EP1641079B1 - Device with a connecting block - Google Patents

Device with a connecting block Download PDF

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Publication number
EP1641079B1
EP1641079B1 EP05291990A EP05291990A EP1641079B1 EP 1641079 B1 EP1641079 B1 EP 1641079B1 EP 05291990 A EP05291990 A EP 05291990A EP 05291990 A EP05291990 A EP 05291990A EP 1641079 B1 EP1641079 B1 EP 1641079B1
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EP
European Patent Office
Prior art keywords
thrust member
pusher
face
rest
rest position
Prior art date
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Application number
EP05291990A
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German (de)
French (fr)
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EP1641079A1 (en
Inventor
Jean-Pierre Lipari
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
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Publication date
Application filed by Legrand SNC, Legrand France SA filed Critical Legrand SNC
Priority to PL05291990T priority Critical patent/PL1641079T3/en
Publication of EP1641079A1 publication Critical patent/EP1641079A1/en
Application granted granted Critical
Publication of EP1641079B1 publication Critical patent/EP1641079B1/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
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/4828—Spring-activating arrangements mounted on or integrally formed with the spring housing
    • H01R4/48365—Spring-activating arrangements mounted on or integrally formed with the spring housing with integral release means

Definitions

  • the invention generally relates to electrical devices, such as a circuit breaker or a switch, which comprise a conductive cable connection block.
  • connection block having two cable introduction ports and two elastic strips each located opposite one of the orifices.
  • Each strip is intended to hold a cable against a contact portion of a conductive element connected to the rest of the device.
  • Each pusher comprises an arm having at one end, a first side, a control key and, a second side opposite the first side, a finger resting against one of the slats.
  • Each control key has a rectangular imprint intended to receive, in the rest position, a tool for setting in depression position of the pusher to which it belongs.
  • the pressing of the pushers is done independently for each of the pushers.
  • the invention aims to provide an apparatus of this type but offering a possibility of simultaneous actuation of the pushers while being particularly simple and convenient to manufacture and use.
  • connection block 1 of conductive cables of the apparatus 2 comprises two substantially parallelepipedal adjacent bodies 3.
  • the apparatus 2 is a circuit breaker of which only the connection block is described here.
  • a body 3 is described.
  • the body 3, made of plastic material, has two insertion orifices 6, 7 for conducting cables.
  • On the body 3, above each orifice 6, 7 is mounted a pusher 4, 5.
  • Each pusher ( Fig. 3, 4 ), also made of plastic, comprises an arm 10 having at one end 11 on one side a control key 12 and on the other side a finger 13.
  • the key 12 extends over the arm 10.
  • the key 12, substantially parallelepipedic, has an upper face, parallel and away from the face of the arm 10 from which the key 12 extends.
  • the key 12 of the pusher 4 has an L-shaped groove 14 opening on the upper face.
  • the key 12 of the pusher 5 has a groove J 14 opening on the upper face.
  • the large branch of the groove L, respectively of the groove J, extends longitudinally, the small branch extends transversely.
  • the groove 14, and more precisely the end of the small branch opposite the junction with the large branch, opens on a first side face of the key 12.
  • the edges of the groove 14 are rounded.
  • the first lateral face of the key 12 is located in the same plane as a lateral face 15 of the pusher 4, 5.
  • the pusher 4, 5 has a second lateral face 16 opposite to the first lateral face 15. And, when the pushers 4, 5 are placed in the block, the two lateral faces 15 are in contact with one another.
  • the bottom of the groove 14 is inclined, the deepest edge of the small branch being located towards the end 11 and that of the major branch towards the lateral face 16.
  • the two grooves 14 communicate and jointly form a U-shaped recess 17.
  • the transverse branch of the U-shaped recess 17 is formed by the two small branches of the grooves 14 in L and J and is located towards the end 11.
  • the three branches of the cavity 17 are substantially of the same dimensions.
  • the end of the key 12, on the side of the end 11 of the arm 10, is overflowing with respect to the arm 10.
  • the transverse edge of the key 12 is rounded.
  • the finger 13 On the other side of the arm 10 extends the finger 13.
  • the finger 13 has a front face 20 and a rear face 21 respectively slightly convex and concave connected by portions of the lateral faces 15, 16.
  • the front face 20 comprises a recess 21 ( Fig. 5 ) which extends from the free end 18 to the level of the arm 10. However, this recess 21 does not extend over the entire width of the finger 13 and leaves a recess 22 extend along the portion face 16 of the finger 13.
  • the pushers 4, 5 also have a triangular recess which opens onto the lateral face 15.
  • the ends 19 of the pushers 4, 5 comprise means for mounting the pushers 4, 5 to each other and to the body 3. These mounting means allow the rotation of the pushers independently of one another relative 3.
  • the pushers 4, 5 are movable between a rest position and a depressing position.
  • the end 19 of the arm 10 of the pusher 4 is in the form of a hollow cylinder 23 opening on the lateral face 15 and having a bottom on the side of the side face 16.
  • the end 19 of the arm 10 of the pusher 5 has on the face 15 a solid cylinder 24 adapted to enter into the hollow of the cylinder 23 and on the face 16 a solid cylinder 25 of the same diameter as the outer diameter of the cylinder 23.
  • the end 19 of the faces 16 has a recess around the cylinders 23, 25.
  • the body 3 comprises cylindrical orifices (not shown) to accommodate the cylinders 23, 25.
  • the insertion orifices 6, 7 are located near the location of the fingers 13 of the pushers 4, 5. They open on a face of the body 3 and their section decreases with the distance of this face. The two orifices 6, 7 are adjacent. The edge of the orifices 6, 7 on the face of the body 3 is rounded to facilitate insertion of the cables.
  • the body further comprises for each push rods 4, 5 stops 26, 27 end of travel of the pusher.
  • the stop 26 is located above an orifice 6, 7, the end protruding from the key 12 abutting therein when the pusher is placed in the depression position.
  • the abutment 27 is located above on another face of the body 3, the portion of the pusher 4, 5 corresponding to the junction between the arm 10 and the key 12 (the side of the end 19) abutting there when the pusher is placed in rest position.
  • Each strip 30 is a strip of conductive material.
  • Each strip 30 is U-shaped with a first branch 31 having a short shoulder 32 at its free end.
  • Each strip 30 is fixed to the body 3 so that the second branch 33 is flexible and can be approached to the first branch 31 under the pressure of a finger 13 or a cable.
  • the branch 33 has an end edge 34 and has a width narrowing towards its edge 34.
  • the body 3 further comprises conductive elements 35, 36 on either side of the lamella 30.
  • a first element 35 is in contact with the shoulder 32 of the lamella 30.
  • a second element 36 has a face facing the plate 30 forming a seat for a conductive cable.
  • a pressing pressure is applied to the key 12 of the pusher 4, 5 which leaves its rest position and performs a rotation .
  • the free end 18 of the finger 13 then bears on the limb 33 of the lamella 30 ( Fig. 2 , 9 ).
  • the branch 33 approaches the branch 31 opening a passage for the cable 40. It pushes the cable 40 and then releases the pressure on the key 12.
  • the branch 33 deviates slightly from the branch 31 and the edge 34 comes abut against the cable 40.
  • the pusher 4, 5 remains depressed.
  • a tool 50 which comprises a flat blade 51.
  • the blade 51 has at its end a rectangular section of dimensions slightly smaller than those of the three branches of the cavity 17.
  • the blade 51 of the tool 50 is placed in the large branch of the groove 14 in L.
  • the blade 51 is placed in the large branch of the groove 14 in J.
  • the pusher 4, 5 further comprises a rod 60 intended to allow a return of the pusher in the rest position ( Figs. 5 , 10, 11, 12 ).
  • the pusher 4, 5 has on the end 19 of the arm 10 a rod 60 which extends transversely with respect to the arm 10 and the side opposite to that of which the finger 13 extends.
  • This rod 60 ends, at its free end opposite the arm 10, by a cylindrical knob 61.
  • the knob 61 In the body 3, in the rest position of the pusher ( Fig. 10 ), the knob 61 is in abutment against an inner face of the body 3. The rod 60 is itself in a rest position.
  • the two bodies 3 are similar. They are offset relative to each other so that the introduction ports of the body 3 are not aligned.
  • the block comprises a different number of bodies or the mounting means of the pushers to one another and to the body comprise notches and teeth for creating rotational bearings in the rotary stroke pushers.
  • the body comprises two lamellae in adjacent sigma.
  • Each lamella has a branch having a window through which extends a conductive element.
  • the conductive element In the rest position of the pusher, the conductive element is in contact with an edge of the window. In the driving position, this edge is spaced from the conductive element and a cable is inserted or extracted from this edge and the conductive element.
  • each pusher is provided with a key having a groove respectively L and J so, when the keys are each in the rest position, said two grooves form a U-shaped footprint.
  • each groove is T-shaped, one of which is arranged symmetrically (mirror image) of the other so that the imprint extending over the two keys is H-shaped whose central branch is extends transversely.
  • each groove has a small bar extending on the other side of the large bar so that each groove has a T shape whose horizontal bar is located towards the end 11 of the arm.
  • the electrical apparatus is a switch or a terminal block connection.

