EP0471603B1 - Connector locking device - Google Patents

Connector locking device Download PDF

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Publication number
EP0471603B1
EP0471603B1 EP91402102A EP91402102A EP0471603B1 EP 0471603 B1 EP0471603 B1 EP 0471603B1 EP 91402102 A EP91402102 A EP 91402102A EP 91402102 A EP91402102 A EP 91402102A EP 0471603 B1 EP0471603 B1 EP 0471603B1
Authority
EP
European Patent Office
Prior art keywords
pin
openings
control rod
locking means
connector
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
Application number
EP91402102A
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German (de)
French (fr)
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EP0471603A1 (en
Inventor
Jean-Luc Moreau
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.)
Compagnie Deutsch SA
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Compagnie Deutsch SA
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Publication date
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Publication of EP0471603A1 publication Critical patent/EP0471603A1/en
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Publication of EP0471603B1 publication Critical patent/EP0471603B1/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
    • H01R13/627—Snap or like fastening
    • H01R13/6276—Snap or like fastening comprising one or more balls engaging in a hole or a groove

Definitions

  • the present invention relates generally to connectors and, for example those commonly used at present, being in the form of flat rectangular cassettes which may include modular elements.
  • Such connectors have a fixed part and a mobile part which is fixed to one another in a removable manner.
  • the locking devices which have then been proposed are formed by a generally cylindrical element or pin provided with a groove, integral with which is mounted an assembly integral with the second part of the connector and formed by a barrel whose first end is shaped in order to allow its snap-fit mounting on said generally cylindrical element and the second end of which carries, axially displaceable, an external drawer and an internal trigger.
  • the locking of the generally cylindrical element and of the barrel is, for example, ensured by balls which are positioned through the wall of said barrel and cooperate inwardly with the generally cylindrical element and outwardly with the drawer.
  • FIG. 1 there is shown schematically the two portions 10, 12 of the connector not shown which is intended to be locked by the device according to the invention.
  • Part 10 is the fixed part of the connector, it can in a manner known per se but not shown be mounted on a partition.
  • this fixed part 10 carries one or more coupling drums 20 of which only one is shown.
  • This coupling barrel 20 is positioned in a stepped bore 11 of the fixed part 10 and in this example immobilized by a nut 21.
  • the coupling barrel 20 is in the form of a hollow cylinder, one end of which is closed. Said closed end is threaded in order to allow the barrel to be fixed by fitting the nut 21.
  • Said barrel has on its external surface a nut 22 which is not of circular section in order to allow adjustment of the angular position of said barrel 20 relative to the fixed part 10 of the connector.
  • the barrel 20 largely protrudes from the part 10 of the connector by its hollow portion 23.
  • Said hollow portion 23 of the barrel 20 has on its external surface a lug 24 intended to ensure indexing with the part 30 of the connection device secured to the movable part 12 of the connector.
  • a circumferential groove 25 is also provided on the internal surface of the barrel 20.
  • connection device comprises a part 30 secured to the movable part 12 of the connector.
  • This part 30 is mainly formed by a generally cylindrical spindle 31 having inside a control rod 32 and outside a slide 33 movable axially.
  • the locking means of the connection device is, in the example shown, formed by balls 34 positioned in radial openings 35 of the pin 31.
  • said balls 34 are partly outside of said radial openings 35 as best seen in FIG. 3, and extend into the housing formed by the circumferential groove 25 of the barrel 20.
  • the spindle 31 is at its end facing the barrel 20 with a diameter substantially equal to, but slightly less than, the internal diameter of the barrel.
  • the end of the pin 31 is provided conical in order to facilitate the insertion of the latter into the barrel 20.
  • the part 30 of the locking device according to the invention has a portion 36 of smaller diameter, then an annular bulge 37 before ending with a rear portion 38 of diameter similar to that of the pin 31.
  • the control rod 32 is as shown in Figures 1 and 2 in several parts. Its front end 40 is of very small diameter in order to position itself, in the position of locking of the locking device according to the invention, in the middle of the balls 34 and thus pushing them towards the outside of the spindle 31, as visible in FIG. 3. For obvious reasons of solidity, this front end 40 is small length and the control rod 32 has a larger diameter overall. An annular bulge 41 is provided at a distance from the front end in order to form, opposite said front end 40, a bearing shoulder for a spring 43.
  • control rod 32 is shaped in order to facilitate its gripping.
  • said control rod 32 slides inside the pin 31 in a stepped bore thereof whose diameter is similar to that of said rod 32.
  • the part 46, opening at the 'rear of said movable part 30 of said bore has a diameter equal to that of the annular bulge 41 in order to be able to enclose said annular bulge 41 as well as the portion of the rod 32 surrounded by the spring 43.
  • a plug 39 is made integral with the part 30 by any known means (screwing, welding, snap-fitting, etc.) in order to partially close said part 46 opening out at the rear and to create a support for the rear end of the spring 43 while allowing passage to the outside of the rod 32.
  • the spring 43 then tends to always push the control rod 32 so that its front end is in the middle of the balls 34.
  • control rod 32 and of the internal bore of the movable part 30 of the device, as well as the spring 43 are provided in such a way that the control rod 32 can be driven rearward over a sufficient distance so that the front end 40 thereof is no longer positioned in contact with the balls. In this remote position of the control rod 32 shown in FIG. 2, the balls 34 are then free to enter the orifices 35.
  • the mobile part 30 of the device according to the invention also comprises, as already mentioned above, a drawer 33 sliding on the external surface of the spindle 31.
  • This drawer 33 is of sufficient length to be able to be placed in front of the radial openings 35 of the pin to prevent the balls 34 from coming out.
  • the slide 33 is extended in the direction of the annular bulge 37 by lugs 47 whose ends each have a radial bulge directed towards the axis which is applied to the portion 36 of smaller diameter of the spindle 31.
  • the drawer 33 can thus be moved between a first position for which the ends of the legs 47 are close to the annular bulge 37 and a second position for which the radial bulges of said legs are against the shoulder separating the current part of the pin 31 from the portion 36 of smaller diameter. These positions correspond, as visible in FIGS. 1 and 2, to the locking and unlocking positions of the device according to the invention.
  • the drawer 33 In the locked position, the drawer 33 is kept retracted by the end of the barrel 20.
  • a spring 48 recalls the drawer 33 in its second position away from the annular bulge 37.
  • This spring is, in the example shown, arranged around the tabs 47 between a radial shoulder of the slide 33 and said annular bulge 37 of the pin 31.
  • the relative position of the fixed 10 and movable 12 portions of the connector is ensured by the installation in said movable portion 12 of a ring 13 having a groove 14 in which the lug 24 which the external surface of the barrel 20 can slide.
  • this groove 14 could be produced directly on the part 12 of the connector without requiring a ring 13.
  • the part 30 is threaded into the bore of the movable portion 12 of the connector and is held there by any known means, here a circlip 15.
  • FIG 1 the device according to the invention is shown locked, the pin 31 extends inside the barrel 20 and the balls extend partly in the openings 35 of the pin 31 and partly in the groove circumferential 25 of said barrel.
  • the drawer 33 is in its position for which the ends of its legs 47 are close to the annular bulge 37.
  • the control rod 32 is supported by the annular bulge 41 against the bottom of the bore 46 and is held in this position by the spring 43; the front end 40 of said control rod is thus positioned in the middle of the balls 34 which forces them towards the circumferential groove 25 of the barrel 20.
  • the slide 33 is pushed forward by the spring 48 until it is positioned around the balls 34 so as not to lose them.
  • the marking zone 45 has come out of the plug 39 and allows the user to easily know at a glance the state of the connector.
  • the control rod 32 can then move forward under the thrust of the spring 43 and its front end 40 is placed in the middle of said balls 34 in order to ensure locking.
  • the implementation of the locking device according to the invention in which the balls 34 are housed in the spindle 31 allows a saving of space quite appreciable both in diameter and in length compared to known devices.
  • the device according to the invention is indeed in diameter approximately the size of the barrel and could not even exceed this dimension if the nut 22 and the lug 24 were provided in a different form, for example flats, since the drawer is placed around the spindle opposite the barrel and not around it.
  • said device In length, said device is much less bulky and above all it protrudes very little from the movable portion 12 of the connector: only the end 44 of the control rod is necessary at the end of said connector.
  • the device according to the invention is of a simplified implementation because the end of the pin 31 is threaded into the barrel during connection which is easier than when you have to thread a barrel around a spindle as is usually done.
  • the indexing elements lug 24 and groove 14 could be the first on the spindle in the form of a key or a flat and the second on the barrel.
  • the device according to the invention also has the advantage of being able to be used as a safety coupling. It can indeed be placed between two parts by coupling the second to the end 44 of the control rod 32. If an excessive force appears between the two parts, the control rod 32 is pulled backwards which ensures unlocking the device and releasing the second part.

