiling wall 5.
  • the ceiling wall 5 is extended forward by an elastic bar 6 which is folded to extend inside a channel 7 formed by the different walls and whose end folded in the form of hooks 8 crosses a opening 9 of the floor wall 2.
  • the channel 7 is intended to receive a male tongue 12 having a hole 13 into which a lug 14 formed in the bar 6 is inserted.
  • the male tongue 12 is elastically sandwiched between the floor wall 2 and the bar 6, the lug 14 being engaged in the hole 13, said tongue cannot untimely come off. To release the tongue 12, it suffices to press the hook 8 in order to release the lug 14 from the hole 13.
  • FIGs 2 and 3 there is shown a housing element 15 which has a cavity 16 for receiving a member 1.
  • the entrance to the cavity 16 has a rectangular section corresponding to that of the member 1 with, in a large side 16 a , a groove 17 for the passage of the hook 8.
  • a tab 18 delimited by two slots 19, the free end 18a of the tab 18 being located in the blank of the opening through which the member 1 is introduced into the cavity 16, said tab having a width at least equal to the width of the hook 8.
  • the hook 8 being slightly inclined and the free end 18 a having a slight bevel, the more force, the more the tab 18 blocks the member 1.

Landscapes

  • Connector Housings Or Holding Contact Members (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)

Abstract

The outer female casing has a front opening section (16) and a lower narrower channel (17) forming a T-shaped section. There is a wedge shaped flap above the wide section of the channel. The male connector casing (2) fits into the channel with a flap (8) butting up against the wedge on the female section. The inner female contact section has a hole for a spring contact in the male section and a second spring contact is pushed aside.

Description

La présente invention vise des perfectionnements aux éléments de boîtier d'un connecteur électrique.The present invention relates to improvements to the housing elements of an electrical connector.

L'invention se rapporte à des éléments de boîtier de connecteur électrique comprenant un corps comportant, au moins, une cavité destinée à recevoir un organe de contact électrique du type présentant une section transversale rectangulaire avec, à une extrémité, des moyens pour la fixation d'un conducteur électrique, tandis que l'autre extrémité forme un canal destiné à recevoir une languette mâle, le canal présentant une paroi de plancher, deux parois latérales et une paroi de plafond, la paroi de plafond étant prolongée par une barrette de retenue, pliée dans le canal et prolongée par un crochet traversant une ouverture de la paroi de plancher. La barrette de retenue comporte un ergot destiné à s'insérer dans un trou de la languette mâle pour assurer son verrouillage, le déverrouillage étant obtenu en appuyant sur le crochet.The invention relates to elements of an electrical connector housing comprising a body comprising, at least, a cavity intended to receive an electrical contact member of the type having a rectangular cross section with, at one end, means for fixing an electrical conductor, while the other end forms a channel intended to receive a male tab, the channel having a floor wall, two side walls and a ceiling wall, the ceiling wall being extended by a retaining bar, folded into the channel and extended by a hook passing through an opening in the floor wall. The retaining bar has a lug intended to be inserted into a hole in the male tab to ensure its locking, the unlocking being obtained by pressing on the hook.

Les éléments de boîtier destinés à recevoir de tels organes de contacts électriques présentent une cavité dont l'ouverture d'introduction affecte une forme correspondante audit organe avec une rainure afin que le crochet ne soit pas forcé. Ainsi, théoriquement, ces organes ne peuvent être insérés que dans un sens, le crochet s'engageant dans la rainure.The housing elements intended to receive such electrical contact members have a cavity whose insertion opening has a shape corresponding to said member with a groove so that the hook is not forced. Thus, theoretically, these members can only be inserted in one direction, the hook engaging in the groove.

On a toutefois constaté que souvent les organes étaient engagés dans une mauvaise position de sorte que le crochet étant poussé, la barrette élastique ne permettait plus de verrouiller la languette mâle.However, it was found that often the members were engaged in a bad position so that the hook being pushed, the elastic bar no longer allowed to lock the male tongue.

L'un des buts de la présente invention est de remédier à cet inconvénient et d'éviter toute possibilité de mauvaise introduction d'un organe de contact électrique du type ci-dessus dans la cavité d'un élément de boîtier de connecteur électrique.One of the aims of the present invention is to remedy this drawback and to avoid any possibility of incorrect introduction of an electrical contact member of the above type into the cavity of an electrical connector housing element.

