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EP1721366A1 - Electric connector housing with improved contact stops and electric connector comprising said housing - Google Patents

Electric connector housing with improved contact stops and electric connector comprising said housing

Info

Publication number
EP1721366A1
EP1721366A1 EP05715749A EP05715749A EP1721366A1 EP 1721366 A1 EP1721366 A1 EP 1721366A1 EP 05715749 A EP05715749 A EP 05715749A EP 05715749 A EP05715749 A EP 05715749A EP 1721366 A1 EP1721366 A1 EP 1721366A1
Authority
EP
European Patent Office
Prior art keywords
cell
housing
electrical connector
contact
housing according
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
EP05715749A
Other languages
German (de)
French (fr)
Other versions
EP1721366B1 (en
Inventor
Frédéric MENEZ
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
FCI SA
Original Assignee
FCI SA
Framatome Connectors International SAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by FCI SA, Framatome Connectors International SAS filed Critical FCI SA
Publication of EP1721366A1 publication Critical patent/EP1721366A1/en
Application granted granted Critical
Publication of EP1721366B1 publication Critical patent/EP1721366B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
    • H01R13/42—Securing in a demountable manner
    • H01R13/422—Securing in resilient one-piece base or case, e.g. by friction; One-piece base or case formed with resilient locking means
    • H01R13/4223—Securing in resilient one-piece base or case, e.g. by friction; One-piece base or case formed with resilient locking means comprising integral flexible contact retaining fingers
    • H01R13/4226—Securing in resilient one-piece base or case, e.g. by friction; One-piece base or case formed with resilient locking means comprising integral flexible contact retaining fingers comprising two or more integral flexible retaining fingers acting on a single contact
    • 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
    • H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
    • H01R13/42—Securing in a demountable manner
    • H01R13/422—Securing in resilient one-piece base or case, e.g. by friction; One-piece base or case formed with resilient locking means

