EP0632474B1 - Control or signaling unit having terminals - Google Patents

Control or signaling unit having terminals Download PDF

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Publication number
EP0632474B1
EP0632474B1 EP94401398A EP94401398A EP0632474B1 EP 0632474 B1 EP0632474 B1 EP 0632474B1 EP 94401398 A EP94401398 A EP 94401398A EP 94401398 A EP94401398 A EP 94401398A EP 0632474 B1 EP0632474 B1 EP 0632474B1
Authority
EP
European Patent Office
Prior art keywords
unit according
conductive parts
fitted
contact
screws
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.)
Expired - Lifetime
Application number
EP94401398A
Other languages
German (de)
French (fr)
Other versions
EP0632474B2 (en
EP0632474A1 (en
Inventor
Patrick Cuingnet
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
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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/02—Bases, casings, or covers
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/02—Details
    • H01H13/023—Light-emitting indicators
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/02—Details
    • H01H13/04—Cases; Covers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/58—Electric connections to or between contacts; Terminals
    • H01H1/5855—Electric connections to or between contacts; Terminals characterised by the use of a wire clamping screw or nut
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/02—Bases, casings, or covers
    • H01H9/0264—Protective covers for terminals

Definitions

  • the present invention relates to a command and / or signaling unit of the screw terminal type intended for command and control systems of electrical or electronic installations or apparatus.
  • One-piece push-button switches are known, such as those of patent FR 2 616 265 or one-piece indicator lights such as those of patent FR 2 616 207.
  • the one-piece design allows direct mounting, from the front, on a switchboard. or a wall. However, the screw clamps used to connect the conductors are not protected.
  • Document DE-83 32 474.7 describes a control or signaling unit comprising a cap protecting two screw terminals.
  • Each terminal is constituted by a connection block in which an opening for the passage of the wire is made.
  • a tapped hole opens into the opening and receives a clamping screw which clamps the wire at its end, the latter being in contact with the wire.
  • the connection possibilities are limited to the diameter of the passage opening.
  • Each terminal is fixed by screw on a transverse partition which does not allow to accommodate a movable pusher or lamp supply parts integral with the terminals.
  • the object of the present invention is to provide control and / or signaling units of monolithic or monobloc design and equipped with protected screw-stirrups.
  • the arrangement of these units has advantages in terms of cost and mounting and wiring is carried out easily.
  • the object of the invention is in particular to provide switches having double break contacts.
  • the screw terminal unit comprises a monobloc body forming a flange provided with an external thread allowing mounting by nut on a support and wrapped at the rear by a cap cut out by openings for passage of the wires.
  • wiring and access to screws whose axes are parallel to the axis of symmetry of the body and is characterized by the fact that the screws cooperate with connection areas of conductive parts folded and maintained, eccentrically, relative to the axis of symmetry, in the body, the latter providing a cylindrical interior housing which is open on the side of the conductive parts so as to allow the passage of at least one movable contact pusher or a movable contact pusher and a light component or a light component.
  • the guide body in translation, in its housing, a hollow cylindrical movable plunger provided with at least one lateral extension forming a cage in which is mounted a contact bridge cooperating with contacts fixed to the conductive parts.
  • the unit comprises four conductive parts provided with fixed contacts and the pusher comprises two lateral cage extensions for two contact bridges.
  • the unit comprises two conductive parts provided with fixed contacts and two conductive parts supplying a light component.
  • the unit comprises a cap enveloping the rear of the body and pierced, laterally, by lights allowing the passage of the conductors intended to be connected to the terminals and, at the rear, by openings adapted to the passage of '' a tool for tightening the screws.
  • the control and / or signaling units illustrated by the drawings each comprise a one-piece body 1 of plastic material centered on an axis XX ′.
  • This body 1 comprises at the front a cylindrical flange consisting, at the front, of a cylindrical part 11 of large diameter and, at the rear, of a cylindrical part 12 of smaller diameter, these two parts being joined by a shoulder.
  • a cylindrical internal bore 13 centered on X-X ' is formed in the body 1.
  • the cylindrical part 12 of small diameter has an external thread on which a nut 31 is screwed serving to fix the unit in a wall or table opening.
  • a seal 32 is fitted on the cylindrical part 12 while being pressed against the shoulder formed by the flange.
  • the unit is mounted on a wall or a panel by introducing the cylindrical part 12 into a hole in the wall or the panel so that the shoulder of the flange comes to rest against the front face of the wall.
  • the nut 31 is then screwed against the rear face of the wall by enclosing the latter and compressing the seal 32.
  • the control and / or signaling unit comprises conductive parts 6a, 6b, 7a, 7b provided with screw terminals and held on the body 1.
  • Each conductive part has a connection area in which a push-back and an opening have been made. tapped to receive a screw head which also passes through a tightening clip associated therewith.
  • the screws marked 61a, 61b, 71a, 71b have axes parallel to the axis XX 'and the screw heads are oriented towards the rear of the unit.
  • Each conductive part is formed by a blade folded so as to constitute the connection area.
  • the cylindrical bore 13 is open and not partitioned on the side of the conductive parts 6a, 6b, 7a, 7b so as to accommodate either a push button or conductive extensions for a lamp.
