EP2989651B1 - Electric switch with monostable control button - Google Patents

Electric switch with monostable control button Download PDF

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Publication number
EP2989651B1
EP2989651B1 EP14719059.9A EP14719059A EP2989651B1 EP 2989651 B1 EP2989651 B1 EP 2989651B1 EP 14719059 A EP14719059 A EP 14719059A EP 2989651 B1 EP2989651 B1 EP 2989651B1
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EP
European Patent Office
Prior art keywords
mounting frame
electrical switch
teeth
front portion
control key
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.)
Active
Application number
EP14719059.9A
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German (de)
French (fr)
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EP2989651A1 (en
Inventor
Jean-Sébastien Guibert
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Legrand SNC
Legrand France SA
Original Assignee
Legrand SNC
Legrand France SA
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Publication of EP2989651A1 publication Critical patent/EP2989651A1/en
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Publication of EP2989651B1 publication Critical patent/EP2989651B1/en
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
    • H01H3/12—Push-buttons
    • H01H3/122—Push-buttons with enlarged actuating area, e.g. of the elongated bar-type; Stabilising means therefor
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
    • H01H3/12—Push-buttons

Definitions

  • the present invention relates generally to the field of electrical equipment.
  • the electrical switches commonly called “push-push” allow, internally, to perform a bistable function of change of state, opening or closing a circuit each time it is acted on their control key, while they behave externally like monostables, their control key returning each time to the rest position as soon as the depressing action exerted on it is released.
  • a switch in which the push button is adapted to be moved in translation inside the housing.
  • the push button has four legs each provided with a hook to limit the output of the push button.
  • a second mode it is a switch in which the push button is adapted to be moved tilt inside the housing.
  • the push button has, on one side, two pins that allow the push button to tilt around a single axis, and, on the other side, two jambs each provided with a hook to limit the output of the push button.
  • the axis of tilting of the control key is provided along an edge of the control key.
  • these electrical switches are installed in such a way that the tilt axis of their control key is located horizontally on the high side of this control key. Conversely, in other countries, these electrical switches are installed in such a way that the tilt axis of their control key is located horizontally on the bottom side of this control key.
  • Such a switch can then be mounted always in the same direction (the inscriptions at the place), since the user can act on the upper part or on the lower part of the control key, according to his habits, to make it to toggle.
  • the mounting frame is closed at the rear by a bottom from which rise four U-shaped bridges each defining an oblong space of closed contour.
  • the control key has corresponding, in protruding from its rear face, four studs respectively engaged in oblong spaces delimited by these U-shaped bridges.
  • Each pad is thus free to pivot within this oblong space, or to sink backwards. In this way, the control button can swing in one direction or the other, or even sink backwards.
  • the present invention proposes a new, more reliable switch in which the installation of the control key in the mounting frame is facilitated.
  • the invention proposes an electrical switch as defined in the introduction, wherein the mounting means comprise at least two teeth protruding from the edge of said facade which, when the control key is in the rest position , are engaged in two grooves provided at the rear of the mounting frame.
  • FIG. 1 On the figure 1 an embodiment of an electric switch 1 according to the invention is shown.
  • this electric switch 1 is of the type to be fixed on an electrical box (not shown) embedded in a wall.
  • the electrical switch could rather be of the type to be fixed on a frame mounted on a wall.
  • the terms "before” and “back” will be used by relative to the direction of the gaze of the user to the wall on which this electrical switch is reported 1.
  • the wall will be a wall partition of a room
  • the front will designate the side turned inwards of the piece and the back will point to the side facing the outside of the room.
  • the electrical switch 1 comprises a control key 10, a mounting frame 30, a cover plate 50, an apparatus mechanism 70, and an equipment support 90.
  • the mounting frame and the trim plate may for example form a single piece.
  • the equipment support 90 is intended to be fixed to the electrical box (or, according to the first variant, to the projecting frame) and to support the mounting frame 30 as well as the mounting plate. 50.