Definitions

  • the present invention relates to an electrical connector housing, which comprises a set of cells designed to each receive a contact by engagement along an axis, each cell of the assembly being defined essentially by at least two opposite axial side walls, and comprising two elastic locking lugs extending substantially axially to. from two respective opposite transverse walls.
  • each contact after its installation in the cell provided for this purpose, is blocked inside this cell thanks to the elastic latches which oppose its removal.
  • stops are formed at the front of each cell in order to limit the insertion of the contact.
  • these stops are constituted by blocks made of material with the housing, and formed at the four corners of the front end section of the cell, by defining a narrowing of the latter.
  • the housings or housing parts of the above type are produced by molding in one piece, and the internal shapes of the cells are obtained by pins arranged in the molds and generally movable along their axis inside the mold. during the molding operation.
  • this molding technique which makes it impossible to obtain undercut shapes with respect to the cell axis, the maximum width of the latch is limited by the distance transversely separating two stop blocks.
  • the use of current molding techniques, to produce connector housings of known structure severely limits the dimensions of the locking catches, and therefore the maximum effort.
  • the object of the invention is to design a connector housing of the type described above, the structure of which makes it possible to increase the retention force exerted by the latches, and which can be obtained by the simplest usual molding techniques.
  • each cell comprises, on the side of its front end, at least one bar forming a stop for limiting the insertion of the contact into the cell, which is formed so that its axial projection is located between the latches and does not interfere with them.
  • said strip connects the two opposite side walls adjacent to the transverse walls; -
  • Each cell of the assembly is provided with two such bars forming stops, which extend in parallel; -
  • On at least one axial section, at least one of the two latches has a width substantially equal to the width of one cell;
  • - at least one of the two catches is connected to the respective transverse wall by its rear end, has a hook which projects towards the axis of the cell, on the side of the front end which is free, and has a maximum width of the side of its rear end;
  • each cell of the assembly is symmetrical with respect to an axial plane extending between the two latches; and the housing is molded in one piece from plastic.
  • FIG. 1 is a partial perspective view of an electrical connector housing according to the invention, cut along the median axial plane of a row of cells;
  • - Figure 2 is a detailed perspective view, in another direction and on a larger scale, of the housing shown in Figure 1, showing more precisely the structure of a cell;
  • Figure 3 is a view similar to Figure 2 showing a contact engaged and locked inside the cell;
  • - Figure 4 is a sectional view, in its median plane, of the cell shown in Figure 3, and of a contact housed in this cell;
  • - Figure 5 is a partial view, in the direction V, of the front face of the housing, showing the contactless cell of Figure 2.
  • an electrical connector housing 1 of the type designed to receive and secure a plurality of contacts 2 (Figures 3 and 4), here female contacts.
  • This housing 1 is formed by molding in an insulating material, preferably in a plastic material.
  • Such a housing can, indifferently for the present invention, constitute a module intended to be housed in a main connector housing, or itself constitute a main connector housing, provided with locking means allowing it to be coupled with a connector counterpart.
  • the housing 1 is in the general form of a parallelepiped having external peripheral walls 3, a front face 5 intended to be turned in the direction of coupling with the connector counterpart, and a face rear 7 for introducing the contacts into the housing.
  • the housing has, on the side of its rear face 7, a skirt 8 formed by an extension of the peripheral outer walls 3.
  • this skirt 8 can for example be housed a grommet seal (or "grommet""), Or a sealant.
  • the Figures will be oriented according to the system of axes X, Y, Z, in which: the axis Z corresponds to the axis of insertion of the contacts in the housing 1, as well as to the coupling axis of the connector parts.
  • the axis Z is oriented from rear to front, that is to say according to the direction of engagement of a contact in the housing and of the housing 1 with the connector counterpart; and - the X axis and the Y axis are the axes “orthogonal” to the Z axis which each define with the latter a respective plane of the outer walls 3.
  • the housing 1 has a series of cells 9 arranged in several rows which extend laterally.
  • a cell will be defined as an assembly consisting of a housing intended to receive a contact, and associated means, specific to the housing 1, for blocking the contact in this housing.
  • Each cell 9 is partly formed as an "axial" conduit opening on the one hand on the front face 5, and on the other hand on the rear face 7.
  • a cell 9 is delimited, laterally, by two parallel lateral walls 11 which extend over most of its length, and, transversely, by two opposite parallel transverse walls 13 which extend over an intermediate axial section.
  • Each cell 9 is provided with two elastic lugs 15 which each extend axially from a respective transverse wall 13.
  • Each latch 15, on the side of its free end 17 turned towards the front, has a hook 19 turned towards the inside the cell.
  • the latches 15 are provided for locking a contact inside its housing, by elastic engagement, the hook 19 engaging in a corresponding window 21 of the contact 2.
  • the housing 1 is molded , for each cell 9, with two bars 25 parallel to the axis X connecting the two opposite side walls 11 of
  • the bars 25 connecting the side walls 11 consecutively provide the front face of the housing with increased rigidity with a low material input.
  • at least one of the bars could be interrupted, or constituted by two studs facing each other, each secured to a respective wall 11 and projecting towards the cell axis. So, 1 introduction into the cell and the pressure on the contact of a test tip would be facilitated.
  • the two bars 25 of the same socket are spaced laterally by a distance allowing the introduction of a contact tongue or pin, complementary to the female contact 2.
  • the bars are spaced apart by a distance allowing the passage of a free end part, tongue or pin, of the contact. As can be seen in FIGS.
  • the bars 25 are provided to form stop stops limiting the insertion of the contact 2 into the cell 9.
  • the bars 25 are separated axially from the hooks 19 by a distance corresponding substantially to the distance separating the front end of the contact 2 from the window 21. It is understood, in the light of FIGS. 3 and 4, that the latches 15 make it possible to lock a contact 2 in the socket 9 in its operating position, by opposing the withdrawal of the contact towards the rear of the housing, and that the bars 25 oppose the extraction by the before contact, from its locked position in the socket. This function is ensured by the abutment of the front end of the contact on the bars 25.
  • the cell 9 is therefore provided with contact locking means by elastic engagement, constituted by the latches 15 , and stop means limiting the insertion of the contact, constituted by the two parallel bars 25.
  • each cell 9, including the latches 15 and the bars 25, is symmetrical by with respect to its transverse median plane XZ, and with respect to its lateral median plane YZ.
  • each bar is formed on a section, along the axis Y, adjacent but not overlapping with respect to the section on which is formed the latch 15 located on the same side of the transverse plane of symmetry.
  • the projection along the Z axis on the XY plane of the two bars 25, is located between the projections of the two latches 15 on the same plane, without overlapping or interference of the projections of the bars on the one hand with the projections of the latches on the other hand.
  • the latches 15 and the bars 25 can be formed by means of pins with axial movement Z, without requiring the use of drawers with lateral or transverse movement.
  • the molding of such bars 25 does not imply additional constraints on the width (along the X axis) of the latches 15.
  • the latter can therefore be formed with a width almost equal to the width of the cell 9, defined as the distance separating the two side walls 11.
  • the width of the latch 15 may advantageously be greater than
  • each latch is represented with a width equal to half the width of the complete latch, as it appears in the neighboring cell. This has not been shown, but it can be expected that the latch 15 has a maximum width on the side of its rear end, by which it is connected to the respective wall 13, its width may be progressively decreasing from the rear end to the free end before 17.

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 housing has a set of sockets (9), each including a strip (25) at the side of a front end (17) of breaker arms (15). Each strip forms stop limiting the insertion of a contact into the socket such that axial projection of the contact is located between the breaker arms and does not interfere with the arms. Each strip connects two opposite lateral walls (11) of the socket adjacent to transversal walls (13). An independent claim is also included for an electrical connector including a housing.