  • the body 1 has behind the flange 11-12, a frame formed by two longitudinal tie rods 14 joined to each other by a rear bracing 15.
  • This frame carries the conductive parts 6a, 6b, 7a, 7b according to the versions.
  • stirrup 62a or 62b or 72a or 72b which has a hole for the passage of the screw and has an external polygonal or circular shape (washer) suitable for mounting in a protective cap 2 which will be described below in detail.
  • washer an external polygonal or circular shape suitable for mounting in a protective cap 2 which will be described below in detail.
  • FIGS. 4 and 5 it will be noted, for example, that the external shape of the stirrups is octagonal.
  • the control unit ensuring the switch function comprises conductive parts marked 6a and 6b which carry the clamp screws and are provided with fixed contacts.
  • Each conductive part 6a or 6b has a U shape, one branch of which constitutes a connection pad 66a or 66b and the other branch of which carries a fixed contact 65a or 65b.
  • the screws 61a and 61b are respectively screwed onto the connection pads 66a and 66b.
  • the fixed contacts cooperate with mobile contacts mounted on a mobile pusher 4 used to operate the contacts.
  • This pusher is housed in the bore 13 of the body 1 so as to be guided in translation, along the axis XX ′.
  • a spring 51 is housed in the annular space between the cylindrical part of the bottom of the pusher 4 and the bore 13. The spring 51 therefore tends to push the pusher 4 forward to a front end position , determined by a stop.
  • a seal 52 is housed in an annular groove formed on the periphery of the pusher 4. This seal 52 slides, by rubbing, in the bore 13 and provides sealing.
  • the pusher 4 carries one or two contact bridges 9 equipped with movable contacts cooperating with fixed contacts of the conductive parts 6a, 6b carrying the screw clamps.
  • Each movable contact bridge 9 is mounted in a lateral extension forming a cage 42 and integral with the pusher 4.
  • a spring 92 is compressed between the cage 42 and the contact bridge 9 to ensure the contact pressure and allow the deflections of the pusher.
  • the two conductive parts 6a or 6b associated with the same bridge are mounted head to tail, eccentrically with respect to a plane passing through X-X '.
  • the extension and the cage 42 of the pusher are eccentric relative to the axis XX ′.
  • this arrangement makes it possible to free the central space occupied by the electrical supply from the base outlet.
  • the pusher 4 In the rest position, the pusher 4 is in the front position under the action of the spring 51. When the pusher 4 and the cap 44 are pressed, the contact bridge 9 is moved backwards and the contacts open or close.
  • the unit ensuring the signaling function comprises conductive parts 7a and 7b which serve to supply a light component 8 which is housed in the bore 41 of the pusher 4.
  • this component is a lamp incandescent with a bayonet or screw base.
  • this light component could be a neon lamp or a light emitting diode.
  • the conductive part 7a is provided with a socket 75 used to lock the lamp 8 and carries a screw 71a and the associated bracket 72b.
  • the electrical connection between the second screw terminal 71 b and the contact pad which projects from the bottom of the lamp base is provided by the conductive part 7b and by means of an elastic contact spring 73 which is centered on axis XX 'and presses on this pad.
  • the conductive part 7a extends away from the axis X-X 'while the contact spring 73 is centered on X-X'.
  • the socket 75 When the socket 75 is adapted to a bayonet lamp, it has grooves adapted to the lateral pins of the base. When it is adapted to a screw lamp, it has an internal thread allowing the screwing of the lamp base.
  • the control and signaling unit of FIGS. 1 to 4 has a push button switch and an indicator light supplied by the screw terminals 71a and 71b.
  • the pusher 4 is closed, at the front, by a cap 44.
  • This cap which is made of transparent plastic, colored or not, is fixed, by screwing, to the pusher 4 whose bore 41 which is centered on XX 'is open on said cabochon.
  • the mobile cylindrical pusher 4 is provided with at least one lateral extension forming a cage 42 in which is mounted a contact bridge 9 cooperating with contacts fixed to the conductive parts 6a, 6b.
  • the control unit of Figures 5 to 8 has two conductive parts 6a provided with fixed contacts and two conductive parts 6b each provided with a fixed contact.
  • the pusher 4 has two lateral extensions forming two cages 42 in which are mounted two contact bridges 9. Furthermore, the pusher 4 has, at the front, a front support pad 46 serving as a support button.
  • the two pairs of screw terminals 61a and 61b are used in this case for the current supply of the two contacts. It will be noted that one of the contacts is of the "closed” type and that the other is of the "open" type.
  • the key 46 is in one piece with the pusher 4, in the variant of Figure 8, the key 46 is attached and fixed to the pusher 4 which allows to change the color of the key .
  • the control unit of Figure 9 has a rotary button 46 which moves the pusher 4 in translation.
  • the indicator shown in Figures 10 to 12 has a cap 44 which is fixed on the body 1. This extends downwards by the frame 14 serving to support the terminals, the socket 75 and the conductive parts.
  • the conductive parts are supported by the framework of the one-piece body 1.
  • the central outlet stud of the base is in contact with the spring 73 mounted on the conductive part 7b on which the screw 71b and the associated stirrup 72b are mounted.
  • the rear frame of the body 1 is fitted into a cover 2 which envelops it.
  • This cap 2 made of plastic has a generally cylindrical shape. Note that the outside diameter of this cap is less than the outside diameter of the threaded portion 12 so as to allow direct mounting of the unit on a table or a wall.
  • connection between the frame of the body 1 and the rear cover 2 is effected by any suitable fixing means.
  • the cylindrical wall of the cover 2 has openings 23 and 24 allowing the passage of conductors intended to be connected to the terminals while the bottom of the cover has openings 21 and 22 which allow the passage of a screwdriver so as to tighten the screws 61a, 61b, 71a, 71b.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Push-Button Switches (AREA)

