EP2104963B1 - Watertight electric connection device including two conjugated connection members - Google Patents

Watertight electric connection device including two conjugated connection members Download PDF

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Publication number
EP2104963B1
EP2104963B1 EP07870347A EP07870347A EP2104963B1 EP 2104963 B1 EP2104963 B1 EP 2104963B1 EP 07870347 A EP07870347 A EP 07870347A EP 07870347 A EP07870347 A EP 07870347A EP 2104963 B1 EP2104963 B1 EP 2104963B1
Authority
EP
European Patent Office
Prior art keywords
seal
connection
elements
housing
connection 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.)
Not-in-force
Application number
EP07870347A
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German (de)
French (fr)
Other versions
EP2104963A2 (en
Inventor
Mounim Houir Alami
Arnaud Calbel
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.)
Societe dExploitation des Procedes Marechal SEPM SA
Original Assignee
Societe dExploitation des Procedes Marechal SEPM SA
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.)
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Publication date
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Publication of EP2104963A2 publication Critical patent/EP2104963A2/en
Application granted granted Critical
Publication of EP2104963B1 publication Critical patent/EP2104963B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • H01R13/46—Bases; Cases
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/5219—Sealing means between coupling parts, e.g. interfacial seal
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/625—Casing or ring with bayonet engagement

Definitions

  • the invention relates to a sealed electrical connection device comprising two conjugated connection elements.
  • connection devices comprising two conjugated connection elements, one of which comprises an outer casing, and which are each provided with electrical contacts intended to cooperate with each other in a connection position, after coupling of said elements obtained. by a first relative translational movement, followed by a rotation and a second translation, the connection elements being at the end of said rotation in an intermediate position of rest in which said elements are held temporarily between them, without connection of contacts, while the connection is established between the contacts of the two connecting elements at the end of the second translation determining said connection position.
  • one of the elements constitutes a base socket, or the mobile socket of an extension or a connector, while the other element can be a fixed connector base or provided with a handle to form a form.
  • Means have already been devised for sealing the element under tension in the absence of coupling, for example by providing a cover.
  • EP-A1-1 102 362 discloses a base provided with a seal formed therein, between an insulating block and a housing.
  • connection device as described above, in particular for problems of guiding the connection elements with each other, the impossibility of a rotation of said connection elements on one another, the impossibility of adding a security disk, ...
  • the invention proposes a device of the aforementioned type about the document EP-A1-1 102 362 and which thus comprises two elements which mate in the manner described above but which is remarkable in that the conjugate connecting element of the element comprising the outer casing, is provided with an outer tubular flexible seal fixed by one end to said element and provided with at least one annular abutment end surface which is intended to cooperate by contact with a conjugate surface provided on said casing of the other element, and which comprises a rigid or semi-rigid ring provided with means guiding in translation during the coupling of the connecting elements, so that a sealing is ensured between said connecting elements from at least their intermediate rest position to their connection position because of the cooperation of the annular abutment surface of the abutment of the seal and the mating surface of the casing, said seal being further bent in the connecting position of u fact of the second relative translational movement of the connection elements, while said conjugate surfaces are arranged to allow sliding on one another during the rotary movement of said connecting elements.
  • the guide means comprise a sheath integral with the ring of the seal, which is slidable on a fixed part of the connecting element provided with said seal and in this case for example, the sheath further comprises an elastic means of recall in initial position of extension of the joint.
  • the surface of the housing intended to cooperate with the front surface of the seal is frustoconical and striated.
  • the seal is folded accordion, but according to another particularly advantageous embodiment, the seal is arranged to undergo a simple folding inward during the connection maneuvers.
  • the seal has a circular cylindrical portion at its end fixed to the corresponding connection member, extended by a frustoconical portion which terminates in the annular end face abutment forming a shoulder.
  • the conjugate means for guiding in rotation and retaining in the intermediate rest position of the connection elements are arranged, on the one hand, on the end ring of the seal and, on the other hand, at the end of the housing, said ring extending beyond the annular abutment end surface of the seal and being dimensioned to come at least partly inside said housing.
  • said conjugate means of rotation guide and intermediate position retaining are of type pins and ramps, said ramps having a slope which increases the pressure of the annular end surface of the seal abutment on the conjugate surface of the housing.
  • FIG. 1 shows a mobile extension socket 1 ( figures 1 and 3 to 5 ), intended to cooperate with a form 2 ( figures 2 and 3 to 5 ), the movable socket as the plug each forming, as shown, a handle.
  • the plug 1 and the plug 2 are each provided with contacts in the form, for example, of end contacts, such as contact 3 diagrammatically in the drawings, for the plug, and pins, such as 4a, 4b, for the plug .
  • the contacts 3 could moreover be cells rather than end contacts in order to form said contacts with pins and cells, the invention being also independent of the nature of the contacts.
  • the contacts of the socket are supplied with current by electric cables shown schematically in 6a, 6b.
  • the contact pins 4a, 4b of the plug are also connected to electric cables 7a, 7b, themselves intended to be connected to a device or a device to be supplied with current.
  • the contacts 3 of the socket are mounted in an insulating block 8 surrounded here in part by a sleeve 9 mounted free in translation and provided with an elastic return means 10, in the form of a helical spring in this example.
  • the sleeve 9 terminates in an annular portion forming a ring 11 which, in this example, surrounds in at least the initial state at least in part the safety disc 5.
  • the plug 2 has an outer casing 12 surrounding the pins 4a, 4b while the movable plug 1 is provided with an outer tubular flexible seal 13 fixed at one end to a portion of said plug and at its other end to the ring 11.
  • the seal 13 has a circular cylindrical portion 13a of the side fixed to the movable socket 1, which is extended by a frustoconical portion 13b.
  • the surface 15 of the housing 12 is substantially frustoconical and ridged for better contact.
  • the materials used for the casing and the seal and / or the state of the surfaces 14 and 15 are chosen to allow a certain sliding of said surfaces on one another during a rotary movement as will be specified hereinafter .
  • the socket 1 and the plug 2 are provided with means for guiding rotation and retaining the plug 2 in the socket 1.
  • the pins 4a, 4b are introduced into openings formed for this purpose in the safety disk 5, the angular positioning and the first translational movement being guided by the lugs 16 and the ramps 17a, 17b of the elements, while the surfaces 14 and 15, respectively of the seal 13 and the housing 12, come into contact, that is to say abut against one another.
  • Ramps 17a and 17b clearly visible on the figure 1 then allow a guide in rotation of the plug 2 and the socket 1, the surfaces 14 and 15 sliding on one another until said plug 1 and said plug 2 take the position shown on the figure 4 , so-called rest position.
  • contact surfaces 14 and 15 is sufficient to ensure a seal between the housing 12 of the plug 2 and the seal 13 of the socket, the latter having already or not already undergoes a first slight wrinkling which will be discussed below.
  • the seal may result from the simple contact of the surfaces 14 and 15, said surfaces may have various forms to improve said seal.
  • Ramps 17a, 17b may also have a certain slope to allow a slight tightening.
  • seal 13 can be considered according to other embodiments than the one shown. Said seal must be flexible to be able to undergo a wrinkling resulting in longitudinal shortening.
  • the seal may, for example, be a bellows seal, the pleated accordion type which can undergo during the last translation a folding and a shortening by compression of said seal.
  • the embodiment shown is less cumbersome and makes it possible to reduce the diameter of the apparatus while limiting the length of the fact that the seal of this embodiment can work (folding and unfolding) in a cylindrical volume shorter and less wide. Moreover, such a shape avoids the accumulation of dirt that is inevitable with an accordion shape.

