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EP0893847A1 - Electrical device with elastical cage-type terminals - Google Patents

Electrical device with elastical cage-type terminals Download PDF

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Publication number
EP0893847A1
EP0893847A1 EP98401683A EP98401683A EP0893847A1 EP 0893847 A1 EP0893847 A1 EP 0893847A1 EP 98401683 A EP98401683 A EP 98401683A EP 98401683 A EP98401683 A EP 98401683A EP 0893847 A1 EP0893847 A1 EP 0893847A1
Authority
EP
European Patent Office
Prior art keywords
wing
support
screw
cage
support piece
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
EP98401683A
Other languages
German (de)
French (fr)
Other versions
EP0893847B1 (en
Inventor
Patrick Roger
Denis Bassenonville
Guy Eschermann
Bernard Bizard
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.)
Schneider Electric Industries SAS
Original Assignee
Schneider Electric SE
Schneider Electric Industries SAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Schneider Electric SE, Schneider Electric Industries SAS filed Critical Schneider Electric SE
Priority to EP01202574A priority Critical patent/EP1156551A1/en
Publication of EP0893847A1 publication Critical patent/EP0893847A1/en
Application granted granted Critical
Publication of EP0893847B1 publication Critical patent/EP0893847B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
    • H01R13/42—Securing in a demountable manner
    • 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
    • H01R4/4846—Busbar details
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/4811—Spring details
    • H01R4/4816—Spring details the spring shape preventing insertion of the conductor end when the spring is unbiased
    • 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
    • H01R4/484—Spring housing details
    • H01R4/4842—Spring housing details the spring housing being provided with a single opening for insertion of a spring-activating tool
    • 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
    • H01R4/4846—Busbar details
    • H01R4/485—Single busbar common to multiple springs

