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EP1698209A1 - Contact locking device for an electric connector and electric container containing said device - Google Patents

Contact locking device for an electric connector and electric container containing said device

Info

Publication number
EP1698209A1
EP1698209A1 EP04803415A EP04803415A EP1698209A1 EP 1698209 A1 EP1698209 A1 EP 1698209A1 EP 04803415 A EP04803415 A EP 04803415A EP 04803415 A EP04803415 A EP 04803415A EP 1698209 A1 EP1698209 A1 EP 1698209A1
Authority
EP
European Patent Office
Prior art keywords
locking
contacts
arm
electrical connector
locking device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP04803415A
Other languages
German (de)
French (fr)
Other versions
EP1698209B1 (en
Inventor
Philippe Daudin
Gilles Schmitt
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
FCI SA
Original Assignee
FCI SA
Framatome Connectors International SAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by FCI SA, Framatome Connectors International SAS filed Critical FCI SA
Publication of EP1698209A1 publication Critical patent/EP1698209A1/en
Application granted granted Critical
Publication of EP1698209B1 publication Critical patent/EP1698209B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
    • H01R13/42—Securing in a demountable manner
    • H01R13/436—Securing a plurality of contact members by one locking piece or operation
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
    • H01R13/42—Securing in a demountable manner
    • H01R13/436—Securing a plurality of contact members by one locking piece or operation
    • H01R13/4361—Insertion of locking piece perpendicular to direction of contact insertion
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
    • H01R13/42—Securing in a demountable manner
    • H01R13/436—Securing a plurality of contact members by one locking piece or operation
    • H01R13/4364—Insertion of locking piece from the front
    • 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
    • H01R13/44—Means for preventing access to live contacts
    • 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
    • H01R13/44—Means for preventing access to live contacts
    • H01R13/447—Shutter or cover plate
    • H01R13/453—Shutter or cover plate opened by engagement of counterpart
    • 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
    • H01R13/44—Means for preventing access to live contacts
    • H01R13/447—Shutter or cover plate
    • H01R13/453—Shutter or cover plate opened by engagement of counterpart
    • H01R13/4538—Covers sliding or withdrawing in the direction of engagement