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  • Connector Housings Or Holding Contact Members (AREA)

Abstract

The device has a mobile socket (1) connected to a plug (2) comprising an external case (12). An external tubular flexible joint (13) is fixed to the socket. The joint has an annular frontal stop surface (14) cooperated with a surface (15) of the case such that sealing is ensured between the socket and the plug from an intermediate rest position till a connection position. The joint is subjected to folding in the connection position due to translational movements of the socket and the plug. The surfaces are slid with respect to each other during rotational movement of the socket and the plug.

Description

L'invention concerne un dispositif de connexion électrique étanche comportant deux éléments de connexion conjugués.The invention relates to a sealed electrical connection device comprising two conjugated connection elements.

Il est connu de réaliser des dispositifs de connexion électrique comportant deux éléments de connexion conjugués, dont l'un comporte un carter extérieur, et qui sont munis chacun de contacts électriques destinés à coopérer entre eux dans une position de connexion, après accouplement desdits éléments obtenu par un premier mouvement relatif de translation, suivi d'une rotation et d'une seconde translation, les éléments de connexion étant à la fin de ladite rotation dans une position intermédiaire de repos dans laquelle lesdits éléments sont retenus temporairement entre eux, sans connexion des contacts, tandis que la connexion n'est établie entre les contacts des deux éléments de connexion qu'à la fin de la seconde translation déterminant ladite position de connexion.It is known to provide electrical connection devices comprising two conjugated connection elements, one of which comprises an outer casing, and which are each provided with electrical contacts intended to cooperate with each other in a connection position, after coupling of said elements obtained. by a first relative translational movement, followed by a rotation and a second translation, the connection elements being at the end of said rotation in an intermediate position of rest in which said elements are held temporarily between them, without connection of contacts, while the connection is established between the contacts of the two connecting elements at the end of the second translation determining said connection position.

Un tel dispositif est notamment décrit dans le document EP-A1-1 102 362 au nom du demandeur.Such a device is described in particular in the document EP-A1-1 102 362 on behalf of the applicant.

