EP0344263B1 - Socket with resilient contacts - Google Patents

Socket with resilient contacts Download PDF

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Publication number
EP0344263B1
EP0344263B1 EP89900258A EP89900258A EP0344263B1 EP 0344263 B1 EP0344263 B1 EP 0344263B1 EP 89900258 A EP89900258 A EP 89900258A EP 89900258 A EP89900258 A EP 89900258A EP 0344263 B1 EP0344263 B1 EP 0344263B1
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EP
European Patent Office
Prior art keywords
plug
base
boss
bosses
locking means
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.)
Expired - Lifetime
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EP89900258A
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German (de)
French (fr)
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EP0344263A1 (en
Inventor
Henry Vindigni
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
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Societe dExploitation des Procedes Marechal SEPM SA
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Application filed by Societe dExploitation des Procedes Marechal SEPM SA filed Critical Societe dExploitation des Procedes Marechal SEPM SA
Publication of EP0344263A1 publication Critical patent/EP0344263A1/en
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances

Definitions

  • the invention relates to an outlet with pressure contacts and more particularly an improvement for such an outlet.
  • Sockets of this type include a base provided with pressure contacts provided, for example, with a braid surrounded by a spring, as mentioned in patent FR-A-2365872 in the name of the same applicant, or constituted by tilting elements as in patent FR-A-2422270 or patent FR-A-2531577 and its certificate of addition, also in the name of the same applicant, and a plug intended to be fitted at least partially into said base.
  • the above-mentioned locking means generally consists of a hook arranged on the base and which is intended to come into engagement with a lug arranged on the plug.
  • the hook is generally tiltable by means of a press button.
  • sockets may or may not include a safety disc or two, as for example in patents FR-A-2212655 and FR-A-2270696, in the name of the same applicant.
  • the plugging of sockets fitted with at least one safety disc is generally carried out in three maneuvers: an axial pre-plugging movement, a rotation to bring the respective contacts into contact (the disc or discs then undergoing this rotation) and a second axial thrust, until locking.
  • the correct angular position of the plug and the base at the start of the maneuvers, as well as the guiding in translation and in rotation, are ensured, for example, by a system of the bayonet type.
  • the sockets can optionally also include a seal sealing disposed between a part of the plug and a part of the base.
  • the plug Under the effect of the pressure exerted, as explained above, by the contacts and by the ejection spring, the plug rests on the locking hook. It necessarily follows that the plug is urged to rotate around its retaining point in a plane passing through its longitudinal axis and through said hook.
  • the misalignment of the plug and the base plays a negative role, in particular on the effectiveness of the contacts made (misalignment of the contacts of the plug relative to those of the base), on the wear of the conductive braids, and on the seal which can only be weakened by uneven crushing of the joint.
  • the base is positioned on a vertical wall, taking care, preferably, that the hook is arranged upwards, so that the weight of the cable connecting the plug allows compensate at least partially for said inclination.
  • the inventor had in particular the merit of overcoming the prejudice according to which a single hook must necessarily cause an inclination.
  • the socket outlet imagined by the inventor to solve the problem posed is remarkable in that the plug and / or the base have at least one boss which projects slightly from the outside surface of the plug and / or respectively inside of the base on an area of the part of said plug which fits into said base and / or respectively an area of the part of the base in which the plug is fitted.
  • the boss or bosses of the base and / or of the plug are arranged partly in a plane passing through the longitudinal axis of the plug and of the base and substantially by the locking means.
  • the or at least one of the bosses of the plug is provided towards the rear of the part of the latter which fits into the base and on the side of the locking means.
  • the or at least one of the bosses of the plug is provided towards the front of the part which fits into the base and on the side diametrically opposite with respect to the locking means.
  • a preferred embodiment recommends providing it towards the front of the part in which the plug is fitted and on the side of the locking means while that according to another embodiment, the boss is provided on the contrary towards the rear of the part in which the plug is fitted and on the side diametrically opposite to the locking means.
  • Figures 1 to 6 show a plug 1 intended to be partially embedded in a base 2.
  • the plug 1 is provided with contact pins such as 3a, 3b, 3c and the base of opposing contacts such as 4a, 4b, 4c.
  • contacts 4a to 4c are end pressure contacts conventionally constituted by a conductive braid, a contact head and a helical spring surrounding said braid, each contact being arranged in an appropriate housing of an insulating block 5 of the base 2.
  • the plug and the base are provided with means for guiding the insertion and with retaining means (not shown), such as bayonet systems, for example.
  • the base and / or the plug may of course include one or more safety discs intended to mask before plugging in the contacts of the base and / or the pins of the plug.
  • an ejection spring is generally provided for the reasons mentioned above.
  • the socket according to the invention has only a minimum of elements, it being understood moreover that the invention also applies to this particularly simplified type.
  • the base 2 further comprises a hook 6, which is pivotally mounted about an axis 7 and which is intended to engage with a lug 8 formed on the plug, as shown in the drawings (see more particularly Figures 5 and 6).
  • This hook 6 is biased in the position shown in the drawings by a compression spring 9, while a push button 10 forming a lever makes it possible, by simple pressure, to pivot the hook 6 against the stress of said compression spring 9
  • the base 2 is generally intended to be partly embedded in a vertical wall and in this case, the hook 6 is then generally positioned upwards (on top of the base).
  • the bearing 11 shown in the figures is intended to receive in an articulated manner, a cover which is urged to close by a suitable spring and which is intended to come to cover conventionally, the base at rest.
  • the plug is further provided with a seal 12 intended to be clamped on a front edge 13 of the base at the end of the plugging maneuvers, as will be explained below ( Figures 5 and 6).
  • FIG. 1 shows a sheet 1 provided with two bosses 111 and 112 which project outwards (for better identification with regard to bosses, the figure of hundreds represents the number of the figure and the figure of tens the reference of the plug or respectively of the base on which it is fitted). These two bosses are arranged partly in a plane passing through the longitudinal axis of the plug and the base and substantially by the locking means 6, 8. This arrangement is also observed in the other embodiments shown.
  • boss 111 is arranged, as shown in FIG. 1, towards the rear of the part of the plug which must fit into the base and on the side of the lug 8, while the boss 112 is on the contrary provided towards the front of said part and on the side diametrically opposite to lug 8.
  • FIG. 2 shows an embodiment in which the plug comprises only a single boss 211 of the type 111 of FIG. 1.
  • the plug also includes a boss 311 of the same kind as 111 and 211, but here the base 2 is provided with an internal boss 321 arranged towards the rear of the part in which the plug is fitted and on the side diametrically opposite the hook.
  • bosses 421 and 422 are provided with bosses 421 and 422, the latter being equivalent to the boss 321 in FIG. 3, while the boss 421 is arranged towards the front of the part in which the plug is fitted. and on the hook side 6.
  • plug boss it seems advantageous for the plug boss to be arranged as shown in 111, 211 and 311, while a boss of the base 2 will preferably be of the type 321 or 422, so that the embodiments of Figures 2 and 3 are particularly advantageous.
  • the embodiment of Figure 3 provides an easy introduction of the plug (boss on the back of the plug) and a good balance (opposite boss in the base), while the embodiment of Figure 2 is particularly simple, while also offering the advantage of a plug which can be used with already existing bases.
  • the plugging maneuvers depend on the guide means provided which, for example, require a first translation, a rotation and a final translation.
  • the guide means provided which, for example, require a first translation, a rotation and a final translation.
  • the plug and the base are perfectly coaxial and the seal 12 is flattened uniformly between the plug and the base (in other words, the opposite faces of the plug and the base are perfectly parallel) and this , thanks to bosses such as 111, 112 and 211.
  • the bosses may have a slight chamfer at least on their leading edge, so as to facilitate insertion.
  • each boss can be obtained directly from molding or produced in the form of an added pellet.
  • the nature and the material of the bosses depend of course on the material constituting the surfaces of the plug and of the base on which they are provided, which can be metallic or synthetic.
  • the invention relates to several types of socket, with or without safety discs, with or without seal, with any number of contacts, etc.

