EP2190072A1 - Rear joint for an electrical component - Google Patents

Rear joint for an electrical component Download PDF

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Publication number
EP2190072A1
EP2190072A1 EP09176312A EP09176312A EP2190072A1 EP 2190072 A1 EP2190072 A1 EP 2190072A1 EP 09176312 A EP09176312 A EP 09176312A EP 09176312 A EP09176312 A EP 09176312A EP 2190072 A1 EP2190072 A1 EP 2190072A1
Authority
EP
European Patent Office
Prior art keywords
arms
pair
pivot axis
head
electrical component
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
EP09176312A
Other languages
German (de)
French (fr)
Other versions
EP2190072B1 (en
Inventor
Jean-Paul Didier Gimenes
Laurent O. Lagrange
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.)
Amphenol Socapex SA
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Amphenol Socapex 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 EP2190072A1 publication Critical patent/EP2190072A1/en
Application granted granted Critical
Publication of EP2190072B1 publication Critical patent/EP2190072B1/en
Active 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
    • H01R13/58—Means for relieving strain on wire connection, e.g. cord grip, for avoiding loosening of connections between wires and terminals within a coupling device terminating a cable
    • H01R13/5804—Means for relieving strain on wire connection, e.g. cord grip, for avoiding loosening of connections between wires and terminals within a coupling device terminating a cable comprising a separate cable clamping part
    • H01R13/5812—Means for relieving strain on wire connection, e.g. cord grip, for avoiding loosening of connections between wires and terminals within a coupling device terminating a cable comprising a separate cable clamping part the cable clamping being achieved by mounting the separate part on the housing of the coupling device
    • 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
    • H01R13/58—Means for relieving strain on wire connection, e.g. cord grip, for avoiding loosening of connections between wires and terminals within a coupling device terminating a cable
    • H01R13/5841—Means for relieving strain on wire connection, e.g. cord grip, for avoiding loosening of connections between wires and terminals within a coupling device terminating a cable allowing different orientations of the cable with respect to the coupling direction
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R35/00—Flexible or turnable line connectors, i.e. the rotation angle being limited
    • H01R35/04—Turnable line connectors with limited rotation angle with frictional contact members
    • 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
    • H01R13/56—Means for preventing chafing or fracture of flexible leads at outlet from coupling part
    • H01R13/567—Traverse cable outlet or wire connection

