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EP1997190A1 - Sealed electrical connection element. - Google Patents

Sealed electrical connection element.

Info

Publication number
EP1997190A1
EP1997190A1 EP07731147A EP07731147A EP1997190A1 EP 1997190 A1 EP1997190 A1 EP 1997190A1 EP 07731147 A EP07731147 A EP 07731147A EP 07731147 A EP07731147 A EP 07731147A EP 1997190 A1 EP1997190 A1 EP 1997190A1
Authority
EP
European Patent Office
Prior art keywords
sealing
disc
safety
connection element
plug
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
EP07731147A
Other languages
German (de)
French (fr)
Other versions
EP1997190B1 (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.)
Filing date
Publication date
Application filed by Societe dExploitation des Procedes Marechal SEPM SA filed Critical Societe dExploitation des Procedes Marechal SEPM SA
Publication of EP1997190A1 publication Critical patent/EP1997190A1/en
Application granted granted Critical
Publication of EP1997190B1 publication Critical patent/EP1997190B1/en
Not-in-force 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
    • H01R13/44—Means for preventing access to live contacts
    • H01R13/447—Shutter or cover plate
    • H01R13/453—Shutter or cover plate opened by engagement of counterpart
    • H01R13/4532—Rotating shutter
    • 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
    • H01R13/5213—Covers
    • 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
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/58—Contacts spaced along longitudinal axis of engagement