Definitions

  • the present invention relates to an electrical appliance comprising terminals of which each has a conductive support piece bearing near one end an elastic cage intended to receive at least one conductor to be connected.
  • the elastic cages usually used in such bollards include a support wing applied or fixed on the support piece and a wing operating by jamming a tightening of the end of an external conductor to be connected, such as a cable.
  • the clamping wing is connected to the support wing by a spring loop and it has a window into which a conductor can be inserted, this conductor being wedged between an edge of the window and the support piece by the force due at the loop.
  • connection range it is desirable to be able to choose in certain electrical devices the mode of connection of terminals. More precisely, we want, without changing the connection range be able to use either screw terminals, i.e. terminals in which the clamping of the conductors is ensured by the sliding of a organ, for example a stirrup, set in motion by the rotation of a screw, or elastic terminals of the type described.
  • screw terminals i.e. terminals in which the clamping of the conductors is ensured by the sliding of a organ, for example a stirrup, set in motion by the rotation of a screw, or elastic terminals of the type described.
  • the invention aims to meet these wishes.
  • anti-loosening means other than its usual threads are associated the screw to immobilize it in relation to the support part or the main part, and it is possible to provide means for blocking the support part in rotation. relative to the housing or cover of the device.
  • the latter can be significantly U-shaped presenting on both sides of its soul a first wing and a second wing, the first wing constituting a connection branch for the cable to be connected and carrying the spring cage, the second wing constituting a branch of guide for an operating tool or a connection plug.
  • the support piece may include at least a reinforcing arm folded from one of the wings to extend transversely towards the other wing, against which it is blocked by folding or snap-fastening by means of an element of suitable shape.
  • the support piece can be dimensioned to receive two spring cages arranged side by side in a direction parallel to the two wings and understand at minus one reinforcement arm joining the wings, the distance between the loop of a spring cage and the second wing being sufficient to receive a connection plug.
  • the terminal can thus house a distribution plug side by side for the power supply. device and a cable to connect to another device.
  • Figure 1 shows a side view of a terminal according to the invention housed in a electrical appliance.
  • Figure 2 shows the terminal being assembled.
  • Figure 3 shows a variant of the reinforcement arm terminal.
  • Figure 4 is a plan view of the blank used to make the support part of the figure 3.
  • FIG. 5 shows in perspective a variant with a double terminal.
  • Figure 6 shows another embodiment of a support arm piece reinforcement for double bollard.
  • the electrical appliance part of which is shown schematically in the figure 1 comprises a housing made of insulating material 10 and several terminals with elastic cage Protected by a housing part, a cover or other similar member of recovery 11.
  • Terminal A has a conductive support piece 12 bearing on a wing 12a a spring cage 13.
  • the spring cage 13 comprises a support wing 13a applied on the wing 12a of the support piece, a clamping wing 13b and a loop 13c; the clamping wing 13b is connected to the support wing 13a by the loop 13c which forms a spring and it has a clamping window 13d into which enters and remains engaged the end of the wing 13a.
  • Clamping window 13d has an edge 13e applicable against the side of the wing 12a opposite to that which carries the wing 13a; the window 13d is used to clamp at least one conductor C, with wedging effect between the edge 13th and wing 12a.
  • the wing 12a of the part 12 can advantageously offer an end free curved or convex 12e which is introduced into the window 13d of the spring cage and facilitates cable entry.
  • the conductive support piece 12 is generally U-shaped and has the wing 12a already mentioned, as well as a core 12b and another wing 12c.
  • the part 12 is fixed by its core 12b to the connection pad 14a of a main conductive part 14 specific to the device.
  • the fixing is carried out by means of a screw 15 with head 15a and threaded body 15b; the head 15a is milled ( Figures 1 and 2) or flat bottom ( Figure 3).
  • the head 15a of the screw is applied to the peripheral edge of an orifice 12d provided in the core 12b and the threaded body 15b of the screw engages in a tapped hole 14b formed in the connection area 14a of the part main; the tapped hole and the screw are dimensioned so that the elastic terminal in question can be substituted for a conventional terminal with a conductor clamping screw.
  • the head 15a occupies a large part of the length a of the core 12b and allows the screw to occupy a small space in height while leaving a space reserved for the elastic cage 13.
  • the screw 15 can be immobilized relative to the part 12 by anti-loosening means, other than the usual threads of its threaded body 15b; these means can be notches, ridges or grooves 15c provided on the underside of the head screw 15a (see figure 2). Alternatively, specific nets of braking 15d in the vicinity of the head 15a and just below it (see figure 3).
  • Wing 12c extends substantially parallel to the wing 12a or can be slightly inclined by compared to wing 12a.
  • the wing 12c forms a guide branch for a tool B which serves to deform the loop 13c (see Figure 1), in order to clear an opening in the window 13d and thus ensure the passage of the conductor, or for a connection plug D; the wing 12a advantageously has a convex free end 12j (see figure 5).
  • the U-shaped support part 12 can advantageously have initially the shape indicated in FIG. 2.
  • the wing 12a is open, for example at 45 °, to allow the positioning of the screw 15 in the orifice 12d of the part 12 and then screw it into the orifice 14b of the part 14.
  • the spring cage 13 is put in place on the branch 12a of the part 12 then held open before the screw is introduced into the orifice 12d; it can also be placed on the branch 12a after the screw has been introduced into the orifice 12d. Then the screw is screwed into the tapped hole 14b of the main part 14 of the device, then the wing 12a is bent to take its position substantially orthogonal to the core 12b.
  • the arrangement described makes it possible to house terminals of small bulk, since the distance a between the wings 12a and 12c of the support piece is reduced.
  • the support piece 12 can comprise (see FIGS. 3 and 4) arms 12f coming from folding from wing 12c or respectively from wing 12a and extending transversely to those wings. Each arm is provided at its free end with a 12g finger which can be folded or folded down to engage behind wing 12a (respectively behind the wing 12c) in order to avoid deformation of the wing 12c when the tool B or the plug D applies against it.
  • the piece 12 keeps opposite the core 12b a wide opening which allows satisfactory access to conductors C, plugs D and tools B via appropriate openings 11c and 11b, d of the cover 11.
  • an anti-rotation measure can be taken to prevent the part 12 from pivot relative to the part 14; it can be a simple stop of the part 12 against the housing or cover of the device; or 14c pins arranged on the room 14 and cooperating with 12h withdrawals provided in room 12 or vice versa (see Figure 4) or legs 12i from part 12 and suitably folded to apply on both sides against the edge of piece 14.
  • Piece 12 is obtained by cutting from a sheet of metal sheet as indicated in FIG. 4.
  • FIG. 5 shows a double terminal according to the invention.
  • Spring cages 13 are housed next to each other in room 12.
  • a stiffening arm 16 in the form of a bridge takes root on the wing 12c and is supported by a shoulder 16a on the wing 12a, so that this results in better rigidity for the support part and for the whole terminal.
  • the distance b predicted between the loop 13c of the spring cage 13 and the second wing 12c is sufficient to accommodate between them a connection plug D and that the arrangement adopted makes it possible to house a power plug in the same location and with minimal space requirements D and a starting cable C.
  • Figure 6 shows an advantageous alternative embodiment of the support piece 12. This is intended to receive two elastic cages side by side as in the case of Figure 5, but could of course receive a single elastic cage. Of them arms 12f coming from folding from the wing 12c extend transversely to the latter to wing 12a to automatically snap onto wing when closing of the support piece 12 (see arrow F1).
  • each arm may have a notch (or lug) at its free end 12k intended to cooperate with a lug (or notch) 121 disposed on the side of the wing 12a, ramps and faces of suitable shape being provided on the notches and lugs to facilitate docking during assembly (see arrow F2) and confirm after assembly mutual blocking to resist any effort to open the part 12.
  • the arms 12f stay away from it and, when the wing 12a is folded down to take its position final operation in the device, the arms are locked in place and remain retained on the pins.
  • the arms 12f may have other forms of latching, fitting or shoulder on the wing 12a.