Definitions

  • the present invention relates to a rear connection for electrical component.
  • a rear connector is a mechanical device that is intended to be attached to the rear end of an electrical component and in particular but not exclusively an electrical connector.
  • the function of the rear connection is either to ensure a mechanical connection between the cable connected to the electrical component or, more often, to the electrical connector and the body of this electrical component, or to enable the electric cable to be provided, especially when the It has a certain rigidity, a well-defined orientation and variable with respect to the axis of the electrical component including the electrical connector.
  • the invention relates to the second type of rear connection which further allows to give the electrical cable associated with the electrical component a predetermined adjustable orientation relative to the axis of the electrical component.
  • the rear connector described in this document consists essentially of two parts.
  • the first part which is intended to be mechanically connected to the electrical component is extended by two parallel plates on which are pivotally mounted two equally parallel arms whose second ends are made integral with the cable connected to the electrical component.
  • various mechanical means are proposed. In all cases, these mechanical means require that the user who must perform the adjustment of the direction of the cable with the axis of the electronic component must proceed at least to unscrewing operations and screwing.
  • An object of the present invention is to provide a rear connection for an electrical component in which the adjustment of the direction of the cable associated with the electrical component relative to the axis thereof is made simpler, thus allowing a single operator to proceed with the whole operation.
  • the rear connection is characterized in that the means forming a pivot axis and the means for causing a temporary deformation of a pair of arms are merged.
  • the rear connection is characterized in that the means forming a pivot axis and the means for causing the deformation of the arms comprise two pushers, each push member comprising a cylindrical body connected to a cylindrical head, said head being disposed between the facing faces of the ends of an arm of said pairs, said body freely passing through the end of the arm of the first pair of arms by a circular orifice centered on said pivot axis and having a portion external to said end for exert a thrust on said end, said head penetrating into a blind hole formed in the end of the arm of the second pair of arms, said blind hole being centered on said pivot axis.
  • the rear connection which bears the general reference 10 essentially consists of a first piece 12, a second piece 14 and means 16 forming a hinge axis between the two pieces and simultaneously allowing the relative orientation of the two pieces 12 and 14.
  • the first part 12 comprises a sleeve 18, one end 18a of which serves for connection with an electrical component not shown in the figure and whose second end 18b is provided with two parallel arms 20 and 22 which extend in the direction XX 'of the As is understood, this axis XX 'is also the axis of the electrical component with which the rear connection 10 is associated.
  • the arms 20 and 22 comprise free ends 20a and 22a which are each provided with a cylindrical orifice 24 and 26 disposed along the axis ZZ 'of pivoting between the parts 12 and 14.
  • the ends 20a and 22a of the arms 20 and 22 are provided with reliefs 28 which are radiating or radial with respect to the axis ZZ '.
  • the reliefs 28 constitute part of the means for determining the relative angulation of the parts 12 and 14.
  • the second piece 14 has a similar structure and is constituted by a cylindrical sleeve 30 whose end 30a is equipped with two arms 32 and 34 which are parallel to each other and also parallel to the axis YY 30 of the sleeve 30.
  • the arms 32 and 34 have ends 32a and 34a.
  • the outer faces 32b and 34b of the ends 32a and 34a are provided with blind holes 40 whose common axis coincides with the axis ZZ 'when the parts 12 and 14 are assembled together.
  • the pivot axis of the two parts 12 and 14 referenced ZZ ' is of course orthogonal to the longitudinal axes XX' and YY 'respectively of the parts 12 and 14.
  • the outer faces 32b and 34b of the ends of the arms 32 and 34 are also provided with reliefs 38 which are radiating relative to the axis ZZ 'of the blind holes 40. These reliefs 38 are intended to cooperate with the reliefs 28 of the arms 22 and 24 to define different angular positions of the part 12 relative to the part 14 around the pivot axis ZZ '.
  • These means 16 consist of two pushers 44 and 46 of generally cylindrical shape.
  • Each pusher 44, 46 comprises a body 44a, 46a and a head 44b and 46b.
  • the body of each pusher has a outer diameter which is slightly smaller than the diameter of the orifices 24 and 26 formed at the ends of the arms 20 and 22.
  • the heads 46b and 44b of the pushers 44 and 46 have a diameter greater than that of their respective bodies 44a and 46a and slightly less than the diameter of the blind holes 42 made in the ends of the arms 32 and 34.
  • the arms 32 and 34 are made of a material such as and have dimensions such that they can be temporarily bent deformed by mutually approximating their ends 32a and 34a. It is understood that since the pushers 44 and 46 are engaged both in the orifices 24 and 26 of the arms 20 and 22 and in the blind holes 42 of the arms 32 and 34, they define a pivotal geometric axis ZZ '.
  • the user can cause flexion of the arms 32 and 34 by bringing their ends together, which allows the relief 38 to exit reliefs 28 made in the ends of the arms 20 and 22.
  • this can cause the free rotation of the workpiece 14 relative to the workpiece 12 about the axis ZZ 'until these parts occupy a relative position associated with the desired angle.
  • the pressure exerted on the pushers 44 and 46 is interrupted and the reliefs 28 and 42 come into engagement in the desired angular position.
  • a not shown electrical cable is disposed inside the sleeves 18 and 30 of the parts 12 and 14 of the rear connector 10.
  • the end of the cable mounted in the part 12 is intended to be connected. to the electrical component mounted on the end 18a of the sleeve 18.
  • the sleeve 30 of the part 14 serves for guiding the direction of the cable, which direction is imposed by the relative angular position of the parts 12 and 14.
  • the general structure of the rear coupling according to the invention is very simple since it only requires two pairs parallel arms between the ends of which are inserted two pushers operable from the outside to allow the pivoting of the part 14 relative to the part 12.
  • the use is also very simple since it is sufficient for the user to exercise a pressure on the ends 44c and 46c of the pushers to angularly release the parts 12 and 14 and thus give the cable, at the output of the electrical component on which it is connected, the desired orientation.
  • the sleeve 30 has a second end 30b which is extended by two arms 60 and 62 which are parallel to each other and parallel to the axis YY 'of the part 14'.
  • the ends 60a and 62a of these arms are intended to receive the ends of two clamps 64 and 66 for mechanically clamping the cable between the arms 60 and 62. This provides a better mechanical connection between the cable and the part 14 ' and therefore a better mechanical connection between the body of the electrical component connected to the part 12 and the electric cable itself.
  • the reliefs formed on the ends of the two pairs of arms are radiating and constitute the equivalent of a clutch system with different angular orientations. It goes without saying that the means for defining the different angular positions that can occupy the parts 12, 14 or 12 and 14 'could be of different nature since when the arms 32 and 34 are at rest, the reliefs cooperate with each other and that when one exerts with the pushers 44 and 46 a pressure on the ends of these arms, the deformation thereof allows the disengagement of the reliefs provided on the ends of the pairs of arms.

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Installation Of Indoor Wiring (AREA)
  • Pivots And Pivotal Connections (AREA)
  • Clamps And Clips (AREA)

Abstract

The coupling (10) has a hinged part with a cylindrical sleeve for passing a cable, and a cylindrical sleeve (30) having an end (30a) for coupling an electrical component. Two pairs of arms (32, 34) are fixed parallel to each other, where free ends of each pair of the arms face each other. Faces of the ends are provided with relative angular positions. The arms having ends disposed between the ends of the other arms are elastically deformable. A cause unit temporarily causes the deformable arms to deform to enable the part to pass from one angular position to another angular position.

Description

La présente invention a pour objet un raccord arrière pour composant électrique.The present invention relates to a rear connection for electrical component.