Par exemple, l'un des éléments constitue un socle de prise de courant, ou encore la prise mobile d'un prolongateur ou d'un connecteur, tandis que l'autre élément peut être un socle de connecteur fixe ou muni d'une poignée pour former une fiche.For example, one of the elements constitutes a base socket, or the mobile socket of an extension or a connector, while the other element can be a fixed connector base or provided with a handle to form a form.

Il est souvent important, voire obligatoire dans certains lieux ou milieux, de pouvoir assurer une étanchéité d'un tel dispositif.It is often important, even mandatory in certain places or environments, to be able to seal such a device.

On a déjà imaginé des moyens pour assurer une étanchéité de l'élément sous tension en l'absence d'accouplement en prévoyant par exemple un couvercle.Means have already been devised for sealing the element under tension in the absence of coupling, for example by providing a cover.

Toutefois, il faut aussi pouvoir assurer une étanchéité du dispositif aussi bien dans la position intermédiaire de repos que dans la position de connexion.However, it must also be able to ensure a seal of the device both in the intermediate position of rest as in the connection position.

En vue d'assurer une telle étanchéité, le document précité EP-A1-1 102 362 décrit un socle muni d'un joint d'étanchéité aménagé dans celui-ci, entre un bloc isolant et un carter.In order to ensure such a seal, the aforementioned document EP-A1-1 102 362 discloses a base provided with a seal formed therein, between an insulating block and a housing.

Cependant, un tel dispositif ne donne pas satisfaction et les inventeurs ont dû imaginer et trouver d'autres moyens.However, such a device is unsatisfactory and the inventors had to imagine and find other ways.

Par ailleurs, il est également connu du document US-A-3,683,315 un connecteur de câble pourvu d'un joint extérieur.Moreover, it is also known from the document US Patent 3,683,315 a cable connector provided with an outer seal.

Toutefois, un tel système est inadapté pour réaliser un dispositif de connexion tel que décrit précédemment, notamment pour des problèmes de guidage des éléments de connexion entre eux, l'impossibilité d'une rotation desdits éléments de connexion l'un sur l'autre, l'impossibilité d'adjoindre un disque de sécurité, ...However, such a system is unsuitable for producing a connection device as described above, in particular for problems of guiding the connection elements with each other, the impossibility of a rotation of said connection elements on one another, the impossibility of adding a security disk, ...

C'est pourquoi, l'invention propose un dispositif du type précité à propos du document EP-A1-1 102 362 et qui comporte donc deux éléments qui s'accouplent de la manière décrite ci-avant mais qui est remarquable en ce que l'élément de connexion conjugué de l'élément comportant le carter extérieur, est pourvu d'un joint souple tubulaire extérieur fixé par une extrémité audit élément et muni d'au moins une surface frontale annulaire de butée qui est destinée à coopérer par contact avec une surface conjuguée prévue sur ledit carter de l'autre élément, et qui comporte un anneau rigide ou semi-rigide muni de moyens assurant un guidage en translation au cours de l'accouplement des éléments de connexion, de telle sorte qu'une étanchéité est assurée entre lesdits éléments de connexion depuis au moins leur position intermédiaire de repos jusqu'à leur position de connexion du fait de la coopération de la surface frontale annulaire de butée du joint et de la surface conjuguée du carter, ledit joint subissant en outre un plissement dans la position de connexion du fait du second mouvement relatif translatif des éléments de connexion, tandis que lesdites surfaces conjuguées sont aménagées pour permettre un glissement l'une sur l'autre au cours du mouvement rotatif desdits éléments de connexion.Therefore, the invention proposes a device of the aforementioned type about the document EP-A1-1 102 362 and which thus comprises two elements which mate in the manner described above but which is remarkable in that the conjugate connecting element of the element comprising the outer casing, is provided with an outer tubular flexible seal fixed by one end to said element and provided with at least one annular abutment end surface which is intended to cooperate by contact with a conjugate surface provided on said casing of the other element, and which comprises a rigid or semi-rigid ring provided with means guiding in translation during the coupling of the connecting elements, so that a sealing is ensured between said connecting elements from at least their intermediate rest position to their connection position because of the cooperation of the annular abutment surface of the abutment of the seal and the mating surface of the casing, said seal being further bent in the connecting position of u fact of the second relative translational movement of the connection elements, while said conjugate surfaces are arranged to allow sliding on one another during the rotary movement of said connecting elements.

Avantageusement, les moyens de guidage comportent un fourreau solidaire de l'anneau du joint, qui vient coulisser sur une partie fixe de l'élément de connexion pourvu dudit joint et dans ce cas par exemple, le fourreau comporte en outre un moyen élastique de rappel en position initiale d'extension du joint.Advantageously, the guide means comprise a sheath integral with the ring of the seal, which is slidable on a fixed part of the connecting element provided with said seal and in this case for example, the sheath further comprises an elastic means of recall in initial position of extension of the joint.

