EP3465834A1 - Connector for a motor vehicle comprising a female contact which comprises a socket with at least one flexible tab - Google Patents

Connector for a motor vehicle comprising a female contact which comprises a socket with at least one flexible tab

Info

Publication number
EP3465834A1
EP3465834A1 EP17725586.6A EP17725586A EP3465834A1 EP 3465834 A1 EP3465834 A1 EP 3465834A1 EP 17725586 A EP17725586 A EP 17725586A EP 3465834 A1 EP3465834 A1 EP 3465834A1
Authority
EP
European Patent Office
Prior art keywords
contact
tongue
longitudinal axis
housing
female contact
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
EP17725586.6A
Other languages
German (de)
French (fr)
Other versions
EP3465834B1 (en
Inventor
Frédéric BELLIARD
Sébastien CHARVET
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.)
Aptiv Technologies Ltd
Original Assignee
Delphi International Operations Luxembourg SARL
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 Delphi International Operations Luxembourg SARL filed Critical Delphi International Operations Luxembourg SARL
Publication of EP3465834A1 publication Critical patent/EP3465834A1/en
Application granted granted Critical
Publication of EP3465834B1 publication Critical patent/EP3465834B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • H01R13/02—Contact members
    • H01R13/10—Sockets for co-operation with pins or blades
    • H01R13/11—Resilient sockets
    • H01R13/111—Resilient sockets co-operating with pins having a circular transverse section
    • 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
    • H01R13/02—Contact members
    • H01R13/20—Pins, blades, or sockets shaped, or provided with separate member, to retain co-operating parts together

