EP2034559A1 - Electrical connection device, application and method of use - Google Patents

Electrical connection device, application and method of use Download PDF

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Publication number
EP2034559A1
EP2034559A1 EP08290722A EP08290722A EP2034559A1 EP 2034559 A1 EP2034559 A1 EP 2034559A1 EP 08290722 A EP08290722 A EP 08290722A EP 08290722 A EP08290722 A EP 08290722A EP 2034559 A1 EP2034559 A1 EP 2034559A1
Authority
EP
European Patent Office
Prior art keywords
conductor
hooks
piece
base
wings
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
EP08290722A
Other languages
German (de)
French (fr)
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EP2034559B1 (en
Inventor
Jean-Pierre Barriuso
Patrick Hauchard
Yves Sauce
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.)
Legrand SNC
Legrand France SA
Original Assignee
Legrand SNC
Legrand France SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
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Publication of EP2034559A1 publication Critical patent/EP2034559A1/en
Application granted granted Critical
Publication of EP2034559B1 publication Critical patent/EP2034559B1/en
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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
    • 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
    • H01R4/58—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 characterised by the form or material of the contacting members
    • H01R4/60—Connections between or with tubular conductors
    • 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
    • H01R4/58—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 characterised by the form or material of the contacting members
    • H01R4/64—Connections between or with conductive parts having primarily a non-electric function, e.g. frame, casing, rail
    • H01R4/643—Connections between or with conductive parts having primarily a non-electric function, e.g. frame, casing, rail for rigid cylindrical bodies
    • 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
    • H01R4/38—Clamped connections, spring connections utilising a clamping member acted on by screw or nut
    • 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