Un raccord arrière est un dispositif mécanique qui est destiné à être fixé à l'extrémité arrière d'un composant électrique et notamment mais non exclusivement d'un connecteur électrique. La fonction du raccord arrière est soit d'assurer une liaison mécanique entre le câble relié au composant électrique ou le plus souvent au connecteur électrique et le corps même de ce composant électrique, soit de permettre en outre de donner au câble électrique, surtout lorsque celui-ci présente une certaine rigidité, une orientation bien déterminée et variable par rapport à l'axe du composant électrique notamment du connecteur électrique.A rear connector is a mechanical device that is intended to be attached to the rear end of an electrical component and in particular but not exclusively an electrical connector. The function of the rear connection is either to ensure a mechanical connection between the cable connected to the electrical component or, more often, to the electrical connector and the body of this electrical component, or to enable the electric cable to be provided, especially when the It has a certain rigidity, a well-defined orientation and variable with respect to the axis of the electrical component including the electrical connector.

L'invention concerne le deuxième type de raccord arrière qui permet en outre de donner au câble électrique associé au composant électrique une orientation réglable prédéterminée par rapport à l'axe du composant électrique.The invention relates to the second type of rear connection which further allows to give the electrical cable associated with the electrical component a predetermined adjustable orientation relative to the axis of the electrical component.

Le brevet US 6 419 519 décrit un tel raccord arrière permettant de donner une orientation prédéterminée réglable à un câble électrique relié à un connecteur électrique.The patent US 6,419,519 discloses such a rear connector for providing an adjustable predetermined orientation to an electrical cable connected to an electrical connector.

Le raccord arrière décrit dans ce document est constitué essentiellement par deux pièces. La première pièce qui est destinée à être raccordée mécaniquement au composant électrique se prolonge par deux plaques parallèles sur lesquelles sont montés à pivotement deux bras également parallèles dont les deuxièmes extrémités sont rendues solidaires du câble raccordé au composant électrique. On définit ainsi une possibilité de pivotement entre l'axe du composant électrique et le câble. Pour définir la direction du câble par rapport à l'axe du composant électrique, différents moyens mécaniques sont proposés. Dans tous les cas, ces moyens mécaniques nécessitent que l'utilisateur qui doit réaliser le réglage de la direction du câble avec l'axe du composant électronique doit procéder au moins à des opérations de dévissage et de revissage.The rear connector described in this document consists essentially of two parts. The first part which is intended to be mechanically connected to the electrical component is extended by two parallel plates on which are pivotally mounted two equally parallel arms whose second ends are made integral with the cable connected to the electrical component. This defines a possibility of pivoting between the axis of the electrical component and the cable. To define the direction of the cable relative to the axis of the electrical component, various mechanical means are proposed. In all cases, these mechanical means require that the user who must perform the adjustment of the direction of the cable with the axis of the electronic component must proceed at least to unscrewing operations and screwing.

On comprend que, compte tenu de la nature de ces opérations, il est impossible pour un seul opérateur à la fois de maintenir l'angle souhaité entre le composant électrique et le câble et de procéder à ces opérations, en particulier de revissage, pour définir de façon stable la direction du câble en sortie du composant électrique.It is understood that, given the nature of these operations, it is impossible for only one operator at a time to maintain the desired angle between the electrical component and the cable and to carry out these operations, in particular screwing, to define stably the direction of the cable at the output of the electrical component.

Un objet de la présente invention est de fournir un raccord arrière pour composant électrique dans lequel le réglage de la direction du câble associé au composant électrique par rapport à l'axe de celui-ci est rendu plus simple, permettant ainsi à un seul opérateur de procéder à l'ensemble de l'opération.An object of the present invention is to provide a rear connection for an electrical component in which the adjustment of the direction of the cable associated with the electrical component relative to the axis thereof is made simpler, thus allowing a single operator to proceed with the whole operation.

Pour atteindre ce but, selon l'invention, le raccord arrière pour relier un câble électrique à un composant électrique comprenant :

  • une première pièce articulée comprenant un manchon cylindrique apte à laisser passer le câble ayant une première extrémité de raccordement audit composant électrique et une deuxième extrémité, et une première paire de bras sensiblement parallèles entre eux s'étendant à partir de ladite deuxième extrémité du manchon, caractérisé en ce qu'il comporte une deuxième pièce comprenant des moyens de guidage dudit câble et une deuxième paire de bras solidaire desdits moyens de guidage, lesdits bras étant sensiblement parallèles entre eux, les extrémités libres des bras de la première paire étant en regard des extrémités des bras de la deuxième paire, une des paires d'extrémités étant disposée entre l'autre paire d'extrémités ;
  • et en ce que ledit raccord comprend en outre :
    • des moyens formant axe de pivotement d'une paire de bras par rapport à l'autre et coopérant avec les extrémités des paires de bras, les faces en regard desdites extrémités étant munies de reliefs pour définir plusieurs positions angulaires relatives des deux pièces, les bras dont les extrémités sont disposées entre les extrémités des autres bras étant élastiquement déformables ; et
    • des moyens pour provoquer temporairement une déformation des bras déformables pour permettre le passage d'une position angulaire à une autre position angulaire.
To achieve this object, according to the invention, the rear connection for connecting an electric cable to an electrical component comprising:
  • a first articulated part comprising a cylindrical sleeve capable of passing the cable having a first end of connection to said electrical component and a second end, and a first pair of arms substantially parallel to each other extending from said second end of the sleeve, characterized in that it comprises a second component comprising means for guiding said cable and a second pair of arms integral with said guiding means, said arms being substantially parallel to one another, the free ends of the arms of the first pair being opposite ends of the arms of the second pair, one of the pairs of ends being disposed between the other pair of ends;
  • and in that said connector further comprises:
    • means forming a pivot axis of one pair of arms relative to the other and cooperating with the ends of the pairs of arms, the opposite faces of said ends being provided with reliefs to define a plurality of relative angular positions of the two parts, the arms whose ends are arranged between the ends of the other arms being elastically deformable; and
    • means for temporarily causing a deformation of the deformable arms to allow the passage of an angular position to another angular position.

