EP3391474A1 - Female contact with lateral retaining blades for male contact and connection assembly including such female and male contacts - Google Patents

Female contact with lateral retaining blades for male contact and connection assembly including such female and male contacts

Info

Publication number
EP3391474A1
EP3391474A1 EP16810358.8A EP16810358A EP3391474A1 EP 3391474 A1 EP3391474 A1 EP 3391474A1 EP 16810358 A EP16810358 A EP 16810358A EP 3391474 A1 EP3391474 A1 EP 3391474A1
Authority
EP
European Patent Office
Prior art keywords
cage
contact
walls
tongue
male
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
EP16810358.8A
Other languages
German (de)
French (fr)
Other versions
EP3391474B1 (en
Inventor
Houssem Eddine MILED
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.)
Aptiv Technologies Ltd
Original Assignee
Delphi International Operations Luxembourg SARL
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 Delphi International Operations Luxembourg SARL filed Critical Delphi International Operations Luxembourg SARL
Publication of EP3391474A1 publication Critical patent/EP3391474A1/en
Application granted granted Critical
Publication of EP3391474B1 publication Critical patent/EP3391474B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • 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
    • H01R13/115—U-shaped sockets having inwardly bent legs, e.g. spade type
    • 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
    • H01R13/18—Pins, blades or sockets having separate spring member for producing or increasing contact pressure with the spring member surrounding the socket