  • the covering plate 50 is provided to aesthetically cover this equipment support 90.
  • the mounting frame 30 is provided for guiding the tilting of the control key 10 so that it can switch the mechanism equipment 70.
  • the covering plate 50, the equipment mechanism 70 and the equipment support 90 not being the object of the present invention, they will only be briefly described at the end of this presentation.
  • the present invention thus relates more to the control key 10 and to its mounting frame 30.
  • the mounting frame 30 defines an access opening 31 inside which is engaged the control key 10.
  • this control key 10 comprises, on the one hand, a flat frontage 11 orthogonal to an axis A0, which is accessible to the user, and, on the other hand, mounting means 13 for tilting on said frame of mounting 30 around at least two separate axes A1, A2, which allow the control key 10 to be movable between a stable rest position and at least two actuating positions of the apparatus mechanism 70.
  • these mounting means comprise at least two teeth 13 projecting from the edge of said facade 11 which, when the control key 10 is in the rest position, are engaged in two grooves 33 provided at the rear of the mounting frame 30.
  • the mounting frame 30 here has a shape of a square ring axis A0.
  • the front panel 11 of the control key 10 also then has a square shape of equal dimensions, to the operating clearance, to the dimensions of the access opening 31 delimited by the mounting frame 30. This front 11 then closes the door. access opening 31.
  • the mounting frame and the control key could of course have different shapes, including circular.
  • the facade 11 is bordered at the rear by a flange 12.
  • This flange 12 runs along the entire periphery of the facade 11.
  • the teeth 13 then extend from the outer face of the flange 12 and are curved forward. Their curved ends thus extend away from the flange 12, parallel to it.
  • At least one tooth 13 is provided on each of two opposite sides of the flange 12, so that the control key 10 can pivot about two parallel axes substantially coinciding with these two opposite sides.
  • control key 10 can pivot about eight axes A1, A2, A3, A4, A5, A6, A7, A8 distinct, parallel two by two.
  • Each tooth 13 is a profile which extends in length along a longitudinal axis which is parallel to the axis of the corresponding side of the facade 11.
  • Each tooth 13 has an L-shaped profile (or "cross-section"), with a portion that hooks to the flange 12, and a portion that points forward.
  • the front end 14 of each tooth 13 has a particular profile making it possible to ensure a good rotational guidance of the control key 10 with respect to the mounting frame 30.
  • the mounting frame 30 comprises a body 32 in the form of a rectangular crown (here square), with four identical branches.
  • each branch of the body 32 are planar.
  • the front edge of the body 32 is also flat.
  • each notch 34 thus forms one of said grooves 33 for receiving the teeth 13 of the key order 10.
  • each groove 33 is a profile which extends in length along a longitudinal axis which is parallel to the axis of the branch in which it is located.
  • Each groove 33 has a particular profile (or "cross-section"), whose shape is provided according to the shape of the front ends 14 of the teeth 13, so as to ensure a good rotational guidance of the control key 10 relative to to the mounting frame 30.
  • each groove 33 thus has a concave arcuate profile, here in a semi-circle open towards the rear.
  • each tooth 13 of the control key 10 then has a convex arc-of-circle profile, here in a quarter-circle of diameter equal to that of the grooves 33.
  • teeth and grooves have different shapes.
  • each groove 233 has a dihedral profile
  • each tooth 213 has a bevel-shaped profile with an apex angle B1 smaller than the opening angle B2 of the grooves 233.
  • 213 teeth will be arranged on the control key 10 so that, when the control key 10 is at rest, the tops of the teeth 213 engage at the bottom of the grooves 233.
  • the first four axes of rotation A1, A2, A3, A4 border the control key 10. They correspond more precisely to the cylinder axes of the front ends 14 of the teeth 13.
  • the other axes of rotation A5, A6, A7, A8 are coplanar with the first axes of rotation A1, A2, A3, A4, but inclined at 45 degrees with respect thereto. They each pass through the adjacent ends of each pair of teeth 13 located at the same corner of the control key 10.
  • the mounting frame 30 and the operating key 10 here each form in one piece, by molding an insulating material, for example a plastics material.
  • the apparatus mechanism 70 includes an insulating base 72 and a switching mechanism 71 housed within the insulating base 72.
  • the insulating base 72 generally has a parallelepiped shape open on the front face.
  • Two latching tabs 72B are cut in its side wall. These snap tabs 72B have snap teeth 72C extending rearwardly and away from the peripheral sidewalk 72A.