Abstract

The socket comprises a base (2) provided with resilient contacts (4a to 4c) and a plug (1) which engages, at least partially in said base and is attached to the latter by a locking means comprising a hook (6) arranged on the base or on the plug and which engages with a snug (8) arranged on the plug or the base respectively. The socket is remarkable in that the plug (1) and/or the base (2) comprises at least one boss (311, 321) which projects slightly beyond the outer surface of the plug or the inner surface of the base, respectively.

Description

L'invention concerne une prise de courant à contacts à pression et plus particulièrement un perfectionnement pour une telle prise.The invention relates to an outlet with pressure contacts and more particularly an improvement for such an outlet.

Les prises de courant de ce type comportent un socle muni de contacts à pression pourvus, par exemple, d'une tresse entourée d'un ressort, comme mentionné dans le brevet FR-A-2365872 au nom du même déposant, ou constitués par des éléments basculants comme dans le brevet FR-A-2422270 ou le brevet FR-A-2531577 et son certificat d'addition, également au nom du même déposant, et une fiche destinée à venir s'encastrer au moins partiellement dans ledit socle.Sockets of this type include a base provided with pressure contacts provided, for example, with a braid surrounded by a spring, as mentioned in patent FR-A-2365872 in the name of the same applicant, or constituted by tilting elements as in patent FR-A-2422270 or patent FR-A-2531577 and its certificate of addition, also in the name of the same applicant, and a plug intended to be fitted at least partially into said base.