Abstract

The apparatus has pushers (4, 5) with arms including control pads (12). The pads have grooves presenting L and J shaped portions such that the grooves form a U shaped cavity (17) when the pads are in rest position. Parallel branches of the cavity receive a tool (50) for setting respective pushers, in depression position. A transversal branch of the cavity receives the tool for setting the two pushers in depression position.

Description

L'invention concerne d'une manière générale les appareils électriques, tels qu'un disjoncteur ou un interrupteur, qui comportent un bloc de raccordement de câbles conducteurs.The invention generally relates to electrical devices, such as a circuit breaker or a switch, which comprise a conductive cable connection block.

On sait qu'il existe de tels appareils munis d'un bloc de raccordement comportant deux orifices d'introduction des câbles et deux lamelles élastiques chacune située en regard de l'un des orifices.It is known that there are such devices provided with a connection block having two cable introduction ports and two elastic strips each located opposite one of the orifices.

Chaque lamelle est destinée à maintenir un câble contre une portion de contact d'un élément conducteur relié au reste de l'appareil.Each strip is intended to hold a cable against a contact portion of a conductive element connected to the rest of the device.

La position des lamelles, et en particulier de leur arête venant au contact du câble, est modifiée par des poussoirs adjacents. Chaque poussoir comporte un bras présentant à une extrémité, d'un premier côté, une touche de commande et, d'un second côté opposé au premier côté, un doigt en appui contre l'une des lamelles.The position of the slats, and in particular of their edge coming into contact with the cable, is modified by adjacent pushers. Each pusher comprises an arm having at one end, a first side, a control key and, a second side opposite the first side, a finger resting against one of the slats.

Chaque touche de commande comporte une empreinte rectangulaire destinée à recevoir, en position de repos, un outil pour la mise en position d'enfoncement du poussoir auquel elle appartient. L'enfoncement des poussoirs se fait indépendamment pour chacun des poussoirs.Each control key has a rectangular imprint intended to receive, in the rest position, a tool for setting in depression position of the pusher to which it belongs. The pressing of the pushers is done independently for each of the pushers.

Ces appareils permettent la connexion de deux câbles conducteurs et rend possible la déconnexion de l'un d'eux sans déconnecter l'autre ainsi que, une fois que l'un des câbles a été connecté, de connecter l'autre sans affecter la situation du premier.These devices allow the connection of two conductive cables and makes it possible to disconnect one of them without disconnecting the other and, once one of the cables has been connected, to connect the other without affecting the situation. from the first.

