EP0246934B1 - Electrical connector - Google Patents

Electrical connector Download PDF

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Publication number
EP0246934B1
EP0246934B1 EP87400815A EP87400815A EP0246934B1 EP 0246934 B1 EP0246934 B1 EP 0246934B1 EP 87400815 A EP87400815 A EP 87400815A EP 87400815 A EP87400815 A EP 87400815A EP 0246934 B1 EP0246934 B1 EP 0246934B1
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EP
European Patent Office
Prior art keywords
connector
ring
catches
assembly
alignment
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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EP87400815A
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German (de)
French (fr)
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EP0246934A1 (en
Inventor
Pierre Louis Marie Drogo
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Individual
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Individual
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Priority to AT87400815T priority Critical patent/ATE68057T1/en
Publication of EP0246934A1 publication Critical patent/EP0246934A1/en
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Publication of EP0246934B1 publication Critical patent/EP0246934B1/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
    • H01R13/622—Screw-ring or screw-casing

Definitions

  • the invention relates to an electrical connector.
  • the electrical connectors generally consist of a base and a plug on which a lock is mounted for free rotation.
  • the plug and the base each consist of a metal body of generally cylindrical shape, inside which is housed an insert of insulating material receiving the male or female connection pins.
  • the plug body and the base body are each provided with complementary longitudinal grooves intended to ensure the angular positioning of the plug relative to the base, during their assembly, and so that each male pin is assembled with its pin. corresponding female.
  • the assembly of the plug on the base is obtained by screwing a thread, provided on the internal face of the lock, with a complementary thread provided on the external face of the base.
  • this known embodiment if it is effective in preventing untimely unscrewing of the lock, nevertheless has various drawbacks and, in particular, the operation of the lock is unpleasant because the notches act throughout the duration of rotation of the lock on the plug. Furthermore, because this notching exists during the entire duration of rotation of the lock, the locking position is poorly defined as a result of too many lock latching positions, so that the operator can stop the screwing the lock while the plug is not fully inserted into the base or, on the contrary, force the screwing of this lock while the plug is already fully pressed on the base.
  • the present invention aims in particular to remedy these drawbacks and for this purpose relates to an electrical connector comprising a socket and a plug consisting of a socket body and a plug body each receiving an insert of insulating material provided , one of male pins, the other of female connection pins, complementary grooves and ribs on the plug and socket bodies to position them angularly during their assembly by axial displacement, a lock mounted to rotate on a shoulder of the plug body, this lock being provided with a thread which engages, during assembly of the connector, on a corresponding thread of the base body, the plug body and the lock further comprising, one a circular alignment of notches, the other an axially movable ring provided with at least one complementary notch called finger oriented towards the alignment of notches, elastic means being provided to cooperate with the ring and maintain, in the position of non-assembly of the connector, the finger separated from the alignment of notches, this ring and these elastic means being disposed on the path of the base body in order to push elastically, at
  • the ring is arranged axially between two elastic means.
  • the alignment of notches is provided on an internal rim of the lock, while the ring and the elastic means are arranged on the plug body so that the base body can push the finger towards the notches at the end of assembly of the connector.
  • the alignment of the notches provided on the internal rim of the lock, on the one hand, and the ring as well as the elastic means mounted on the plug body, on the other hand are arranged to on either side of the shoulder of the plug body, the finger being permanently held in a notch in the shoulder of the plug body.
  • the alignment of notches on the one hand, and the finger on the other hand are provided facing one another, one on the shoulder of the plug body , the other on an axially movable ring provided on the latch between two elastic means to be located on the path of the base body during assembly of the connector.
  • the present invention therefore aims to achieve a connector which is maneuverable, which allows to highlight the position connector assembly and which also makes it possible to avoid separation of the two parts of the connector when they are subjected to vibrations.
  • the connector comprises a base 1 and a plug 2.
  • the base and the plug each comprise a base body 3 and a plug body 4, preferably metallic, to the 'inside which is housed an insert of insulating material, respectively 5 and 6, these inserts receiving, one the male pins 7, the other the female pins 8 for connection.
  • the plug body 4 has a shoulder 9 against which is freely rotatable a lock 10 provided with an internal thread 101 cooperating with a thread 31 provided on the base body 3.
  • the latch 10 is supported on the shoulder 9 by means of an insert 102 fixed by screwing, crimping or any other means to the latch.