Du fait de la pression exercée par les contacts et aussi de celle exercée par un ressort d'éjection généralement prévu entre la fiche et le socle, afin de permettre une rupture brusque (pour éviter notamment l'arc électrique de rupture, etc.), il est nécessaire que la fiche soit retenue dans le socle à l'aide d'un moyen de verrouillage.Because of the pressure exerted by the contacts and also that exerted by an ejection spring generally provided between the plug and the base, in order to allow an abrupt break (to avoid in particular the electric arc of break, etc.), it is necessary that the plug is retained in the base by means of a locking means.

Le moyen de verrouillage sus-mentionné est généralement constitué par un crochet aménagé sur le socle et qui est destiné à venir en prise avec un ergot aménagé sur la fiche.The above-mentioned locking means generally consists of a hook arranged on the base and which is intended to come into engagement with a lug arranged on the plug.

Le crochet est généralement basculable au moyen d'un bouton pression.The hook is generally tiltable by means of a press button.

Ces prises comportent ou non un disque ou deux de sécurité, comme par exemple dans les brevets FR-A-2212655 et FR-A-2270696, au nom du même déposant.These sockets may or may not include a safety disc or two, as for example in patents FR-A-2212655 and FR-A-2270696, in the name of the same applicant.

L'enfichage des prises munies d'au moins un disque de sécurité s'effectue généralement en trois manoeuvres: un mouvement axial de pré-enfichage, une rotation pour mettre en relation les contacts respectifs (le ou les disques subissant alors cette rotation) et une deuxième poussée axiale, jusqu'au verrouillage. La bonne position angulaire de la fiche et du socle au début des manoeuvres, de même que le guidage en translation et en rotation, sont assurés, par exemple, par un système du type à baïonnettes.The plugging of sockets fitted with at least one safety disc is generally carried out in three maneuvers: an axial pre-plugging movement, a rotation to bring the respective contacts into contact (the disc or discs then undergoing this rotation) and a second axial thrust, until locking. The correct angular position of the plug and the base at the start of the maneuvers, as well as the guiding in translation and in rotation, are ensured, for example, by a system of the bayonet type.

Les prises peuvent éventuellement aussi comporter un joint d'étanchéité disposé entre une partie de la fiche et une partie du socle.The sockets can optionally also include a seal sealing disposed between a part of the plug and a part of the base.

Il est souhaitable de ne prévoir qu'un seul crochet, afin de permettre une rupture brusque du courant en appuyant sur celui-ci pour le libérer, les ressorts des contacts et le ressort d'éjection assurant ladite rupture par écartement brusque de la fiche et du socle, ladite fiche étant toutefois empêchée de se séparer complètement par le moyen de guidage prévu, comme précisé ci-avant (système à baïonnettes précité, par exemple). En effet, plusieurs crochets nécessiteraient une manipulation délicate si on désire qu'ils soient libérés tous de manière synchrone afin d'obtenir la rupture brusque précitée.It is desirable to provide only one hook, in order to allow a sudden break in the current by pressing on it to release it, the contact springs and the ejection spring ensuring said break by sudden separation of the plug and of the base, said plug being however prevented from being completely separated by the guide means provided, as specified above (bayonet system mentioned above, for example). Indeed, several hooks would require delicate handling if it is desired that they are all released synchronously in order to obtain the abovementioned abrupt break.

Sous l'effet de la pression exercée, comme expliqué ci-avant, par les contacts et par le ressort d'éjection, la fiche s'appuie sur le crochet de verrouillage. Il en résulte nécessairement que la fiche est sollicitée à tourner autour de son point de retenue dans un plan passant par son axe longitudinal et par ledit crochet. En plus d'un mauvais aspect esthétique, le désalignement de la fiche et du socle joue un rôle négatif, notamment sur l'efficacité des contacts réalisés (désalignement des contacts de la fiche par rapport à ceux du socle), sur l'usure des tresses conductrices, et sur l'étanchéité qui ne peut être qu'affaiblie par un écrasement non uniforme du joint.Under the effect of the pressure exerted, as explained above, by the contacts and by the ejection spring, the plug rests on the locking hook. It necessarily follows that the plug is urged to rotate around its retaining point in a plane passing through its longitudinal axis and through said hook. In addition to a poor aesthetic appearance, the misalignment of the plug and the base plays a negative role, in particular on the effectiveness of the contacts made (misalignment of the contacts of the plug relative to those of the base), on the wear of the conductive braids, and on the seal which can only be weakened by uneven crushing of the joint.