Le document DE-299 11 124-U est considéré comme étant l'état de la technique le plus proche.The document DE-299 11 124-U is considered to be the closest state of the art.

L'invention vise à fournir un appareil de ce type mais offrant une possibilité d'actionnement simultané des poussoirs tout en étant particulièrement simple et commode à fabriquer et à utiliser.The invention aims to provide an apparatus of this type but offering a possibility of simultaneous actuation of the pushers while being particularly simple and convenient to manufacture and use.

A cet effet, l'invention propose un appareil électrique comportant un bloc de raccordement de deux câbles conducteurs comportant :

  • deux orifices d'introduction pour lesdits câbles ;
  • deux lamelles élastiques chacune située en regard d'un dit orifice d'introduction, chacune comportant une arête de maintien d'un dit câble conducteur respectif contre une portion de contact d'un élément conducteur relié au reste de l'appareil ;
  • deux poussoirs adjacents adaptés à commander chacun la position d'une respective desdites deux arêtes et comportant chacun un bras présentant à une première extrémité, d'un premier côté, une touche de commande et, d'un second côté opposé au premier côté, un doigt en appui contre une dite lamelle élastique respective, chaque poussoir étant mobile entre une position d'enfoncement dans laquelle ladite arête est à l'écart de ladite portion de contact et une position de repos dans laquelle ladite arête est à proximité de ladite portion de contact,
caractérisé en ce qu'une desdites touches comporte une rainure présentant au moins une portion en L et l'autre desdites touches comporte une rainure présentant au moins une portion en J de sorte que, lorsque lesdites touches sont chacune en position de repos, lesdites deux rainures forment conjointement une empreinte présentant au moins une portion en U, chaque branche parallèle de ladite empreinte étant destinée à recevoir, en position de repos, un outil pour la mise en position d'enfoncement du poussoir auquel elle appartient et la branche transversale étant destinée à recevoir un outil pour la mise en position d'enfoncement simultanément des deux dits poussoirs.For this purpose, the invention proposes an electrical apparatus comprising a connection block of two conducting cables comprising:
  • two insertion ports for said cables;
  • two elastic strips each located opposite an said insertion orifice, each having a holding edge of a said respective conductive cable against a contact portion of a conductive element connected to the rest of the device;
  • two adjacent pushers each adapted to control the position of a respective one of said two edges and each having an arm having at one end, a first side, a control key and, a second side opposite the first side, a finger bearing against a said respective elastic leaf, each pusher being movable between a driving position in which said edge is away from said contact portion and a rest position in which said edge is close to said portion of contact,
characterized in that one of said keys has a groove having at least one L-shaped portion and the other of said keys has a groove having at least one J-shaped portion so that when said keys are each in the rest position, said two grooves together form a recess having at least one U-shaped portion, each parallel branch of said recess being intended to receive, in the rest position, a tool for the insertion of the pusher to which it belongs and the transverse branch being intended to receive a tool for setting in depression position simultaneously two said pushers.

Ainsi, on peut actionner avec le même outil l'un ou l'autre des deux poussoirs ou les deux poussoirs simultanément.Thus, it is possible to actuate with the same tool one or the other of the two pushers or the two pushers simultaneously.

Selon des caractéristiques de mise en oeuvre particulièrement simples et commodes tant à la fabrication qu'à l'utilisation :

  • le bloc comporte un corps vis-à-vis duquel les deux dits poussoirs sont mobiles en rotation, chaque dit poussoir comportant des moyens de montage de l'un à l'autre et audit corps présentant des formes cylindriques complémentaires ; et éventuellement
  • lesdits moyens de montage sont situés à une seconde extrémité dudit bras, opposée à ladite première extrémité ; et/ou
  • le bloc comporte un corps auquel appartiennent lesdits orifices d'introduction, chaque dit doigt comportant une face en regard d'un dit orifice dans ladite position d'enfoncement, cette face étant munie d'une portion en retrait, ladite portion en retrait étant dans l'alignement dudit orifice dans la position d'enfoncement, le reste de ladite face étant en saillie ; et éventuellement
  • lesdites portions en retrait des deux dits doigts sont adjacentes l'une à l'autre ; et/ou
  • le bloc comporte un corps comportant, pour chaque dit poussoir, une première butée et une deuxième butée de fin de course pour ladite touche lorsque le poussoir est mis respectivement en position d'enfoncement et en position de repos, avec respectivement une première extrémité de ladite touche qui vient en appui contre la première butée et une deuxième extrémité de ladite touche, opposée à la première extrémité, qui vient en appui contre ladite deuxième butée ; et/ou
  • chaque dit poussoir comporte des moyens de retour élastiques dudit poussoir de ladite position d'enfoncement à ladite position de repos ; et éventuellement
  • le bloc comporte un corps et lesdits moyens de retour élastiques comportent une tige située à une seconde extrémité dudit bras opposée à ladite première extrémité et dudit premier côté, l'extrémité libre de ladite tige étant en appui contre une paroi dudit corps, ladite tige étant adaptée à se déformer élastiquement lorsque ledit poussoir passe d'une dite position à l'autre.
According to implementation characteristics which are particularly simple and convenient both for manufacture and use:
  • the block comprises a body vis-à-vis which said two pushers are movable in rotation, each said pusher having means for mounting one to the other and said body having complementary cylindrical shapes; and eventually
  • said mounting means is located at a second end of said arm opposite said first end; and or
  • the block comprises a body to which said insertion orifices belong, each said finger having a face opposite a said orifice in said depression position, this face being provided with a recessed portion, said recessed portion being aligning said orifice in the depressing position, the remainder of said face being projecting; and eventually
  • said recessed portions of said two fingers are adjacent to each other; and or
  • the block comprises a body comprising, for each said pusher, a first stop and a second end stop for said button when the pusher is respectively placed in the driving position and in the rest position, with respectively a first end of said key which abuts against the first stop and a second end of said key, opposite the first end, which bears against said second stop; and or
  • each said pusher comprises elastic return means of said pusher of said depression position at said rest position; and eventually
  • the block comprises a body and said elastic return means comprise a rod located at a second end of said arm opposite said first end and said first side, the free end of said rod being in abutment against a wall of said body, said rod being adapted to deform elastically when said pusher passes from one said position to another.

