EP1732180B1 - Fixing device for a two-part connector and corresponding two-part connector - Google Patents

Fixing device for a two-part connector and corresponding two-part connector Download PDF

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Publication number
EP1732180B1
EP1732180B1 EP06290890.0A EP06290890A EP1732180B1 EP 1732180 B1 EP1732180 B1 EP 1732180B1 EP 06290890 A EP06290890 A EP 06290890A EP 1732180 B1 EP1732180 B1 EP 1732180B1
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EP
European Patent Office
Prior art keywords
bush
fixing
head
connector
rod
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EP06290890.0A
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German (de)
French (fr)
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EP1732180A1 (en
Inventor
Gaspard Cayzac
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Amphenol Air LB SAS
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Amphenol Air LB SAS
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Publication of EP1732180A1 publication Critical patent/EP1732180A1/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
    • H01R13/64—Means for preventing incorrect coupling
    • H01R13/645—Means for preventing incorrect coupling by exchangeable elements on case or base
    • H01R13/6453—Means for preventing incorrect coupling by exchangeable elements on case or base comprising pin-shaped elements, capable of being orientated in different angular positions around their own longitudinal axes, e.g. pins with hexagonal base
    • 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
    • H01R13/623—Casing or ring with helicoidal groove
    • 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
    • H01R13/625—Casing or ring with bayonet engagement