De préférence, la surface du carter destinée à coopérer avec la surface frontale du joint, est tronconique et striée.Preferably, the surface of the housing intended to cooperate with the front surface of the seal, is frustoconical and striated.

Selon un mode de réalisation, le joint est plissé en accordéon, mais selon un autre mode de réalisation particulièrement avantageux, le joint est aménagé pour subir un simple repliement vers l'intérieur au cours des manoeuvres de connexion.According to one embodiment, the seal is folded accordion, but according to another particularly advantageous embodiment, the seal is arranged to undergo a simple folding inward during the connection maneuvers.

Dans ce dernier cas, par exemple, le joint présente une partie cylindrique circulaire à son extrémité fixée à l'élément dé connexion correspondant, prolongée par une partie tronconique qui se termine par la surface frontale annulaire de butée formant un épaulement.In the latter case, for example, the seal has a circular cylindrical portion at its end fixed to the corresponding connection member, extended by a frustoconical portion which terminates in the annular end face abutment forming a shoulder.

Selon un mode de réalisation, les moyens conjugués de guidage en rotation et de retenue en position intermédiaire de repos des éléments de connexion sont aménagés, d'une part, sur l'anneau d'extrémité du joint et, d'autre part, à l'extrémité du carter, ledit anneau s'étendant au-delà de la surface frontale annulaire de butée du joint et étant dimensionné pour venir au moins en partie à l'intérieur dudit carter.According to one embodiment, the conjugate means for guiding in rotation and retaining in the intermediate rest position of the connection elements are arranged, on the one hand, on the end ring of the seal and, on the other hand, at the end of the housing, said ring extending beyond the annular abutment end surface of the seal and being dimensioned to come at least partly inside said housing.

Par exemple, lesdits moyens conjugués de guidage en rotation et de retenue en position intermédiaire sont de type à ergots et rampes, lesdites rampes présentant une pente qui accentue la pression de la surface frontale annulaire de butée du joint sur la surface conjuguée du carter.For example, said conjugate means of rotation guide and intermediate position retaining are of type pins and ramps, said ramps having a slope which increases the pressure of the annular end surface of the seal abutment on the conjugate surface of the housing.

L'invention sera bien comprise à la lecture de la description qui va suivre et qui se réfère aux dessins annexés dans lesquels :

  • les figures 1 et 2 montrent en perspective deux éléments constitutifs d'un mode de réalisation d'un dispositif de connexion selon l'invention, sous la forme ici, non limitative, d'un prolongateur comportant une prise mobile de prolongateur (figure 1) et une fiche (figure 2),
  • la figure 3 montre en coupe longitudinale le dispositif des figures 1 et 2 avant accouplement,
  • la figure 4 est une coupe correspondante de la figure 3, mais dans laquelle les deux éléments sont représentés en partie accouplés, en position intermédiaire de repos,
  • la figure 5 est une coupe correspondante des figures 3 et 4, mais dans laquelle les deux éléments sont représentés en position de connexion.
The invention will be better understood on reading the description which follows and which refers to the appended drawings in which:
  • the Figures 1 and 2 show in perspective two constituent elements of an embodiment of a connection device according to the invention, in the form here, not limiting, of an extension comprising a mobile extension connector ( figure 1 ) and a form ( figure 2 )
  • the figure 3 shows in longitudinal section the device of Figures 1 and 2 before coupling,
  • the figure 4 is a corresponding section of the figure 3 , but in which the two elements are represented in part coupled, in an intermediate rest position,
  • the figure 5 is a corresponding section of Figures 3 and 4 but in which the two elements are represented in the connection position.

Si les dessins représentent à titre d'exemple un prolongateur, il pourrait bien sûr s'agir, comme déjà dit ci-avant, d'une prise de courant avec socle, ou d'un connecteur.If the drawings represent an example of an extension, it could of course be, as already said above, a socket with base, or a connector.

Les dessins montrent une prise mobile 1 de prolongateur (figures 1 et 3 à 5), destinée à coopérer avec une fiche 2 (figures 2 et 3 à 5), la prise mobile comme la fiche formant chacune, comme représenté, une poignée.The drawings show a mobile extension socket 1 ( figures 1 and 3 to 5 ), intended to cooperate with a form 2 ( figures 2 and 3 to 5 ), the movable socket as the plug each forming, as shown, a handle.

La prise 1 et la fiche 2 sont pourvues chacune de contacts sous forme par exemple ici, de contacts en bout, tels que le contact 3 schématisé sur les dessins, pour la prise, et de broches, telles que 4a, 4b, pour la fiche.The plug 1 and the plug 2 are each provided with contacts in the form, for example, of end contacts, such as contact 3 diagrammatically in the drawings, for the plug, and pins, such as 4a, 4b, for the plug .

Il est clair bien entendu que le nombre de contacts est quelconque, un contact central de terre étant en outre généralement prévu, mais ces aspects sont indépendants de la présente invention.It is clear, of course, that the number of contacts is arbitrary, a central ground contact being furthermore generally provided, but these aspects are independent of the present invention.