Landscapes

  • Connector Housings Or Holding Contact Members (AREA)
  • Connections By Means Of Piercing Elements, Nuts, Or Screws (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Connections Arranged To Contact A Plurality Of Conductors (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Abstract

Appareil doté de bornes élastiques dont les cages-ressort 13 sont posées sur une aile porteuse 12a d'une pièce de support 12 elle-même rapportée sur une pièce conductrice principale 14 propre à l'appareil. La pièce de support 12, de préférence en forme de U, présente une âme 12b assemblée à la pièce principale par une vis 15, l'aile porteuse 12a étant de préférence initialement ouverte pour permettre à la fois la pose de la cage-ressort et le passage de la vis. La borne peut être simple ou double et accepter une fiche de connexion et/ou un câble. <IMAGE>Apparatus provided with elastic terminals, the spring cages 13 of which are placed on a support wing 12a of a support piece 12 which is itself attached to a main conductive piece 14 specific to the device. The support part 12, preferably in the form of a U, has a core 12b assembled to the main part by a screw 15, the bearing wing 12a being preferably initially open to allow both the installation of the spring cage and the passage of the screw. The terminal can be single or double and accept a connection plug and / or cable. <IMAGE>

Description

La présente invention concerne un appareil électrique comprenant des bornes dont chacune présente une pièce conductrice de support portant près d'une extrémité une cage élastique destinée à recevoir au moins un conducteur à connecter.The present invention relates to an electrical appliance comprising terminals of which each has a conductive support piece bearing near one end an elastic cage intended to receive at least one conductor to be connected.

Les cages élastiques habituellement utilisées dans de telles bornes comprennent une aile d'appui appliquée ou fixée sur la pièce de support et une aile opérant par coincement un serrage de l'extrémité d'un conducteur externe à connecter, tel qu'un câble. L'aile de serrage est reliée à l'aile d'appui par une boucle formant ressort et elle est dotée d'une fenêtre dans laquelle peut être introduit un conducteur, ce conducteur étant coincé entre un bord de la fenêtre et la pièce de support par l'effort dû à la boucle.The elastic cages usually used in such bollards include a support wing applied or fixed on the support piece and a wing operating by jamming a tightening of the end of an external conductor to be connected, such as a cable. The clamping wing is connected to the support wing by a spring loop and it has a window into which a conductor can be inserted, this conductor being wedged between an edge of the window and the support piece by the force due at the loop.

Il est souhaitable de pouvoir choisir dans certains appareils électriques le mode de connexion des bornes. Plus précisément, on veut, sans changer la plage de connexion de l'appareil, pouvoir utiliser soit des bornes à vis, c'est-à-dire des bornes dans lesquelles le serrage des conducteurs est assuré par le coulissement d'un organe, par exemple d'un étrier, mis en mouvement par la rotation d'une vis, soit des bornes élastiques du type décrit.It is desirable to be able to choose in certain electrical devices the mode of connection of terminals. More precisely, we want, without changing the connection range be able to use either screw terminals, i.e. terminals in which the clamping of the conductors is ensured by the sliding of a organ, for example a stirrup, set in motion by the rotation of a screw, or elastic terminals of the type described.

L'invention a pour but de répondre à ces desiderata.The invention aims to meet these wishes.

Selon l'invention,

  • la pièce conductrice de support de la cage est une pièce intermédiaire présentant une âme munie d'un orifice et assemblée à une pièce conductrice principale propre à l'appareil,
  • la pièce conductrice principale comprend une plage de connexion à trou taraudé coaxial à l'orifice de l'âme, tandis qu'une vis traverse l'orifice et coopère avec le trou taraudé pour presser la pièce de support sur la pièce principale.
According to the invention,
  • the conductive support piece of the cage is an intermediate piece having a core provided with an orifice and assembled with a main conductive piece specific to the device,
  • the main conductive part comprises a connection area with a tapped hole coaxial with the orifice of the core, while a screw passes through the orifice and cooperates with the tapped hole to press the support part on the main part.

De préférence, des moyens d'antidesserrage autre que ses filets usuels sont associés à la vis pour l'immobiliser par rapport à la pièce de support ou à la pièce principale, et l'on peut prévoir des moyens de blocage en rotation de la pièce de support par rapport au boítier ou capot de l'appareil. Cette dernière peut être sensiblement en forme de U présentant de part et d'autre de son âme une première aile et une deuxième aile, la première aile constituant une branche de connexion pour le câble à connecter et portant la cage-ressort, la deuxième aile constituant une branche de guidage pour un outil de manoeuvre ou une fiche de connexion.Preferably, anti-loosening means other than its usual threads are associated the screw to immobilize it in relation to the support part or the main part, and it is possible to provide means for blocking the support part in rotation. relative to the housing or cover of the device. The latter can be significantly U-shaped presenting on both sides of its soul a first wing and a second wing, the first wing constituting a connection branch for the cable to be connected and carrying the spring cage, the second wing constituting a branch of guide for an operating tool or a connection plug.

Pour améliorer la rigidité de la borne, la pièce de support peut comporter au moins un bras de renfort plié à partir de l'une des ailes pour s'étendre transversalement vers l'autre aile, contre laquelle il est bloqué par rabattement ou encliquetage au moyen d'un élément de forme convenable.To improve the rigidity of the terminal, the support piece may include at least a reinforcing arm folded from one of the wings to extend transversely towards the other wing, against which it is blocked by folding or snap-fastening by means of an element of suitable shape.

La pièce de support peut être dimensionnée pour recevoir deux cages-ressort disposées côte à côte dans une direction parallèle aux deux ailes et comprendre au moins un bras de renfort joignant les ailes, la distance prévue entre la boucle d'une cage-ressort et la deuxième aile étant suffisante pour recevoir une fiche de connexion. La borne peut ainsi loger côte-à-côte une fiche de distribution pour l'alimentation de l'appareil et un câble de connexion à un autre appareil.The support piece can be dimensioned to receive two spring cages arranged side by side in a direction parallel to the two wings and understand at minus one reinforcement arm joining the wings, the distance between the loop of a spring cage and the second wing being sufficient to receive a connection plug. The terminal can thus house a distribution plug side by side for the power supply. device and a cable to connect to another device.