Definitions

  • the invention relates to the field of connectors and relates more particularly to a fastener for two-part connector.
  • Such connectors conventionally serve to ensure the electrical connection of cable harnesses to be connected. They are generally used in transport vehicles, especially in aircraft, to provide power to embedded electrical or electronic elements, or to exchange data between these elements.
  • Connectors of this type generally comprise two paired connector parts, which are attached to one another.
  • Each connector portion comprises an insulating body of molded material incorporating contacts, respectively male and female, mechanical fastening and electrical connection of contact tips provided at the ends to be connected conductors.
  • a shield housing surrounds the insulative body of each connector portion.
  • each driver of a beam to be connected must be connected to a conductor of another beam which corresponds to it.
  • the connectors are often provided with coding means so that an operator can assemble the connector parts in only one predefined position.
  • the object of the invention is therefore to overcome the disadvantages of connector fasteners of the state of the art and, in particular, to make the assembly and fixing operation of the two connector parts to be assembled faster. and without increasing the number of component parts of the fasteners.
  • the invention therefore relates to a fastener for a two-part connector for connecting electrical conductors, comprising a first bushing and a second bushing which is mounted in respective bores provided in the two parts of the connector, the first bushing and the second bushing comprising complementary means for removably attaching the first bushing to the second bushing comprising coding means for authorizing the cooperation of the fixing means in a single predetermined angular position of the first and second bushes.
  • the removable fastening means are quarter-turn fastening means.
  • the actual fixing of the two connector parts thus becomes particularly fast to achieve.
  • the polarizing means remain integrated with the fixing means, so that the speed of assembly is obtained without increasing the number of constituent parts of the fixing device and the connector, and therefore without prohibitive increase in manufacturing costs.
  • the polarizing means comprise a male polarizer in the form of at least one tooth projecting from one of the sockets and a female polarizer in the form of at least one complementary housing. formed in the other sleeve and wherein engages said at least one tooth.
  • each bushing comprises a polygonal head and a generally cylindrical portion extending from said head and provided with means for securing the bushing in one of the connector parts.
  • the head is a hexagonal head coming into a housing of complementary shape formed in the corresponding connector part.
  • the means for fixing the first bushing on the second bushing comprise a rod inserted in an axial passage made in the first bushing and provided with a pair of radial end pegs, and two complementary grooves. generally helical formed in the wall of the second bushing.
  • the grooves each comprise upstream and downstream end portions for receiving the pins.
  • the upstream end portion opens into an axial rectilinear groove for the insertion of the rod into the second socket and the downstream end portion comprises a housing able to constitute a stable locking position of the first socket and the second socket .
  • the fastening means may further comprise a head from which the rod extends.
  • An elastically deformable member may then be disposed between the head and the corresponding socket to urge the pins in the housing of the downstream end portion.
  • the invention also relates to a two-part connector for electrical conductor, characterized in that it comprises a pair of fastening devices as defined above for fixing the two connector parts the one on the other.
  • the invention relates directly to the fixing device, the connector being, for its part, constituted by a conventional connector in two parts, so that, on the Figures 1 to 6 only the fixing device has been shown.
  • FIG. 1 there is shown a perspective view of a fastening device according to the invention, designated by the general reference numeral 10.
  • the connectors of this type comprise two paired connector parts each intended to ensure the mechanical fixing and the electrical connection of a conductor bundle and to establish an electrical connection of conductors to be connected respectively connected to the connector parts.
  • the connector parts are fixed one on the other by end tabs in each of which is mounted a fixing device 10.
  • each device 10 comprises two sockets 12 and 14 which each fit into a bore made in the two opposite end lugs respectively provided in the two connector parts to be assembled.
  • Each bushing comprises a generally cylindrical portion 16 and 18 and a polygonal end head 20 and 22 from which the cylindrical portion extends.
  • the diameters of the cylindrical portions are identical.
  • the end heads advantageously have identical external forms.
  • the cylindrical portions 16 and 18 each have the shape of a hollow cylinder.
  • one of the sockets namely the socket designated by the reference numeral 12, constitutes a female socket, while the other socket 14 constitutes a male socket.
  • the sleeve 14 is provided at its end opposite the head 22, a tooth 24 projecting parallel to the general axis of the sleeve, but radially decalled.
  • This tooth is made in the form of a cylinder portion of diameter generally less than that of the rest of the sleeve, so as to allow its insertion inside the other sleeve.
  • the free end zone of the female socket 12 is for this purpose provided with a housing 26 of complementary shape to that of the tooth 24 and which opens into an internal bore of the sleeve.
  • the housing 26 extends into the bushing 14 only according to a predetermined angular sector corresponding to that of the tooth 24 so as to allow the insertion of the male bush 14 into the female bushing 12 only in a single predetermined angular position. .
  • the sockets 12 and 14 are intended to be inserted into end tabs facing the two connector parts to be assembled.
  • the end lugs are for example each provided with a stepped bore.
  • the bushings are each provided with an elastically deformable ring 28 and 30, for example reported, and of increasing thickness so as to define a ramp for snapping the bushing into the bore of the corresponding end tab.
  • the end tabs P also have a footprint E of shape complementary to that of the heads 20 and 22, so as to allow the insertion of the sockets in a single angular position.
  • the heads 20 and 22 are each made in the form of a hexagon. It is thus possible to provide insertion of the bushings in the end tabs at six respective angular positions. As we see on the figure 3 it is preferably provided to equip the heads with a locating notch 32 and to associate with each part of the cavity E formed in an end tab P a number to enable identification and marking of the angular position. to adopt the socket.
  • the fixing device is furthermore provided with complementary means for removably fixing the male socket 14 to the female socket 12.
  • the fixing device in fact comprises a rod 34 which is inserted into a slot 36 formed in the cylindrical portion 16 of the female socket 12 through an orifice 38 made in the hexagonal head 20.
  • the rod 34 is provided at one of its ends with a head 40 provided with an impression 42, for example hexagonal, shaped to receive a suitable tool, for example an Allen key, and at its opposite end, radial end pins 43, which are inserted during the attachment of the sleeves in two complementary helical grooves 44 formed in the male sleeve 14.
  • a suitable tool for example an Allen key
  • the grooves 44 extend in an angular sector of about 90 °. These fixing means thus constitute quarter-turn type fastening means.
  • the length of the rod 34 and in particular the position of the end pins 43 relative to that of the grooves 44, are chosen so as to prevent the insertion of the pins into the grooves as long as the sleeves are located not in their correct angular positions.
  • the helical grooves 44 are each provided with end portions 48 and 50 upstream and downstream, considering the direction of insertion of the rod 34 into the male sleeve 14, intended to receive the pins of the fixing device, respectively in beginning and end of tightening.
  • each groove 44 communicates with a corresponding straight groove 46.
  • the downstream end forms a housing provided with a cutout 52 delimiting a seat for receiving a pin 43 of the rod 34, in which the pin is biased under the action of an elastically deformable member 54 constituted by a spring shaped wave washer or Belleville type, interposed between the head 40 of the rod 34 and the hexagonal head 20 of the female socket 12.
  • an elastically deformable member 54 constituted by a spring shaped wave washer or Belleville type, interposed between the head 40 of the rod 34 and the hexagonal head 20 of the female socket 12.

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  • Connector Housings Or Holding Contact Members (AREA)

Description

L'invention concerne le domaine de la connectique et se rapporte plus particulièrement à un dispositif de fixation pour connecteur en deux parties.The invention relates to the field of connectors and relates more particularly to a fastener for two-part connector.