  • the latch 10 is held on the plug body 4 between the shoulder 9 and a split elastic washer 11 housed in a groove.
  • This insert 102 fixed to the lock 10 is made of hard metal and has a circular alignment of notches 12. Furthermore, the plug body 4 has a ring 13 (see also FIG. 5) which is provided with three fingers 14 oriented towards the circular alignment of notches 12.
  • the fingers 14 are each housed in free sliding in a notch 91 of the shoulder 9, so that the end of these fingers can be received between the notches of the alignment of notches 12.
  • the ring 13 is disposed between two corrugated spring metal washers 15 and 16, one 15 being disposed between the ring 13 and the shoulder 9, the other 16 being disposed between the ring 13 and a second ring 17 (see also figure 4).
  • the plug body 4 has on its outer face, longitudinal ribs 18 which correspond to grooves 19 formed on the internal wall of the plug body 3, these grooves and ribs forming keying grooves allowing the axial assembly of the body of plug 4 on the base body 3, in a single angular position, for which each male pin 7 is arranged in the axis of its female pin 8.
  • these include notches 20 corresponding in number, position and dimensions to those of the ribs 18.
  • the offset of the fingers 14 and the notches 20 of the ring 13, will be different from the offset of the notches 91 and the ribs 18, in order to avoid surely that the notches 20 can return to be placed in the alignment of the ribs 18 when the fingers 14 are arranged in the notches 91 of the shoulder 9.
  • the spring washer 15 is preferably of a weaker force than that of the washer 16.
  • the stack of rings and washers 13, 15, 16, 17 which projects outside the grooves 18, is disposed on the path of the base body 3 during assembly of the connector.
  • the ribs 18 are first introduced into the grooves 19 then the plug body moves axially towards the base body, while the 101 thread of the latch 10 cooperates with the thread 31 of the base body 3.
  • the male pins 7 penetrate into the female pins 8 then the free end of the base body 3 comes to bear on the ring 17 for push the assembly of the two rings 16, 17 and the two washers 15, 16 towards the shoulder 9 so as to slide the fingers 14 in the notches 91 towards the notches 12.
  • the washer 15 compresses since it has a lower elastic force than that of the washer 16 and then at the end of screwing the lock on the base body , the end of the fingers 14 penetrates between the notches of the alignment of notches 12, so that the final rotation of the latch 10 to produce the end of the screwing and the end of the assembly of the plug on the connector, is felt by the operator both mechanically and auditively.
  • the dimensions of the notches, fingers and springs may, for example, be determined to produce, at the end of assembly, four mechanical and sound clicks of increasing force thus perfectly demonstrating the correct assembly of the connector, the cooperation of the fingers and notches making it possible, moreover, to avoid the inadvertent unscrewing of the lock 10 during vibrations and, therefore, the separation of the plug and the base.
  • the plug body and the lock comprise, one an alignment of notches, the other at least one finger.
  • notch and “finger” are only used for reasons of language terminology because the notches and the fingers can be replaced by each other, this connector can also implement two alignments circular notches.
  • the ring 13 may include an outer ring provided with notches, capable of passing over the shoulder 9 in order to come to engage on the fingers (or notches) 12 In this case, this axially movable ring 13 will be immobilized in rotation by complementary ribs and grooves provided on the plug body.
  • the ring 13 axially movable is mounted on the plug body, while the circular alignment of notches (or fingers) is provided on the latch.
  • a reverse construction may however be provided as shown in FIG. 3.
  • the shoulder 9 of the base comprises fingers or a circular alignment of notches 21 arranged opposite a circular alignment of notches (or fingers) 22, provided facing a ring 23.
  • This ring 23 has, at its periphery, notches which are housed on grooves 24 provided on the internal face of the lock 10 so that this ring 23 can move axially relative to the lock, while being immobilized in rotation.
  • the latch 10 has an internal end flange 25 which is attached and fixed, for example by screwing, in order to allow the establishment of the ring 23 on the grooves 24.
  • the ring 23 is disposed between two elastic means constituted, in this example, by a coil spring 26 disposed between the shoulder 9 and the ring 23 and by a corrugated washer made of spring steel 27 disposed between the ring 23 and a second ring 28 intended to receive, in support, the end of the base body 3.
  • This second ring 27 can be mounted either on the latch 10 like the ring 23, or on the plug body 4 like the ring 17 in the example of Figures 1 and 2.
  • this connector is similar to that of FIGS. 1 and 2 and it can be seen that, when the bolt 10 is screwed in order to push the plug body 4 axially into the socket body 3 and electrically connect the male and female pins , the end of the base body 3 comes to bear on the ring 27 in order to push the ring 23 first, towards the shoulder 9, against the spring 26.
  • the return spring 26, which is weaker than the spring 27, is compressed, the fingers and notches 21 and 22 engage with each other at the end of the assembly of the connector and the rotation of the latch 10 then continues while producing clicks mechanical and sound increasing as a function of the compression of the spring 27 by the base 3.