Definitions

  • the present invention relates to a contact locking device for an electrical connector. It is known in particular in the context of automobile connectors to provide insulating contact-carrying boxes provided with electrical contact locking systems that engage with the contacts or with primary contact retention members. These locking systems can be primary locking systems when they ensure the latching and retention of the contact in a socket of the connector or secondary locking systems when they complement a first locking means and provide security of additional locking or additional resistance to tearing of the contact in the socket. locking devices are asked to provide additional security, which is the detection of incorrectly inserted or badly locked contacts and in particular to prohibit the coupling of additional connectors in the event of incorrect insertion of contacts and / or non-locking of the locking device.
  • the present invention aims to improve the locking devices for electrical contacts in the connector housings and in particular provides a contact locking device in a contact carrying box with different locking devices, the locking device also having to allow contact detection. badly snapped.
  • the invention mainly relates to an electrical connector element comprising a housing for receiving first and second contacts, provided with a first device for locking the first contacts, movable between a release position and a locking position of said first contacts. , of a second locking device for the second contacts, movable between a release position and a locking position of the said second contacts, the electrical connector element comprising means for prohibiting operation of the second locking device as long as the first locking device is not in the locking position of the first contacts.
  • the connector element may in particular be such that the first device for locking and retaining the first contacts comprises a rotary flap provided with fingers transverse to a direction of insertion of the first contacts in the housing, the second locking device comprising a front grille fitted with retention elements for the second contacts directed towards the rear.
  • the prohibition means may comprise at least one abutment element, integral with the housing, arranged on the path of an arm that is part of the second locking device and which opposes the operation of the second locking device. from the release position to the locking position of the second contacts.
  • the arm can advantageously be a flexible arm provided with a lug provided with a first locking profile with a profile complementary to the stop element and with a second profile forming, after bending the arm, exhaust profile by sliding against the stop element.
  • the first locking device in the contact locking position, may include a shoulder positioned at least partially in front of the stop element or positioned in front of at least part of the stop element and allowing the operation of the second locking device. locking towards its locking position by bending the arm.
  • the arm and the stop element have inclined rear surfaces such that once the grid in its retracted position for locking the second contacts, the arm and the stop element retain the grid in the retracted position by the cooperation of the inclined rear surface of the arm and the inclined rear surface of the stop element.
  • the second locking device in the locking position includes an element for prohibiting the operation of the first locking device from its locking position to its position for releasing the first contacts.
  • the maneuvering prohibition device may in particular consist of a pin carried by the second locking device and received in a housing forming part of the first locking device.
  • the housing can in particular be part of an elastic snap-in element.
  • FIG. 1 a and 1 b perspective views of a connector element according to the invention
  • FIG. 2 a perspective view in section along a contact receiving cavity of the connector element of Figure 1a
  • Figures 3a, 3b and 3c sectional views of the connector element of Figure 1a showing a locking device according to the invention.
  • Figure 1a shows an electrical connector element 1 provided with a grid 1 1 for re-piloting and locking of pin contacts.
  • Figure 1b shows the connector element in front of a complementary connector element.
  • the electrical connector element 1 shown in section in FIG. 2 comprises a housing 2 provided with cells 21, 22 for receiving first contacts 3 and second contacts 4.
  • the first contacts 3 are, according to the example, contacts provided with '' a metal locking lance 23 coming into abutment against a partition 24 of the housing and retaining the contact 3 in the direction of its extraction from the housing.
  • the housing is provided with a first device 5 for locking the first contacts 3.
  • This first locking device is, according to the example, in the form of a rotary flap 9, connected to the housing by a hinge 25, and movable between a position release and a locking position of said first contacts 3.
  • the flap is provided with fingers 10, for retaining and locking the first contacts in the cells 22, transverse to a direction of insertion of the first contacts 3 in the housing, and coming to bear against a shoulder 26 of the contacts 3.
  • the housing receives second contacts 4, here contacts comprising windows 27 into which are snapped locking latches 28 retaining the second contacts 4 in the direction of extraction of these contacts from the housing.
  • the first and second contacts are pin contacts.
  • the connector element 1 comprises a second device 6 for locking the second contacts 4, movable between a release position and a locking position for the said second contacts 4.
  • This second device for locking and retaining the second contacts 4 is constituted by elements 1 2 in the form of rods directed towards the rear and intended to block the latches 28 to lock the second contacts.
  • the rods are integral with a grid 1 1 before traversed by the tips of the contact pins 3, 4, the grid being able to move between an advanced position for protecting the tips and releasing the latches and a retracted position revealing the tips of the pins contact and, for which, the retention elements 1 2 that form the rods block the latches 28 and thus lock the second contacts 4.
  • the locking device of the invention aims to ensure the correct locking of the contacts. Particularly in automotive connector applications, it is desired that any improper contact insertion be detected during vehicle wiring.
  • the grid 1 1 is produced in such a way that if one of the contacts which it has to lock is only partially inserted in its cell, the rod 1 2 abuts against the corresponding latch 28 which prohibits the back of the grid.
  • the flap 9 cannot be pushed into the locking position.
  • an additional security which is to authorize the backward movement of the grid 11 in the locking position of the second contacts only if the flap 9 is itself in the locking position.
  • the invention provides means 7, 8 for prohibiting the operation of the second locking device 6, constituted by the pins 10 of the flap 9, as long as the first locking device 5 constituted by the rods 1 2 of the grid 1 1 is not in the locking position of the first contacts 3.
  • 3a, 3b, 3c comprise on the one hand at least one abutment element 7 produced in the housing 2 and on the other hand an arm 8 secured to the grid 1 1 and directed towards the rear of the grid along the axis of the cells 21, 22.
  • the abutment element is disposed on the path of the arm 8 and opposes the operation of the second locking device 6, from the release position to the locking position of the second contacts 4, preventing the grid from retreating.
  • the arm 8 and the abutment element comprise profiles 14, 29 opposite parallel to each other and perpendicular to the direction of movement of the grid 11.
  • the profile 14 of the arm 8 must be offset and spaced from the profile 29 of the stop element.
  • the arm 8 is flexible and provided with a lug 1 3 provided with the first profile 14 for locking with the profile 29 complementary to the stop element.
  • the first locking device 5 has for its part a shoulder 1 6 which, when the first locking device 5 is in the locking position of the first contacts 3, is positioned in front of at least part of the element stop 7 and push the arms in a direction perpendicular to the operating direction of the grid 1 1.
  • the shoulder 1 6 shifts the profile 14 and away from the stop element.
  • the locking profile on the lug 13 is followed by a sloping profile 15 which, when the arm 8 is flexed and pushed by the shoulder 1 6 can slide against the stop element 7.
  • the arm 8 returns to its position parallel to the axis of the cells and retains the grid in the retracted position by the cooperation of an inclined rear surface 31 of the lug 1 3 and an inclined rear surface 30 of the stop element 7. According to the invention, the locking of the grid 1 1 does not can therefore be done only when the flap is in its locked position. Once the two locking devices are correctly positioned, the invention provides for authorizing the unlocking of the first device only when the second device is itself unlocked.
  • the grid comprising the second locking device 6, in the locking position is provided with an element preventing the operation of the first locking device 5 from its locking position to its position for releasing the first contacts 3
  • This maneuvering prohibition element is according to the example consisting of a pin 17 carried by the grid 1 1 and received in a housing 1 8 forming part of the flap 9 comprising first locking device 5.
  • the housing 18 is part of an elastic element 1 9 latching ensuring effective retention of the flap.
  • the invention is not limited to the example described and can in particular be used for a connector element receiving female contacts or comprising locking devices acting in other directions.

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Connector Housings Or Holding Contact Members (AREA)

Abstract

The device has a stop unit (7) opposing manipulation of a locking device from a contacts releasing position to a contacts locking position, while preventing backward movement of a grill. The grill is designed in such a manner that if one of the contacts that it has to lock is partly inserted in its socket, a rod supports against a corresponding breaker arm which prohibits the backward movement of the grill.