  • the control key 10 carries, in the middle of the rear face of its front panel 11, a lug 19 which bears against the front face of the driver 73 and which makes it possible to push the latter towards the rear with each support exerted. by a user on the front 11 of the control key 10, so as to switch the equipment mechanism 70.
  • the equipment support 90 serves to mount the equipment mechanism 70 inside the electrical box recessed into the wall (or, in the first embodiment, to mount the fitting mechanism on the projecting frame). It forms here a separate part of the insulating base 72 of the equipment mechanism 70. Alternatively, it could form a single piece therewith.
  • This equipment support 90 comprises a planar square flat plate 99 which internally delimits a rectangular central opening 91 adapted to receive the insulating base 72 of the equipment mechanism 70.
  • the equipment support 90 comprises fixing means 92 to the electrical box recessed in the wall (or, according to the first variant, fixing means to the projecting frame). These fixing means are here in the form of two circular apertures 92 for fixing screw passage, provided in two opposite branches of the flat plate 99.
  • the equipment support 90 also comprises securing means 93 of the insulating base 72 of the equipment mechanism 70.
  • These securing means are here in the form of two slots 93 provided on either side of the central opening 91, in two opposite branches of the flat plate 99. These two slots 93 are thus provided to accommodate two tabs 72D provided in correspondence to the rear of the peripheral sidewalk 72A of the insulating base 72 (see figure 1 ).
  • slots 93 are more specifically designed to center and laterally block the insulating base 72 in the rectangular central opening 91 of the flat plate 99.
  • the ratchet teeth 72C of the detent tabs 72B of the insulating base 72 are in turn provided. to cling to the rear of the flat plate 99 to retain the peripheral sidewalk 72A of the insulating base 72 resting against the front face of the frame 99.
  • the equipment support 90 also comprises securing means 95, 96 of the mounting frame 30.
  • these securing means comprise a peripheral rib 95 which extends in a square outline, projecting on the front face of the flat plate 99.
  • This peripheral rib 95 extends more precisely around and away from the central rectangular opening 91 of the flat plate 99. It delimits internally a housing in which is fitted the mounting frame 30.
  • These securing means also comprise four windows 96 provided recessed in the internal face of the peripheral rib 95.
  • the mounting frame 30 comprises in correspondence four bending tabs 35 which are respectively cut at the center of each leg of the body 32 of the mounting frame 30 and which each bear on their external faces a ratchet tooth 36.
  • Each bending tab 35 has a rectangle shape with three of the edges are free and whose fourth edge, namely here the front edge, is connected to the body 32 of the mounting frame 30 to form a kind of hinge.
  • Each snap tooth 36 is then located near the edge rear of the corresponding flexure tab 35.
  • Each ratchet tooth 36 has a flat front face which is adapted to hook to the front edge of the corresponding window 96 of the equipment support 90, and a rear face inclined outwards to form a ramp allowing the leg flexion 35 to deform elastically inwardly when the mounting frame 30 is engaged in the housing delimited by the peripheral ridge 95 of the flat plate 99.
  • the trim plate 50 has a square frame shape, with a central opening 51 square.
  • trim plate 50 is designed to aesthetically cover the switchgear support 90
  • the central opening 51 is designed to allow access to the trainer 73 of the switchgear mechanism 70.
  • This trim plate 50 is curved so that its edges are bent backwards to be able to be applied against the wall in which is embedded the electrical box (all around the equipment support 90).
  • the equipment support 90 comprises securing means 94 of this covering plate 50.
  • These securing means are here in the form of snap tabs 94 which rise from the front face of the flat plate 99 and which bear on their outer faces snap teeth adapted to cling to ribs 52 provided in correspondence on the inner face of the curved edges of the trim plate 50 (see figure 6 ).
  • control key 10 is at rest. It is held in this position by the spring 78 which pushes the coach 73 forward.
  • the access opening 31 delimited by the mounting frame 30 to accommodate the control key 10 will have dimensions equal, with the operating clearance, to the outer dimensions of the flange 12 of the control key 10.
  • operating clearance shall be selected to allow the control key to switch around the above-mentioned eight axes of rotation A1, A2, A3, A4, A5, A6, A7, A8.
  • control key 110 has teeth 113 only on two opposite sides of its flange 112.
  • the mounting frame 130 will then be devoid of notches on two of its branches, so as to have grooves 133 only on two opposite branches.
  • the trim plate and the mounting frame form a single piece.
  • the mounting frame will then be adapted to aesthetically cover the front face and the edges of the equipment support.