Definitions

  • Connector for a motor vehicle having a female contact having a socket with at least one flexible tongue
  • the invention relates to the field of electrical connectors, for example electrical power connectors and, in particular, electric power connectors for electric motor vehicles or rechargeable hybrids.
  • this type of vehicle requires a regular and frequent recharging of their batteries.
  • these vehicles are connected to a charging station through a charging cable provided at each end of a charging socket.
  • a charging socket generally comprises a connector and a handle.
  • the connector can be of the "female" type and then comprise several female contacts (for example seven: three for the phases, one for the earth, one for the neutral and two for the control signals).
  • a female contact may comprise a base, to which a cable is connected, and a socket intended to receive a male contact.
  • the socket has a plurality of resilient tongues spaced apart by the male contact when inserted into the socket and maintaining a contact force on the male contact as long as the female connector is coupled to a counter connector.
  • the loads can be done with intensities up to 120 A.
  • the charging points for electric vehicles therefore require a high contact force between the contacts to avoid, or at least limit, the heating.
  • the efforts of coupling or uncoupling of the load receptacle connectors on a counter connector should not be too important, in order to be made with ergonomics suitable for all types of users, but also to limit the abrasion wear occurring during numerous coupling / uncoupling cycles (14,000 cycles for example).
  • An object of the invention is to provide a connector for a motor vehicle, in particular for a load socket in which the uncoupling force is better controlled.
  • a connector is made comprising at least one female contact.
  • This female contact comprises a socket extending between a front end and a rear end, along a central longitudinal axis, parallel to which a male contact can be introduced into the socket.
  • the socket has an opening towards its front end, for the introduction of the male contact.
  • the socket also has at least one flexible tongue.
  • This flexible tongue has a free end situated at the opening, this free end of the tongue being able to move apart (under the action of the male contact when it is inserted into the socket) or to move closer ( when the male contact is removed from the socket) of the central longitudinal axis.
  • the connector also comprises a housing in which is housed the female contact. This housing has a passage in front of the opening of the socket. The male contact is introduced into the socket through this passage.
  • the contact moves in the housing between a rear position and a front position, parallel to the longitudinal axis.
  • the tongue is closer to the central longitudinal axis, than when the contact is in the forward position.
  • the contact is blocked by the housing when the contact is in the rear position.
  • the tongue is spaced from the central longitudinal axis (and therefore the male contact) by the housing when the female contact is in the forward position.
  • the connector may include one or other of the following features, considered alone or in combination with one or more others:
  • At least one of the tongue and the housing comprises a chamfer for lifting and spreading the tongue away from the central longitudinal axis, when the female contact is moved to its front position;
  • a chamfer is placed both on the housing and on the tongue;
  • a chamfer is placed on the housing at the passage and a chamfer is formed on the free end of the tongue; [0013] the length of the displacement of the female contact between its rear and front positions is limited by two fixed stops in the housing;
  • the sleeve is housed in a cavity having a wall portion perpendicular to the central longitudinal axis, defining the passage and protecting the free end of the tongue, the displacement of the female contact from its rear position to its forward position being blocked by a stop before the free end of the tongue comes into contact with a wall portion perpendicular to the central longitudinal axis, delimiting the passage;
  • the tongue tends to return elastically towards the central longitudinal axis and cooperates with the housing to bring the female contact to its rear position when no male contact is inserted into the socket.
  • FIG. 1 shows schematically in perspective a charging cable for electric vehicle, provided with at least one connector according to the invention
  • - Figure 2 shows schematically in longitudinal section an example of female contact for a connector of Figure 1, with a male contact in the coupled position, the female contact being in the rear position;
  • Figure 3 shows schematically in section a detail of Figure 2;
  • Figure 4 corresponds to a representation similar to that of Figure 3, the female contact being in the forward position.
  • FIG. 1 In Figure 1 are shown two charging sockets 1, 2 for an electric motor vehicle, each mounted at one end of a charging cable 3. Each of these two loads 1, 2 comprise a connector 10, 20 with a handle 11, 21 and power contacts.