Description

La présente invention se rapporte à une unité de commande et/ou de signalisation de type à bornes à vis destinée à des systèmes de commande et de contrôle d'installations ou d'appareils électriques ou électroniques.The present invention relates to a command and / or signaling unit of the screw terminal type intended for command and control systems of electrical or electronic installations or apparatus.

Dans de telles installations, on a besoin pour mettre les circuits sous ou hors tension ainsi que pour signaler l'état de tension, les bons fonctionnements ou l'apparition de défauts, d'unités de commande et/ou de signalisation à bornes: interrupteurs à bouton-poussoir, interrupteurs à bouton-poussoir et voyant intégré, voyants.In such installations, there is a need to put the circuits on or off as well as to signal the voltage state, correct operation or the appearance of faults, control units and / or signaling with terminals: switches with push button, push button switches and integrated indicator, indicator lights.

On connaît des unités utilisées pour la commande ou pour la commande et la signalisation qui se composent d'une tête et d'un bloc contenant soit les contacts soit le composant lumineux, ces deux parties pouvant être séparées ou réunies l'une à l'autre. Le brevet EP n° 0 342 703 illustre ce type de conception qui permet d'obtenir une grande variété de produits.There are known units used for control or for control and signaling which consist of a head and a block containing either the contacts or the light component, these two parts being able to be separated or joined together. other. EP patent n ° 0 342 703 illustrates this type of design which makes it possible to obtain a wide variety of products.

On connaît des interrupteurs à bouton-poussoir monoblocs tels que ceux du brevet FR 2 616 265 ou des voyants de signalisation monoblocs tels que ceux du brevet FR 2 616 207. La conception monobloc permet le montage direct, par l'avant, sur un tableau ou une paroi. Toutefois les vis-étriers servant aux branchements des conducteurs ne sont pas protégées.One-piece push-button switches are known, such as those of patent FR 2 616 265 or one-piece indicator lights such as those of patent FR 2 616 207. The one-piece design allows direct mounting, from the front, on a switchboard. or a wall. However, the screw clamps used to connect the conductors are not protected.

Le document DE-83 32 474.7 décrit une unité de commande ou signalisation comportant un capuchon protégeant deux bornes à vis. Chaque borne est constituée par un bloc de raccordement dans laquelle est pratiquée une ouverture de passage du fil. Un trou taraudé débouche dans l'ouverture et reçoit une vis de serrage qui serre le fil par son extrémité, celle-ci étant au contact du fil. Les possibilités de raccordement sont limitées au diamètre de l'ouverture de passage. Chaque borne est fixée par vis sur une cloison transversale qui ne permet pas de loger un poussoir mobile ou des pièces d'alimentation d'une lampe solidaires des bornes.Document DE-83 32 474.7 describes a control or signaling unit comprising a cap protecting two screw terminals. Each terminal is constituted by a connection block in which an opening for the passage of the wire is made. A tapped hole opens into the opening and receives a clamping screw which clamps the wire at its end, the latter being in contact with the wire. The connection possibilities are limited to the diameter of the passage opening. Each terminal is fixed by screw on a transverse partition which does not allow to accommodate a movable pusher or lamp supply parts integral with the terminals.

La présente invention a pour but de fournir des unités de commande et/ou de signalisation de conception monolithique ou monobloc et équipées de vis-étriers protégées. L'agencement de ces unités présente des avantages du point du coût et du montage et câblage s'effectue facilement. L'invention a pour but en particulier de fournir des interrupteurs présentant des contacts à rupture double.The object of the present invention is to provide control and / or signaling units of monolithic or monobloc design and equipped with protected screw-stirrups. The arrangement of these units has advantages in terms of cost and mounting and wiring is carried out easily. The object of the invention is in particular to provide switches having double break contacts.

L'unité à bornes à vis selon l'invention comporte un corps monobloc formant une collerette pourvue d'un filetage extérieur permettant le montage par écrou sur un support et enveloppé à l'arrière par un capuchon découpé par des ouvertures de passage des fils de câblage et d'accès aux vis dont les axes sont parallèles à l'axe de symétrie du corps et est caractérisée par le fait que les vis coopèrent avec des plages de raccordement de pièces conductrices pliées et maintenues, de manière excentrée, par rapport à l'axe de symétrie, dans le corps, celui-ci ménageant un logement intérieur cylindrique qui est ouvert du côté des pièces conductrices de manière à permettre le passage d'au moins un poussoir de contacts mobiles ou d'un poussoir de contacts mobiles et d'un composant lumineux ou d'un composant lumineux.The screw terminal unit according to the invention comprises a monobloc body forming a flange provided with an external thread allowing mounting by nut on a support and wrapped at the rear by a cap cut out by openings for passage of the wires. wiring and access to screws whose axes are parallel to the axis of symmetry of the body and is characterized by the fact that the screws cooperate with connection areas of conductive parts folded and maintained, eccentrically, relative to the axis of symmetry, in the body, the latter providing a cylindrical interior housing which is open on the side of the conductive parts so as to allow the passage of at least one movable contact pusher or a movable contact pusher and a light component or a light component.