Definitions

  • the invention relates generally to the field of electrical equipment.
  • the invention relates, in a first aspect, to an electrical connection device adapted to connect to an electrical conductor without physical interruption of the conductor, this device comprising at least a first piece enclosing or contributing to grip the driver to the way of a clamp.
  • Connection devices which use a flexible metal strip completely surrounding the conductor, associated with clamping members allowing this band to be applied to the conductor.
  • the invention aims to provide a connection device free from the disadvantages and limitations mentioned above.
  • the device of the invention is essentially characterized in that said first piece takes the form of a first stirrup having first and second lateral wings extending, in directions parallel to a common direction, from a first central base which connects them extending in a direction transverse to this common direction, in that the first and second wings respectively define first and second hooks in each of which the electrical conductor can be inserted, and in that the first and second hooks have respective openings oriented in opposite directions.
  • the driver as seen along its axis, is completely surrounded by the device without the use of a flexible band which one end must be passed around the driver.
  • the device of the invention comprises for example a resilient holding member connected to the first base and disposed between the two hooks, the elastic holding member having an active portion remote from the first base, and being designed to oppose an elastic resistance to any force tending to bring this active part closer to the first base.
  • This elastic holding member which is preferably metallic, may comprise at least one resiliently flexible lamella folded into a U-shape, this lamella having a branch integral or constitutive of the first base, and a free branch forming said active part.
  • the tightening force exerted by the device on the conductor can be optimized by providing that this device further comprises a clamping member such as a screw and a second part movable relative to the first part, that the first and second parts have an adjustable relative position by means of the clamping member, and that these parts are adapted to adopt a configuration in which the hooks of the first part on the one hand, and the second part on the other hand respectively form first and second jaw enclosing the driver.
  • a clamping member such as a screw and a second part movable relative to the first part
  • the second piece takes the form of a second yoke also having two substantially parallel lateral wings connected by a second central base, the free edges of the wings of this second piece forming the second jaw , that one of the first and second stirrups is disposed in the other, the respective homologous wings of the two stirrups guiding each other on one another, and that the first and second central bases are arranged parallel to one another by relative to each other at a distance adjustable by the clamping member.
  • the first and second hooks are respectively produced by cutting the first and second wings of the first piece, itself made in the form of a cut and folded metal blank.
  • the second hook can then easily be symmetrical with the first hook with respect to a median axis substantially perpendicular to the first central base.
  • first and second hooks have corresponding notches, and each of these notches defines on the corresponding hook, two shoulders through which the hook is on the driver .
  • the invention also relates to a method of using a device according to any one of the preceding claims, this method being characterized in that it comprises at least one operation of introducing the conductor between the two hooks of this device, and to apply a quarter turn to this device to simultaneously introduce the conductor into the two hooks.
  • the invention also relates to the application of a device as defined above, wherein the conductor is constituted by a rigid elongated element, such as a water circulation pipe.
  • the invention relates, according to a first aspect, an electrical connection device adapted to connect to an electrical conductor C without physical interruption of the conductor C.
  • the conductor C is typically constituted by an elongated and rigid element, such as for example a water circulation pipe.
  • the device of the invention comprises one or more parts such as 1 and 2, each of which encloses the conductor C in the manner of a clamp, or that it contributes to grip.
  • the main piece 1 which consists for example of a metal blank cut and folded, takes the form of a stirrup with two lateral wings 11 and 12 and a central base 13.
  • the wings 11 and 12 extend, from the base 13, in directions parallel to a common direction, in this case constituted by the direction of the median axis Z of the part 1.
  • the central base 13 connects the wings 11 and 12 and extends itself generally in a direction T, transverse to the central axis Z.
  • the wings 11 and 12 define respective hooks 111 and 121 in each of which the electrical conductor C can be inserted.
  • the hooks 111 and 121 have respective openings 110 and 120 which are oriented in opposite directions.
  • the hooks 111 and 121 can be respectively obtained by cutting the wings 11 and 12 of the part 1, for example made during the stamping of this part and before its folding.
  • each of the hooks 111 and 121 is symmetrical to the other with respect to the median axis Z, that is to say superimposable on this other hook by rotating 180 degrees around this axis Z.
  • the hooks 111 and 121 may have corresponding indentations 112 and 122 ( figure 3 ), each of these indentations defining two shoulders on the corresponding hook, namely the shoulders 112a and 112b on the hook 111, and the shoulders 122a and 122b on the hook 121.
  • each of the hooks 111 and 121 bears directly on the conductor C by its two shoulders regardless of the diameter that this conductor presents in a range of possible diameters, which greatly improves the holding of the device on this conductor.
  • This device may also comprise a resilient retaining member 3, disposed between the hooks 111 and 121, and for example constituted by an elastically flexible metal lamella and folded in a U.
  • a branch 32 of the strip 3 is for example fixed to the base 13 of the part or is, partially or in all, constituted by this base.
  • this strip 3 opposes an elastic resistance to any force that tends to bring the free branch 31 of the base 13, so that this free branch 31 exerts, in the operational configuration of the device, a force of elastic support on the conductor C.
  • the auxiliary part 2 is movable relative to the main part 1 and has, relative to this part 1, a relative position adjustable by means of a clamping member 4, for example constituted by a screw which also serves to fix the slat 3 on the base 13.
  • a clamping member 4 for example constituted by a screw which also serves to fix the slat 3 on the base 13.
  • the parts 1 and 2 can thus adopt a configuration in which the hooks 111 and 121 on the one hand, and the part 2 on the other hand, form respective jaws enclosing the conductor C in the manner of a clamp.
  • part 2 can also take the form of a stirrup with two wings 21 and 22 substantially parallel to each other and interconnected by a central base 23, the second jaw being more specifically constituted by the respective free edges 211 and 221 of the wings 21 and 22.
  • the stirrups formed by the parts 1 and 2 can be nested one inside the other as illustrated, so that the respective wings homologous parts 1 and 2, such as 11 and 21 on the one hand, and 12 and 22 d on the other hand, guide each other on each side of these rooms.
  • the respective bases 13 and 23 of the parts 1 and 2 are arranged parallel to one another, at a distance adjustable by the screw 4.
  • the device of the invention furthermore comprises, in a conventional manner, a wire clamp 5 making it possible to maintain a conducting wire F that the device of the invention makes it possible to put at the same electrical potential as the conductor C.
  • the device of the invention may also comprise a cover 6 of plastic material, at least partially covering the part 2 and connected to the latter by snapping.
  • This cover can be pierced with an upper orifice 60 giving access, for a screwdriver, to the head of the screw 4 but having a smaller diameter than that of the screw head so as to limit the torque that can be applied to the screw 4 and to avoid the deformation of the conductor C.

Landscapes

  • Clamps And Clips (AREA)
  • Combinations Of Printed Boards (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Suspension Of Electric Lines Or Cables (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Connections By Means Of Piercing Elements, Nuts, Or Screws (AREA)
  • Multi-Conductor Connections (AREA)

Abstract

The device has a piece e.g. folded and cut metallic blank, surrounding or contributing to surround an electrical conductor (C) in a clamping manner, where the piece takes the form of an U bolt presenting of lateral wings extending from a central base in directions parallel to a common direction. The central base connects the wings by extending a direction transversal to the common direction. The wings define two hooks in which the electrical conductor is inserted, where the hooks have respective openings oriented in opposite directions.

Description

L'invention concerne, de façon générale, le domaine des appareillages électriques.The invention relates generally to the field of electrical equipment.

Plus précisément, l'invention concerne, selon un premier aspect, un dispositif de connexion électrique propre à se raccorder à un conducteur électrique sans interruption physique de ce conducteur, ce dispositif comprenant au moins une première pièce enserrant ou contribuant à enserrer le conducteur à la manière d'une pince.More specifically, the invention relates, in a first aspect, to an electrical connection device adapted to connect to an electrical conductor without physical interruption of the conductor, this device comprising at least a first piece enclosing or contributing to grip the driver to the way of a clamp.