Les perfectionnements, selon l'invention, visent des éléments de boîtier de connecteurs électriques du type présentant un corps comprenant, au moins, une cavité à section rectangulaire dont l'un des grands côtés comporte une rainure, ladite cavité étant destinée à recevoir un organe de contact électrique femelle présentant, à une extrémité, des moyens pour sa fixation à l'extrémité d'un conducteur électrique et, à l'autre extrémité, un canal à section rectangulaire destiné à recevoir une languette mâle, ledit canal présentant une paroi de plancher, deux parois latérales et une paroi de plafond prolongée du côté opposé aux moyens par la fixation d'un conducteur par une barrette pliée vers l'intérieur du canal et terminée par un crochet traversant une ouverture de la paroi de plancher, lesdits perfectionnements étant caractérisés en ce que le grand côté de la cavité, opposé à celui comportant la rainure, comporte, découpé, une patte dont l'extrémité libre est tournée du côté de l'ouverture de la cavité par laquelle est introduit l'organe de contact électrique.The improvements according to the invention relate to electrical connector housing elements of the type having a body comprising, at least, a cavity with rectangular section, one of the long sides of which has a groove, said cavity being intended to receive a member. female electrical contact having, at one end, means for fixing it to the end of an electrical conductor and, at the other end, a rectangular section channel intended to receive a male tab, said channel having a wall of floor, two side walls and a ceiling wall extended on the side opposite to the means by the fixing of a conductor by a bar folded towards the inside of the channel and terminated by a hook passing through an opening in the floor wall, said improvements being characterized in that the large side of the cavity, opposite to that comprising the groove, comprises, cut out, a tab whose free end is turned towards the side of the opening of the cavity through which the electrical contact member is introduced.

Grâce à cette disposition, si l'organe de contact électrique est présenté décalé de 180° par rapport à sa position normale, le crochet porte contre l'extrémité libre de la patte qui s'oppose ainsi à l'engagement dudit organe dans la cavité.Thanks to this arrangement, if the electrical contact member is presented offset by 180 ° relative to its normal position, the hook bears against the free end of the tab which thus prevents the engagement of said member in the cavity. .

Afin de renforcer l'action de la patte, le crochet est légèrement incliné du côté des moyens de fixation du conducteur électrique et l'extrémité libre de la patte présente un biseau.In order to reinforce the action of the tab, the hook is slightly inclined towards the fixing means of the electrical conductor and the free end of the tab has a bevel.

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 :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 est une vue en coupe montrant un organe de contact électrique femelle.Figure 1 is a sectional view showing a female electrical contact member.

Figure 2 montre en perspective un élément de boîtier d'un connecteur électrique.Figure 2 shows in perspective a housing element of an electrical connector.

Figure 3 montre en perspective l'élément de boîtier de la figure 2, l'organe de contact électrique étant mal engagé dans la cavité.Figure 3 shows in perspective the housing element of Figure 2, the electrical contact member being improperly engaged in the cavity.

A la figure 1, on a représenté en coupe un organe de contact électrique femelle désigné par la référence générale 1 et réalisé à partir d'un flan de métal bon conducteur de l'électricité doué d'une certaine élasticité et découpé et plié pour présenter une paroi de plancher 2 dont une extrémité comporte des pattes de sertissage 3 pour la fixation d'un conducteur électrique, deux parois latérales 4 et une paroi de plafond 5.In Figure 1, there is shown in section a female electrical contact member designated by the general reference 1 and made from a metal blank good conductor of electricity endowed with a certain elasticity and cut and folded to present a floor wall 2, one end of which has crimping lugs 3 for fixing an electrical conductor, two side walls 4 and a ceiling wall 5.

La paroi de plafond 5 est prolongée vers l'avant par une barrette élastique 6 qui est pliée pour s'étendre à l'intérieur d'un canal 7 formé par les différentes parois et dont l'extrémité repliée en forme de crochets 8 traverse une ouverture 9 de la paroi de plancher 2.The ceiling wall 5 is extended forward by an elastic bar 6 which is folded to extend inside a channel 7 formed by the different walls and whose end folded in the form of hooks 8 crosses a opening 9 of the floor wall 2.