Selon une caractéristique, le corps guide en translation, dans son logement, un poussoir mobile cylindrique creux pourvu d'au moins un prolongement latéral formant une cage dans laquelle est monté un pont de contacts coopérant avec des contacts fixés aux pièces conductrices.According to one characteristic, the guide body in translation, in its housing, a hollow cylindrical movable plunger provided with at least one lateral extension forming a cage in which is mounted a contact bridge cooperating with contacts fixed to the conductive parts.

Selon une caractéristique, l'unité comporte quatre pièces conductrices munies de contacts fixes et le poussoir comporte deux prolongements latéraux à cage pour deux ponts de contacts.According to one characteristic, the unit comprises four conductive parts provided with fixed contacts and the pusher comprises two lateral cage extensions for two contact bridges.

Selon une caractéristique, l'unité comporte deux pièces conductrices munies de contacts fixes et deux pièces conductrices d'alimentation d'un composant lumineux.According to one characteristic, the unit comprises two conductive parts provided with fixed contacts and two conductive parts supplying a light component.

Selon une caractéristique, l'unité comporte une coiffe enveloppant l'arrière du corps et percée, latéralement, par des lumières permettant le passage des conducteurs destinés à être branchés sur les bornes et, à l'arrière, par des ouvertures adaptées au passage d'un outil permettant de visser les vis.According to one characteristic, the unit comprises a cap enveloping the rear of the body and pierced, laterally, by lights allowing the passage of the conductors intended to be connected to the terminals and, at the rear, by openings adapted to the passage of '' a tool for tightening the screws.

L'invention va maintenant être décrite avec plus de détail en se référant à des modes de réalisation donnés à titre d'exemples et représentés par les dessins annexés sur lesquels:

  • la figure 1 est une coupe axiale d'un interrupteur à bouton-poussoir et voyant lumineux incorporé conforme à l'invention;
  • la figure 2 est une coupe axiale selon II-II de la figure 1;
  • la figure 3 est une vue en perspective de l'interrupteur à bouton-poussoir des figures 1 et 2;
  • la figure 4 est une vue de l'arrière de l'interrupteur des figures 1 et 2;
  • la figure 5 est une coupe axiale d'un interrupteur à bouton-poussoir (à deux contacts) selon l'invention;
  • la figure 6 est une coupe axiale selon IV-IV de la figure 5;
  • la figure 7 est une coupe selon VIII-VIII des figures 5 et 6;
  • la figure 8 est une vue en perspective d'une variante de l'interrupteur à bouton-poussoir des figures 5 et 6;
  • la figure 9 est une vue en perspective éclatée d'une unité de commande à bouton tournant;
  • la figure 10 est une coupe axiale d'un voyant lumineux selon l'invention;
  • la figure 11 est une coupe axiale selon VI-VI de la figure 10;
  • la figure 12 est une vue en perspective éclatée du voyant lumineux des figures 10 et 11.
The invention will now be described in more detail with reference to embodiments given by way of examples and represented by the appended drawings in which:
  • Figure 1 is an axial section of a push button switch and incorporated indicator light according to the invention;
  • Figure 2 is an axial section along II-II of Figure 1;
  • Figure 3 is a perspective view of the push button switch of Figures 1 and 2;
  • Figure 4 is a rear view of the switch of Figures 1 and 2;
  • Figure 5 is an axial section of a push button switch (two contacts) according to the invention;
  • Figure 6 is an axial section along IV-IV of Figure 5;
  • Figure 7 is a section along VIII-VIII of Figures 5 and 6;
  • Figure 8 is a perspective view of a variant of the push button switch of Figures 5 and 6;
  • Figure 9 is an exploded perspective view of a rotary button control unit;
  • Figure 10 is an axial section of a light indicator according to the invention;
  • Figure 11 is an axial section along VI-VI of Figure 10;
  • FIG. 12 is an exploded perspective view of the indicator light of FIGS. 10 and 11.

Les unités de commande et/ou de signalisation illustrées par les dessins comportent chacune un corps monobloc 1 en matière plastique centré sur un axe X-X'. Ce corps 1 comprend à l'avant une collerette cylindrique constituée, à l'avant, d'une partie cylindrique 11 de grand diamètre et, à l'arrière, d'une partie cylindrique 12 de plus petit diamètre, ces deux parties étant réunies par un épaulement. Un alésage intérieur cylindrique 13 centré sur X-X' est ménagé dans le corps 1. La partie cylindrique 12 de petit diamètre présente un filetage extérieur sur lequel se visse un écrou 31 servant à fixer l'unité dans une ouverture de paroi ou de tableau. Un joint d'étanchéité 32 est emmanché sur la partie cylindrique 12 tout en étant plaqué contre l'épaulement formé par la collerette.The control and / or signaling units illustrated by the drawings each comprise a one-piece body 1 of plastic material centered on an axis XX ′. This body 1 comprises at the front a cylindrical flange consisting, at the front, of a cylindrical part 11 of large diameter and, at the rear, of a cylindrical part 12 of smaller diameter, these two parts being joined by a shoulder. A cylindrical internal bore 13 centered on X-X 'is formed in the body 1. The cylindrical part 12 of small diameter has an external thread on which a nut 31 is screwed serving to fix the unit in a wall or table opening. A seal 32 is fitted on the cylindrical part 12 while being pressed against the shoulder formed by the flange.