  • the connector 10 comprises a housing 12 of dielectric material with drums 14 for receiving female contacts 40 (in the figures only a female contact 40 and a shaft 14 are shown).
  • one of these female contacts 40 of power is shown in its barrel 14.
  • a one-piece portion of the contact 40 is machined by removing material from a bar of electrically conductive material (a copper alloy for example).
  • This one-piece portion comprises a cable attachment zone 42, a base 43 and a sleeve 44 and extends along a central longitudinal axis L.
  • This central longitudinal axis L is parallel to the insertion direction of a male contact 50 in the socket 44.
  • the sleeve 44 extends along the central longitudinal axis between a front end 45 and a rear end 46.
  • the sleeve 44 has an opening 47 at its front end 45 for the introduction of the male contact between
  • the bushing 44 comprises, for example, four tongues 48 that are flexible regularly and symmetrically distributed around the central longitudinal axis L.
  • Each tongue 48 is curved about the central longitudinal axis L.
  • Each tongue 48 extends longitudinally between a end connected to the base 43 and a free end 49.
  • Each tongue 48 is substantially straight and of constant thickness over its entire length (apart from a portion near its free end 49 - see below).
  • the tabs 48 are substantially parallel to the central longitudinal axis L. They are then slightly bent to be inclined relative thereto, with a portion closer to the central longitudinal axis L to the free end 49 at the base 43 (that is, the cross section of the sleeve 44 is smaller near the free end 49 than near the base 43).
  • an internal space is obtained at the bushing 44 growing closer to the base 43.
  • Two ribs, here in the form of disks, 52, 54 extend radially from the base 43. These two disks 52, 54 are spaced apart from one another along the central longitudinal axis L, to form a groove in which can be housed an O-ring (not shown).
  • the base 43 is housed in a cavity 16 of the housing 12.
  • This cavity 16 whose inner diameter is wider than that of a drum 14, has a flange 18 forming a stop capable of interacting with the disc 52 to block the displacement D of the female contact 40 forwards.
  • Locking means 56 interact with the other disk 54 to lock the female contact in the housing 10 and block the displacement D 'of the contact female 40 to the rear.
  • These locking means 56 may be formed for example of a rear gate blocking the base 43 from the rear.
  • a space is provided between the locking means 56 and the flange 18, whose length parallel to the central longitudinal axis is greater than the distance between the discs 52, 54 (the thickness of the discs 52, 54, measured parallel to the central longitudinal axis L being included in the latter distance).
  • the female contact 40 can move between a forward position (with a disc 52 abutting on the flange 18) and a rear position (with a disc 54 abutting on the locking means 56), for example over a distance G 1.5 mm.
  • each tongue 48 has a chamfer 58, or bevel, internal, facing the opening 47 of the sleeve 44, and an outer bead 59 (see Figure 3).
  • the outer bead 59 compensates for the reduction in the thickness of the end of the tongue 48 due to the chamfer 58.
  • the outer bead 59 also limits the radial displacement of the tongue 48 and therefore the risk of any plastic deformation thereof.
  • the shaft 14 is in the form of a cylindrical cavity of revolution whose front end is partially closed by a wall 15 substantially perpendicular to the central longitudinal axis L.
  • a passage 17 is formed in this wall 15 to the passage of the male contact 50.
  • This passage 17 comprises a funnel-shaped guide surface 19 to facilitate the insertion and guiding of the male contact 50 in the barrel 14 and in the sleeve 44 whose opening 47 is located behind the passage 17.
  • the passage 17 also comprises a guide portion 21, extending over a few millimeters, whose inner surface is cylindrical of revolution.
  • This guide portion 21 has a chamfer 23 directed towards the inside of the barrel 14 and towards the inner cylindrical wall of this denier.
  • the overlap of the chamfers 23, 58 of the housing 12 and tabs 48 is greater than when the female contact 40 is in the rear position.
  • the surfaces of the chamfers 23, 58 of the housing 12 and the tongues 48 are find in contact.
  • the chamfers 23, 58 interact sufficiently so that the free end 49 of the tabs 48 is spaced from the male contact 50.
  • the tongues 48 are then detached from the male contact 50 and the male contact 50 can be disengaged from the sleeve 44 with less effort ( Figure 4).

Landscapes

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

Abstract

Connector for motor vehicle comprising a female contact (40) comprising flexible tabs (48) intended to apply a contact force to a male contact (50). The female contact (40) moves in the housing (12) between a rear position and a forward position. The tabs (48) are in contact with the male contact (50) when the female contact (40) is in the rear position. When the female contact (40) is in the forward position, chamfers part the tabs (48) in order to separate them from the male contact (50).