Definitions

  • the invention relates to a sealed electrical connection element, constituting, for example, the base of a socket, or the mobile socket of an extension or a connector.
  • a known connection element for the aforementioned applications is generally provided with electrical contacts mounted in an insulating block, and distributed peripherally and which are provided to cooperate with the corresponding contact pins of a plug, after coupling of said plug with said element to during at least a first translational movement followed by a rotation and a second translation, while a rotating safety disc is arranged above the insulating block of the connection element and comprises peripheral openings whose the number and the positioning are chosen so as, on the one hand, to hide at rest the peripheral contacts of the connection element and, on the other hand, to be superimposed on them after the rotation of the disk driven by the pins of the plug which have been introduced into said openings of the disk during the first translational movement.
  • they In order to ensure the sealing at rest of such elements, they generally comprise a pivoting lid and lockable on a housing in which are disposed the insulating block and the contacts, said cover being folded sealingly on said housing in the rest position .
  • connection element of the aforementioned general type further comprising sealing pads which are arranged under the security disk in equal numbers and arranged in the same way as the peripheral openings of the latter so as to sealingly close said openings in the rest position under the effect of elastic means, said sealing pads can be released from said peripheral openings by the pins of the plug.
  • the sealing pads are arranged in the insulating block provided with the contacts.
  • connection element of the aforementioned type provided with sealing pads, but which is particularly remarkable in that the sealing pads are arranged on a sealing disk which is arranged under the safety disk, which further comprises peripheral openings at least in equal numbers and arranged in the same manner as the peripheral openings of the safety disk, while being offset angularly relative to said sealing pads, and which is fixedly mounted in rotation and movable in translation against elastic means urging it towards the safety disc, to ensure a rest position in which the sealing studs seal said peripheral openings of the safety disc, while the sealing disc can be discarded from the safety disc by the pins of the plug during the first translational movement of the so that the sealing studs are released openings of the safety disc which can be rotated by said pins, which can then come into the connection position through the peripheral openings of the sealing disc, the latter taking up its sealing position during the uncoupling of the plug and said element, under the effect of said elastic means which it is provided.
  • the safety disc is provided with a central extension on which is mounted movably in translation the sealing disc provided for this purpose with a central opening of shape conjugate to that of the extension.
  • the resilient means that urge the sealing disc towards the safety disc consist of springs disposed substantially under each of said pads.
  • the safety disc and the insulating block are provided with means for sealing the safety disc at its periphery, said means for sealing being for example constituted by a peripheral groove which is formed in a sleeve surrounding the insulating block of the element and in which the safety disc rotates, and by an annular seal housed in said groove of the sleeve.
  • each sealing pad is constituted by a nipple of corresponding shape to the opening of the safety disc to be sealed and an annular seal disposed at its base and which is applied in the closed position under the security disk.
  • FIG. 1 shows, by way of example, a connection element according to the invention, seen at the end and in the rest position,
  • FIG. 2 is a section along II-II of FIG. 1,
  • FIG. 3 corresponds to the section of Figure 2 further showing a connection plug for mating with the connection element and after introduction of said plug by a first translational movement
  • FIG. 4 is a view corresponding to FIG. 1 after a rotational movement of the safety disk, positioning the latter in the connection position,
  • FIG. 5 is a section along the line V-V of Figure 4 with further representation of a plug as in Figure 3.
  • connection element 1 of the socket base type, or mobile socket of an extension or a connector show a connection element 1 of the socket base type, or mobile socket of an extension or a connector.
  • the element 1 is intended to mate with a plug schematically in 2 in Figures 3 and 5.
  • the connection element 1 comprises several contacts and in the example shown, in addition to a ground contact 3a disposed in the center, it is provided with four peripheral contacts 3b-3e (FIGS. 4 and 5) distributed in the example shown, on a single circumference and of which only 3c is visible in Figure 5, said peripheral contacts constituting for example a neutral contact and three phase contacts.
  • the contacts shown are so-called end contacts arranged in housings of an insulating block 4 and biased by springs also arranged in said insulating block 4.
  • the connection element 1 is intended as already said, at s to couple with a plug such as the plug 2 schematically in Figures 3 and 5, which is provided with as many contact pins (such as the central pin 5a and the peripheral pins 5b and 5c) that the element 1 comprises him - even contacts.
  • connection element 1 further comprises, in a conventional manner, above the insulating block 4, a rotary safety disc 6 provided with openings 7a-7e whose number and positioning are chosen so as, on the one hand, to hide at rest the peripheral contacts 3b-3e of the connection element 1 (position of Figures 1 to 3) and, secondly, to be superimposed thereto after rotation of the safety disc (position of Figures 4 and 5).
  • the plug 2 and the connecting element 1 are indeed provided with conjugate means to ensure their coupling consisting in introducing in a first translational movement the pins 5a-5c of said plug in the corresponding openings 7a-7c of the safety disc 6 , then to rotate the latter to align the peripheral pins of the plug with the peripheral contacts of the connection element (FIG. 5) and to terminate the coupling and thus the connection by a last translational movement (not shown) until a locking of the connection element 1 and the plug 2 by appropriate means.
  • the invention recommends that a sealing disk 8 be arranged under the safety disc.
  • the sealing disc 8 has as many sealing pads 9b-9e and openings such as 16c ( Figure 5) that the security disc has peripheral openings 7b-7e and which are positioned in the same manner with a angular offset provided between said pads and said openings of the sealing disc.
  • the sealing disk 8 is mounted fixed in rotation, but mobile in translation, while it is biased towards the safety disk 6 by elastic means and in this case by springs such as 10 ( Figures 2 and 3) so that at rest, the pads 9b-9e of the sealing disc 8 come to close the corresponding openings of the safety disc 6, as shown in Figures 1 and 2.
  • the pads 9b-9e which are in the form of nipples of a shape corresponding to the openings to be closed, are provided at their base with annular seals such as 11b and 11c (FIGS. 2, 3 and 5) which remain disposed under the security disc 6 and in which they come to apply in the closed position.
  • the safety disk is rotatably mounted in a sheath 12 surrounding the insulating block 4 and it also cooperates with a peripheral seal 13 housed in a suitable groove of said sheath 12.
  • the safety disc 6 and the sealing disc 8 are assembled by a sleeve 14 around which rotates the safety disc 6.
  • the sealing disc 8 is mounted movable in translation on a central tubular extension 15 of the safety disc 6, by means of a central opening which it is provided and whose shape is conjugate to that of said extension of the safety disc. In this way, it is understood that at rest, the sealing disc 8 provides, as already said, a seal vis-à-vis the peripheral contacts 3b-3e of the connection element ( Figures 1 and 2).
  • the first translational movement of the plug 2 makes it possible to push the sealing pads 9b-9e against the force of the springs 10.
  • the safety disk 6 can then be rotated to take the position of FIGS. 4 and 5, in which position the peripheral pins of the plug, such as the pin 5c in FIG. 5, are as already said aligned with the pins. corresponding peripheral contacts of the connection element 1, such as the contact 3c in said FIG. 5.
  • the peripheral pins pass through the sealing disc 8 by the openings which it is provided such as the openwork 16c visible in Figure 5.

Landscapes

  • Connector Housings Or Holding Contact Members (AREA)

Abstract

Electrical connection element (1) provided with peripherally distributed electrical contacts designed to collaborate with the corresponding contact pins (5b) of a plug (2), a rotary safety disc (6) being provided and having peripheral perforations the number and position of which are chosen to, on the one hand, at rest, conceal the peripheral contacts of the connection element and, on the other hand, be superimposed therewith when the disc driven by the pins of the plug is rotated, whereas sealing blocks (9b) are positioned under the safety disc so as to seal off the peripheral perforations thereof in the rest position. The sealing blocks (9b) are positioned on a sealing disc (8) also provided with perforations, and which is formed under the safety disc (6) and mounted fixed in terms of rotation and able to move in terms of translation against the action of elastic means (10) which urge it towards the safety disc (6).

Description

Elément de connexion électrique étanche. Waterproof electrical connection element.

L'invention concerne un élément de connexion électrique étanche, constituant, par exemple, le socle d'une prise de courant, ou la prise mobile d'un prolongateur ou d'un connecteur.The invention relates to a sealed electrical connection element, constituting, for example, the base of a socket, or the mobile socket of an extension or a connector.