Definitions

  • Female contact with lateral retaining blades for male contact and connection assembly comprising such female and male contacts
  • the invention relates to the field of electrical connectors and, in particular, electrical connectors for motor vehicles.
  • the connectors and in particular, those mounted on explosion engines, can be subjected to strong vibrations (for example 60G to 1000Hz). It is therefore important that the male and female contacts of these connectors can maintain in time an electrical contact as little resistive as possible, they are not the cause of arcing or excessive heating and they are not the seat of fretting corrosion ("fretting corrosion" according to the English terminology).
  • female electrical contacts such as those described in US5681190, comprising a cage and a sleeve.
  • Such female electrical contacts are intended to be housed in cavities formed in a housing made of a dielectric material.
  • the cage is made from a stamped and folded sheet. It extends in a longitudinal direction between
  • a pairing end provided with an opening by which a male contact tab can be introduced into the cage
  • the cage has essentially a parallelepipedal shape open at each of the pairing and attachment ends, to form a tube with four walls. It therefore comprises a bottom wall, an upper wall and two side walls extending between the lower and upper walls. These lower, upper and lateral walls delimit an internal space adapted to receive and house the tongue of a male contact introduced by the opening of the pairing end.
  • the upper and lower walls each comprise at least one contact blade, elastic and extending from the cage towards a free end, transversely to the longitudinal direction.
  • the sleeve envelopes, from outside the cage, at least partially the lower, upper and lateral walls.
  • this type of female contacts with male contacts of various shapes and sizes, without having to design and manufacture a suitable and adjusted female contact for each shape or size of the male contact.
  • the contact blades exert a pressure on the main faces of the tongue (substantially parallel to the upper and lower walls of the cage), to establish between them a electric contact.
  • the tongue can be brought under the effect of vibration to move and oscillate between the contact blades in a plane parallel to the lower and upper walls. Such displacements can be at the origin of a degradation of the quality of the electrical contact between the male and female contacts thus connected.
  • An object of the invention is to at least partially overcome this problem and to increase the persistence over time of a good quality of contact between the male and female contacts.
  • This holding blade is elastic and cut in a side wall.
  • This junction is closer to the mating end than the attachment end.
  • the holding blade extends from the junction to a free end located closer to the attachment end than the mating end. The free end protrudes into the internal space.
  • each lateral holding blade cooperates elastically with an edge of the tongue of the male contact, to limit its movements in the female contact in which it is housed.
  • each holding blade can cooperate with an edge (essentially perpendicular to the main faces) of the tongue of the male contact, in order to limit, in the cage, its movements parallel to the lower and upper walls.
  • the holding blades comprise a pressing pressure zone, when a male contact tab is housed in the cage, on the sleeve if the contact consists of two parts or bearing on the internal faces of a housing cavity in which the cage is inserted if the female contact is made of a single piece;
  • the sleeve and / or the cage has two ramps, each folded inwardly and / or outside the cage; for example, these two ramps are folded towards the side walls and the internal space of the cage, at the end of the pair thereof;
  • the contact blades corresponding to the upper and lower walls comprise, at their free end, an edge between two surfaces forming an acute angle with a plane parallel to the lower and upper walls;
  • the contact blades corresponding to the upper and lower walls are connected to the cage at the side walls;
  • the cage is integrally formed in one piece
  • the upper wall of the cage comprises a junction line between two edges of a folded blank
  • junction line is at least partially covered with a continuous portion of the sleeve extending above and parallel to the upper wall of the cage and folded on either side thereof parallel to the walls side.
  • connection assembly may for example comprise an electrical connector and counter-connector respectively comprising a female electrical contact according to the invention, with two holding blades, and a male electrical contact having a tongue with a dimension, perpendicular to the direction longitudinal and parallel to the lower and upper walls, less than the corresponding internal dimension of the cage, and greater than the spacing between the free ends of the holding blades (when they are not stressed, before insertion of the tongue into the cage ).
  • connection assembly optionally comprises a tongue having a cross-sectional shape of flattened parallelepiped, and the holding blades bear each respectively on an edge of the tongue corresponding to the small side of the parallelepiped.
  • Figure 1 shows schematically in perspective a set this connection comprising a male contact and a female contact
  • Figure 2 shows schematically in perspective the cage of the female contact of Figure 1;
  • Figure 3 shows schematically in perspective, essentially front view, the cage of Figure 2;
  • Figure 4 shows schematically in perspective and in section, seen essentially from above, the cage of Figures 2 and 3;
  • FIG. 5 shows schematically in perspective and in section, seen essentially from above, the cage of Figures 2 and 3, with a sleeve around the cage and a male contact tab inserted into the cage;
  • FIGS. 6A and 6B each show a male contact tab having a shape different from that inserted in the cage of the female contact shown in Figure 5;
  • FIGS 7A and 7B show in longitudinal section a variant of the cage of the female contact shown in Figures 1 to 5, with a male contact tongue inserted into the cage;
  • FIGS 8 A and 8B show in longitudinal section another variant of the cage of the female contact shown in Figures 1 to 5, with a male contact tab inserted into the cage.
  • the connection assembly 100 shown in Figure 1 comprises a female contact 1 and a male contact 2 (which only the tongue 3 is shown in the figures).
  • the female contact 1 alone or with other contacts may be housed in a connector housing (not shown) of electrically insulating material.
  • the male contact 2, alone or with other contacts can be housed in a housing of a counter-connector (not shown) of electrically insulating material, adapted to mate with the connector having the female contact 1 .
  • the female contacts 1 and 2 male are coupled, or paired, electrically and mechanically by inserting the tongue 3 in the cage 4 of the female contact 1, in an insertion direction substantially parallel to the longitudinal direction L of the male contacts 2 and female 1.
  • the female contact 1 also comprises a fixing portion 5 extending the cage 4, rearwardly thereof, in the longitudinal direction L.
  • the fixing portion 5 is adapted in this case to receive and crimp the end of a cable (not shown).
  • the female contact 1 also comprises a protective sleeve 6.
  • the cage 4 is obtained by stamping and bending a sheet of conductive material (copper or aluminum or an alloy of these metals for example).
  • the sleeve 6 is also obtained by stamping and bending a sheet of conductive material (steel for example).