Les solutions à ce problème ont été cherchées et étudiées depuis longtemps.The solutions to this problem have been sought and studied for a long time.

Pour supprimer complètement les inconvénients précités, il a notamment été imaginé de multiplier le nombre des moyens de verrouillage. C'est ainsi que certaines prises comportent quatre crochets, ou deux crochets (avec une bague d'enfichage et/ou un système à baïonnettes).To completely eliminate the aforementioned drawbacks, it has in particular been devised to increase the number of locking means. This is how some sockets have four hooks, or two hooks (with a plug ring and / or a bayonet system).

Toutefois, si ces solutions peuvent convenir pour certaines applications, elles suppriment l'avantage d'avoir un seul crochet, comme précisé ci-avant.However, if these solutions may be suitable for certain applications, they remove the advantage of having a single hook, as specified above.

C'est pourquoi il est apparu jusqu'à ce jour, que la présence d'un seul crochet devait nécessairement être assortie de l'inconvénient d'un désalignement axial de la fiche et du socle. Devant cet état de fait, les recherches se sont portées vers deux paliatifs: la limitation de l'inclinaison et l'adaptation à cette inclinaison.This is why it has appeared to date, that the presence of a single hook must necessarily be accompanied by the drawback of an axial misalignment of the plug and of the base. Faced with this state of affairs, research has turned to two palliative measures: limiting the inclination and adapting to this inclination.

Pour limiter ladite inclinaison, on a bien sûr cherché à ajuster au mieux les diamètres de la fiche et du socle, ainsi que les dimensions des moyens de guidage. Toutefois, il est clair que les tolérances de fabrication empêchent la suppression totale d'un certain jeu entre la fiche et le socle.To limit said inclination, we have of course sought to adjust the diameters of the plug and the base as well as the dimensions of the guide means. However, it is clear that the manufacturing tolerances prevent the total elimination of a certain clearance between the plug and the base.

En vue de s'adapter à l'inclinaison, on positionne le socle sur une paroi verticale, en prenant soin, de préférence, que le crochet soit disposé vers le haut, de manière à ce que le poids du câble reliant la fiche, permette de compenser au moins en partie ladite inclinaison.In order to adapt to the inclination, the base is positioned on a vertical wall, taking care, preferably, that the hook is arranged upwards, so that the weight of the cable connecting the plug allows compensate at least partially for said inclination.

En ce qui concerne l'étanchéité, on a aussi imaginé de prévoir un joint plus épais et/ou à lèvre et/ou encore à section non constante.With regard to sealing, it has also been imagined to provide a thicker and / or lip seal and / or a non-constant section.

Enfin, on a aussi joué sur l'esthétique, en effectuant un arrondi ou une inclinaison de la face du socle, côté fiche.Finally, we also played on aesthetics, by making a rounding or tilting of the face of the base, plug side.

Il est clair que tous les moyens de limitation ou d'adaptation sus-mentionnés sont des subterfuges qui ne résolvent pas la question.It is clear that all the means of limitation or adaptation mentioned above are subterfuges which do not resolve the question.

L'inventeur a eu notamment le mérite de vaincre le préjugé selon lequel un seul crochet devait nécessairement causer une inclinaison.The inventor had in particular the merit of overcoming the prejudice according to which a single hook must necessarily cause an inclination.

La prise de courant imaginée par l'inventeur pour résoudre le problème posé, est remarquable en ce que la fiche et/ou le socle comportent au moins un bossage qui fait légèrement saillie par rapport à la surface extérieure de la fiche et/ou respectivement intérieure du socle sur une zone de la partie de ladite fiche qui s'encastre dans ledit socle et/ou repectivement une zone de la partie du socle dans laquelle vient s'encastrer la fiche.The socket outlet imagined by the inventor to solve the problem posed is remarkable in that the plug and / or the base have at least one boss which projects slightly from the outside surface of the plug and / or respectively inside of the base on an area of the part of said plug which fits into said base and / or respectively an area of the part of the base in which the plug is fitted.

Avantageusement, le ou les bossages du socle et/ou de la fiche sont disposés en partie dans un plan passant par l'axe longitudinal de la fiche et du socle et sensiblement par le moyen de verrouillage.Advantageously, the boss or bosses of the base and / or of the plug are arranged partly in a plane passing through the longitudinal axis of the plug and of the base and substantially by the locking means.