Le canal 7 est destiné à recevoir une languette mâle 12 présentant un trou 13 dans lequel s'insère un ergot 14 formé dans la barrette 6.The channel 7 is intended to receive a male tongue 12 having a hole 13 into which a lug 14 formed in the bar 6 is inserted.

Ainsi, la languette mâle 12 se trouve enserrée élastiquement entre la paroi de plancher 2 et la barrette 6, l'ergot 14 étant engagé dans le trou 13, ladite languette ne peut se détacher intempestivement. Pour libérer la languette 12, il suffit d'appuyer sur le crochet 8, afin de dégager l'ergot 14 du trou 13.Thus, the male tongue 12 is elastically sandwiched between the floor wall 2 and the bar 6, the lug 14 being engaged in the hole 13, said tongue cannot untimely come off. To release the tongue 12, it suffices to press the hook 8 in order to release the lug 14 from the hole 13.

Aux figures 2 et 3, on a représenté un élément de boîtier 15 qui présente une cavité 16 destinée à recevoir un organe 1. L'entrée de la cavité 16 présente une section rectangulaire correspondant à celle de l'organe 1 avec, dans un grand côté 16a, une rainure 17 pour le passage du crochet 8.In Figures 2 and 3, there is shown a housing element 15 which has a cavity 16 for receiving a member 1. The entrance to the cavity 16 has a rectangular section corresponding to that of the member 1 with, in a large side 16 a , a groove 17 for the passage of the hook 8.

Dans le grand côté 16b opposé au grand côté 16a est découpée une patte 18 délimitée par deux fentes 19, l'extrémité libre 18a de la patte 18 se situant dans le flan de l'ouverture par laquelle l'organe 1 est introduit dans la cavité 16, ladite patte ayant une largeur au moins égale à la largeur du crochet 8.In the long side 16 b opposite the long side 16 a is cut a tab 18 delimited by two slots 19, the free end 18a of the tab 18 being located in the blank of the opening through which the member 1 is introduced into the cavity 16, said tab having a width at least equal to the width of the hook 8.

Lorsque l'organe 1 est présenté dans une position correspondant à celle prévue, le crochet 8 coulisse librement dans la rainure 17, tandis que, lorsque l'organe 1 est présenté dans la mauvaise position représentée aux figures 2 et 3, le crochet 8 bute contre l'extrémité libre 18a de la patte 18 qui, ainsi, s'oppose à l'engagement dans la cavité 16 dudit organe 1.When the member 1 is presented in a position corresponding to that provided, the hook 8 slides freely in the groove 17, while, when the member 1 is presented in the wrong position shown in Figures 2 and 3, the hook 8 abuts against the free end 18 a of the tab 18 which, in this way, is opposed to the engagement in the cavity 16 of said member 1.

Le crochet 8 étant légèrement incliné et l'extrémité libre 18a présentant un léger biseau, plus on force, plus la patte 18 bloque l'organe 1.The hook 8 being slightly inclined and the free end 18 a having a slight bevel, the more force, the more the tab 18 blocks the member 1.

Bien entendu, l'invention n'est pas limitée au mode de réalisation qui vient d'être décrit et représenté. On pourra y apporter de nombreuses modifications de détail 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 detailed modifications can be made without departing from the scope of the invention.

Claims (2)