Un élément de connexion connu pour les applications précitées est généralement pourvu de contacts électriques montés dans un bloc isolant, et répartis périphériquement et qui sont prévus pour coopérer avec les broches de contact correspondantes d'une fiche, après accouplement de ladite fiche avec ledit élément au cours d'au moins un premier mouvement de translation suivi d'une rotation et d'une seconde translation, tandis qu'un disque de sécurité rotatif est aménagé au-dessus du bloc isolant de l'élément de connexion et comporte des ajours périphériques dont le nombre et le positionnement sont choisis de manière, d'une part, à cacher au repos les contacts périphériques de l'élément de connexion et, d'autre part, à se superposer à ceux-ci après la rotation du disque entraîné par les broches de la fiche qui ont été introduites dans lesdits ajours du disque au cours du premier mouvement de translation.A known connection element for the aforementioned applications is generally provided with electrical contacts mounted in an insulating block, and distributed peripherally and which are provided to cooperate with the corresponding contact pins of a plug, after coupling of said plug with said element to during at least a first translational movement followed by a rotation and a second translation, while a rotating safety disc is arranged above the insulating block of the connection element and comprises peripheral openings whose the number and the positioning are chosen so as, on the one hand, to hide at rest the peripheral contacts of the connection element and, on the other hand, to be superimposed on them after the rotation of the disk driven by the pins of the plug which have been introduced into said openings of the disk during the first translational movement.

Afin d'assurer l'étanchéité au repos de tels éléments, ils comportent généralement un couvercle pivotant et verrouillable sur un carter dans lequel sont disposés le bloc isolant et les contacts, ledit couvercle venant se rabattre de manière étanche sur ledit carter en position de repos.In order to ensure the sealing at rest of such elements, they generally comprise a pivoting lid and lockable on a housing in which are disposed the insulating block and the contacts, said cover being folded sealingly on said housing in the rest position .

Outre les différents problèmes à résoudre en vue d'assurer avec un tel couvercle une bonne étanchéité (efficacité des joints, ajustement de la fermeture, etc.), il y a l'inconvénient majeur d'obliger l'utilisateur à fermer le couvercle après utilisation, à moins d'une fermeture automatique par un moyen élastique mais qui oblige alors l'utilisateur à ouvrir ledit couvercle et à le maintenir dans cette position à rencontre de son moyen élastique au cours des manœuvres d'accouplement de la fiche et de l'élément.In addition to the various problems to be solved in order to ensure with such a lid a good seal (effectiveness of the joints, adjustment of the closure, etc.), there is the major disadvantage of requiring the user to close the lid after use, unless an automatic closure by an elastic means but which then requires the user to open said lid and hold it in this position against its elastic means during the coupling maneuvers of the plug and the 'element.

Il a aussi été imaginé, comme décrit dans le document DE-9013436U1 , un élément de connexion du type général précité comportant en outre des plots d'étanchéité qui sont aménagés sous le disque de sécurité en nombre égal et disposés de la même manière que les ajours périphériques de ce dernier de façon à venir obturer de manière étanche lesdits ajours en position de repos sous l'effet de moyens élastiques, lesdits plots d'étanchéité pouvant être dégagés desdits ajours périphériques par les broches de la fiche. Toutefois, dans ce dispositif, les plots d'étanchéité sont aménagés dans le bloc isolant pourvu des contacts.It has also been imagined, as described in document DE-9013436U1, a connection element of the aforementioned general type further comprising sealing pads which are arranged under the security disk in equal numbers and arranged in the same way as the peripheral openings of the latter so as to sealingly close said openings in the rest position under the effect of elastic means, said sealing pads can be released from said peripheral openings by the pins of the plug. However, in this device, the sealing pads are arranged in the insulating block provided with the contacts.