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

Abstract

Electrical connector characterized in that the plug body (4) and the coupling nut (10) comprise in one case a circular alignment of catches (12), and in the other an axially movable ring (13) provided with at least one complementary catch referred to as a dog (14) oriented towards the alignment of catches, elastic means (15, 16) being provided to co-operate with the ring (13) and, in a position of nonassembly of the connector, to maintain the dog apart from the alignment of catches, the ring and the elastic means being disposed in the path of the body of the coupling connector (3) so that the coupling connector body pushes the dog resiliently between the catches when assembly of the connector is completed.

Description

L'invention concerne un connecteur électrique.The invention relates to an electrical connector.

Les connecteurs électriques se composent, d'une manière générale, d'une embase et d'une fiche sur laquelle est monté à libre rotation un verrou.The electrical connectors generally consist of a base and a plug on which a lock is mounted for free rotation.

La fiche et l'embase se composent chacune d'un corps métallique de forme générale cylindrique, à l'intérieur duquel est logé un insert en matériau isolant recevant les broches mâles ou femelles de connexion. Le corps de fiche et le corps d'embase sont chacun pourvus de rainures longitudinales complémentaires destinées à assurer le positionnement angulaire de la fiche par rapport à l'embase, lors de leur assemblage, et afin que chaque broche mâle s'assemble avec sa broche femelle correspondante.The plug and the base each consist of a metal body of generally cylindrical shape, inside which is housed an insert of insulating material receiving the male or female connection pins. The plug body and the base body are each provided with complementary longitudinal grooves intended to ensure the angular positioning of the plug relative to the base, during their assembly, and so that each male pin is assembled with its pin. corresponding female.

L'assemblage de la fiche sur l'embase est obtenue par le vissage d'un filetage, prévu sur la face interne du verrou, avec un filetage complémentaire prévu sur la face externe de l'embase.The assembly of the plug on the base is obtained by screwing a thread, provided on the internal face of the lock, with a complementary thread provided on the external face of the base.

L'un des inconvénients de ces connecteurs réside dans le fait que le verrou peut se dévisser de l'embase lorsque le connecteur est soumis à des vibrations, ce qui entraîne la séparation accidentelle de la fiche.One of the drawbacks of these connectors lies in the fact that the lock can be unscrewed from the base when the connector is subjected to vibrations, which leads to the accidental separation of the plug.

Pour remédier à ces inconvénients, on a alors prévu, dans ces connecteurs connus, un dispositif de crantage élastique entre le verrou et le corps de fiche, de façon que ces crans freinent la rotation du verrou sur la fiche et empêchent ainsi leur dévissage.To overcome these drawbacks, provision has been made in these known connectors for an elastic notching device between the latch and the body of plug, so that these notches slow down the rotation of the lock on the plug and thus prevent their unscrewing.

Cependant, cette réalisation connue, si elle est efficace pour éviter le dévissage intempestif du verrou, présente néanmoins divers inconvénients et, notamment, la manoeuvre du verrou est désagréable du fait que les crans agissent pendant toute la durée de rotation du verrou sur la fiche. Par ailleurs, du fait que ce crantage existe pendant toute la durée de rotation du verrou, la position de verrouillage est mal définie par suite d'un nombre trop grand de positions d'encliquetage du verrou, si bien que l'opérateur peut arrêter le vissage du verrou alors que la fiche n'est pas complètement enfoncée dans l'embase ou, au contraire, forcer le vissage de ce verrou alors que la fiche est déjà complètement enfoncée sur l'embase.However, this known embodiment, if it is effective in preventing untimely unscrewing of the lock, nevertheless has various drawbacks and, in particular, the operation of the lock is unpleasant because the notches act throughout the duration of rotation of the lock on the plug. Furthermore, because this notching exists during the entire duration of rotation of the lock, the locking position is poorly defined as a result of too many lock latching positions, so that the operator can stop the screwing the lock while the plug is not fully inserted into the base or, on the contrary, force the screwing of this lock while the plug is already fully pressed on the base.

D'autres connecteurs ont alors été mis au point, dans lesquels les crans sont théoriquement prévus pour ne coopérer l'un avec l'autre qu'à la fin de la position d'assemblage du connecteur. Cependant, ces réalisations ne sont pas non plus satisfaisantes car pratiquement les crans ont également la possibilité de coopérer l'un avec l'autre quelle que soit la position du connecteur et même si les deux parties du connecteur sont séparées l'une de l'autre. On retrouve donc dans ce cas les mêmes inconvénients que précédemment et, en outre, cela conduit en général à la réalisation de crans peu prononcés pour éviter le blocage du connecteur en position non assemblée.Other connectors have then been developed, in which the notches are theoretically provided for cooperating with each other only at the end of the connector assembly position. However, these embodiments are also not satisfactory because practically the notches also have the possibility of cooperating with each other whatever the position of the connector and even if the two parts of the connector are separated from one another. other. There are therefore in this case the same drawbacks as above and, moreover, this generally leads to the production of not very pronounced notches to avoid blocking of the connector in the unassembled position.

Une telle réalisation est, par exemple, décrite dans le brevet français No 2 448 794.Such an embodiment is, for example, described in French Patent No. 2,448,794.

Egalement, suivant les brevets américains No 2 786 396 et No 4 534 607, il est prévu une bague mobile librement sur la fiche, respectivement sur le verrou, mais cette bague coopère pratiquement avec l'élément cranté en regard, même lorsque la fiche n'est pas connectée à l'embase, si bien que l'on ne peut jamais être certain que l'assemblage du connecteur est correct.Also, according to U.S. Patents No. 2,786,396 and No. 4,534,607, there is provided a movable ring freely on the plug, respectively on the latch, but practically this ring cooperates with the toothed element facing each other, even when the plug is not connected to the header, so you can never be sure that the connector assembly is correct.