Un tel dispositif est notamment connu de l'homme du métier par le brevet US 4 863 390 .Such a device is in particular known to a person skilled in the art by the patent US 4,863,390 .

En dépit de l'intérêt qu'il présente, ce dispositif antérieur n'offre pas, une fois mis en place, une stabilité suffisante au regard des normes aujourd'hui en vigueur.Despite the interest it presents, this prior device does not offer, once set up, sufficient stability compared to the standards currently in force.

On connait par ailleurs des dispositifs de connexion qui utilisent une bande métallique souple entourant totalement le conducteur, associée à des organes de serrage permettant à cette bande de s'appliquer sur le conducteur.Connection devices are also known which use a flexible metal strip completely surrounding the conductor, associated with clamping members allowing this band to be applied to the conductor.

Sous réserve d'être correctement montés, de tels dispositifs présentent une stabilité satisfaisante, au prix toutefois d'un montage relativement complexe, conduisant à un résultat dont la qualité dépend grandement de l'expertise de l'opérateur.Provided they are correctly mounted, such devices have a satisfactory stability, but at the cost of a relatively complex assembly, leading to a result whose quality depends greatly on the expertise of the operator.

Dans ce contexte, l'invention a pour but de proposer un dispositif de connexion exempt des inconvénients et limitations précédemment évoqués.In this context, the invention aims to provide a connection device free from the disadvantages and limitations mentioned above.

A cette fin, le dispositif de l'invention, par ailleurs conforme à la définition générique qu'en donne le préambule ci-dessus, est essentiellement caractérisé en ce que ladite première pièce prend la forme d'un premier étrier présentant des première et deuxième ailes latérales s'étendant, dans des directions parallèles à une direction commune, à partir d'une première base centrale qui les relie en s'étendant dans une direction transversale à cette direction commune, en ce que les première et deuxième ailes définissent respectivement des premier et deuxième crochets dans chacun desquels le conducteur électrique peut être inséré, et en ce que les premier et deuxième crochets présentent des ouvertures respectives orientées dans des directions opposées.To this end, the device of the invention, furthermore in accordance with the generic definition given in the preamble above, is essentially characterized in that said first piece takes the form of a first stirrup having first and second lateral wings extending, in directions parallel to a common direction, from a first central base which connects them extending in a direction transverse to this common direction, in that the first and second wings respectively define first and second hooks in each of which the electrical conductor can be inserted, and in that the first and second hooks have respective openings oriented in opposite directions.

Grâce à cette structure, le conducteur, tel qu'il est vu suivant son axe, se trouve totalement entouré par le dispositif sans le recours à une bande flexible dont une extrémité doit être passée autour de ce conducteur.With this structure, the driver, as seen along its axis, is completely surrounded by the device without the use of a flexible band which one end must be passed around the driver.

Pour rendre le montage encore plus aisé, le dispositif de l'invention comprend par exemple un organe élastique de maintien lié à la première base et disposé entre les deux crochets, cet organe élastique de maintien comportant une partie active distante de la première base, et étant conçu pour opposer une résistance élastique à toute force tendant à rapprocher cette partie active de la première base.To make the mounting even easier, the device of the invention comprises for example a resilient holding member connected to the first base and disposed between the two hooks, the elastic holding member having an active portion remote from the first base, and being designed to oppose an elastic resistance to any force tending to bring this active part closer to the first base.

Cet organe élastique de maintien, qui est de préférence métallique, peut comprendre au moins une lamelle élastiquement flexible repliée en U, cette lamelle présentant une branche solidaire ou constitutive de la première base, et une branche libre formant ladite partie active.This elastic holding member, which is preferably metallic, may comprise at least one resiliently flexible lamella folded into a U-shape, this lamella having a branch integral or constitutive of the first base, and a free branch forming said active part.

L'effort de serrage exercé par le dispositif sur le conducteur peut être optimisé en prévoyant que ce dispositif comprenne en outre un organe de serrage tel qu'une vis et une deuxième pièce mobile par rapport à la première pièce, que les première et deuxième pièces présentent une position relative réglable au moyen de l'organe de serrage, et que ces pièces soient propres à adopter une configuration dans laquelle les crochets de la première pièce d'une part, et la deuxième pièce d'autre part forment respectivement des premier et deuxième mors enserrant le conducteur.The tightening force exerted by the device on the conductor can be optimized by providing that this device further comprises a clamping member such as a screw and a second part movable relative to the first part, that the first and second parts have an adjustable relative position by means of the clamping member, and that these parts are adapted to adopt a configuration in which the hooks of the first part on the one hand, and the second part on the other hand respectively form first and second jaw enclosing the driver.