Les caractéristiques et avantages de l'invention ressortiront de la description qui suit, donnée à titre d'exemple préféré, mais non limitatif, en référence aux dessins annexés, sur lesquels :

  • la figure 1 est une vue partielle en perspective d'un appareil selon l'invention pourvu d'un bloc comprenant deux paires de poussoirs, une paroi d'un corps du bloc étant arrachée, les deux poussoirs visibles étant en position de repos ;
  • la figure 2 est une vue de l'appareil de la figure 1, l'un des deux poussoirs étant en position d'enfoncement ;
  • la figure 3 est une vue en perspective du poussoir situé à gauche dans le bloc de la figure 1 ;
  • la figure 4 est une vue en perspective du poussoir situé à droite ;
  • la figure 5 est une vue similaire à celle de la figure 4 représentant un poussoir pourvu de moyens de retour élastiques en position de repos ;
  • la figure 6 est une vue partielle selon une autre perspective du bloc de la figure 1, un outil d'enfoncement étant placé dans une rainure d'un des poussoirs ;
  • la figure 7 est une vue similaire à celle de la figure 6, l'outil étant placé sur la branche commune aux rainures des deux poussoirs ;
  • la figure 8 est une vue partielle en coupe de l'appareil selon l'invention, le poussoir visible étant en position de repos ;
  • la figure 9 est une vue similaire à celle de la figure 8, le poussoir étant en position d'enfoncement, un câble conducteur étant introduit dans l'orifice d'introduction ;
  • les figures 10 et 11 sont des vues similaires à celles des figures 8 et 9, le poussoir étant pourvu des moyens de retour de la figure 5 ;
  • la figure 12 est une vue similaire à celle de la figure 11, le poussoir étant revenu en position de repos.
The features and advantages of the invention will emerge from the description which follows, given by way of a preferred but nonlimiting example, with reference to the appended drawings, in which:
  • the figure 1 is a partial perspective view of an apparatus according to the invention provided with a block comprising two pairs of pushers, a wall of a body of the block being torn off, the two visible pushers being in the rest position;
  • the figure 2 is a view of the device from the figure 1 one of the two pushers being in a driving position;
  • the figure 3 is a perspective view of the pusher located to the left in the block of the figure 1 ;
  • the figure 4 is a perspective view of the pusher on the right;
  • the figure 5 is a view similar to that of the figure 4 representing a pusher provided with elastic return means in the rest position;
  • the figure 6 is a partial view from another perspective of the block of the figure 1 a driving tool being placed in a groove of one of the pushers;
  • the figure 7 is a view similar to that of the figure 6 , the tool being placed on the branch common to the grooves of the two pushers;
  • the figure 8 is a partial sectional view of the apparatus according to the invention, the visible pusher being in the rest position;
  • the figure 9 is a view similar to that of the figure 8 , the pusher being in the driving position, a conductive cable being introduced into the insertion orifice;
  • the Figures 10 and 11 are views similar to those of Figures 8 and 9 , the pusher being provided with means for returning the figure 5 ;
  • the figure 12 is a view similar to that of the figure 11 , the pusher having returned to the rest position.

Le bloc de raccordement 1 de câbles conducteurs de l'appareil 2 comporte deux corps 3 adjacents sensiblement parallélépipédiques. L'appareil 2 est un disjoncteur dont on ne décrit ici que le bloc de raccordement.The connection block 1 of conductive cables of the apparatus 2 comprises two substantially parallelepipedal adjacent bodies 3. The apparatus 2 is a circuit breaker of which only the connection block is described here.

On décrit un corps 3. Le corps 3, en matière plastique, comporte deux orifices d'introduction 6, 7 de câbles conducteurs. Sur le corps 3, au-dessus de chaque orifice 6, 7 est monté un poussoir 4, 5.A body 3 is described. The body 3, made of plastic material, has two insertion orifices 6, 7 for conducting cables. On the body 3, above each orifice 6, 7 is mounted a pusher 4, 5.

Chaque poussoir (fig. 3, 4), également en matière plastique, comporte un bras 10 présentant à une extrémité 11 d'un côté une touche de commande 12 et de l'autre côté un doigt 13. La touche 12 s'étend en surépaisseur sur le bras 10. La touche 12, sensiblement parallélépipédique, présente une face supérieure, parallèle et à l'écart de la face du bras 10 à partir de laquelle la touche 12 s'étend.Each pusher ( Fig. 3, 4 ), also made of plastic, comprises an arm 10 having at one end 11 on one side a control key 12 and on the other side a finger 13. The key 12 extends over the arm 10. The key 12, substantially parallelepipedic, has an upper face, parallel and away from the face of the arm 10 from which the key 12 extends.

La touche 12 du poussoir 4 comporte une rainure en L 14 débouchant sur la face supérieure. La touche 12 du poussoir 5 comporte une rainure en J 14 débouchant sur la face supérieure.The key 12 of the pusher 4 has an L-shaped groove 14 opening on the upper face. The key 12 of the pusher 5 has a groove J 14 opening on the upper face.

La grande branche de la rainure en L, respectivement de la rainure en J, s'étend longitudinalement, la petite branche s'étend transversalement. La rainure 14, et plus précisément l'extrémité de la petite branche opposée à la jonction avec la grande branche, débouche sur une première face latérale de la touche 12. Les arêtes de la rainure 14 sont arrondies.The large branch of the groove L, respectively of the groove J, extends longitudinally, the small branch extends transversely. The groove 14, and more precisely the end of the small branch opposite the junction with the large branch, opens on a first side face of the key 12. The edges of the groove 14 are rounded.