Les contacts 3 pourraient être de plus des alvéoles plutôt que des contacts en bout afin de former des contacts dits à broches et alvéoles, l'invention étant également indépendante de la nature des contacts.The contacts 3 could moreover be cells rather than end contacts in order to form said contacts with pins and cells, the invention being also independent of the nature of the contacts.

Dans le mode de réalisation représenté, on a en outre prévu un disque rotatif 5, dit de sécurité.In the embodiment shown, there is further provided a rotating disc 5, said security.

Les contacts de la prise sont alimentés en courant par des câbles électriques schématisés en 6a, 6b.The contacts of the socket are supplied with current by electric cables shown schematically in 6a, 6b.

Les broches de contact 4a, 4b de la fiche sont également raccordées à des câbles électriques 7a, 7b, eux-mêmes destinés à être raccordés à un appareil ou un dispositif à alimenter en courant.The contact pins 4a, 4b of the plug are also connected to electric cables 7a, 7b, themselves intended to be connected to a device or a device to be supplied with current.

Les contacts 3 de la prise sont montés dans un bloc isolant 8 entouré ici en partie d'un fourreau 9 monté libre en translation et muni d'un moyen élastique de rappel 10, sous forme dans cet exemple d'un ressort hélicoïdal.The contacts 3 of the socket are mounted in an insulating block 8 surrounded here in part by a sleeve 9 mounted free in translation and provided with an elastic return means 10, in the form of a helical spring in this example.

Le fourreau 9 se termine par une partie annulaire formant un anneau 11 qui, dans cet exemple, entoure dans au moins l'état initial au moins en partie le disque 5 de sécurité.The sleeve 9 terminates in an annular portion forming a ring 11 which, in this example, surrounds in at least the initial state at least in part the safety disc 5.

Comme le montrent bien en outre les dessins, la fiche 2 présente un carter extérieur 12 qui entoure les broches 4a, 4b tandis que la prise mobile 1 est pourvue d'un joint 13 souple tubulaire extérieur fixé par une extrémité à une partie de ladite prise et à son autre extrémité à l'anneau 11. Dans cet exemple avantageux, le joint 13 présente une partie cylindrique circulaire 13a du côté fixé à la prise mobile 1, qui est prolongée par une partie tronconique 13b.As further shown in the drawings, the plug 2 has an outer casing 12 surrounding the pins 4a, 4b while the movable plug 1 is provided with an outer tubular flexible seal 13 fixed at one end to a portion of said plug and at its other end to the ring 11. In this advantageous example, the seal 13 has a circular cylindrical portion 13a of the side fixed to the movable socket 1, which is extended by a frustoconical portion 13b.

En position de repos (figure 4), comme en position de connexion (figure 5), l'anneau 11 de la prise 1 rentre dans le carter 12 de la fiche 2, tandis que l'extrémité du joint 13 présente une surface frontale annulaire 14, sous forme ici d'un épaulement, destinée à venir en contact de manière étanche avec une surface conjuguée 15 dudit carter, formée ici par la tranche d'extrémité de ce dernier.In the rest position ( figure 4 ), as in the connection position ( figure 5 ), the ring 11 of the socket 1 enters the housing 12 of the plug 2, while the end of the seal 13 has an annular front surface 14, here in the form of a shoulder, intended to come into contact with sealed with a mating surface 15 of said housing, formed here by the end portion thereof.

En outre, dans cet exemple, la surface 15 du carter 12 est sensiblement tronconique et striée pour un meilleur contact.In addition, in this example, the surface 15 of the housing 12 is substantially frustoconical and ridged for better contact.

Les matières utilisées pour le carter et le joint et/ou l'état des surfaces 14 et 15 sont choisies pour permettre un certain glissement desdites surfaces l'une sur l'autre au cours d'un mouvement rotatif comme il sera précisé ci-après.The materials used for the casing and the seal and / or the state of the surfaces 14 and 15 are chosen to allow a certain sliding of said surfaces on one another during a rotary movement as will be specified hereinafter .

Par ailleurs, comme le montrent plus particulièrement les figures 1 à 3, la prise 1 et la fiche 2 sont pourvues de moyens de guidage en rotation et de retenue de la fiche 2 dans la prise 1.Moreover, as shown more particularly by Figures 1 to 3 , the socket 1 and the plug 2 are provided with means for guiding rotation and retaining the plug 2 in the socket 1.

Ces moyens se présentent dans l'exemple représenté sous la forme ici d'ergots, tels que l'ergot 16 visible sur les figures 2 et 3, aménagés sur la paroi interne du carter 12, et de rampes, telles que les rampes 17a, 17b, aménagées sur l'anneau 11 de la prise 1, comme le montre la figure 1.These means are in the example shown here in the form of pins, such as the lug 16 visible on the figures 2 and 3 , arranged on the inner wall of the housing 12, and ramps, such as the ramps 17a, 17b, arranged on the ring 11 of the socket 1, as shown in FIG. figure 1 .