Dans ce cas, il est également possible de prévoir que la deuxième pièce prenne la forme d'un deuxième étrier présentant lui aussi deux ailes latérales sensiblement parallèles reliées par une deuxième base centrale, les bords libres des ailes de cette deuxième pièce formant le deuxième mors, que l'un des premier et deuxième étriers soit disposé dans l'autre, les ailes homologues respectives des deux étriers se guidant mutuellement l'une sur l'autre, et que les première et deuxième bases centrales soient disposées parallèlement l'une par rapport à l'autre à une distance réglable par l'organe de serrage.In this case, it is also possible to provide that the second piece takes the form of a second yoke also having two substantially parallel lateral wings connected by a second central base, the free edges of the wings of this second piece forming the second jaw , that one of the first and second stirrups is disposed in the other, the respective homologous wings of the two stirrups guiding each other on one another, and that the first and second central bases are arranged parallel to one another by relative to each other at a distance adjustable by the clamping member.

Dans un mode de réalisation industriellement avantageux, les premier et deuxième crochets sont respectivement réalisés par découpe des première et deuxième ailes de la première pièce, elle-même réalisée sous forme d'un flan métallique découpé et plié.In an industrially advantageous embodiment, the first and second hooks are respectively produced by cutting the first and second wings of the first piece, itself made in the form of a cut and folded metal blank.

Le deuxième crochet peut alors facilement être symétrique du premier crochet par rapport à un axe médian sensiblement perpendiculaire à la première base centrale.The second hook can then easily be symmetrical with the first hook with respect to a median axis substantially perpendicular to the first central base.

Pour optimiser la tenue du dispositif sur le conducteur, il peut être judicieux de prévoir que les premier et deuxième crochets présentent des échancrures correspondantes, et que chacune de ces échancrures définisse, sur le crochet correspondant, deux épaules par lesquelles ce crochet porte sur le conducteur.To optimize the behavior of the device on the conductor, it may be wise to provide that the first and second hooks have corresponding notches, and each of these notches defines on the corresponding hook, two shoulders through which the hook is on the driver .

L'invention concerne également un procédé d'utilisation d'un dispositif suivant l'une quelconque des revendications précédentes, ce procédé étant caractérisé en ce qu'il comprend au moins une opération consistant à introduire le conducteur entre les deux crochets de ce dispositif, et à appliquer un quart de tour à ce dispositif pour introduire simultanément le conducteur dans les deux crochets.The invention also relates to a method of using a device according to any one of the preceding claims, this method being characterized in that it comprises at least one operation of introducing the conductor between the two hooks of this device, and to apply a quarter turn to this device to simultaneously introduce the conductor into the two hooks.

L'invention concerne encore l'application d'un dispositif tel que précédemment défini, application dans laquelle le conducteur est constitué par un élément allongé rigide, tel qu'un tuyau de circulation d'eau.The invention also relates to the application of a device as defined above, wherein the conductor is constituted by a rigid elongated element, such as a water circulation pipe.

D'autres caractéristiques et avantages de l'invention ressortiront clairement de la description qui en est faite ci-après, à titre indicatif et nullement limitatif, en référence aux dessins annexés, dans lesquels :

  • la figure 1 est une vue éclatée en perspective d'un dispositif conforme à l'invention;
  • la figure 2 est une vue en perspective, sous un premier angle, du dispositif illustré à la figure 1, représenté dans sa configuration prête à l'emploi; et
  • la figure 3 est une vue en perspective, sous un deuxième angle, du dispositif illustré à la figure 2.
Other characteristics and advantages of the invention will emerge clearly from the description which is given hereinafter, by way of indication and in no way limitative, with reference to the appended drawings, in which:
  • the figure 1 is an exploded perspective view of a device according to the invention;
  • the figure 2 is a perspective view, at a first angle, of the device illustrated in FIG. figure 1 , shown in its ready-to-use configuration; and
  • the figure 3 is a perspective view, at a second angle, of the device illustrated in FIG. figure 2 .

Comme annoncé précédemment, l'invention concerne, selon un premier de ses aspects, un dispositif de connexion électrique propre à se raccorder à un conducteur électrique C sans interruption physique de ce conducteur C.As previously announced, the invention relates, according to a first aspect, an electrical connection device adapted to connect to an electrical conductor C without physical interruption of the conductor C.

Comme le suggère la figure 2, le conducteur C est typiquement constitué par un élément allongé et rigide, tel par exemple qu'un tuyau de circulation d'eau.As suggested by figure 2 , the conductor C is typically constituted by an elongated and rigid element, such as for example a water circulation pipe.

Le dispositif de l'invention comprend une ou plusieurs pièces telles que 1 et 2, dont chacune enserre le conducteur C à la manière d'une pince, ou qu'elle contribue à enserrer.The device of the invention comprises one or more parts such as 1 and 2, each of which encloses the conductor C in the manner of a clamp, or that it contributes to grip.

