EP0562950A1 - Locking device for electrical connectors - Google Patents

Locking device for electrical connectors Download PDF

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Publication number
EP0562950A1
EP0562950A1 EP93400749A EP93400749A EP0562950A1 EP 0562950 A1 EP0562950 A1 EP 0562950A1 EP 93400749 A EP93400749 A EP 93400749A EP 93400749 A EP93400749 A EP 93400749A EP 0562950 A1 EP0562950 A1 EP 0562950A1
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EP
European Patent Office
Prior art keywords
blade
connector
locking device
receiving part
electrical connectors
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.)
Withdrawn
Application number
EP93400749A
Other languages
German (de)
French (fr)
Inventor
Philippe Perrin
Nicolas Le Du
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.)
Carrier Kheops Bac SA
Original Assignee
Carrier Kheops Bac 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 Carrier Kheops Bac SA filed Critical Carrier Kheops Bac SA
Publication of EP0562950A1 publication Critical patent/EP0562950A1/en
Withdrawn legal-status Critical Current

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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
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in 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
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/4811—Spring details
    • H01R4/4816—Spring details the spring shape preventing insertion of the conductor end when the spring is unbiased

Definitions

  • the present invention relates to a connector locking device and in particular a device for holding in the connected position electrical plug-type connectors, in accordance with the preamble of claim 1.
  • the setting in connected position of the electrical plug connectors is typically obtained by plugging the male stud (s) of one of the plug parts into the socket or the complementary sockets of the other part of the contact.
  • the connection is locked in the usual way by the annular pinching of each male stud by the receiving socket. Locking of the connection can be achieved by assembling the parts of the plug body integrally with one another, for example by turning one of the parts together on the other.
  • the connection can be tared to a determined level of breakability.
  • DE-A-1 928 485 discloses a movable connector with plugs, the female socket of which is provided within it with blades for locking the plug part.
  • the blades can be pushed back by a push button to release the link.
  • the jamming forming locking of the connection is carried out on the one hand, on the electrical contact part, which can alter it and, on the other hand, on the male plug sheath.
  • the jamming on the electrical part is obtained by means of a support piece or counter-stop of precise conformation.
  • the metal-to-metal wedging connection of the blade on the electrical contact part is weak and must be completed by a second blade acting on the aforementioned sheath. This provision is relatively complex.
  • the object of the invention is to provide a particularly simple and weak connection for holding in the connected position an electrical connector of the plug type.
  • the movable part of the connector is the plug itself.
  • Said blade can be mounted articulated and returned to abutment by a spring means at said determined angle. It can also be flexible, fixed at the desired inclination.
  • Guiding of the racking-in of the parts can be ensured by means of the housing of the mobile part or also by the active parts of the contact, for example the male studs on the receiving cells.
  • the invention also relates to an electrical connector equipped with a device for holding in the connected position as mentioned above.
  • the connector according to the invention is shown very schematically.
  • the actual contact parts have not been represented. Only appear the plug body 1 constituting the movable part of the contact and the fixed receiving receptacle or socket 3 receiving in a suitable housing 5 said plug.
  • the body of the plug is cylindrical, of circular section, and is inserted in the complementary housing 5 of the socket. It is made of plastic, of relatively rigid or semi-rigid constitution.
  • a flexible blade 7 is fixed to the front face 9 of the receiving base. This blade is recalled at a natural inclination of angle ⁇ relative to the front face of the receiving base. It comprises opposite the housing 5 a circular hole 11 of slightly larger diameter than that of the housing. The hole is formed symmetrically with respect to a median plane of the connector ( Figure 2).
  • the shape of the blade hole can be modified as desired depending on the section of the plug body. It may include (FIG. 3) straight edges 15 at the level of the upper edge part coming into contact with the plug body. These V-shaped edges, formed symmetrically with respect to a median plane increase the wedging effect on the plug body and therefore the retention in the connected position of the connector.
  • FIGS 4, 5 and 6 show a reverse assembly of the previous one where the flexible blade 7 ', fixed on a high shoulder of the receiving base, is inclined downward, in natural return at an angle ⁇ '.
  • To plug in or disconnect the plug simply push the blade downwards, the latter returning upwards when the connection is locked at an angle ⁇ 'greater than the angle ⁇ ', where the edge 13 'of its hole comes into blocking on the plug body.
  • the upper edge engaged with the plug body of the blade hole can be V-shaped (FIG. 6) with rectilinear edges 15 ′.