On comprend que l'utilisation de ce raccord arrière et donc la modification de l'angle entre les deux pièces est très simple puisqu'il suffit d'agir sur les moyens qui permettent la déformation temporaire d'une des paires de bras et ainsi le désaccouplement des reliefs servant à définir les positions angulaires prédéterminées.It is understood that the use of this rear connection and therefore the modification of the angle between the two parts is very simple since it suffices to act on the means that allow the temporary deformation of one of the pairs of arms and thus the uncoupling of the reliefs for defining the predetermined angular positions.

De préférence, le raccord arrière est caractérisé en ce que les moyens formant axe de pivotement et les moyens pour provoquer une déformation temporaire d'une paire de bras sont confondus.Preferably, the rear connection is characterized in that the means forming a pivot axis and the means for causing a temporary deformation of a pair of arms are merged.

Selon un mode préféré de mise en oeuvre, le raccord arrière est caractérisé en ce que les moyens formant axe de pivotement et les moyens pour provoquer la déformation des bras comprennent deux poussoirs, chaque poussoir comprenant un corps cylindrique raccordé à une tête cylindrique, ladite tête étant disposée entre les faces en regard des extrémités d'un bras desdites paires, ledit corps traversant librement l'extrémité du bras de la première paire de bras par un orifice circulaire centré sur ledit axe de pivotement et ayant une portion externe à ladite extrémité pour exercer une poussée sur ladite extrémité, ladite tête pénétrant dans un trou borgne ménagé dans l'extrémité du bras de la deuxième paire de bras, ledit trou borgne étant centré sur ledit axe de pivotement.According to a preferred embodiment, the rear connection is characterized in that the means forming a pivot axis and the means for causing the deformation of the arms comprise two pushers, each push member comprising a cylindrical body connected to a cylindrical head, said head being disposed between the facing faces of the ends of an arm of said pairs, said body freely passing through the end of the arm of the first pair of arms by a circular orifice centered on said pivot axis and having a portion external to said end for exert a thrust on said end, said head penetrating into a blind hole formed in the end of the arm of the second pair of arms, said blind hole being centered on said pivot axis.

On comprend qu'avec ce mode de réalisation, il suffit d'appuyer simultanément sur les portions externes des deux poussoirs pour déformer élastiquement les bras de la paire de bras interne et ainsi désaccoupler les reliefs ménagés sur les faces en regard des extrémités des paires de bras.It is understood that with this embodiment, it is sufficient to simultaneously press the outer portions of the two pushers to elastically deform the arms of the pair of inner arm and thus uncouple the reliefs formed on the facing faces of the ends of the pairs of arms.

D'autres caractéristiques et avantages de l'invention apparaîtront mieux à la lecture de la description qui suit de plusieurs modes de réalisation de l'invention donnés à titre d'exemples non limitatifs. La description se réfère aux figures annexées, sur lesquelles :

  • la figure 1 est une vue éclatée en perspective du raccord arrière ;
  • la figure 2 est une vue de face du raccord arrière monté dans une position permettant une angulation de 90 degrés entre l'axe du composant électrique et la direction du câble électrique ;
  • la figure 3 est une vue en coupe transversale selon le plan B-B de la figure 2 ; et
  • les figures 4A à 4C montrent les différentes orientations possibles du câble par rapport au composant électrique.
Other characteristics and advantages of the invention will appear better on reading the following description of several embodiments of the invention given as non-limiting examples. The description refers to the appended figures, in which:
  • the figure 1 is an exploded view in perspective of the rear connection;
  • the figure 2 is a front view of the rear fitting mounted in a position allowing a 90 degree angulation between the axis of the electrical component and the direction of the electrical cable;
  • the figure 3 is a cross-sectional view along the plane BB of the figure 2 ; and
  • the Figures 4A to 4C show the different possible orientations of the cable with respect to the electrical component.

En se référant tout d'abord aux figures 1 à 3, on va décrire un mode préféré de réalisation du raccord arrière selon l'invention.Referring first to Figures 1 to 3 a preferred embodiment of the rear coupling according to the invention will be described.

Le raccord arrière qui porte la référence générale 10 est essentiellement constitué par une première pièce 12, une deuxième pièce 14 et des moyens 16 formant un axe d'articulation entre les deux pièces et permettant simultanément l'orientation relative des deux pièces 12 et 14.The rear connection which bears the general reference 10 essentially consists of a first piece 12, a second piece 14 and means 16 forming a hinge axis between the two pieces and simultaneously allowing the relative orientation of the two pieces 12 and 14.