De tels connecteurs servent classiquement à assurer le raccordement électrique de faisceaux de câbles à connecter. Ils sont généralement utilisés dans des engins de transport, en particulier dans des avions, pour assurer l'alimentation d'éléments électriques ou électroniques embarqués, ou pour échanger des données entre ces éléments.Such connectors conventionally serve to ensure the electrical connection of cable harnesses to be connected. They are generally used in transport vehicles, especially in aircraft, to provide power to embedded electrical or electronic elements, or to exchange data between these elements.

Les connecteurs de ce type comprennent généralement deux parties de connecteur appariées, qui viennent se fixer l'un sur l'autre. Chaque partie de connecteur comprend un corps isolant en matière moulée incorporant des contacts, respectivement mâle et femelle, de fixation mécanique et de raccordement électrique d'embouts de contact prévus aux extrémités à connecter des conducteurs. En outre, un boîtier de blindage entoure le corps isolant de chaque partie de connecteur.Connectors of this type generally comprise two paired connector parts, which are attached to one another. Each connector portion comprises an insulating body of molded material incorporating contacts, respectively male and female, mechanical fastening and electrical connection of contact tips provided at the ends to be connected conductors. In addition, a shield housing surrounds the insulative body of each connector portion.

Comme on le conçoit, chaque conducteur d'un faisceau à connecter doit être connecté à un conducteur d'un autre faisceau qui lui correspond. Afin d'assurer une connexion correcte des conducteurs, les connecteurs sont souvent pourvus de moyens de détrompage afin qu'un opérateur ne puisse assembler les parties de connecteur que dans une seule position prédéfinie.As it is conceived, each driver of a beam to be connected must be connected to a conductor of another beam which corresponds to it. In order to ensure proper connection of the conductors, the connectors are often provided with coding means so that an operator can assemble the connector parts in only one predefined position.

On pourra à cet égard se référer à la demande de brevet français n° 2 849 967 , dans laquelle deux parties de connecteur sont assemblées au moyen d'un dispositif de fixation qui comprend, d'une part, des moyens de détrompage et, d'autre part, des moyens de fixation du type à vis-écrou. Dans le dispositif de fixation décrit dans ce document, les moyens de détrompage sont incorporés au moyen de fixation. Toutefois, la fixation proprement dite des deux parties du connecteur est relativement longue à mettre en oeuvre et ne permet pas, à coup sûr, d'obtenir une fixation parfaite et reproductible à l'identique des deux parties de connecteur.In this regard, reference may be made to French patent application no. 2,849,967 , in which two connector parts are assembled by means of a fixing device which comprises, on the one hand, polarizing means and, on the other hand, fastening means of the screw-nut type. In the fixing device described in this document, the foolproofing means are incorporated in the fixing means. However, the actual fixing of the two parts of the connector is relatively long to implement and does not allow, for sure, to obtain a perfect and reproducible attachment to the identical of the two connector parts.

Le document US 3 594698 décrit un dispositif pour connecteur en deux parties servant au raccordement de conducteurs électroniques selon le préambule de la revendication 1.The document US 3 594698 discloses a two-part connector device for connecting electronic conductors according to the preamble of claim 1.

Le but de l'invention est donc de pallier les inconvénients des dispositifs de fixation pour connecteur de l'état de la technique et, en particulier, de rendre plus rapide l'opération d'assemblage et de fixation des deux parties de connecteur à assembler et ce, sans augmentation du nombre de pièces constitutives des dispositifs de fixation.The object of the invention is therefore to overcome the disadvantages of connector fasteners of the state of the art and, in particular, to make the assembly and fixing operation of the two connector parts to be assembled faster. and without increasing the number of component parts of the fasteners.

L'invention a donc pour objet un dispositif de fixation pour connecteur en deux parties servant au raccordement de conducteurs électriques, comprenant une première douille et une deuxième douille venant se monter dans des alésages respectifs prévus dans les deux parties du connecteur, la première douille et la deuxième douille comprenant des moyens complémentaires de fixation amovible de la première douille sur la deuxième douille comportant des moyens de détrompage pour autoriser la coopération des moyens de fixation dans une seule position angulaire prédéterminée des première et deuxième douilles.The invention therefore relates to a fastener for a two-part connector for connecting electrical conductors, comprising a first bushing and a second bushing which is mounted in respective bores provided in the two parts of the connector, the first bushing and the second bushing comprising complementary means for removably attaching the first bushing to the second bushing comprising coding means for authorizing the cooperation of the fixing means in a single predetermined angular position of the first and second bushes.

Selon une caractéristique générale de ce dispositif de fixation, les moyens de fixation amovible sont des moyens de fixation de type quart de tour.According to a general characteristic of this fastening device, the removable fastening means are quarter-turn fastening means.