La description est faite ci-après d'un exemple de réalisation non limitatif de l'invention, en regard des dessins annexés.The description is given below of a nonlimiting exemplary embodiment of the invention, next to the accompanying drawings.

La figure 1 représente en vue de côté une borne selon l'invention logée dans un appareil électrique.Figure 1 shows a side view of a terminal according to the invention housed in a electrical appliance.

La figure 2 montre la borne en cours d'assemblage.Figure 2 shows the terminal being assembled.

La figure 3 montre une variante de borne à bras de renfort.Figure 3 shows a variant of the reinforcement arm terminal.

La figure 4 est une vue en plan du flan utilisé pour réaliser la pièce de support de la figure 3.Figure 4 is a plan view of the blank used to make the support part of the figure 3.

La figure 5 représente en perspective une variante à borne double.FIG. 5 shows in perspective a variant with a double terminal.

La figure 6 montre un autre mode de réalisation d'une pièce de support à bras de renfort pour borne double.Figure 6 shows another embodiment of a support arm piece reinforcement for double bollard.

L'appareil électrique dont une partie est représentée schématiquement sur la figure 1 comprend un boítier en matière isolante 10 et plusieurs bornes à cage élastique A protégées par une partie de boítier, un capot ou autre organe analogue de recouvrement 11.The electrical appliance, part of which is shown schematically in the figure 1 comprises a housing made of insulating material 10 and several terminals with elastic cage Protected by a housing part, a cover or other similar member of recovery 11.

La borne A présente une pièce conductrice de support 12 portant sur une aile 12a une cage-ressort 13. La cage-ressort 13 comprend une aile d'appui 13a appliquée sur l'aile 12a de la pièce de support, une aile de serrage 13b et une boucle 13c ; l'aile de serrage 13b est reliée à l'aile d'appui 13a par la boucle 13c qui forme ressort et elle est dotée d'une fenêtre de serrage 13d dans laquelle pénètre et reste engagée l'extrémité de l'aile 13a. La fenêtre de serrage 13d présente un bord 13e applicable contre le côté de l'aile 12a opposé à celui qui porte l'aile 13a ; la fenêtre 13d sert à serrer au moins un conducteur C, avec effet de coincement entre le bord 13e et l'aile 12a. L'aile 12a de la pièce 12 peut offrir avantageusement une extrémité libre incurvée ou convexe 12e qui s'introduit dans la fenêtre 13d de la cage-ressort et facilite l'entrée du câble.Terminal A has a conductive support piece 12 bearing on a wing 12a a spring cage 13. The spring cage 13 comprises a support wing 13a applied on the wing 12a of the support piece, a clamping wing 13b and a loop 13c; the clamping wing 13b is connected to the support wing 13a by the loop 13c which forms a spring and it has a clamping window 13d into which enters and remains engaged the end of the wing 13a. Clamping window 13d has an edge 13e applicable against the side of the wing 12a opposite to that which carries the wing 13a; the window 13d is used to clamp at least one conductor C, with wedging effect between the edge 13th and wing 12a. The wing 12a of the part 12 can advantageously offer an end free curved or convex 12e which is introduced into the window 13d of the spring cage and facilitates cable entry.

La pièce conductrice de support 12 est en forme générale de U et présente l'aile 12a déjà mentionnée, ainsi qu'une âme 12b et une autre aile 12c. La pièce 12 est fixée par son âme 12b à la plage de connexion 14a d'une pièce conductrice principale 14 propre à l'appareil. La fixation s'effectue au moyen d'une vis 15 à tête 15a et corps fileté 15b ; la tête 15a est fraisée (figures 1 et 2) ou à dessous plat (figure 3). La tête 15a de la vis s'applique sur le bord périphérique d'un orifice 12d prévu dans l'âme 12b et le corps fileté 15b de la vis s'engage dans un trou taraudé 14b ménagé dans la plage de connexion 14a de la pièce principale ; le trou taraudé et la vis sont dimensionnés pour qu'on puisse substituer à la borne élastique considérée une borne usuelle à vis de serrage de conducteur. La tête 15a occupe une grande partie de la longueur a de l'âme 12b et permet à la vis d'occuper une faible place en hauteur tout en laissant dégagé un espace réservé à la cage élastique 13.The conductive support piece 12 is generally U-shaped and has the wing 12a already mentioned, as well as a core 12b and another wing 12c. The part 12 is fixed by its core 12b to the connection pad 14a of a main conductive part 14 specific to the device. The fixing is carried out by means of a screw 15 with head 15a and threaded body 15b; the head 15a is milled (Figures 1 and 2) or flat bottom (Figure 3). The head 15a of the screw is applied to the peripheral edge of an orifice 12d provided in the core 12b and the threaded body 15b of the screw engages in a tapped hole 14b formed in the connection area 14a of the part main; the tapped hole and the screw are dimensioned so that the elastic terminal in question can be substituted for a conventional terminal with a conductor clamping screw. The head 15a occupies a large part of the length a of the core 12b and allows the screw to occupy a small space in height while leaving a space reserved for the elastic cage 13.