Description

BOITIER DE CONNECTEUR ELECTRIQUE A BUTEES D'ARRET DE CONTACT AMELIOREES, ET CONNECTEUR ELECTRIQUE COMPORTANT UN TEL BOITIER. La présente invention concerne un boîtier de connecteur électrique, qui comprend un ensemble d'alvéoles prévues pour recevoir chacune un contact par engagement selon un axe, chaque alvéole de l'ensemble étant délimitée essentiellement par au moins deux parois latérales axiales opposées, et comprenant deux linguets élastiques de verrouillage s'étendant de façon essentiellement axiale à. partir de deux parois transversales opposées respectives. Dans un tel boîtier, chaque contact, après sa mise en place dans l'alvéole prévue à cet effet, est bloqué à l'intérieur de cette alvéole grâce aux linguets élastiques qui s'opposent à son retrait. D'autre part, des butées sont formées à l'avant de chaque alvéole afin de limiter l'insertion du contact. Dans l'état de la technique, ces butées d'arrêt sont constituées par des blocs venus de matière avec le boîtier, et formés aux quatre coins de la section d'extrémité avant de l'alvéole, en définissant un rétrécissement de cette dernière . Généralement, les boîtiers ou parties de boîtier du type ci-dessus sont réalisées par moulage d'une seule pièce, et les formes intérieures des alvéoles sont obtenues par des broches agencées dans les moules et généralement déplaçables selon leur axe à l'intérieur du moule au cours de l'opération de moulage. Avec cette technique de moulage, qui rend impossible l'obtention de formes en contre-dépouille vis-à-vis de l'axe d'alvéole, la largeur maximale du linguet est limitée par la distance séparant transversalement deux blocs de butée. Ainsi, l'utilisation des techniques courantes de moulage, pour réaliser des boîtiers de connecteur de structure connue, limite de façon sévère les dimensions des linguets de verrouillage, et par conséquent l'effort maximum de rétention dans l'alvéole produit par les linguets sur le contact correspondant. D'autres techniques de moulage plus complexes, mettant en œuvre des tiroirs mobiles, permettent d'obtenir des formes en contre-dépouille . Néanmoins, ces techniques sont non seulement difficiles d'application à la fabrication de boîtiers de connecteur de ce type, du fait des faibles épaisseurs de paroi des alvéoles, mais sont également très pénalisantes du point de vue des coûts d'outillage. L'invention a pour but de concevoir un boîtier de connecteur du type précédemment exposé, dont la structure permette d'augmenter l'effort de rétention exercé par les linguets, et qui puisse être obtenu par les techniques de moulage usuelles les plus simples. A cet effet, dans un boîtier de connecteur électrique conforme à l'invention, chaque alvéole comprend, du côté de son extrémité avant, au moins une barrette formant butée de limitation d'insertion du contact dans l'alvéole, qui est formée de façon que sa projection axiale soit située entre les linguets et n'interfère pas avec ces derniers. Suivant d'autres caractéristiques, optionnelles, de 1 ' invention : ladite barrette relie les deux parois latérales opposées adjacentes aux parois transversales ; - chaque alvéole de l'ensemble est pourvue de deux telles barrettes formant butées, qui s'étendent parallèlement ; - sur au moins un tronçon axial, l'un au moins des deux linguets a une largeur sensiblement égale à la largeur de 1 ' alvéole ; - l'un au moins des deux linguets est relié à la paroi transversale respective par son extrémité arrière, comporte un crochet qui fait saillie vers l'axe de l'alvéole, du côté de l'extrémité avant qui est libre, et présente une largeur maximale du côté de son extrémité arrière ; chaque alvéole de 1 ' ensemble est symétrique par rapport à un plan axial s 'étendant entre les deux linguets ; et le boîtier est moulé d'une pièce en matière plastique. L'invention vise en outre un connecteur électrique comprenant un boîtier tel que décrit précédemment, et des contacts engagés dans des alvéoles respectives dudit boîtier. Un mode particulier de réalisation de l'invention va maintenant être décrit plus en détail, en référence aux dessins annexés, sur lesquels : - la Figure 1 est une vue partielle en perspective d'un boîtier de connecteur électrique selon l'invention, coupée selon le plan axial médian d'une rangée d'alvéoles ; - la Figure 2 est une vue de détail en perspective, selon une autre direction et à plus grande échelle, du boîtier représenté à la Figure 1, montrant plus précisément la structure d'une alvéole ; la Figure 3 est une vue analogue à la Figure 2 , montrant un contact engagé et verrouillé à l'intérieur de 1 ' alvéole ; - la Figure 4 est une vue en coupe, dans son plan médian, de l'alvéole représentée sur la Figure 3, et d'un contact logé dans cette alvéole; et - la Figure 5 est une vue partielle, selon la direction V, de la face avant du boîtier, montrant l'alvéole sans contact de la Figure 2. Sur les Figures, on a représenté partiellement un boîtier 1 de connecteur électrique, du type prévu pour recevoir et assurer la fixation d'une pluralité de contacts 2 (Figures 3 et 4), ici des contacts femelles. Le choix a été fait de décrire l'invention pour un boîtier destiné à recevoir des contacts femelles, mais l'invention s'applique naturellement de la même façon à un boîtier prévu pour des contacts mâles. Ce boîtier 1 est formé par moulage dans une matière