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
  • Lock And Its Accessories (AREA)

Abstract

The invention relates to a connector locking device comprising a barrel (20), generally having the shape of a hollow cylinder, carried by a first portion (10) of the connector, a pin (31) carried by a second portion (12) of the connector and a locking means which can move between a first and a second position for which the said barrel (20) and the said pin (31) are solidly attached one to the other or are free, in which: - the locking means is positioned in openings (35) of the pin (31) and is movable between a first position in which it is partly outside the said openings (35) and a second position in which it is totally inside the said openings (35), - the pin (31) comprises, on the outside, an actuating rod (32) and, on the outside, a slide mechanism (33) which can both be displaced axially, - the barrel (20) comprises a housing in which the portion of the locking means extending outside the openings (35) is positioned. <IMAGE>

Description

La présente invention concerne d'une manière générale des connecteurs et, par exemple ceux couramment utilisés à l'heure actuelle, se présentant sous la forme de cassettes rectangulaires plates pouvant comporter des éléments modulaires.The present invention relates generally to connectors and, for example those commonly used at present, being in the form of flat rectangular cassettes which may include modular elements.

De tels connecteurs présentent une partie fixe et une partie mobile que l'on solidarise l'une à l'autre de manière démontable.Such connectors have a fixed part and a mobile part which is fixed to one another in a removable manner.

Pendant longtemps, cette solidarisation a été faite à l'aide d'un écrou vissé sur une tige filetée fixée à l'une des parties et traversant une ouverture de l'autre partie. Cette mise en oeuvre est beaucoup trop coûteuse en temps de travail si bien que l'on cherche de plus en plus à proposer des dispositifs permettant de réaliser cette solidarisation en effectuant un verrouillage rapide des deux parties du connecteur.For a long time, this connection was made using a nut screwed onto a threaded rod fixed to one of the parts and passing through an opening of the other part. This implementation is far too costly in terms of working time, so that it is increasingly sought to propose devices making it possible to achieve this joining by effecting rapid locking of the two parts of the connector.