Le fonctionnement est désormais simple à comprendre.Operation is now easy to understand.

En partant de la figure 1, on rapproche entre elles la prise 1 et la fiche 2 en vue de leur accouplement.Starting from the figure 1 the plug 1 and the plug 2 are brought together for coupling.

Les broches 4a, 4b sont introduites dans des ajours aménagés à cet effet dans le disque de sécurité 5, le positionnement angulaire et le premier mouvement translatif étant guidés par les ergots 16 et les rampes 17a, 17b des éléments, tandis que les surfaces 14 et 15, respectivement du joint 13 et du carter 12, entrent en contact, c'est-à-dire en butée l'une contre l'autre.The pins 4a, 4b are introduced into openings formed for this purpose in the safety disk 5, the angular positioning and the first translational movement being guided by the lugs 16 and the ramps 17a, 17b of the elements, while the surfaces 14 and 15, respectively of the seal 13 and the housing 12, come into contact, that is to say abut against one another.

Les rampes 17a et 17b bien visibles sur la figure 1 permettent alors un guidage en rotation de la fiche 2 et de la prise 1, les surfaces 14 et 15 glissant l'une sur l'autre jusqu'à ce que ladite prise 1 et ladite fiche 2 prennent la position représentée sur la figure 4, position dite de repos.Ramps 17a and 17b clearly visible on the figure 1 then allow a guide in rotation of the plug 2 and the socket 1, the surfaces 14 and 15 sliding on one another until said plug 1 and said plug 2 take the position shown on the figure 4 , so-called rest position.

Dans cette position de la figure 4, la prise 1 et la fiche 2 sont maintenues ensemble grâce aux ergots 16 et aux rampes 17a, 17b.In this position of the figure 4 , the plug 1 and the plug 2 are held together by the lugs 16 and the ramps 17a, 17b.

En outre, toujours dans la position de la figure 4, le contact des surfaces 14 et 15 est suffisant pour assurer une étanchéité entre le carter 12 de la fiche 2 et le joint 13 de la prise, ce dernier ayant ou non déjà subit un premier léger plissement dont il sera question ci-après.In addition, always in the position of the figure 4 , contact surfaces 14 and 15 is sufficient to ensure a seal between the housing 12 of the plug 2 and the seal 13 of the socket, the latter having already or not already undergoes a first slight wrinkling which will be discussed below.

En effet, l'étanchéité peut résulter du simple contact des surfaces 14 et 15, lesdites surfaces pouvant présenter diverses formes pour améliorer ladite étanchéité.Indeed, the seal may result from the simple contact of the surfaces 14 and 15, said surfaces may have various forms to improve said seal.

Les rampes 17a, 17b peuvent de plus présenter une certaine pente pour permettre un léger serrage.Ramps 17a, 17b may also have a certain slope to allow a slight tightening.

Il suffit ensuite pour passer de la position de repos de la figure 4 à la position de connexion entre les broches 4a, 4b de la fiche 2 avec les contacts 3 de la prise 1 selon la figure 5, d'effectuer une dernière translation guidée par le coulissement du fourreau 9 sur le bloc isolant 8 à l'encontre de l'effet du moyen élastique ou ressort 10.Then just to go from the rest position of the figure 4 at the connection position between the pins 4a, 4b of the plug 2 with the contacts 3 of the socket 1 according to the figure 5 , to perform a last translation guided by the sliding of the sheath 9 on the insulating block 8 against the effect of the resilient means or spring 10.

Cette translation entraîne alors un repliement vers l'intérieur du joint 13 et donc un raccourcissement longitudinal, comme le montre bien la figure 5.This translation then causes an inward folding of the seal 13 and thus a longitudinal shortening, as shown by the figure 5 .

On comprend et on constate que la partie tronconique 13b se replie par l'intérieur sur elle-même et vers la partie cylindrique 13a.It is understood and found that the frustoconical portion 13b folds from the inside on itself and towards the cylindrical portion 13a.

Des moyens de retenue (non représentés plus spécialement) dans cette position de connexion de la figure 5 sont évidemment prévus.Retaining means (not shown more specifically) in this connection position of the figure 5 are obviously planned.

On comprend alors que depuis au moins la position intermédiaire de repos des éléments après leur rotation et jusqu'à leur position de connexion, on assure une étanchéité entre la prise 1 et la fiche 2 au moyen du joint 13, joint qui reprend sa position initiale montrée à la figure 1 sous l'effet du ressort 10 lors de la séparation des éléments de connexion 1, 2.It is then understood that since at least the intermediate rest position of the elements after their rotation and to their connection position, it ensures a seal between the plug 1 and the plug 2 by means of the seal 13, seal which returns to its original position shown at figure 1 under the effect of the spring 10 during the separation of the connecting elements 1, 2.

