EP0625809B1 - Electrical connector with insertion and extraction drawer - Google Patents

Electrical connector with insertion and extraction drawer Download PDF

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Publication number
EP0625809B1
EP0625809B1 EP94401118A EP94401118A EP0625809B1 EP 0625809 B1 EP0625809 B1 EP 0625809B1 EP 94401118 A EP94401118 A EP 94401118A EP 94401118 A EP94401118 A EP 94401118A EP 0625809 B1 EP0625809 B1 EP 0625809B1
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EP
European Patent Office
Prior art keywords
slide
plug
receptacle
grooves
studs
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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EP94401118A
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German (de)
French (fr)
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EP0625809A1 (en
Inventor
Rachid Ainceri
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FCI SA
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Framatome Connectors International SAS
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Publication of EP0625809A1 publication Critical patent/EP0625809A1/en
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    • 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
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
    • H01R13/62905—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances comprising a camming member

Definitions

  • a disadvantage of many previous connectors of this kind is the risk of pulling the drawer too much when one wants to uncoupled the connector. The drawer can then escape from the base and be lost or difficult to find.
  • Document US-A-4 586 771 discloses an assisted insertion and extraction connector consisting of a receptacle comprising male contacts, a plug comprising female contacts and a stirrup-shaped drawer.
  • the arms of the latter are equipped with cylindrical internal projections having a T-shaped cross section in the direction perpendicular to the direction of movement of the drawer. These projections cooperate with lights arranged in the base having a width less than the diameter of the head of the T, except at one of their ends, which is widened so as to allow this insertion of the projection into the light by separation of the arms of the drawer.
  • the invention aims in particular to provide an electrical connector of the type defined above in which the drawer is practically captive.
  • the invention provides a connector characterized in that the drawer has elastic retaining tabs projecting outward at rest and in that notches elongated in the direction of movement of the drawer are formed in the sides of the base to receive the tabs and have a length such that they allow full insertion of the drawer and prohibit its complete removal, the elastic retaining lugs having a shape such that the force to be exerted to tear the drawer from the base is very greater than the force required to insert it.
  • the drawer is provided with elastic locking lugs intended to be inserted in notches provided in the sides when the drawer is in its fully inserted position.
  • the tabs thus ensure an elastic locking preventing possible displacement of the drawer in the event of vibration.
  • the notches can cross the sides, so that the ends of the legs appear in the notches when the drawer is fully pushed in, thus allowing visual inspection.
  • the invention also aims to provide a reversible connector, in the sense that it is possible to insert the drawer on one side or the other of the base.
  • the fingers comprise at least one pair of fingers placed in the median plane of the plug
  • the grooves of the drawer comprise at least one pair of grooves intended to receive these fingers
  • the notches of the base are symmetrical with respect to the median plane of the base. If elastic locking tabs are provided, two pairs of notches intended to receive them are arranged symmetrically with respect to the median plane of the base.
  • the latter carries two pairs of said fingers, one of the pairs being located in the middle of the plug and the other near one end and the drawer has two pairs of grooves of corresponding shape.
  • the grooves which constitute insertion and extraction ramps, advantageously have an end portion substantially parallel to the direction of movement of the slide, therefore perpendicular to the direction of insertion.
  • the vibrations directed in the direction of insertion and extraction of the plug do not cause forces tending to move the drawer.
  • the connector shown in Figures 1 to 3 has two housings, which will be considered as constituting a base 10 and a plug 12.
  • the terms "plug” and “base” are used for convenience and in no way imply that the base constitutes the fixed element.
  • the connector has plus a drawer 14 in the shape of a U or stirrup insertable in the base 10.
  • the three constituent elements 10, 12 and 14 are generally made of plastic reinforced with fillers and are produced by molding.
  • the plug 12 and the base 10 are intended to receive electrical contacts, not shown in FIG. 1.
  • the contacts of the base 10 are for example permanently fixed to the base, for example by overmolding of the constituent material of the base on the contacts.
  • the card shown includes a compartment 16 for receiving a wafer containing contacts. Hanging fingers may be provided to hold the cake once it has been inserted.
  • the base 10 is of elongated rectangular section and has, in its direction of elongation, two parallel passages 18 allowing the drawer 14 to move in the direction indicated by the arrow F (FIG. 1) and in the opposite direction, while being retained in the direction of insertion and extraction of the plug, orthogonal to F.
  • These corridors are delimited by the internal part of the base 10 and by two parallel sides 20. They guide the drawer in its movements.
  • Sheet 12 also has a rectangular section. Its external face is mostly smooth and has dimensions allowing it to engage in the base.
  • the drawer 14 and the plug 12 comprise means cooperating to cause the insertion of the plug in response to the movement of the drawer 14 in the direction of the arrow F and to cause the extraction of the plug during the movement in the opposite direction.
  • the means carried by the plug are constituted, in the illustrated case, by two pairs of fingers 28a and 28b, projecting externally on either side of the plug.
  • the presence of two pairs of fingers ensures better guiding of the plug during its insertion and extraction.
  • a pair of fingers 28a can be placed in the median plane of the plug while the fingers 28b are close to one end of the plug.
  • the fingers 28a and 28b are intended to engage in grooves 30a and 30b cut out in the drawer 14 and emerging along the edge of the drawer placed on the side of the plug. These grooves have an inlet section parallel to the direction of insertion of the plug, facilitating the engagement of the fingers 28a and 28b. They then have an oblique section over most of their length. In their closed end part, the grooves are parallel to the direction of movement F, so that a pull on the plug does not tend to drive the drawer 14.
  • Means are provided for energetically retaining the drawer as soon as it has been inserted into the base from a determined position, which is advantageously that for which the fingers 28a and 28b are located opposite the outlet of the grooves 30a and 30b.
  • these means consist of elastic retaining tabs 32, formed by cut portions of the side wall of the drawer, projecting outward when these tabs are free.
  • the tabs are intended to be retained in the notches 34 provided in the base 10.
  • the orientation of the elastic tabs is such that the drawer can easily be inserted, the tabs then retract elastically, but the extraction is difficult or practically impossible, due to the abutment of the free end of the tongues against the end face of the corresponding notch.
  • the connector shown in Figures 1 to 3 also includes elastic locking tabs 36 intended to resiliently hold the drawer in place when it has been completely inserted.
  • these legs have a shape of a harpoon oriented longitudinally (parallel to F) and consist of a cut-out portion of the drawer.
  • terminal slats of the lugs 36 engage in notches 38a or 38b of the base, depending on the direction of insertion of the drawer 14.
  • the notches 38a and 38b can be open, so as to allow visual control of full engagement.
  • the embodiment of the connector is apparent directly from the above description.
  • the drawer 14 is firstly inserted into the base 10 until its tongues 32 are retained in the notches 34 and it is moved back until the tongues are in abutment.
  • the dimension of the notches is advantageously such that in this abutment position the outlets of the grooves are opposite the path of introduction of the fingers.
  • the plug 12 can then be placed on the base 10, from which the finger input passages can be cut.
  • these passages include median passages 40 intended to receive the fingers 28a and the notches 38a or 38b (depending on the insertion side of the drawer). In this position of the plug, its contacts, such as the contact 42 shown in FIG. 2, are not yet in electrical connection with the contacts of the base.
  • FIG 4 shows an alternative embodiment in which the tab receiving slots are formed by separate holes of the inlet passages.
  • Figure 5 shows an alternative embodiment of the locking tabs, usable in particular in the embodiment of Figure 4.
  • These tabs are constituted by triangular portions 44 cut in the drawer, having a projecting spout 46 intended to engage in the notches 48 distinct from the input passages of the fingers.