Les dispositifs de verrouillage qui ont alors été proposés sont formés par un élément globalement cylindrique ou broche muni d'une gorge, solidaire sur lequel on monte un ensemble solidaire de la seconde partie du connecteur et formé d'un fût dont la première extrémité est conformée afin de permettre son montage par encliquetage sur ledit élément globalement cylindrique et dont la seconde extrémité porte, déplaçables axialement, un tiroir externe et une détente interne.The locking devices which have then been proposed are formed by a generally cylindrical element or pin provided with a groove, integral with which is mounted an assembly integral with the second part of the connector and formed by a barrel whose first end is shaped in order to allow its snap-fit mounting on said generally cylindrical element and the second end of which carries, axially displaceable, an external drawer and an internal trigger.

Le verrouillage de l'élément globalement cylindrique et du fût est, par exemple, assuré par des billes qui sont positionnées à travers la paroi dudit fût et coopèrent vers l'intérieur avec l'élément globalement cylindrique et vers l'extérieur avec le tiroir.The locking of the generally cylindrical element and of the barrel is, for example, ensured by balls which are positioned through the wall of said barrel and cooperate inwardly with the generally cylindrical element and outwardly with the drawer.

Ces dispositifs sont assez complexes à réaliser car de nombreuses pièces doivent être mises en oeuvre et leurs dimensions doivent être assez précises pour obtenir que le verrouillage et le déverrouillage se fassent dans de bonnes conditions et qu'il n'y ait pas de risque de perdre les billes dans les positions intermédiaires ou au repos.These devices are quite complex to produce because many parts must be implemented and their dimensions must be precise enough to obtain that the Locking and unlocking are done in good conditions and there is no risk of losing the balls in the intermediate positions or at rest.

Ces dispositifs sont également assez encombrants puisque le tiroir doit s'étendre autour du fût et être manipulable aisément de l'extérieur.These devices are also quite bulky since the drawer must extend around the barrel and be easy to handle from the outside.

Afin de résoudre ces problèmes, l'invention propose un dispositif de verrouillage d'un connecteur, du genre comportant un fût globalement sous la forme d'un cylindre creux porté par une première partie du connecteur, une broche portée par une seconde partie du connecteur et un moyen de verrouillage mobile entre une première et une seconde position pour lesquelles ledit fût et ladite broche sont solidaires l'un de l'autre ou libres, caractérisé en ce que :

  • le moyen de verrouillage est positionné dans des ouvertures de la broche et mobile entre une première position pour laquelle il est en partie à l'extérieur desdites ouvertures et une seconde position pour laquelle il est totalement dans lesdites ouvertures,
  • la broche comporte à l'intérieur une tige de commande et à l'extérieur un tiroir déplaçables axialement,
  • le fût comporte un logement dans lequel se positionne la partie du moyen de verrouillage s'étendant hors des ouvertures.
In order to solve these problems, the invention proposes a device for locking a connector, of the type comprising a barrel generally in the form of a hollow cylinder carried by a first part of the connector, a pin carried by a second part of the connector. and a movable locking means between a first and a second position for which said barrel and said spindle are integral with one another or free, characterized in that:
  • the locking means is positioned in openings of the spindle and movable between a first position for which it is partly outside said openings and a second position for which it is completely in said openings,
  • the spindle has on the inside a control rod and on the outside a drawer which can be moved axially,
  • the barrel has a housing in which is positioned the part of the locking means extending outside the openings.

Le dispositif suivant l'invention est encore remarquable en ce que :

  • la tige de commande est conformée avec une extrémité avant de faible diamètre se déplaçant dans un alésage de la broche afin de se positionner de manière à pousser le moyen de verrouillage vers l'extérieur des ouvertures.
  • La tige de commande présente un renflement annulaire contre lequel est en appui un ressort tendant à pousser ladite tige de commande de manière à ce que son extrémité avant pousse le moyen de verrouillage.
  • Le ressort prend appui à l'arrière sur un bouchon fermant la partie débouchante de l'alésage de la broche.
  • La tige de commande dépasse de la broche et l'extrémité arrière dépassante est conformée afin de faciliter la préhension de ladite tige de commande.
  • Le tiroir comporte des pattes dont l'extrémité présente un renflement radial dirigé vers l'intérieur qui s'applique contre la surface externe de la broche.
  • Le tiroir est mobile entre une première position pour laquelle les extrémités des pattes sont proches d'un renflement annulaire que présente la broche et une seconde position pour laquelle les renflements radiaux des pattes sont contre un épaulement que présente également la broche à distance du renflement annulaire et, un ressort rappelle ledit tiroir vers ladite seconde position.
  • Dans ladite seconde position, le tiroir est disposé devant les ouvertures afin de maintenir le moyen de verrouillage totalement dans lesdites ouvertures.
  • Le verrouillage s'effectue en tirant la tige de commande par son extrémité arrière dans la direction tendant à la sortie de la broche.
  • Le moyen de verrouillage est formé par des billes disposées dans des ouvertures radiales de la broche et le logement que présente le fût est une rainure circonférentielle sur sa surface interne.
The device according to the invention is also remarkable in that:
  • the control rod is shaped with a small diameter front end moving in a bore of the spindle in order to position itself so as to push the locking means towards the outside of the openings.
  • The control rod has an annular bulge against which a spring tends to push. said control rod so that its front end pushes the locking means.
  • The spring is supported at the rear on a plug closing the open part of the spindle bore.
  • The control rod protrudes from the spindle and the protruding rear end is shaped to facilitate gripping of said control rod.
  • The drawer has tabs, the end of which has an inwardly directed radial bulge which is applied against the external surface of the spindle.
  • The drawer is movable between a first position for which the ends of the legs are close to an annular bulge presented by the pin and a second position for which the radial bulges of the legs are against a shoulder which also has the pin at a distance from the annular bulge and, a spring recalls said drawer towards said second position.
  • In said second position, the drawer is disposed in front of the openings in order to keep the locking means completely in said openings.
  • Locking is effected by pulling the control rod by its rear end in the direction tending to exit the spindle.
  • The locking means is formed by balls arranged in radial openings of the spindle and the housing presented by the barrel is a circumferential groove on its internal surface.