La première pièce 12 comprend un manchon 18 dont une extrémité 18a sert au raccordement avec un composant électrique non représenté sur la figure et dont la deuxième extrémité 18b est munie de deux bras parallèles 20 et 22 qui s'étendent selon la direction XX' de l'axe de la partie en forme de manchon 18. Comme on le comprend, cet axe XX' est également l'axe du composant électrique auquel est associé le raccord arrière 10. Les bras 20 et 22 comportent des extrémités libres 20a et 22a qui sont munies chacune d'un orifice cylindrique 24 et 26 disposé selon l'axe ZZ' de pivotement entre les pièces 12 et 14. Sur leur face interne 22b et 20b, les extrémités 20a et 22a des bras 20 et 22 sont munies de reliefs 28 qui sont rayonnants ou radiaux par rapport à l'axe ZZ'. Comme on l'expliquera ultérieurement, les reliefs 28 constituent une partie des moyens permettant de déterminer l'angulation relative des pièces 12 et 14.The first part 12 comprises a sleeve 18, one end 18a of which serves for connection with an electrical component not shown in the figure and whose second end 18b is provided with two parallel arms 20 and 22 which extend in the direction XX 'of the As is understood, this axis XX 'is also the axis of the electrical component with which the rear connection 10 is associated. The arms 20 and 22 comprise free ends 20a and 22a which are each provided with a cylindrical orifice 24 and 26 disposed along the axis ZZ 'of pivoting between the parts 12 and 14. On their internal face 22b and 20b, the ends 20a and 22a of the arms 20 and 22 are provided with reliefs 28 which are radiating or radial with respect to the axis ZZ '. As will be explained later, the reliefs 28 constitute part of the means for determining the relative angulation of the parts 12 and 14.

Si l'on considère maintenant la deuxième pièce 14, elle a une structure similaire et est constituée par un manchon cylindrique 30 dont l'extrémité 30a est équipée de deux bras 32 et 34 qui sont parallèles entre eux et également parallèles à l'axe YY' du manchon 30. Les bras 32 et 34 présentent des extrémités 32a et 34a. Les faces externes 32b et 34b des extrémités 32a et 34a sont munies de trous borgnes 40 dont l'axe commun est confondu avec l'axe ZZ' lorsque les pièces 12 et 14 sont assemblées entre elles. Il y a lieu de préciser que l'axe de pivotement des deux pièces 12 et 14 référencé ZZ' est bien sûr orthogonal aux axes longitudinaux XX' et YY' respectivement des pièces 12 et 14. Les faces externes 32b et 34b des extrémités des bras 32 et 34 sont également munies de reliefs 38 qui sont rayonnants par rapport à l'axe ZZ' des trous borgnes 40. Ces reliefs 38 sont destinés à coopérer avec les reliefs 28 des bras 22 et 24 pour définir différentes positions angulaires de la pièce 12 par rapport à la pièce 14 autour de l'axe de pivotement ZZ'.If we now consider the second piece 14, it has a similar structure and is constituted by a cylindrical sleeve 30 whose end 30a is equipped with two arms 32 and 34 which are parallel to each other and also parallel to the axis YY 30 of the sleeve 30. The arms 32 and 34 have ends 32a and 34a. The outer faces 32b and 34b of the ends 32a and 34a are provided with blind holes 40 whose common axis coincides with the axis ZZ 'when the parts 12 and 14 are assembled together. It should be noted that the pivot axis of the two parts 12 and 14 referenced ZZ 'is of course orthogonal to the longitudinal axes XX' and YY 'respectively of the parts 12 and 14. The outer faces 32b and 34b of the ends of the arms 32 and 34 are also provided with reliefs 38 which are radiating relative to the axis ZZ 'of the blind holes 40. These reliefs 38 are intended to cooperate with the reliefs 28 of the arms 22 and 24 to define different angular positions of the part 12 relative to the part 14 around the pivot axis ZZ '.

En se référant maintenant plus particulièrement à la figure 3, on va décrire comment on réalise l'axe de pivotement ZZ' entre les pièces 12 et 14 et comment on réalise les moyens qui permettent le passage d'une position angulaire des pièces 12 et 14 à une autre position angulaire.Referring now more specifically to the figure 3 , we will describe how the pivot axis ZZ 'is made between the parts 12 and 14 and how the means are made which allow the passage of an angular position of the parts 12 and 14 to another angular position.