isolante, de préférence dans une matière plastique. Un tel boîtier peut, de façon indifférente pour la présente invention, constituer un module destiné à être logé dans un boîtier principal de connecteur, ou constituer lui- même un boîtier principal de connecteur, doté de moyens de verrouillage lui permettant d'être accouplé avec une contrepartie de connecteur. Dans la forme de réalisation représentée, le boîtier 1 se présente sous la forme générale d'un parallélépipède possédant des parois périphériques extérieures 3, une face avant 5 prévue pour être tournée dans la direction d'accouplement avec la contrepartie de connecteur, et une face arrière 7 d'introduction des contacts dans le boîtier. Dans l'exemple représenté, le boîtier présente, du côté de sa face arrière 7, une jupe 8 formée par un prolongement des parois extérieures périphériques 3. Dans cette jupe 8, peut par exemple être logé un joint passe-fils (ou « grommet ») , ou une matière d' étanchéité . Par souci de clarté de la description qui va suivre, les Figures seront orientées suivant le système d'axes X,Y,Z, dans lequel : - l'axe Z correspond à l'axe d'insertion des contacts dans le boîtier 1, ainsi qu'à l'axe d'accouplement des parties de connecteur. L'axe Z est orienté d'arrière en avant, c'est-à-dire selon le sens d'engagement d'un contact dans le boîtier et du boîtier 1 avec la contrepartie de connecteur ; et - l'axe X et l'axe Y sont les axes « orthogonaux » à l'axe Z qui définissent chacun avec ce dernier un plan respectif des parois extérieures 3. Dans tout ce qui suit, le terme « axial » s'entendra d'une direction parallèle à l'axe Z, tandis que les directions de l'axe X et de l'axe Y seront dites respectivement « transversale » et « latérale ». Le boîtier 1 présente une série d'alvéoles 9 disposées en plusieurs rangées qui s'étendent latéralement. Dans la présente description, on définira une alvéole comme un ensemble constitué d'un logement prévu pour recevoir un contact, et des moyens associés, propres au boîtier 1, de blocage du contact dans ce logement. Chaque alvéole 9 est pour partie formée comme un conduit « axial » débouchant d'une part sur la face avant 5, et d'autre part sur la face arrière 7. Une alvéole 9 est délimitée, latéralement, par deux parois latérales parallèles 11 qui s'étendent sur l'essentiel de sa longueur, et, transversalement, par deux parois transversales parallèles opposées 13 qui s'étendent sur une section axiale intermédiaire. Chaque alvéole 9 est pourvue de deux linguets élastiques 15 qui s'étendent axialement chacun à partir d'une paroi transversale respective 13. Chaque linguet 15, du côté de son extrémité libre 17 tournée vers l'avant, comporte un crochet 19 tourné vers l'intérieur de l'alvéole. Les linguets 15 sont prévus- pour verrouiller un contact à l'intérieur de son logement, par enclenchement élastique, le crochet 19 s' engageant dans une fenêtre 21 correspondante du contact 2. Au niveau de la face avant 5, le boîtier 1 est moulé, pour chaque alvéole 9, avec deux barrettes 25 parallèles à l'axe X reliant les deux parois latérales opposées 11 deELECTRICAL CONNECTOR HOUSING WITH IMPROVED CONTACT STOPPERS, AND ELECTRICAL CONNECTOR COMPRISING SUCH A HOUSING. The present invention relates to an electrical connector housing, which comprises a set of cells designed to each receive a contact by engagement along an axis, each cell of the assembly being defined essentially by at least two opposite axial side walls, and comprising two elastic locking lugs extending substantially axially to. from two respective opposite transverse walls. In such a case, each contact, after its installation in the cell provided for this purpose, is blocked inside this cell thanks to the elastic latches which oppose its removal. On the other hand, stops are formed at the front of each cell in order to limit the insertion of the contact. In the state of the art, these stops are constituted by blocks made of material with the housing, and formed at the four corners of the front end section of the cell, by defining a narrowing of the latter. Generally, the housings or housing parts of the above type are produced by molding in one piece, and the internal shapes of the cells are obtained by pins arranged in the molds and generally movable along their axis inside the mold. during the molding operation. With this molding technique, which makes it impossible to obtain undercut shapes with respect to the cell axis, the maximum width of the latch is limited by the distance transversely separating two stop blocks. Thus, the use of current molding techniques, to produce connector housings of known structure, severely limits the dimensions of the locking catches, and therefore the maximum effort. retention in the socket produced by the latches on the corresponding contact. Other more complex molding techniques, using mobile drawers, make it possible to obtain undercut shapes. However, these techniques are not only difficult to apply to the manufacture of connector housings of this type, because of the small wall thicknesses of the cells, but are also very disadvantageous from the point of view of tooling costs. The object of the invention is to design a connector housing of the type described above, the structure of which makes it possible to increase the retention force exerted by the latches, and which