La présente invention sera mieux comprise et d'autres avantages de celle-ci pourront être mis en évidence par la description qui va suivre d'un exemple de réalisation de celle-ci en référence au dessin dans lequel:

  • la figure 1 est une vue en coupe longitudinale d'un dispositif selon l'invention en position de verrouillage,
  • la figure 2 est une vue semblable à la figure 1 pour la position de déverrouillage du dispositif,
  • la figure 3 est une vue partielle en coupe, à plus grande échelle, suivant la ligne III.III de la figure 1,
  • la figure 4 est une vue semblable à la figure 3 suivant la ligne IV.IV de la figure 2,
The present invention will be better understood and other advantages thereof may be highlighted by the description which follows of an example of embodiment thereof with reference to the drawing in which:
  • FIG. 1 is a view in longitudinal section of a device according to the invention in the locked position,
  • FIG. 2 is a view similar to FIG. 1 for the unlocking position of the device,
  • FIG. 3 is a partial sectional view, on a larger scale, along line III.III of FIG. 1,
  • FIG. 4 is a view similar to FIG. 3 along the line IV.IV of FIG. 2,

Sur la figure 1 on a schématisé les deux portions 10, 12 du connecteur non représenté qui est destiné à être verrouillé par le dispositif suivant l'invention.In Figure 1 there is shown schematically the two portions 10, 12 of the connector not shown which is intended to be locked by the device according to the invention.

La partie 10 est la partie fixe du connecteur, elle peut de manière connue en soi mais non représentée être montée sur une cloison.Part 10 is the fixed part of the connector, it can in a manner known per se but not shown be mounted on a partition.

Dans le dispositif selon l'invention, cette partie fixe 10 porte un ou plusieurs fûts d'accouplement 20 dont un seul est représenté. Ce fût d'accouplement 20 est positionné dans un alésage étagé 11 de le partie fixe 10 et dans cet exemple, immobilisé par un écrou 21.In the device according to the invention, this fixed part 10 carries one or more coupling drums 20 of which only one is shown. This coupling barrel 20 is positioned in a stepped bore 11 of the fixed part 10 and in this example immobilized by a nut 21.

Le fût d'accouplement 20 se présente sous la forme d'un cylindre creux dont une extrémité est fermée. Ladite extrémité fermée est filetée afin de permettre la fixation du fût par la mise en place de l'écrou 21.The coupling barrel 20 is in the form of a hollow cylinder, one end of which is closed. Said closed end is threaded in order to allow the barrel to be fixed by fitting the nut 21.

Ledit fût présente sur sa surface externe une noix 22 qui n'est pas de section circulaire afin de permettre un réglage de la position angulaire dudit fût 20 par rapport à la partie fixe 10 du connecteur.Said barrel has on its external surface a nut 22 which is not of circular section in order to allow adjustment of the angular position of said barrel 20 relative to the fixed part 10 of the connector.

Le fût 20 dépasse largement de la partie 10 du connecteur par sa portion creuse 23.The barrel 20 largely protrudes from the part 10 of the connector by its hollow portion 23.

Ladite portion creuse 23 du fût 20 présente sur sa surface externe un ergot 24 destiné à assurer une indexation avec la partie 30 du dispositif de connexion solidaire de la partie mobile 12 du connecteur.Said hollow portion 23 of the barrel 20 has on its external surface a lug 24 intended to ensure indexing with the part 30 of the connection device secured to the movable part 12 of the connector.

Une rainure circonférentielle 25 est encore prévue sur la surface interne du fût 20.A circumferential groove 25 is also provided on the internal surface of the barrel 20.

Le dispositif de connexion suivant l'invention comporte une partie 30 solidarisée à la partie mobile 12 du connecteur.The connection device according to the invention comprises a part 30 secured to the movable part 12 of the connector.

Cette partie 30 est principalement formée par une broche 31 globalement cylindrique comportant à l'intérieur une tige de commande 32 et à l'extérieur un tiroir 33 déplaçables axialement.This part 30 is mainly formed by a generally cylindrical spindle 31 having inside a control rod 32 and outside a slide 33 movable axially.

Le moyen de verrouillage du dispositif de connexion est, dans l'exemple représenté, formé par des billes 34 positionnées dans des ouvertures radiales 35 de la broche 31.The locking means of the connection device is, in the example shown, formed by balls 34 positioned in radial openings 35 of the pin 31.