Description

DOMAINE TECHNIQUE AUQUEL SE RAPPORTE L'INVENTIONTECHNICAL FIELD TO WHICH THE INVENTION REFERS

La présente invention concerne de manière générale le domaine des appareillages électriques.The present invention relates generally to the field of electrical equipment.

Elle concerne plus particulièrement un commutateur électrique comportant :

  • un mécanisme de commutation logé dans un socle isolant au moins partiellement ouvert à l'avant,
  • un cadre de montage qui est fixe par rapport au socle isolant et qui présente une ouverture d'accès au mécanisme de commutation, et
  • une touche de commande qui comprend, d'une part, une façade engagée au travers de l'ouverture d'accès du cadre de montage pour être accessible à l'usager, et, d'autre part, des moyens de montage à basculement sur ledit cadre de montage autour d'au moins deux axes distincts, de manière à être mobile entre une position stable de repos et au moins deux positions d'actionnement du mécanisme de commutation.
It relates more particularly to an electrical switch comprising:
  • a switching mechanism housed in an insulating base at least partially open at the front,
  • a mounting frame which is fixed relative to the insulating base and which has an access opening to the switching mechanism, and
  • a control key which comprises, on the one hand, a front engaged through the access opening of the mounting frame to be accessible to the user, and, on the other hand, mounting means to tilt on said mounting frame around at least two separate axes, so as to be movable between a stable rest position and at least two actuating positions of the switching mechanism.

ARRIERE-PLAN TECHNOLOGIQUEBACKGROUND

Les commutateurs électriques communément appelés "push-push" permettent, intérieurement, de réaliser une fonction bistable de changement d'état, en ouvrant ou en fermant un circuit à chaque fois qu'il est agi sur leur touche de commande, alors qu'ils se comportent extérieurement comme des monostables, leur touche de commande revenant à chaque fois en position de repos dès que l'action d'enfoncement exercée sur celle-ci est relâchée.The electrical switches commonly called "push-push" allow, internally, to perform a bistable function of change of state, opening or closing a circuit each time it is acted on their control key, while they behave externally like monostables, their control key returning each time to the rest position as soon as the depressing action exerted on it is released.

On connaît par exemple du document EP2187414 deux modes de réalisation d'un commutateur électrique.For example, document is known EP2187414 two embodiments of an electrical switch.

Dans un premier mode, il s'agit d'un interrupteur dans lequel le bouton-poussoir est adapté à être déplacé en translation à l'intérieur du boîtier. Dans ce mode, le bouton poussoir comporte quatre jambages munis chacun d'un crochet permettant de limiter la sortie du bouton-poussoir.In a first mode, it is a switch in which the push button is adapted to be moved in translation inside the housing. In this mode, the push button has four legs each provided with a hook to limit the output of the push button.