Ces moyens 16 sont constitués par deux poussoirs 44 et 46 de forme générale cylindrique. Chaque poussoir 44, 46 comporte un corps 44a, 46a et une tête 44b et 46b. Le corps de chaque poussoir a un diamètre externe qui est légèrement inférieur au diamètre des orifices 24 et 26 ménagés aux extrémités des bras 20 et 22. Lors de l'assemblage des pièces, les extrémités 32a et 34a des bras 32 et 34 sont insérées entre les extrémités des bras 20 et 22 comme le montre mieux la figure 3. Les têtes 46b et 44b des poussoirs 44 et 46 ont un diamètre supérieur à celui de leur corps respectif 44a et 46a et légèrement inférieur au diamètre des trous borgnes 42 réalisés dans les extrémités des bras 32 et 34. Du fait du diamètre accru des têtes des poussoirs 44b et 46b, ces poussoirs sont emprisonnés entre les extrémités des bras 20, 22 et 32, 34 et les poussoirs eux-mêmes peuvent se déplacer en translation dans les orifices 24 et 26. Les bras 32 et 34 sont réalisés en un matériau tel et présentent des dimensions telles qu'ils puissent être déformés temporairement par flexion en rapprochant mutuellement leurs extrémités 32a et 34a. On comprend que, du fait que les poussoirs 44 et 46 sont engagés à la fois dans les orifices 24 et 26 des bras 20 et 22 et dans les trous borgnes 42 des bras 32 et 34, ils définissent un axe géométrique de pivotement ZZ'. En outre, en appuyant sur les extrémités externes 46c et 44c des poussoirs, l'utilisateur peut provoquer une flexion des bras 32 et 34 en rapprochant leurs extrémités, ce qui permet au relief 38 de sortir des reliefs 28 réalisés dans les extrémités des bras 20 et 22. Tant que l'utilisateur exerce une pression sur les extrémités 44c et 46c des poussoirs, celui-ci peut provoquer la rotation libre de la pièce 14 par rapport à la pièce 12 autour de l'axe ZZ' jusqu'à ce que ces pièces occupent une position relative associée à l'angle souhaité. Lorsque cette position est atteinte, la pression exercée sur les poussoirs 44 et 46 est interrompue et les reliefs 28 et 42 reviennent en prise dans la position angulaire souhaitée.These means 16 consist of two pushers 44 and 46 of generally cylindrical shape. Each pusher 44, 46 comprises a body 44a, 46a and a head 44b and 46b. The body of each pusher has a outer diameter which is slightly smaller than the diameter of the orifices 24 and 26 formed at the ends of the arms 20 and 22. During assembly of the parts, the ends 32a and 34a of the arms 32 and 34 are inserted between the ends of the arms 20 and 22 as best shown by the figure 3 . The heads 46b and 44b of the pushers 44 and 46 have a diameter greater than that of their respective bodies 44a and 46a and slightly less than the diameter of the blind holes 42 made in the ends of the arms 32 and 34. Due to the increased diameter of the heads of the pushers 44b and 46b, these pushers are trapped between the ends of the arms 20, 22 and 32, 34 and the pushers themselves can move in translation in the orifices 24 and 26. The arms 32 and 34 are made of a material such as and have dimensions such that they can be temporarily bent deformed by mutually approximating their ends 32a and 34a. It is understood that since the pushers 44 and 46 are engaged both in the orifices 24 and 26 of the arms 20 and 22 and in the blind holes 42 of the arms 32 and 34, they define a pivotal geometric axis ZZ '. In addition, by pressing on the outer ends 46c and 44c of the pushers, the user can cause flexion of the arms 32 and 34 by bringing their ends together, which allows the relief 38 to exit reliefs 28 made in the ends of the arms 20 and 22. As long as the user exerts pressure on the ends 44c and 46c of the pushers, this can cause the free rotation of the workpiece 14 relative to the workpiece 12 about the axis ZZ 'until these parts occupy a relative position associated with the desired angle. When this position is reached, the pressure exerted on the pushers 44 and 46 is interrupted and the reliefs 28 and 42 come into engagement in the desired angular position.

Ainsi qu'on l'a compris, un câble électrique non représenté est disposé à l'intérieur des manchons 18 et 30 des pièces 12 et 14 du raccord arrière 10. L'extrémité du câble monté dans la pièce 12 est destinée à être raccordée au composant électrique monté sur l'extrémité 18a du manchon 18. En revanche, le manchon 30 de la pièce 14 sert au guidage de la direction du câble, direction qui est imposée par la position angulaire relative des pièces 12 et 14.As has been understood, a not shown electrical cable is disposed inside the sleeves 18 and 30 of the parts 12 and 14 of the rear connector 10. The end of the cable mounted in the part 12 is intended to be connected. to the electrical component mounted on the end 18a of the sleeve 18. In contrast, the sleeve 30 of the part 14 serves for guiding the direction of the cable, which direction is imposed by the relative angular position of the parts 12 and 14.

On comprend que la structure générale du raccord arrière selon l'invention est très simple puisqu'elle ne nécessite en fait que deux paires de bras parallèles entre les extrémités desquelles sont insérés deux poussoirs actionnables depuis l'extérieur pour autoriser le pivotement de la pièce 14 par rapport à la pièce 12. L'utilisation est donc également très simple puisqu'il suffit à l'utilisateur d'exercer une pression sur les extrémités 44c et 46c des poussoirs pour libérer angulairement les pièces 12 et 14 et donner ainsi au câble, à la sortie du composant électrique sur lequel il est connecté, l'orientation souhaitée.It is understood that the general structure of the rear coupling according to the invention is very simple since it only requires two pairs parallel arms between the ends of which are inserted two pushers operable from the outside to allow the pivoting of the part 14 relative to the part 12. The use is also very simple since it is sufficient for the user to exercise a pressure on the ends 44c and 46c of the pushers to angularly release the parts 12 and 14 and thus give the cable, at the output of the electrical component on which it is connected, the desired orientation.