Description

Connecteur pour véhicule automobile comportant un contact femelle qui comporte une douille avec au moins une languette flexible  Connector for a motor vehicle having a female contact having a socket with at least one flexible tongue
[ooi] L'invention concerne le domaine des connecteurs électriques, par exemple des connecteurs électriques de puissance et, notamment, les connecteurs électriques de puissance pour véhicules automobiles électriques ou hybrides rechargeables. En particulier, ce type de véhicules nécessite un rechargement régulier et fréquent de leurs batteries. A cette fin, ces véhicules sont reliés à une borne de recharge grâce à un câble de recharge muni à chacune de ses extrémités d'une prise de charge. The invention relates to the field of electrical connectors, for example electrical power connectors and, in particular, electric power connectors for electric motor vehicles or rechargeable hybrids. In particular, this type of vehicle requires a regular and frequent recharging of their batteries. To this end, these vehicles are connected to a charging station through a charging cable provided at each end of a charging socket.
[002] Une prise de charge comporte généralement un connecteur et une poignée. Le connecteur peut être de type « femelle » et comporter alors plusieurs contacts femelles (par exemple sept : trois pour les phases, un pour la terre, un pour le neutre et deux pour les signaux de contrôle). Un contact femelle peut comporter une embase, à laquelle est relié un câble, et une douille destinée à recevoir un contact mâle. La douille comporte plusieurs languettes élastiques écartées par le contact mâle lors de son insertion dans la douille et maintenant une force de contact sur le contact mâle tant que le connecteur femelle est accouplé à un contre-connecteur.  [002] A charging socket generally comprises a connector and a handle. The connector can be of the "female" type and then comprise several female contacts (for example seven: three for the phases, one for the earth, one for the neutral and two for the control signals). A female contact may comprise a base, to which a cable is connected, and a socket intended to receive a male contact. The socket has a plurality of resilient tongues spaced apart by the male contact when inserted into the socket and maintaining a contact force on the male contact as long as the female connector is coupled to a counter connector.
[003] Les charges peuvent se faire avec des intensités pouvant atteindre 120 A. Les prises de charge pour les véhicules électriques nécessitent donc une force de contact élevée entre les contacts afin d'éviter, ou au moins limiter, les échauffements. Mais les efforts d'accouplement ou de désaccouplement des connecteurs des prises de charge sur un contre-connecteur, ne doivent pas être trop importants, afin de pouvoir être réalisés avec une ergonomie adaptée à tout type d'utilisateurs, mais également pour limiter l'usure par abrasion ayant lieu lors des nombreux cycles d'accouplement/désaccouplement (14 000 cycles par exemple).  [003] The loads can be done with intensities up to 120 A. The charging points for electric vehicles therefore require a high contact force between the contacts to avoid, or at least limit, the heating. But the efforts of coupling or uncoupling of the load receptacle connectors on a counter connector, should not be too important, in order to be made with ergonomics suitable for all types of users, but also to limit the abrasion wear occurring during numerous coupling / uncoupling cycles (14,000 cycles for example).
[004] En outre, il peut arriver que de l'usure, de la poussière, du gel, etc. créent, en plus de la force de contact, une adhérence ou une friction supplémentaire entre une ou plusieurs languettes d'un contact femelle et le contact mâle inséré dans celle-ci. Les efforts de désaccouplements peuvent devenir alors trop importants par rapport au niveau d'ergonomie souhaitée. [004] In addition, it can happen that wear, dust, frost, etc. create, in addition to the contact force, additional adhesion or friction between one or more tabs of a female contact and the male contact inserted therein. Decoupling efforts can become too important compared to the desired level of ergonomics.
[005] Un but de l'invention est de fournir un connecteur pour véhicule automobile, notamment pour une prise de charge dans laquelle la force de désaccouplement est mieux contrôlée. [006] A cette fin, on réalise un connecteur comprenant au moins un contact femelle. Ce contact femelle comporte une douille s 'étendant, entre une extrémité avant et une extrémité arrière, le long d'un axe longitudinal central, parallèlement auquel un contact mâle peut être introduit dans la douille. La douille comporte une ouverture vers son extrémité avant, pour l'introduction du contact mâle. La douille comporte également au moins une languette flexible. Cette languette flexible comporte une extrémité libre située au niveau de l'ouverture, cette extrémité libre de la languette pouvant s'écarter (sous l'action du contact mâle lors de l'insertion de celui-ci dans la douille) ou se rapprocher (lorsque le contact mâle est retiré de la douille) de l'axe longitudinal central. Le connecteur comporte aussi un boîtier dans lequel est logé le contact femelle. Ce boîtier comporte un passage situé devant l'ouverture de la douille. Le contact mâle est introduit dans la douille par ce passage. An object of the invention is to provide a connector for a motor vehicle, in particular for a load socket in which the uncoupling force is better controlled. [006] For this purpose, a connector is made comprising at least one female contact. This female contact comprises a socket extending between a front end and a rear end, along a central longitudinal axis, parallel to which a male contact can be introduced into the socket. The socket has an opening towards its front end, for the introduction of the male contact. The socket also has at least one flexible tongue. This flexible tongue has a free end situated at the opening, this free end of the tongue being able to move apart (under the action of the male contact when it is inserted into the socket) or to move closer ( when the male contact is removed from the socket) of the central longitudinal axis. The connector also comprises a housing in which is housed the female contact. This housing has a passage in front of the opening of the socket. The male contact is introduced into the socket through this passage.