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)

Abstract

The connector comprises a socket in which two side walls (20) delimit two parallel channels, and a plug having projecting fingers orthogonal to an insertion direction. The connector also includes a U-shaped slide drawer for the forced insertion and extraction of the plug. The slide also includes springy retaining tabs (32) which project outwards when not in use and recesses (34), which are elongate in the direction of movement of the slide, are made in the side walls of the socket in order to receive the tabs and have a length such that they allow complete insertion of the slide and prevent it from being completely removed, the springy retaining tabs (32) having a shape such that the force to be exerted in order to pull the slide out of the socket is very much greater than the force necessary to insert it. <IMAGE>

Description

La présente invention a pour objet un connecteur électrique rectangulaire du type comprenant :

  • une embase destinée à contenir des premiers contacts électriques, dans laquelle deux flancs délimitent deux couloirs parallèles s'étendant dans le sens d'allongement de l'embase,
  • une fiche destinée à contenir des seconds contacts, coopérant avec les premiers contacts, déplaçable dans une direction d'insertion et d'extraction, ladite fiche ayant des doigts en saillie orthogonaux à la direction d'insertion, et
  • un tiroir, en forme d'étrier, d'insertion et d'extraction forcées de la fiche, pouvant coulisser le long des couloirs orthogonalement à la direction d'insertion, dans lequel sont découpées des rainures débouchantes de réception des doigts, ayant une forme telle que le déplacement du tiroir dans l'embase dans un premier sens provoque le déplacement des doigts dans les rainures depuis l'entrée de ces dernières et que le déplacement en sens inverse chasse les doigts hors des rainures.
The subject of the present invention is a rectangular electrical connector of the type comprising:
  • a base intended to contain the first electrical contacts, in which two sides delimit two parallel corridors extending in the direction of elongation of the base,
  • a plug intended to contain second contacts, cooperating with the first contacts, movable in a direction of insertion and extraction, said plug having fingers projecting orthogonal to the direction of insertion, and
  • a drawer, in the shape of a stirrup, for forced insertion and extraction of the plug, which can slide along the corridors orthogonally to the direction of insertion, in which are cut through grooves for receiving the fingers, having a shape such that the movement of the drawer in the base in a first direction causes the movement of the fingers in the grooves from the entry of the latter and that the movement in the opposite direction drives the fingers out of the grooves.