Il existe plusieurs modes de réalisation possibles. Selon l'un des modes, le ou au moins l'un des bossages de la fiche est prévu vers l'arrière de la partie de celle-ci qui s'encastre dans le socle et du côté du moyen de verrouillage.There are several possible embodiments. According to one of the modes, the or at least one of the bosses of the plug is provided towards the rear of the part of the latter which fits into the base and on the side of the locking means.

Selon un autre mode de réalisation, le ou au moins l'un des bossages de la fiche est prévu vers l'avant de la partie qui s'encastre dans le socle et du côté diamètralement opposé par rapport au moyen de verrouillage.According to another embodiment, the or at least one of the bosses of the plug is provided towards the front of the part which fits into the base and on the side diametrically opposite with respect to the locking means.

De la même manière, pour au moins l'un des bossages réalisés sur le socle, un mode de réalisation préféré préconise de le prévoir vers l'avant de la partie dans laquelle vient s'encastrer la fiche et du côté du moyen de verrouillage tandis que selon un autre mode de réalisation, le bossage est prévu au contraire vers l'arrière de la partie dans laquelle vient s'encastrer la fiche et du côté diamétralement opposé au moyen de verrouillage.In the same way, for at least one of the bosses produced on the base, a preferred embodiment recommends providing it towards the front of the part in which the plug is fitted and on the side of the locking means while that according to another embodiment, the boss is provided on the contrary towards the rear of the part in which the plug is fitted and on the side diametrically opposite to the locking means.

L'invention sera bien comprise à la lecture de la description qui va suivre et qui se réfère aux dessins annexés qui représentent schématiquement en élévation avec arrachement et coupe partielle, une fiche et un socle selon l'invention.

  • les figures 1 à 4 représentent quatre modes de réalisation différents selon l'invention, la prise étant représentée avant l'enfichage (fiche et socle séparés), et
  • les figures 5 et 6 montrent les modes de réalisation des figures 1 et 2 après enfichage.
The invention will be clearly understood on reading the description which follows and which refers to the appended drawings which schematically show in elevation with cutaway and partial section, a plug and a base according to the invention.
  • FIGS. 1 to 4 represent four different embodiments according to the invention, the socket being shown before plugging in (separate plug and socket), and
  • Figures 5 and 6 show the embodiments of Figures 1 and 2 after plugging in.

Les figures 1 à 6 montrent une fiche 1 destinée à venir s'encastrer en partie dans un socle 2.Figures 1 to 6 show a plug 1 intended to be partially embedded in a base 2.

La fiche 1 est munie de broches de contact telles que 3a, 3b, 3c et le socle de contacts antagonistes tels que 4a, 4b, 4c.The plug 1 is provided with contact pins such as 3a, 3b, 3c and the base of opposing contacts such as 4a, 4b, 4c.

Le nombre et la disposition des broches 3a à 3c et des contacts 4a à 4c dépendent évidemment de la nature du courant à transmettre. Il est clair aussi, comme le montre les dessins, que les contacts 4a à 4c sont des contacts à pression en bout constitués de manière classique par une tresse conductrice, une tête de contact et un ressort hélicoïdal entourant ladite tresse, chaque contact étant disposé dans un logement approprié d'un bloc isolant 5 du socle 2.The number and arrangement of pins 3a to 3c and contacts 4a to 4c obviously depend on the nature of the current to be transmitted. It is also clear, as shown in the drawings, that the contacts 4a to 4c are end pressure contacts conventionally constituted by a conductive braid, a contact head and a helical spring surrounding said braid, each contact being arranged in an appropriate housing of an insulating block 5 of the base 2.

Comme il a été dit plus haut, la fiche et le socle sont pourvus de moyens de guidage de l'enfichage et de moyens de retenue (non représentés), tels des systèmes à baïonnettes, par exemple. En outre, le socle et/ou la fiche peuvent bien sûr comporter un ou plusieurs disques de sécurité destinés à masquer avant l'enfichage les contacts du socle et/ou les broches de la fiche. De même, un ressort d'éjection est en général prévu pour les raisons évoquées ci-avant.As mentioned above, the plug and the base are provided with means for guiding the insertion and with retaining means (not shown), such as bayonet systems, for example. In addition, the base and / or the plug may of course include one or more safety discs intended to mask before plugging in the contacts of the base and / or the pins of the plug. Likewise, an ejection spring is generally provided for the reasons mentioned above.

Toutefois, afin de simplifier les dessins, la prise selon l'invention ne comporte qu'un minimum d'éléments, étant entendu d'ailleurs que l'invention s'applique aussi à ce type particulièrement simplifié.However, in order to simplify the drawings, the socket according to the invention has only a minimum of elements, it being understood moreover that the invention also applies to this particularly simplified type.