can be obtained by the simplest usual molding techniques. To this end, in an electrical connector box according to the invention, each cell comprises, on the side of its front end, at least one bar forming a stop for limiting the insertion of the contact into the cell, which is formed so that its axial projection is located between the latches and does not interfere with them. According to other optional features of the invention: said strip connects the two opposite side walls adjacent to the transverse walls; - Each cell of the assembly is provided with two such bars forming stops, which extend in parallel; - On at least one axial section, at least one of the two latches has a width substantially equal to the width of one cell; - at least one of the two catches is connected to the respective transverse wall by its rear end, has a hook which projects towards the axis of the cell, on the side of the front end which is free, and has a maximum width of the side of its rear end; each cell of the assembly is symmetrical with respect to an axial plane extending between the two latches; and the housing is molded in one piece from plastic. The invention further relates to an electrical connector comprising a housing as described above, and contacts engaged in respective cells of said housing. A particular embodiment of the invention will now be described in more detail, with reference to the accompanying drawings, in which: - Figure 1 is a partial perspective view of an electrical connector housing according to the invention, cut along the median axial plane of a row of cells; - Figure 2 is a detailed perspective view, in another direction and on a larger scale, of the housing shown in Figure 1, showing more precisely the structure of a cell; Figure 3 is a view similar to Figure 2 showing a contact engaged and locked inside the cell; - Figure 4 is a sectional view, in its median plane, of the cell shown in Figure 3, and of a contact housed in this cell; and - Figure 5 is a partial view, in the direction V, of the front face of the housing, showing the contactless cell of Figure 2. In the Figures, there is partially shown an electrical connector housing 1, of the type designed to receive and secure a plurality of contacts 2 (Figures 3 and 4), here female contacts. The choice has been made to describe the invention for a housing intended to receive female contacts, but the invention naturally applies in the same way to a housing intended for male contacts. This housing 1 is formed by molding in an insulating material, preferably in a plastic material. Such a housing can, indifferently for the present invention, constitute a module intended to be housed in a main connector housing, or itself constitute a main connector housing, provided with locking means allowing it to be coupled with a connector counterpart. In the embodiment shown, the housing 1 is in the general form of a parallelepiped having external peripheral walls 3, a front face 5 intended to be turned in the direction of coupling with the connector counterpart, and a face rear 7 for introducing the contacts into the housing. In the example shown, the housing has, on the side of its rear face 7, a skirt 8 formed by an extension of the peripheral outer walls 3. In this skirt 8, can for example be housed a grommet seal (or "grommet""), Or a sealant. For the sake of clarity of the description which follows, the Figures will be oriented according to the system of axes X, Y, Z, in which: the axis Z corresponds to the axis of insertion of the contacts in the housing 1, as well as to the coupling axis of the connector parts. The axis Z is oriented from rear to front, that is to say according to the direction of engagement of a contact in the housing and of the housing 1 with the connector counterpart; and - the X axis and the Y axis are the axes “orthogonal” to the Z axis which each define with the latter a respective plane of the outer walls 3. In all that follows, the term “axial” will be understood of a direction parallel to the Z axis, while the directions of the X axis and the Y axis will be said to be "transverse" and "lateral" respectively. The housing 1 has a series of cells 9 arranged in several rows which extend laterally. In the present description, a cell will be defined as an assembly consisting of a housing intended to receive a contact, and associated means, specific to the housing 1, for blocking the contact in this housing. Each cell 9 is partly formed as an "axial" conduit opening on the one hand on the front face 5, and on the other hand on the rear face 7. A cell 9 is delimited, laterally, by two parallel lateral walls 11 which extend over most of its length, and, transversely, by two opposite parallel transverse walls 13 which extend over an intermediate axial section. Each cell 9 is provided with two elastic lugs 15 which each extend axially from a respective transverse wall 13. Each latch 15, on the side of its free end 17 turned towards the front, has a hook 19 turned towards the inside the cell. The latches 15 are provided for locking a contact inside its housing, by elastic engagement, the hook 19 engaging in a corresponding window 21 of the contact 2. At the front face 5, the housing 1 is molded , for each cell 9, with two bars 25 parallel to the axis X connecting the two opposite side walls 11 of