Le montage de l'unité sur une paroi ou un tableau s'effectue en introduisant la partie cylindrique 12 dans un trou de la paroi ou du tableau de manière que l'épaulement de la collerette vienne se plaquer contre la face avant de la paroi. L'écrou 31 est ensuite vissé contre la face arrière de la paroi en enserrant celle-ci et en comprimant le joint 32.The unit is mounted on a wall or a panel by introducing the cylindrical part 12 into a hole in the wall or the panel so that the shoulder of the flange comes to rest against the front face of the wall. The nut 31 is then screwed against the rear face of the wall by enclosing the latter and compressing the seal 32.

L'unité de commande et/ou signalisation comporte des pièces conductrices 6a, 6b, 7a, 7b pourvues de bornes à vis et maintenues sur le corps 1. Chaque pièce conductrice présente une plage de raccordement dans laquelle ont été pratiquées un repoussage et une ouverture taraudée pour recevoir une tête de vis traversant par ailleurs un étrier de serrage qui lui est associé. Les vis repérées 61a, 61b, 71a, 71b présentent des axes parallèles à l'axe X-X' et les têtes de vis sont orientées vers l'arrière de l'unité. Chaque pièce conductrice est constituée par une lame pliée de manière à constituer la plage de raccordement.The control and / or signaling unit comprises conductive parts 6a, 6b, 7a, 7b provided with screw terminals and held on the body 1. Each conductive part has a connection area in which a push-back and an opening have been made. tapped to receive a screw head which also passes through a tightening clip associated therewith. The screws marked 61a, 61b, 71a, 71b have axes parallel to the axis XX 'and the screw heads are oriented towards the rear of the unit. Each conductive part is formed by a blade folded so as to constitute the connection area.

L'alésage cylindrique 13 est ouvert et non cloisonné du côté des pièces conductrices 6a, 6b, 7a, 7b de manière à loger soit un poussoir soit des prolongements conducteurs pour une lampe.The cylindrical bore 13 is open and not partitioned on the side of the conductive parts 6a, 6b, 7a, 7b so as to accommodate either a push button or conductive extensions for a lamp.

Le corps 1 présente en arrière de la collerette 11-12, une ossature constituée par deux tirants longitudinaux 14 réunis l'un à l'autre par un entretoisement arrière 15. Cette ossature porte les pièces conductrices 6a, 6b, 7a, 7b selon les versions.The body 1 has behind the flange 11-12, a frame formed by two longitudinal tie rods 14 joined to each other by a rear bracing 15. This frame carries the conductive parts 6a, 6b, 7a, 7b according to the versions.

Chaque vis traverse un étrier 62a ou 62b ou 72a ou 72b qui présente un trou de passage de la vis et a une forme extérieure polygonale ou circulaire (rondelle) adaptée au montage dans une coiffe de protection 2 qui sera décrite ci-dessous de manière détaillée. Sur les figures 4 et 5 on notera par exemple que la forme extérieure des étriers est octogonale.Each screw passes through a stirrup 62a or 62b or 72a or 72b which has a hole for the passage of the screw and has an external polygonal or circular shape (washer) suitable for mounting in a protective cap 2 which will be described below in detail. . In FIGS. 4 and 5, it will be noted, for example, that the external shape of the stirrups is octagonal.

L'unité de commande assurant la fonction interrupteur comprend des pièces conductrices repérées 6a et 6b qui portent les vis-étriers et sont munies de contacts fixes. Chaque pièce conductrice 6a ou 6b a une forme en U dont une branche constitue une plage de raccordement 66a ou 66b et dont l'autre branche porte un contact fixe 65a ou 65b. Les vis 61a et 61b se vissent respectivement sur les plages de raccordement 66a et 66b. Les contacts fixes coopèrent avec des contacts mobiles montés sur un poussoir mobile 4 servant à manoeuvrer les contacts. Ce poussoir se loge dans l'alésage 13 du corps 1 de manière à être guidé en translation, selon l'axe X-X'. Un ressort 51 est logé dans l'espace annulaire compris entre la partie cylindrique du bas du poussoir 4 et l'alésage 13. Le ressort 51 tend donc à repousser le poussoir 4 vers l'avant jusqu'à une position de fin de course avant, déterminée par une butée.The control unit ensuring the switch function comprises conductive parts marked 6a and 6b which carry the clamp screws and are provided with fixed contacts. Each conductive part 6a or 6b has a U shape, one branch of which constitutes a connection pad 66a or 66b and the other branch of which carries a fixed contact 65a or 65b. The screws 61a and 61b are respectively screwed onto the connection pads 66a and 66b. The fixed contacts cooperate with mobile contacts mounted on a mobile pusher 4 used to operate the contacts. This pusher is housed in the bore 13 of the body 1 so as to be guided in translation, along the axis XX ′. A spring 51 is housed in the annular space between the cylindrical part of the bottom of the pusher 4 and the bore 13. The spring 51 therefore tends to push the pusher 4 forward to a front end position , determined by a stop.