Sur les figures 4A à 4C, on a représenté une variante de réalisation du raccord arrière 10' dans trois positions angulaires possibles dans lesquelles respectivement les deux pièces 12 et 14' sont alignées (figure 4A), font entre elles un angle de 45 degrés (figure 4B), et un angle de 90 degrés (figure 4C). Dans cette variante de réalisation, la seule modification concerne la deuxième pièce 14 qui porte la référence 14'. Dans ce mode de réalisation, le manchon 30 a une deuxième extrémité 30b qui est prolongée par deux bras 60 et 62 qui sont parallèles entre eux et parallèles à l'axe YY' de la pièce 14'. Les extrémités 60a et 62a de ces bras sont destinées à recevoir les extrémités de deux colliers de serrage 64 et 66 destinés à serrer mécaniquement le câble entre les bras 60 et 62. On obtient ainsi une meilleure solidarisation mécanique entre le câble et la pièce 14' et donc une meilleure solidarisation mécanique entre le corps du composant électrique raccordé à la pièce 12 et le câble électrique lui-même.On the Figures 4A to 4C , there is shown an alternative embodiment of the rear connector 10 'in three possible angular positions in which respectively the two parts 12 and 14' are aligned ( Figure 4A ), make an angle of 45 degrees between them ( Figure 4B ), and an angle of 90 degrees ( figure 4C ). In this variant embodiment, the only modification concerns the second part 14 which bears the reference 14 '. In this embodiment, the sleeve 30 has a second end 30b which is extended by two arms 60 and 62 which are parallel to each other and parallel to the axis YY 'of the part 14'. The ends 60a and 62a of these arms are intended to receive the ends of two clamps 64 and 66 for mechanically clamping the cable between the arms 60 and 62. This provides a better mechanical connection between the cable and the part 14 ' and therefore a better mechanical connection between the body of the electrical component connected to the part 12 and the electric cable itself.

Dans la description précédente, les reliefs réalisés sur les extrémités des deux paires de bras sont rayonnants et constituent l'équivalent de système de crabot à différentes orientations angulaires. Il va de soi que les moyens pour définir les différentes positions angulaires que peuvent occuper les pièces 12, 14 ou 12 et 14' pourraient être de nature différente dès lors que lorsque les bras 32 et 34 sont au repos, les reliefs coopèrent entre eux et que lorsqu'on exerce à l'aide des poussoirs 44 et 46 une pression sur les extrémités de ces bras, la déformation de ceux-ci permette le désengagement des reliefs prévus sur les extrémités des paires de bras.In the foregoing description, the reliefs formed on the ends of the two pairs of arms are radiating and constitute the equivalent of a clutch system with different angular orientations. It goes without saying that the means for defining the different angular positions that can occupy the parts 12, 14 or 12 and 14 'could be of different nature since when the arms 32 and 34 are at rest, the reliefs cooperate with each other and that when one exerts with the pushers 44 and 46 a pressure on the ends of these arms, the deformation thereof allows the disengagement of the reliefs provided on the ends of the pairs of arms.

Claims (6)