Dans un second mode, il s'agit d'un interrupteur dans lequel le bouton-poussoir est adapté à être déplacé en basculement à l'intérieur du boîtier. Dans ce mode, le bouton poussoir comporte, d'un côté, deux tourillons qui permettent au bouton-poussoir de basculer autour d'un seul axe, et, de l'autre côté, deux jambages munis chacun d'un crochet permettant de limiter la sortie du bouton-poussoir.In a second mode, it is a switch in which the push button is adapted to be moved tilt inside the housing. In this mode, the push button has, on one side, two pins that allow the push button to tilt around a single axis, and, on the other side, two jambs each provided with a hook to limit the output of the push button.

Dans ce second mode, l'axe de basculement de la touche de commande est prévu le long d'un bord de la touche de commande.In this second mode, the axis of tilting of the control key is provided along an edge of the control key.

Dans certains pays, ces commutateurs électriques sont installés de telle manière que l'axe de basculement de leur touche de commande est situé horizontalement, du côté haut de cette touche de commande. A l'inverse, dans d'autres pays, ces commutateurs électriques sont installés de telle manière que l'axe de basculement de leur touche de commande est situé horizontalement, du côté bas de cette touche de commande.In some countries, these electrical switches are installed in such a way that the tilt axis of their control key is located horizontally on the high side of this control key. Conversely, in other countries, these electrical switches are installed in such a way that the tilt axis of their control key is located horizontally on the bottom side of this control key.

Dans ces pays, les usagers sont habitués à appuyer soit sur le bas, soit sur le haut de la touche de commande pour la faire basculer.In these countries, users are accustomed to pressing either the bottom or the top of the control key to toggle it.

On pourrait alors prévoir une unique référence de commutateurs pour l'ensemble de ces pays, en recommandant à l'installateur de les orienter dans un sens ou dans l'autre selon l'habitude des usagers du pays considéré.One could then provide a single reference switches for all these countries, recommending the installer to guide them in one direction or the other according to the habits of users in the country.

Mais malheureusement, des inscriptions sont souvent prévues sur les commutateurs, si bien qu'il n'est pas possible d'utiliser une seule et même référence de commutateurs (sauf à ce que les inscriptions se retrouvent à l'envers). Il est de ce fait nécessaire de prévoir systématiquement deux références de commutateurs pour répondre aux besoins de ces pays, au prix d'un doublement des références et donc au détriment des coûts de fabrication et de stockage de ces commutateurs.But sadly, there are often listings on the switches, so it is not possible to use a single reference switches (except that the inscriptions are found in reverse). It is therefore necessary to systematically provide two switch references to meet the needs of these countries, at the cost of a doubling of references and therefore the expense of manufacturing and storage of these switches.

Pour résoudre ce problème, on connaît du document EP1768142 un commutateur électrique tel que défini en introduction, dont la touche de commande est montée sur le cadre de montage de telle manière qu'il est possible d'utiliser la totalité de sa surface pour provoquer son basculement, soit vers le haut, soit vers le bas, selon où l'usager appuie.To solve this problem, we know of the document EP1768142 an electrical switch as defined in the introduction, whose control key is mounted on the mounting frame so that it is possible to use its entire surface to cause it to tilt, either upwards or downwards; down, depending on where the user presses.

Un tel commutateur peut alors être monté toujours dans le même sens (les inscriptions à l'endroit), puisque l'usager pourra agir sur la partie haute ou sur la partie basse de la touche de commande, conformément à ses habitudes, pour la faire basculer.Such a switch can then be mounted always in the same direction (the inscriptions at the place), since the user can act on the upper part or on the lower part of the control key, according to his habits, to make it to toggle.