Selon l'invention, la pièce principale 1, qui est par exemple constituée d'un flan métallique découpé et plié, prend la forme d'un étrier doté de deux ailes latérales 11 et 12 et d'une base centrale 13.According to the invention, the main piece 1, which consists for example of a metal blank cut and folded, takes the form of a stirrup with two lateral wings 11 and 12 and a central base 13.

Les ailes 11 et 12 s'étendent, à partir de la base 13, dans des directions parallèles à une direction commune, en l'occurrence constituée par la direction de l'axe médian Z de la pièce 1.The wings 11 and 12 extend, from the base 13, in directions parallel to a common direction, in this case constituted by the direction of the median axis Z of the part 1.

La base centrale 13 relie les ailes 11 et 12 et s'étend elle-même globalement dans une direction T, transversale à l'axe médian Z.The central base 13 connects the wings 11 and 12 and extends itself generally in a direction T, transverse to the central axis Z.

Les ailes 11 et 12 définissent des crochets respectifs 111 et 121 dans chacun desquels le conducteur électrique C peut être inséré.The wings 11 and 12 define respective hooks 111 and 121 in each of which the electrical conductor C can be inserted.

Pour ce faire, et pour enserrer le conducteur C de façon optimale, les crochets 111 et 121 présentent des ouvertures respectives 110 et 120 qui sont orientées dans des directions opposées.To do this, and to grip the conductor C optimally, the hooks 111 and 121 have respective openings 110 and 120 which are oriented in opposite directions.

Pour raccorder le dispositif de l'invention à un conducteur C, il convient tout d'abord d'engager la pièce 1 sur le conducteur C en passant les crochets 111 et 121 de part et d'autre de ce conducteur, puis d'appliquer au dispositif un quart de tour pour introduire simultanément le conducteur C dans les ouvertures respectives 110 et 120 de ces crochets.To connect the device of the invention to a conductor C, it is first necessary to engage the part 1 on the conductor C by passing the hooks 111 and 121 on either side of this conductor, then to apply the device a quarter turn to simultaneously introduce the conductor C into the respective openings 110 and 120 of these hooks.

Comme le montrent les figures, les crochets 111 et 121 peuvent être respectivement obtenus par découpage des ailes 11 et 12 de la pièce 1, par exemple réalisé lors de l'emboutissage de cette pièce et avant son pliage.As shown in the figures, the hooks 111 and 121 can be respectively obtained by cutting the wings 11 and 12 of the part 1, for example made during the stamping of this part and before its folding.

Dans ce cas, il est aisé de prévoir que chacun des crochets 111 et 121 soit symétrique de l'autre par rapport à l'axe médian Z, c'est-à-dire superposable à cet autre crochet par rotation de 180 degrés autour de cet axe Z.In this case, it is easy to provide that each of the hooks 111 and 121 is symmetrical to the other with respect to the median axis Z, that is to say superimposable on this other hook by rotating 180 degrees around this axis Z.

Par ailleurs, les crochets 111 et 121 peuvent présenter des échancrures correspondantes 112 et 122 (figure 3), chacune de ces échancrures définissant deux épaules sur le crochet correspondant, à savoir les épaules 112a et 112b sur le crochet 111, et les épaules 122a et 122b sur le crochet 121.Furthermore, the hooks 111 and 121 may have corresponding indentations 112 and 122 ( figure 3 ), each of these indentations defining two shoulders on the corresponding hook, namely the shoulders 112a and 112b on the hook 111, and the shoulders 122a and 122b on the hook 121.

Grâce à cet agencement, chacun des crochets 111 et 121 porte directement sur le conducteur C par ses deux épaules indépendamment du diamètre que présente ce conducteur dans une gamme de diamètres possibles, ce qui améliore considérablement la tenue du dispositif sur ce conducteur.Thanks to this arrangement, each of the hooks 111 and 121 bears directly on the conductor C by its two shoulders regardless of the diameter that this conductor presents in a range of possible diameters, which greatly improves the holding of the device on this conductor.

Ce dispositif peut aussi comprendre un organe élastique de maintien 3, disposé entre les crochets 111 et 121, et par exemple constitué par une lamelle métallique élastiquement flexible et repliée en U.This device may also comprise a resilient retaining member 3, disposed between the hooks 111 and 121, and for example constituted by an elastically flexible metal lamella and folded in a U.

Une branche 32 de la lamelle 3 est par exemple fixée à la base 13 de la pièce ou est, partiellement ou en totalité, constituée par cette base.A branch 32 of the strip 3 is for example fixed to the base 13 of the part or is, partially or in all, constituted by this base.