[007] En outre, le contact se déplace dans le boîtier entre une position arrière et une position avant, parallèlement à l'axe longitudinal. Lorsque le contact est en position arrière, la languette est plus rapprochée de l'axe longitudinal central, que lorsque le contact est en position avant. Le contact est bloqué par le boîtier lorsque le contact est en position arrière. La languette est écartée de l'axe longitudinal central (et donc du contact mâle) par le boîtier lorsque le contact femelle est en position avant.  In addition, the contact moves in the housing between a rear position and a front position, parallel to the longitudinal axis. When the contact is in the rear position, the tongue is closer to the central longitudinal axis, than when the contact is in the forward position. The contact is blocked by the housing when the contact is in the rear position. The tongue is spaced from the central longitudinal axis (and therefore the male contact) by the housing when the female contact is in the forward position.
[008] Autrement dit, lorsque le contact femelle est en position arrière (position occupée par le contact femelle après insertion du contact mâle dans la douille) la languette repose librement sur le contact mâle de manière à exercer une force de contact maximale. Par contre, lorsque le contact mâle est retiré de la douille, il entraine avec lui le contact femelle vers la position avant, mais dans ce mouvement, la languette et le boîtier interagissent pour écarter la languette de l'axe longitudinal central, ce qui soulève et sépare la languette du contact mâle. Le désaccouplement du connecteur femelle et du contre-connecteur mâle est ainsi facilité.  [008] In other words, when the female contact is in the rear position (position occupied by the female contact after insertion of the male contact in the socket) the tongue rests freely on the male contact so as to exert a maximum contact force. On the other hand, when the male contact is removed from the socket, it carries with it the female contact to the front position, but in this movement, the tongue and the housing interact to move the tongue away from the central longitudinal axis, which raises and separates the tongue from the male contact. The uncoupling of the female connector and the counter-male connector is thus facilitated.
[009] Le connecteur peut comporter l'une ou l'autre des caractéristiques suivantes, considérées isolément ou en combinaison d'une ou plusieurs autres : [009] The connector may include one or other of the following features, considered alone or in combination with one or more others:
[0010] - au moins l'un des éléments parmi la languette et le boîtier comporte un chanfrein pour soulever et écarter la languette en éloignement de l'axe longitudinal central, lorsque le contact femelle est déplacé vers sa position avant ;  At least one of the tongue and the housing comprises a chamfer for lifting and spreading the tongue away from the central longitudinal axis, when the female contact is moved to its front position;
[0011] - un chanfrein est placé à la fois sur le boîtier et sur la languette ; - A chamfer is placed both on the housing and on the tongue;
[0012] - un chanfrein est placé sur le boîtier au niveau du passage et un chanfrein est formé sur l'extrémité libre de la languette ; [0013] - la longueur du déplacement du contact femelle entre ses positions arrière et avant est limitée par deux butées fixes dans le boîtier ; - A chamfer is placed on the housing at the passage and a chamfer is formed on the free end of the tongue; [0013] the length of the displacement of the female contact between its rear and front positions is limited by two fixed stops in the housing;
[0014] - la douille est logée dans une cavité comportant une portion de paroi perpendiculaire à l'axe longitudinal central, délimitant le passage et protégeant l'extrémité libre de la languette, le déplacement du contact femelle de sa position arrière vers sa position avant étant bloqué par une butée avant que l'extrémité libre de la languette n'entre en contact avec une portion de paroi perpendiculaire à l'axe longitudinal central, délimitant le passage ;  - The sleeve is housed in a cavity having a wall portion perpendicular to the central longitudinal axis, defining the passage and protecting the free end of the tongue, the displacement of the female contact from its rear position to its forward position being blocked by a stop before the free end of the tongue comes into contact with a wall portion perpendicular to the central longitudinal axis, delimiting the passage;
[0015] - la languette tend à revenir élastiquement vers l'axe longitudinal central et coopère avec le boîtier pour ramener le contact femelle vers sa position arrière lorsqu'aucun contact mâle est inséré dans la douille. - The tongue tends to return elastically towards the central longitudinal axis and cooperates with the housing to bring the female contact to its rear position when no male contact is inserted into the socket.
[0016] D'autres caractéristiques et avantages de l'invention apparaîtront à la lecture de la description détaillée qui suit ainsi que sur les dessins annexés. Sur ces dessins :  Other features and advantages of the invention will appear on reading the following detailed description and the accompanying drawings. On these drawings:
- la figure 1 représente schématiquement en perspective un câble de charge pour véhicule électrique, muni d'au moins un connecteur conforme à l'invention ; - la figure 2 représente schématiquement en coupe longitudinale un exemple de contact femelle pour un connecteur de la figure 1, avec un contact mâle en position accouplée, le contact femelle étant en position arrière ;  - Figure 1 shows schematically in perspective a charging cable for electric vehicle, provided with at least one connector according to the invention; - Figure 2 shows schematically in longitudinal section an example of female contact for a connector of Figure 1, with a male contact in the coupled position, the female contact being in the rear position;
- la figure 3 représente schématiquement en coupe un détail de la figure 2 ;  - Figure 3 shows schematically in section a detail of Figure 2;
- la figure 4 correspond à une représentation analogue à celle de la figure 3, le contact femelle étant en position avant.  - Figure 4 corresponds to a representation similar to that of Figure 3, the female contact being in the forward position.
[0017] Sur la figure 1 sont représentés deux prises de charge 1, 2 pour véhicule automobile électrique, montées chacune à une extrémité d'un câble de recharge 3. Chacune de ces deux prises de charges 1, 2 comportent un connecteur 10, 20 avec une poignée 11, 21 et des contacts de puissance.  In Figure 1 are shown two charging sockets 1, 2 for an electric motor vehicle, each mounted at one end of a charging cable 3. Each of these two loads 1, 2 comprise a connector 10, 20 with a handle 11, 21 and power contacts.