La fixation proprement dite des deux parties de connecteur devient ainsi particulièrement rapide à réaliser. En outre, les moyens de détrompage restent intégrés aux moyens de fixation, de sorte que la rapidité d'assemblage est obtenue sans augmenter le nombre de parties constitutives du dispositif de fixation et du connecteur, et donc sans augmentation rédhibitoire des coûts de fabrication.The actual fixing of the two connector parts thus becomes particularly fast to achieve. In addition, the polarizing means remain integrated with the fixing means, so that the speed of assembly is obtained without increasing the number of constituent parts of the fixing device and the connector, and therefore without prohibitive increase in manufacturing costs.

Selon une autre caractéristique de l'invention, les moyens de détrompage comportent un détrompeur mâle sous la forme d'au moins une dent en saillie à partir de l'une des douilles et un détrompeur femelle sous la forme d'au moins un logement complémentaire ménagé dans l'autre douille et dans lequel s'engage ladite au moins une dent.According to another characteristic of the invention, the polarizing means comprise a male polarizer in the form of at least one tooth projecting from one of the sockets and a female polarizer in the form of at least one complementary housing. formed in the other sleeve and wherein engages said at least one tooth.

Selon encore une autre caractéristique de l'invention, chaque douille comporte une tête polygonale et une portion généralement cylindrique s'étendant à partir de ladite tête et pourvue de moyens pour solidariser la douille dans l'une des parties de connecteur.According to yet another characteristic of the invention, each bushing comprises a polygonal head and a generally cylindrical portion extending from said head and provided with means for securing the bushing in one of the connector parts.

Avantageusement, la tête est une tête à six pans venant s'insérer dans un logement de forme complémentaire ménagé dans la partie de connecteur correspondante.Advantageously, the head is a hexagonal head coming into a housing of complementary shape formed in the corresponding connector part.

Dans un mode de réalisation, les moyens de fixation de la première douille sur la deuxième douille comportent une tige s'insérant dans un passage axial pratiqué dans la première douille et munie d'une paire de pions d'extrémité radiaux, et deux gorges complémentaires généralement hélicoïdales ménagées dans la paroi de la deuxième douille.In one embodiment, the means for fixing the first bushing on the second bushing comprise a rod inserted in an axial passage made in the first bushing and provided with a pair of radial end pegs, and two complementary grooves. generally helical formed in the wall of the second bushing.

De préférence, les gorges comprennent chacune des portions d'extrémité amont et aval pour la réception des pions.Preferably, the grooves each comprise upstream and downstream end portions for receiving the pins.

La portion d'extrémité amont débouche dans une gorge rectiligne axiale pour l'insertion de la tige dans la deuxième douille et la portion d'extrémité aval comporte un logement apte à constituer une position de verrouillage stable de la première douille et de la deuxième douille.The upstream end portion opens into an axial rectilinear groove for the insertion of the rod into the second socket and the downstream end portion comprises a housing able to constitute a stable locking position of the first socket and the second socket .

Les moyens de fixation peuvent en outre comporter une tête à partir de laquelle s'étend la tige.The fastening means may further comprise a head from which the rod extends.

Un organe élastiquement déformable peut alors être disposé entre la tête et la douille correspondante pour solliciter les pions dans le logement de la portion d'extrémité aval.An elastically deformable member may then be disposed between the head and the corresponding socket to urge the pins in the housing of the downstream end portion.

Selon un second aspect, l'invention a également pour objet un connecteur en deux parties pour conducteur électrique, caractérisé en ce qu'il comporte une paire de dispositifs de fixation tels que définis ci-dessus pour la fixation des deux parties de connecteur l'une sur l'autre.According to a second aspect, the invention also relates to a two-part connector for electrical conductor, characterized in that it comprises a pair of fastening devices as defined above for fixing the two connector parts the one on the other.

D'autres buts, caractéristiques et avantages de l'invention apparaîtront à la lecture de la description suivante, donnée uniquement à titre d'exemple non limitatif, et faite en référence aux dessins annexés, sur lesquels :

  • la figure 1 est une vue en perspective d'un dispositif de fixation conforme à l'invention, en début d'assemblage ;
  • la figure 2 est une vue de côté selon le plan II-II du dispositif de la figure 1 ;
  • la figure 3 est une vue de dessus du dispositif de fixation ;
  • la figure 4 est une vue de côté du dispositif de fixation en cours d'assemblage;
  • la figure 5 est une vue en coupe selon le plan V-V du dispositif de la figure 4 ; et
  • la figure 6 est une vue de côté du dispositif de fixation selon l'invention, après fixation des deux parties de connecteur.
Other objects, features and advantages of the invention will appear on reading the following description, given solely by way of nonlimiting example, and with reference to the appended drawings, in which:
  • the figure 1 is a perspective view of a fastening device according to the invention, at the beginning of assembly;
  • the figure 2 is a side view according to plane II-II of the device of the figure 1 ;
  • the figure 3 is a top view of the fastening device;
  • the figure 4 is a side view of the fastener during assembly;
  • the figure 5 is a sectional view along the plane VV of the device of the figure 4 ; and
  • the figure 6 is a side view of the fastening device according to the invention, after fixing the two connector parts.