Plus généralement, la première face latérale de la touche 12 est située dans le même plan qu'une face latérale 15 du poussoir 4, 5. De même, le poussoir 4, 5 comporte une deuxième face latérale 16 opposée à la première face latérale 15. Et, lorsque les poussoirs 4, 5 sont placés dans le bloc, les deux faces latérales 15 sont en contact l'une de l'autre.More generally, the first lateral face of the key 12 is located in the same plane as a lateral face 15 of the pusher 4, 5. Likewise, the pusher 4, 5 has a second lateral face 16 opposite to the first lateral face 15. And, when the pushers 4, 5 are placed in the block, the two lateral faces 15 are in contact with one another.

Le fond de la rainure 14 est incliné, l'arête la plus profonde de la petite branche étant située vers l'extrémité 11 et celle de la grande branche vers la face latérale 16.The bottom of the groove 14 is inclined, the deepest edge of the small branch being located towards the end 11 and that of the major branch towards the lateral face 16.

Lorsque les deux poussoirs 4, 5 sont placés côte à côte dans le corps 3, les deux rainures 14 communiquent et forment conjointement une empreinte 17 en U. La branche transversale de l'empreinte 17 en U est formée des deux petites branches des rainures 14 en L et en J et est située vers l'extrémité 11. Les trois branches de l'empreinte 17 sont sensiblement de mêmes dimensions.When the two pushers 4, 5 are placed side by side in the body 3, the two grooves 14 communicate and jointly form a U-shaped recess 17. The transverse branch of the U-shaped recess 17 is formed by the two small branches of the grooves 14 in L and J and is located towards the end 11. The three branches of the cavity 17 are substantially of the same dimensions.

L'extrémité de la touche 12, du côté de l'extrémité 11 du bras 10, est en débord par rapport au bras 10. Du côté de l'extrémité 11 et de sa face supérieure, l'arête transversale de la touche 12 est arrondie.The end of the key 12, on the side of the end 11 of the arm 10, is overflowing with respect to the arm 10. On the side of the end 11 and its upper face, the transverse edge of the key 12 is rounded.

De l'autre côté du bras 10, s'étend le doigt 13. Le doigt 13, de même largeur que le bras 10 et la touche 12, est en forme de croissant de sorte que l'extrémité libre 18 du doigt 13 se rapproche légèrement de la seconde extrémité 19 du bras 10 (opposée à l'extrémité 11).On the other side of the arm 10 extends the finger 13. The finger 13, the same width as the arm 10 and the key 12, is crescent-shaped so that the free end 18 of the finger 13 approaches slightly from the second end 19 of the arm 10 (opposite the end 11).

Le doigt 13 présente une face frontale 20 et une face arrière 21 respectivement légèrement convexe et concave reliées par des portions des faces latérales 15, 16. La face frontale 20 comporte un renfoncement 21 (fig. 5) qui s'étend à partir de l'extrémité libre 18 jusqu'au niveau du bras 10. Toutefois ce renfoncement 21 ne s'étend pas sur toute la largeur du doigt 13 et laisse un décrochement 22 s'étendre le long de la portion de face 16 du doigt 13.The finger 13 has a front face 20 and a rear face 21 respectively slightly convex and concave connected by portions of the lateral faces 15, 16. The front face 20 comprises a recess 21 ( Fig. 5 ) which extends from the free end 18 to the level of the arm 10. However, this recess 21 does not extend over the entire width of the finger 13 and leaves a recess 22 extend along the portion face 16 of the finger 13.

Lorsque les deux poussoirs 4, 5 sont placés côte à côte dans le corps 3, les renfoncements 21 sont adjacents.When the two pushers 4, 5 are placed side by side in the body 3, the recesses 21 are adjacent.

Les poussoirs 4, 5 présentent en outre un renfoncement en triangle qui débouche sur la face latérale 15.The pushers 4, 5 also have a triangular recess which opens onto the lateral face 15.

En référence aux figures 3, 4, les extrémités 19 des poussoirs 4, 5 comportent des moyens de montage des poussoirs 4, 5 l'un à l'autre et au corps 3. Ces moyens de montage permettent la rotation des poussoirs indépendamment l'un de l'autre par rapport au corps 3. Les poussoirs 4, 5 sont mobiles entre une position de repos et une position d'enfoncement.With reference to Figures 3, 4 , the ends 19 of the pushers 4, 5 comprise means for mounting the pushers 4, 5 to each other and to the body 3. These mounting means allow the rotation of the pushers independently of one another relative 3. The pushers 4, 5 are movable between a rest position and a depressing position.

L'extrémité 19 du bras 10 du poussoir 4 se présente sous la forme d'un cylindre creux 23 débouchant sur la face latérale 15 et comportant un fond du côté de la face latérale 16.The end 19 of the arm 10 of the pusher 4 is in the form of a hollow cylinder 23 opening on the lateral face 15 and having a bottom on the side of the side face 16.

L'extrémité 19 du bras 10 du poussoir 5 comporte sur la face 15 un cylindre plein 24 adapté à rentrer dans le creux du cylindre 23 et sur la face 16 un cylindre plein 25 de même diamètre que le diamètre extérieur du cylindre 23.The end 19 of the arm 10 of the pusher 5 has on the face 15 a solid cylinder 24 adapted to enter into the hollow of the cylinder 23 and on the face 16 a solid cylinder 25 of the same diameter as the outer diameter of the cylinder 23.

L'extrémité 19 des faces 16 présente un renfoncement autour des cylindres 23, 25.The end 19 of the faces 16 has a recess around the cylinders 23, 25.