Dans la position de verrouillage de la figure 1, lesdites billes 34 sont en partie à l'extérieur desdites ouvertures radiales 35 comme mieux visible à la figure 3, et s'étendent dans le logement formé par la rainure circonférentielle 25 du fût 20.In the locking position of FIG. 1, said balls 34 are partly outside of said radial openings 35 as best seen in FIG. 3, and extend into the housing formed by the circumferential groove 25 of the barrel 20.

Par contre dans la position de déverrouillage des figures 2 et 4 lesdites billes 34 sont totalement dans lesdites ouvertures 35 de la broche 31.On the other hand, in the unlocking position of FIGS. 2 and 4, said balls 34 are completely in said openings 35 of spindle 31.

La broche 31 est à son extrémité tournée vers le fût 20 d'un diamètre sensiblement égal, mais légèrement inférieur, au diamètre interne du fût. L'extrémité de la broche 31 est prévue conique afin de faciliter l'insertion de celle-ci dans le fût 20.The spindle 31 is at its end facing the barrel 20 with a diameter substantially equal to, but slightly less than, the internal diameter of the barrel. The end of the pin 31 is provided conical in order to facilitate the insertion of the latter into the barrel 20.

A l'arrière des ouvertures radiales 35, la partie 30 du dispositif de verrouillage suivant l'invention présente une portion 36 de diamètre plus faible, puis un renflement annulaire 37 avant de se terminer par une portion arrière 38 de diamètre semblable à celui de la broche 31.At the rear of the radial openings 35, the part 30 of the locking device according to the invention has a portion 36 of smaller diameter, then an annular bulge 37 before ending with a rear portion 38 of diameter similar to that of the pin 31.

La tige de commande 32 est comme visible aux figures 1 et 2 en plusieurs parties. Son extrémité avant 40 est de très faible diamètre afin de se positionner, dans la position de verrouillage du dispositif de verrouillage selon l'invention, au milieu des billes 34 et d'ainsi les pousser vers l'extérieur de la broche 31, comme visible à la figure 3. Pour des raisons évidentes de solidité cette extrémité avant 40 est de petite longueur et la tige de commande 32 présente dans l'ensemble un diamètre supérieur. Un renflement annulaire 41 est prévu à distance de l'extrémité avant afin de former, à l'opposé de ladite extrémité avant 40, un épaulement d'appui pour un ressort 43.The control rod 32 is as shown in Figures 1 and 2 in several parts. Its front end 40 is of very small diameter in order to position itself, in the position of locking of the locking device according to the invention, in the middle of the balls 34 and thus pushing them towards the outside of the spindle 31, as visible in FIG. 3. For obvious reasons of solidity, this front end 40 is small length and the control rod 32 has a larger diameter overall. An annular bulge 41 is provided at a distance from the front end in order to form, opposite said front end 40, a bearing shoulder for a spring 43.

Enfin, l'extrémité arrière 44 de la tige de commande 32 est conformée afin de faciliter sa préhension. Une zone de marquage 45 portant, soit des empreintes, soit de la peinture, dont l'utilité sera exposée plus loin, est également prévue près de ladite extrémité arrière 44.Finally, the rear end 44 of the control rod 32 is shaped in order to facilitate its gripping. A marking area 45 carrying either imprints or paint, the usefulness of which will be explained below, is also provided near said rear end 44.

Comme visible sur les figures 1 et 2, ladite tige de commande 32 coulisse à l'intérieur de la broche 31 dans un alésage étagé de celle-ci dont le diamètre est semblable à celui de ladite tige 32. La partie 46, débouchant à l'arrière de ladite partie mobile 30 dudit alésage a un diamètre égal à celui du renflement annulaire 41 afin de pouvoir renfermer ledit renflement annulaire 41 ainsi que la portion de la tige 32 entourée du ressort 43. Un bouchon 39 est rendu solidaire de la partie 30 par tout moyen connu (vissage, soudage, encliquetage...) afin de fermer en partie ladite partie 46 débouchant à l'arrière et de créer un appui pour l'extrémité arrière du ressort 43 tout en permettant le passage vers l'extérieur de la tige 32. Le ressort 43 tend alors à toujours pousser la tige de commande 32 de manière à ce que son extrémité avant soit au milieu des billes 34.As shown in Figures 1 and 2, said control rod 32 slides inside the pin 31 in a stepped bore thereof whose diameter is similar to that of said rod 32. The part 46, opening at the 'rear of said movable part 30 of said bore has a diameter equal to that of the annular bulge 41 in order to be able to enclose said annular bulge 41 as well as the portion of the rod 32 surrounded by the spring 43. A plug 39 is made integral with the part 30 by any known means (screwing, welding, snap-fitting, etc.) in order to partially close said part 46 opening out at the rear and to create a support for the rear end of the spring 43 while allowing passage to the outside of the rod 32. The spring 43 then tends to always push the control rod 32 so that its front end is in the middle of the balls 34.

Les dimensions axiales de la tige de commande 32 et de l'alésage interne de la partie mobile 30 du dispositif, ainsi que le ressort 43 sont prévus de manière telle que la tige de commande 32 puisse être entraînée vers l'arrière sur une distance suffisante pour que l'extrémité avant 40 de celle-ci ne soit plus positionnée au contact des billes. Dans cette position reculée de la tige de commande 32 représentée à la figure 2, les billes 34 sont alors libres de rentrer dans les orifices 35.The axial dimensions of the control rod 32 and of the internal bore of the movable part 30 of the device, as well as the spring 43 are provided in such a way that the control rod 32 can be driven rearward over a sufficient distance so that the front end 40 thereof is no longer positioned in contact with the balls. In this remote position of the control rod 32 shown in FIG. 2, the balls 34 are then free to enter the orifices 35.