Perfectionnements aux éléments de boîtier de connecteurs électriques du type présentant un corps comprenant, au moins, une cavité (16) à section rectangulaire dont l'un des grands côtés (16a) comporte une rainure (17), ladite cavité (16) étant destinée à recevoir un organe de contact électrique femelle (1) présentant, à une extrémité, des moyens (3) pour sa fixation à l'extrémité d'un conducteur électrique et, à l'autre extrémité, un canal (7) à section rectangulaire destiné à recevoir une languette mâle (12), ledit canal présentant une paroi de plancher (2), deux parois latérales (4) et une paroi de plafond (5) prolongé du côté opposé aux moyens (3) par la fixation d'un conducteur par une barrette (6) pliée vers l'intérieur du canal (7) et terminée par un crochet (8) traversant une ouverture (9) de la paroi de plancher (2), lesdits perfectionnements étant caractérisés en ce que le grand côté (16b) de la cavité (16), opposé à celui comportant la rainure (17), comporte, découpé, une patte (18) dont l'extrémité libre est tournée du côté de l'ouverture de la cavité (16) par laquelle est introduit l'organe de contact électrique (1).Improvements to electrical connectors housing members of the type having a body comprising at least a cavity (16) with rectangular cross section whose one long side (16a) has a groove (17), said cavity (16) being intended to receive a female electrical contact member (1) having, at one end, means (3) for fixing it to the end of an electrical conductor and, at the other end, a section channel (7) rectangular intended to receive a male tongue (12), said channel having a floor wall (2), two side walls (4) and a ceiling wall (5) extended on the side opposite to the means (3) by the fixing of a conductor by a bar (6) folded towards the inside of the channel (7) and terminated by a hook (8) passing through an opening (9) in the floor wall (2), said improvements being characterized in that the large side (16 b ) of the cavity (16), opposite to that comp orting the groove (17), comprises, cut, a tab (18) whose free end is turned towards the side of the opening of the cavity (16) through which the electrical contact member (1) is introduced. Perfectionnements aux éléments de boîtier de connecteurs électriques, selon la revendication 1, caractérisés en ce que le crochet (8) est légèrement incliné du côté des moyens de fixation du conducteur électrique et l'extrémité libre de la patte (18) présente un biseau.Improvements to the electrical connector housing elements according to claim 1, characterized in that the hook (8) is slightly inclined towards the means for fixing the electrical conductor and the free end of the tab (18) has a bevel.
EP19950400560 1994-03-25 1995-03-15 Housing parts of electrical connectors Expired - Lifetime EP0674357B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9403515A FR2717955B1 (en) 1994-03-25 1994-03-25 Improvements to the housing elements of an electrical connector.
FR9403515 1994-03-25

Publications (2)

Publication Number Publication Date
EP0674357A1 true EP0674357A1 (en) 1995-09-27
EP0674357B1 EP0674357B1 (en) 1998-08-19

Family

ID=9461423

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19950400560 Expired - Lifetime EP0674357B1 (en) 1994-03-25 1995-03-15 Housing parts of electrical connectors

Country Status (5)

Country Link
EP (1) EP0674357B1 (en)
CN (1) CN1038285C (en)
DE (1) DE69504114T2 (en)
ES (1) ES2120689T3 (en)
FR (1) FR2717955B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2003203426B2 (en) * 2002-04-04 2007-04-26 Sumitomo Wiring Systems, Ltd. Cover for connector insertion

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4885320B1 (en) * 2011-03-23 2012-02-29 日本航空電子工業株式会社 Wire-to-board connector

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3976348A (en) * 1974-05-03 1976-08-24 Amp Incorporated Electrical tab receptacle
EP0001159A1 (en) * 1977-09-09 1979-03-21 AMP INCORPORATED (a New Jersey corporation) Electrical connector
FR2589637A1 (en) * 1985-11-05 1987-05-07 Labinal FEMALE ELEMENT OF ELECTRICAL CONTACTS

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3976348A (en) * 1974-05-03 1976-08-24 Amp Incorporated Electrical tab receptacle
EP0001159A1 (en) * 1977-09-09 1979-03-21 AMP INCORPORATED (a New Jersey corporation) Electrical connector
FR2589637A1 (en) * 1985-11-05 1987-05-07 Labinal FEMALE ELEMENT OF ELECTRICAL CONTACTS

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2003203426B2 (en) * 2002-04-04 2007-04-26 Sumitomo Wiring Systems, Ltd. Cover for connector insertion

Also Published As

Publication number Publication date
CN1113040A (en) 1995-12-06
CN1038285C (en) 1998-05-06
DE69504114D1 (en) 1998-09-24
DE69504114T2 (en) 1998-12-24
ES2120689T3 (en) 1998-11-01
FR2717955B1 (en) 1996-05-24
FR2717955A1 (en) 1995-09-29
EP0674357B1 (en) 1998-08-19

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