La présente invention a notamment pour but de remédier à ces inconvénients et concerne à cet effet un connecteur électrique comportant une embase et une fiche se composant d'un corps d'embase et d'un corps de fiche recevant chacun un insert en matériau isolant pourvus, l'un de broches mâles, l'autre de broches femelles de connexion, des rainures et nervures complémentaires sur les corps de fiche et d'embase pour les positionner angulairement lors de leur assemblage par déplacement axial, un verrou monté à rotation sur un épaulement du corps de fiche, ce verrou étant pourvu d'un filetage venant en prise, lors de l'assemblage du connecteur, sur un filetage correspondant du corps d'embase, le corps de fiche et le verrou comportant en outre, l'un un alignement circulaire de crans, l'autre une bague mobile axialement pourvue d'au moins un cran complémentaire dénommé doigt orienté vers l'alignement de crans, des moyens élastiques étant prévus pour coopérer avec la bague et maintenir, en position de non-assemblage du connecteur, le doigt écarté de l'alignement de crans, cette bague et ces moyens élastiques étant disposés sur le trajet du corps d'embase afin de repousser élastiquement, en fin d'assemblage, le doigt entre les crans.The present invention aims in particular to remedy these drawbacks and for this purpose relates to an electrical connector comprising a socket and a plug consisting of a socket body and a plug body each receiving an insert of insulating material provided , one of male pins, the other of female connection pins, complementary grooves and ribs on the plug and socket bodies to position them angularly during their assembly by axial displacement, a lock mounted to rotate on a shoulder of the plug body, this lock being provided with a thread which engages, during assembly of the connector, on a corresponding thread of the base body, the plug body and the lock further comprising, one a circular alignment of notches, the other an axially movable ring provided with at least one complementary notch called finger oriented towards the alignment of notches, elastic means being provided to cooperate with the ring and maintain, in the position of non-assembly of the connector, the finger separated from the alignment of notches, this ring and these elastic means being disposed on the path of the base body in order to push elastically, at the end of assembly, the finger between the notches.

Suivant une autre caractéristique de l'invention, la bague est disposée axialement entre deux moyens élastiques.According to another characteristic of the invention, the ring is arranged axially between two elastic means.

Suivant une autre caractéristique de l'invention, l'alignement de crans est prévu sur un rebord interne du verrou, tandis que la bague et les moyens élastiques sont disposés sur le corps de fiche de façon que le corps d'embase puisse repousser le doigt vers les crans en fin d'assemblage du connecteur.According to another characteristic of the invention, the alignment of notches is provided on an internal rim of the lock, while the ring and the elastic means are arranged on the plug body so that the base body can push the finger towards the notches at the end of assembly of the connector.

Suivant une autre caractéristique de l'invention, l'alignement des crans prévus sur le rebord interne du verrou, d'une part, et la bague ainsi que les moyens élastiques montés sur le corps de fiche, d'autre part, sont disposés de part et d'autre de l'épaulement du corps de fiche, le doigt étant en permanence maintenu dans une encoche de l'épaulement du corps de fiche.According to another characteristic of the invention, the alignment of the notches provided on the internal rim of the lock, on the one hand, and the ring as well as the elastic means mounted on the plug body, on the other hand, are arranged to on either side of the shoulder of the plug body, the finger being permanently held in a notch in the shoulder of the plug body.

Suivant une autre caractéristique de l'invention, l'alignement de crans d'une part, et le doigt d'autre part, sont prévus en regard l'un de l'autre, l'un sur l'épaulement du corps de fiche, l'autre sur une bague mobile axialement prévue sur le verrou entre deux moyens élastiques pour être située sur le trajet du corps d'embase lors de l'assemblage du connecteur.According to another characteristic of the invention, the alignment of notches on the one hand, and the finger on the other hand, are provided facing one another, one on the shoulder of the plug body , the other on an axially movable ring provided on the latch between two elastic means to be located on the path of the base body during assembly of the connector.

L'invention est représentée à titre d'exemple non limitatif sur les dessins ci-joints dans lesquels :

  • la figure 1 est une vue en demi-coupe axiale, partiellement arrachée, de l'embase et de la fiche d'un connecteur, cette embase et cette fiche étant représentées en position désassemblée ;
  • la figure 2 est une vue en demi-coupe axiale, partiellement arrachée, du connecteur de la figure 1, en position assemblée ;
  • la figure 3 représente, en demi-coupe partiellement arrachée, un autre mode de réalisation du connecteur, ce connecteur étant représenté dans la position du début d'assemblage de la fiche sur l'embase ;
  • les figures 4 et 5 représentent, en perspective, les bagues mises en oeuvre dans le connecteur des figures 1, 2 et 3.
The invention is shown by way of nonlimiting example in the accompanying drawings in which:
  • Figure 1 is an axial half-section view, partially broken away, of the base and the plug of a connector, this base and this plug being shown in disassembled position;
  • Figure 2 is an axial half-section view, partially broken away, of the connector of Figure 1, in the assembled position;
  • Figure 3 shows, in partially cutaway half-section, another embodiment of the connector, this connector being shown in the position of the start of assembly of the plug on the base;
  • FIGS. 4 and 5 represent, in perspective, the rings used in the connector of FIGS. 1, 2 and 3.

La présente invention a en conséquence pour but la réalisation d'un connecteur qui soit de manoeuvre agréable, qui permette de mettre en évidence la position assemblée du connecteur et qui permette également d'éviter la séparation des deux parties du connecteur lorsque celles-ci sont soumises à des vibrations.The present invention therefore aims to achieve a connector which is maneuverable, which allows to highlight the position connector assembly and which also makes it possible to avoid separation of the two parts of the connector when they are subjected to vibrations.