[0018] Dans la suite de ce document, seul le connecteur 10 est décrit, mais cette description peut éventuellement s'appliquer pour l'essentiel à un autre connecteur, et au connecteur 20 en particulier. In the remainder of this document, only the connector 10 is described, but this description may possibly apply essentially to another connector, and the connector 20 in particular.
[0019] Comme représenté sur la figure 2, le connecteur 10 comporte un boîtier 12 en matériau diélectrique avec des fûts 14 pour recevoir des contacts femelles 40 (sur les figures seul un contact femelle 40 et un fût 14 sont représentés).  As shown in Figure 2, the connector 10 comprises a housing 12 of dielectric material with drums 14 for receiving female contacts 40 (in the figures only a female contact 40 and a shaft 14 are shown).
[0020] Sur la figure 2, l'un de ces contacts femelles 40 de puissance est représenté dans son fût 14. Une partie monobloc de ce contact 40 est usiné par enlèvement de matière à partir d'un barreau de matériau électriquement conducteur (un alliage de cuivre par exemple). Cette partie monobloc comprend une zone de fixation d'un câble 42, une embase 43 et une douille 44 et s'étend le long d'un axe longitudinal central L. Cet axe longitudinal central L est parallèle à la direction d'insertion d'un contact mâle 50 dans la douille 44. In Figure 2, one of these female contacts 40 of power is shown in its barrel 14. A one-piece portion of the contact 40 is machined by removing material from a bar of electrically conductive material (a copper alloy for example). This one-piece portion comprises a cable attachment zone 42, a base 43 and a sleeve 44 and extends along a central longitudinal axis L. This central longitudinal axis L is parallel to the insertion direction of a male contact 50 in the socket 44.
[0021] La douille 44 s'étend le long de l'axe longitudinal central entre une extrémité avant 45 et une extrémité arrière 46. La douille 44 comporte une ouverture 47 au niveau de son extrémité avant 45 pour l'introduction du contact mâle entre des languettes 48. La douille 44 comporte par exemple quatre languettes 48 flexibles régulièrement et symétriquement réparties autour de l'axe longitudinal central L. Chaque languette 48 est incurvée autour de l'axe longitudinal central L. Chaque languette 48 s'étend longitudinalement entre une extrémité liée à l'embase 43 et une extrémité libre 49. The sleeve 44 extends along the central longitudinal axis between a front end 45 and a rear end 46. The sleeve 44 has an opening 47 at its front end 45 for the introduction of the male contact between The bushing 44 comprises, for example, four tongues 48 that are flexible regularly and symmetrically distributed around the central longitudinal axis L. Each tongue 48 is curved about the central longitudinal axis L. Each tongue 48 extends longitudinally between a end connected to the base 43 and a free end 49.
[0022] Au moins, en position de repos, c'est-à-dire dans la position occupée par chaque languette 48 lorsque le contact femelle 40 ne reçoit pas de contact mâle 50, un espace est ménagé entre la paroi interne du fût 14 et chaque languette 48. En position d'utilisation, cet espace est réduit.  At least in the rest position, that is to say in the position occupied by each tongue 48 when the female contact 40 does not receive a male contact 50, a space is provided between the inner wall of the barrel 14 and each tab 48. In the use position, this space is reduced.
[0023] Chaque languette 48 est essentiellement droite et d'épaisseur constante sur l'ensemble de sa longueur (mise à part une portion à proximité de son extrémité libre 49 - voir plus loin). Après décolletage dans un barreau de matière, les languettes 48 sont essentiellement parallèles à l'axe longitudinal central L. Elles sont ensuite légèrement pliées pour être inclinées par rapport à celui-ci, avec une portion plus proche de l'axe longitudinal central L vers l'extrémité libre 49 qu'au niveau de l'embase 43 (autrement dit la section transversale de la douille 44 est plus petite à proximité de l'extrémité libre 49 qu'à proximité de l'embase 43). On obtient ainsi, pour recevoir un contact mâle 50, un espace interne à la douille 44 croissant en rapprochement de l'embase 43.  Each tongue 48 is substantially straight and of constant thickness over its entire length (apart from a portion near its free end 49 - see below). After cutting in a bar of material, the tabs 48 are substantially parallel to the central longitudinal axis L. They are then slightly bent to be inclined relative thereto, with a portion closer to the central longitudinal axis L to the free end 49 at the base 43 (that is, the cross section of the sleeve 44 is smaller near the free end 49 than near the base 43). Thus, to receive a male contact 50, an internal space is obtained at the bushing 44 growing closer to the base 43.
[0024] Deux nervures, ici sous forme de disques, 52, 54 s'étendent radialement à partir de l'embase 43. Ces deux disques 52, 54 sont espacés l'un de l'autre le long de l'axe longitudinal central L, pour former une gorge dans laquelle peut être logé un joint torique (non représenté). Two ribs, here in the form of disks, 52, 54 extend radially from the base 43. These two disks 52, 54 are spaced apart from one another along the central longitudinal axis L, to form a groove in which can be housed an O-ring (not shown).
[0025] L'embase 43 est logée dans une cavité 16 du boîtier 12. Cette cavité 16, dont le diamètre intérieur est plus large que celui d'un fût 14, comporte une collerette 18 formant une butée apte à interagir avec le disque 52, pour bloquer le déplacement D du contact femelle 40 vers l'avant. Des moyens de verrouillage 56 interagissent avec l'autre disque 54 pour verrouiller le contact femelle dans le boîtier 10 et bloquer le déplacement D' du contact femelle 40 vers l'arrière. Ces moyens de verrouillage 56 peuvent être formés par exemple d'une grille arrière venant bloquer l'embase 43 par l'arrière. The base 43 is housed in a cavity 16 of the housing 12. This cavity 16, whose inner diameter is wider than that of a drum 14, has a flange 18 forming a stop capable of interacting with the disc 52 to block the displacement D of the female contact 40 forwards. Locking means 56 interact with the other disk 54 to lock the female contact in the housing 10 and block the displacement D 'of the contact female 40 to the rear. These locking means 56 may be formed for example of a rear gate blocking the base 43 from the rear.