La vis 15 peut être immobilisée par rapport à la pièce 12 par des moyens d'antidesserrage, autres que les filets usuels de son corps fileté 15b ; ces moyens peuvent être des crans, stries ou rainurages 15c prévus sur la face inférieure de la tête de vis 15a (voir figure 2). D'une autre manière, on peut prévoir des filets spécifiques de freinage 15d au voisinage de la tête 15a et juste au-dessous de celle-ci (voir figure 3). The screw 15 can be immobilized relative to the part 12 by anti-loosening means, other than the usual threads of its threaded body 15b; these means can be notches, ridges or grooves 15c provided on the underside of the head screw 15a (see figure 2). Alternatively, specific nets of braking 15d in the vicinity of the head 15a and just below it (see figure 3).

D'autres moyens peuvent contribuer à l'immobilisation ou au freinage de la vis sur la pièce de support 12 ou dans l'orifice taraudé 14b de la pièce conductrice principale 14, ces moyens venant d'enduction, de collage ou de soudage. L'aile 12c s'étend sensiblement parallèlement à l'aile 12a ou peut être légèrement inclinée par rapport à l'aile 12a. L'aile 12c forme une branche de guidage pour un outil B qui sert à déformer la boucle 13c (voir figure 1), afin de dégager une ouverture de la fenêtre 13d et d'assurer ainsi le passage du conducteur, ou pour une fiche de connexion D ; l'aile 12a présente avantageusement une extrémité libre convexe 12j (voir figure 5).Other means can contribute to the immobilization or braking of the screw on the support piece 12 or in the tapped hole 14b of the main conductive piece 14, these means coming from coating, bonding or welding. Wing 12c extends substantially parallel to the wing 12a or can be slightly inclined by compared to wing 12a. The wing 12c forms a guide branch for a tool B which serves to deform the loop 13c (see Figure 1), in order to clear an opening in the window 13d and thus ensure the passage of the conductor, or for a connection plug D; the wing 12a advantageously has a convex free end 12j (see figure 5).

Pour faciliter l'assemblage de la borne et réduire son encombrement, la pièce de support 12 en U peut avantageusement avoir initialement la forme indiquée sur la figure 2. L'aile 12a est ouverte, par exemple à 45°, pour permettre de placer la vis 15 dans l'orifice 12d de la pièce 12 et de la visser ensuite dans l'orifice 14b de la pièce 14. La cage-ressort 13 est mise en place sur la branche 12a de la pièce 12 alors maintenue ouverte avant que la vis ne soit introduite dans l'orifice 12d ; elle peut aussi être placée sur la branche 12a après que la vis a été introduite dans l'orifice 12d. Ensuite la vis est vissée dans le trou taraudé 14b de la pièce principale 14 de l'appareil, puis l'aile 12a est pliée pour prendre sa position sensiblement orthogonale à l'âme 12b. La disposition décrite permet de loger dans l'appareil des bornes de faible encombrement, puisque la distance a entre les ailes 12a et 12c de la pièce de support est réduite.To facilitate the assembly of the terminal and reduce its size, the U-shaped support part 12 can advantageously have initially the shape indicated in FIG. 2. The wing 12a is open, for example at 45 °, to allow the positioning of the screw 15 in the orifice 12d of the part 12 and then screw it into the orifice 14b of the part 14. The spring cage 13 is put in place on the branch 12a of the part 12 then held open before the screw is introduced into the orifice 12d; it can also be placed on the branch 12a after the screw has been introduced into the orifice 12d. Then the screw is screwed into the tapped hole 14b of the main part 14 of the device, then the wing 12a is bent to take its position substantially orthogonal to the core 12b. The arrangement described makes it possible to house terminals of small bulk, since the distance a between the wings 12a and 12c of the support piece is reduced.

La pièce de support 12 peut comporter (voir figures 3 et 4) des bras 12f venus de pliage à partir de l'aile 12c ou respectivement de l'aile 12a et s'étendant transversalement à ces ailes. Chaque bras est muni à son extrémité libre d'un doigt 12g qui peut être plié ou rabattu pour s'engager derrière l'aile 12a (respectivement derrière l'aile 12c) afin d'éviter une déformation de l'aile 12c quand l'outil B ou la fiche D s'applique contre elle. La pièce 12 conserve à l'opposé de l'âme 12b une large ouverture qui permet un accès satisfaisant aux conducteurs C, fiches D et outils B via des ouvertures appropriées 11c et 11b,d du capot 11.The support piece 12 can comprise (see FIGS. 3 and 4) arms 12f coming from folding from wing 12c or respectively from wing 12a and extending transversely to those wings. Each arm is provided at its free end with a 12g finger which can be folded or folded down to engage behind wing 12a (respectively behind the wing 12c) in order to avoid deformation of the wing 12c when the tool B or the plug D applies against it. The piece 12 keeps opposite the core 12b a wide opening which allows satisfactory access to conductors C, plugs D and tools B via appropriate openings 11c and 11b, d of the cover 11.