L'invention ne concerne directement que le dispositif de fixation, le connecteur étant, quant à lui, constitué par un connecteur classique en deux parties, de sorte que, sur les figures 1 à 6, seul le dispositif de fixation a été représenté.The invention relates directly to the fixing device, the connector being, for its part, constituted by a conventional connector in two parts, so that, on the Figures 1 to 6 only the fixing device has been shown.

En particulier, sur la figure 1, on a représenté une vue en perspective d'un dispositif de fixation selon l'invention, désignée par la référence numérique générale 10.In particular, on the figure 1 , there is shown a perspective view of a fastening device according to the invention, designated by the general reference numeral 10.

Il est destiné à assurer la fixation mutuelle de deux parties de connecteur conventionnel servant au raccordement de conducteurs de deux faisceaux de conducteurs à raccorder, en particulier dans des applications aéronautiques, pour assurer l'alimentation d'éléments électriques ou électroniques embarqués ou pour échanger des données entre ces éléments.It is intended to ensure the mutual attachment of two conventional connector parts for connecting conductors of two bundles of conductors to be connected, in particular in aeronautical applications, to supply power to on-board electrical or electronic elements or to exchange data between these elements.

En effet, les connecteurs de ce type comportent deux parties de connecteur appariées destinées chacune à assurer la fixation mécanique et le raccordement électrique d'un faisceau de conducteur et à établir un raccordement électrique de conducteurs à connecter raccordés respectivement aux parties de connecteur. Les parties de connecteur sont fixées l'une sur l'autre par des pattes d'extrémité dans chacune desquelles est monté un dispositif de fixation 10.Indeed, the connectors of this type comprise two paired connector parts each intended to ensure the mechanical fixing and the electrical connection of a conductor bundle and to establish an electrical connection of conductors to be connected respectively connected to the connector parts. The connector parts are fixed one on the other by end tabs in each of which is mounted a fixing device 10.

Comme on le voit sur la figure 1, chaque dispositif 10 comporte deux douilles 12 et 14 qui viennent chacune s'insérer dans un alésage pratiqué dans les deux pattes d'extrémité en regard prévues respectivement dans les deux parties de connecteur à assembler.As we see on the figure 1 each device 10 comprises two sockets 12 and 14 which each fit into a bore made in the two opposite end lugs respectively provided in the two connector parts to be assembled.

Chaque douille comprend une portion 16 et 18 généralement cylindrique et une tête d'extrémité polygonale 20 et 22 à partir de laquelle s'étend la portion cylindrique. Les diamètres des portions cylindriques sont identiques. De même, de préférence, les têtes d'extrémités ont avantageusement des formes extérieurs indentiques.Each bushing comprises a generally cylindrical portion 16 and 18 and a polygonal end head 20 and 22 from which the cylindrical portion extends. The diameters of the cylindrical portions are identical. Likewise, preferably, the end heads advantageously have identical external forms.

Les portions cylindriques 16 et 18 ont chacune la forme d'un cylindre creux. Toutefois, l'une des douilles, à savoir la douille désignée par la référence numérique 12, constitue une douille femelle, tandis que l'autre douille 14 constitue une douille mâle.The cylindrical portions 16 and 18 each have the shape of a hollow cylinder. However, one of the sockets, namely the socket designated by the reference numeral 12, constitutes a female socket, while the other socket 14 constitutes a male socket.

En effet, la douille 14 est pourvue, au niveau de son extrémité opposée à la tête 22, d'une dent 24 en saillie parallèlement à l'axe général de la douille, mais de manière radialement décallée. Cette dent est réalisée sous la forme d'une portion de cylindre de diamètre généralement inférieur à celui du reste de la douille, de manière à permettre son insertion à l'intérieur de l'autre douille.Indeed, the sleeve 14 is provided at its end opposite the head 22, a tooth 24 projecting parallel to the general axis of the sleeve, but radially decalled. This tooth is made in the form of a cylinder portion of diameter generally less than that of the rest of the sleeve, so as to allow its insertion inside the other sleeve.