[0026] Un espace est ménagé entre les moyens de verrouillage 56 et la collerette 18, dont la longueur parallèle à l'axe longitudinal central est plus grande que la distance entre les disques 52, 54 (l'épaisseur des disques 52, 54, mesurée parallèlement à l'axe longitudinal central L étant comprise dans cette dernière distance). Ainsi, le contact femelle 40 peut se déplacer entre une position avant (avec un disque 52 en butée sur la collerette 18) et une position arrière (avec un disque 54 en butée sur les moyens de verrouillage 56), par exemple sur une distance G de 1,5 mm.  A space is provided between the locking means 56 and the flange 18, whose length parallel to the central longitudinal axis is greater than the distance between the discs 52, 54 (the thickness of the discs 52, 54, measured parallel to the central longitudinal axis L being included in the latter distance). Thus, the female contact 40 can move between a forward position (with a disc 52 abutting on the flange 18) and a rear position (with a disc 54 abutting on the locking means 56), for example over a distance G 1.5 mm.
[0027] L'extrémité libre 49 de chaque languette 48 comporte un chanfrein 58, ou biseau, interne, orienté vers l'ouverture 47 de la douille 44, et un bourrelet externe 59 (voir figure 3). Le bourrelet externe 59 compense la réduction de l'épaisseur de l'extrémité la languette 48 due au chanfrein 58. Le bourrelet externe 59 limite également le déplacement radial de la languette 48 et donc le risque d'éventuelles déformations plastiques de celle-ci. The free end 49 of each tongue 48 has a chamfer 58, or bevel, internal, facing the opening 47 of the sleeve 44, and an outer bead 59 (see Figure 3). The outer bead 59 compensates for the reduction in the thickness of the end of the tongue 48 due to the chamfer 58. The outer bead 59 also limits the radial displacement of the tongue 48 and therefore the risk of any plastic deformation thereof.
[0028] Le fût 14 se présente sous la forme d'une cavité cylindrique de révolution dont l'extrémité avant est partiellement fermée par une paroi 15 essentiellement perpendiculaire à l'axe longitudinal central L. Un passage 17 est ménagé dans cette paroi 15 pour le passage du contact mâle 50. Ce passage 17 comporte une surface de guidage 19 en forme d'entonnoir pour faciliter l'insertion et le guidage du contact mâle 50 dans le fût 14 et dans la douille 44 dont l'ouverture 47 est située derrière le passage 17. Le passage 17 comporte également une portion de guidage 21, s 'étendant sur quelques millimètres, dont la surface interne est cylindrique de révolution. Cette portion de guidage 21 comporte un chanfrein 23 dirigé vers l'intérieur du fût 14 et vers la paroi cylindrique interne de ce denier. The shaft 14 is in the form of a cylindrical cavity of revolution whose front end is partially closed by a wall 15 substantially perpendicular to the central longitudinal axis L. A passage 17 is formed in this wall 15 to the passage of the male contact 50. This passage 17 comprises a funnel-shaped guide surface 19 to facilitate the insertion and guiding of the male contact 50 in the barrel 14 and in the sleeve 44 whose opening 47 is located behind the passage 17. The passage 17 also comprises a guide portion 21, extending over a few millimeters, whose inner surface is cylindrical of revolution. This guide portion 21 has a chamfer 23 directed towards the inside of the barrel 14 and towards the inner cylindrical wall of this denier.
[0029] En position arrière du contact femelle 40, il y a un léger recouvrement des chanfreins 23, 58, respectivement du boîtier 12 (au niveau de la portion de guidage 21) et des languettes 48 (au niveau de leurs extrémités libres 49). Autrement dit les surfaces des chanfreins 23, 58, respectivement du boîtier 12 et des languettes 48 se trouvent partiellement en vis-à-vis. Cependant ces chanfreins 23, 58 n'interagissent pas, ou pas suffisamment pour que l'extrémité libre 49 des languettes 48 ne soit écartée du contact mâle 50 (figure 3).  In the rear position of the female contact 40, there is a slight overlap of the chamfers 23, 58, respectively of the housing 12 (at the level of the guide portion 21) and the tongues 48 (at their free ends 49). . In other words the surfaces of the chamfers 23, 58, respectively of the housing 12 and the tongues 48 are partially in facing relation. However, these chamfers 23, 58 do not interact, or not sufficiently so that the free end 49 of the tabs 48 is spaced from the male contact 50 (Figure 3).
[0030] En position avant du contact femelle 40, le recouvrement des chanfreins 23, 58 du boîtier 12 et des languettes 48 est plus important que lorsque le contact femelle 40 est en position arrière. Les surfaces des chanfreins 23, 58 du boîtier 12 et des languettes 48 se trouvent en contact. Les chanfreins 23, 58 interagissent suffisamment pour que l'extrémité libre 49 des languettes 48 soit écartée du contact mâle 50. Les languettes 48 sont alors décollées du contact mâle 50 et le contact mâle 50 peut être désengagé de la douille 44 avec un moindre effort (figure 4). In the front position of the female contact 40, the overlap of the chamfers 23, 58 of the housing 12 and tabs 48 is greater than when the female contact 40 is in the rear position. The surfaces of the chamfers 23, 58 of the housing 12 and the tongues 48 are find in contact. The chamfers 23, 58 interact sufficiently so that the free end 49 of the tabs 48 is spaced from the male contact 50. The tongues 48 are then detached from the male contact 50 and the male contact 50 can be disengaged from the sleeve 44 with less effort (Figure 4).
[0031] Lorsque le contact mâle 50 est complètement désengagé de la douille 44, les chanfreins 23, 58 glissent l'un sur l'autre sous l'effet de la force élastique de la languette 48 qui tend à ramener l'extrémité libre 49 vers l'axe longitudinal central L, ce qui ramène le contact femelle 40. When the male contact 50 is completely disengaged from the sleeve 44, the chamfers 23, 58 slide on one another under the effect of the elastic force of the tongue 48 which tends to bring the free end 49 towards the central longitudinal axis L, which brings back the female contact 40.
[0032] Afin de protéger les languettes 48 et que celles-ci ne soient déformées, le déplacement du contact femelle 40 de sa position arrière vers sa position avant est bloqué par la butée 18 avant que son extrémité libre 49 n'entre en contact avec la paroi 15.  In order to protect the tongues 48 and that they are deformed, the displacement of the female contact 40 from its rear position to its forward position is blocked by the stop 18 before its free end 49 comes into contact with the wall 15.