D'autre part, une mesure antirotation peut être prise pour empêcher la pièce 12 de pivoter par rapport à la pièce 14 ; il peut s'agir d'une simple butée de la pièce 12 contre le boítier ou le capot de l'appareil ; ou encore de picots 14c disposés sur la pièce 14 et coopérant avec des retraits 12h prévus dans la pièce 12 ou vice versa (voir figure 4) ou encore de pattes 12i venues de la pièce 12 et convenablement pliées pour s'appliquer des deux côtés contre la tranche de la pièce 14. La pièce 12 est obtenue par découpe dans un feuillard de tôle tel qu'indiqué figure 4.On the other hand, an anti-rotation measure can be taken to prevent the part 12 from pivot relative to the part 14; it can be a simple stop of the part 12 against the housing or cover of the device; or 14c pins arranged on the room 14 and cooperating with 12h withdrawals provided in room 12 or vice versa (see Figure 4) or legs 12i from part 12 and suitably folded to apply on both sides against the edge of piece 14. Piece 12 is obtained by cutting from a sheet of metal sheet as indicated in FIG. 4.

On a représenté sur la figure 5 une borne double conforme à l'invention. Les cages-ressort 13 sont logées l'une à côté de l'autre dans la pièce 12. Un bras raidisseur 16 en forme de pont prend racine sur l'aile 12c et prend appui par un épaulement 16a sur l'aile 12a, de sorte qu'il en résulte une meilleure rigidité pour la pièce de support et pour l'ensemble de la borne. On peut observer que la distance b prévue entre la boucle 13c de la cage-ressort 13 et la deuxième aile 12c est suffisante pour loger entre celles-ci une fiche de connexion D et que la disposition adoptée permet de loger en un même emplacement et sous un encombrement minimal une fiche d'alimentation D et un câble de départ C.FIG. 5 shows a double terminal according to the invention. Spring cages 13 are housed next to each other in room 12. A stiffening arm 16 in the form of a bridge takes root on the wing 12c and is supported by a shoulder 16a on the wing 12a, so that this results in better rigidity for the support part and for the whole terminal. We can observe that the distance b predicted between the loop 13c of the spring cage 13 and the second wing 12c is sufficient to accommodate between them a connection plug D and that the arrangement adopted makes it possible to house a power plug in the same location and with minimal space requirements D and a starting cable C.

La figure 6 montre une variante avantageuse de réalisation de la pièce de support 12. Celle-ci est destinée à recevoir deux cages élastiques côte-à-côte comme dans le cas de la figure 5, mais pourrait bien sûr recevoir une seule cage élastique. Deux bras 12f venant de pliage à partir de l'aile 12c s'étendent transversalement à celle-ci vers l'aile 12a pour s'encliqueter automatiquement sur cette dernière à la fermeture de la pièce de support 12 (voir flèche F1).Figure 6 shows an advantageous alternative embodiment of the support piece 12. This is intended to receive two elastic cages side by side as in the case of Figure 5, but could of course receive a single elastic cage. Of them arms 12f coming from folding from the wing 12c extend transversely to the latter to wing 12a to automatically snap onto wing when closing of the support piece 12 (see arrow F1).

Par exemple, chaque bras peut présenter à son extrémité libre un cran (ou ergot) 12k destiné à coopérer avec un ergot (ou cran) 121 disposé sur le côté de l'aile 12a, des rampes et faces de forme convenable étant prévues sur les crans et ergots pour faciliter l'accostage à l'assemblage (voir flèche F2) et confirmer après assemblage le blocage mutuel pour résister à tout effort d'ouverture de la pièce 12. Lorsque l'aile 12a est ouverte en position de réception des cages-ressort, les bras 12f restent à distance de celle-ci et, lorsque l'aile 12a est rabattue pour prendre sa position opératoire finale dans l'appareil, les bras sont encliquetés et restent retenus sur les ergots. En variante, les bras 12f peuvent présenter d'autres formes d'encliquetage, d'emboítement ou d'épaulement sur l'aile 12a.For example, each arm may have a notch (or lug) at its free end 12k intended to cooperate with a lug (or notch) 121 disposed on the side of the wing 12a, ramps and faces of suitable shape being provided on the notches and lugs to facilitate docking during assembly (see arrow F2) and confirm after assembly mutual blocking to resist any effort to open the part 12. When the wing 12a is open in the position for receiving the spring cages, the arms 12f stay away from it and, when the wing 12a is folded down to take its position final operation in the device, the arms are locked in place and remain retained on the pins. As a variant, the arms 12f may have other forms of latching, fitting or shoulder on the wing 12a.