Le socle 2 comporte en outre un crochet 6, qui est monté pivotant autour d'un axe 7 et qui est destiné à venir en prise avec un ergot 8 ménagé sur la fiche, comme le montrent les dessins (voir plus particulièrement les figures 5 et 6).The base 2 further comprises a hook 6, which is pivotally mounted about an axis 7 and which is intended to engage with a lug 8 formed on the plug, as shown in the drawings (see more particularly Figures 5 and 6).

Ce crochet 6 est sollicité dans la position représentée sur les dessins par un ressort de compression 9, tandis qu'un bouton poussoir 10 formant levier permet par simple pression de faire pivoter le crochet 6 à l'encontre de la sollicitation dudit ressort de compression 9. En outre, le socle 2 est généralement destiné à être en partie encastré dans une paroi verticale et dans ce cas, le crochet 6 est alors généralement positionné vers le haut (sur le dessus du socle).This hook 6 is biased in the position shown in the drawings by a compression spring 9, while a push button 10 forming a lever makes it possible, by simple pressure, to pivot the hook 6 against the stress of said compression spring 9 In addition, the base 2 is generally intended to be partly embedded in a vertical wall and in this case, the hook 6 is then generally positioned upwards (on top of the base).

Le palier 11 représenté sur les figures, est destiné à recevoir de manière articulée, un couvercle qui est sollicité à la fermeture par un ressort approprié et qui est destiné à venir recouvrir de manière classique, le socle au repos.The bearing 11 shown in the figures, is intended to receive in an articulated manner, a cover which is urged to close by a suitable spring and which is intended to come to cover conventionally, the base at rest.

La fiche est en outre pourvue d'un joint 12 destiné à venir se serrer sur un rebord frontal 13 du socle à la fin des manoeuvres d'enfichage, comme il sera expliqué ci-après (figures 5 et 6).The plug is further provided with a seal 12 intended to be clamped on a front edge 13 of the base at the end of the plugging maneuvers, as will be explained below (Figures 5 and 6).

La figure 1 montre une fiche 1 munie de deux bossages 111 et 112 qui font saillie vers l'extérieur (pour un meilleur repérage en ce qui concerne les bossages, le chiffre des centaines représente le numéro de la figure et le chiffre des dizaines la référence de la fiche ou respectivement du socle sur lequel il est aménagé). Ces deux bossages sont disposés en partie dans un plan passant par l'axe longitudinal de la fiche et du socle et sensiblement par le moyen de verrouillage 6, 8. Cette disposition est d'ailleurs respectée sur les autres modes de réalisation représentés.FIG. 1 shows a sheet 1 provided with two bosses 111 and 112 which project outwards (for better identification with regard to bosses, the figure of hundreds represents the number of the figure and the figure of tens the reference of the plug or respectively of the base on which it is fitted). These two bosses are arranged partly in a plane passing through the longitudinal axis of the plug and the base and substantially by the locking means 6, 8. This arrangement is also observed in the other embodiments shown.

Toutefois, le bossage 111 est aménagé, comme le montre la figure 1, vers l'arrière de la partie de la fiche qui doit s'encastrer dans le socle et du côté de l'ergot 8, tandis que le bossage 112 est au contraire prévu vers l'avant de ladite partie et du côté diamétralement opposé à l'ergot 8.However, the boss 111 is arranged, as shown in FIG. 1, towards the rear of the part of the plug which must fit into the base and on the side of the lug 8, while the boss 112 is on the contrary provided towards the front of said part and on the side diametrically opposite to lug 8.

La figure 2 montre un mode de réalisation dans lequel la fiche ne comporte qu'un seul bossage 211 du type 111 de la figure 1.FIG. 2 shows an embodiment in which the plug comprises only a single boss 211 of the type 111 of FIG. 1.

Sur la figure 3, la fiche comporte aussi un bossage 311 du même genre que 111 et 211, mais ici le socle 2 est muni d'un bossage intérieur 321 aménagé vers l'arrière de la partie dans laquelle vient s'encastrer la fiche et du côté diamétralement opposé au crochet.In FIG. 3, the plug also includes a boss 311 of the same kind as 111 and 211, but here the base 2 is provided with an internal boss 321 arranged towards the rear of the part in which the plug is fitted and on the side diametrically opposite the hook.