Le corps 3 comporte des orifices cylindriques (non représentés) pour accueillir les cylindres 23, 25.The body 3 comprises cylindrical orifices (not shown) to accommodate the cylinders 23, 25.

Dans le corps 3, les orifices d'introduction 6, 7 sont situés à proximité de l'emplacement des doigts 13 des poussoirs 4, 5. Ils débouchent sur une face du corps 3 et leur section diminue avec l'éloignement de cette face. Les deux orifices 6, 7 sont adjacents. L'arête des orifices 6, 7 sur la face du corps 3 est arrondie pour faciliter l'insertion des câbles.In the body 3, the insertion orifices 6, 7 are located near the location of the fingers 13 of the pushers 4, 5. They open on a face of the body 3 and their section decreases with the distance of this face. The two orifices 6, 7 are adjacent. The edge of the orifices 6, 7 on the face of the body 3 is rounded to facilitate insertion of the cables.

Le corps comporte en outre pour chaque poussoirs 4, 5 deux butées 26, 27 de fin de course du poussoir.The body further comprises for each push rods 4, 5 stops 26, 27 end of travel of the pusher.

La butée 26 est située au-dessus d'un orifice 6, 7, l'extrémité en débord de la touche 12 venant y buter lorsque le poussoir est mis en position d'enfoncement.The stop 26 is located above an orifice 6, 7, the end protruding from the key 12 abutting therein when the pusher is placed in the depression position.

La butée 27 est située au-dessus sur une autre face du corps 3, la portion du poussoir 4, 5 correspondant à la jonction entre le bras 10 et la touche 12 (du côté de l'extrémité 19) venant y buter lorsque le poussoir est mis en positon de repos.The abutment 27 is located above on another face of the body 3, the portion of the pusher 4, 5 corresponding to the junction between the arm 10 and the key 12 (the side of the end 19) abutting there when the pusher is placed in rest position.

Dans le corps 3 sont montées deux lamelles élastiques 30. Chaque lamelle 30 est une bande en matériau conducteur. Chaque lamelle 30 est en forme de U avec une première branche 31 présentant un court épaulement 32 à son extrémité libre.In the body 3 are mounted two elastic strips 30. Each strip 30 is a strip of conductive material. Each strip 30 is U-shaped with a first branch 31 having a short shoulder 32 at its free end.

Chaque lamelle 30 est fixée au corps 3 de telle sorte que la deuxième branche 33 soit flexible et puisse être approchée de la première branche 31 sous la pression d'un doigt 13 ou d'un câble.Each strip 30 is fixed to the body 3 so that the second branch 33 is flexible and can be approached to the first branch 31 under the pressure of a finger 13 or a cable.

La branche 33 présente une arête d'extrémité 34 et présente un rétrécissement de largeur vers son arête 34.The branch 33 has an end edge 34 and has a width narrowing towards its edge 34.

Le corps 3 comporte en outre des éléments conducteurs 35, 36 de part et d'autre de la lamelle 30. Un premier élément 35 est en contact avec l'épaulement 32 de la lamelle 30.The body 3 further comprises conductive elements 35, 36 on either side of the lamella 30. A first element 35 is in contact with the shoulder 32 of the lamella 30.

Un deuxième élément 36 présente une face en regard de la lamelle 30 formant un siège pour un câble conducteur.A second element 36 has a face facing the plate 30 forming a seat for a conductive cable.

Au repos, la branche 33 se place contre l'élément 36 de sorte que l'orifice est obstrué.At rest, the branch 33 is placed against the element 36 so that the orifice is obstructed.

On décrit maintenant l'actionnement des poussoirs pour la connexion et la déconnexion des câbles.The actuators for the connection and disconnection of the cables are now described.

Pour connecter un câble, c'est-à-dire effectuer une connexion électrique avec les éléments conducteurs 35, 36, on applique une pression d'appui sur la touche 12 du poussoir 4, 5 qui quitte sa position de repos et effectue une rotation. L'extrémité libre 18 du doigt 13 appuie alors sur la branche 33 de la lamelle 30 (fig. 2, 9). La branche 33 s'approche de la branche 31 ouvrant un passage pour le câble 40. On enfonce le câble 40 puis on relâche la pression sur la touche 12. La branche 33 s'écarte légèrement de la branche 31 et l'arête 34 vient buter contre le câble 40. Le poussoir 4, 5 reste enfoncé.To connect a cable, that is to say make an electrical connection with the conductive elements 35, 36, a pressing pressure is applied to the key 12 of the pusher 4, 5 which leaves its rest position and performs a rotation . The free end 18 of the finger 13 then bears on the limb 33 of the lamella 30 ( Fig. 2 , 9 ). The branch 33 approaches the branch 31 opening a passage for the cable 40. It pushes the cable 40 and then releases the pressure on the key 12. The branch 33 deviates slightly from the branch 31 and the edge 34 comes abut against the cable 40. The pusher 4, 5 remains depressed.

Pour déconnecter le câble 40, on applique une pression sur la touche 12 du poussoir 4, 5. L'extrémité libre 18 du doigt 13 appuie à nouveau sur la branche 33 de la lamelle 30. L'arête d'extrémité 34 est écartée du câble 40 de sorte que celui-ci peut être tiré hors de l'orifice 6, 7. Une fois le câble retiré, la lamelle 30 reprend sa position de repos, entraînant le poussoir vers sa position de repos.To disconnect the cable 40, a pressure is applied on the key 12 of the pusher 4, 5. The free end 18 of the finger 13 presses again on the branch 33 of the strip 30. The end edge 34 is separated from the cable 40 so that it can be pulled out of the orifice 6, 7. Once the cable removed, the blade 30 resumes its rest position, causing the pusher to its rest position.