Comme on le voit sur les figures 1 et 2, la zone d'extrémité libre de la douille femelle 12 est à cet effet pourvue d'une d'un logement 26 de forme complémentaire de celle de la dent 24 et qui débouche dans un alésage interne de la douille. Le logement 26 ne s'étend dans la douille 14 que selon un secteur angulaire prédéterminé correspondant à celui de la dent 24 de manière à n'autoriser l'insertion de la douille mâle 14 dans la douille femelle 12 que dans une seule position angulaire prédéterminée.As we see on the Figures 1 and 2 , the free end zone of the female socket 12 is for this purpose provided with a housing 26 of complementary shape to that of the tooth 24 and which opens into an internal bore of the sleeve. The housing 26 extends into the bushing 14 only according to a predetermined angular sector corresponding to that of the tooth 24 so as to allow the insertion of the male bush 14 into the female bushing 12 only in a single predetermined angular position. .

Comme indiqué précédemment, les douilles 12 et 14 sont destinées à être insérées dans des pattes d'extrémité en regard des deux parties de connecteur à assembler. A cet effet, les pattes d'extrémité sont par exemple pourvues chacune d'un alésage étagé. Les douilles sont alors pourvues chacune d'une bague élastiquement déformable 28 et 30, par exemple rapportée, et d'épaisseur croissante de manière à délimiter une rampe pour l'encliquetage de la douille dans l'alésage de la patte d'extrémité correspondante.As indicated above, the sockets 12 and 14 are intended to be inserted into end tabs facing the two connector parts to be assembled. For this purpose, the end lugs are for example each provided with a stepped bore. The bushings are each provided with an elastically deformable ring 28 and 30, for example reported, and of increasing thickness so as to define a ramp for snapping the bushing into the bore of the corresponding end tab.

En se référant également à la figure 3, les pattes d'extrémité P comportent également une empreinte E de forme complémentaire de celle des têtes 20 et 22, de manière à n'autoriser l'insertion des douilles que dans une seule position angulaire.Referring also to the figure 3 , the end tabs P also have a footprint E of shape complementary to that of the heads 20 and 22, so as to allow the insertion of the sockets in a single angular position.

De préférence, les têtes 20 et 22 sont chacune réalisées sous la forme d'un six pans. Il est ainsi possible de prévoir l'insertion des douilles dans les pattes d'extrémité selon six positions angulaires respectives. Comme on le voit sur la figure 3, de préférence, on prévoit de doter les têtes d'une encoche de repérage 32 et d'associer à chaque pan de l'empreinte E pratiqué dans une patte d'extrémité P un numéro pour permettre un repérage et un marquage de la position angulaire à adopter de la douille.Preferably, the heads 20 and 22 are each made in the form of a hexagon. It is thus possible to provide insertion of the bushings in the end tabs at six respective angular positions. As we see on the figure 3 it is preferably provided to equip the heads with a locating notch 32 and to associate with each part of the cavity E formed in an end tab P a number to enable identification and marking of the angular position. to adopt the socket.

En se référant à nouveau aux figures 1 et 2, le dispositif de fixation est en outre pourvu de moyens complémentaires de fixation amovible de la douille mâle 14 sur la douille femelle 12.Referring again to Figures 1 and 2 the fixing device is furthermore provided with complementary means for removably fixing the male socket 14 to the female socket 12.

Le dispositif de fixation comporte en effet une tige 34 qui vient s'insérer dans une lumière 36 pratiquée dans la portion cylindrique 16 de la douille femelle 12 à travers un orifice 38 pratiqué dans la tête à six pans 20.The fixing device in fact comprises a rod 34 which is inserted into a slot 36 formed in the cylindrical portion 16 of the female socket 12 through an orifice 38 made in the hexagonal head 20.

La tige 34 est pourvue, à l'une de ses extrémités, d'une tête 40 munie d'une empreinte 42 par exemple à six pans, conformée pour recevoir un outil approprié, par exemple une clé pour vis à six pans creux, et à son extrémité opposé, de pions radiaux d'extrémité 43, qui viennent s'insérer lors de la fixation des douilles dans deux gorges complémentaires hélicoïdales 44 pratiquées dans la douille mâle 14.The rod 34 is provided at one of its ends with a head 40 provided with an impression 42, for example hexagonal, shaped to receive a suitable tool, for example an Allen key, and at its opposite end, radial end pins 43, which are inserted during the attachment of the sleeves in two complementary helical grooves 44 formed in the male sleeve 14.