Raccord arrière pour relier un câble électrique à un composant électrique comprenant : une première pièce (12) articulée comprenant un manchon cylindrique (18) apte à laisser passer le câble ayant une première extrémité (18a) de raccordement audit composant électrique et une deuxième extrémité (18b), et une première paire de bras (20, 22) sensiblement parallèles entre eux s'étendant à partir de ladite deuxième extrémité du manchon, caractérisé en ce qu'il comporte une deuxième pièce (14, 14') comprenant des moyens de guidage (30, 64, 66) dudit câble et une deuxième paire de bras (32, 34) solidaire desdits moyens de guidage, lesdits bras étant sensiblement parallèles entre eux, les extrémités libres (22a, 20a) des bras de la première paire étant en regard des extrémités (32a, 34a) des bras de la deuxième paire, une des paires d'extrémités étant disposée entre l'autre paire d'extrémités ; et en ce que ledit raccord comprend en outre : - des moyens (44, 46) formant axe de pivotement (ZZ') d'une paire de bras (20, 22) par rapport à l'autre (32, 34) et coopérant avec les extrémités des paires de bras, les faces en regard (20b, 22b, 32b, 34b) desdites extrémités étant munies de reliefs (28, 38) pour définir plusieurs positions angulaires relatives des deux pièces (12, 14, 14'), les bras (32, 34) dont les extrémités sont disposées entre les extrémités des autres bras étant élastiquement déformables ; et - des moyens (44, 46) pour provoquer temporairement une déformation des bras déformables (32, 34) pour permettre le passage d'une position angulaire à une autre position angulaire. A back connector for connecting an electrical cable to an electrical component comprising: a first articulated piece (12) comprising a cylindrical sleeve (18) able to pass the cable having a first end (18a) of connection to said electrical component and a second end (18b), and a first pair of arms (20, 22). ) substantially parallel to each other extending from said second end of the sleeve, characterized in that it comprises a second part (14, 14 ') comprising means for guiding (30, 64, 66) said cable and a second pair of arms (32, 34) secured to said guide means, said arms being substantially parallel to each other, the free ends (22a, 20a) of the arms of the first pair being opposite ends (32a, 34a) of the arms of the second pair, one of the pairs of ends being disposed between the other pair of ends; and in that said connector further comprises: - means (44, 46) forming a pivot axis (ZZ ') of a pair of arms (20, 22) relative to each other (32, 34) and cooperating with the ends of the pairs of arms, the faces facing (20b, 22b, 32b, 34b) said ends being provided with reliefs (28, 38) to define several relative angular positions of the two parts (12, 14, 14 '), the arms (32, 34) whose ends are disposed between the ends of the other arms being elastically deformable; and means (44, 46) for temporarily causing a deformation of the deformable arms (32, 34) to allow the passage of an angular position to another angular position. Raccord arrière selon la revendication 1, caractérisé en ce que les moyens (44, 46) formant axe de pivotement et les moyens (44, 46) pour provoquer une déformation temporaire d'une paire de bras sont confondus.Rear connection according to claim 1, characterized in that the means (44, 46) forming a pivot axis and the means (44, 46) for causing a temporary deformation of a pair of arms are merged. Raccord arrière selon l'une quelconque des revendications 1 et 2, caractérisé en ce que les extrémités (32a, 34a) de ladite deuxième paire de bras (32, 34) sont disposées entre les extrémités (20a, 22a) de ladite première paire de bras (20, 22).Rear connection according to any one of claims 1 and 2, characterized in that the ends (32a, 34a) of said second pair of arms (32, 34) are arranged between the ends (20a, 22a) of said first pair of arm (20, 22). Raccord arrière selon la revendication 3, caractérisé en ce que les moyens formant axe de pivotement et les moyens pour provoquer la déformation des bras comprennent deux poussoirs (44, 46), chaque poussoir comprenant un corps cylindrique (44a, 46a) raccordé à une tête cylindrique (44b, 46b), ladite tête étant disposée entre les faces en regard (20b, 22b, 32b, 34b) des extrémités d'un bras desdites paires, ledit corps (44a, 46a) traversant librement l'extrémité du bras de la première paire de bras par un orifice circulaire (24, 26) centré sur ledit axe de pivotement et ayant une portion externe (44c, 46c) à ladite extrémité pour exercer une poussée sur ladite extrémité, ladite tête pénétrant dans un trou borgne (40) ménagé dans l'extrémité du bras de la deuxième paire de bras, ledit trou borgne étant centré sur ledit axe de pivotement (Z,Z').Rear connection according to claim 3, characterized in that the means forming a pivot axis and the means for causing the deformation of the arms comprise two pushers (44, 46), each push-button comprising a cylindrical body (44a, 46a) connected to a head cylindrical (44b, 46b), said head being disposed between the facing faces (20b, 22b, 32b, 34b) of the ends of an arm of said pairs, said body (44a, 46a) freely traversing the end of the arm of the first pair of arms by a circular orifice (24, 26) centered on said pivot axis and having an outer portion (44c, 46c) at said end for exerting a thrust on said end, said head penetrating a blind hole (40) formed in the end of the arm of the second pair of arms, said blind hole being centered on said pivot axis (Z, Z '). Raccord arrière selon la revendication 4, caractérisé en ce que ladite tête (44b, 46b) de chaque poussoir (44, 46) a un diamètre supérieur à celui du corps (44a, 46a), ledit orifice circulaire (24, 26) ayant un diamètre légèrement supérieur à celui dudit corps et le trou borgne (42) ayant un diamètre légèrement supérieur à celui de ladite tête, par quoi ladite tête est maintenue entre les extrémités desdits bras.Rear connection according to claim 4, characterized in that said head (44b, 46b) of each pusher (44, 46) has a diameter greater than that of the body (44a, 46a), said circular orifice (24, 26) having a diameter slightly greater than that of said body and the blind hole (42) having a diameter slightly greater than that of said head, whereby said head is held between the ends of said arms. Raccord arrière selon l'une quelconque des revendications 1 à 5, caractérisé en ce que lesdits reliefs (28, 42) s'étendent radialement par rapport audit axe de pivotement (Z,Z').Rear connection according to any one of claims 1 to 5, characterized in that said reliefs (28, 42) extend radially with respect to said pivot axis (Z, Z ').
EP09176312.8A 2008-11-20 2009-11-18 Rear joint for an electrical component Active EP2190072B1 (en)

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EP2190072B1 (en) 2014-05-07
US20100124837A1 (en) 2010-05-20
FR2938707B1 (en) 2013-01-25
IL202239A (en) 2012-12-31
IL202239A0 (en) 2010-06-16
ES2486315T3 (en) 2014-08-18
US7862369B2 (en) 2011-01-04
FR2938707A1 (en) 2010-05-21

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