  • the cage 4 has essentially a parallelepiped shape. It extends longitudinally parallel to the direction L between a pairing end 7, towards the front, and a fastening end 8, towards the rear.
  • the cage 4 forms (without taking into account the cuts in the walls) a tube whose cross section is essentially rectangular.
  • This tube therefore has essentially four walls: a bottom wall 9, an upper wall 10 and two side walls 11. It is open at each of its longitudinal ends 7 and 8. On the side of the mating end 7, it is an opening through which can be inserted the tongue 3 of a male contact 2.
  • the lower walls 9, upper 10 and side 11 thus define an internal space adapted to receive and accommodate the tongue 3.
  • the cage 4 is formed in one piece, folding, parallel to the longitudinal direction L, a form cut by stamping and bringing the edges of the stamping blank, the one towards the other, substantially at a junction line 12 median of the upper wall 10 of the cage 4.
  • the junction line 12 is partly covered with a continuous portion 24 of the sleeve 6 (see Figure 1) . it extends above and parallel to the upper wall 10 of the cage 4. This continuous portion 24 is folded on either side of the latter parallel to the side walls 11. It helps to prevent the edges of the cage 4 do not deviate.
  • the upper 12 and lower walls 9 each comprise two elastic contact strips 13 and extending from the cage 4 to a free end 14, transversely to the longitudinal direction L.
  • the blades of contact 13 corresponding to the upper and lower walls 10 9 are connected to the cage at the side walls 11. It can be seen that relatively large cuts are formed around these contact blades 13.
  • a certain elasticity is imparted to the cage 4 which makes it possible to damp some of the energy of the vibrations and limits the possible relative displacements between the tongue 3 and the contact blades 13.
  • this elasticity ensures a good resistance to vibrations, at the same time good electrical performance.
  • the contact blades 13 comprise at their free end 14, an edge 15 between two surfaces forming an acute angle with a plane parallel to the lower walls 9 and upper 10.
  • Each edge 15 is essentially tangent to a straight line parallel to the longitudinal direction L.
  • Each edge 15 thus allows the contact blades 13 to bite into the material constituting the tongue 3, when it is inserted into the cage 4, thereby helping to establish a electrical contact the least resistive possible between the contact blades 13 and the tongue 3.
  • each edge 15 can better anchor the tongue 3 between the contact blades 13 and exert on the tongue 3 a friction force tending to limit as much as possible the relative displacement of the tongue 3 with respect to the cage 4 in a plane parallel to the upper and lower walls 9 and 9.
  • the side walls 11 each comprise a holding blade 16, elastic cut in a side wall to which it remains attached at a junction 17.
  • Each holding blade 16 therefore extends from a junction 17 to a free end 18.
  • Each holding blade 16 is folded towards the rear of the cage 4, that is to say towards the fixing end 5, in order to facilitate the insertion of the tongue 3 into the cage 4 as from the opening corresponding to the end of the pairing 7.
  • the holding blades 16 when no tongue 3 is inserted into the cage 4, the holding blades 16 extend generally transversely in the internal space of the cage 4, until possibly almost meet in the center of it.
  • the length and shape of the holding blades 16 allow to adapt to many forms of tongues 3, that they have parallel edges 19, as in Figure 6 A or bevel as in Figure 6B.
  • Each side wall 11 has a window 20 corresponding to the portion of the cage 4 cut to form a respective holding blade 16.
  • Each holding blade 16 has, in longitudinal section, parallel to the bottom wall 9 and upper 10, an "S" shape. As shown in FIG. 5, a portion of this "S” shape is intended to come into contact with a longitudinal edge 19 of the tongue 3, when it is inserted into the cage4. Another portion of this "S” shape is intended to come into contact with the inner face of the sleeve 6. This last portion of the "S” shape forms a pressure zone taking support on the sleeve 6 when a tongue 3 of male contact 2 is housed in the cage 4.
  • the holding blades 16 guide and maintain the tongue 3 in the cage 4, but they limit, on the one hand, the transverse displacements (in a parallel plane) at the top 10 and bottom 9) of the tongue 3 relative to the cage 4 and, secondly, the displacement of the cage 4 relative to the sleeve 6.
  • the pressure of the holding blades 16 on the face internal of the sleeve 6, increases the force exerted by the holding blades 16 on the tongue 3, thus contributing to a better maintenance of the tongue 3 in the cage 4.
  • the sleeve 6 comprises two ramps 21.
  • Each ramp 21 is folded towards the internal space of the cage 4 at its pairing end 7. They guide the tongue 3 when introduced into the cage 4.
  • These ramps 21 allow to attach the sleeve 6 in the cage 4 and to block the movement of the cage 4 in the sleeve 6, in the longitudinal direction L.
  • these ramps 21 may each form a bearing point also contributing to limit the transverse displacement (in a plane parallel to the upper and lower walls 9) of the tongue 3 relative to the cage 4.
  • the sleeve 6 also comprises, on its inner face, ribs 22 interfering with the outer surface of the side walls 11 of the cage 4, and also contributing to limiting the transverse displacement (in a plane parallel to the upper and lower walls 10 and 10). 9) of the tongue 3 with respect to the cage 4.
  • the holding blades 16 we can reduce the relative transverse displacements of the tongue 3 in the cage 4 to 0.8 ⁇ or less.
  • the average width of the tongue is about 1.2mm, and the width of the cage is 1.8mm.
  • each holding blade 16 is folded substantially at half its length, bringing its free end 18 through the window so that it it is in contact with the inner surface of the sleeve 6 and bears on it.
  • the bent portion (substantially in the middle) of each holding blade 16 comes into contact with a longitudinal edge 19 of the tongue 3 when it is introduced into the cage 4. This shape may possibly contribute to confer more rigidity to the holding blades 16, compared to the previous embodiment.
  • each holding strip 16 bears on the inner surface of the sleeve 6 by its free end 18 instead of a curved portion.
  • the free end 18 rests on the inner surface of the sleeve 6 at an edge 23 biting in the constituent material of the sleeve 6 and thus creating an increased friction of the holding blade 16 on the inner surface of the sleeve 6 when the tongue 3 tends to move transversely in a plane parallel to the upper and lower walls 9 and 9.
  • the female contact according to the invention can, thanks to the elasticity of the or, blade (s) side (s), allow to accommodate several shapes and dimensions of tabs 3 while maintaining or even improving the performance when the female contacts 1 and 2 male are subjected to vibration.
  • the female contact is not surrounded by a sleeve, and that the female contact is constituted of a single piece, which has just been described above in relation to the sleeve 6 may be transposed to the internal surfaces of a housing in which is housed the female contact 1.

Landscapes

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

Abstract

A female electrical contact for a cable connector including a cage (4) for housing the tongue (3) of a male contact. The cage (4) includes two lateral elastic retaining blades (16) that make it possible to limit the lateral movements of the tongue (3), in particular under the effect of vibrations. These elastic retaining blades (16) may bear on a protective sleeve (6) that surrounds the cage (4) also for the purpose of limiting the movements of the cage (4) within the sleeve (6).