Description

DISPOSITIF DE VERROUILLAGE DE CONTACTS POUR CONNECTEUR ELECTRIQUE ET CONNECTEUR ELECTRIQUE LE COMPRENANT CONTACTS LOCKING DEVICE FOR ELECTRICAL CONNECTOR AND ELECTRICAL CONNECTOR COMPRISING SAME
La présente invention concerne un dispositif de verrouillage de contacts pour connecteur électrique. Il est connu notamment dans le cadre de la connectique automobile de prévoir des boîtiers isolants porte contacts pourvus de systèmes de verrouillage de contacts électriques s'encliquetant avec les contacts ou avec des organes primaires de rétention des contacts. Ces systèmes de verrouillage peuvent être des systèmes de verrouillage primaire lorsqu'ils assurent Pencliquetage et la rétention du contact dans un alvéole du connecteur ou des systèmes de verrouillage secondaire lorsqu'ils viennent en complément d'un premier moyen de verrouillage et apportent une sécurité de verrouillage supplémentaire ou une résistance supplémentaire à l'arrachement du contact dans l'alvéole. il est demandé aux dispositifs de verrouillage d'apporter une sécurité supplémentaire qui est la détection de contacts mal insérés ou mal encliquetés et en particulier d'interdire l'accouplement de connecteurs complémentaires en cas de mauvaise insertion de contacts et/ou de non verrouillage du dispositif de verrouillage. La présente invention vise à perfectionner les dispositifs de verrouillage de contacts électriques dans les boîtiers de connecteur et propose notamment un dispositif de verrouillage de contacts dans un boîtier porte contacts à dispositifs de verrouillage différents, le dispositif de verrouillage devant en outre permettre une détection de contacts mal encliquetés. Pour ce faire l'invention concerne principalement un élément de connecteur électrique comportant un boîtier de réception de premiers et seconds contacts, pourvu d'un premier dispositif de verrouillage des premiers contacts, mobile entre une position de libération et une position de verrouillage desdits premiers contacts, d'un second dispositif de verrouillage des seconds contacts, mobile entre une position de libération et une position de verrouillage desdits seconds contacts, l'élément de connecteur électrique comportant des moyens d'interdiction de manoeuvre du second dispositif de verrouillage tant que le premier dispositif de verrouillage n'est pas en position de verrouillage des premiers contacts. L'élément de connecteur peut notamment être tel, que le premier dispositif de verrouillage et de rétention des premiers contacts comporte un volet rotatif pourvu de doigts transversaux à une direction d'insertion des premiers contacts dans le boîtier, le second dispositif de verrouillage comportant une grille avant munie d'éléments de rétention des seconds contacts dirigés vers l'arrière. En mode de réalisation particulier, les moyens d'interdiction peuvent comporter au moins un élément de butée, solidaire du boîtier, disposé sur le parcours d'un bras partie du second dispositif de verrouillage et s'opposant à la manoeuvre du second dispositif de verrouillage de la position de libération vers la position de verrouillage des seconds contacts. Le bras peut avantageusement, être un bras flexible muni d'un ergot pourvu d'un premier profil de blocage avec un profil complémentaire de l'élément de butée et d'un deuxième profil formant, après flexion du bras, profil d'échappement par glissement contre l'élément de butée. Le premier dispositif de verrouillage, en position de verrouillage des contacts, peut comporter un épaulement se positionnant au moins partiellement devant l'élément de butée ou se positionnant devant au moins une partie de l'élément de butée et permettant la manoeuvre du second dispositif de verrouillage vers sa position de verrouillage par mise en flexion du bras. Selon un mode de réalisation avantageux de l'invention, le bras et l'élément de butée comportent des surfaces arrières inclinées telles qu'une fois la grille dans sa position reculée de verrouillage des seconds contacts, le bras et l'élément de butée retiennent la grille en position reculée par la coopération de la surface arrière inclinée du bras et de la surface arrière inclinée de l'élément de butée. Avantageusement, le second dispositif de verrouillage, en position de verrouillage comporte un élément d'interdiction de manoeuvre du premier dispositif de verrouillage de sa position de verrouillage vers sa position de libération des premiers contacts. Le dispositif d'interdiction de manoeuvre peut être notamment constitué d'un pion porté par le second dispositif de verrouillage et reçu dans un logement faisant partie du premier dispositif de verrouillage. Le logement peut notamment faire partie d'un élément élastique d'encliquetage. D'autres caractéristiques et avantages de l'invention seront mieux compris à la lecture de la description qui va suivre d'un exemple non limitatif de réalisation de l'invention en référence aux figures qui représentent: En figures 1 a et 1 b: des vues en perspective d'un élément de connecteur selon l'invention; En figure 2: une vue en perspective coupe selon une cavité de réception de contact de l'élément de connecteur de la figure 1 a; En figures 3a, 3b et 3c: des vues en coupe de l'élément de connecteur de la figure 1 a représentant un dispositif de verrouillage selon l'invention. La figure 1 a représente un élément 1 de connecteur électrique pourvu d'une grille 1 1 de repilotage et de verrouillage de contacts broches. La figure 1 b représente l'élément de connecteur en face d'un élément de connecteur complémentaire. L'élément 1 de connecteur électrique représenté en coupe à la figure 2 comporte un boîtier 2 pourvu d'alvéoles 21 , 22 de réception de premiers contact 3 et de seconds contacts 4. Les premiers contacts 3 sont selon l'exemple des contacts pourvus d'une lance métallique de verrouillage 23 venant en butée contre une cloison 24 du boîtier et retenant le contact 3 dans le sens de son extraction du boîtier. Le boîtier est pourvu d'un premier