1' alvéole . Dans cette forme de réalisation, les barrettes 25 reliant les parois latérales 11 consécutives, procurent à la face avant du boîtier une rigidité accrue avec un faible apport de matière. Dans une forme alternative de réalisation, l'une au moins des barrettes pourrait être interrompue, ou constituée par deux plots en vis-à-vis, solidaires chacun d'une paroi 11 respective et en saillie vers l'axe d'alvéole. Ainsi, 1' introduction dans l'alvéole et la mise en pression sur le contact d'une pointe de test seraient facilitées. Les deux barrettes 25 d'une même alvéole sont espacées latéralement d'une distance permettant l'introduction d'une languette ou d'une broche de contact, complémentaire du contact femelle 2. Dans le cas d'un boîtier contenant des contacts mâles, les barrettes sont espacées d'une distance permettant le passage d'une partie d'extrémité libre, languette ou broche, du contact. Comme cela peut être vu sur les Figures 3 et 4, sur lesquelles on a représenté un contact 2 logé et verrouillé dans une alvéole 9, les barrettes 25 sont prévues pour former des butées d'arrêt limitant l'insertion du contact 2 dans l'alvéole 9. A cet effet, les barrettes 25 sont séparées axialement des crochets 19 d'une distance correspondant sensiblement à la distance séparant l'extrémité avant du contact 2 de la fenêtre 21. On comprend, au vu des Figures 3 et 4 , que les linguets 15 permettent de verrouiller un contact 2 dans l'alvéole 9 dans sa position de fonctionnement, en s 'opposant au retrait du contact vers l'arrière du boîtier, et que les barrettes 25 s'opposent à l'extraction par l'avant du contact, à partir de sa position verrouillée dans l'alvéole. Cette fonction est assurée par la venue en butée de l'extrémité avant du contact sur les barrettes 25. D'après ce qui précède, l'alvéole 9 est donc pourvue de moyens de verrouillage du contact par enclenchement élastique, constitués par les linguets 15, et de moyens d'arrêt limitant l'insertion du contact, constitués par les deux barrettes parallèles 25. Sur les Figures 1 à 5, il est également visible que chaque alvéole 9, incluant les linguets 15 et les barrettes 25, est symétrique par rapport à son plan médian transversal XZ, et par rapport à son plan médian latéral YZ . On verra plus particulièrement sur la Figure 5 que chaque barrette est formée sur une section, suivant l'axe Y, adjacente mais non chevauchante par rapport à la section sur laquelle est formé le linguet 15 situé du même côté du plan transversal de symétrie. En d'autres termes, la projection suivant l'axe Z sur le plan XY des deux barrettes 25, est située entre les projections des deux linguets 15 sur le même plan, sans chevauchement ou interférence des projections des barrettes d'une part avec les projections des linguets d'autre part. Ainsi, lors de la fabrication par moulage du boîtier, les linguets 15 et les barrettes 25 peuvent être formés au moyen de broches à mouvement axial Z, sans nécessiter l'utilisation de tiroirs à mouvement latéral ou transversal. D'autre part, le moulage de telles barrettes 25 n'impliquent pas de contraintes supplémentaires sur la largeur (suivant l'axe X) des linguets 15. Ces derniers peuvent donc être formés avec une largeur quasiment égale à la largeur de l'alvéole 9, définie comme la distance séparant les deux parois latérales 11. Par exemple, la largeur du linguet 15 peut être avantageusement supérieure à1 cell. In this embodiment, the bars 25 connecting the side walls 11 consecutively, provide the front face of the housing with increased rigidity with a low material input. In an alternative embodiment, at least one of the bars could be interrupted, or constituted by two studs facing each other, each secured to a respective wall 11 and projecting towards the cell axis. So, 1 introduction into the cell and the pressure on the contact of a test tip would be facilitated. The two bars 25 of the same socket are spaced laterally by a distance allowing the introduction of a contact tongue or pin, complementary to the female contact 2. In the case of a housing containing male contacts, the bars are spaced apart by a distance allowing the passage of a free end part, tongue or pin, of the contact. As can be seen in FIGS. 3 and 4, in which a contact 2 housed and locked in a socket 9 has been shown, the bars 25 are provided to form stop stops limiting the insertion of the contact 2 into the cell 9. For this purpose, the bars 25 are separated axially from the hooks 19 by a distance corresponding substantially to the distance separating the front end of the contact 2 from the window 21. It is understood, in the light of FIGS. 3 and 4, that the latches 15 make it possible to lock a contact 2 in the socket 9 in its operating position, by opposing the withdrawal of the contact towards the rear of the housing, and that the bars 25 oppose the extraction by the before contact, from its locked position in the socket. This function is ensured by the abutment of the front end of the contact on the bars 25. According to the above, the cell 9 is therefore provided with contact locking means by elastic engagement, constituted by the latches 15 , and stop means limiting the insertion of the contact, constituted by the two parallel bars 25. In FIGS. 1 to 5, it is also visible that each cell 9, including the latches 15 and the bars 25, is symmetrical by with respect to its transverse median plane XZ, and with respect to its lateral median plane YZ. We will see more particularly in Figure 5 that each bar is formed on a section, along the axis Y, adjacent but not overlapping with respect to the section on which is formed the latch 15 located on the same side of the transverse plane of symmetry. In other words, the projection along the Z axis on the XY plane of the two bars 25, is located between the projections of the two latches 15 on the same plane, without overlapping or interference of the projections of the bars on the one hand with the projections of the latches on the other hand. Thus, during the manufacture by molding of the housing, the latches 15 and the bars 25 can be formed by means of pins with axial movement Z, without requiring the use of drawers with lateral or transverse movement. On the other hand, the molding of such bars 25 does not imply additional constraints on the width (along the X axis) of the latches 15. The latter can therefore be formed with a width almost equal to the width of the cell 9, defined as the distance separating the two side walls 11. For example, the width of the latch 15 may advantageously be greater than