Un joint d'étanchéité 52 est logé dans une gorge annulaire ménagée sur la périphérie du poussoir 4. Ce joint 52 coulisse, en frottant, dans l'alésage 13 et assure l'étanchéité.A seal 52 is housed in an annular groove formed on the periphery of the pusher 4. This seal 52 slides, by rubbing, in the bore 13 and provides sealing.

Le poussoir 4 porte un ou deux ponts de contacts 9 équipés de contacts mobiles coopérant avec des contacts fixes des pièces conductrices 6a, 6b portant les vis-étriers. Chaque pont de contacts mobiles 9 est monté dans un prolongement latéral formant une cage 42 et solidaire du poussoir 4. Un ressort 92 est comprimé entre la cage 42 et le pont de contacts 9 pour assurer la pression de contact et autoriser les débattements du poussoir. Les deux pièces conductrices 6a ou 6b associées à un même pont sont montées tête-bêche, de manière excentrée par rapport à un plan passant par X-X'.The pusher 4 carries one or two contact bridges 9 equipped with movable contacts cooperating with fixed contacts of the conductive parts 6a, 6b carrying the screw clamps. Each movable contact bridge 9 is mounted in a lateral extension forming a cage 42 and integral with the pusher 4. A spring 92 is compressed between the cage 42 and the contact bridge 9 to ensure the contact pressure and allow the deflections of the pusher. The two conductive parts 6a or 6b associated with the same bridge are mounted head to tail, eccentrically with respect to a plane passing through X-X '.

Le prolongement et la cage 42 du poussoir sont excentrés par rapport à l'axe X-X'. En particulier dans les versions à voyant lumineux cette disposition permet de dégager l'espace central occupé par l'alimentation électrique de la sortie de culot.The extension and the cage 42 of the pusher are eccentric relative to the axis XX ′. In particular in the versions with indicator light, this arrangement makes it possible to free the central space occupied by the electrical supply from the base outlet.

En position de repos, le poussoir 4 est en position avant sous l'action du ressort 51. Lorsqu'on enfonce le poussoir 4 et le cabochon 44, le pont de contacts 9 est déplacé vers l'arrière et les contacts s'ouvrent ou se ferment.In the rest position, the pusher 4 is in the front position under the action of the spring 51. When the pusher 4 and the cap 44 are pressed, the contact bridge 9 is moved backwards and the contacts open or close.

L'unité assurant la fonction signalisation comporte des pièces conductrices 7a et 7b qui servent à l'alimentation d'un composant lumineux 8 qui se loge dans l'alésage 41 du poussoir 4. Dans les modes de réalisation représentés, ce composant est une lampe à incandescence présentant un culot à baïonnette ou à vis. En variante, ce composant lumineux pourrait être une lampe au néon ou une diode électroluminescente. La pièce conductrice 7a est pourvue d'une douille 75 servant à verrouiller la lampe 8 et porte une vis 71 a et l'étrier associé 72b. La liaison électrique entre la seconde borne à vis 71 b et le plot de contact qui fait saillie sur le bas du culot de lampe est assurée par la pièce conductrice 7b et par l'intermédiaire d'un ressort élastique de contact 73 qui est centré sur l'axe X-X' et appuie sur ce plot. La pièce conductrice 7a s'étend à l'écart de l'axe X-X' tandis que le ressort de contact 73 est centré sur X-X'. Lorsqu'on met en place une lampe 8 en la verrouillant dans la douille 75, le ressort de contact 73 est comprimé.The unit ensuring the signaling function comprises conductive parts 7a and 7b which serve to supply a light component 8 which is housed in the bore 41 of the pusher 4. In the embodiments shown, this component is a lamp incandescent with a bayonet or screw base. Alternatively, this light component could be a neon lamp or a light emitting diode. The conductive part 7a is provided with a socket 75 used to lock the lamp 8 and carries a screw 71a and the associated bracket 72b. The electrical connection between the second screw terminal 71 b and the contact pad which projects from the bottom of the lamp base is provided by the conductive part 7b and by means of an elastic contact spring 73 which is centered on axis XX 'and presses on this pad. The conductive part 7a extends away from the axis X-X 'while the contact spring 73 is centered on X-X'. When a lamp 8 is put in place by locking it in the socket 75, the contact spring 73 is compressed.

Lorsque la douille 75 est adaptée à une lampe à baïonnette, elle présente des gorges adaptées aux ergots latéraux du culot. Lorsqu'elle est adaptée à une lampe à vis, elle présente un filetage intérieur permettant le vissage du culot de lampe.When the socket 75 is adapted to a bayonet lamp, it has grooves adapted to the lateral pins of the base. When it is adapted to a screw lamp, it has an internal thread allowing the screwing of the lamp base.