Suivant l'exemple de réalisation des figures 1 et 2, le connecteur comprend une embase 1 et une fiche 2. L'embase et la fiche comprennent chacune un corps d'embase 3 et un corps de fiche 4, de préférence métalliques, à l'intérieur duquel est logé un insert en matériau isolant, respectivement 5 et 6, ces inserts recevant, l'un les broches mâles 7, l'autre les broches femelles 8 de connexion.According to the embodiment of Figures 1 and 2, the connector comprises a base 1 and a plug 2. The base and the plug each comprise a base body 3 and a plug body 4, preferably metallic, to the 'inside which is housed an insert of insulating material, respectively 5 and 6, these inserts receiving, one the male pins 7, the other the female pins 8 for connection.

Le corps de fiche 4 comporte un épaulement 9 contre lequel est monté à libre rotation un verrou 10 pourvu d'un filetage interne 10₁ coopérant avec un filetage 3₁ prévu sur le corps d'embase 3.The plug body 4 has a shoulder 9 against which is freely rotatable a lock 10 provided with an internal thread 10₁ cooperating with a thread 3₁ provided on the base body 3.

Le verrou 10 est en appui sur l'épaulement 9 par l'intermédiaire d'une pièce rapportée 10₂ fixée par vissage, sertissage ou tout autre moyen au verrou. Le verrou 10 est maintenu sur le corps de fiche 4 entre l'épaulement 9 et une rondelle élastique fendue 11 logée dans une rainure.The latch 10 is supported on the shoulder 9 by means of an insert 10₂ fixed by screwing, crimping or any other means to the latch. The latch 10 is held on the plug body 4 between the shoulder 9 and a split elastic washer 11 housed in a groove.

Cette pièce rapportée 10₂ fixée au verrou 10 est réalisée en métal dur et comporte un alignement circulaire de crans 12. Par ailleurs, le corps de fiche 4 comporte une bague 13 (voir également figure 5) qui est pourvue de trois doigts 14 orientés vers l'alignement circulaire de crans 12.This insert 10₂ fixed to the lock 10 is made of hard metal and has a circular alignment of notches 12. Furthermore, the plug body 4 has a ring 13 (see also FIG. 5) which is provided with three fingers 14 oriented towards the circular alignment of notches 12.

Les doigts 14 sont chacun logés à libre coulissement dans une encoche 9₁ de l'épaulement 9, afin que l'extrémité de ces doigts puisse venir se loger entre les crans de l'alignement de crans 12.The fingers 14 are each housed in free sliding in a notch 9₁ of the shoulder 9, so that the end of these fingers can be received between the notches of the alignment of notches 12.

La bague 13 est disposée entre deux rondelles ondulées en métal à ressort 15 et 16, l'une 15 étant disposée entre la bague 13 et l'épaulement 9, l'autre 16 étant disposée entre la bague 13 et une seconde bague 17 (voir également figure 4).The ring 13 is disposed between two corrugated spring metal washers 15 and 16, one 15 being disposed between the ring 13 and the shoulder 9, the other 16 being disposed between the ring 13 and a second ring 17 (see also figure 4).

Le corps de fiche 4 comporte sur sa face externe, des nervures longitudinales 18 qui correspondent à des rainures 19 formées sur la paroi interne du corps de fiche 3, ces rainures et nervures formant des cannelures de détrompage permettant l'assemblage axial, du corps de fiche 4 sur le corps d'embase 3, suivant une seule position angulaire, pour laquelle chaque broche mâle 7 est disposée dans l'axe de sa broche femelle 8.The plug body 4 has on its outer face, longitudinal ribs 18 which correspond to grooves 19 formed on the internal wall of the plug body 3, these grooves and ribs forming keying grooves allowing the axial assembly of the body of plug 4 on the base body 3, in a single angular position, for which each male pin 7 is arranged in the axis of its female pin 8.

Afin de permettre le montage des bagues 13, 17, celles-ci comportent des encoches 20 correspondant en nombre, position et dimensions à ceux des nervures 18. Après mise en place des bagues et des rondelles 15, 16 sur le corps de fiche au-delà des nervures 18, les rondelles 13, 17 sont tournées afin de décaler angulairement les encoches 20 des nervures 18 et éviter ainsi la sortie intempestive de l'empilage de bagues et de rondelles de dessus le corps de fiche.In order to allow the mounting of the rings 13, 17, these include notches 20 corresponding in number, position and dimensions to those of the ribs 18. After the rings and washers 15, 16 have been placed on the plug body beyond the ribs 18, the washers 13, 17 are rotated in order to offset angularly the notches 20 of the ribs 18 and thus avoid the untimely exit of the stack of rings and washers from above the plug body.

Par ailleurs, de préférence, le décalage des doigts 14 et des encoches 20 de la bague 13, sera différent du décalage des encoches 9₁ et des nervures 18, afin d'éviter de manière sûre que les encoches 20 puissent revenir se placer dans l'alignement des nervures 18 lorsque les doigts 14 sont disposés dans les encoches 9₁ de l'épaulement 9.Furthermore, preferably, the offset of the fingers 14 and the notches 20 of the ring 13, will be different from the offset of the notches 9₁ and the ribs 18, in order to avoid surely that the notches 20 can return to be placed in the alignment of the ribs 18 when the fingers 14 are arranged in the notches 9₁ of the shoulder 9.

Egalement, pour des raisons qui seront exposées ci-après, la rondelle ressort 15 est de préférence d'une force plus faible que celle de la rondelle 16.Also, for reasons which will be explained below, the spring washer 15 is preferably of a weaker force than that of the washer 16.