La branche libre 31, qui est distante de la base 13 et de la branche liée 32 le long de l'axe Z, constitue la partie active de cet organe de maintien.The free branch 31, which is remote from the base 13 and the connected branch 32 along the Z axis, constitutes the active part of this holding member.

Grâce à sa flexibilité et à sa conformation, cette lamelle 3 oppose une résistance élastique à toute force qui tend à rapprocher la branche libre 31 de la base 13, de sorte que cette branche libre 31 exerce, en configuration opérationnelle du dispositif, une force d'appui élastique sur le conducteur C.Thanks to its flexibility and its conformation, this strip 3 opposes an elastic resistance to any force that tends to bring the free branch 31 of the base 13, so that this free branch 31 exerts, in the operational configuration of the device, a force of elastic support on the conductor C.

La pièce auxiliaire 2 est mobile par rapport à la pièce principale 1 et présente, par rapport à cette pièce 1, une position relative réglable au moyen d'un organe de serrage 4, par exemple constitué par une vis qui sert également à fixer la lamelle 3 sur la base 13.The auxiliary part 2 is movable relative to the main part 1 and has, relative to this part 1, a relative position adjustable by means of a clamping member 4, for example constituted by a screw which also serves to fix the slat 3 on the base 13.

Les pièces 1 et 2 peuvent ainsi adopter une configuration dans laquelle les crochets 111 et 121 d'une part, et la pièce 2 d'autre part, forment des mors respectifs enserrant le conducteur C à la manière d'une pince.The parts 1 and 2 can thus adopt a configuration in which the hooks 111 and 121 on the one hand, and the part 2 on the other hand, form respective jaws enclosing the conductor C in the manner of a clamp.

Comme le montrent encore les figures, la pièce 2 peut aussi prendre la forme d'un étrier doté de deux ailes latérales 21 et 22 sensiblement parallèles l'une à l'autre et reliées entre elles par une base centrale 23, le deuxième mors étant plus spécifiquement constitué par les bords libres respectifs 211 et 221 des ailes 21 et 22.As the figures show, part 2 can also take the form of a stirrup with two wings 21 and 22 substantially parallel to each other and interconnected by a central base 23, the second jaw being more specifically constituted by the respective free edges 211 and 221 of the wings 21 and 22.

Les étriers que forment les pièces 1 et 2 peuvent être emboîtés l'un dans l'autre comme illustré, de sorte que les ailes respectives homologues des pièces 1 et 2, telles que 11 et 21 d'une part, et 12 et 22 d'autre part, se guident mutuellement l'une sur l'autre de chaque côté de ces pièces.The stirrups formed by the parts 1 and 2 can be nested one inside the other as illustrated, so that the respective wings homologous parts 1 and 2, such as 11 and 21 on the one hand, and 12 and 22 d on the other hand, guide each other on each side of these rooms.

Dans cet agencement, les bases respectives 13 et 23 des pièces 1 et 2 sont disposées parallèlement l'une par rapport à l'autre, à une distance réglable par la vis 4.In this arrangement, the respective bases 13 and 23 of the parts 1 and 2 are arranged parallel to one another, at a distance adjustable by the screw 4.

Le dispositif de l'invention comprend par ailleurs, de façon classique, un pince-fil 5 permettant de maintenir un fil conducteur F que le dispositif de l'invention permet de mettre au même potentiel électrique que le conducteur C.The device of the invention furthermore comprises, in a conventional manner, a wire clamp 5 making it possible to maintain a conducting wire F that the device of the invention makes it possible to put at the same electrical potential as the conductor C.

Enfin, le dispositif de l'invention peut aussi comprendre un capot 6 en matériau plastique, recouvrant au moins partiellement la pièce 2 et lié à cette dernière par encliquetage.Finally, the device of the invention may also comprise a cover 6 of plastic material, at least partially covering the part 2 and connected to the latter by snapping.

Ce capot peut être percé d'un orifice supérieur 60 donnant accès, pour un tournevis, à la tête de la vis 4 mais présentant un diamètre inférieur à celui de cette tête de vis de manière à limiter le couple susceptible d'être appliqué à la vis 4 et à éviter ainsi les déformations du conducteur C.This cover can be pierced with an upper orifice 60 giving access, for a screwdriver, to the head of the screw 4 but having a smaller diameter than that of the screw head so as to limit the torque that can be applied to the screw 4 and to avoid the deformation of the conductor C.