La partie mobile 30 du dispositif selon l'invention comporte également, comme déjà évoqué plus haut, un tiroir 33 coulissant sur la surface externe de la broche 31. Ce tiroir 33 est de longueur suffisante pour pouvoir être disposé devant les ouvertures radiales 35 de la broche afin d'empêcher les billes 34 d'en sortir.The mobile part 30 of the device according to the invention also comprises, as already mentioned above, a drawer 33 sliding on the external surface of the spindle 31. This drawer 33 is of sufficient length to be able to be placed in front of the radial openings 35 of the pin to prevent the balls 34 from coming out.

Le tiroir 33 est prolongé en direction du renflement annulaire 37 par des pattes 47 dont les extrémités présentent chacune un renflement radial dirigé vers l'axe qui s'applique sur la portion 36 de diamètre plus faible de la broche 31.The slide 33 is extended in the direction of the annular bulge 37 by lugs 47 whose ends each have a radial bulge directed towards the axis which is applied to the portion 36 of smaller diameter of the spindle 31.

Le tiroir 33 peut ainsi être déplacé entre une première position pour laquelle les extrémités des pattes 47 sont proches du renflement annulaire 37 et une seconde position pour laquelle les renflements radiaux desdites pattes sont contre l'épaulement séparant la partie courante de la broche 31 de la portion 36 de diamètre plus faible. Ces positions correspondent, comme visible aux figures 1 et 2, aux positions de verrouillage et de déverrouillage du dispositif selon l'invention. Dans la position de verrouillage, le tiroir 33 est maintenu reculé par l'extrémité du fût 20. Un ressort 48 assure le rappel du tiroir 33 dans sa seconde position éloignée du renflement annulaire 37. Ce ressort est, dans l'exemple représenté, disposé autour des pattes 47 entre un épaulement radial du tiroir 33 et ledit renflement annulaire 37 de la broche 31.The drawer 33 can thus be moved between a first position for which the ends of the legs 47 are close to the annular bulge 37 and a second position for which the radial bulges of said legs are against the shoulder separating the current part of the pin 31 from the portion 36 of smaller diameter. These positions correspond, as visible in FIGS. 1 and 2, to the locking and unlocking positions of the device according to the invention. In the locked position, the drawer 33 is kept retracted by the end of the barrel 20. A spring 48 recalls the drawer 33 in its second position away from the annular bulge 37. This spring is, in the example shown, arranged around the tabs 47 between a radial shoulder of the slide 33 and said annular bulge 37 of the pin 31.

La position relative des portions fixe 10 et mobile 12 du connecteur est assurée par la mise en place dans ladite portion mobile 12 d'une bague 13 présentant une rainure 14 dans laquelle peut coulisser l'ergot 24 que présente la surface externe du fût 20.The relative position of the fixed 10 and movable 12 portions of the connector is ensured by the installation in said movable portion 12 of a ring 13 having a groove 14 in which the lug 24 which the external surface of the barrel 20 can slide.

En variante, cette rainure 14 pourrait être réalisée directement sur la partie 12 du connecteur sans nécessiter de bague 13.As a variant, this groove 14 could be produced directly on the part 12 of the connector without requiring a ring 13.

La partie 30 est enfilée dans l'alésage de la portion mobile 12 du connecteur et y est maintenue en place par tout moyen connu, ici un circlips 15.The part 30 is threaded into the bore of the movable portion 12 of the connector and is held there by any known means, here a circlip 15.

Le dispositif étant maintenant décrit, nous allons en expliquer le fonctionnement.The device is now described, we will explain how it works.

A la figure 1, le dispositif selon l'invention est représenté verrouillé, la broche 31 s'étend à l'intérieur du fût 20 et les billes s'étendent pour partie dans les ouvertures 35 de la broche 31 et pour partie dans la rainure circonférentielle 25 dudit fût. Le tiroir 33 est dans sa position pour laquelle les extrémités de ses pattes 47 sont proches du renflement annulaire 37. La tige de commande 32 est en appui par le renflement annulaire 41 contre le fond de l'alésage 46 et est maintenue dans cette position par le ressort 43; l'extrémité avant 40 de ladite tige de commande est ainsi positionnée au milieu des billes 34 ce qui les force vers la rainure circonférentielle 25 du fût 20.In Figure 1, the device according to the invention is shown locked, the pin 31 extends inside the barrel 20 and the balls extend partly in the openings 35 of the pin 31 and partly in the groove circumferential 25 of said barrel. The drawer 33 is in its position for which the ends of its legs 47 are close to the annular bulge 37. The control rod 32 is supported by the annular bulge 41 against the bottom of the bore 46 and is held in this position by the spring 43; the front end 40 of said control rod is thus positioned in the middle of the balls 34 which forces them towards the circumferential groove 25 of the barrel 20.

Lorsque l'on désire déverrouiller le connecteur, il suffit de tirer la tige de commande vers l'arrière en agissant sur son extrémité 44.When it is desired to unlock the connector, it suffices to pull the control rod backwards by acting on its end 44.