Description

Contact femelle avec lames latérales de maintien pour contact mâle et ensemble de connexion comportant de tels contacts femelle et mâle  Female contact with lateral retaining blades for male contact and connection assembly comprising such female and male contacts
[001] L'invention concerne le domaine des connecteurs électriques et, notamment, des connecteurs électriques pour véhicules automobiles. [001] The invention relates to the field of electrical connectors and, in particular, electrical connectors for motor vehicles.
[002] Les connecteurs, et en particulier, ceux montés sur des moteurs à explosion, peuvent être soumis à de fortes vibrations (par exemple 60G à 1000Hz). Il est donc important que les contacts mâles et femelles de ces connecteurs puissent maintenir dans le temps un contact électrique aussi peu résistif que possible, qu'ils ne soient pas à l'origine d'arcs électriques ou d'échauffements excessifs et qu'ils ne soient pas le siège d'une corrosion par frottements (« fretting corrosion » selon la terminologie anglo-saxonne).  [002] The connectors, and in particular, those mounted on explosion engines, can be subjected to strong vibrations (for example 60G to 1000Hz). It is therefore important that the male and female contacts of these connectors can maintain in time an electrical contact as little resistive as possible, they are not the cause of arcing or excessive heating and they are not the seat of fretting corrosion ("fretting corrosion" according to the English terminology).
[003] Il a été proposé des contacts électriques femelles, tels que ceux décrits dans le document US5681190, comprenant une cage et un manchon. De tels contacts électriques femelles sont destinés à être logés dans des cavités ménagées dans un boîtier constitué d'un matériau diélectrique. La cage est réalisée à partir d'une tôle emboutie et pliée. Elle s'étend selon une direction longitudinale entre  [003] It has been proposed female electrical contacts, such as those described in US5681190, comprising a cage and a sleeve. Such female electrical contacts are intended to be housed in cavities formed in a housing made of a dielectric material. The cage is made from a stamped and folded sheet. It extends in a longitudinal direction between
[004] - une extrémité d'appariement munie d'une ouverture par laquelle une languette de contact mâle peut être introduite dans la cage, et  [004] a pairing end provided with an opening by which a male contact tab can be introduced into the cage, and
[005] - une extrémité de fixation à partir de laquelle le contact se prolonge par une portion de fixation au niveau de laquelle un câble peut être fixé et relié électriquement, par soudure ou sertissage par exemple.  [005] - an attachment end from which the contact is extended by a fixing portion at which a cable can be fixed and electrically connected by welding or crimping for example.
[006] La cage a essentiellement une forme parallélépipédique ouverte à chacune des extrémités d'appariement et de fixation, pour former un tube avec quatre parois. Elle comprend donc une paroi inférieure, une paroi supérieure et deux parois latérales s'étendant entre les parois inférieure et supérieure. Ces parois inférieure, supérieure et latérales délimitent un espace interne adapté pour recevoir et loger la languette d'un contact mâle introduite par l'ouverture de l'extrémité d'appariement. Les parois supérieure et inférieure comprennent chacune au moins une lame de contact, élastique et s'étendant, à partir de la cage vers une extrémité libre, transversalement par rapport à la direction longitudinale.  [006] The cage has essentially a parallelepipedal shape open at each of the pairing and attachment ends, to form a tube with four walls. It therefore comprises a bottom wall, an upper wall and two side walls extending between the lower and upper walls. These lower, upper and lateral walls delimit an internal space adapted to receive and house the tongue of a male contact introduced by the opening of the pairing end. The upper and lower walls each comprise at least one contact blade, elastic and extending from the cage towards a free end, transversely to the longitudinal direction.
[007] Par ailleurs, le manchon enveloppe, par l'extérieur de la cage, au moins partiellement les parois inférieure, supérieure et latérales. [008] Il peut être avantageux de pouvoir utiliser ce type de contacts femelles avec des contacts mâles de formes et de dimensions variées, sans avoir à concevoir et fabriquer un contact femelle adapté et ajusté pour chaque forme ou dimension de contact mâle. Par exemple, dans le cas d'un contact mâle avec une languette de forme aplatie, les lames de contact exercent une pression sur les faces principales de la languette (essentiellement parallèles aux parois supérieure et inférieure de la cage), pour établir entre elles un contact électrique. Mais, la languette peut être amenée sous l'effet des vibrations, à se déplacer et osciller, entre les lames de contact, dans un plan parallèle aux parois inférieure et supérieure. De tels déplacements peuvent être à l'origine d'une dégradation de la qualité du contact électrique entre les contacts mâle et femelle ainsi connectés. [007] Moreover, the sleeve envelopes, from outside the cage, at least partially the lower, upper and lateral walls. [008] It may be advantageous to be able to use this type of female contacts with male contacts of various shapes and sizes, without having to design and manufacture a suitable and adjusted female contact for each shape or size of the male contact. For example, in the case of a male contact with a tab of flattened shape, the contact blades exert a pressure on the main faces of the tongue (substantially parallel to the upper and lower walls of the cage), to establish between them a electric contact. But, the tongue can be brought under the effect of vibration to move and oscillate between the contact blades in a plane parallel to the lower and upper walls. Such displacements can be at the origin of a degradation of the quality of the electrical contact between the male and female contacts thus connected.
[009] Un but de l'invention est de palier au moins partiellement ce problème et d'augmenter la persistance dans le temps d'une bonne qualité de contact entre les contacts mâle et femelle.  [009] An object of the invention is to at least partially overcome this problem and to increase the persistence over time of a good quality of contact between the male and female contacts.
[0010] A cette fin, on réalise un contact électrique femelle du type de celui décrit ci-dessus, avec ou sans manchon, dans lequel au moins l'une des parois latérales comporte au moins une lame de maintien. Cette lame de maintien est élastique et découpée dans une paroi latérale. To this end, there is provided a female electrical contact of the type described above, with or without a sleeve, wherein at least one of the side walls has at least one holding blade. This holding blade is elastic and cut in a side wall.
Elle reste attachée à la paroi latérale dans laquelle elle est découpée au niveau d'une jonction.It remains attached to the side wall in which it is cut at a junction.
Cette jonction est plus proche de l'extrémité d'appariement que de l'extrémité de fixation. La lame de maintien s'étend à partir de la jonction vers une extrémité libre située plus proche de l'extrémité de fixation que de l'extrémité d'appariement. L'extrémité libre fait saillie dans l'espace interne. This junction is closer to the mating end than the attachment end. The holding blade extends from the junction to a free end located closer to the attachment end than the mating end. The free end protrudes into the internal space.
[0011] Grâce à ces dispositions, chaque lame de maintien latérale coopère de manière élastique avec un bord de la languette du contact mâle, afin de limiter ses mouvements dans le contact femelle dans lequel il est logé. Par exemple, chaque lame de maintien peut coopérer avec un bord (essentiellement perpendiculaire aux faces principales) de la languette du contact mâle, afin de limiter, dans la cage, ses mouvements parallèles aux parois inférieure et supérieure.  With these provisions, each lateral holding blade cooperates elastically with an edge of the tongue of the male contact, to limit its movements in the female contact in which it is housed. For example, each holding blade can cooperate with an edge (essentially perpendicular to the main faces) of the tongue of the male contact, in order to limit, in the cage, its movements parallel to the lower and upper walls.
[0012] Le contact électrique femelle selon l'invention peut en outre comporter l'une ou l'autre des caractéristiques suivantes considérées isolément ou en combinaison d'une ou plusieurs autres :  The female electrical contact according to the invention may further comprise one or the other of the following characteristics considered in isolation or in combination with one or more others:
[0013] - il comporte un manchon enveloppant, par l'extérieur de la cage, au moins partiellement les parois inférieure, supérieure et latérales; [0014] - les lames de maintien comportent une zone de pression prenant appui, lorsqu'une languette de contact mâle est logée dans la cage, sur le manchon si le contact est constitué de deux pièces ou prenant appui sur les faces internes d'une cavité de boîtier dans laquelle la cage est insérée si le contact femelle est constitué d'une seule pièce; It comprises an enveloping sleeve, from the outside of the cage, at least partially the lower, upper and lateral walls; The holding blades comprise a pressing pressure zone, when a male contact tab is housed in the cage, on the sleeve if the contact consists of two parts or bearing on the internal faces of a housing cavity in which the cage is inserted if the female contact is made of a single piece;
[0015] - le manchon et/ou la cage comporte deux rampes, chacune repliée vers l'intérieur et/ou l'extérieur de la cage ; par exemple, ces deux rampes sont repliées vers les parois latérales et l'espace interne de la cage, au niveau de l'extrémité d'appariement ce cette dernière ; - The sleeve and / or the cage has two ramps, each folded inwardly and / or outside the cage; for example, these two ramps are folded towards the side walls and the internal space of the cage, at the end of the pair thereof;
[0016] - les lames de contact correspondant aux parois supérieure et inférieure comportent, au niveau de leur extrémité libre, une arête entre deux surfaces formant un angle aigu avec un plan parallèle aux parois inférieure et supérieure ;  [0016] the contact blades corresponding to the upper and lower walls comprise, at their free end, an edge between two surfaces forming an acute angle with a plane parallel to the lower and upper walls;
[0017] - les lames de contact correspondant aux parois supérieure et inférieure sont liées à la cage au niveau des parois latérales ;  - The contact blades corresponding to the upper and lower walls are connected to the cage at the side walls;
[0018] - la cage est intégralement formée d'une seule pièce ;  [0018] the cage is integrally formed in one piece;
[0019] - la paroi supérieure de la cage comporte une ligne de jonction entre deux bords d'un flan replié ; et - The upper wall of the cage comprises a junction line between two edges of a folded blank; and
[0020] - la ligne de jonction est au moins partiellement recouverte d'une portion continue du manchon s'étendant au-dessus et parallèlement à la paroi supérieure de la cage et repliée de part et d'autre de celle-ci parallèlement aux parois latérales.  - The junction line is at least partially covered with a continuous portion of the sleeve extending above and parallel to the upper wall of the cage and folded on either side thereof parallel to the walls side.
[0021] Selon un autre aspect l'invention concerne un ensemble de connexion. Un tel ensemble de connexion peut par exemple comprendre un connecteur et un contre-connecteur électriques comportant respectivement un contact électrique femelle selon l'invention, avec deux lames de maintien, et un contact électrique mâle ayant une languette avec une dimension, perpendiculairement à la direction longitudinale et parallèlement aux parois inférieure et supérieure, inférieure à la dimension interne correspondante de la cage, et supérieure à l'écartement entre les extrémités libres des lames de maintien (lorsqu'elles ne sont pas contraintes, avant insertion de la languette dans la cage). According to another aspect the invention relates to a connection assembly. Such a connection assembly may for example comprise an electrical connector and counter-connector respectively comprising a female electrical contact according to the invention, with two holding blades, and a male electrical contact having a tongue with a dimension, perpendicular to the direction longitudinal and parallel to the lower and upper walls, less than the corresponding internal dimension of the cage, and greater than the spacing between the free ends of the holding blades (when they are not stressed, before insertion of the tongue into the cage ).
[0022] Cet ensemble de connexion comporte éventuellement une languette ayant une forme en coupe transversale de parallélépipède aplati, et les lames de maintien prennent appui chacune respectivement sur un bord de la languette correspondant au petit côté de ce parallélépipède. [0023] D'autres caractéristiques et avantages de l'invention apparaîtront à la lecture de la description détaillée qui suit ainsi que sur les dessins annexés. Sur ces dessins : This connection assembly optionally comprises a tongue having a cross-sectional shape of flattened parallelepiped, and the holding blades bear each respectively on an edge of the tongue corresponding to the small side of the parallelepiped. Other features and advantages of the invention will appear on reading the following detailed description and the accompanying drawings. On these drawings:
[0024] - la figure 1 représente schématiquement en perspective un ensemble ce connexion comprenant un contact mâle et un contact femelle ; [0024] - Figure 1 shows schematically in perspective a set this connection comprising a male contact and a female contact;
[0025] - la figure 2 représente schématiquement en perspective la cage du contact femelle de la figure 1 ; [0025] - Figure 2 shows schematically in perspective the cage of the female contact of Figure 1;
[0026] - la figure 3 représente schématiquement en perspective, vue essentiellement de face, la cage de la figure 2 ;  [0026] - Figure 3 shows schematically in perspective, essentially front view, the cage of Figure 2;
[0027] - la figure 4 représente schématiquement en perspective et en coupe, vue essentiellement de dessus, la cage des figures 2 et 3 ;  [0027] - Figure 4 shows schematically in perspective and in section, seen essentially from above, the cage of Figures 2 and 3;
[0028] - la figure 5 représente schématiquement en perspective et en coupe, vue essentiellement de dessus, la cage des figures 2 et 3, avec un manchon autour de la cage et une languette de contact mâle inséré dans la cage ;  [0028] - Figure 5 shows schematically in perspective and in section, seen essentially from above, the cage of Figures 2 and 3, with a sleeve around the cage and a male contact tab inserted into the cage;
[0029] - les figures 6A et 6B représentent chacune une languette de contact mâle ayant une forme différente de celle insérée dans la cage du contact femelle représenté sur la figure 5 ;  - Figures 6A and 6B each show a male contact tab having a shape different from that inserted in the cage of the female contact shown in Figure 5;
[0030] - les figures 7A et 7B représentent en coupe longitudinale une variante de la cage du contact femelle représenté sur les figures 1 à 5, avec une languette de contact mâle insérée dans la cage ; et - Figures 7A and 7B show in longitudinal section a variant of the cage of the female contact shown in Figures 1 to 5, with a male contact tongue inserted into the cage; and
[0031] - les figures 8 A et 8B représentent en coupe longitudinale une autre variante de la cage du contact femelle représenté sur les figures 1 à 5, avec une languette de contact mâle insérée dans la cage.  - Figures 8 A and 8B show in longitudinal section another variant of the cage of the female contact shown in Figures 1 to 5, with a male contact tab inserted into the cage.
[0032] Dans ce document les termes « avant », « arrière », « dessus », « dessous », etc. sont purement conventionnels et font, le cas échéant, référence aux orientations telles que représentées sur les figures.  In this document the terms "before", "back", "above", "below", etc. are purely conventional and make, where appropriate, reference to the orientations as shown in the figures.
[0033] L'ensemble de connexion 100 représenté sur la figure 1 comporte un contact femelle 1 et un contact mâle 2 (dont seule la languette 3 est représentée sur les figures). Le contact femelle 1, seul ou avec d'autres contacts, peut être logé dans un boîtier de connecteur (non représenté) en matière électriquement isolante. De même, le contact mâle 2, seul ou avec d'autres contacts, peut être logé dans un boîtier d'un contre-connecteur (non représenté) en matière électriquement isolante, adapté pour s'accoupler avec le connecteur comportant le contact femelle 1. [0034] Les contacts femelle 1 et mâle 2 sont accouplés, ou appariés, électriquement et mécaniquement en insérant la languette 3 dans la cage 4 du contact femelle 1, dans une direction d'insertion essentiellement parallèle à la direction longitudinale L des contacts mâle 2 et femelle 1. The connection assembly 100 shown in Figure 1 comprises a female contact 1 and a male contact 2 (which only the tongue 3 is shown in the figures). The female contact 1 alone or with other contacts may be housed in a connector housing (not shown) of electrically insulating material. Similarly, the male contact 2, alone or with other contacts, can be housed in a housing of a counter-connector (not shown) of electrically insulating material, adapted to mate with the connector having the female contact 1 . The female contacts 1 and 2 male are coupled, or paired, electrically and mechanically by inserting the tongue 3 in the cage 4 of the female contact 1, in an insertion direction substantially parallel to the longitudinal direction L of the male contacts 2 and female 1.