Claims (9)

Appareil électrique comprenant des bornes de connexion à cage élastique dont chacune présente : une pièce conductrice de support portant près d'une extrémité une cage élastique, la cage comprenant une aile d'appui appliquée sur la pièce de support, une aile de serrage reliée à l'aile d'appui par une boucle formant ressort et dotée d'une fenêtre de serrage de conducteur par effet de coincement, caractérisé par le fait que : la pièce conductrice de support (12) est une pièce intermédiaire présentant une âme (12b) munie d'un orifice (12d) et assemblée à une pièce conductrice principale (14) propre à l'appareil, la pièce conductrice principale (14) comprend une plage de connexion (14a) à trou taraudé (14b) coaxial à l'orifice (12d) de l'âme (12b), tandis qu'une vis (15) traverse l'orifice (12d) et coopère avec le trou taraudé (14b) pour presser la pièce de support (12) sur la pièce principale (14). Electrical device comprising elastic cage connection terminals, each of which has: a conductive support piece carrying an elastic cage near one end, the cage comprising a support wing applied to the support piece, a clamping wing connected to the support wing by a spring loop and provided with a conductor clamping window by wedging effect, characterized by the fact that: the support conductive part (12) is an intermediate part having a core (12b) provided with an orifice (12d) and assembled with a main conductive part (14) specific to the device, the main conductive part (14) comprises a connection pad (14a) with a tapped hole (14b) coaxial with the orifice (12d) of the core (12b), while a screw (15) passes through the orifice ( 12d) and cooperates with the tapped hole (14b) to press the support part (12) on the main part (14). Appareil selon la revendication 1, caractérisé par le fait que la vis (15) présente des moyens d'antidesserrage assurant son immobilisation par rapport à la pièce de support (12).Apparatus according to claim 1, characterized in that the screw (15) has anti-loosening means ensuring its immobilization with respect to the workpiece support (12). Appareil selon la revendication 1, caractérisé par le fait que la vis (15) présente des moyens d'antidesserrage assurant son immobilisation par rapport à la pièce principale (14).Apparatus according to claim 1, characterized in that the screw (15) has anti-loosening means ensuring its immobilization with respect to the part main (14). Appareil selon la revendication 1, caractérisé par le fait que des éléments (12h,14c) empêchant la rotation de la pièce de support (12) sont associés à la pièce de support (12) et à la pièce principale (14). Apparatus according to claim 1, characterized in that elements (12h, 14c) preventing the rotation of the support piece (12) are associated with the piece support (12) and the main part (14). Appareil selon la revendication 1, caractérisé par le fait que la pièce de support (12) est sensiblement en forme de U, avec de part et d'autre de l'âme (12b) une première aile (12a) formant branche de connexion pour le câble (C) à connecter et portant la cage élastique (13), et une deuxième aile (12c) constituant une branche de guidage pour un outil de manoeuvre (B) ou une fiche de connexion (D).Apparatus according to claim 1, characterized in that the support piece (12) is substantially U-shaped, with on either side of the core (12b) a first wing (12a) forming connection branch for the cable (C) to be connected and carrying the elastic cage (13), and a second wing (12c) constituting a branch guide for an operating tool (B) or a connection plug (D). Appareil selon la revendication 5, caractérisé par le fait que la première aile (12a) de la pièce de support (12) est inclinée avant pose de la vis (15) de manière à ménager un passage pour la vis ou l'outil de manoeuvre de celle-ci, et est rabattue après pose de la cage-ressort (13) et de la vis (15) pour prendre une position sensiblement orthogonale à l'âme (12b).Apparatus according to claim 5, characterized in that the first wing (12a) of the support piece (12) is inclined before installing the screw (15) so as to spare a passage for the screw or the operating tool thereof, and is folded down after installation of the spring cage (13) and the screw (15) to take up a substantially position orthogonal to the core (12b). Appareil selon la revendication 5, caractérisé par le fait que la pièce de support (12) comporte au moins un bras de renfort (12f) plié à partir de l'une des ailes (12a,12c), transversalement vers l'autre aile (12c,12a), et bloqué par un élément de forme convenable (12g,12k ; 16a) contre celle-ci.Apparatus according to claim 5, characterized in that the support piece (12) has at least one reinforcing arm (12f) folded from one of the wings (12a, 12c), transversely to the other wing (12c, 12a), and blocked by an element of suitable form (12g, 12k; 16a) against it. Appareil selon la revendication 7, caractérisé par le fait que le bras de renfort (12f) est encliqueté automatiquement sur l'autre aile lors du rabattement de la première aile.Apparatus according to claim 7, characterized in that the reinforcing arm (12f) is automatically snapped onto the other wing when the first one folds down wing. Appareil selon la revendication 1, caractérisé par le fait que la pièce de support (12) est sensiblement en forme de U présentant de part et d'autre de son âme (12b) une première aile (12a) et une deuxième aile (12c), est ménagée pour recevoir deux cages élastiques (13) côte à côte dans une direction parallèle aux ailes et comprend au moins un bras de renfort (12f; 16) joignant les deux ailes (12a,12c), la distance (b) prévue entre la boucle (13c) d'une cage-ressort (13) et la deuxième aile (12c) étant suffisante pour loger entre celles-ci une fiche de connexion (D).Apparatus according to claim 1, characterized in that the support piece (12) is substantially U-shaped having on either side of its core (12b) a first wing (12a) and a second wing (12c) is provided to receive two elastic cages (13) side by side in a direction parallel to the wings and comprises at least one reinforcing arm (12f; 16) joining the two wings (12a, 12c), the distance (b) provided between the loop (13c) of a spring cage (13) and the second wing (12c) being sufficient to accommodate between them a connection plug (D).
EP98401683A 1997-07-21 1998-07-03 Electrical device with elastical cage-type terminals Expired - Lifetime EP0893847B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP01202574A EP1156551A1 (en) 1997-07-21 1998-07-03 Electrical apparatus having terminals fitted with elastic cages to receive connecting conductors