On connaît déjà de nombreux connecteurs du type ci-dessus, souvent dénommés connecteurs à insertion et extraction assistées.Many connectors of the above type are already known, often called assisted insertion and extraction connectors.

Ils sont notamment utilisés dans des endroits peu accessibles. Ils permettent d'accoupler le connecteur en posant la fiche sur l'embase alors que le tiroir est rétracté, puis en poussant le tiroir.They are used in particular in places that are difficult to access. They allow the connector to be coupled by placing the plug on the base while the drawer is retracted, then pushing the drawer.

Un inconvénient de beaucoup de connecteurs antérieurs de ce genre est le risque de trop tirer le tiroir lorsqu'on veut désaccoupler le connecteur. Le tiroir peut alors s'échapper de l'embase et être perdu ou difficile à retrouver.A disadvantage of many previous connectors of this kind is the risk of pulling the drawer too much when one wants to uncoupled the connector. The drawer can then escape from the base and be lost or difficult to find.

Du document US-A-4 586 771 est connu un connecteur à insertion et extraction assistées constitué d'une embase comportant des contacts mâles, d'une fiche comportant des contacts femelles et d'un tiroir en forme d'étrier. Les bras de ce dernier sont équipés de projections intérieures cylindriques ayant une section transversale en forme de T dans le sens perpendiculaire au sens de déplacement du tiroir. Ces projections coopèrent avec des lumières aménagées dans l'embase ayant une largeur inférieure au diamètre de la tête du T, sauf à une de leur extrémité, qui est élargie de sorte à permettre à cet endroit l'insertion de la projection dans la lumière par écartement des bras du tiroir.Document US-A-4 586 771 discloses an assisted insertion and extraction connector consisting of a receptacle comprising male contacts, a plug comprising female contacts and a stirrup-shaped drawer. The arms of the latter are equipped with cylindrical internal projections having a T-shaped cross section in the direction perpendicular to the direction of movement of the drawer. These projections cooperate with lights arranged in the base having a width less than the diameter of the head of the T, except at one of their ends, which is widened so as to allow this insertion of the projection into the light by separation of the arms of the drawer.

L'invention vise notamment à fournir un connecteur électrique du type ci-dessus défini dans lequel le tiroir est pratiquement imperdable.The invention aims in particular to provide an electrical connector of the type defined above in which the drawer is practically captive.

Dans ce but l'invention propose un connecteur caractérisé en ce que le tiroir comporte des languettes élastiques de retenue faisant saillie vers l'extérieur au repos et en ce que des échancrures allongées dans le sens du déplacement du tiroir sont ménagées dans les flancs de l'embase pour recevoir les languettes et ont une longueur telle qu'elles autorisent la pleine insertion du tiroir et interdisent son retrait complet, les lenguettes élastiques de retenue ayant une forme telle que la force à exercer pour arracher le tiroir de l'embase soit très supérieure à la force nécessaire pour l'insérer.To this end the invention provides a connector characterized in that the drawer has elastic retaining tabs projecting outward at rest and in that notches elongated in the direction of movement of the drawer are formed in the sides of the base to receive the tabs and have a length such that they allow full insertion of the drawer and prohibit its complete removal, the elastic retaining lugs having a shape such that the force to be exerted to tear the drawer from the base is very greater than the force required to insert it.

Dans un mode avantageux de réalisation de l'invention, le tiroir est muni de pattes de verrouillage élastique destinées à s'insérer dans des encoches prévues dans les flancs lorsque le tiroir est dans sa position de pleine insertion. Les pattes assurent ainsi un verrouillage élastique évitant un déplacement possible du tiroir en cas de vibration. De plus les encoches peuvent traverser les flancs, de façon que l'extrémité des pattes apparaisse dans les encoches lorsque le tiroir est pleinement enfoncé, autorisant ainsi un contrôle visuel.In an advantageous embodiment of the invention, the drawer is provided with elastic locking lugs intended to be inserted in notches provided in the sides when the drawer is in its fully inserted position. The tabs thus ensure an elastic locking preventing possible displacement of the drawer in the event of vibration. In addition, the notches can cross the sides, so that the ends of the legs appear in the notches when the drawer is fully pushed in, thus allowing visual inspection.