dispositif 5 de verrouillage des premiers contacts 3. Ce premier dispositif de verrouillage est selon l'exemple sous la forme d'un volet 9 rotatif, relié au boîtier par une charnière 25, et mobile entre une position de libération et une position de verrouillage desdits premiers contacts 3. Pour verrouiller les premiers contacts 3, le volet est pourvu de doigts 10, de rétention et de verrouillage des premiers contacts dans les alvéoles 22, transversaux à une direction d'insertion des premiers contacts 3 dans le boîtier, et venant en appui contre un épaulement 26 des contacts 3. Le boîtier reçoit des seconds contacts 4, ici des contacts comportant des fenêtres 27 dans lesquelles viennent s'encliqueter des linguets 28 de verrouillage retenant les seconds contacts 4 dans le sens d'extraction de ces contacts du boîtier. Selon l'exemple représenté, les premiers et seconds contacts sont des contacts broches. Selon l'invention, l'élément de connecteur 1 comporte un second dispositif 6 de verrouillage des seconds contacts 4, mobile entre une position de libération et une position de verrouillage desdits seconds contacts 4. Ce second dispositif de verrouillage et de rétention des seconds contacts 4 est constitué par des éléments 1 2 en forme de tiges dirigées vers l'arrière et destinées à bloquer les linguets 28 pour verrouiller les seconds contacts. Les tiges sont solidaires d'une grille 1 1 avant traversée par les pointes des broches de contact 3, 4, la grille pouvant se déplacer entre une position avancée de protection des pointes et de libération des linguets et une position reculée découvrant les pointes des broches de contact et, pour laquelle, les éléments de rétention 1 2 que forment les tiges bloquent les linguets 28 et verrouillent ainsi les seconds contacts 4. Le dispositif de verrouillage de l'invention a pour but de s'assure du verrouillage correct des contacts. Particulièrement dans les applications de connecteurs automobiles, il est souhaité que toute mauvaise insertion de contact soit détectée au cours du câblage du véhicule. Ainsi, de manière connue, la grille 1 1 est réalisée de telle sorte que si l'un des contacts qu'elle doit verrouiller n'est que partiellement inséré dans son alvéole, la tige 1 2 bute contre le linguet 28 correspondant ce qui interdit le recul de la grille. De même, dans le cas où un premier contact 3 n'est que partiellement inséré, le volet 9 ne peut être poussé en position de verrouillage. Selon l'invention, il est prévu une sécurité supplémentaire qui est de n'autoriser le recul de la grille 1 1 en position de verrouillage des seconds contacts que si le volet 9 est lui même en position de verrouillage. Ainsi l'invention prévoit des moyens 7, 8 d'interdiction de manoeuvre du second dispositif 6 de verrouillage, constitués par les pions 10 du volet 9, tant que le premier dispositif 5 de verrouillage constitué par les tiges 1 2 de la grille 1 1 n'est pas en position de verrouillage des premiers contacts 3. Les moyens d'interdiction de manoeuvre représentés en figures 3a, 3b, 3c comportent d'une part au moins un élément de butée 7 réalisé dans le boîtier 2 et d'autre part un bras 8 solidaire de la grille 1 1 et dirigé vers l'arrière de la grille selon l'axe des alvéoles 21 , 22. L'élément de butée est disposé sur le parcours du bras 8 et s'oppose à la manoeuvre du second dispositif 6 de verrouillage, de la position de libération vers la position de verrouillage des seconds contacts 4, en empêchant le recul de la grille. Pour ce faire, le bras 8 et l'élément de butée comportent des profils 14, 29 en regard parallèles entre eux et perpendiculaires au sens de déplacement de la grille 1 1 . Pour permettre le recul de la grille il faut que le profil 14 du bras 8 soit décalé et écarté du profil 29 de l'élément de butée. Selon l'exemple, le bras 8 est flexible et muni d'un ergot 1 3 pourvu du premier profil 14 de blocage avec le profil 29 complémentaire de l'élément de butée. Comme représenté en figure 3b, le premier dispositif 5 de verrouillage comporte pour sa part un épaulement 1 6 qui, lorsque le premier dispositif 5 de verrouillage est en position de verrouillage des premiers contacts 3, se positionne devant au moins une partie de l'élément de butée 7 et pousse le bras dans une direction perpendiculaire à la direction de manoeuvre de la grille 1 1 . Ainsi l'épaulement 1 6 décale le profil 14 et l'écarté de l'élément de butée. Pour permettre la manoeuvre du second dispositif 6 de verrouillage vers sa position de verrouillage, le profil de blocage sur l'ergot 13 est suivi d'un profil en pente 15 qui, lorsque le bras 8 est mis en flexion et poussé par l'épaulement 1 6 peut glisser contre l'élément de butée 7. Une fois la grille 1 1 dans sa position reculée de verrouillage des seconds contacts 4, comme représenté en figure 3c, le bras 8 reprend sa position parallèle à l'axe des alvéoles et retient la grille en position reculée par la coopération d'une surface arrière inclinée 31 de l'ergot 1 3 et d'une surface arrière inclinée 30 de l'élément de butée 7. Selon l'invention, le verrouillage de la grille 1 1 ne peut donc se faire que lorsque le volet est dans sa position de verrouillage. Une fois les deux dispositifs de verrouillage correctement positionnés, l'invention prévoit de n'autoriser le déverrouillage du premier dispositif que lorsque le second dispositif est lui même déverrouillé. Pour ce faire, la grille comportant le second dispositif 6 de verrouillage, en position de verrouillage, est pourvue d'un élément d'interdiction de manoeuvre du premier dispositif 5 de verrouillage de sa position de verrouillage vers sa position de libération des premiers contacts 3. Cet élément d'interdiction de manoeuvre est selon l'exemple constitué d'un pion 17 porté par la grille 1 1 et reçu dans un logement 1 8 faisant partie du volet 9 comportant premier dispositif 5 de verrouillage. Ainsi pour déplacer le volet 9 de sa position de verrouillage vers sa position de déverrouillage, il