Dans ce document, le cadre de montage est fermé à l'arrière par un fond à partie duquel s'élèvent quatre ponts en U définissant chacun un espace oblong de contour fermé. La touche de commande comporte en correspondance, en saillie de sa face arrière, quatre plots respectivement engagés dans les espaces oblongs délimités par ces ponts en U.In this document, the mounting frame is closed at the rear by a bottom from which rise four U-shaped bridges each defining an oblong space of closed contour. The control key has corresponding, in protruding from its rear face, four studs respectively engaged in oblong spaces delimited by these U-shaped bridges.

Chaque plot est ainsi libre de pivoter à l'intérieur de cet espace oblong, ou de s'enfoncer vers l'arrière. De cette manière, la touche de commande peut basculer dans un sens ou dans l'autre, ou même s'enfoncer vers l'arrière.Each pad is thus free to pivot within this oblong space, or to sink backwards. In this way, the control button can swing in one direction or the other, or even sink backwards.

L'inconvénient majeur de ce commutateur électrique est que l'installation de la touche de commande dans le cadre de montage s'avère particulièrement délicat, notamment lorsqu'il s'agit d'engager les plots dans les espaces oblongs de contour fermé, sans briser les ponts en U.The major disadvantage of this electrical switch is that the installation of the control key in the mounting frame is particularly difficult, especially when it comes to engaging the studs in oblong spaces of closed contour, without break the U bridges.

L'utilisation de tels ponts en U ajustés à la taille des plots présente un autre inconvénient. Cette architecture est en effet sensible à l'encrassement, puisque les particules de poussières ont tendance à s'agglomérer dans les espaces oblongs, ce qui à terme peut provoquer le blocage des plots dans les espaces oblongs et, partant, le blocage de la touche de commande.The use of such U-shaped bridges adjusted to the size of the pads has another disadvantage. This architecture is indeed sensitive to fouling, since the dust particles tend to agglomerate in the oblong spaces, which eventually can cause blocking of the studs in the oblong spaces and hence the blocking of the key control.

OBJET DE L'INVENTIONOBJECT OF THE INVENTION

Afin de remédier aux inconvénients précités de l'état de la technique, la présente invention propose un nouveau commutateur plus fiable, dans lequel l'installation de la touche de commande dans le cadre de montage est facilitée.In order to overcome the aforementioned drawbacks of the state of the art, the present invention proposes a new, more reliable switch in which the installation of the control key in the mounting frame is facilitated.

Plus particulièrement, on propose selon l'invention un commutateur électrique tel que défini dans l'introduction, dans lequel les moyens de montage comportent au moins deux dents en saillie du bord de ladite façade qui, lorsque la touche de commande est en position de repos, sont engagées dans deux gorges prévues à l'arrière du cadre de montage.More particularly, the invention proposes an electrical switch as defined in the introduction, wherein the mounting means comprise at least two teeth protruding from the edge of said facade which, when the control key is in the rest position , are engaged in two grooves provided at the rear of the mounting frame.

Grâce à la coopération des dents avec des gorges qui sont prévues à l'arrière du cadre de montage et qui sont ouvertes vers l'arrière, le montage du commutateur est facilité puisqu'il consiste simplement à rapporter la touche de commande sous le cadre de montage puis à rapporter cet ensemble sur le socle isolant. Il n'y a alors aucun risque de casse durant ce montage. De ce fait, ces opérations peuvent être mises en oeuvre de manière industrielle sur chaîne de montage automatisée.Thanks to the cooperation of the teeth with grooves which are provided at the rear of the mounting frame and which are open towards the rear, the assembly of the switch is facilitated since it consists simply of bringing the control button under the frame of mounting and then bring this set back to the insulating base. There is no risk of breakage during this assembly. As a result, these operations can be implemented industrially on an automated assembly line.