0,8 fois la largeur de l'alvéole. Cette caractéristique est plus particulièrement visible sur la Figure 2, pour l'alvéole voisine de celle contenant le plan de coupe. On notera que, pour l'alvéole contenant le plan de coupe, chaque linguet est représenté avec une largeur égale à la moitié de la largeur du linguet complet, tel qu'il apparaît dans l'alvéole voisine. Cela n'a pas été représenté, mais il peut être prévu que le linguet 15 présente une largeur maximale du côté de son extrémité arrière, par laquelle il est relié à la paroi respective 13, sa largeur pouvant être progressivement décroissante depuis l'extrémité arrière jusqu'à l'extrémité libre avant 17. L' augmentation de la largeur d'un linguet par rapport à la largeur des linguets tels qu'ils sont conçus dans l'état de la technique, et notamment l'augmentation de la largeur du côté de la partie de liaison avec la paroi 13, rendue possible par la présence des barrettes 25, permet d'accroître l'effort de rétention dans l'alvéole exercé par le linguet sur le contact 2. Cette amélioration des performances de verrouillage du contact à l'intérieur du boîtier 1 est réalisée sans générer de complexité supplémentaire pour le moulage du boîtier. 0.8 times the width of the cell. This characteristic is more particularly visible in FIG. 2, for the cell close to that containing the cutting plane. It will be noted that, for the cell containing the cutting plane, each latch is represented with a width equal to half the width of the complete latch, as it appears in the neighboring cell. This has not been shown, but it can be expected that the latch 15 has a maximum width on the side of its rear end, by which it is connected to the respective wall 13, its width may be progressively decreasing from the rear end to the free end before 17. The increase in the width of a pawl relative to the width of the pawls as they are designed in the state of the art, and in particular the increase in the width of the side of the part of connection with the wall 13 , made possible by the presence of the bars 25, makes it possible to increase the retention force in the cell exerted by the latch on the contact 2. This improvement in contact locking performance inside the housing 1 is achieved without generate additional complexity for molding the case.