faut d'abord remettre la grille 1 1 en position avancée ce qui offre une sécurité supplémentaire au verrouillage des contacts puisque ainsi le volet ne peut s'ouvrir lorsque l'élément de connecteur 1 est accouplé à un connecteur complémentaire 50 tel que représenté en figure 1 a et la grille en position reculée. Selon les figures 3a, 3b, 3c, le logement 18 fait partie d'un élément élastique 1 9 d'encliquetage assurant une rétention efficace du volet. L'invention ne se limite pas à l'exemple décrit et peut notamment être utilisée pour un élément de connecteur recevant des contacts femelles ou comprenant des dispositifs de verrouillage agissant dans d'autres direction. The present invention relates to a contact locking device for an electrical connector. It is known in particular in the context of automobile connectors to provide insulating contact-carrying boxes provided with electrical contact locking systems that engage with the contacts or with primary contact retention members. These locking systems can be primary locking systems when they ensure the latching and retention of the contact in a socket of the connector or secondary locking systems when they complement a first locking means and provide security of additional locking or additional resistance to tearing of the contact in the socket. locking devices are asked to provide additional security, which is the detection of incorrectly inserted or badly locked contacts and in particular to prohibit the coupling of additional connectors in the event of incorrect insertion of contacts and / or non-locking of the locking device. The present invention aims to improve the locking devices for electrical contacts in the connector housings and in particular provides a contact locking device in a contact carrying box with different locking devices, the locking device also having to allow contact detection. badly snapped. To do this, the invention mainly relates to an electrical connector element comprising a housing for receiving first and second contacts, provided with a first device for locking the first contacts, movable between a release position and a locking position of said first contacts. , of a second locking device for the second contacts, movable between a release position and a locking position of the said second contacts, the electrical connector element comprising means for prohibiting operation of the second locking device as long as the first locking device is not in the locking position of the first contacts. The connector element may in particular be such that the first device for locking and retaining the first contacts comprises a rotary flap provided with fingers transverse to a direction of insertion of the first contacts in the housing, the second locking device comprising a front grille fitted with retention elements for the second contacts directed towards the rear. In a particular embodiment, the prohibition means may comprise at least one abutment element, integral with the housing, arranged on the path of an arm that is part of the second locking device and which opposes the operation of the second locking device. from the release position to the locking position of the second contacts. The arm can advantageously be a flexible arm provided with a lug provided with a first locking profile with a profile complementary to the stop element and with a second profile forming, after bending the arm, exhaust profile by sliding against the stop element. The first locking device, in the contact locking position, may include a shoulder positioned at least partially in front of the stop element or positioned in front of at least part of the stop element and allowing the operation of the second locking device. locking towards its locking position by bending the arm. According to an advantageous embodiment of the invention, the arm and the stop element have inclined rear surfaces such that once the grid in its retracted position for locking the second contacts, the arm and the stop element retain the grid in the retracted position by the cooperation of the inclined rear surface of the arm and the inclined rear surface of the stop element. Advantageously, the second locking device, in the locking position includes an element for prohibiting the operation of the first locking device from its locking position to its position for releasing the first contacts. The maneuvering prohibition device may in particular consist of a pin carried by the second locking device and received in a housing forming part of the first locking device. The housing can in particular be part of an elastic snap-in element. Other characteristics and advantages of the invention will be better understood on reading the description which follows of a nonlimiting example of embodiment of the invention with reference to the figures which represent: In FIGS. 1 a and 1 b: perspective views of a connector element according to the invention; In Figure 2: a perspective view in section along a contact receiving cavity of the connector element of Figure 1a; In Figures 3a, 3b and 3c: sectional views of the connector element of Figure 1a showing a locking device according to the invention. Figure 1a shows an electrical connector element 1 provided with a grid 1 1 for re-piloting and locking of pin contacts. Figure 1b shows the connector element in front of a complementary connector element. The electrical connector element 1 shown in section in FIG. 2 comprises a housing 2 provided with cells 21, 22 for receiving first contacts 3 and second contacts 4. The first contacts 3 are, according to the example, contacts provided with '' a metal locking lance 23 coming into abutment against a partition 24 of the housing and retaining the contact 3 in the direction of its extraction from the housing. The housing is provided with a first device 5 for locking the first contacts 3. This first locking device is, according to the example, in the form of a rotary flap 9, connected to the housing