Comme il faut autant de plots d'étanchéité que de contacts, on limite d'autant dans l'isolant le nombre d'emplacements et de logements possibles pour les contacts, ce qui peut s'avérer rédhibitoire pour des éléments de connexion nécessitant plus de deux contacts et/ou pour des dispositifs de taille réduite et/ou dont la répartition et le positionnement des contacts sont conditionnés par des contraintes techniques, en particulier pour permettre de prévoir un grand nombre de courants distincts tout en évitant les risques d'incompatibilité électrique. Pour notamment pallier cet inconvénient, les inventeurs ont imaginé un élément de connexion du type précité muni de plots d'étanchéité, mais qui est notamment remarquable en ce que les plots d'étanchéité sont disposés sur un disque d'étanchéité qui est aménagé sous le disque de sécurité, qui comporte en outre des ajours périphériques au moins en nombre égal et disposés de la même manière que les ajours périphériques du disque de sécurité, tout en étant décalés angulairement par rapport auxdits plots d'étanchéité, et qui est monté fixe en rotation et mobile en translation à rencontre de moyens élastiques qui le sollicitent vers le disque de sécurité, afin d'assurer une position de repos dans laquelle les plots d'étanchéité obturent lesdits ajours périphériques du disque de sécurité, tandis que le disque d'étanchéité peut être écarté du disque de sécurité par les broches de la fiche au cours du premier mouvement de translation de telle sorte que les plots d'étanchéité soient dégagés des ajours du disque de sécurité qui peut ainsi être entraîné en rotation par lesdites broches, lesquelles peuvent alors venir en position de connexion en traversant les ajours périphériques du disque d'étanchéité, ce dernier reprenant sa position d'obturation étanche au cours du désaccouplement de la fiche et dudit élément, sous l'effet desdits moyens élastiques dont il est muni.Since it takes as many sealing pads as contacts, the insulation in the number of locations and possible housing for the contacts is limited in the same way, which can be prohibitive for connection elements requiring more than two contacts and / or for devices of reduced size and / or whose distribution and positioning of the contacts are conditioned by technical constraints, in particular to allow to provide a large number of separate currents while avoiding the risks of electrical incompatibility . In particular to overcome this drawback, the inventors have devised a connection element of the aforementioned type provided with sealing pads, but which is particularly remarkable in that the sealing pads are arranged on a sealing disk which is arranged under the safety disk, which further comprises peripheral openings at least in equal numbers and arranged in the same manner as the peripheral openings of the safety disk, while being offset angularly relative to said sealing pads, and which is fixedly mounted in rotation and movable in translation against elastic means urging it towards the safety disc, to ensure a rest position in which the sealing studs seal said peripheral openings of the safety disc, while the sealing disc can be discarded from the safety disc by the pins of the plug during the first translational movement of the so that the sealing studs are released openings of the safety disc which can be rotated by said pins, which can then come into the connection position through the peripheral openings of the sealing disc, the latter taking up its sealing position during the uncoupling of the plug and said element, under the effect of said elastic means which it is provided.

De la sorte, on assure une étanchéité automatique avec un dispositif simplifié dont les plots d'étanchéité n'occupent en outre aucune place dans l'isolant.In this way, it ensures an automatic seal with a simplified device whose sealing pads occupy no further place in the insulation.

Avantageusement, le disque de sécurité est pourvu d'un prolongement central sur lequel est monté mobile en translation le disque d'étanchéité muni à cet effet d'un ajour central de forme conjuguée à celle du prolongement.Advantageously, the safety disc is provided with a central extension on which is mounted movably in translation the sealing disc provided for this purpose with a central opening of shape conjugate to that of the extension.

Selon un mode de réalisation, les moyens élastiques qui sollicitent le disque d'étanchéité vers le disque de sécurité sont constitués par des ressorts disposés sensiblement sous chacun desdits plots. En outre, par exemple, le disque de sécurité et le bloc isolant sont pourvus de moyens pour assurer l'étanchéité du disque de sécurité à sa périphérie, lesdits moyens pour assurer l'étanchéité étant par exemple constitués par une gorge périphérique qui est ménagée dans un fourreau entourant le bloc isolant de l'élément et dans lequel tourne le disque de sécurité, et par un joint annulaire logé dans ladite gorge du fourreau.According to one embodiment, the resilient means that urge the sealing disc towards the safety disc consist of springs disposed substantially under each of said pads. In addition, for example, the safety disc and the insulating block are provided with means for sealing the safety disc at its periphery, said means for sealing being for example constituted by a peripheral groove which is formed in a sleeve surrounding the insulating block of the element and in which the safety disc rotates, and by an annular seal housed in said groove of the sleeve.

Selon un mode de réalisation, chaque plot d'étanchéité est constitué par un téton de forme correspondante à l'ajour du disque de sécurité à obturer et un joint annulaire disposé à sa base et qui vient s'appliquer en position d'obturation sous le disque de sécurité.According to one embodiment, each sealing pad is constituted by a nipple of corresponding shape to the opening of the safety disc to be sealed and an annular seal disposed at its base and which is applied in the closed position under the security disk.

L'invention sera bien comprise et d'autres particularités apparaîtront à la lecture de la description qui va suivre et qui se réfère aux dessins annexés dans lesquels :The invention will be well understood and other features will appear on reading the description which follows and which refers to the appended drawings in which:

- la figure 1 montre, à titre d'exemple, un élément de connexion selon l'invention, vu en bout et en position de repos,FIG. 1 shows, by way of example, a connection element according to the invention, seen at the end and in the rest position,

- la figure 2 est une coupe selon II-II de la figure 1 ,FIG. 2 is a section along II-II of FIG. 1,

- la figure 3 correspond à la coupe de la figure 2 représentant en outre une fiche de connexion destinée à s'accoupler avec l'élément de connexion et après introduction de ladite fiche par un premier mouvement de translation,- Figure 3 corresponds to the section of Figure 2 further showing a connection plug for mating with the connection element and after introduction of said plug by a first translational movement,

- la figure 4 est une vue qui correspond à la figure 1 après un mouvement de rotation du disque de sécurité, positionnant celui-ci en position de connexion,FIG. 4 is a view corresponding to FIG. 1 after a rotational movement of the safety disk, positioning the latter in the connection position,

- la figure 5 est une coupe selon la ligne V-V de la figure 4 avec en outre la représentation d'une fiche comme dans la figure 3.- Figure 5 is a section along the line V-V of Figure 4 with further representation of a plug as in Figure 3.