L'unité de commande et de signalisation des figures 1 à 4, présente un interrupteur à bouton poussoir et un voyant lumineux alimenté par les bornes à vis 71a et 71b. Le poussoir 4 est fermé, à l'avant, par un cabochon 44. Ce cabochon qui est réalisé en matière plastique transparente, colorée ou non, se fixe, par vissage, sur le poussoir 4 dont l'alésage 41 qui est centré sur X-X' est ouvert sur ledit cabochon. Le poussoir mobile 4 cylindrique est pourvu d'au moins un prolongement latéral formant une cage 42 dans laquelle est monté un pont de contacts 9 coopérant avec des contacts fixés aux pièces conductrices 6a, 6b.The control and signaling unit of FIGS. 1 to 4 has a push button switch and an indicator light supplied by the screw terminals 71a and 71b. The pusher 4 is closed, at the front, by a cap 44. This cap which is made of transparent plastic, colored or not, is fixed, by screwing, to the pusher 4 whose bore 41 which is centered on XX 'is open on said cabochon. The mobile cylindrical pusher 4 is provided with at least one lateral extension forming a cage 42 in which is mounted a contact bridge 9 cooperating with contacts fixed to the conductive parts 6a, 6b.

L'unité de commande des figures 5 à 8 présente deux pièces conductrices 6a munies de contacts fixes et deux pièces conductrices 6b munies chacune d'un contact fixe. Le poussoir 4 présente deux prolongements latéraux formant deux cages 42 dans lesquelles sont montés deux ponts de contact 9. Par ailleurs, le poussoir 4 présente, à l'avant, une plage d'appui frontale 46 servant de touche d'appui. Les deux paires de bornes à vis 61a et 61b servent dans ce cas à l'alimentation en courant des deux contacts. On notera que l'un des contacts est de type "fermé" et que l'autre est de type "ouvert".The control unit of Figures 5 to 8 has two conductive parts 6a provided with fixed contacts and two conductive parts 6b each provided with a fixed contact. The pusher 4 has two lateral extensions forming two cages 42 in which are mounted two contact bridges 9. Furthermore, the pusher 4 has, at the front, a front support pad 46 serving as a support button. The two pairs of screw terminals 61a and 61b are used in this case for the current supply of the two contacts. It will be noted that one of the contacts is of the "closed" type and that the other is of the "open" type.

Alors que dans le mode de réalisation des figures 5 et 6, la touche 46 est monobloc avec le poussoir 4, dans la variante de la figure 8, la touche 46 est rapportée et fixée au poussoir 4 ce qui permet de changer de couleur de touche.While in the embodiment of Figures 5 and 6, the key 46 is in one piece with the pusher 4, in the variant of Figure 8, the key 46 is attached and fixed to the pusher 4 which allows to change the color of the key .

L'unité de commande de la figure 9 présente un bouton tournant 46 qui déplace le poussoir 4 en translation.The control unit of Figure 9 has a rotary button 46 which moves the pusher 4 in translation.

Le voyant illustré par les figures 10 à 12 présente un cabochon 44 qui se fixe sur le corps 1. Celui-ci se prolonge vers le bas par l'ossature 14 servant à supporter les bornes, la douille 75 et les pièces conductrices. Les pièces conductrices sont supportées par l'ossature du corps monobloc 1. Le plot central de sortie du culot est en contact avec le ressort 73 monté sur la pièce conductrice 7b sur lequel se monte la vis 71b et l'étrier associé 72b.The indicator shown in Figures 10 to 12 has a cap 44 which is fixed on the body 1. This extends downwards by the frame 14 serving to support the terminals, the socket 75 and the conductive parts. The conductive parts are supported by the framework of the one-piece body 1. The central outlet stud of the base is in contact with the spring 73 mounted on the conductive part 7b on which the screw 71b and the associated stirrup 72b are mounted.

L'ossature arrière du corps 1 est emmanchée dans une coiffe 2 qui l'enveloppe. Cette coiffe 2 réalisée en matière plastique a une forme générale cylindrique. On notera que le diamètre extérieur de cette coiffe est inférieur au diamètre extérieur de la partie filetée 12 de manière à permettre le montage direct de l'unité sur un tableau ou une paroi.The rear frame of the body 1 is fitted into a cover 2 which envelops it. This cap 2 made of plastic has a generally cylindrical shape. Note that the outside diameter of this cap is less than the outside diameter of the threaded portion 12 so as to allow direct mounting of the unit on a table or a wall.

La liaison entre l'ossature du corps 1 et la coiffe arrière 2 s'effectue par tout moyen de fixation approprié.The connection between the frame of the body 1 and the rear cover 2 is effected by any suitable fixing means.

La paroi cylindrique du couvercle 2 présente des lumières 23 et 24 permettant le passage de conducteurs destinés à être branchés sur les bornes tandis que le fond du couvercle présente des ouvertures 21 et 22 qui permettent le passage d'un tournevis de manière à visser les vis 61a, 61b, 71a, 71b.The cylindrical wall of the cover 2 has openings 23 and 24 allowing the passage of conductors intended to be connected to the terminals while the bottom of the cover has openings 21 and 22 which allow the passage of a screwdriver so as to tighten the screws 61a, 61b, 71a, 71b.