by a hinge 25, and movable between a position release and a locking position of said first contacts 3. To lock the first contacts 3, the flap is provided with fingers 10, for retaining and locking the first contacts in the cells 22, transverse to a direction of insertion of the first contacts 3 in the housing, and coming to bear against a shoulder 26 of the contacts 3. The housing receives second contacts 4, here contacts comprising windows 27 into which are snapped locking latches 28 retaining the second contacts 4 in the direction of extraction of these contacts from the housing. According to the example shown, the first and second contacts are pin contacts. According to the invention, the connector element 1 comprises a second device 6 for locking the second contacts 4, movable between a release position and a locking position for the said second contacts 4. This second device for locking and retaining the second contacts 4 is constituted by elements 1 2 in the form of rods directed towards the rear and intended to block the latches 28 to lock the second contacts. The rods are integral with a grid 1 1 before traversed by the tips of the contact pins 3, 4, the grid being able to move between an advanced position for protecting the tips and releasing the latches and a retracted position revealing the tips of the pins contact and, for which, the retention elements 1 2 that form the rods block the latches 28 and thus lock the second contacts 4. The locking device of the invention aims to ensure the correct locking of the contacts. Particularly in automotive connector applications, it is desired that any improper contact insertion be detected during vehicle wiring. Thus, in known manner, the grid 1 1 is produced in such a way that if one of the contacts which it has to lock is only partially inserted in its cell, the rod 1 2 abuts against the corresponding latch 28 which prohibits the back of the grid. Similarly, in the case where a first contact 3 is only partially inserted, the flap 9 cannot be pushed into the locking position. According to the invention, there is provided an additional security which is to authorize the backward movement of the grid 11 in the locking position of the second contacts only if the flap 9 is itself in the locking position. Thus the invention provides means 7, 8 for prohibiting the operation of the second locking device 6, constituted by the pins 10 of the flap 9, as long as the first locking device 5 constituted by the rods 1 2 of the grid 1 1 is not in the locking position of the first contacts 3. The maneuvering prohibition means shown in FIGS. 3a, 3b, 3c comprise on the one hand at least one abutment element 7 produced in the housing 2 and on the other hand an arm 8 secured to the grid 1 1 and directed towards the rear of the grid along the axis of the cells 21, 22. The abutment element is disposed on the path of the arm 8 and opposes the operation of the second locking device 6, from the release position to the locking position of the second contacts 4, preventing the grid from retreating. To do this, the arm 8 and the abutment element comprise profiles 14, 29 opposite parallel to each other and perpendicular to the direction of movement of the grid 11. To allow the grid to move backwards, the profile 14 of the arm 8 must be offset and spaced from the profile 29 of the stop element. According to the example, the arm 8 is flexible and provided with a lug 1 3 provided with the first profile 14 for locking with the profile 29 complementary to the stop element. As shown in Figure 3b, the first locking device 5 has for its part a shoulder 1 6 which, when the first locking device 5 is in the locking position of the first contacts 3, is positioned in front of at least part of the element stop 7 and push the arms in a direction perpendicular to the operating direction of the grid 1 1. Thus the shoulder 1 6 shifts the profile 14 and away from the stop element. To allow the operation of the second locking device 6 towards its locking position, the locking profile on the lug 13 is followed by a sloping profile 15 which, when the arm 8 is flexed and pushed by the shoulder 1 6 can slide against the stop element 7. Once the grid 1 1 in its retracted position for locking the second contacts 4, as shown in Figure 3c, the arm 8 returns to its position parallel to the axis of the cells and retains the grid in the retracted position by the cooperation of an inclined rear surface 31 of the lug 1 3 and an inclined rear surface 30 of the stop element 7. According to the invention, the locking of the grid 1 1 does not can therefore be done only when the flap is in its locked position. Once the two locking devices are correctly positioned, the invention provides for authorizing the unlocking of the first device only when the second device is itself unlocked. To do this, the grid comprising the second locking device 6, in the locking position, is provided with an element preventing the operation of the first locking device 5 from its locking position to its position for releasing the first contacts 3 This maneuvering prohibition element is according to the example consisting of a pin 17 carried by the grid 1 1 and received in a housing 1 8 forming part of the flap 9 comprising first locking device 5. Thus to move the flap 9 from its locking position to its unlocking position, it is first necessary to put the grid 1 1 in the advanced position which provides additional security for locking the contacts since thus the flap cannot open when the connector element 1 is coupled to a complementary connector 50 as shown in FIG. 1 a and the grid in the retracted position. According to Figures 3a, 3b, 3c, the housing 18 is part of an elastic element 1 9 latching ensuring effective retention of the flap. The invention is not limited to the example described and can in particular be used for a connector element receiving female contacts or comprising locking devices acting in other directions.