[0035] Le contact femelle 1 comprend aussi une portion de fixation 5 prolongeant la cage 4, vers l'arrière de celle-ci, dans la direction longitudinale L. La portion de fixation 5 est adaptée dans le cas présent pour recevoir et y sertir l'extrémité d'un câble (non représenté). Le contact femelle 1 comprend également un manchon protecteur 6. The female contact 1 also comprises a fixing portion 5 extending the cage 4, rearwardly thereof, in the longitudinal direction L. The fixing portion 5 is adapted in this case to receive and crimp the end of a cable (not shown). The female contact 1 also comprises a protective sleeve 6.
[0036] La cage 4 est obtenue par emboutissage et pliage d'une tôle de matériau conducteur (cuivre ou aluminium ou un alliage de ces métaux par exemple). Le manchon 6 est également obtenu par emboutissage et pliage d'une tôle de matériau conducteur (acier par exemple).  The cage 4 is obtained by stamping and bending a sheet of conductive material (copper or aluminum or an alloy of these metals for example). The sleeve 6 is also obtained by stamping and bending a sheet of conductive material (steel for example).
[0037] Comme représenté sur la figure 2, la cage 4 a essentiellement une forme parallélépipédique. Elle s'étend longitudinalement parallèlement à la direction L entre une extrémité d'appariement 7, vers l'avant, et une extrémité de fixation 8, vers l'arrière. La cage 4 forme (sans prendre en compte les découpes dans les parois) un tube dont la section transversale est essentiellement rectangulaire. Ce tube a donc essentiellement quatre parois : une paroi inférieure 9, une paroi supérieure 10 et deux parois latérales 11. Il est ouvert à chacune de ses extrémités longitudinales 7 et 8. Du côté de l'extrémité d'appariement 7, il est comporte une ouverture par laquelle peut être insérée la languette 3 d'un contact mâle 2. Les parois inférieure 9, supérieure 10 et latérales 11 délimitent ainsi un espace interne adapté pour recevoir et loger la languette 3. As shown in Figure 2, the cage 4 has essentially a parallelepiped shape. It extends longitudinally parallel to the direction L between a pairing end 7, towards the front, and a fastening end 8, towards the rear. The cage 4 forms (without taking into account the cuts in the walls) a tube whose cross section is essentially rectangular. This tube therefore has essentially four walls: a bottom wall 9, an upper wall 10 and two side walls 11. It is open at each of its longitudinal ends 7 and 8. On the side of the mating end 7, it is an opening through which can be inserted the tongue 3 of a male contact 2. The lower walls 9, upper 10 and side 11 thus define an internal space adapted to receive and accommodate the tongue 3.
[0038] Pour le mode de réalisation décrit ici, la cage 4 est formée d'une seule pièce, en repliant, parallèlement à la direction longitudinale L, une forme découpée par emboutissage et en ramenant les bords du flan d'emboutissage, l'un vers l'autre, sensiblement au niveau d'une ligne de jonction 12 médiane de la paroi supérieure 10 de la cage 4. La ligne de jonction 12 est en partie recouverte d'une portion continue 24 du manchon 6 (voir figure 1). s 'étendant au- dessus et parallèlement à la paroi supérieure 10 de la cage 4. Cette portion continue 24 est repliée de part et d'autre de celle-ci parallèlement aux parois latérales 11. Elle contribue à éviter que les bords de la cage 4 ne s'écartent.  For the embodiment described here, the cage 4 is formed in one piece, folding, parallel to the longitudinal direction L, a form cut by stamping and bringing the edges of the stamping blank, the one towards the other, substantially at a junction line 12 median of the upper wall 10 of the cage 4. The junction line 12 is partly covered with a continuous portion 24 of the sleeve 6 (see Figure 1) . it extends above and parallel to the upper wall 10 of the cage 4. This continuous portion 24 is folded on either side of the latter parallel to the side walls 11. It helps to prevent the edges of the cage 4 do not deviate.
[0039] Les parois supérieure 12 et inférieure 9 comprennent chacune deux lames de contact 13 élastiques et s'étendant, à partir de la cage 4 vers une extrémité libre 14, transversalement par rapport à la direction longitudinale L. Dans le mode de réalisation décrit ici, les lames de contact 13 correspondant aux parois supérieure 10 et inférieure 9 sont liées à la cage au niveau des parois latérales 11. On peut constater que des découpes relativement larges sont ménagées autour de ces lames de contact 13. Ainsi, une certaine élasticité est conférée à la cage 4 qui permet d'amortir une partie de l'énergie des vibrations et limite les déplacements relatifs éventuels entre la languette 3 et les lames de contact 13. Ainsi, cette élasticité assure une bonne tenue aux vibrations, en même temps de bonnes performances électriques. The upper 12 and lower walls 9 each comprise two elastic contact strips 13 and extending from the cage 4 to a free end 14, transversely to the longitudinal direction L. In the embodiment described here the blades of contact 13 corresponding to the upper and lower walls 10 9 are connected to the cage at the side walls 11. It can be seen that relatively large cuts are formed around these contact blades 13. Thus, a certain elasticity is imparted to the cage 4 which makes it possible to damp some of the energy of the vibrations and limits the possible relative displacements between the tongue 3 and the contact blades 13. Thus, this elasticity ensures a good resistance to vibrations, at the same time good electrical performance.
[0040] Comme représenté sur la figure 3, les lames de contact 13 comportent au niveau de leur extrémité libre 14, une arête 15 entre deux surfaces formant un angle aigu avec un plan parallèle aux parois inférieure 9 et supérieure 10. Chaque arête 15 est essentiellement tangente à une droite parallèle à la direction longitudinale L. Chaque arête 15 permet ainsi aux lames de contact 13 de mordre dans la matière constitutive de la languette 3, lorsqu'elle est insérée dans la cage 4, ce qui contribue à établir ainsi un contact électrique le moins résistif possible entre les lames de contact 13 et la languette 3. En outre, chaque arête 15 permet de mieux ancrer la languette 3 entre les lames de contact 13 et d'exercer sur la languette 3 une force de frottement tendant à limiter autant que possible le déplacement relatif de la languette 3 par rapport à la cage 4 dans un plan parallèle aux parois supérieure 10 et inférieure 9. As shown in Figure 3, the contact blades 13 comprise at their free end 14, an edge 15 between two surfaces forming an acute angle with a plane parallel to the lower walls 9 and upper 10. Each edge 15 is essentially tangent to a straight line parallel to the longitudinal direction L. Each edge 15 thus allows the contact blades 13 to bite into the material constituting the tongue 3, when it is inserted into the cage 4, thereby helping to establish a electrical contact the least resistive possible between the contact blades 13 and the tongue 3. In addition, each edge 15 can better anchor the tongue 3 between the contact blades 13 and exert on the tongue 3 a friction force tending to limit as much as possible the relative displacement of the tongue 3 with respect to the cage 4 in a plane parallel to the upper and lower walls 9 and 9.
[0041] Les parois latérales 11 comportent chacune une lame de maintien 16, élastique découpée dans une paroi latérale à laquelle elle reste attachée au niveau d'une jonction 17. Chacune lame de maintien 16 s'étend donc à partir d'une jonction 17 vers une extrémité libre 18. Chaque lame de maintien 16 est repliée vers l'arrière de la cage 4, c'est-à-dire vers l'extrémité de fixation 5, afin de faciliter l'insertion de la languette 3 dans la cage 4 à partir de l'ouverture correspondant à l'extrémité d'appariement 7. Comme on peut le remarquer sur les figures 3 et 4, lorsqu' aucune languette 3 n'est introduite dans la cage 4, les lames de maintien 16 s'étendent globalement transversalement dans l'espace interne de la cage 4, jusqu'à éventuellement presque se rejoindre au centre de celle-ci. La longueur et la forme des lames de maintien 16 permettent de s'adapter à de nombreuses formes de languettes 3, que celles-ci aient des bords 19 parallèles, comme sur la figure 6 A ou en biseau comme sur la figure 6B.  The side walls 11 each comprise a holding blade 16, elastic cut in a side wall to which it remains attached at a junction 17. Each holding blade 16 therefore extends from a junction 17 to a free end 18. Each holding blade 16 is folded towards the rear of the cage 4, that is to say towards the fixing end 5, in order to facilitate the insertion of the tongue 3 into the cage 4 as from the opening corresponding to the end of the pairing 7. As can be seen in FIGS. 3 and 4, when no tongue 3 is inserted into the cage 4, the holding blades 16 extend generally transversely in the internal space of the cage 4, until possibly almost meet in the center of it. The length and shape of the holding blades 16 allow to adapt to many forms of tongues 3, that they have parallel edges 19, as in Figure 6 A or bevel as in Figure 6B.