Cette action assure le retrait de l'extrémité avant 40 jusqu'à une position pour laquelle elle n'agit plus sur les billes 34 qui peuvent alors rentrer dans les ouvertures 35.This action ensures the withdrawal of the front end 40 to a position for which it no longer acts on the balls 34 which can then enter the openings 35.

L'action conjuguée du ressort 43 qui, en appui sur le renflement annulaire 41 de la tige de commande 32, pousse la portion 30 par l'intermédiaire du bouchon 39 vers l'arrière et du ressort 48 qui, en appui sur le renflement annulaire 37, repousse le tiroir 33 contre l'extrémité du fût 20 ce qui, par réaction, pousse également la portion 30, permet un dégagement de la broche 31 du fût 20.The combined action of the spring 43 which, pressing on the annular bulge 41 of the control rod 32, pushes the portion 30 by means of the plug 39 towards the rear and of the spring 48 which, pressing on the annular bulge 37, pushes the drawer 33 against the end of the barrel 20 which, by reaction, also pushes the portion 30, allows disengagement of the pin 31 of the barrel 20.

A mesure que l'on retire la broche 31, le tiroir 33 est poussé vers l'avant par le ressort 48 jusqu'à être positionné autour des billes 34 afin de ne pas perdre celles-ci.As the spindle 31 is removed, the slide 33 is pushed forward by the spring 48 until it is positioned around the balls 34 so as not to lose them.

Comme visible à la figure 2, pour cette position déverrouillée, la zone de marquage 45 est sortie du bouchon 39 et permet à l'utilisateur de savoir aisément d'un simple coup d'oeil l'état du connecteur.As can be seen in FIG. 2, for this unlocked position, the marking zone 45 has come out of the plug 39 and allows the user to easily know at a glance the state of the connector.

Comme on aura pu le comprendre, lors du verrouillage du connecteur, on enfile la broche 31 dans le fût en prenant soin de bien positionner la rainure 14 de la partie mobile 12 en concordance avec l'ergot 24. L'extrémité du fût 20 pousse sur le tiroir 33 et l'on poursuit l'insertion jusqu'à ce que les ouvertures 35, dans lesquelles sont les billes 34, soient en face de la rainure 25 du fût.As we could understand, when locking the connector, we thread the pin 31 into the barrel, taking care to properly position the groove 14 of the movable part 12 in accordance with the lug 24. The end of the barrel 20 pushes on the drawer 33 and the insertion is continued until the openings 35, in which the balls 34 are located, are opposite the groove 25 of the barrel.

La tige de commande 32 peut alors se déplacer vers l'avant sous la poussée du ressort 43 et son extrémité avant 40 vient se placer au milieu desdites billes 34 afin d'assurer le verrouillage.The control rod 32 can then move forward under the thrust of the spring 43 and its front end 40 is placed in the middle of said balls 34 in order to ensure locking.

La mise en oeuvre du dispositif de verrouillage selon l'invention dans lequel les billes 34 sont logées dans la broche 31 permet un gain de place tout à fait appréciable tant en diamètre qu'en longueur par rapport aux dispositifs connus. Le dispositif selon l'invention est en effet en diamètre à peu près de la dimension du fût et pourrait même ne pas dépasser cette dimension si l'on prévoyait la noix 22 et l'ergot 24 sous une forme différente, par exemple des méplats, puisque le tiroir est placé autour de la broche en vis-à-vis du fût et non autour de celui-ci.The implementation of the locking device according to the invention in which the balls 34 are housed in the spindle 31 allows a saving of space quite appreciable both in diameter and in length compared to known devices. The device according to the invention is indeed in diameter approximately the size of the barrel and could not even exceed this dimension if the nut 22 and the lug 24 were provided in a different form, for example flats, since the drawer is placed around the spindle opposite the barrel and not around it.

En longueur, ledit dispositif est beaucoup moins encombrant et surtout il dépasse très peu de la portion mobile 12 du connecteur : seule l'extrémité 44 de la tige de commande est nécessaire à l'extrémité dudit connecteur.In length, said device is much less bulky and above all it protrudes very little from the movable portion 12 of the connector: only the end 44 of the control rod is necessary at the end of said connector.

De plus, le dispositif selon l'invention est d'une mise en oeuvre simplifiée car l'extrémité de la broche 31 est enfilée dans le fût lors de la connexion ce qui est plus aisé que lorsque l'on doit enfiler un fût autour d'une broche comme cela est usuellement fait.In addition, the device according to the invention is of a simplified implementation because the end of the pin 31 is threaded into the barrel during connection which is easier than when you have to thread a barrel around a spindle as is usually done.

Enfin le maintien des billes est réalisé par le seul tiroir 33 du fait que celles-ci n'ont qu'une seule issue possible: vers l'extérieur.Finally the maintenance of the balls is achieved by the single drawer 33 because they have only one possible outlet: outwards.

La présente invention n'est pas limitée aux dispositions décrites et représentées mais englobe toute variante.The present invention is not limited to the arrangements described and shown but encompasses any variant.

On ne sortirait pas du cadre de l'invention en mettant en oeuvre des rouleaux à la place des billes comme cela est souvent prévu dans les dispositifs de verrouillage. De même les éléments d'indexation ergot 24 et rainure 14 pourraient être le premier sur la broche sous la forme d'une clavette ou d'un méplat et la deuxième sur le fût.It would not be departing from the scope of the invention to use rollers in place of the balls as is often provided in the locking devices. Similarly, the indexing elements lug 24 and groove 14 could be the first on the spindle in the form of a key or a flat and the second on the barrel.