Abstract

The invention relates to a locking device for electrical connectors. This device, of the type having pins, namely essentially including a movable part (pin) (1) equipped with a relatively rigid body and with a contact part formed within it, which, by axial translational movement, can be plugged into a receiving complementary part (socket) (3) of the connector, is characterised in that it brings into play at least one blade (7) which is fixed to and inclined to the front face of the said receiving part of the connector and returned to a predetermined inclination ( alpha ), the said blade being provided with a hole (11) opposite this face and shaped so as to allow the passage of the movable contact part (1), when the blade is inclined slightly, with a view to plugging it into the receiving part (3), and so as to end up jammed in by its edge (13), upon its return, on the body of the movable part (1) when connecting the contact parts, thus retaining the movable part in a manner solidly attached to the receiving part in this plugged-in position. <IMAGE>

Description

La présente invention concerne un dispositif de verrouillage de connecteurs et en particulier un dispositif de maintien en position connectée de connecteurs électriques de type à fiche, conforme au préambule de la revendication 1.The present invention relates to a connector locking device and in particular a device for holding in the connected position electrical plug-type connectors, in accordance with the preamble of claim 1.

La mise en position connectée des connecteurs électriques à fiches s'obtient de façon typique par embrochage du ou des plots mâles de l'une des parties de fiche dans l'alvéole ou les alvéoles complémentaires de l'autre partie du contact. Le verrouillage de la connexion est assuré de façon usuelle par le pincement annulaire de chaque plot mâle par l'alvéole récepteur. Un verrouillage de la connection peut être réalisé en assemblant les parties de corps de fiche solidairement l'une à l'autre, par exemple en tournant en crabotage l'une des parties sur l'autre. Eventuellement, la liaison peut être tarée à un niveau de sécabilité déterminé.The setting in connected position of the electrical plug connectors is typically obtained by plugging the male stud (s) of one of the plug parts into the socket or the complementary sockets of the other part of the contact. The connection is locked in the usual way by the annular pinching of each male stud by the receiving socket. Locking of the connection can be achieved by assembling the parts of the plug body integrally with one another, for example by turning one of the parts together on the other. Optionally, the connection can be tared to a determined level of breakability.

On connaît par DE-A-1 928 485 (SIEMENS) un connecteur mobile à fiches dont la prise femelle est munie en son sein de lames de verrouillage de la partie de fiche mâle. Les lames peuvent être repoussées par un bouton poussoir pour libérer la liaison. Le coincement formant verrouillage de la liaison est effectué d'une part, sur la partie électrique de contact, ce qui peut l'altérer et, d'autre part,sur la gaine de fiche mâle. Le coincement sur la partie électrique est obtenu au moyen d'une pièce d'appui ou de contre-butée de conformation précise. Par ailleurs, la liaison de coincement métal sur métal de la lame sur la partie de contact électrique est faible et doit être complétée par une seconde lame agissant sur la gaine précitée. Cette disposition est relativement complexe.DE-A-1 928 485 (SIEMENS) discloses a movable connector with plugs, the female socket of which is provided within it with blades for locking the plug part. The blades can be pushed back by a push button to release the link. The jamming forming locking of the connection is carried out on the one hand, on the electrical contact part, which can alter it and, on the other hand, on the male plug sheath. The jamming on the electrical part is obtained by means of a support piece or counter-stop of precise conformation. Furthermore, the metal-to-metal wedging connection of the blade on the electrical contact part is weak and must be completed by a second blade acting on the aforementioned sheath. This provision is relatively complex.

L'invention a pour objet de réaliser une liaison particulièrement simple et faible de maintien en position connectée d'un connecteur électrique de type à fiche.The object of the invention is to provide a particularly simple and weak connection for holding in the connected position an electrical connector of the plug type.

Cet objet est obtenu par l'enseignement de la revendication 1.This object is obtained by the teaching of claim 1.

La partie mobile de connecteur est la fiche proprement dite.The movable part of the connector is the plug itself.