L'invention vise également à fournir un connecteur réversible, en ce sens qu'il est possible d'insérer le tiroir d'un côté ou de l'autre de l'embase. Pour atteindre ce résultat, suivant un autre aspect de l'invention utilisable indépendamment du précédent mais avantageusement avec lui, les doigts comprennent au moins une paire de doigts placés dans le plan médian de la fiche, les rainures du tiroir comprennent au moins une paire de rainures destinées à recevoir ces doigts et les échancrures de l'embase sont symétriques par rapport au plan médian de l'embase. Si des pattes de verrouillage élastique sont prévues, deux paires d'encoches destinées à les recevoir sont disposées symétriquement par rapport au plan médian de l'embase.The invention also aims to provide a reversible connector, in the sense that it is possible to insert the drawer on one side or the other of the base. To achieve this result, according to another aspect of the invention which can be used independently of the preceding one but advantageously with it, the fingers comprise at least one pair of fingers placed in the median plane of the plug, the grooves of the drawer comprise at least one pair of grooves intended to receive these fingers and the notches of the base are symmetrical with respect to the median plane of the base. If elastic locking tabs are provided, two pairs of notches intended to receive them are arranged symmetrically with respect to the median plane of the base.

Dans un mode avantageux de réalisation, permettant une insertion et une extraction plus régulière de la fiche, cette dernière porte deux paires des dits doigts, une des paires étant située au milieu de la fiche et l'autre à proximité d'une extrémité et le tiroir comporte deux paires de rainures de forme correspondante.In an advantageous embodiment, allowing a more regular insertion and extraction of the plug, the latter carries two pairs of said fingers, one of the pairs being located in the middle of the plug and the other near one end and the drawer has two pairs of grooves of corresponding shape.

Les rainures, qui constituent des rampes d'insertion et d'extraction, présentent avantageusement une partie terminale sensiblement parallèle à la direction de déplacement du tiroir, donc perpendiculaire à la direction d'insertion. Ainsi les vibrations dirigées dans le sens d'insertion et d'extraction de la fiche ne provoquent pas des forces tendant à déplacer le tiroir.The grooves, which constitute insertion and extraction ramps, advantageously have an end portion substantially parallel to the direction of movement of the slide, therefore perpendicular to the direction of insertion. Thus the vibrations directed in the direction of insertion and extraction of the plug do not cause forces tending to move the drawer.

L'invention sera mieux comprise à la lecture de la description qui suit d'un mode particulier de réalisation, donné à titre d'exemple non-limitatif, et de variantes. La description se réfère aux dessins qui l'accompagnent, dans lesquels :

  • la figure 1 est une vue en perspective éclatée d'un connecteur ;
  • la figure 2, similaire à la figure 1, montre le connecteur alors que le tiroir occupe la position pour laquelle les doigts sont à l'entrée des rainures ;
  • la figure 3, similaire à la figure 2, montre le tiroir complètement enfoncé ;
  • la figure 4 est une vue en coupe transversale, dans un plan médian, d'un connecteur constituant une variante de celui des figures 1 à 3 ;
  • la figure 5 est une vue de détail montrant une variante de réalisation des pattes de verrouillage élastique.
The invention will be better understood on reading the following description of a particular embodiment, given by way of non-limiting example, and variants. The description refers to the accompanying drawings, in which:
  • Figure 1 is an exploded perspective view of a connector;
  • Figure 2, similar to Figure 1, shows the connector while the drawer occupies the position for which the fingers are at the entrance of the grooves;
  • Figure 3, similar to Figure 2, shows the drawer fully depressed;
  • Figure 4 is a cross-sectional view, in a median plane, of a connector constituting a variant of that of Figures 1 to 3;
  • Figure 5 is a detail view showing an alternative embodiment of the elastic locking tabs.

Le connecteur montré sur les figures 1 à 3 comporte deux boîtiers, que l'on considérera comme constituant une embase 10 et une fiche 12. Les termes "fiche" et "embase" sont utilisés par commodité et n'impliquent nullement que l'embase constitue l'élément fixe. Le connecteur comporte de plus un tiroir 14 en forme de U ou d'étrier insérable dans l'embase 10.The connector shown in Figures 1 to 3 has two housings, which will be considered as constituting a base 10 and a plug 12. The terms "plug" and "base" are used for convenience and in no way imply that the base constitutes the fixed element. The connector has plus a drawer 14 in the shape of a U or stirrup insertable in the base 10.