Claims (9)

Dispositif de connexion électrique propre à se raccorder à un conducteur électrique (C) sans interruption physique de ce conducteur (C), ce dispositif comprenant au moins une première pièce (1) enserrant ou contribuant à enserrer le conducteur à la manière d'une pince, cette première pièce (1) prenant la forme d'un premier étrier présentant des première et deuxième ailes latérales (11, 12) s'étendant, dans des directions parallèles à une direction commune (Z), à partir d'une première base centrale (13) qui les relie en s'étendant dans une direction (T) transversale à cette direction commune (Z), les première et deuxième ailes (11, 12) définissant respectivement des premier et deuxième crochets (111, 121) dans chacun desquels le conducteur électrique (C) peut être inséré, et les premier et deuxième crochets (111, 121) présentant des ouvertures respectives (110, 120) orientées dans des directions opposées, caractérisé en ce qu'il comprend un organe élastique de maintien (3) lié à la première base (13) et disposé entre les deux crochets (111, 121), en ce que cet organe élastique de maintien comporte une partie active (31) distante de la première base (13), et est conçu pour opposer une résistance élastique à toute force tendant à rapprocher cette partie active (31) de la première base (13), et en ce que cet organe élastique de maintien (3) comprend au moins une lamelle élastiquement flexible repliée en U, cette lamelle présentant une branche (32) solidaire ou constitutive de la première base (13), et une branche libre (31) formant ladite partie active.Electrical connection device adapted to connect to an electrical conductor (C) without physical interruption of this conductor (C), this device comprising at least a first part (1) enclosing or contributing to grip the conductor in the manner of a clamp , said first piece (1) taking the form of a first yoke having first and second lateral wings (11, 12) extending, in directions parallel to a common direction (Z), from a first base central (13) which connects them extending in a direction (T) transverse to this common direction (Z), the first and second wings (11, 12) respectively defining first and second hooks (111, 121) in each which the electrical conductor (C) can be inserted, and the first and second hooks (111, 121) having respective openings (110, 120) oriented in opposite directions, characterized in that it comprises a body maintaining elastic (3) linked to the first base (13) and arranged between the two hooks (111, 121), in that this elastic securing member comprises an active portion (31) remote from the first base (13), and is adapted to oppose an elastic resistance to any force tending to bring this active portion (31) closer to the first base (13), and in that said elastic holding member (3) comprises at least one elastically flexible, U-shaped lamella , this strip having a branch (32) integral or constituent of the first base (13), and a free branch (31) forming said active part. Dispositif suivant la revendication 1, caractérisé en ce que l'organe élastique de maintien (3) est métallique.Device according to claim 1, characterized in that the elastic holding member (3) is metallic. Dispositif suivant l'une quelconque des revendications précédentes, caractérisé en ce qu'il comprend en outre un organe de serrage (4) tel qu'une vis et une deuxième pièce (2) mobile par rapport à la première pièce (1), en ce que les première et deuxième pièces (1, 2) présentent une position relative réglable au moyen de l'organe de serrage (4), et sont propres à adopter une configuration dans laquelle les crochets (111, 121) de la première pièce (1) d'une part, et la deuxième pièce (2) d'autre part forment respectivement des premier et deuxième mors enserrant le conducteur (C).Device according to any one of the preceding claims, characterized in that it further comprises a clamping member (4) such as a screw and a second piece (2) movable relative to the first piece (1), in that the first and second parts (1, 2) have an adjustable relative position by means of the clamping member (4) and are adapted to adopt a configuration in which the hooks (111, 121) of the first part ( 1) on the one hand, and the second piece (2) on the other hand respectively form first and second jaws enclosing the conductor (C). Dispositif suivant la revendication 3, caractérisé en ce que la deuxième pièce (2) prend la forme d'un deuxième étrier présentant lui aussi deux ailes latérales (21, 22) sensiblement parallèles reliées par une deuxième base centrale (23), les bords libres (211, 221) des ailes (21, 22) de cette deuxième pièce (2) formant le deuxième mors, en ce que l'un des premier et deuxième étriers (1, 2) est disposé dans l'autre, les ailes homologues respectives (11, 21: 12, 22) des deux étriers (1, 2) se guidant mutuellement l'une sur l'autre, et en ce que les première et deuxième bases centrales (13, 23) sont disposées parallèlement l'une par rapport à l'autre à une distance réglable par l'organe de serrage (4).Device according to claim 3, characterized in that the second piece (2) takes the form of a second yoke also having two substantially parallel lateral wings (21, 22) connected by a second central base (23), the free edges (211, 221) wings (21, 22) of this second piece (2) forming the second jaw, in that one of the first and second stirrups (1, 2) is arranged in the other, the wings homologous respective ones (11, 21: 12, 22) of the two stirrups (1, 2) mutually guiding each other, and in that the first and second central bases (13, 23) are arranged parallel to one another. relative to each other at a distance adjustable by the clamping member (4). Dispositif suivant l'une quelconque des revendications précédentes, caractérisé en ce que les premier et deuxième crochets (111, 121) sont respectivement réalisés par découpe des première et deuxième ailes (11, 12) de la première pièce (1).Device according to any one of the preceding claims, characterized in that the first and second hooks (111, 121) are respectively formed by cutting the first and second flanges (11, 12) of the first piece (1). Dispositif suivant la revendication 5, caractérisé en ce que le deuxième crochet (121) est symétrique du premier crochet (111) par rapport à un axe médian (Z) sensiblement perpendiculaire à la première base centrale (13).Device according to Claim 5, characterized in that the second hook (121) is symmetrical with the first hook (111) with respect to a central axis (Z) substantially perpendicular to the first central base (13). Dispositif suivant l'une quelconque des revendications précédentes, caractérisé en ce que les premier et deuxième crochets (111, 121) présentent des échancrures correspondantes (112, 122), et en ce que chacune de ces échancrures (112, 122) définit, sur le crochet correspondant (111, 121), deux épaules (112a, 112b; 122a, 122b) par lesquelles ce crochet porte sur le conducteur (C).Device according to any one of the preceding claims, characterized in that the first and second hooks (111, 121) have corresponding indentations (112, 122), and in that each of these indentations (112, 122) defines, on the corresponding hook (111, 121), two shoulders (112a, 112b; 122a, 122b) through which this hook bears on the conductor (C). Procédé d'utilisation d'un dispositif suivant l'une quelconque des revendications précédentes, caractérisé en ce qu'il comprend au moins une opération consistant à introduire le conducteur (C) entre les deux crochets (111, 121) de ce dispositif, et à appliquer un quart de tour à ce dispositif pour introduire simultanément le conducteur (C) dans les ouvertures respectives (110, 120) des deux crochets (111, 121).A method of using a device according to any one of the preceding claims, characterized in that it comprises at least one operation of introducing the conductor (C) between the two hooks (111, 121) of this device, and to apply a quarter turn to this device to simultaneously introduce the conductor (C) in the respective openings (110, 120) of the two hooks (111, 121). Application d'un dispositif suivant l'une quelconque des revendications 1 à 7, dans laquelle le conducteur (C) est constitué par un élément allongé rigide, tel qu'un tuyau de circulation d'eau.Application of a device according to any one of claims 1 to 7, wherein the conductor (C) is constituted by a rigid elongated element, such as a water circulation pipe.
EP08290722A 2007-09-10 2008-07-24 Electrical connection device, application and method of use Active EP2034559B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0706333A FR2920919B1 (en) 2007-09-10 2007-09-10 ELECTRICAL CONNECTION DEVICE, APPLICATION, AND METHOD OF USE