Cette disposition permet, lors de la connexion, que la fiche passe au travers de la lame par son trou avant d'être connectée à la partie de prise, ceci avec une légère inclinaison de la lame pour permettre le passage de la fiche par le trou jusqu'à sa connexion complète. Lorsque l'on relâche la lame, au terme de la translation, celle-ci revient sur le corps de fiche et retient celui-ci solidairement à la partie de prise par coincement sur son trou. La manoeuvre est donc très simple.This arrangement allows, during connection, that the plug passes through the blade through its hole before being connected to the grip part, this with a slight inclination of the blade to allow the passage of the plug through the hole until it is fully connected. When the blade is released, at the end of the translation, the latter returns to the plug body and retains the latter integrally with the grip part by wedging on its hole. The operation is therefore very simple.

Ladite lame peut être montée articulée et rappelée en butée par un moyen ressort au dit angle déterminé. Elle peut encore être flexible, fixée à l'inclinaison voulue.Said blade can be mounted articulated and returned to abutment by a spring means at said determined angle. It can also be flexible, fixed at the desired inclination.

Le guidage de l'embrochage des parties peut être assuré par l'intermédiaire du logement de la partie mobile ou encore par les parties actives du contact, par exemple les plots mâles sur les alvéoles récepteurs.Guiding of the racking-in of the parts can be ensured by means of the housing of the mobile part or also by the active parts of the contact, for example the male studs on the receiving cells.

L'invention concerne également un connecteur électrique équipé d'un dispositif de maintien en position connectée tel que précité.The invention also relates to an electrical connector equipped with a device for holding in the connected position as mentioned above.

L'invention est illustrée ci-après à l'aide d'un exemple de réalisation et en référence aux dessins annexés sur lesquels :

  • La figure 1 est une vue en coupe schématique d'un connecteur selon l'invention en position connectée ;
  • La figure 2 est une vue de dessus du connecteur ;
  • La figure 3 montre une variante de réalisation de la lame de rétention du connecteur ;
  • La figure 4 est une vue d'une variante de réalisation d'un connecteur selon l'invention ;
  • La figure 5 est une vue de dessus de ce connecteur; et
  • La figure 6 montre une variante de réalisation de la lame de rétention.
The invention is illustrated below using an embodiment and with reference to the accompanying drawings in which:
  • Figure 1 is a schematic sectional view of a connector according to the invention in the connected position;
  • Figure 2 is a top view of the connector;
  • Figure 3 shows an alternative embodiment of the connector retention blade;
  • Figure 4 is a view of an alternative embodiment of a connector according to the invention;
  • Figure 5 is a top view of this connector; and
  • Figure 6 shows an alternative embodiment of the retention blade.

Le connecteur selon l'invention, avec référence à la figure 1, est représenté de façon très schématique. Les parties de contact proprement dites n'ont pas été représentées. Seuls apparaissent le corps de fiche 1 constituant la partie mobile du contact et l'embase réceptrice fixe ou prise 3 recevant dans un logement adéquat 5 ladite fiche. Le corps de la fiche est cylindrique, de section circulaire, et est embroché dans le logement complémentaire 5 de la prise. Il est en matière plastique, de constitution relativement rigide ou semi-rigide. Une lame flexible 7 est fixée sur la face avant 9 de l'embase réceptrice. Cette lame est rappelée à une inclinaison naturelle d'angle α par rapport à la face avant de l'embase réceptrice. Elle comporte en regard du logement 5 un trou circulaire 11 de diamètre légèrement plus important que celui du logement. Le trou est formé avec symétrie par rapport à un plan médian du connecteur (Figure 2). Lorsque la lame est repoussée vers le bas, son trou dégage une ouverture suffisante pour le passage du corps de la fiche en vue de son embrochage ou débrochage dans la prise. Lorsque l'on relâche la lame, elle est rappelée à un angle β plus petit, son bord 13 proche de son extrémité haute s'appliquant en pression contre le corps relativement rigide 1 de la fiche. Le coincement réalisé par le bord supérieur du trou sur le corps de fiche verrouille la fiche en position connectée dans sa prise, s'opposant à toute traction vers le haut de la fiche selon la flèche.The connector according to the invention, with reference to Figure 1, is shown very schematically. The actual contact parts have not been represented. Only appear the plug body 1 constituting the movable part of the contact and the fixed receiving receptacle or socket 3 receiving in a suitable housing 5 said plug. The body of the plug is cylindrical, of circular section, and is inserted in the complementary housing 5 of the socket. It is made of plastic, of relatively rigid or semi-rigid constitution. A flexible blade 7 is fixed to the front face 9 of the receiving base. This blade is recalled at a natural inclination of angle α relative to the front face of the receiving base. It comprises opposite the housing 5 a circular hole 11 of slightly larger diameter than that of the housing. The hole is formed symmetrically with respect to a median plane of the connector (Figure 2). When the blade is pushed down, its hole gives off a sufficient opening for the body of the plug to pass in order to plug it in or unplug it from the socket. When the blade is released, it is recalled at a smaller angle β, its edge 13 close to its upper end applying pressure against the relatively rigid body 1 of the plug. The jamming produced by the upper edge of the hole on the plug body locks the plug in the connected position in its socket, opposing any upward pull of the plug according to the arrow.