Dans la construction décrite, l'empilage de bagues et rondelles 13, 15, 16, 17 qui fait saillie à l'extérieur des rainures 18, est disposé sur le trajet du corps d'embase 3 lors de l'assemblage du connecteur. Ainsi, lorsque l'on assemble la fiche avec l'embase, les nervures 18 sont tout d'abord introduites dans les rainures 19 puis le corps de fiche se déplace axialement vers le corps d'embase, tandis que le filetage 10₁ du verrou 10 coopère avec le filetage 3₁ du corps d'embase 3. Lors de cette opération de vissage, les broches mâles 7 pénètrent dans les broches femelles 8 puis l'extrémité libre du corps d'embase 3 vient en appui sur la bague 17 pour repousser l'ensemble des deux bagues 16, 17 et des deux rondelles 15, 16 vers l'épaulement 9 afin de faire coulisser les doigts 14 dans les encoches 9₁ vers les crans 12. Lors de ces déplacements des bagues et rondelles, du fait du déplacement axial relatif du corps de fiche et du corps d'embase, la rondelle 15 se comprime étant donné qu'elle est d'une force élastique moindre que celle de la rondelle 16 puis en fin de vissage du verrou sur le corps d'embase, lextrémité des doigts 14 pénètre entre les crans de l'alignement de crans 12, si bien que la rotation finale du verrou 10 pour produire la fin du vissage et la fin de l'assemblage de la fiche sur le connecteur, est ressentie par l'opérateur à la fois mécaniquement et auditivement.In the construction described, the stack of rings and washers 13, 15, 16, 17 which projects outside the grooves 18, is disposed on the path of the base body 3 during assembly of the connector. Thus, when the plug is assembled with the base, the ribs 18 are first introduced into the grooves 19 then the plug body moves axially towards the base body, while the 10₁ thread of the latch 10 cooperates with the thread 3₁ of the base body 3. During this screwing operation, the male pins 7 penetrate into the female pins 8 then the free end of the base body 3 comes to bear on the ring 17 for push the assembly of the two rings 16, 17 and the two washers 15, 16 towards the shoulder 9 so as to slide the fingers 14 in the notches 9₁ towards the notches 12. During these displacements of the rings and washers, due to the relative axial displacement of the plug body and the base body, the washer 15 compresses since it has a lower elastic force than that of the washer 16 and then at the end of screwing the lock on the base body , the end of the fingers 14 penetrates between the notches of the alignment of notches 12, so that the final rotation of the latch 10 to produce the end of the screwing and the end of the assembly of the plug on the connector, is felt by the operator both mechanically and auditively.

En effet, lorsque les doigts 14 pénètrent entre les crans de l'alignement 12, la rotation du verrou 10 ne peut se poursuivre que par extraction des doigts 14 de ces crans, à l'encontre de la rondelle 16, ce qui se traduit par une résistance locale accrue à la rotation du verrou et par un déclic sonore, cette résistance accrue et ce déclic sonore augmentant au fur et à mesure que l'on approche de l'assemblage final, c'est-à-dire au fur et à mesure que la rondelle ressort 16 tend elle-même à être comprimée par l'enfoncement du corps de fiche 4 sur le corps d'embase 3.Indeed, when the fingers 14 penetrate between the notches of the alignment 12, the rotation of the latch 10 can only continue by extraction of the fingers 14 from these notches, against the washer 16, which results in an increased local resistance to the rotation of the lock and by an audible click, this increased resistance and this audible click increasing as one approaches the final assembly, that is to say as as the spring washer 16 itself tends to be compressed by the depression of the plug body 4 on the base body 3.

Les dimensions des crans, doigts et ressorts pourront, par exemple, être déterminées pour produire, en fin d'assemblage, quatre déclics mécaniques et sonores de force croissante mettant ainsi en évidence de manière parfaite l'assemblage correct du connecteur, la coopération des doigts et des crans permettant, en outre, d'éviter le dévissage intempestif du verrou 10 lors de vibrations et, donc, la séparation de la fiche et de l'embase.The dimensions of the notches, fingers and springs may, for example, be determined to produce, at the end of assembly, four mechanical and sound clicks of increasing force thus perfectly demonstrating the correct assembly of the connector, the cooperation of the fingers and notches making it possible, moreover, to avoid the inadvertent unscrewing of the lock 10 during vibrations and, therefore, the separation of the plug and the base.

Dans la présente description, il est indiqué que le corps de fiche et le verrou comportent, l'un un alignement de crans, l'autre au moins un doigt. On notera cependant que les termes différents "cran" et "doigt" sont uniquement utilisés pour des raisons de terminologie de langage car les crans et les doigts peuvent être remplacés l'un par l'autre, ce connecteur pouvant également mettre en oeuvre deux alignements circulaires de crans.In the present description, it is indicated that the plug body and the lock comprise, one an alignment of notches, the other at least one finger. Note however that the different terms "notch" and "finger" are only used for reasons of language terminology because the notches and the fingers can be replaced by each other, this connector can also implement two alignments circular notches.