Le dispositif selon l'invention présente encore l'avantage de pouvoir être mis en oeuvre comme accouplement de sécurité. On peut en effet le disposer entre deux pièces en attelant la seconde à l'extrémité 44 de la tige de commande 32. Si un effort trop important apparaît entre les deux pièces, la tige de commande 32 est tirée vers l'arrière ce qui assure le déverrouillage du dispositif et le largage de la deuxième pièce.The device according to the invention also has the advantage of being able to be used as a safety coupling. It can indeed be placed between two parts by coupling the second to the end 44 of the control rod 32. If an excessive force appears between the two parts, the control rod 32 is pulled backwards which ensures unlocking the device and releasing the second part.

Claims (10)

  1. A connector locking device, of the type including a body (20) generally in the form of a hollow cylinder carried by a first portion (10) of the connector, a pin (31) carried by a second portion (12) of the connector and a locking means which is movable between a first and a second position for which the body (20) and the pin (31) are connected together or free, characterised in that:
    - the locking means is positioned in openings (35) of the pin (31) and movable between a first position for which it is partially outside the openings (35) and a second position for which it is entirely within the openings (35),
    - the pin (31) has internally a control rod (32) and externally an axially movable slide (33),
    - the body (20) has a housing in which is located the portion of the locking means extending outside the openings (35).
  2. A device according to Claim 1, characterised in that the control rod (32) is shaped with a forward end (40) of small diameter moving in a bore of the pin (31) in order to be positioned so as to push the locking means towards the outside of the openings (35).
  3. A device according to Claim 1 or 2, characterised in that the control rod (32) has an annular boss (41) against which bears a spring (43) tending to push the control rod (32) such that its forward end (40) pushes on the locking means.
  4. A device according to Claim 3, characterised in that the rear of the spring (43) bears on a plug (39) closing the opening portion (46) of the bore of the pin (31).
  5. A device according to any one of the preceding claims, characterised in that the control rod (32) extends beyond the pin (31) and in that the rear projecting end (44) is shaped so as to facilitate the gripping of the control rod (32).
  6. A device according to any one of the preceding claims, characterised in that the slide (33) has tabs (47) of which the ends have internally directed radial enlargements which are applied against the external surface of the pin (31).
  7. A device according to Claim 6, characterised in that the slide (33) is movable between a first position for which the ends of the tabs (47) are close to an annular boss (37) of the pin (31) and a second position for which the radial enlargements of the tabs (47) are against a shoulder, also of the pin, at a distance from the annular boss (37) and in that a spring (48) returns the slide (33) towards the second position.
  8. A device according to Claim 7, characterised in that in the second position, the slide (33) is disposed in front of the openings (35) in order to hold the locking means completely within the openings (35).
  9. A device according to any one of Claims 5 to 8, characterised in that the unlocking is effected by pulling the control rod (32) by its rear end (44) in the direction tending to remove it from the pin (31).
  10. A device according to any one of the preceding claims, characterised in that the locking means is formed by balls (34) disposed in radial openings (35) of the pin (31) and in that the housing provided by the body (20) is a circumferential groove (25) on its internal surface.
EP91402102A 1990-08-14 1991-07-26 Connector locking device Expired - Lifetime EP0471603B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9010360A FR2665985B1 (en) 1990-08-14 1990-08-14 DEVICE FOR LOCKING A CONNECTOR.
FR9010360 1990-08-14

Publications (2)

Publication Number Publication Date
EP0471603A1 EP0471603A1 (en) 1992-02-19
EP0471603B1 true EP0471603B1 (en) 1994-10-19

Family

ID=9399675

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91402102A Expired - Lifetime EP0471603B1 (en) 1990-08-14 1991-07-26 Connector locking device

Country Status (5)

Country Link
EP (1) EP0471603B1 (en)
AT (1) ATE113143T1 (en)
CA (1) CA2048310C (en)
DE (1) DE69104670T2 (en)
FR (1) FR2665985B1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5800197A (en) * 1996-10-18 1998-09-01 Itt Manufacturing Enterprises, Inc. Connector system with quick coupling/decoupling
US20090291576A1 (en) 2008-05-23 2009-11-26 Sony Ericsson Mobile Communications Ab Connector
JP6629614B2 (en) * 2016-02-02 2020-01-15 ファナック株式会社 Work clamp device and processing system equipped with work clamp device
JP2019042924A (en) * 2018-12-06 2019-03-22 ファナック株式会社 Workpiece clamping device, and processing system having workpiece clamping device
CN112038838B (en) * 2020-09-29 2022-03-29 中航光电科技股份有限公司 Locking structure for improving vibration resistance of steel ball locking type separation connector and connector

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3631377A (en) * 1970-04-01 1971-12-28 Deutsch Co Elec Comp Coupling
US4907981A (en) * 1988-11-15 1990-03-13 Amphenol Corporation Quick-release electrical connector coupling device

Also Published As

Publication number Publication date
DE69104670T2 (en) 1995-06-14
ATE113143T1 (en) 1994-11-15
DE69104670D1 (en) 1994-11-24
EP0471603A1 (en) 1992-02-19
FR2665985A1 (en) 1992-02-21
CA2048310C (en) 2001-12-25
FR2665985B1 (en) 1992-12-04
CA2048310A1 (en) 1992-02-15

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