Claims

Revendications claims
1. Connecteur pour véhicule automobile comprenant 1. Connector for a motor vehicle comprising
un contact femelle (40) comportant une douille (44) s 'étendant, entre une extrémité avant (45) et une extrémité arrière (46), le long d'un axe longitudinal central (L), parallèlement auquel un contact mâle (50) peut être introduit dans la douille (44), la douille (44) comportant une ouverture (47) vers son extrémité avant (45), pour l'introduction du contact mâle (50), la douille (44) comportant également au moins une languette (48) flexible ayant une extrémité libre (49) située au niveau de l'ouverture (47), cette extrémité libre (49) de la languette (48) pouvant s'écarter ou se rapprocher de l'axe longitudinal central (L),  a female contact (40) having a bushing (44) extending between a front end (45) and a rear end (46) along a central longitudinal axis (L), parallel to which a male contact (50) ) can be inserted into the socket (44), the socket (44) having an opening (47) towards its front end (45), for the introduction of the male contact (50), the socket (44) also comprising at least a flexible tongue (48) having a free end (49) located at the opening (47), this free end (49) of the tongue (48) being able to move away from or close to the central longitudinal axis ( L)
un boîtier (12) dans lequel est logé le contact femelle (40), ce boîtier (12) comportant un passage (17) situé devant l'ouverture (47) de la douille (44), par lequel le contact mâle (50) est introduit dans la douille (44),  a housing (12) in which the female contact (40) is housed, this housing (12) having a passage (17) located in front of the opening (47) of the bushing (44), through which the male contact (50) is introduced into the sleeve (44),
caractérisé par le fait que le contact femelle (40) se déplace dans le boîtier (12) entre une position arrière et une position avant, parallèlement à l'axe longitudinal (L), la languettecharacterized in that the female contact (40) moves in the housing (12) between a rear position and a forward position, parallel to the longitudinal axis (L), the tongue
(48) étant plus rapprochée de l'axe longitudinal central (L), lorsque le contact femelle (40) est en position arrière que lorsque le contact femelle (40) est en position avant, et la languette (48) étant écartée, de l'axe longitudinal central (L), par le boîtier (12) lorsque le contact femelle (40) est en position avant. (48) being closer to the central longitudinal axis (L), when the female contact (40) is in the rear position than when the female contact (40) is in the forward position, and the tongue (48) being discarded, the central longitudinal axis (L), by the housing (12) when the female contact (40) is in the forward position.
2. Connecteur selon la revendication 1, dans lequel au moins l'un des éléments parmi la languette (48) et le boîtier (12) comporte un chanfrein (23, 58) pour soulever et écarter la languette (48) en éloignement de l'axe longitudinal central (L), lorsque le contact femelle (40) est déplacé vers sa position avant. The connector according to claim 1, wherein at least one of the tongue (48) and the housing (12) has a chamfer (23, 58) for lifting and spreading the tongue (48) away from the tongue. central longitudinal axis (L), when the female contact (40) is moved to its forward position.
3. Connecteur selon la revendication 2, dans lequel un chanfrein (23, 58) est placé à la fois sur le boîtier (12) et sur la languette (48). 3. The connector of claim 2, wherein a chamfer (23, 58) is placed on both the housing (12) and the tongue (48).
4. Connecteur selon la revendication 3, dans lequel un chanfrein (23) est placé sur le boîtier (12) au niveau du passage (17) et un chanfrein (58) est formé sur l'extrémité libre4. A connector according to claim 3, wherein a chamfer (23) is placed on the housing (12) at the passage (17) and a chamfer (58) is formed on the free end.
(49) de la languette (48). (49) of the tongue (48).
5. Connecteur selon l'une des revendications précédentes dans lequel la longueur du déplacement du contact femelle (40) entre ses positions arrière et avant est limitée par deux butées fixes (18, 56) dans le boîtier (12). 5. Connector according to one of the preceding claims wherein the length of the displacement of the female contact (40) between its rear and front positions is limited by two fixed stops (18, 56) in the housing (12).
6. Connecteur selon la revendication 5, dans lequel la douille (44) est logée dans un fût (14) comportant une portion de paroi (15) perpendiculaire à l'axe longitudinal central (L), délimitant le passage (17) et protégeant l'extrémité libre (49) de la languette (48), le déplacement du contact femelle (40) de sa position arrière vers sa position avant étant bloqué par une butée (18) avant que l'extrémité libre (49) de la languette (48) n'entre en contact avec la portion de paroi (15) perpendiculaire à l'axe longitudinal central (L), délimitant le passage (17). 6. The connector of claim 5, wherein the sleeve (44) is housed in a shaft (14) having a wall portion (15) perpendicular to the central longitudinal axis (L), defining the passage (17) and protecting the free end (49) of the tongue (48), the displacement of the female contact (40) from its rear position to its forward position being blocked by a stop (18) before the free end (49) of the tongue (48) does not contact the wall portion (15) perpendicular to the central longitudinal axis (L), delimiting the passage (17).
7. Connecteur selon l'une des revendications précédentes, dans lequel la languette (48) tend à revenir élastiquement vers l'axe longitudinal central (L) et coopère avec le boîtier7. Connector according to one of the preceding claims, wherein the tongue (48) tends to return elastically towards the central longitudinal axis (L) and cooperates with the housing
(12) pour ramener le contact femelle (40) vers sa position arrière lorsqu'aucun contact mâle (50) est inséré dans la douille (44). (12) for returning the female contact (40) to its rear position when no male contact (50) is inserted into the socket (44).
EP17725586.6A 2016-05-25 2017-05-23 Connector for motor vehicle including a female contact that includes a socket with at least one flexible tab Active EP3465834B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1654696A FR3051982B1 (en) 2016-05-25 2016-05-25 MOTOR VEHICLE CONNECTOR HAVING A FEMALE CONTACT WHICH HAS A SOCKET WITH AT LEAST ONE FLEXIBLE TONGUE
PCT/EP2017/062477 WO2017202877A1 (en) 2016-05-25 2017-05-23 Connector for a motor vehicle comprising a female contact which comprises a socket with at least one flexible tab

Publications (2)

Publication Number Publication Date
EP3465834A1 true EP3465834A1 (en) 2019-04-10
EP3465834B1 EP3465834B1 (en) 2021-09-15

Family

ID=56802607

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17725586.6A Active EP3465834B1 (en) 2016-05-25 2017-05-23 Connector for motor vehicle including a female contact that includes a socket with at least one flexible tab

Country Status (3)

Country Link
EP (1) EP3465834B1 (en)
FR (1) FR3051982B1 (en)
WO (1) WO2017202877A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3091959B1 (en) * 2019-01-23 2022-11-11 Aptiv Tech Ltd Method for mounting a female power connector with prestressed contact blade

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE208T1 (en) * 1978-05-08 1981-09-15 Bicc-Burndy Limited ELECTRICAL CONNECTOR.
FR2553940B3 (en) * 1983-10-25 1985-12-20 Pouyet Henri DEVICE FOR THE ELECTRICAL CONNECTION OF NON-STRIPED METAL CONDUCTORS
DE3813948A1 (en) * 1988-04-26 1989-11-09 Hans Simon Insulating housing for a flat-plug sleeve
US5525070A (en) * 1994-04-15 1996-06-11 Panduit Corp. Positive lock insulated disconnect
JP5965811B2 (en) * 2012-10-03 2016-08-10 矢崎総業株式会社 connector

Also Published As

Publication number Publication date
FR3051982A1 (en) 2017-12-01
FR3051982B1 (en) 2022-12-16
WO2017202877A1 (en) 2017-11-30
EP3465834B1 (en) 2021-09-15

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