Ainsi, dans l'exemple des figures 1 et 2, la bague 13 pourra comporter une couronne extérieure pourvue de crans, susceptible de passer au-dessus de l'épaulement 9 afin de venir s'engager sur des doigts (ou des crans) 12. Dans ce cas, cette bague 13 mobile axialement, sera immobilisée en rotation par des nervures et rainures complémentaires prévues sur le corps de fiche.Thus, in the example of Figures 1 and 2, the ring 13 may include an outer ring provided with notches, capable of passing over the shoulder 9 in order to come to engage on the fingers (or notches) 12 In this case, this axially movable ring 13 will be immobilized in rotation by complementary ribs and grooves provided on the plug body.

Egalement, dans l'exemple de réalisation des figures 1 et 2, la bague 13 mobile axialement, est montée sur le corps de fiche, tandis que l'alignement circulaire de crans (ou les doigts) est prévu sur le verrou.Also, in the embodiment of Figures 1 and 2, the ring 13 axially movable, is mounted on the plug body, while the circular alignment of notches (or fingers) is provided on the latch.

Une construction inverse pourra cependant être prévue comme cela est représenté sur la figure 3.A reverse construction may however be provided as shown in FIG. 3.

Dans ce cas, l'épaulement 9 de l'embase comporte des doigts ou un alignement circulaire de crans 21 disposés en regard d'un alignement circulaire de crans (ou de doigts) 22, prévus en regard sur une bague 23.In this case, the shoulder 9 of the base comprises fingers or a circular alignment of notches 21 arranged opposite a circular alignment of notches (or fingers) 22, provided facing a ring 23.

Cette bague 23 comporte à sa périphérie, des encoches venant se loger sur des cannelures 24 prévues sur la face interne du verrou 10 afin que cette bague 23 puisse se déplacer axialement par rapport au verrou, tout en étant immobilisée en rotation. Dans ce cas, et compte tenu du mode de construction adopté, le verrou 10 comporte un rebord interne d'extrémité 25 qui est rapporté et fixé, par exemple par vissage, afin de permettre la mise en place de la bague 23 sur les cannelures 24.This ring 23 has, at its periphery, notches which are housed on grooves 24 provided on the internal face of the lock 10 so that this ring 23 can move axially relative to the lock, while being immobilized in rotation. In this case, and taking into account the construction method adopted, the latch 10 has an internal end flange 25 which is attached and fixed, for example by screwing, in order to allow the establishment of the ring 23 on the grooves 24.

La bague 23 est disposée entre deux moyens élastiques constitués, dans cet exemple, par un ressort à boudins 26 disposé entre l'épaulement 9 et la bague 23 et par une rondelle ondulée en acier à ressort 27 disposée entre la bague 23 et une seconde bague 28 destinée à recevoir, en appui, l'extrémité du corps d'embase 3. Cette seconde bague 27 peut être montée soit sur le verrou 10 comme la bague 23, soit sur le corps de fiche 4 comme la bague 17 dans l'exemple de réalisation des figures 1 et 2.The ring 23 is disposed between two elastic means constituted, in this example, by a coil spring 26 disposed between the shoulder 9 and the ring 23 and by a corrugated washer made of spring steel 27 disposed between the ring 23 and a second ring 28 intended to receive, in support, the end of the base body 3. This second ring 27 can be mounted either on the latch 10 like the ring 23, or on the plug body 4 like the ring 17 in the example of Figures 1 and 2.

Le fonctionnement de ce connecteur est similaire à celui des figures 1 et 2 et l'on constate que, lors du vissage du verrou 10 pour enfoncer axialement le corps de fiche 4 dans le corps d'embase 3 et relier électriquement les broches mâle et femelle, l'extrémité du corps d'embase 3 vient en appui sur la bague 27 afin de repousser tout d'abord la bague 23, vers l'épaulement 9, à l'encontre du ressort 26. Lorsque le ressort de rappel 26, qui est plus faible que le ressort 27, est comprimé, les doigts et crans 21 et 22 viennent en prise l'un avec l'autre à la fin de l'assemblage du connecteur et la rotation du verrou 10 se poursuit alors en produisant des déclics mécaniques et sonores croissant en fonction de la compression du ressort 27 par l'embase 3.The operation of this connector is similar to that of FIGS. 1 and 2 and it can be seen that, when the bolt 10 is screwed in order to push the plug body 4 axially into the socket body 3 and electrically connect the male and female pins , the end of the base body 3 comes to bear on the ring 27 in order to push the ring 23 first, towards the shoulder 9, against the spring 26. When the return spring 26, which is weaker than the spring 27, is compressed, the fingers and notches 21 and 22 engage with each other at the end of the assembly of the connector and the rotation of the latch 10 then continues while producing clicks mechanical and sound increasing as a function of the compression of the spring 27 by the base 3.