L'utilisation de dents et de gorges ouvertes évite par ailleurs tout encrassement des moyens de montage, au bénéfice de la fiabilité du commutateur électrique.The use of open teeth and grooves also prevents clogging of the mounting means, to the benefit of the reliability of the electrical switch.

D'autres caractéristiques avantageuses et non limitatives du commutateur électrique conforme à l'invention sont les suivantes :

  • la façade de la touche de commande et le cadre de montage présentant des formes rectangulaires, lesdites deux dents sont prévues en saillie de deux côtés opposés du bord de ladite façade et lesdites deux gorges sont prévues en creux dans deux branches opposées du cadre de montage ;
  • il est prévu quatre dents respectivement en saillie de quatre côtés du bord de ladite façade, et quatre gorges respectivement en creux dans quatre branches du cadre de montage ;
  • il est prévu quatre paires de dents respectivement en saillie de quatre côtés du bord de ladite façade, et quatre paires de gorges respectivement en creux dans quatre branches du cadre de montage, les dents 13 de chaque paire de dents 13 étant situées à distance l'une de l'autre ;
  • la façade étant bordée à l'arrière par un rebord, lesdites dents s'étendent à partir du rebord et sont recourbées vers l'avant ;
  • chaque gorge présente au moins une partie profilée de section transversale en arc-de-cercle ;
  • chaque dent présente au moins une partie profilée de section transversale en arc-de-cercle, dont le diamètre est identique à celui de la partie en arc-de-cercle de chaque gorge ;
  • chaque gorge présente au moins une partie profilée de section transversale en dièdre ;
  • chaque dent présente au moins une partie profilée de section transversale en biseau, d'angle au sommet inférieur à l'angle d'ouverture du dièdre de chaque gorge ;
  • il est prévu un support d'appareillage qui est équipé de moyens de fixation à une boîte électrique, de premiers moyens d'assujettissement du socle isolant du mécanisme de commutation, de seconds moyens d'assujettissement du cadre de montage ;
  • ledit support d'appareillage comporte également des troisièmes moyens d'assujettissement d'une plaque d'habillage qui est adaptée à recouvrir le bord extérieur dudit support d'appareillage et à border et/ou recouvrir ledit cadre de montage ;
  • ledit cadre de montage est adapté à recouvrir le bord extérieur dudit support d'appareillage.
Other advantageous and non-limiting characteristics of the electrical switch according to the invention are the following:
  • the front of the control key and the mounting frame having rectangular shapes, said two teeth are provided projecting from two opposite sides of the edge of said facade and said two grooves are recessed in two opposite branches of the mounting frame;
  • there are provided four teeth protruding respectively from four sides of the edge of said facade, and four grooves respectively recessed in four branches of the mounting frame;
  • there are provided four pairs of teeth respectively projecting from four sides of the edge of said facade, and four pairs of grooves respectively recessed in four branches of the mounting frame, the teeth 13 of each pair of teeth 13 being located at a distance from each other. one of the other;
  • the facade being bordered at the rear by a flange, said teeth extend from the flange and are bent forwardly;
  • each groove has at least one profiled portion of cross-section in arc-of-circle;
  • each tooth has at least one profile section of arcuate cross-section, whose diameter is identical to that of the arc-shaped portion of each groove;
  • each groove has at least one profiled portion of dihedral cross section;
  • each tooth has at least one profiled portion of bevelled cross-section, with an apex angle smaller than the angle of the dihedral opening of each groove;
  • there is provided an apparatus support which is equipped with means for fixing to an electrical box, first means for securing the insulating base of the switching mechanism, second means for securing the mounting frame;
  • said equipment carrier also comprises third means for securing a trim plate which is adapted to cover the outer edge of said equipment support and to border and / or cover said mounting frame;
  • said mounting frame is adapted to cover the outer edge of said fitting support.