Les gorges 44 s'étendent selon un secteur angulaire d'environ 90°. Ces moyens de fixation constituent ainsi des moyens de fixation de type à quart de tour.The grooves 44 extend in an angular sector of about 90 °. These fixing means thus constitute quarter-turn type fastening means.

En effet, en se référant aux figures 4 à 6, après insertion de la douille mâle dans la douille femelle 14, il convient simplement de provoquer la rotation angulaire de la tige 34 par rapport à la douille mâle 12 pour déplacer les pions 43 dans les gorges hélicoïdales 44 et assurer ainsi le serrage des connecteurs l'un contre l'autre.Indeed, with reference to Figures 4 to 6 after insertion of the male sleeve into the female socket 14, it is simply necessary to cause the angular rotation of the rod 34 relative to the male socket 12 to move the pins 43 in the helical grooves 44 and thus ensure the clamping of the connectors l against each other.

On notera que la longueur de la tige 34, et en particulier la position des pions d'extrémité 43 par rapport à celle des gorges 44, sont choisies de manière à empêcher l'insertion des pions dans les gorges tant que les douilles ne se situent pas dans leurs positions angulaires respectives correctes.It will be noted that the length of the rod 34, and in particular the position of the end pins 43 relative to that of the grooves 44, are chosen so as to prevent the insertion of the pins into the grooves as long as the sleeves are located not in their correct angular positions.

On notera cependant qu'au cours de l'insertion de la douille mâle dans la douille femelle, les pions 43 sont insérés dans deux gorges rectilignes 46 axiales qui débouchent, par une extrémité, au niveau de l'extrémité libre de la douille mâle 14 et, au niveau de leur autre extrémité, dans les douilles hélicoïdales respectives 44.Note however that during the insertion of the male socket into the female socket, the pins 43 are inserted into two straight axial grooves 46 which open at one end at the free end of the male socket 14 and at their other end in the respective helical bushings 44.

En se référant enfin aux figures 2, 4 et 5, les gorges hélicoïdales 44 sont chacune pourvues de portions d'extrémité 48 et 50 amont et aval, en considérant la direction d'introduction de la tige 34 dans la douille mâle 14, destinées à la réception des pions du dispositif de fixation, respectivement en début et en fin de serrage.Referring finally to figures 2 , 4 and 5 , the helical grooves 44 are each provided with end portions 48 and 50 upstream and downstream, considering the direction of insertion of the rod 34 into the male sleeve 14, intended to receive the pins of the fixing device, respectively in beginning and end of tightening.

L'extrémité amont 48 de chaque gorge 44 communique avec une gorge rectiligne 46 correspondante.The upstream end 48 of each groove 44 communicates with a corresponding straight groove 46.

L'extrémité aval, quant à elle, forme un logement pourvu d'une découpe 52 délimitant un siège de réception d'un pion 43 de la tige 34, dans lequel le pion est sollicité sous l'action d'un organe élastiquement déformable 54 constitué par un ressort en forme de rondelle ondulée ou de type Belleville, interposé entre la tête 40 de la tige 34 et la tête à six pans 20 de la douille femelle 12.The downstream end, for its part, forms a housing provided with a cutout 52 delimiting a seat for receiving a pin 43 of the rod 34, in which the pin is biased under the action of an elastically deformable member 54 constituted by a spring shaped wave washer or Belleville type, interposed between the head 40 of the rod 34 and the hexagonal head 20 of the female socket 12.

Comme on le conçoit, l'opération de fixation de deux parties de connecteur à assembler au moyen du dispositif de fixation qui vient d'être décrit, est particulièrement rapide à mettre en oeuvre. Elle permet en outre d'aboutir à un assemblage efficace et fiable, et ce, sans nécessiter d'augmenter le nombre de pièces constitutives du dispositif de fixation.As it is conceivable, the operation of fixing two connector parts to be assembled by means of the fixing device which has just been described, is particularly rapid to implement. It also makes it possible to achieve efficient and reliable assembly without the need to increase the number of parts constituting the fixing device.