De nombreuses variantes peuvent évidemment être imaginées, sans sortir du cadre de l'invention, concernant les moyens annexes tels que, par exemple, les contacts, les moyens de guidage, l'absence ou non du disque de sécurité, ou le rajout d'un autre disque.Many variants can obviously be imagined, without departing from the scope of the invention, relating to additional means such as, for example, the contacts, the guide means, the absence or absence of the security disk, or the addition of another disc.

Toutefois, il est clair aussi que le joint 13 peut être envisagé selon d'autres modes de réalisation que celui représenté. Ledit joint doit être souple pour pouvoir subir un plissement entraînant un raccourcissement longitudinal.However, it is also clear that the seal 13 can be considered according to other embodiments than the one shown. Said seal must be flexible to be able to undergo a wrinkling resulting in longitudinal shortening.

En effet, selon un autre mode de réalisation, le joint peut, par exemple, être un joint à soufflet, du type plissé en accordéon qui peut subir au cours de la dernière translation un plissement et un raccourcissement par compression dudit joint.Indeed, according to another embodiment, the seal may, for example, be a bellows seal, the pleated accordion type which can undergo during the last translation a folding and a shortening by compression of said seal.

Le mode de réalisation représenté, par rapport à un joint plié en accordéon, est moins encombrant et permet de réduire le diamètre de l'appareil tout en limitant la longueur du fait que le joint de ce mode de réalisation peut travailler (repliement et dépliement) dans un volume cylindrique moins long et moins large. Par ailleurs, une telle forme permet d'éviter l'accumulation de saletés qui est inévitable avec une forme en accordéon.The embodiment shown, with respect to an accordion-folded seal, is less cumbersome and makes it possible to reduce the diameter of the apparatus while limiting the length of the fact that the seal of this embodiment can work (folding and unfolding) in a cylindrical volume shorter and less wide. Moreover, such a shape avoids the accumulation of dirt that is inevitable with an accordion shape.

Enfin, si un plissement en accordéon permet d'obtenir un joint plus élastique en raison des plis de la matière, l'utilisation d'un ressort permet de toutes façons d'utiliser un joint n'ayant aucune résistance élastique.Finally, if a folding accordion makes it possible to obtain a more elastic seal because of the folds of the material, the use of a spring makes it possible anyway to use a seal having no elastic resistance.

Le mot plissement doit donc être compris dans son sens le plus général puisque le joint peut se déformer selon un ou plusieurs plis.The word wrinkling must be understood in its most general sense since the seal can be deformed in one or more folds.

Claims (9)

  1. Electrical connection device comprising two mating connection elements (1, 2) of which one (2) comprises an external housing (12), and which are each provided with electrical contacts (3; 4a, 4b) designed to co-operate with one another in a connection position, after coupling of said elements (1, 2) through a first relative translation movement, followed by a rotation and a second translation movement, the connection elements being at the end of said rotation in an intermediate resting position in which said elements are temporarily held together, without connection of the contacts, whereas the connection is only established between the contacts of the two connection elements (1, 2) at the end of the second translation movement determining said connection position, characterised in that the mating connection element (1) of the element (2) comprising the external housing (12) is provided with an external flexible tubular seal (13) fixed by one end to said element (1) and provided with at least one front annular stop surface (14) which is designed to co-operate through contact with a mating surface (15) provided on said housing (12) of the other element (2) and which comprises a rigid or semi-rigid ring (11) provided with means ensuring translational guidance in the course of the coupling of the connection elements (1, 2), such that a seal is provided between said connection elements from at least their intermediate resting position to their connection position due to the co-operation of the front annular stop surface (14) of the seal (13) and the mating surface (15) of the housing (12), said seal (13) additionally undergoing folding in the connection position due to the second relative translation movement of the connection elements, whereas said mating surfaces (14, 15) are arranged to allow one to slide over the other in the course of the rotational movement of said connection elements (1, 2).
  2. Electrical connection device according to claim 1, characterised in that the guiding means comprise a sleeve (9) locked to the ring (11) of the seal (13), which slides over a fixed portion (8) of the connection element (1) provided with said seal (13).
  3. Electrical connection device according to claim 2, characterised in that the sleeve (9) additionally comprises an elastic means (10) for returning the seal (13) to the initial extension position.
  4. Electrical connection device according to one of claims 1 to 3, characterised in that the surface (15) of the housing (12) designed to co-operate with the front surface (14) of the seal (13) is the shape of a truncated cone and grooved.
  5. Electrical connection device according to one of claims 1 to 4, characterised in that the seal (13) is folded like an accordion.
  6. Electrical connection device according to one of claims 1 to 4, characterised in that the seal (13) is arranged to undergo simple folding towards the inside in the course of the connection operations.
  7. Electrical connection device according to claim 6, characterised in that the seal (13) exhibits a circular cylindrical portion (13a) at its end fixed to the corresponding connection element (1), extended by a portion (13b) which is the shape of a truncated cone and terminates in the front annular stop surface (14) forming a shoulder.
  8. Electrical connection device according to one of claims 1 to 7, characterised in that mating means (16; 17a, 17b) for rotational guidance and retention of the connection elements in the intermediate resting position are arranged firstly on the end ring (11) of the seal (13) and secondly at the end of the housing, said ring extending beyond the front annular stop surface (14) of the seal and being dimensioned to come at least in part inside said housing (12).
  9. Electrical connection device according to claim 8, characterised in that said mating means for rotational guidance and retention in the intermediate position are of a type with lugs (16) and ramps (17a, 17b), said ramps exhibiting a slope which accentuates the pressure of the front annular stop surface (14) of the seal (13) on the mating surface (15) of the housing (12).
EP07870347A 2006-11-29 2007-11-28 Watertight electric connection device including two conjugated connection members Not-in-force EP2104963B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0610426A FR2909226A1 (en) 2006-11-29 2006-11-29 Electrical connection device e.g. free coupler connector, has joint with stop surface cooperated with case surface such that sealing is ensured between socket and plug, where surfaces are slid during rotational movement of socket and plug
PCT/FR2007/001951 WO2008071882A2 (en) 2006-11-29 2007-11-28 Watertight electric connection device including two conjugated connection members