Les dessins représentent un élément de connexion 1 du type socle de prise de courant, ou encore prise mobile d'un prolongateur ou d'un connecteur.The drawings show a connection element 1 of the socket base type, or mobile socket of an extension or a connector.

L'élément 1 est destiné à s'accoupler avec une fiche schématisée en 2 sur les figures 3 et 5. L'élément de connexion 1 comporte plusieurs contacts et dans l'exemple représenté, outre un contact de terre 3a disposé au centre, il est pourvu de quatre contacts 3b-3e périphériques (figures 4 et 5) répartis dans l'exemple représenté, sur une même circonférence et dont un 3c seulement est visible sur la figure 5, lesdits contacts périphériques constituant par exemple un contact neutre et trois contacts de phase.The element 1 is intended to mate with a plug schematically in 2 in Figures 3 and 5. The connection element 1 comprises several contacts and in the example shown, in addition to a ground contact 3a disposed in the center, it is provided with four peripheral contacts 3b-3e (FIGS. 4 and 5) distributed in the example shown, on a single circumference and of which only 3c is visible in Figure 5, said peripheral contacts constituting for example a neutral contact and three phase contacts.

Dans cet exemple, les contacts représentés sont des contacts dits en bout aménagés dans des logements d'un bloc isolant 4 et sollicités par des ressorts également disposés dans ledit bloc isolant 4. L'élément de connexion 1 est destiné comme déjà dit, à s'accoupler avec une fiche telle que la fiche 2 schématisée sur les figures 3 et 5, qui est munie d'autant de broches de contact (telles que la broche centrale 5a et les broches périphériques 5b et 5c) que l'élément 1 comporte lui-même de contacts.In this example, the contacts shown are so-called end contacts arranged in housings of an insulating block 4 and biased by springs also arranged in said insulating block 4. The connection element 1 is intended as already said, at s to couple with a plug such as the plug 2 schematically in Figures 3 and 5, which is provided with as many contact pins (such as the central pin 5a and the peripheral pins 5b and 5c) that the element 1 comprises him - even contacts.

L'élément de connexion 1 comporte en outre de manière classique, au- dessus du bloc isolant 4, un disque de sécurité 6 rotatif pourvu d'ajours 7a-7e dont le nombre et le positionnement sont choisis de manière, d'une part, à cacher au repos les contacts périphériques 3b-3e de l'élément de connexion 1 (position des figures 1 à 3) et, d'autre part, à se superposer à ceux-ci après rotation du disque de sécurité (position des figures 4 et 5). La fiche 2 et l'élément de connexion 1 sont en effet pourvus de moyens conjugués pour assurer leur accouplement consistant à introduire selon un premier mouvement de translation les broches 5a-5c de ladite fiche dans les ajours correspondants 7a-7c du disque de sécurité 6, puis à entraîner celui-ci en rotation jusqu'à aligner les broches périphériques de la fiche avec les contacts périphériques de l'élément de connexion (figure 5) et à terminer l'accouplement et ainsi la connexion par un dernier mouvement de translation (non représenté) jusqu'à un verrouillage de l'élément de connexion 1 et de la fiche 2 par des moyens appropriés.The connection element 1 further comprises, in a conventional manner, above the insulating block 4, a rotary safety disc 6 provided with openings 7a-7e whose number and positioning are chosen so as, on the one hand, to hide at rest the peripheral contacts 3b-3e of the connection element 1 (position of Figures 1 to 3) and, secondly, to be superimposed thereto after rotation of the safety disc (position of Figures 4 and 5). The plug 2 and the connecting element 1 are indeed provided with conjugate means to ensure their coupling consisting in introducing in a first translational movement the pins 5a-5c of said plug in the corresponding openings 7a-7c of the safety disc 6 , then to rotate the latter to align the peripheral pins of the plug with the peripheral contacts of the connection element (FIG. 5) and to terminate the coupling and thus the connection by a last translational movement ( not shown) until a locking of the connection element 1 and the plug 2 by appropriate means.

Afin d'assurer une protection étanche des contacts périphériques de l'élément de connexion qui est généralement sous tension, l'invention préconise d'aménager sous le disque de sécurité, un disque d'étanchéité 8.In order to ensure a leaktight protection of the peripheral contacts of the connection element, which is generally under tension, the invention recommends that a sealing disk 8 be arranged under the safety disc.