Naturellement, la forme du trou de la lame peut être modifiée à souhait selon la section du corps de fiche. Elle peut comporter (figure 3) des arêtes droites 15 au niveau de la partie de bord supérieure entrant en contact avec le corps de fiche. Ces arêtes en forme de V, formées symétriquement par rapport à un plan médian augmentent l'effet de prise en coincement sur le corps de fiche et par conséquent, la retenue en position connectée du connecteur.Naturally, the shape of the blade hole can be modified as desired depending on the section of the plug body. It may include (FIG. 3) straight edges 15 at the level of the upper edge part coming into contact with the plug body. These V-shaped edges, formed symmetrically with respect to a median plane increase the wedging effect on the plug body and therefore the retention in the connected position of the connector.

Pour libérer la fiche, il faut pousser la lame de façon manuelle ou autre vers le bas, de façon à dégager le bord en prise sur le corps de fiche. A ce moment, la fiche peut être retirée de la prise. L'embrochage s'effectue de façon analogue. La manoeuvre est donc commode, rapide et le dispositif particulièrement simple.To release the plug, you must push the blade manually or otherwise downwards, so as to release the edge engaged on the plug body. At this time, the plug can be removed from the outlet. The racking-in takes place from analogously. The operation is therefore convenient, rapid and the device particularly simple.

Les figures 4, 5 et 6 représentent un montage inverse du précédent où la lame flexible 7', fixée sur un épaulement haut de l'embase réceptrice, est inclinée vers le bas, en rappel naturel à un angle α'. Pour embrocher ou déconnecter la fiche, il suffit de pousser vers le bas la lame, celle-ci revenant vers le haut au verrouillage de la connexion à un angle β' supérieur à l'angle α', où le bord 13' de son trou vient en bloquage sur le corps de fiche.Figures 4, 5 and 6 show a reverse assembly of the previous one where the flexible blade 7 ', fixed on a high shoulder of the receiving base, is inclined downward, in natural return at an angle α'. To plug in or disconnect the plug, simply push the blade downwards, the latter returning upwards when the connection is locked at an angle β 'greater than the angle α', where the edge 13 'of its hole comes into blocking on the plug body.

De même que précédemment, le bord supérieur en prise avec le corps de fiche du trou de la lame peut être conformé en V (figure 6) avc des arêtes rectilignes 15'.As before, the upper edge engaged with the plug body of the blade hole can be V-shaped (FIG. 6) with rectilinear edges 15 ′.

D'autres variantes de réalisation peuvent être imaginées dans le cadre des revendications ci-après.Other variant embodiments can be imagined within the scope of the claims below.

Claims (5)