Les trois éléments constitutifs 10, 12 et 14 sont généralement constitués en matière plastique renforcée par des charges et sont fabriqués par moulage. La fiche 12 et l'embase 10 sont destinées à recevoir des contacts électriques, non-représentés sur la figure 1. Les contacts de l'embase 10 sont par exemple fixés de façon définitive à l'embase, par exemple par surmoulage du matériau constitutif de l'embase sur les contacts. La fiche représentée comporte un compartiment 16 de réception d'une galette contenant des contacts. Des doigts d'accrochage peuvent être prévus pour maintenir la galette une fois qu'elle a été insérée.The three constituent elements 10, 12 and 14 are generally made of plastic reinforced with fillers and are produced by molding. The plug 12 and the base 10 are intended to receive electrical contacts, not shown in FIG. 1. The contacts of the base 10 are for example permanently fixed to the base, for example by overmolding of the constituent material of the base on the contacts. The card shown includes a compartment 16 for receiving a wafer containing contacts. Hanging fingers may be provided to hold the cake once it has been inserted.

L'embase 10 est à section rectangulaire allongée et présente, dans son sens d'allongement, deux couloirs parallèles 18 permettant au tiroir 14 de se déplacer dans le sens indiqué par la flèche F (figure 1) et dans le sens contraire, tout en étant retenu dans la direction d'insertion et d'extraction de la fiche, orthogonale à F. Ces couloirs sont délimités par la partie interne de l'embase 10 et par deux flancs parallèles 20. Ils guident le tiroir dans ses déplacements.The base 10 is of elongated rectangular section and has, in its direction of elongation, two parallel passages 18 allowing the drawer 14 to move in the direction indicated by the arrow F (FIG. 1) and in the opposite direction, while being retained in the direction of insertion and extraction of the plug, orthogonal to F. These corridors are delimited by the internal part of the base 10 and by two parallel sides 20. They guide the drawer in its movements.

La fiche 12 présente également une section rectangulaire. Sa face externe est en majeure partie lisse et présente des dimensions lui permettant de s'engager dans l'embase.Sheet 12 also has a rectangular section. Its external face is mostly smooth and has dimensions allowing it to engage in the base.

Le tiroir 14 et la fiche 12 comportent des moyens coopérant pour provoquer l'insertion de la fiche en réponse au déplacement du tiroir 14 dans le sens de la flèche F et pour provoquer l'extraction de la fiche lors du déplacement dans le sens contraire.The drawer 14 and the plug 12 comprise means cooperating to cause the insertion of the plug in response to the movement of the drawer 14 in the direction of the arrow F and to cause the extraction of the plug during the movement in the opposite direction.

Les moyens portés par la fiche sont constitués, dans le cas illustré, par deux paires de doigts 28a et 28b, en saillie externe de part et d'autre de la fiche. La présence de deux paires de doigts assure un meilleur guidage de la fiche lors de son insertion et de son extraction. Lorsque l'on souhaite que le connecteur soit réversible, comme dans le cas illustré, une paire de doigts 28a peut être placée dans le plan médian de la fiche alors que les doigts 28b sont à proximité d'une extrémité de la fiche.The means carried by the plug are constituted, in the illustrated case, by two pairs of fingers 28a and 28b, projecting externally on either side of the plug. The presence of two pairs of fingers ensures better guiding of the plug during its insertion and extraction. When it is desired that the connector be reversible, as in the illustrated case, a pair of fingers 28a can be placed in the median plane of the plug while the fingers 28b are close to one end of the plug.

Les doigts 28a et 28b sont destinés à s'engager dans des rainures 30a et 30b découpées dans le tiroir 14 et débouchant le long de l'arête du tiroir placée du côté de la fiche. Ces rainures présentent un tronçon d'entrée parallèle à la direction d'insertion de la fiche, facilitant l'engagement des doigts 28a et 28b. Ils ont ensuite un tronçon oblique sur la majeure partie de leur longueur. Dans leur partie terminale fermée, les rainures sont parallèles au sens de déplacement F, de façon qu'une traction sur la fiche n'ait pas tendance à chasser le tiroir 14.The fingers 28a and 28b are intended to engage in grooves 30a and 30b cut out in the drawer 14 and emerging along the edge of the drawer placed on the side of the plug. These grooves have an inlet section parallel to the direction of insertion of the plug, facilitating the engagement of the fingers 28a and 28b. They then have an oblique section over most of their length. In their closed end part, the grooves are parallel to the direction of movement F, so that a pull on the plug does not tend to drive the drawer 14.

Des moyens sont prévus pour retenir de façon énergique le tiroir dès qu'il a été enfoncé dans l'embase à partir d'une position déterminée, qui est avantageusement celle pour laquelle les doigts 28a et 28b se trouvent en face du débouché des rainures 30a et 30b.Means are provided for energetically retaining the drawer as soon as it has been inserted into the base from a determined position, which is advantageously that for which the fingers 28a and 28b are located opposite the outlet of the grooves 30a and 30b.