Publications (2)

Publication Number Publication Date
EP2104963A2 EP2104963A2 (en) 2009-09-30
EP2104963B1 true EP2104963B1 (en) 2012-04-25

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ID=38109899

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07870347A Not-in-force EP2104963B1 (en) 2006-11-29 2007-11-28 Watertight electric connection device including two conjugated connection members

Country Status (7)

Country Link
US (1) US8092240B2 (en)
EP (1) EP2104963B1 (en)
AT (1) ATE555523T1 (en)
AU (1) AU2007331366B2 (en)
ES (1) ES2386128T3 (en)
FR (1) FR2909226A1 (en)
WO (1) WO2008071882A2 (en)

Cited By (2)

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Publication number Priority date Publication date Assignee Title
CN102709019A (en) * 2012-05-24 2012-10-03 中国科学院等离子体物理研究所 Flexible joint of double-C-shaped detachable magnet coil for realizing irregular arrangement of conductors
DE102012014618B3 (en) * 2012-07-24 2013-06-06 Hohenstein Vorrichtungsbau Und Spannsysteme Gmbh Data communication module for communicating between workpiece clamping apparatus and e.g. handgrip, has module body ensuring power control and data lock on power control part where captiveness of data in memory is displayed on computer

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JP5674443B2 (en) * 2010-12-08 2015-02-25 株式会社東芝 Solar cell module and solar cell module connector
US9252539B2 (en) 2012-11-02 2016-02-02 Hubbell Incorporated Internally switched female receptacle or connector with plug-latching safety interlock
FR3011126B1 (en) * 2013-09-23 2016-12-09 Commissariat Energie Atomique PHOTOVOLTAIC MODULE WITH ENHANCED CONNECTION
CN104409915A (en) * 2014-11-06 2015-03-11 镇江中佳电器有限公司 Waterproof male-and-female plug for outdoor lighting
KR101695827B1 (en) * 2015-07-30 2017-01-12 주식회사 아이디스 A waterproof device for connector joint
US9887489B1 (en) 2016-10-19 2018-02-06 Hubbell Incorporated Electrical connector with plug latching assembly
US11018451B2 (en) * 2017-06-13 2021-05-25 Hubbell Incorporated Locking electrical contact device with switch

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JP3476697B2 (en) * 1999-01-29 2003-12-10 アスモ株式会社 Motor unit housing and motor unit for power window
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102709019A (en) * 2012-05-24 2012-10-03 中国科学院等离子体物理研究所 Flexible joint of double-C-shaped detachable magnet coil for realizing irregular arrangement of conductors
CN102709019B (en) * 2012-05-24 2013-12-25 中国科学院等离子体物理研究所 Flexible joint of double-C-shaped detachable magnet coil for realizing irregular arrangement of conductors
DE102012014618B3 (en) * 2012-07-24 2013-06-06 Hohenstein Vorrichtungsbau Und Spannsysteme Gmbh Data communication module for communicating between workpiece clamping apparatus and e.g. handgrip, has module body ensuring power control and data lock on power control part where captiveness of data in memory is displayed on computer

Also Published As

Publication number Publication date
WO2008071882A3 (en) 2008-08-07
ES2386128T3 (en) 2012-08-09
ATE555523T1 (en) 2012-05-15
US20100068929A1 (en) 2010-03-18
AU2007331366B2 (en) 2011-10-27
US8092240B2 (en) 2012-01-10
FR2909226A1 (en) 2008-05-30
EP2104963A2 (en) 2009-09-30
AU2007331366A1 (en) 2008-06-19
WO2008071882A2 (en) 2008-06-19

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