Dans le cas d'un câble 40 suffisamment rigide, on le connecte en l'enfonçant dans un orifice 6, 7. Sous la pression du câble la branche 33 se rapproche de la branche 32 de façon à ouvrir le passage pour ledit câble 40. La lamelle 30 est contrainte dans une position repliée de sorte qu'elle appuie par l'intermédiaire de l'arête d'extrémité 34 contre le câble 40. Le câble 40 est plaqué contre la face de l'élément 36. L'arête d'extrémité 34 bloque le câble en position connectée. La déconnexion est similaire au cas précédent.In the case of a sufficiently rigid cable 40, it is connected by pushing it into an orifice 6, 7. Under the pressure of the cable, the branch 33 approaches the branch 32 so as to open the passage for said cable 40. The blade 30 is constrained in a folded position so that it presses through the end edge 34 against the cable 40. The cable 40 is pressed against the face of the element 36. The edge end 34 blocks the cable in the connected position. Disconnection is similar to the previous case.

Pour actionner les poussoirs 4, 5, on utilise un outil 50 qui comporte une lame plate 51. La lame 51 présente à son extrémité une section rectangulaire de dimensions légèrement inférieures à celles des trois branches de l'empreinte 17.To actuate the pushers 4, 5, using a tool 50 which comprises a flat blade 51. The blade 51 has at its end a rectangular section of dimensions slightly smaller than those of the three branches of the cavity 17.

Pour actionner un poussoir 4 sans actionner le poussoir voisin 5, la lame 51 de l'outil 50 est placée dans la grande branche de la rainure 14 en L.To actuate a pusher 4 without actuating the adjacent pusher 5, the blade 51 of the tool 50 is placed in the large branch of the groove 14 in L.

Pour actionner un poussoir 5 sans actionner le poussoir voisin 4, la lame 51 est placée dans la grande branche de la rainure 14 en J.To actuate a pusher 5 without actuating the adjacent pusher 4, the blade 51 is placed in the large branch of the groove 14 in J.

Enfin, pour actionner les deux poussoirs 4, 5 simultanément, on place la lame 51 dans la branche transversale de l'empreinte 17 en U, s'étendant sur les deux touches 12.Finally, to actuate the two pushers 4, 5 simultaneously, the blade 51 is placed in the transverse branch of the U-shaped recess 17 extending over the two keys 12.

On décrit maintenant une variante du mode de réalisation dans laquelle le poussoir 4, 5 comporte en outre une tige 60 destinée à permettre un retour du poussoir en position de repos (figs. 5, 10, 11, 12).We now describe a variant of the embodiment in which the pusher 4, 5 further comprises a rod 60 intended to allow a return of the pusher in the rest position ( Figs. 5 , 10, 11, 12 ).

Le poussoir 4, 5 comporte sur l'extrémité 19 du bras 10 une tige 60 qui s'étend transversalement par rapport au bras 10 et du côté opposé à celui duquel s'étend le doigt 13.The pusher 4, 5 has on the end 19 of the arm 10 a rod 60 which extends transversely with respect to the arm 10 and the side opposite to that of which the finger 13 extends.

Cette tige 60 se termine, à son extrémité libre opposée au bras 10, par un pommeau cylindrique 61.This rod 60 ends, at its free end opposite the arm 10, by a cylindrical knob 61.

Dans le corps 3, en position de repos du poussoir (fig. 10), le pommeau 61 est en appui contre une face intérieure du corps 3. La tige 60 est elle-même dans une position de repos.In the body 3, in the rest position of the pusher ( Fig. 10 ), the knob 61 is in abutment against an inner face of the body 3. The rod 60 is itself in a rest position.

Lorsque l'on exerce une pression d'appui sur la touche 12, le poussoir effectue une rotation pour venir en position d'enfoncement (fig. 11). La tige 60 fléchit élastiquement, le pommeau 61 restant toujours en contact avec la face du corps 3.When pressure is exerted on the key 12, the pusher rotates to the depressing position ( Fig. 11 ). The shank 60 flexes elastically, the pommel 61 still remaining in contact with the face of the body 3.

Lorsque la pression sur la touche 12 cesse, la tige 60 retrouve sa position de repos entraînant alors le poussoir qui retrouve également sa position de repos.When the pressure on the key 12 ceases, the rod 60 returns to its rest position then driving the pusher which also finds its rest position.

Les deux corps 3 sont similaires. Ils sont décalés l'un par rapport à l'autre de sorte que les orifices d'introduction des corps 3 ne sont pas alignés.The two bodies 3 are similar. They are offset relative to each other so that the introduction ports of the body 3 are not aligned.

Selon une variante du mode de réalisation, le bloc comporte un nombre différent de corps ou les moyens de montage des poussoirs l'un à l'autre et au corps comportent des crans et des dents permettant de créer des paliers de rotation dans la course rotative des poussoirs.According to a variant of the embodiment, the block comprises a different number of bodies or the mounting means of the pushers to one another and to the body comprise notches and teeth for creating rotational bearings in the rotary stroke pushers.

Selon une autre variante, le corps comporte deux lamelles en sigma adjacentes. Chaque lamelle présente une branche comportant une fenêtre au travers de laquelle s'étend un élément conducteur. En position de repos du poussoir, l'élément conducteur est en contact avec un bord de la fenêtre. En position d'enfoncement, ce bord est écarté de l'élément conducteur et un câble est inséré ou extrait d'entre ce bord et l'élément conducteur. Comme décrit précédemment, chaque poussoir est muni d'une touche présentant une rainure respectivement en L et en J de sorte, lorsque les touches sont chacune en position de repos, lesdites deux rainures forment une empreinte en U.According to another variant, the body comprises two lamellae in adjacent sigma. Each lamella has a branch having a window through which extends a conductive element. In the rest position of the pusher, the conductive element is in contact with an edge of the window. In the driving position, this edge is spaced from the conductive element and a cable is inserted or extracted from this edge and the conductive element. As described above, each pusher is provided with a key having a groove respectively L and J so, when the keys are each in the rest position, said two grooves form a U-shaped footprint.