Dans le cas illustré, ces moyens sont constitués par des languettes élastiques de retenue 32, constituées par des portions découpées de la paroi latérale du tiroir, faisant saillie vers l'extérieur lorsque ces languettes sont libres. Les languettes sont destinées à être retenues dans des échancrures 34 prévues dans l'embase 10. L'orientation des languettes élastiques est telle que le tiroir puisse aisément être inséré, les languettes s'escamotant alors élastiquement, mais que l'extraction soit difficile ou pratiquement impossible, du fait de la venue en butée de l'extrémité libre des languettes contre la face terminale de l'échancrure correspondante.In the illustrated case, these means consist of elastic retaining tabs 32, formed by cut portions of the side wall of the drawer, projecting outward when these tabs are free. The tabs are intended to be retained in the notches 34 provided in the base 10. The orientation of the elastic tabs is such that the drawer can easily be inserted, the tabs then retract elastically, but the extraction is difficult or practically impossible, due to the abutment of the free end of the tongues against the end face of the corresponding notch.

Le connecteur montré en figures 1 à 3 comporte également des pattes de verrouillage élastique 36 destinées à maintenir élastiquement le tiroir en place lorsqu'il a été complètement inséré. Dans le mode de réalisation montré, ces pattes ont une forme de harpon orienté longitudinalement (parallèlement à F) et sont constituées par une portion découpée du tiroir. Lorsque le tiroir est complètement enfoncé dans l'embase, des becs terminaux des pattes 36 s'engagent dans des encoches 38a ou 38b de l'embase, suivant le sens d'insertion du tiroir 14. Les encoches 38a et 38b peuvent être débouchantes, de façon à permettre un contrôle visuel du plein engagement. Le mode de mise en oeuvre du connecteur ressort directement de la description qui précède.The connector shown in Figures 1 to 3 also includes elastic locking tabs 36 intended to resiliently hold the drawer in place when it has been completely inserted. In the embodiment shown, these legs have a shape of a harpoon oriented longitudinally (parallel to F) and consist of a cut-out portion of the drawer. When the drawer is fully inserted into the base, terminal slats of the lugs 36 engage in notches 38a or 38b of the base, depending on the direction of insertion of the drawer 14. The notches 38a and 38b can be open, so as to allow visual control of full engagement. The embodiment of the connector is apparent directly from the above description.

Le tiroir 14 est tout d'abord inséré dans l'embase 10 jusqu'à ce que ses languettes 32 soient retenues dans les échancrures 34 et il est reculé jusqu'à ce que les languettes soient en butée. La dimension des échancrures est avantageusement telle que dans cette position de butée les débouchés des rainures sont en face du trajet d'introduction des doigts. La fiche 12 peut alors être posée sur l'embase 10, dans laquelle peuvent être découpés des passages d'entrée des doigts. Dans le cas illustré sur les figures 1 à 3, ces passages comprennent des passages médians 40 destinés à recevoir les doigts 28a et les encoches 38a ou 38b (suivant le côté d'introduction du tiroir). Dans cette position de la fiche, ses contacts, tels que le contact 42 montré en figure 2, ne sont pas encore en liaison électrique avec les contacts de l'embase. Lorsque, ensuite, on repousse le tiroir 14 jusqu'à la position où il est montré en figure 3 et où son fond peut s'appuyer sur l'embase, la fiche est complètement enfoncée dans l'embase. En fin de déplacement du tiroir, les pattes 36 viennent verrouiller élastiquement le tiroir, comme le montre la figure 3.The drawer 14 is firstly inserted into the base 10 until its tongues 32 are retained in the notches 34 and it is moved back until the tongues are in abutment. The dimension of the notches is advantageously such that in this abutment position the outlets of the grooves are opposite the path of introduction of the fingers. The plug 12 can then be placed on the base 10, from which the finger input passages can be cut. In the case illustrated in FIGS. 1 to 3, these passages include median passages 40 intended to receive the fingers 28a and the notches 38a or 38b (depending on the insertion side of the drawer). In this position of the plug, its contacts, such as the contact 42 shown in FIG. 2, are not yet in electrical connection with the contacts of the base. When, then, the drawer 14 is pushed back to the position where it is shown in FIG. 3 and where its bottom can rest on the base, the plug is completely pressed into the base. At the end of movement of the drawer, the tabs 36 resiliently lock the drawer, as shown in FIG. 3.

La figure 4, où les éléments correspondant à ceux des figures 1 à 3 sont désignés par le même numéro de référence, montre une variante de réalisation dans laquelle les encoches de réception des pattes sont constituées par des trous distincts des passages d'entrée.Figure 4, where the elements corresponding to those of Figures 1 to 3 are designated by the same reference number, shows an alternative embodiment in which the tab receiving slots are formed by separate holes of the inlet passages.