Le disque d'étanchéité 8 comporte autant de plots d'étanchéité 9b-9e et d'ajours tels que 16c (figure 5) que le disque de sécurité comporte d'ajours périphériques 7b-7e et qui sont positionnés de la même manière avec un décalage angulaire prévu entre lesdits plots et lesdits ajours du disque d'étanchéité. En outre, le disque d'étanchéité 8 est monté fixe en rotation, mais mobile en translation, tandis qu'il est sollicité vers le disque de sécurité 6 par des moyens élastiques et en l'occurrence ici, par des ressorts tels que 10 (figures 2 et 3) de telle sorte qu'au repos, les plots 9b-9e du disque d'étanchéité 8 viennent obturer les ajours correspondants du disque de sécurité 6, comme le montrent bien les figures 1 et 2.The sealing disc 8 has as many sealing pads 9b-9e and openings such as 16c (Figure 5) that the security disc has peripheral openings 7b-7e and which are positioned in the same manner with a angular offset provided between said pads and said openings of the sealing disc. In addition, the sealing disk 8 is mounted fixed in rotation, but mobile in translation, while it is biased towards the safety disk 6 by elastic means and in this case by springs such as 10 ( Figures 2 and 3) so that at rest, the pads 9b-9e of the sealing disc 8 come to close the corresponding openings of the safety disc 6, as shown in Figures 1 and 2.

Pour assurer une obturation étanche, les plots 9b-9e qui se présentent sous la forme de tétons de forme correspondante aux ajours à obturer, sont pourvus à leur base de joints annulaires tels que 11b et 11c (figures 2, 3 et 5) qui restent disposés sous le disque de sécurité 6 et sous lequel ils viennent s'appliquer en position d'obturation.In order to ensure tight sealing, the pads 9b-9e, which are in the form of nipples of a shape corresponding to the openings to be closed, are provided at their base with annular seals such as 11b and 11c (FIGS. 2, 3 and 5) which remain disposed under the security disc 6 and in which they come to apply in the closed position.

Le disque de sécurité est monté rotatif dans un fourreau 12 entourant le bloc isolant 4 et il coopère en outre avec un joint périphérique 13 logé dans une gorge appropriée dudit fourreau 12.The safety disk is rotatably mounted in a sheath 12 surrounding the insulating block 4 and it also cooperates with a peripheral seal 13 housed in a suitable groove of said sheath 12.

Comme le montrent bien en outre les figures 2, 3 et 5, le disque de sécurité 6 et le disque d'étanchéité 8 sont assemblés par une douille 14 autour de laquelle tourne le disque de sécurité 6. Le disque d'étanchéité 8 est monté mobile en translation sur un prolongement tubulaire 15 central du disque de sécurité 6, au moyen d'un ajour central dont il est pourvu et dont la forme est conjuguée de celle dudit prolongement du disque de sécurité. De la sorte, on comprend qu'au repos, le disque d'étanchéité 8 assure, comme déjà dit, une étanchéité vis-à-vis des contacts périphériques 3b-3e de l'élément de connexion (figures 1 et 2).As further shown in Figures 2, 3 and 5, the safety disc 6 and the sealing disc 8 are assembled by a sleeve 14 around which rotates the safety disc 6. The sealing disc 8 is mounted movable in translation on a central tubular extension 15 of the safety disc 6, by means of a central opening which it is provided and whose shape is conjugate to that of said extension of the safety disc. In this way, it is understood that at rest, the sealing disc 8 provides, as already said, a seal vis-à-vis the peripheral contacts 3b-3e of the connection element (Figures 1 and 2).

Au cours de l'accouplement, le premier mouvement de translation de la fiche 2 permet de repousser les plots d'étanchéité 9b-9e à rencontre de la force des ressorts 10.During the coupling, the first translational movement of the plug 2 makes it possible to push the sealing pads 9b-9e against the force of the springs 10.

Le disque de sécurité 6 peut alors être entraîné en rotation pour venir prendre la position des figures 4 et 5, position dans laquelle les broches périphériques de la fiche, telles que la broche 5c sur la figure 5, se trouvent comme déjà dit alignées avec les contacts périphériques correspondants de l'élément de connexion 1 , tels que le contact 3c sur ladite figure 5. Pour réaliser la connexion au cours du dernier mouvement de translation comme précisé ci-avant, les broches périphériques passent au travers du disque d'étanchéité 8 par les ajours dont il est muni tels que l'ajour 16c visible sur la figure 5.The safety disk 6 can then be rotated to take the position of FIGS. 4 and 5, in which position the peripheral pins of the plug, such as the pin 5c in FIG. 5, are as already said aligned with the pins. corresponding peripheral contacts of the connection element 1, such as the contact 3c in said FIG. 5. In order to make the connection during the last translational movement as specified above, the peripheral pins pass through the sealing disc 8 by the openings which it is provided such as the openwork 16c visible in Figure 5.

Les manœuvres inverses de désaccouplement assurent bien sûr le retour des plots 9b-9e en position d'étanchéité sous l'effet des ressorts 10. The reverse disengagement maneuvers ensure of course the return of the pads 9b-9e in the sealing position under the effect of the springs 10.