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9709397A FR2766298B1 (en) 1997-07-21 1997-07-21 ELECTRICAL APPARATUS WITH TERMINALS WITH ELASTIC CAGES
FR9709397 1997-07-21

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP01202574A Division EP1156551A1 (en) 1997-07-21 1998-07-03 Electrical apparatus having terminals fitted with elastic cages to receive connecting conductors

Publications (2)

Publication Number Publication Date
EP0893847A1 true EP0893847A1 (en) 1999-01-27
EP0893847B1 EP0893847B1 (en) 2002-03-20

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ID=9509565

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EP01202574A Ceased EP1156551A1 (en) 1997-07-21 1998-07-03 Electrical apparatus having terminals fitted with elastic cages to receive connecting conductors
EP98401683A Expired - Lifetime EP0893847B1 (en) 1997-07-21 1998-07-03 Electrical device with elastical cage-type terminals

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP01202574A Ceased EP1156551A1 (en) 1997-07-21 1998-07-03 Electrical apparatus having terminals fitted with elastic cages to receive connecting conductors

Country Status (7)

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EP (2) EP1156551A1 (en)
JP (1) JP4124865B2 (en)
KR (1) KR100317686B1 (en)
CN (1) CN1125504C (en)
DE (1) DE69804275T2 (en)
ES (1) ES2172098T3 (en)
FR (1) FR2766298B1 (en)

Cited By (3)

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Publication number Priority date Publication date Assignee Title
ES2157819A1 (en) * 1999-08-13 2001-08-16 Tecnica De Conexiones S A Connection terminal end for luminaries
JP2002541615A (en) * 1999-02-05 2002-12-03 シュネーデル、エレクトリック、インダストリーズ、エスアーエス Electric switch system
EP2009745A1 (en) * 2007-06-29 2008-12-31 Siemens Aktiengesellschaft Electrical device with spring clip unit

Families Citing this family (4)

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Publication number Priority date Publication date Assignee Title
JP4898483B2 (en) * 2007-02-16 2012-03-14 東芝エレベータ株式会社 Lighting unit, lighting device, and elevator ride
FR3046702B1 (en) * 2016-01-08 2019-07-26 Tyco Electronics Services Gmbh CONNECTION TERMINAL FOR AN ELECTRIC APPARATUS EQUIPPED WITH A CLAMP OF A CLAMP OF AMAGNETIC MATERIAL
DE202016100281U1 (en) * 2016-01-21 2017-01-26 Hora-Werk Gmbh Busbar aisle clamp with spring-loaded technology
CN113488825A (en) * 2021-07-02 2021-10-08 苏州思科赛德电子科技有限公司 Lever type line pressing tool

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US1688182A (en) * 1926-04-14 1928-10-16 Harmon C Shear Terminal connecter
DE3504317A1 (en) * 1985-02-08 1986-08-14 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Terminal for electrical conductors
US4708417A (en) * 1985-10-09 1987-11-24 Oskar Woertz, Inhaber Hans Woertz Threadless electric terminal
EP0487365A1 (en) * 1990-11-22 1992-05-27 Rapid S.A. Positioning wedge for blocking of an electric cable terminal

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US5184100A (en) * 1990-04-26 1993-02-02 Fuji Electric Co., Ltd. Circuit breaker

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Publication number Priority date Publication date Assignee Title
US1688182A (en) * 1926-04-14 1928-10-16 Harmon C Shear Terminal connecter
DE3504317A1 (en) * 1985-02-08 1986-08-14 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Terminal for electrical conductors
US4708417A (en) * 1985-10-09 1987-11-24 Oskar Woertz, Inhaber Hans Woertz Threadless electric terminal
EP0487365A1 (en) * 1990-11-22 1992-05-27 Rapid S.A. Positioning wedge for blocking of an electric cable terminal

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002541615A (en) * 1999-02-05 2002-12-03 シュネーデル、エレクトリック、インダストリーズ、エスアーエス Electric switch system
US6663441B1 (en) 1999-02-05 2003-12-16 Schneider Electric Industries Sa Electric switch appliance and quick-assembly
RU2222069C2 (en) * 1999-02-05 2004-01-20 Шнейдер Электрик Эндюстри Са Electric switch and quickly assembled unit
ES2157819A1 (en) * 1999-08-13 2001-08-16 Tecnica De Conexiones S A Connection terminal end for luminaries
EP2009745A1 (en) * 2007-06-29 2008-12-31 Siemens Aktiengesellschaft Electrical device with spring clip unit

Also Published As

Publication number Publication date
JPH11121055A (en) 1999-04-30
KR19990014000A (en) 1999-02-25
DE69804275T2 (en) 2002-10-17
CN1209663A (en) 1999-03-03
JP4124865B2 (en) 2008-07-23
KR100317686B1 (en) 2002-02-19
DE69804275D1 (en) 2002-04-25
EP1156551A1 (en) 2001-11-21
ES2172098T3 (en) 2002-09-16
CN1125504C (en) 2003-10-22
EP0893847B1 (en) 2002-03-20
FR2766298A1 (en) 1999-01-22
FR2766298B1 (en) 1999-09-17

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