Claims (6)

  1. Electrical connector comprising a base (1) and a plug (2), composed of a base body (3) and a plug body (4), each receiving an insert of insulating material (5, 6), one of which is provided with male connecting pins (7) and the other with female connecting pins (8), complementary grooves and ribs (18, 19) over the plug body and base body so as to position them angularly during their assembly by axial displacement, a lock (10) rotatably mounted on a shoulder (9) of the plug body (4), this lock being provided with a thread (10₁) engaging, during the assembly of the connector, with a corresponding thread (3₁) of the base body (3), the plug body (4) and the lock (10) additionally comprising, for the one, a circular alignment of catches (12, 21), and, for the other, an axially movable ring (13, 23) which is provided with at least one complementary catch, called finger (14, 22), oriented towards the alignment of catches, elastic means (15, 16, 26, 27) being provided to interact with the ring (13, 23) and hold, in the non-assembly position of the connector, the finger away from the alignment of catches, this ring and these elastic means being arranged on the path of the base body (3) so that this base body pushes the finger elastically between the catches at the end of assembly of the connector.
  2. Connector according to Claim 1, characterised in that the ring (13, 23) is arranged axially between two elastic means (15, 16, 26, 27).
  3. Connector according to any one of the preceding claims, characterised in that the alignment of catches (12) is provided on an integral inner edge (10₂) of the lock (10), while the ring (13) and the elastic means (15, 16) are arranged on the plug body (4) in such a manner that the base body (3) can push the finger (14) towards the catches at the end of assembly of the connector.
  4. Connector according to any one of the preceding claims, characterised in that the ring (13) provided with the finger (14) is arranged between two elastic means (15, 16), another ring (17) being arranged against one of these elastic means so as to come into contact with the base body (3) during the assembly of the connector.
  5. Connector according to any one of the preceding claims, characterised in that the axially movable ring (13, 23), and also the alignments of catches, are made from materials which are different from those constituting the plug body and the base body.
  6. Connector according to Claims 1 and 2, characterised in that the alignment of catches (22) on the one hand, and the finger (21) on the other hand, are provided so as to be mutually opposite, the finger on the shoulder (9) of the plug body (4), and the alignment of catches on an axially movable ring (23) which is provided on the lock (10) between two elastic means (26, 27) in order to be situated on the path of the base body (3) during the assembly of the connector.
EP87400815A 1986-04-11 1987-04-10 Electrical connector Expired - Lifetime EP0246934B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87400815T ATE68057T1 (en) 1986-04-11 1987-04-10 ELECTRICAL CONNECTOR.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8605203 1986-04-11
FR8605203A FR2597270B1 (en) 1986-04-11 1986-04-11 ELECTRICAL CONNECTOR

Publications (2)

Publication Number Publication Date
EP0246934A1 EP0246934A1 (en) 1987-11-25
EP0246934B1 true EP0246934B1 (en) 1991-10-02

Family

ID=9334146

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87400815A Expired - Lifetime EP0246934B1 (en) 1986-04-11 1987-04-10 Electrical connector

Country Status (6)

Country Link
US (1) US4900260A (en)
EP (1) EP0246934B1 (en)
AT (1) ATE68057T1 (en)
CA (1) CA1329420C (en)
DE (1) DE3773429D1 (en)
FR (1) FR2597270B1 (en)

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FR2642908B1 (en) * 1989-02-03 1992-09-04 Drogo Pierre ELECTRICAL CONNECTOR
US5722846A (en) * 1990-04-30 1998-03-03 The Boeing Company Bayonet coupling, low impedance, vibration resistant cable clamp
US5458501A (en) * 1990-04-30 1995-10-17 The Boeing Company Bayonet coupling cable clamp
US5246379A (en) * 1992-03-02 1993-09-21 Simmonds Precision Engine Systems, Inc. Electrical connector and backshell assembly
US5322451A (en) * 1992-11-10 1994-06-21 Woodhead Industries, Inc. Vibration resistant electrical coupling with tactile indication
JP2570705Y2 (en) * 1993-12-21 1998-05-13 住友電装株式会社 Seal connector
US5468161A (en) * 1994-06-29 1995-11-21 Simmonds Precision Engine Systems, Inc. Semi-permanent electrical connector and backshell assembly
US5486124A (en) * 1994-08-04 1996-01-23 Methode Electronics, Inc. Rigid plastic hood for socket contacts
US5580278A (en) * 1994-10-04 1996-12-03 Glenair, Inc. Grounding and antidecoupling backshell interface for electrical connectors
FR2728731A1 (en) * 1994-12-26 1996-06-28 Framatome Connectors France Electrical connector for signal transmission in aeronautical or space applications
US5681177A (en) * 1995-01-25 1997-10-28 Amphenol Corporation Anti-decoupling device
US5959828A (en) * 1996-07-16 1999-09-28 Hydraflow Coupling with insulated flanges
US5786976A (en) * 1996-07-16 1998-07-28 Hydraflow Coupling with hard metallic ductile conductive coating
US6123578A (en) * 1998-06-05 2000-09-26 Truett; Brett B. Combination electrical/mechanical mounting connector
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US6135800A (en) * 1998-12-22 2000-10-24 Conxall Corporation Anti-rotational electrical connector
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FR2896627B1 (en) 2006-01-26 2014-10-10 Souriau LOCKING DEVICE FOR CONNECTOR ASSEMBLY
US8002566B1 (en) * 2009-12-09 2011-08-23 Hirel Connectors, Inc. Self-locking electrical connector
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Also Published As

Publication number Publication date
DE3773429D1 (en) 1991-11-07
US4900260A (en) 1990-02-13
EP0246934A1 (en) 1987-11-25
FR2597270A1 (en) 1987-10-16
FR2597270B1 (en) 1988-11-10
ATE68057T1 (en) 1991-10-15
CA1329420C (en) 1994-05-10

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