Enfin, la figure 5 montre une variante de réalisation des pattes de verrouillage, utilisable notamment dans le mode de réalisation de la figure 4. Ces pattes sont constituées par des portions triangulaires 44 découpées dans le tiroir, ayant un bec 46 en saillie destiné à s'engager dans les encoches 48 distinctes des passages d'entrée des doigts.Finally, Figure 5 shows an alternative embodiment of the locking tabs, usable in particular in the embodiment of Figure 4. These tabs are constituted by triangular portions 44 cut in the drawer, having a projecting spout 46 intended to engage in the notches 48 distinct from the input passages of the fingers.

Claims (7)

  1. An electrical connector comprising :
    - a receptacle (10) for receiving first electrical contacts, having two side walls (20) that define two parallel passages (18) extending in the long direction of the receptacle,
    - a plug (12) for receiving second contracts cooperating with the first contacts, the plug being displaceable with respect to the receptacle in an insertion and extraction direction, said plug having studs (28a, 28b) projecting orthogonally to the insertion and extraction direction; and
    - a U-shaped slide (14) for forced insertion and extraction of the plug, arranged for sliding along the passages orthogonally to the insertion direction, formed with open-ended stud-receiving grooves (30a, 30b) having a shape such that displacement of the slide in the receptacle in a first direction causes the studs to move along the grooves from the open ends thereof, and displacement in the opposite direction forces the studs out of the grooves ;
       characterized in that the slide includes resilient retaining lugs (32) that project outwardly when at rest, and in that cutouts (34) that are elongate in the slide displacement direction are formed in the side walls of the receptacle to receive the lugs and are of a length enabling to fully insert the slide but preventing full extraction of the slide, the resilient retaining lugs (32) being of a shape such that the force required for pulling the slide out of the receptacle is much greater than the force required for inserting it into the receptacle.
  2. A connector according to claim 1, characterized in that the slide (14) is further provided with resilient locking tabs (36) apt to be received in notches (38a, 38b) formed in the side walls when the slide is in its fully inserted position.
  3. A connector according to claim 2, characterized in that said notches (38a, 38b) pass through the side walls (20) whereby the ends of the tabs can be seen in the notches when the slide (14) is fully pushed home, for visual inspection.
  4. A connector according to any one of the preceding claims, characterized in that said studs comprise at least one pair of studs (28a) placed in a mid plane of the plug (12), the grooves of the slide including at least one pair of grooves (30a) designed to receive said studs (28a) and said cutouts (34) in the receptacle (10) are symmetrical about the mid plane of the receptacle.
  5. A connector according to claims 2 and 4, characterized in that two pairs of notches (38b) for receiving the resilient locking tabs (36) are provided and disposed symmetrically with respect to the mid plane of the receptacle.
  6. An electrical connector according to claim 4 or 5, characterized in that the plug includes two pairs of studs (28a, 28b), one of the pairs being situated close to one of the plug ends (12), and in that the slide (14) includes two pairs of grooves (30a, 30b).
  7. An electrical connector according to any one of the preceding claims, characterized in that the longitudinal size of the cutouts (34) is such that, when the lugs are in a rear most abutting position, the openings of the grooves (30a, 30b) confront a path of insertion of the studs (28a, 28b).
EP94401118A 1993-05-21 1994-05-19 Electrical connector with insertion and extraction drawer Expired - Lifetime EP0625809B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9306122 1993-05-21
FR9306122A FR2705503B1 (en) 1993-05-21 1993-05-21 Electrical connector with insertion and extraction drawer.

Publications (2)

Publication Number Publication Date
EP0625809A1 EP0625809A1 (en) 1994-11-23
EP0625809B1 true EP0625809B1 (en) 1997-07-16

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EP94401118A Expired - Lifetime EP0625809B1 (en) 1993-05-21 1994-05-19 Electrical connector with insertion and extraction drawer

Country Status (7)

Country Link
US (1) US5899762A (en)
EP (1) EP0625809B1 (en)
JP (1) JPH07135046A (en)
AT (1) ATE155616T1 (en)
CA (1) CA2123972A1 (en)
DE (1) DE69404223T2 (en)
FR (1) FR2705503B1 (en)