Claims (11)

  1. Screw terminal and/or signaling unit, comprising a single-piece body (1) forming a flange provided with an exterior threading allowing assembly by nut on a support and enveloped at the rear by a cover (2) cut by openings for the passage of connecting wires and access to screws (61a, 61b, 71a, 71b) whose axes are parallel to the axis (X-X') of symmetry of the body (1), characterized in that the screws (61a, 61b, 71a, 71b) cooperate with the connection areas of conductive parts (6a, 6b, 7a, 7b) which are folded and maintained, in eccentric fashion, in relation to the axis of symmetry, in the body (1), this said body (1) providing space for a cylindrical inner housing (13) which is open on the side of the conductive parts so as to allow the passage of at least one movable contact push-button (4) or of a movable contact push-button (4) and a luminous component (8), or of a luminous component (8).
  2. Unit according to claim 1, characterized in that the body (1) guides in translatory motion, in its housing (13), a hollow cylindrical movable push-button (4) fitted with at least one lateral prolongation forming a cage (42) in which a bridge contact (9) is fitted cooperating with contacts fixed to the conductive parts (6a, 6b).
  3. Unit according to claim 2, characterized in that it comprises four conductive parts (6a, 6b) fitted with fixed contacts and that the push button (4) comprises two lateral cage prolongations (42) for two contact bridges (9).
  4. Unit according to any one of the preceding claims, characterized in that it comprises two conductive parts (6a) fitted with fixed contacts and two conductive parts (7a, 7b) for the supply of a luminous component (8).
  5. Unit according to any one of the preceding claims, characterized in that it comprises a cap (2) enveloping the rear of the body and pierced, laterally, by spaces (23, 24) allowing the passage of the conductors to be connected on the terminals (61a, 61b, 71a, 71b) and, at the rear, by openings (21, 22) permitting the use of a tool for tightening the screws (61a, 61b, 71a, 71b).
  6. Unit according to any one of the preceding claims, characterized in that the body comprises, at the rear, a frame (14, 15) formed by two longitudinal rods (14) joined to each other by a bracing (15) and serving to carry the conductive parts (6a, 6b, 7a, 7b).
  7. Unit according to any one of the preceding claims, characterized in that the push button (4) comprises a prolongation forming the cage (42) for a contact bridge (9) and houses a bulb (8) connected to two terminals.
  8. Unit according to any one of the preceding claims, characterized in that it comprises a luminous base component (8) fitted in a lampholder (75) forming part of a conductive part (7a).
  9. Unit according to any one of the preceding claims, characterized in that the conductive parts (6a, 6b) cooperating with the contact bridges (9) are U-shaped.
  10. Unit according to any one of the preceding claims, characterized in that the screws (61a, 61b, 71a, 71b) are associated with clamps (62a, 62b, 72a, 72b) which have a polygonal or octagonal external form adapted to assembly in a cap (2) covering the rear of the body.
  11. Unit according to any one of the preceding claims, characterized in that a detachable key (46) is fixed at the front of the push button (4).
EP94401398A 1993-07-02 1994-06-22 Control or signaling unit having terminals Expired - Lifetime EP0632474B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9308234 1993-07-02
FR9308234A FR2707792B1 (en) 1993-07-02 1993-07-02 Control and / or signaling unit with terminals.

Publications (3)

Publication Number Publication Date
EP0632474A1 EP0632474A1 (en) 1995-01-04
EP0632474B1 true EP0632474B1 (en) 1997-03-05
EP0632474B2 EP0632474B2 (en) 2005-12-21

Family

ID=9448934

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94401398A Expired - Lifetime EP0632474B2 (en) 1993-07-02 1994-06-22 Control or signaling unit having terminals

Country Status (8)

Country Link
US (1) US5534840A (en)
EP (1) EP0632474B2 (en)
KR (1) KR100356072B1 (en)
CN (1) CN1066282C (en)
DE (1) DE69401860T3 (en)
FR (1) FR2707792B1 (en)
SG (1) SG50595A1 (en)
TW (1) TW265453B (en)

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US4394546A (en) * 1980-10-09 1983-07-19 Alps Electric Co., Ltd. Composite switch assembly
DE8332474U1 (en) * 1983-11-11 1984-02-23 Rafi Gmbh & Co Elektrotechnische Spezialfabrik, 7981 Berg Protective cap for covering connection terminals
US4549050A (en) * 1984-06-20 1985-10-22 General Motors Corporation Illuminated control knob for electric switch
FR2616207B1 (en) * 1987-06-05 1990-11-16 Telemecanique Electrique ECONOMIC LIGHT
GB2261551A (en) * 1991-11-15 1993-05-19 Chin Kuei Lin Push button control switch

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1632967A1 (en) 2004-09-04 2006-03-08 Moeller GmbH Electrical switching device with indicator means
DE102004042861B3 (en) * 2004-09-04 2006-05-18 Moeller Gmbh Electrical switching device with display means

Also Published As

Publication number Publication date
EP0632474B2 (en) 2005-12-21
DE69401860D1 (en) 1997-04-10
FR2707792B1 (en) 1995-09-01
US5534840A (en) 1996-07-09
SG50595A1 (en) 1998-07-20
CN1066282C (en) 2001-05-23
CN1100554A (en) 1995-03-22
TW265453B (en) 1995-12-11
DE69401860T2 (en) 1997-06-12
DE69401860T3 (en) 2006-07-13
KR100356072B1 (en) 2003-01-24
FR2707792A1 (en) 1995-01-20
KR950004078A (en) 1995-02-17
EP0632474A1 (en) 1995-01-04

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