Claims

R E V E N D I C A T I O N SR E V E N D I C A T I O N S
1 - Elément (1 ) de connecteur électrique comportant un boîtier (2) de réception de premiers (3) et seconds (4) contacts, un premier dispositif (5) de verrouillage des premiers contacts (3), mobile entre une position de libération et une position de verrouillage desdits premiers contacts (3), un second dispositif (6) de verrouillage des seconds contacts (4), mobile entre une position de libération et une position de verrouillage desdits seconds contacts (4), caractérisé en ce qu'il comporte des moyens (7, 8) d'interdiction de manoeuvre du second dispositif (6) de verrouillage tant que le premier dispositif (5) de verrouillage n'est pas en position de verrouillage des premiers contacts (3) . 2 - Elément de connecteur électrique selon la revendication 1 caractérisé en ce que le premier dispositif (5) de verrouillage comporte un volet (9) rotatif pourvu de doigts (1 0), de rétention des premiers contacts, transversaux à une direction d'insertion des premiers contacts (3) dans le boîtier, le second dispositif (6) de verrouillage comportant une grille (1 1 ) avant munie d'éléments (1 2), de rétention des seconds contacts (4), dirigés vers l'arrière. 3 - Elément de connecteur électrique selon la revendication 1 ou 2 caractérisé en ce que les moyens d'interdiction comportent au moins un élément de butée (7), solidaire du boîtier, disposé sur le parcours d'un bras (8) partie du second dispositif (6) de verrouillage et s'opposant à la manoeuvre du second dispositif (6) de verrouillage de la position de libération vers la position de verrouillage des seconds contacts (4). 4 - Elément de connecteur électrique selon la revendication 3 caractérisé en ce que le bras (8) est flexible et muni d'un ergot (1 3) pourvu d'un premier profil (14) de blocage avec un profil complémentaire de l'élément de butée et d'un deuxième profil (1 5) formant, après flexion du bras, profil d'échappement par glissement contre l'élément de butée (7). 5 - Elément de connecteur électrique selon la revendication 3 ou 4 caractérisé en ce que le premier dispositif (5) de verrouillage comporte un épaulement (1 6) qui se positionne devant au moins une partie de l'élément de butée (7) et permet la manoeuvre du second dispositif (6) de verrouillage vers sa position de verrouillage par mise en flexion du bras (8), lorsque le premier dispositif (5) de verrouillage est en position de verrouillage des premiers contacts (3). 6 - Elément de connecteur électrique selon l'une des revendications 3 à 5 caractérisé en ce que le bras et l'élément de butée comportent des surfaces (30, 31 ) arrières inclinées telles qu'une fois la grille (1 1 ) dans sa position reculée de verrouillage des seconds contacts (4) le bras (8) et l'élément de butée (7) retiennent la grille en position reculée par la coopération de la surface arrière inclinée (31 ) du bras (8) et de la surface arrière inclinée (30) de l'élément de butée (7). 7 - Elément de connecteur électrique selon l'une des revendications précédentes caractérisé en ce que le second dispositif (6) de verrouillage, en position de verrouillage, comporte un élément (1 7) d'interdiction de manoeuvre du premier dispositif (5) de verrouillage de sa position de verrouillage vers sa position de libération des premiers contacts (3). 8 - Elément de connecteur électrique selon la revendication 7 caractérisé en ce que ledit élément (1 7) d'interdiction de manoeuvre est constitué d'un pion porté par le second dispositif (6) de verrouillage et reçu dans un logement (1 8) faisant partie du premier dispositif (5) de verrouillage. 9 - Elément de connecteur électrique selon la revendication 8 caractérisé en ce que le logement (1 8) fait partie d'un élément élastique (1 9) d'encliquetage. 1 - Element (1) of electrical connector comprising a housing (2) for receiving first (3) and second (4) contacts, a first device (5) for locking the first contacts (3), movable between a release position and a locking position of said first contacts (3), a second device (6) for locking the second contacts (4), movable between a release position and a locking position for said second contacts (4), characterized in that it comprises means (7, 8) for prohibiting the operation of the second locking device (6) as long as the first locking device (5) is not in the locking position of the first contacts (3). 2 - electrical connector element according to claim 1 characterized in that the first locking device (5) comprises a rotary flap (9) provided with fingers (1 0), retaining the first contacts, transverse to an insertion direction first contacts (3) in the housing, the second locking device (6) comprising a grid (1 1) before provided with elements (1 2), retaining the second contacts (4), directed towards the rear. 3 - electrical connector element according to claim 1 or 2 characterized in that the prohibition means comprise at least one stop element (7), integral with the housing, disposed on the path of an arm (8) part of the second device (6) for locking and opposing the operation of the second device (6) for locking from the release position to the locking position for the second contacts (4). 4 - electrical connector element according to claim 3 characterized in that the arm (8) is flexible and provided with a lug (1 3) provided with a first profile (14) for locking with a profile complementary to the element stop and a second profile (1 5) forming, after bending the arm, the exhaust profile by sliding against the stop element (7). 5 - electrical connector element according to claim 3 or 4 characterized in that the first locking device (5) has a shoulder (1 6) which is positioned in front of at least part of the stop element (7) and allows the operation of the second locking device (6) towards its locking position by bending the arm (8), when the first locking device (5) is in the locking position of the first contacts (3). 6 - electrical connector element according to one of claims 3 to 5 characterized in that the arm and the abutment element have inclined rear surfaces (30, 31) such that once the grid (1 1) in its retracted position for locking the second contacts (4) the arm (8) and the abutment element (7) hold the grid in the retracted position by the cooperation of the inclined rear surface (31) of the arm (8) and the surface inclined rear (30) of the stop element (7). 7 - electrical connector element according to one of the preceding claims characterized in that the second locking device (6), in the locking position, comprises an element (1 7) for prohibiting operation of the first device (5) locking from its locking position to its position for releasing the first contacts (3). 8 - electrical connector element according to claim 7 characterized in that said element (1 7) prohibition of maneuver consists of a pin carried by the second device (6) for locking and received in a housing (1 8) forming part of the first locking device (5). 9 - electrical connector element according to claim 8 characterized in that the housing (1 8) is part of an elastic element (1 9) of latching.
EP04803415A 2003-12-19 2004-11-30 Contact locking device for an electric connector and electric connector containing said device Expired - Lifetime EP1698209B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0315047A FR2864357A1 (en) 2003-12-19 2003-12-19 Electrical connector device, has stop unit opposing manipulation of locking device from releasing position to locking position, and rod supporting against corresponding breaker arm if contacts are partly inserted in socket
PCT/EP2004/013653 WO2005069686A1 (en) 2003-12-19 2004-11-30 Contact locking device for an electric connector and electric container containing said device