Selon encore une autre variante, chaque rainure est conformée en T dont l'une est disposée symétriquement (image miroir) de l'autre de sorte que l'empreinte s'étendant sur les deux touches est en forme de H dont la branche centrale s'étend transversalement.According to yet another variant, each groove is T-shaped, one of which is arranged symmetrically (mirror image) of the other so that the imprint extending over the two keys is H-shaped whose central branch is extends transversely.

Selon encore un autre variante, chaque rainure présente une petite barre se prolongeant de l'autre côté de la grande barre de sorte que chaque rainure a une forme de T dont la barre horizontale est située vers l'extrémité 11 du bras.According to yet another variant, each groove has a small bar extending on the other side of the large bar so that each groove has a T shape whose horizontal bar is located towards the end 11 of the arm.

Selon d'autres modes de réalisation, l'appareil électrique est un interrupteur ou encore un bornier de raccordement.According to other embodiments, the electrical apparatus is a switch or a terminal block connection.

La présente invention n'est pas limitée au mode de réalisation décrit et représenté mais englobe toute variante d'exécution.The present invention is not limited to the embodiment described and shown but encompasses any variant embodiment.

Claims (8)

  1. An electrical apparatus comprising a connecting block (1) for connecting two conductor cables (40) comprising:
    - two introduction orifices (6, 7) for said cables (40);
    - two elastic blades (30) each disposed in facing relationship with a said introduction orifice (6, 7), each comprising a holding edge (34) adapted to hold a respective said conductor cable (40) against a contact portion of a conductor element (35, 36) connected to the rest of the apparatus;
    - two adjacent thrust members (4, 5) adapted to each control the position of a respective one of said two edges (34) and each comprising an arm (10) having at a first end (11) at a first side a control pad (12) and at a second side opposite to the first side a finger (13) bearing against a respective said blade (30), each thrust member (4, 5) being movable between a depressed position in which said edge (34) is at a spacing from said contact portion and a rest position in which said edge (34) is in the proximity of said contact portion,
    characterised in that one of said pads (12) comprises a groove having at least one L-shaped portion (14) and the other of said pads (12) comprises a groove having at least one J-shaped portion (14) in such a way that, when said pads (12) are each in the rest position, said two grooves (14) jointly form a recess (17) having at least one U-shaped portion, each parallel limb of said recess (17) being intended to receive in the rest position a tool (50) for putting into the depressed position the thrust member (4, 5) to which it belongs and the transverse limb being intended to receive a tool (50) for simultaneously putting into the depressed position the two said thrust members (4, 5).
  2. Apparatus according to claim 1 characterised in that said block (1) comprises a body (3), in relation to which said two thrust members (4, 5) are rotatably movable, each said thrust member (4, 5) comprising means (23, 24, 25) for mounting one to the other and to said body (3) and being of complementary cylindrical shapes.
  3. Apparatus according to claim 2 characterised in that said mounting means (23, 24, 25) are disposed at a second end (19) of said arm (10), that is opposite to said first end.
  4. Apparatus according to any one of the preceding claims characterised in that said block (1) comprises a body (3) to which said introduction orifices (6, 7) belong, each said finger (13) comprising a face (20) in facing relationship with a said orifice (6, 7) in said depressed position, said face (20) being provided with a set-back portion (21), said set-back portion (21) being in alignment with said orifice (6, 7) in the depressed position, the rest of said face being in projecting relationship.
  5. Apparatus according to claim 4 characterised in that said set-back portions (21) of the two said fingers (13) are adjacent to each other.
  6. Apparatus according to any one of the preceding claims characterised in that said block (1) comprises a body (3) comprising for each said thrust member (4, 5) a first end-of-travel abutment and a second end-of-travel abutment for said pad (12) when the thrust member (4, 5) is respectively in the depressed position and in the rest position with respectively a first end of said pad (12) which comes to bear against the first abutment and a second end of said pad (12) that is opposite to said first end and comes to bear against said second abutment.
  7. Apparatus according to any one of the preceding claims characterised in that each said thrust member (4, 5) comprises elastic return means (60) for the return of said thrust member (4, 5) from said depressed position to said rest position.
  8. Apparatus according to claim 7 characterised in that said block (1) comprises a body (3), said elastic return means comprising a stem (60) disposed at a second end (19) of said arm (10), that is opposite to said first end and on said first side, the free end (61) of said stem (60) bearing against a wall of said body (3), said stem (60) being adapted to elastically deform when said thrust member (4, 5) passes from one said position to the other.
EP05291990A 2004-09-27 2005-09-26 Device with a connecting block Active EP1641079B1 (en)

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PL05291990T PL1641079T3 (en) 2004-09-27 2005-09-26 Device with a connecting block

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0410215A FR2875944B1 (en) 2004-09-27 2004-09-27 APPARATUS COMPRISING A CONNECTION BLOCK

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EP1641079A1 EP1641079A1 (en) 2006-03-29
EP1641079B1 true EP1641079B1 (en) 2008-12-24

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EP (1) EP1641079B1 (en)
CN (1) CN100505423C (en)
AT (1) ATE418803T1 (en)
DE (1) DE602005011910D1 (en)
ES (1) ES2320150T3 (en)
FR (1) FR2875944B1 (en)
PL (1) PL1641079T3 (en)

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FR2875944A1 (en) 2006-03-31
DE602005011910D1 (en) 2009-02-05
ES2320150T3 (en) 2009-05-19
CN100505423C (en) 2009-06-24
PL1641079T3 (en) 2009-06-30
CN1770554A (en) 2006-05-10
ATE418803T1 (en) 2009-01-15
FR2875944B1 (en) 2006-12-15
EP1641079A1 (en) 2006-03-29

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