Claims

REVENDICATIONS 1. Boîtier de connecteur électrique, qui comprend un ensemble d'alvéoles (9) prévues pour recevoir chacune un contact (2) par engagement selon un axe (Z) orienté, chaque alvéole (9) de l'ensemble étant délimitée essentiellement par au moins deux parois latérales axiales (11) opposées, et comprenant deux linguets élastiques (15) de verrouillage s 'étendant de façon essentiellement axiale à partir de deux parois transversales opposées (13) respectives, caractérisé en ce que chaque alvéole (9) comprend, du côté de son extrémité avant (17) , au moins une barrette (25) formant butée de limitation d'insertion du contact dans l'alvéole, qui est formée de façon que sa projection axiale soit située entre les linguets (15) et n'interfère pas avec ces derniers . 2. Boîtier de connecteur électrique suivant la revendication 1, caractérisé en ce que ladite barrette (25) relie les deux parois latérales opposées (11) adjacentes aux parois transversales (13) . 3. Boîtier de connecteur électrique suivant la revendication 1 ou 2, caractérisé en ce que chaque alvéole (9) de l'ensemble est pourvue de deux telles barrettes (25) formant butées, qui s'étendent parallèlement. 4. Boîtier de connecteur électrique suivant l'une quelconque des revendications 1 à 3 , caractérisé en ce que sur au moins un tronçon axial , 1 ' un au moins des deux linguets (15) a une largeur sensiblement égale à la largeur de l'alvéole (9) . 5. Boîtier de connecteur électrique suivant l'une quelconque des revendications 1 à 4, caractérisé en ce que l'un au moins des deux linguets (15) est relié à la paroi transversale (13) respective par son extrémité arrière, comporte un crochet (19) qui fait saillie vers l'axe (Z) de l'alvéole (9), du côté de l'extrémité avant (17) qui est libre, et présente une largeur maximale du côté de son extrémité arrière . 6. Boîtier de connecteur électrique suivant l'une quelconque des revendications 1 à 5, caractérisé en ce que chaque alvéole (9) de l'ensemble est symétrique par rapport à un plan axial (XZ) s 'étendant entre les deux linguets (15) . 7. Boîtier de connecteur électrique suivant l'une quelconque des revendications 1 à 6, caractérisé en ce qu'il est moulé d'une pièce en matière plastique. 8. Connecteur électrique comprenant un boîtier selon l'une quelconque des revendications 1 à 7, et des contacts engagés dans des alvéoles respectives dudit boîtier. CLAIMS 1. Electrical connector box, which comprises a set of cells (9) designed to each receive a contact (2) by engagement along an oriented axis (Z), each cell (9) of the assembly being delimited essentially by at least two opposite axial side walls (11), and comprising two elastic locking lugs (15) extending essentially axially from two respective opposite transverse walls (13), characterized in that each cell (9) comprises , on the side of its front end (17), at least one bar (25) forming a stop for limiting the insertion of the contact into the socket, which is formed so that its axial projection is located between the latches (15) and does not interfere with them. 2. Electrical connector box according to claim 1, characterized in that said strip (25) connects the two opposite side walls (11) adjacent to the transverse walls (13). 3. Electrical connector housing according to claim 1 or 2, characterized in that each cell (9) of the assembly is provided with two such bars (25) forming stops, which extend in parallel. 4. Electrical connector housing according to any one of claims 1 to 3, characterized in that on at least one axial section, 1 at least one of the two catches (15) has a width substantially equal to the width of the cell (9). 5. electrical connector housing according to any one of claims 1 to 4, characterized in that at least one of the two lugs (15) is connected to the respective transverse wall (13) by its rear end, has a hook (19) which projects towards the axis (Z) of the cell (9), on the side of the front end (17) which is free, and has a maximum width on the side of its rear end. 6. electrical connector housing according to any one of claims 1 to 5, characterized in that each cell (9) of the assembly is symmetrical with respect to an axial plane (XZ) extending between the two lugs (15 ). 7. Electrical connector housing according to any one of claims 1 to 6, characterized in that it is molded in one piece from plastic. 8. An electrical connector comprising a housing according to any one of claims 1 to 7, and contacts engaged in respective cells of said housing.
EP05715749A 2004-03-04 2005-03-04 Electric connector housing with improved contact stops and electric connector comprising said housing Expired - Lifetime EP1721366B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0402287A FR2867313A1 (en) 2004-03-04 2004-03-04 Electrical connector housing, has set of sockets, each including strip that forms stop, where each strip connects two opposite lateral walls of socket adjacent to transversal walls
PCT/EP2005/002322 WO2005096451A1 (en) 2004-03-04 2005-03-04 Electric connector housing with improved contact stops and electric connector comprising said housing

Publications (2)

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EP1721366A1 true EP1721366A1 (en) 2006-11-15
EP1721366B1 EP1721366B1 (en) 2008-02-20

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EP05715749A Expired - Lifetime EP1721366B1 (en) 2004-03-04 2005-03-04 Electric connector housing with improved contact stops and electric connector comprising said housing

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US (1) US7381091B2 (en)
EP (1) EP1721366B1 (en)
JP (1) JP2007526606A (en)
KR (1) KR101121305B1 (en)
CN (1) CN100481631C (en)
AT (1) ATE387019T1 (en)
DE (1) DE602005004896T2 (en)
ES (1) ES2300000T3 (en)
FR (1) FR2867313A1 (en)
WO (1) WO2005096451A1 (en)

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FR2867313A1 (en) * 2004-03-04 2005-09-09 Framatome Connectors Int Electrical connector housing, has set of sockets, each including strip that forms stop, where each strip connects two opposite lateral walls of socket adjacent to transversal walls
US7914327B2 (en) * 2008-01-23 2011-03-29 Fci Americas Technology, Inc. Electrical connector
KR101002858B1 (en) * 2009-03-24 2010-12-21 케이유엠 주식회사 Female connector assembly
CN102723628B (en) * 2011-03-30 2015-03-25 凡甲电子(苏州)有限公司 Power supply terminal and power supply connector
US9362665B2 (en) * 2011-09-29 2016-06-07 Autonetworks Technologies, Ltd. Joint connector with pairs of locking lances and communication space extending between the pairs of locking lances
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Also Published As

Publication number Publication date
EP1721366B1 (en) 2008-02-20
DE602005004896T2 (en) 2009-02-26
US20070066135A1 (en) 2007-03-22
ATE387019T1 (en) 2008-03-15
DE602005004896D1 (en) 2008-04-03
JP2007526606A (en) 2007-09-13
CN100481631C (en) 2009-04-22
ES2300000T3 (en) 2008-06-01
KR20060115925A (en) 2006-11-10
US7381091B2 (en) 2008-06-03
CN1947311A (en) 2007-04-11
FR2867313A1 (en) 2005-09-09
KR101121305B1 (en) 2012-03-23
WO2005096451A1 (en) 2005-10-13

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