A la figure 4, seul le socle est pourvue de bossages 421 et 422, ce dernier étant équivalent au bossage 321 de la figure 3, tandis que le bossage 421 est aménagé vers l'avant de la partie dans laquelle vient s'encastrer la fiche et du côté du crochet 6.In FIG. 4, only the base is provided with bosses 421 and 422, the latter being equivalent to the boss 321 in FIG. 3, while the boss 421 is arranged towards the front of the part in which the plug is fitted. and on the hook side 6.

En fait, il existe un très grand nombre de modes de réalisation possibles. Si on se limite aux positions préférentielles telles que 111, 211, 311 (arrière et côté ergot) et 112 (avant et côté opposé) pour la fiche, et 421 (avant et côté crochet), 321, 422 (arrière et côté opposé) pour le socle, certains modes de réalisation possibles et préférentiels ne sont pas représentés. C'est ainsi, par exemple, que la fiche 1 de la figure 1 pourrait ne comporter que le bossage 112, alors que le socle 2, toujours à la figure 1, pourrait dans ce cas comporter ou non un bossage du genre 421 (figure 4). De même pour une fiche 1, telle que celle de la figure 4 (sans bossage), le socle 2 pourrait n'avoir qu'un seul des bossages 421, 422.In fact, there are a very large number of possible embodiments. If we limit ourselves to preferential positions such as 111, 211, 311 (rear and lug side) and 112 (front and opposite side) for the plug, and 421 (front and hook side), 321, 422 (rear and opposite side) for the base, certain possible and preferred embodiments are not shown. Thus, for example, that the plug 1 in Figure 1 could only include the boss 112, while the base 2, still in Figure 1, could in this case include or not a boss of the kind 421 (Figure 4). Similarly for a plug 1, such as that of FIG. 4 (without boss), the base 2 could have only one of the bosses 421, 422.

Toutefois, pour faciliter l'enfichage, il parait avantageux que le bossage de la fiche soit disposé comme représenté en 111, 211 et 311, tandis qu'un bossage du socle 2 sera de préférence du type 321 ou 422, de telle sorte que les modes de réalisation des figures 2 et 3 sont particulièrement avantageux.However, to facilitate plugging in, it seems advantageous for the plug boss to be arranged as shown in 111, 211 and 311, while a boss of the base 2 will preferably be of the type 321 or 422, so that the embodiments of Figures 2 and 3 are particularly advantageous.

En effet, le mode de réalisation de la figure 3 procure une introduction de la fiche facile (bossage à l'arrière de la fiche) et un bon équilibre (bossage opposé dans le socle), tandis que le mode de réalisation de la figure 2 est particulièrement simple, en offrant en outre l'avantage d'une fiche qui peut être utilisée avec les socles déjà existants.Indeed, the embodiment of Figure 3 provides an easy introduction of the plug (boss on the back of the plug) and a good balance (opposite boss in the base), while the embodiment of Figure 2 is particularly simple, while also offering the advantage of a plug which can be used with already existing bases.

Les manoeuvres d'enfichage dépendent des moyens de guidage prévus qui obligent par exemple à une première translation, une rotation et une translation finale. Dans un système particulièrement simple, il est possible d'imaginer seulement une poussée axiale et l'on passe alors des figures 1 et 2 aux figures respectivement 5 et 6.The plugging maneuvers depend on the guide means provided which, for example, require a first translation, a rotation and a final translation. In a particularly simple system, it is possible to imagine only an axial thrust and we then pass from FIGS. 1 and 2 to FIGS. 5 and 6 respectively.

Il est clair qu'en fin de course, le crochet 6, qui pivote d'abord vers l'extérieur (grâce à sa forme) sous l'effet de l'ergot 8 et à l'encontre de la sollicitation du ressort 9, vient ensuite verrouiller l'ensemble en retombant derrière ledit ergot 8 sous l'effet du ressort 9. Un déverrouillage est facilement obtenu en appuyant sur le bouton 10.It is clear that at the end of the race, the hook 6, which first pivots outwards (thanks to its shape) under the effect of the lug 8 and against the stress of the spring 9, then comes to lock the assembly by falling behind said lug 8 under the effect of the spring 9. Unlocking is easily obtained by pressing the button 10.

Comme le montre les figures 5 et 6, la fiche et le socle sont parfaitement coaxiaux et le joint 12 est écrasé uniformément entre la fiche et le socle (autrement dit, les faces en regard de la fiche et du socle sont parfaitement parallèles) et ceci, grâce aux bossages tels que 111, 112 et 211.As shown in Figures 5 and 6, the plug and the base are perfectly coaxial and the seal 12 is flattened uniformly between the plug and the base (in other words, the opposite faces of the plug and the base are perfectly parallel) and this , thanks to bosses such as 111, 112 and 211.