[0042] Chaque paroi latérale 11 comporte une fenêtre 20 correspondant à la portion de la cage 4 découpée pour former une lame de maintien 16 respective. Each side wall 11 has a window 20 corresponding to the portion of the cage 4 cut to form a respective holding blade 16.
[0043] Chacune lame de maintien 16 a, en coupe longitudinale, parallèlement aux parois inférieure 9 et supérieure 10, une forme en « S ». Comme représenté sur la figure 5, une portion de cette forme en « S » est destinée à venir au contact d'un bord 19 longitudinal de la languette 3, lorsque celle-ci est introduite dans la cage4. Une autre portion de cette forme en « S » est destinée à venir au contact de la face interne du manchon 6. Cette dernière portion de la forme en « S » forme une zone de pression prenant d'appui sur le manchon 6 lorsqu'une languette 3 de contact mâle 2 est logée dans la cage 4. Ainsi, non seulement les lames de maintien 16 guident et maintiennent la languette 3 dans la cage 4, mais elles limitent, d'une part, les déplacements transversaux (dans un plan parallèle aux parois supérieure 10 et inférieure 9) de la languette 3 par rapport à la cage 4 et, d'autre part, les déplacements de la cage 4 par rapport au manchon 6. En outre, la pression des lames de maintien 16 sur la face interne du manchon 6, augmente la force exercée par les lames de maintien 16 sur la languette 3, contribuant ainsi à un meilleur maintien de la languette 3 dans la cage 4. Each holding blade 16 has, in longitudinal section, parallel to the bottom wall 9 and upper 10, an "S" shape. As shown in FIG. 5, a portion of this "S" shape is intended to come into contact with a longitudinal edge 19 of the tongue 3, when it is inserted into the cage4. Another portion of this "S" shape is intended to come into contact with the inner face of the sleeve 6. This last portion of the "S" shape forms a pressure zone taking support on the sleeve 6 when a tongue 3 of male contact 2 is housed in the cage 4. Thus, not only the holding blades 16 guide and maintain the tongue 3 in the cage 4, but they limit, on the one hand, the transverse displacements (in a parallel plane) at the top 10 and bottom 9) of the tongue 3 relative to the cage 4 and, secondly, the displacement of the cage 4 relative to the sleeve 6. In addition, the pressure of the holding blades 16 on the face internal of the sleeve 6, increases the force exerted by the holding blades 16 on the tongue 3, thus contributing to a better maintenance of the tongue 3 in the cage 4.
[0044] Comme on peut le voir sur la figure 5 en particulier, le manchon 6 comporte deux rampes 21. Chaque rampe 21 est repliée vers l'espace interne de la cage 4 au niveau de son extrémité d'appariement 7. Elles guident la languette 3 lors de son introduction dans la cage 4. Ces rampes 21 permettent d'attacher le manchon 6 dans la cage 4 et de bloquer le mouvement de la cage 4 dans le manchon 6, dans la direction longitudinale L. En outre, ces rampes 21 peuvent former chacune un point appui contribuant également à limiter le déplacement transversal (dans un plan parallèle aux parois supérieure 10 et inférieure 9) de la languette 3 par rapport à la cage 4.  As can be seen in Figure 5 in particular, the sleeve 6 comprises two ramps 21. Each ramp 21 is folded towards the internal space of the cage 4 at its pairing end 7. They guide the tongue 3 when introduced into the cage 4. These ramps 21 allow to attach the sleeve 6 in the cage 4 and to block the movement of the cage 4 in the sleeve 6, in the longitudinal direction L. In addition, these ramps 21 may each form a bearing point also contributing to limit the transverse displacement (in a plane parallel to the upper and lower walls 9) of the tongue 3 relative to the cage 4.
[0045] Le manchon 6 comporte également, sur sa face interne, des nervures 22 interférant avec la surface externe des parois latérales 11 de la cage 4, et contribuant également à limiter le déplacement transversal (dans un plan parallèle aux parois supérieure 10 et inférieure 9) de la languette 3 par rapport à la cage 4.  The sleeve 6 also comprises, on its inner face, ribs 22 interfering with the outer surface of the side walls 11 of the cage 4, and also contributing to limiting the transverse displacement (in a plane parallel to the upper and lower walls 10 and 10). 9) of the tongue 3 with respect to the cage 4.
[0046] Grâce aux lames de maintien 16, on peut réduire les déplacements relatifs transversaux de la languette 3 dans la cage 4 à 0,8μιη ou moins. Pour cet exemple précis, la largeur moyenne de la languette est d'environ 1.2mm, et la largeur de la cage est de 1.8mm.  With the holding blades 16, we can reduce the relative transverse displacements of the tongue 3 in the cage 4 to 0.8μιη or less. For this specific example, the average width of the tongue is about 1.2mm, and the width of the cage is 1.8mm.
[0047] Des variantes du mode de réalisation précédent sont décrites ci-dessous en relation avec les figures 7A, 7B, 8A et 8B. Variations of the previous embodiment are described below in connection with Figures 7A, 7B, 8A and 8B.
[0048] La variante des figures 7A et 7B, diffère de la précédente essentiellement par le fait que chaque lame de maintien 16 est repliée, sensiblement à la moitié de sa longueur, en ramenant son extrémité libre 18 à travers la fenêtre afin que celle-ci soit au contact de la surface interne du manchon 6 et prenne appui sur celle-ci. La portion recourbée (sensiblement en son milieu) de chaque lame de maintien 16 vient au contact d'un bord 19 longitudinal de la languette 3 lorsque celle-ci est introduite dans la cage 4. Cette forme peut éventuellement contribuer à conférer plus de rigidité aux lames maintien 16, par rapport au mode de réalisation précédent. The variant of Figures 7A and 7B, differs from the previous essentially in that each holding blade 16 is folded substantially at half its length, bringing its free end 18 through the window so that it it is in contact with the inner surface of the sleeve 6 and bears on it. The bent portion (substantially in the middle) of each holding blade 16 comes into contact with a longitudinal edge 19 of the tongue 3 when it is introduced into the cage 4. This shape may possibly contribute to confer more rigidity to the holding blades 16, compared to the previous embodiment.
[0049] La variante des figures 8A et 8B, diffère des précédentes essentiellement par le fait que chaque lame de maintien 16 prend appui sur la surface interne du manchon 6 par son extrémité libre 18 au lieu d'une portion recourbée. L'extrémité libre 18 repose sur la surface interne du manchon 6 au niveau d'une arête 23 mordant dans la matière constitutive du manchon 6 et créant ainsi une friction accrue de la lame de maintien 16 sur la surface interne du manchon 6 lorsque la languette 3 tend à se déplacer transversalement dans un plan parallèle aux parois supérieure 10 et inférieure 9.  The variant of Figures 8A and 8B, differs from the previous essentially in that each holding strip 16 bears on the inner surface of the sleeve 6 by its free end 18 instead of a curved portion. The free end 18 rests on the inner surface of the sleeve 6 at an edge 23 biting in the constituent material of the sleeve 6 and thus creating an increased friction of the holding blade 16 on the inner surface of the sleeve 6 when the tongue 3 tends to move transversely in a plane parallel to the upper and lower walls 9 and 9.
[0050] D'une manière générale, le contact femelle selon l'invention peut, grâce à l'élasticité de la, ou des, lame(s) latérale(s), permettre d'accommoder plusieurs formes et dimensions de languettes 3 tout en conservant, voire en améliorant, les performances lorsque les contacts femelle 1 et mâle 2 sont soumis à des vibrations.  In general, the female contact according to the invention can, thanks to the elasticity of the or, blade (s) side (s), allow to accommodate several shapes and dimensions of tabs 3 while maintaining or even improving the performance when the female contacts 1 and 2 male are subjected to vibration.
[0051] Eventuellement, si le contact femelle n'est pas entouré d'un manchon, et que le contact femelle est constitué d'une seule pièce, ce qui vient d'être décrit ci-dessus en relation avec le manchon 6 peut être transposé aux surfaces internes d'un boîtier dans lequel est logé le contact femelle 1. Optionally, if the female contact is not surrounded by a sleeve, and that the female contact is constituted of a single piece, which has just been described above in relation to the sleeve 6 may be transposed to the internal surfaces of a housing in which is housed the female contact 1.