En effet, pour procéder à l'assemblage des parties de connecteur, il convient simplement d'insérer les douilles mâle et femelle dans les alésages pratiqués dans les pattes d'extrémité des parties de connecteur dans les positions angulaires respectives repérées au moyen de l'encoche pratiquée dans les têtes 20 et 22 et des numéros indiqués sur les connecteurs. Dans cette position de repos, les pions radiaux 43 de la tige 34 sont indexés par rapport au logement 26, permettant un assemblage aisé dans les gorges rectilignes 46 de la douille 14. On assemble alors les parties de connecteur l'une sur l'autre jusqu'à ce que les pions d'extrémité 43 s'insèrent dans les extrémités amont 48 respectives des gorges. Le dispositif de fixation se situe alors dans la position représentée sur les figures 4 et 5. Le serrage et le verrouillage des douilles s'effectuent alors en déplaçant angulairement la tige 34 d'un quart de tour jusqu'à ce que les pions se situent dans les logements aval. Dans cette position, visible sur la figure 6, le ressort 54, alors comprimé, sollicite les pions contre le siège 52, de sorte que l'assemblage ainsi obtenu ne peut être desserré sans action extérieure.Indeed, to proceed to the assembly of the connector parts, it is simply necessary to insert the male and female sockets into the bores made in the end tabs of the connector parts in the respective angular positions marked by means of the notch made in heads 20 and 22 and numbers listed on the connectors. In this rest position, the radial pins 43 of the rod 34 are indexed relative to the housing 26, allowing easy assembly in the straight grooves 46 of the sleeve 14. The connector parts are then assembled one on the other until the end pins 43 fit into the respective upstream ends 48 of the grooves. The fixing device is then in the position shown on the Figures 4 and 5 . Clamping and locking of the bushings are then performed by angularly moving the rod 34 a quarter of a turn until the pins are located in the downstream housing. In this position, visible on the figure 6 the spring 54, then compressed, urges the pins against the seat 52, so that the assembly thus obtained can not be released without external action.

Claims (8)

  1. Fixing device for two-part connectors for connecting electrical conductors, the device comprising a first bush (12) and a second bush (14) adapted to be mounted in respective bores in the two connector parts, the first and second bushes comprising complementary means for removably fixing the first bush to the second bush, including polarizer means (24, 26) for authorizing cooperation of the fixing means in only one predetermined angular position of the first and second bushes, the device being characterized in that the removable fixing means are quarter-turn fixing means (43, 44), and in that the means for fixing the first bush (12) to the second bush (14) include a rod (34) adapted to be inserted in an axial passage in the first bush, the rod being provided with a pair of radial end pins (43) and two complementary generally helicoidal grooves (44) in the wall of the second bush.
  2. Device according to Claim 1, characterized in that the polarizer means include a male polarizer (24) in the form of a tooth projecting from one of the bushes and a female polarizer (26) in the form of a complementary housing in the other bush in which said tooth engages.
  3. Device according to either Claim 1 or Claim 2, characterized in that each bush (12, 14) has a polygonal head (20, 22) and a cylindrical portion (16, 18) extending from said head and provided with means (28, 30) for fastening the bush into one of the connector parts.
  4. Device according to Claim 3, characterized in that the head is hexagonal and is adapted to be inserted into a complementary housing (E) in the corresponding connector part.
  5. Device according to any one of Claims 1 to 4, characterized in that the grooves each comprise upstream and downstream end portions (48, 50) for receiving the pins (43), the upstream end portion opening into a rectilinear axial groove (46) for insertion of the rod into the second bush and the downstream end portion (50) including a housing adapted to constitute a stable locking position of the first and second bushes.
  6. Device according to any one of Claims 1 to 5, characterized in that the fixing means further include a head from which the rod extends.
  7. Device according to Claim 6, characterized in that the fixing means further include an elastically deformable member between the head and the corresponding bush to urge the pins into the housing (50) of the downstream end portion.
  8. Two-part connector for electrical conductors, characterized in that it includes a pair of fixing devices according to any one of Claims 1 to 7 for fixing the two connector parts to each other.
EP06290890.0A 2005-06-10 2006-06-01 Fixing device for a two-part connector and corresponding two-part connector Active EP1732180B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0505894A FR2887079B1 (en) 2005-06-10 2005-06-10 FIXING DEVICE FOR TWO-PART CONNECTOR AND TWO-PART CONNECTORS

Publications (2)

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EP1732180A1 EP1732180A1 (en) 2006-12-13
EP1732180B1 true EP1732180B1 (en) 2013-07-31

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EP06290890.0A Active EP1732180B1 (en) 2005-06-10 2006-06-01 Fixing device for a two-part connector and corresponding two-part connector

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US (1) US7326090B2 (en)
EP (1) EP1732180B1 (en)
ES (1) ES2433281T3 (en)
FR (1) FR2887079B1 (en)

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Also Published As

Publication number Publication date
FR2887079B1 (en) 2007-08-31
EP1732180A1 (en) 2006-12-13
US20070143948A1 (en) 2007-06-28
FR2887079A1 (en) 2006-12-15
US7326090B2 (en) 2008-02-05
ES2433281T3 (en) 2013-12-10

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