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EP0726617A2 (en) * 1995-02-09 1996-08-14 The Whitaker Corporation Connector with secondary locking and coupling mechanism
EP0736935A2 (en) * 1995-04-07 1996-10-09 Sumitomo Wiring Systems, Ltd. Lever type connector
US5660556A (en) * 1995-02-13 1997-08-26 Connecteurs Cinch Electrical connectors
EP0855763A2 (en) * 1996-12-25 1998-07-29 Yazaki Corporation Low insertion force connector
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US5857859A (en) * 1995-08-22 1999-01-12 The Whitaker Corporation Electrical connector having an actuating slide
EP0989633A2 (en) * 1998-09-25 2000-03-29 The Whitaker Corporation Cam slide electrical connector
US6062882A (en) * 1996-09-03 2000-05-16 Yazaki Corporation Low insertion force connector
EP1006619A2 (en) * 1998-12-03 2000-06-07 Delphi Technologies, Inc. Two-part electrical or optical connector
US6422882B1 (en) 1999-01-08 2002-07-23 Framatome Connectors International Plug and socket connector arrangement with plug and socket mating slider
DE19511225C2 (en) * 1995-03-27 2003-10-09 Bosch Gmbh Robert Electrical connector
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JP3326069B2 (en) * 1996-03-29 2002-09-17 矢崎総業株式会社 Low insertion force connector
FR2752495B1 (en) * 1996-08-13 1998-10-30 Proner Comatel Sa ELECTRICAL CONNECTOR WITH INSERTION AND LOCKING AID CALIPER
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JPH1126069A (en) * 1997-06-27 1999-01-29 Yazaki Corp Slide-fitting type connector
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JP3529021B2 (en) * 1998-01-22 2004-05-24 矢崎総業株式会社 Low insertion force connector
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FR2784240B1 (en) * 1998-09-16 2000-11-17 Framatome Connectors Int DEVICE FOR OPERATING AT LEAST ONE SHUNT IN A CONNECTOR, PARTICULARLY A MOBILE CALIPER
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DE29823231U1 (en) * 1998-12-30 2000-05-11 Bosch Gmbh Robert Electrical connector
JP3528147B2 (en) * 1999-01-13 2004-05-17 矢崎総業株式会社 Low mating force connector
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US6632099B2 (en) 2000-11-21 2003-10-14 Ati Systems, Inc. Electrical connector with automatic shunt displacement member
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JP2013246897A (en) 2012-05-23 2013-12-09 Yazaki Corp Lever type connector
JP5885597B2 (en) 2012-06-15 2016-03-15 矢崎総業株式会社 Lever type connector
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FR3033091B1 (en) * 2015-02-25 2018-05-25 Amphenol - Air Lb CONNECTOR CONNECTION SYSTEM
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US5575676A (en) * 1994-02-25 1996-11-19 The Whitaker Corporation Cam-equipped connector
EP0669679A2 (en) * 1994-02-25 1995-08-30 The Whitaker Corporation Cam-equipped connector
EP0726617A2 (en) * 1995-02-09 1996-08-14 The Whitaker Corporation Connector with secondary locking and coupling mechanism
US5660556A (en) * 1995-02-13 1997-08-26 Connecteurs Cinch Electrical connectors
DE19511225C2 (en) * 1995-03-27 2003-10-09 Bosch Gmbh Robert Electrical connector
DE19511225C5 (en) * 1995-03-27 2008-02-07 Robert Bosch Gmbh Electrical plug device
EP0736935A2 (en) * 1995-04-07 1996-10-09 Sumitomo Wiring Systems, Ltd. Lever type connector
US5823807A (en) * 1995-06-27 1998-10-20 The Furukawa Electric Co., Ltd. Connector assembly with mechanism for confirmation of fitting of connector housing and method of attaching connector housing
GB2302767B (en) * 1995-06-27 1998-12-30 Furukawa Electric Co Ltd Connector assembly with mechanism for confirmation of fitting of connector housings and method of attaching connector housings
US5857859A (en) * 1995-08-22 1999-01-12 The Whitaker Corporation Electrical connector having an actuating slide
US6062882A (en) * 1996-09-03 2000-05-16 Yazaki Corporation Low insertion force connector
EP0855763A2 (en) * 1996-12-25 1998-07-29 Yazaki Corporation Low insertion force connector
EP0989633A2 (en) * 1998-09-25 2000-03-29 The Whitaker Corporation Cam slide electrical connector
EP1006619A2 (en) * 1998-12-03 2000-06-07 Delphi Technologies, Inc. Two-part electrical or optical connector
EP1006619A3 (en) * 1998-12-03 2004-03-31 Delphi Technologies, Inc. Two-part electrical or optical connector
US6422882B1 (en) 1999-01-08 2002-07-23 Framatome Connectors International Plug and socket connector arrangement with plug and socket mating slider
US6663291B2 (en) 2001-02-21 2003-12-16 Tyco Electronics Amp Gmbh Connector assembly having an improved connector position assurance mechanism

Also Published As

Publication number Publication date
CA2123972A1 (en) 1994-11-22
EP0625809A1 (en) 1994-11-23
DE69404223D1 (en) 1997-08-21
DE69404223T2 (en) 1998-01-08
FR2705503B1 (en) 1995-07-28
FR2705503A1 (en) 1994-11-25
US5899762A (en) 1999-05-04
ATE155616T1 (en) 1997-08-15
JPH07135046A (en) 1995-05-23

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