Claims

REVENDICATIONS 1) Elément de connexion électrique (1) pourvu de contacts électriques (3b-3e) montés dans un bloc isolant (4), et répartis périphériquement et qui sont prévus pour coopérer avec les broches (5b,5c) de contact correspondantes d'une fiche (2), après accouplement de ladite fiche (2) avec ledit élément au cours d'au moins un premier mouvement de translation suivi d'une rotation et d'une seconde translation, un disque de sécurité (6) rotatif étant aménagé au-dessus du bloc isolant de l'élément de connexion et comportant des ajours périphériques (7b-7e) dont le nombre et le positionnement sont choisis de manière, d'une part, à cacher au repos les contacts périphériques (3b-3e) de l'élément de connexion et, d'autre part, à se superposer à ceux-ci après la rotation du disque entraîné par les broches de la fiche qui ont été introduites dans lesdits ajours du disque au cours du premier mouvement de translation, tandis que des plots d'étanchéité (9b-9e) sont aménagés sous le disque de sécurité en nombre égal et disposés de la même manière que les ajours périphériques (7b-7e) de ce dernier de façon à venir obturer de manière étanche lesdits ajours en position de repos sous l'effet de moyens élastiques, lesdits plots d'étanchéité pouvant être dégagés desdits ajours périphériques par les broches de la fiche (2), élément caractérisé en ce que les plots d'étanchéité (9b-9e) sont disposés sur un disque d'étanchéité (8) qui est aménagé sous le disque de sécurité (6), qui comporte en outre des ajours périphériques (6c) au moins en nombre égal et disposés de la même manière que les ajours périphériques (7b-7e) du disque de sécurité, tout en étant décalés angulairement par rapport auxdits plots d'étanchéité, et qui est monté fixe en rotation et mobile en translation à rencontre de moyens élastiques (10) qui le sollicitent vers le disque de sécurité (6), afin d'assurer une position de repos dans laquelle les plots d'étanchéité obturent lesdits ajours périphériques (7b-7e) du disque de sécurité, tandis que le disque d'étanchéité peut être écarté du disque de sécurité par les broches (5b, 5c) de la fiche (2) au cours du premier mouvement de translation de telle sorte que les plots d'étanchéité (9b-9e) soient dégagés des ajours (7b-7e) du disque de sécurité qui peut ainsi être entraîné en rotation par lesdites broches, lesquelles peuvent alors venir en position de connexion en traversant les ajours périphériques (6c) du disque d'étanchéité (8), ce dernier reprenant sa position d'obturation étanche au cours du désaccouplement de la fiche (2) et dudit élément (1), sous l'effet desdits moyens élastiques (10) dont il est muni. 2) Elément de connexion électrique selon la revendication 1 , caractérisé en ce que le disque de sécurité (6) est pourvu d'un prolongement central (15) sur lequel est monté mobile en translation le disque d'étanchéité (8) muni à cet effet d'un ajour central de forme conjuguée à celle dudit prolongement (15). 3) Elément de connexion électrique selon l'une des revendications 1 ou 2, caractérisé en ce que les moyens élastiques qui sollicitent le disque d'étanchéité vers le disque de sécurité sont constitués par des ressorts (10) disposés sensiblement sous chacun desdits plots.1) Electrical connection element (1) provided with electrical contacts (3b-3e) mounted in an insulating block (4), and distributed peripherally and which are provided to cooperate with the corresponding contact pins (5b, 5c) of a plug (2), after coupling said plug (2) with said element during at least a first translational movement followed by a rotation and a second translation, a rotating safety disc (6) being arranged at above the insulating block of the connection element and comprising peripheral openings (7b-7e) whose number and positioning are chosen so as, on the one hand, to hide at rest the peripheral contacts (3b-3e) of the connecting element and, on the other hand, to be superimposed thereon after the rotation of the disk driven by the pins of the plug which were introduced into said openings of the disk during the first translational movement, while sealing pads (9b-9e) are arranged under the security disk in equal number and arranged in the same manner as the peripheral openings (7b-7e) of the latter so as to sealingly close said openings in the rest position under the effect of elastic means, said sealing pads that can be disengaged from said peripheral openings by the pins of the plug (2), characterized in that the sealing pads (9b-9e) are arranged on a sealing disc (8) which is arranged under the security disc (6), which further comprises peripheral openings (6c) at least in equal number and arranged in the same manner as the peripheral openings (7b-7e) of the safety disk, while being angularly offset relative to each other; to said sealing pads, and which is mounted fixed in rotation and movable in translation against resilient means (10) which urge it towards the safety disc (6), to ensure a rest position da in which the sealing pads seal said peripheral openings (7b-7e) of the safety disk, while the sealing disc can be moved away from the safety disc by the pins (5b, 5c) of the plug (2) at during the first translational movement so that the sealing pads (9b-9e) are disengaged from the openings (7b-7e) of the safety disk which can thus be rotated by said pins, which can then come into position connection through the peripheral openings (6c) of the sealing disk (8), the latter taking up its sealing position during the uncoupling of the plug (2) and said element (1), under the effect of said resilient means (10) with which it is provided. 2) Electrical connection element according to claim 1, characterized in that the safety disc (6) is provided with a central extension (15) on which is mounted movable in translation the sealing disc (8) provided with this effect of a central opening of form conjugated to that of said extension (15). 3) Electrical connection element according to one of claims 1 or 2, characterized in that the resilient means which bias the sealing disc towards the safety disc are constituted by springs (10) disposed substantially under each of said pads. 4) Elément de connexion électrique selon l'une des revendications 1 à 3, caractérisé en ce que le disque de sécurité (6) et le bloc isolant (4) sont pourvus de moyens pour assurer l'étanchéité du disque de sécurité à sa périphérie.4) Electrical connection element according to one of claims 1 to 3, characterized in that the safety disc (6) and the insulating block (4) are provided with means for sealing the safety disc at its periphery . 5) Elément de connexion électrique selon la revendication 4, caractérisé en ce que lesdits moyens pour assurer l'étanchéité du disque de sécurité (6) à sa périphérie, sont constitués par une gorge périphérique qui est ménagée dans un fourreau (12) entourant le bloc isolant (4) de l'élément et dans lequel tourne le disque de sécurité, et par un joint annulaire (13) logé dans ladite gorge du fourreau (12).5) Electrical connection element according to claim 4, characterized in that said means for sealing the safety disc (6) at its periphery, are constituted by a peripheral groove which is formed in a sleeve (12) surrounding the insulating block (4) of the element and in which the safety disc rotates, and by an annular seal (13) housed in said groove of the sleeve (12). 6) Elément de connexion électrique selon l'une des revendications 1 à 5, caractérisé en ce que chaque plot d'étanchéité (9b-9e) est constitué par un téton de forme correspondante à l'ajour du disque de sécurité à obturer et un joint annulaire (11b-11 c) disposé à sa base et qui vient s'appliquer en position d'obturation sous le disque de sécurité. 6) Electrical connection element according to one of claims 1 to 5, characterized in that each sealing pad (9b-9e) is constituted by a nipple of corresponding shape to the opening of the safety disc to be closed and a annular seal (11b-11 c) disposed at its base and which is applied in the closed position under the safety disc.
EP07731147A 2006-03-17 2007-03-16 Sealed electrical connection element. Not-in-force EP1997190B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0602358A FR2898735A1 (en) 2006-03-17 2006-03-17 ELECTRICAL CONNECTION ELEMENT SEALED
PCT/FR2007/000455 WO2007118948A1 (en) 2006-03-17 2007-03-16 Sealed electrical connection element.