Si les figures 5 et 6 représentent plus particulièrement les modes de réalisation des figures 1 et 2 après enfichage, on peut bien sûr imaginer des figures équivalentes pour les modes de réalisation des figures 2, 3 et 4, de même d'ailleurs que pour les autres modes de réalisation non représentés, mais mentionnés ci-avant.If Figures 5 and 6 show more particularly the embodiments of Figures 1 and 2 after plugging in, one can of course imagine equivalent figures for the embodiments of Figures 2, 3 and 4, as well as for other embodiments not shown, but mentioned above.

Comme on peut le voir aussi sur les figures, les bossages peuvent présenter un léger chanfrein au moins sur leur bord d'attaque, de manière à faciliter l'enfichage.As can also be seen in the figures, the bosses may have a slight chamfer at least on their leading edge, so as to facilitate insertion.

Enfin, il est clair que chaque bossage peut être obtenu directement de moulage ou réalisé sous forme d'une pastille rapportée. La nature et la matière des bossages dépendent bien sûr de la matière constituant les surfaces de la fiche et du socle sur lesquelles ils sont prévus, laquelle peut être métallique ou synthétique.Finally, it is clear that each boss can be obtained directly from molding or produced in the form of an added pellet. The nature and the material of the bosses depend of course on the material constituting the surfaces of the plug and of the base on which they are provided, which can be metallic or synthetic.

Il est clair, comme déjà dit, que l'invention concerne plusieurs types de prise, avec ou sans disques de sécurité, avec ou sans joint d'étanchéité, avec un nombre quelconque de contacts, etc.It is clear, as already said, that the invention relates to several types of socket, with or without safety discs, with or without seal, with any number of contacts, etc.

Claims (6)

  1. Socket with resilient contacts, comprising a base (2) provided with resilient contacts (4a to 4c) and a plug (1) designed, when plugged in, to engage at least partially in said base and to be attached to the latter by a locking means formed by a hook (6) arranged on the base or the plug and which is designed to engage with a snug (8) arranged on the plug or the base respectively, said socket being characterised in that the plug (1) and/or the space (2) comprise at least one boss (111, 112, 211, 311, 321, 421, 422), which projects slightly in relation to the outer surface of the plug and/or the inner surface of the base respectively in a zone of the portion of said plug which engages in said base and/or a zone of the portion of the base in which the plug engages respectively.
  2. Socket according to claim 1, characterised in that the boss or bosses of the base (2) and/or of the plug (1) are disposed in part in a plane passing through the longitudinal axis of the plug and of the base and substantially through the locking means (6, 8).
  3. Socket according to one of claims 1 and 2, characterised in that the boss or at least one of the bosses (112, 211, 311) of the plug (1) is provided towards the rear of the portion of the latter which engages in the base (2) and on the side of the locking means (6, 8).
  4. Socket according to one of claims 1 to 3, characterised in that the boss or at least one of the bosses (112) of the plug (1) is provided towards the front of the portion which engages in the base (2) and on the diametrically opposite side in relation to the locking means (6, 8).
  5. Socket according to one of claims 1 to 4, characterised in that the boss or at least one of the bosses (421) of the base (2) is provided towards the front of the portion in which the plug engages and on the side of the locking means (6, 8).
  6. Socket according to one of claims 1 to 5, characterised in that the boss or at least one of the bosses (321, 422) of the base (2) is provided towards the rear of the portion in which the plug (1) engages and on the side diametrically opposite the locking means (6, 8).
EP89900258A 1987-11-30 1989-06-22 Socket with resilient contacts Expired - Lifetime EP0344263B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8716574 1987-11-30
FR8716574A FR2623945B1 (en) 1987-11-30 1987-11-30 POWER SOCKET WITH PRESSURE CONTACTS

Publications (2)

Publication Number Publication Date
EP0344263A1 EP0344263A1 (en) 1989-12-06
EP0344263B1 true EP0344263B1 (en) 1994-02-16

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EP89900258A Expired - Lifetime EP0344263B1 (en) 1987-11-30 1989-06-22 Socket with resilient contacts

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US (1) US5044977A (en)
EP (1) EP0344263B1 (en)
DE (1) DE3887876T2 (en)
FR (1) FR2623945B1 (en)
WO (1) WO1989005532A1 (en)

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Also Published As

Publication number Publication date
EP0344263A1 (en) 1989-12-06
DE3887876T2 (en) 1994-05-19
FR2623945B1 (en) 1990-04-27
FR2623945A1 (en) 1989-06-02
DE3887876D1 (en) 1994-03-24
WO1989005532A1 (en) 1989-06-15
US5044977A (en) 1991-09-03

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