Publications (2)

Publication Number Publication Date
EP2034559A1 true EP2034559A1 (en) 2009-03-11
EP2034559B1 EP2034559B1 (en) 2010-03-24

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Application Number Title Priority Date Filing Date
EP08290722A Active EP2034559B1 (en) 2007-09-10 2008-07-24 Electrical connection device, application and method of use

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EP (1) EP2034559B1 (en)
AT (1) ATE462208T1 (en)
DE (1) DE602008000864D1 (en)
FR (1) FR2920919B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITMI20120216A1 (en) * 2012-02-15 2013-08-16 Morsettitalia Spa LOCKING CONDUCTOR ELEMENT FOR THE DETERMINATION AND CONDUCTIVE CONNECTION OF ELECTRIC WIRES

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1546839A (en) 1923-04-02 1925-07-21 Klingel Edward Louis Ground clamp
US3892455A (en) * 1974-03-26 1975-07-01 Thomas & Betts Corp Ground clamp connector
US5593327A (en) * 1995-08-04 1997-01-14 Maclean-Fogg Company Cable connector
EP0944131A2 (en) * 1998-03-20 1999-09-22 Weidmüller Interface GmbH & Co. Connecting member for an electrical conductor in particular for an insulated conductor

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1546839A (en) 1923-04-02 1925-07-21 Klingel Edward Louis Ground clamp
US3892455A (en) * 1974-03-26 1975-07-01 Thomas & Betts Corp Ground clamp connector
US5593327A (en) * 1995-08-04 1997-01-14 Maclean-Fogg Company Cable connector
EP0944131A2 (en) * 1998-03-20 1999-09-22 Weidmüller Interface GmbH & Co. Connecting member for an electrical conductor in particular for an insulated conductor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITMI20120216A1 (en) * 2012-02-15 2013-08-16 Morsettitalia Spa LOCKING CONDUCTOR ELEMENT FOR THE DETERMINATION AND CONDUCTIVE CONNECTION OF ELECTRIC WIRES
EP2629371A1 (en) 2012-02-15 2013-08-21 Morsettitalia S.p.A. Conductive gripping element for retaining and conductively connecting electric wires

Also Published As

Publication number Publication date
ATE462208T1 (en) 2010-04-15
EP2034559B1 (en) 2010-03-24
FR2920919B1 (en) 2009-12-04
FR2920919A1 (en) 2009-03-13
DE602008000864D1 (en) 2010-05-06

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