1- Dispositif de verrouillage en position connectée de connecteurs électriques de type à fiche, à savoir comportant essentiellement une partie mobile (fiche) (1) munie d'un corps relativement rigide et d'une partie de contact, embrochable par translation axiale dans une partie complémentaire réceptrice (prise) (3) du connecteur, ladite partie réceptrice (3) du connecteur étant un élément de prise électrique fixe, dans un coffret, boîtier ou armoire électrique, ou encore sur une paroi support, caractérisé en ce qu'il fait intervenir au moins une lame (7,7') fixée inclinée sur la face avant de ladite partie réceptrice du connecteur et rappelée à une inclinaison déterminée (α,α'), ladite lame étant pourvue d'un trou (11,11') en regard de cette face conformé pour permettre le passage de la partie mobile de contact (1) sous une légère inclinaison de la lame en vue de son embrochage dans la partie réceptrice (3) et venir en coincement par son bord (13,13'), lors de son rappel, sur le corps de la partie mobile (1) à la connexion des parties de contact, retenant ainsi la partie mobile solidairement à la partie réceptrice dans cette position embrochée. 1- Locking device in the connected position of electrical connectors of the plug type, namely essentially comprising a movable part (plug) (1) provided with a relatively rigid body and a contact part, pluggable by axial translation in a complementary receiving part (socket) (3) of the connector, said receiving part (3) of the connector being a fixed electrical socket element, in a cabinet, box or electrical cabinet, or on a support wall, characterized in that it involves at least one blade (7,7 ') fixed inclined on the front face of said receiving part of the connector and returned to a determined inclination (α, α'), said blade being provided with a hole (11,11 ' ) opposite this shaped face to allow the passage of the movable contact part (1) under a slight inclination of the blade with a view to plugging it into the receiving part (3) and coming into wedge by its edge (13,13 '), when from its reminder, on the body of the mobile part (1) at the connection of the contact parts, thus retaining the mobile part integrally with the receiving part in this plugged-in position. 2- Dispositif de verrouillage en position connectée de connecteurs électriques selon la revendication 1, caractérisé en ce que ladite lame (7,7') est montée articulée et rappelée en butée par un moyen ressort au dit angle déterminé (α,α'). 2- Locking device in the connected position of electrical connectors according to claim 1, characterized in that said blade (7,7 ') is mounted articulated and returned to abutment by a spring means at said determined angle (α, α'). 3- Dispositif de verrouillage en position connectée de connecteurs électriques selon l'une des revendications 1, 2, caractérisé en ce ladite lame (7,7') est flexible, fixée à l'inclinaison voulue déterminée (α,α'). 3- Locking device in the connected position of electrical connectors according to one of claims 1, 2, characterized in that said blade (7,7 ') is flexible, fixed at the desired desired inclination (α, α'). 4- Dispositif de verrouillage en position connectée de connecteurs électriques selon l'une des revendications précédentes, caractérisé en ce que le guidage de l'embrochage des parties (1,3) est assuré par l'intermédiaire du logement (5) de la partie mobile (1) ou encore par les parties actives du contact, par exemple, les plots mâles sur les alvéoles récepteurs. 4- Locking device in the connected position of electrical connectors according to one of the preceding claims, characterized in that the guidance of the racking-in of the parts (1,3) is ensured by means of the housing (5) of the part mobile (1) or by the active parts of the contact, for example, the male studs on the receptor cells. 5- Connecteur électrique équipé d'un dispositif de maintien en position connectée, tel que défini dans l'une quelconque des revendications précédentes. 5- Electrical connector equipped with a device for holding in the connected position, as defined in any one of the preceding claims.
EP93400749A 1992-03-25 1993-03-23 Locking device for electrical connectors Withdrawn EP0562950A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9203599 1992-03-25
FR9203599A FR2689325B1 (en) 1992-03-25 1992-03-25 LOCKING DEVICE FOR ELECTRICAL CONNECTORS.

Publications (1)

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EP0562950A1 true EP0562950A1 (en) 1993-09-29

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EP93400749A Withdrawn EP0562950A1 (en) 1992-03-25 1993-03-23 Locking device for electrical connectors

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EP (1) EP0562950A1 (en)
FR (1) FR2689325B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5401180A (en) * 1993-06-01 1995-03-28 Itt Corporation Connector shorting spring

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1928485A1 (en) * 1969-06-04 1970-12-10 Siemens Ag Device for connecting and clamping the inner conductor and the outer conductor of a coaxial cable
US3796987A (en) * 1972-06-09 1974-03-12 Amp Inc Electrical receptacle and connector
US4153319A (en) * 1977-12-12 1979-05-08 General Motors Corporation Locking shield for electrical terminal

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1928485A1 (en) * 1969-06-04 1970-12-10 Siemens Ag Device for connecting and clamping the inner conductor and the outer conductor of a coaxial cable
US3796987A (en) * 1972-06-09 1974-03-12 Amp Inc Electrical receptacle and connector
US4153319A (en) * 1977-12-12 1979-05-08 General Motors Corporation Locking shield for electrical terminal

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5401180A (en) * 1993-06-01 1995-03-28 Itt Corporation Connector shorting spring

Also Published As

Publication number Publication date
FR2689325B1 (en) 1996-07-12
FR2689325A1 (en) 1993-10-01

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