Publications (2)

Publication Number Publication Date
EP1698209A1 true EP1698209A1 (en) 2006-09-06
EP1698209B1 EP1698209B1 (en) 2008-02-20

Family

ID=34630375

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04803415A Expired - Lifetime EP1698209B1 (en) 2003-12-19 2004-11-30 Contact locking device for an electric connector and electric connector containing said device

Country Status (12)

Country Link
US (1) US7578709B2 (en)
EP (1) EP1698209B1 (en)
JP (1) JP4647620B2 (en)
KR (1) KR101063115B1 (en)
CN (1) CN100551173C (en)
AT (1) ATE387075T1 (en)
BR (1) BRPI0417297A (en)
DE (1) DE602004011987T2 (en)
ES (1) ES2299893T3 (en)
FR (1) FR2864357A1 (en)
MX (1) MXPA06006763A (en)
WO (1) WO2005069686A1 (en)

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EP3089280A1 (en) * 2015-04-29 2016-11-02 Delphi International Operations Luxembourg S.à r.l. Electrical connector system comprising a secondary locking device
CN107240800B (en) * 2016-03-29 2024-03-19 泰科电子科技（苏州工业园区）有限公司 Connectors, connectors, mating connectors, mating connectors and connecting components
DE102017106990A1 (en) * 2017-03-31 2018-10-04 HARTING Electronics GmbH Protective device for connectors
US10236629B2 (en) * 2017-05-08 2019-03-19 Aptiv Technologies Limited Electrical connector with retractable terminal-stabilizer
JP2019212404A (en) * 2018-06-01 2019-12-12 住友電装株式会社 connector
US11201428B2 (en) * 2019-09-27 2021-12-14 Aptiv Technologies Limited Connector assembly with connector lock and terminal retainer
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JP7452390B2 (en) * 2020-11-24 2024-03-19 住友電装株式会社 connector

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Also Published As

Publication number Publication date
ATE387075T1 (en) 2008-03-15
MXPA06006763A (en) 2006-09-04
US20070155254A1 (en) 2007-07-05
ES2299893T3 (en) 2008-06-01
BRPI0417297A (en) 2007-03-13
DE602004011987D1 (en) 2008-04-03
US7578709B2 (en) 2009-08-25
JP2007517362A (en) 2007-06-28
EP1698209B1 (en) 2008-02-20
KR101063115B1 (en) 2011-09-07
KR20060130103A (en) 2006-12-18
DE602004011987T2 (en) 2009-02-12
JP4647620B2 (en) 2011-03-09
CN100551173C (en) 2009-10-14
WO2005069686A1 (en) 2005-07-28
FR2864357A1 (en) 2005-06-24
CN1895002A (en) 2007-01-10

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