Claims

Revendications claims
1. Contact électrique femelle (1) comprenant une cage (4) s 'étendant selon une direction longitudinale entre 1. Female electrical contact (1) comprising a cage (4) extending in a longitudinal direction between
une extrémité d'appariement (7) munie d'une ouverture par laquelle une languette (3) de contact mâle (2) peut être introduite dans la cage (4), une extrémité de fixation (8) à partir de laquelle le contact femelle (1) se prolonge par une portion de fixation (5) au niveau de laquelle un câble peut être fixé et relié électriquement,  a pairing end (7) provided with an opening through which a tongue (3) of male contact (2) can be introduced into the cage (4), a fixing end (8) from which the female contact (1) is extended by a fixing portion (5) at which a cable can be fixed and electrically connected,
la cage (4) comprend une paroi inférieure (9), une paroi supérieure (10) et deux parois latérales (11) s'étendant entre les parois inférieure (9) et supérieure (10), ces parois inférieure (9), supérieure (10) et latérales (11) délimitant un espace interne adapté pour recevoir et loger la languette (3) de contact mâle (2) introduite par l'ouverture, les parois supérieure (10) et inférieure (9) comprenant chacune au moins une lame de contact (13), élastique et s'étendant, à partir de la cage (4) vers une extrémité libre (14), transversalement par rapport à la direction longitudinale (L),  the cage (4) comprises a bottom wall (9), an upper wall (10) and two side walls (11) extending between the lower (9) and upper (10) walls, these lower walls (9), upper (10) and lateral (11) delimiting an internal space adapted to receive and accommodate the tongue (3) of male contact (2) introduced through the opening, the upper (10) and lower (9) walls each comprising at least one contact blade (13), elastic and extending, from the cage (4) towards a free end (14), transversely to the longitudinal direction (L),
caractérisé par le fait qu'au moins l'une des parois latérales (11) comporte au moins une lame de maintien (16) élastique et découpée dans une paroi latérale (11) à laquelle elle reste attachée au niveau d'une jonction (17) plus proche de l'extrémité d'appariement (7) que de l'extrémité de fixation (8), et s'étendant à partir de la jonction (17) vers une extrémité libre (18) située plus proche de l'extrémité de fixation (8) que de l'extrémité d'appariement (7), l'extrémité libre (18) faisant saillie dans l'espace interne.  characterized in that at least one of the side walls (11) has at least one resilient retaining blade (16) cut into a side wall (11) to which it remains attached at a junction (17). ) closer to the mating end (7) than the attachment end (8), and extending from the junction (17) to a free end (18) located closer to the end fastening (8) than the mating end (7), the free end (18) projecting into the internal space.
2. Contact selon la revendication 1, comportant un manchon (6) enveloppant, par l'extérieur de la cage (4), au moins partiellement les parois inférieure (9), supérieure (10) et latérales (11), 2. Contact according to claim 1, comprising a sleeve (6) wrapping, by the outside of the cage (4), at least partially the bottom walls (9), upper (10) and side (11),
3. Contact selon la revendication 2, dans lequel le manchon (6) comporte deux rampes (21), chacune repliée vers les parois latérales (11) et l'espace interne de la cage (4), au niveau de son extrémité d'appariement (7). 3. Contact according to claim 2, wherein the sleeve (6) comprises two ramps (21), each folded towards the side walls (11) and the internal space of the cage (4), at its end d ' matching (7).
4. Contact selon l'une des revendications 2 ou 3, dans lequel chaque lame de maintien (16) comporte une zone de pression prenant appui sur le manchon (6) lorsqu'une languette (3) de contact mâle (2) est logée dans la cage (4). 4. Contact according to one of claims 2 or 3, wherein each retaining blade (16) comprises a pressure zone bearing on the sleeve (6) when a tab (3) male contact (2) is housed in the cage (4).
5. Contact selon l'une des revendications précédentes, dans lequel les lames de contact (13) correspondant aux parois supérieure (10) et inférieure (9) comportent, au niveau de leur extrémité libre (14), une arête (15) entre deux surfaces formant un angle aigu avec un plan parallèle aux parois inférieure (9) et supérieure (10). 5. Contact according to one of the preceding claims, wherein the contact blades (13) corresponding to the upper (10) and lower (9) walls comprise, at their free end (14), an edge (15) between two surfaces forming an acute angle with a plane parallel to the lower (9) and upper (10) walls.
6. Contact selon l'une des revendications précédentes, dans lequel les lames de contact (13) correspondant aux parois supérieure (10) et inférieure (9) sont liées à la cage (4) au niveau des parois latérales (11). 6. Contact according to one of the preceding claims, wherein the contact blades (13) corresponding to the upper walls (10) and lower (9) are connected to the cage (4) at the side walls (11).
7. Contact selon l'une des revendications précédentes, dans lequel la cage (4) est intégralement formée d'une seule pièce. 7. Contact according to one of the preceding claims, wherein the cage (4) is integrally formed in one piece.
8. Contact selon l'une des revendications précédentes, dans lequel la paroi supérieure (10) de la cage (4) comporte une ligne de jonction (12) entre deux bords d'un flan replié. 8. Contact according to one of the preceding claims, wherein the upper wall (10) of the cage (4) comprises a connecting line (12) between two edges of a folded blank.
9. Contact selon la revendication 8, en combinaison avec la revendication 2, dans lequel la ligne de jonction (12) est au moins partiellement recouverte d'une portion continue (24) du manchon s 'étendant au-dessus et parallèlement à la paroi supérieure (10) de la cage (4) et repliée de part et d'autre de celle-ci parallèlement aux parois latérales (11). 9. A contact according to claim 8, in combination with claim 2, wherein the junction line (12) is at least partially covered by a continuous portion (24) of the sleeve extending above and parallel to the wall upper (10) of the cage (4) and folded on either side thereof parallel to the side walls (11).
10. Ensemble de connexion comportant un contact électrique femelle (1) selon l'une des revendications précédentes comportant deux lames de maintien (16) et un contact électrique mâle (2) ayant une languette (3) avec une dimension, perpendiculairement à la direction longitudinale (L) et parallèlement aux parois inférieure (9) et supérieure (10), inférieure à la dimension interne correspondante de la cage (4), et supérieure à l'écartement entre les extrémités libres (18) des lames de maintien (16). 10. Connection assembly comprising a female electrical contact (1) according to one of the preceding claims comprising two holding blades (16) and a male electrical contact (2) having a tongue (3) with a dimension, perpendicular to the direction longitudinal (L) and parallel to the lower (9) and upper (10) walls, smaller than the corresponding internal dimension of the cage (4), and greater than the spacing between the free ends (18) of the holding blades (16). ).
11. Ensemble de connexion selon la revendication 10, dans lequel la languette (3) a une forme en coupe transversale de parallélépipède aplati, et les lames de maintien (16) prennent appui chacune respectivement sur un petit côté de ce parallélépipède. 11. Connection assembly according to claim 10, wherein the tongue (3) has a cross-sectional shape of flattened parallelepiped, and the holding blades (16) bear each respectively on a small side of the parallelepiped.
EP16810358.8A 2015-12-17 2016-12-13 Contact femelle avec lames latérales de maintien pour contact mâle et ensemble de connexion comportant de tels contacts femelle et mâle Active EP3391474B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1562689A FR3045964B1 (en) 2015-12-17 2015-12-17 FEMALE CONTACT WITH LATERAL HOLDING BLADES FOR MALE CONTACT AND CONNECTING ASSEMBLY COMPRISING SUCH FEMALE AND MALE CONTACTS
PCT/EP2016/080791 WO2017102725A1 (en) 2015-12-17 2016-12-13 Female contact with lateral retaining blades for male contact and connection assembly including such female and male contacts

Publications (2)

Publication Number Publication Date
EP3391474A1 true EP3391474A1 (en) 2018-10-24
EP3391474B1 EP3391474B1 (en) 2021-02-03

Family

ID=55646756

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Application Number Title Priority Date Filing Date
EP16810358.8A Active EP3391474B1 (en) 2015-12-17 2016-12-13 Contact femelle avec lames latérales de maintien pour contact mâle et ensemble de connexion comportant de tels contacts femelle et mâle

Country Status (7)

Country Link
US (2) US20180375241A1 (en)
EP (1) EP3391474B1 (en)
JP (1) JP2018537832A (en)
KR (1) KR20180093928A (en)
CN (1) CN108370112B (en)
FR (1) FR3045964B1 (en)
WO (1) WO2017102725A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI725721B (en) * 2020-01-22 2021-04-21 凡甲科技股份有限公司 Contact
TWI802862B (en) * 2021-04-01 2023-05-21 華碩電腦股份有限公司 Connector assembly and female connector

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3660806A (en) * 1970-10-07 1972-05-02 Thomas & Betts Corp Connector
FR2749440B1 (en) * 1996-06-03 1998-10-30 Framatome Connectors Int REINFORCED CAGE TYPE FEMALE ELECTRIC CONTACT TERMINAL
DE19734523C2 (en) * 1997-08-08 1999-07-29 Framatome Connectors Int Connector sleeve
JP2004520687A (en) * 2000-12-07 2004-07-08 エフシーアイ Female contact with cage with blade module
JP2003022859A (en) * 2001-07-06 2003-01-24 Japan Aviation Electronics Industry Ltd Socket contact
US6790101B1 (en) * 2003-07-15 2004-09-14 Molex Incorporated Female terminal with sacrificial arc discharge contacts
US6945830B2 (en) * 2003-10-20 2005-09-20 Tyco Electronics Corporation Connector system having opposing biasing beam and lance
JP2008140589A (en) * 2006-11-30 2008-06-19 Yazaki Corp Female terminal
DE102009030463A1 (en) * 2009-06-25 2010-12-30 Lapp Engineering & Co. Electrical connector
JP5720507B2 (en) * 2011-05-19 2015-05-20 住友電装株式会社 Terminal fittings and connectors
JP2014053076A (en) * 2012-09-05 2014-03-20 Sumitomo Wiring Syst Ltd Female terminal
CN203826623U (en) * 2014-02-14 2014-09-10 萧至仁 Hollow terminal structure
CN203942065U (en) * 2014-07-07 2014-11-12 泰科电子(上海)有限公司 Parent form terminal and electric connector
EP3240114B1 (en) * 2016-04-25 2019-01-23 Aptiv Technologies Limited Electrical contact terminal and method to manufacture the same

Also Published As

Publication number Publication date
US20180375241A1 (en) 2018-12-27
JP2018537832A (en) 2018-12-20
KR20180093928A (en) 2018-08-22
FR3045964A1 (en) 2017-06-23
CN108370112A (en) 2018-08-03
US20200076106A1 (en) 2020-03-05
FR3045964B1 (en) 2018-06-15
CN108370112B (en) 2020-05-12
EP3391474B1 (en) 2021-02-03
WO2017102725A1 (en) 2017-06-22

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