Publications (2)

Publication Number Publication Date
EP1997190A1 true EP1997190A1 (en) 2008-12-03
EP1997190B1 EP1997190B1 (en) 2011-03-09

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Application Number Title Priority Date Filing Date
EP07731147A Not-in-force EP1997190B1 (en) 2006-03-17 2007-03-16 Sealed electrical connection element.

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US (1) US7491080B2 (en)
EP (1) EP1997190B1 (en)
AU (1) AU2007239456B9 (en)
DE (1) DE602007013016D1 (en)
ES (1) ES2359963T3 (en)
FR (1) FR2898735A1 (en)
WO (1) WO2007118948A1 (en)

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GB2508311B (en) * 2009-07-29 2014-07-09 Otter Controls Ltd Power Connector System
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
US9252539B2 (en) 2012-11-02 2016-02-02 Hubbell Incorporated Internally switched female receptacle or connector with plug-latching safety interlock
US9819118B2 (en) 2015-07-16 2017-11-14 Eaton Corporation Switching power connector and electrical connection element with safety interlock
US9887489B1 (en) 2016-10-19 2018-02-06 Hubbell Incorporated Electrical connector with plug latching assembly
US9899767B1 (en) 2016-12-28 2018-02-20 Eaton Corporation Connector with clockable integrated power switching
USD853968S1 (en) 2017-09-11 2019-07-16 Eaton Intelligent Power Limited Electrical switch rated connector
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FR2551272B1 (en) * 1983-08-22 1986-04-18 Courtaigne Bertrand INSULATED AND WATERPROOF ELECTRICAL OUTLET
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Also Published As

Publication number Publication date
WO2007118948A1 (en) 2007-10-25
AU2007239456B9 (en) 2011-04-14
ES2359963T3 (en) 2011-05-30
DE602007013016D1 (en) 2011-04-21
US20080200055A1 (en) 2008-08-21
EP1997190B1 (en) 2011-03-09
FR2898735A1 (en) 2007-09-21
AU2007239456A1 (en) 2007-10-25
US7491080B2 (en) 2009-02-17
WO2007118948A8 (en) 2007-12-06
AU2007239456B2 (en) 2010-08-26

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