DESCRIPTION DETAILLEE D'UN EXEMPLE DE REALISATIONDETAILED DESCRIPTION OF AN EXEMPLARY EMBODIMENT

La description qui va suivre en regard des dessins annexés, donnés à titre d'exemples non limitatifs, fera bien comprendre en quoi consiste l'invention et comment elle peut être réalisée.The following description with reference to the accompanying drawings, given as non-limiting examples, will make it clear what the invention consists of and how it can be achieved.

Sur les dessins annexés :

  • la figure 1 est une vue schématique en perspective éclatée d'un commutateur électrique selon l'invention ;
  • les figures 2 et 3 sont des vues schématiques en perspective de la touche de commande du commutateur électrique de la figure 1, représentée sous deux angles différents ;
  • la figure 4 est une vue schématique en perspective du cadre de montage du commutateur électrique de la figure 1 ;
  • la figure 5 est une vue schématique en coupe selon le plan A-A de la figure 4 ;
  • la figure 6 est une vue schématique en coupe du commutateur électrique de la figure 1, représenté dans un premier plan de coupe ;
  • les figures 7 à 10 sont des vues schématiques en coupe du commutateur électrique de la figure 1, représenté dans un second plan de coupe orthogonal au premier plan de coupe, qui illustrent différentes positions d'enfoncement de la touche de commande ;
  • la figure 11 est une vue schématique en perspective éclatée de la touche de commande et du cadre de montage d'une première variante de réalisation du commutateur électrique selon l'invention ;
  • la figure 12 est une vue schématique en coupe assemblée de la touche de commande et du cadre de montage d'une seconde variante de réalisation du commutateur électrique selon l'invention ; et
  • la figure 13 est une vue de détail de la zone XIII de la figure 12.
In the accompanying drawings:
  • the figure 1 is a schematic exploded perspective view of an electrical switch according to the invention;
  • the Figures 2 and 3 are schematic perspective views of the control key of the electrical switch of the figure 1 , represented from two different angles;
  • the figure 4 is a schematic perspective view of the mounting frame of the electrical switch of the figure 1 ;
  • the figure 5 is a schematic sectional view according to the plane AA of the figure 4 ;
  • the figure 6 is a schematic sectional view of the electrical switch of the figure 1 , shown in a first section plane;
  • the Figures 7 to 10 are schematic sectional views of the electrical switch of the figure 1 , shown in a second sectional plane orthogonal to the first sectional plane, which illustrate different depression positions of the control key;
  • the figure 11 is a schematic perspective exploded view of the control key and the mounting frame of a first embodiment of the electrical switch according to the invention;
  • the figure 12 is a schematic view in assembled section of the control key and the mounting frame of a second embodiment of the electrical switch according to the invention; and
  • the figure 13 is a detail view of the XIII area of the figure 12 .

Sur la figure 1, on a représenté un exemple de réalisation d'un commutateur électrique 1 selon l'invention.On the figure 1 an embodiment of an electric switch 1 according to the invention is shown.

Tel qu'il est représenté sur cette figure, ce commutateur électrique 1 est du type à être fixé sur une boîte électrique (non représentée) encastrée dans une paroi. Selon une première variante, le commutateur électrique pourrait plutôt être du type à être fixé sur un cadre monté en saillie sur une paroi.As shown in this figure, this electric switch 1 is of the type to be fixed on an electrical box (not shown) embedded in a wall. According to a first variant, the electrical switch could rather be of the type to be fixed on a frame mounted on a wall.

Dans la description, les termes « avant » et « arrière » seront utilisés par rapport à la direction du regard de l'usager vers la paroi sur laquelle est rapportée ce commutateur électrique 1. Par exemple, lorsque la paroi sera une cloison murale d'une pièce, l'avant désignera le côté tourné vers l'intérieur de la pièce et l'arrière désignera le côté tourné vers l'extérieur de la pièce.In the description, the terms "before" and "back" will be used by relative to the direction of the gaze of the user to the wall on which this electrical switch is reported 1. For example, when the wall will be a wall partition of a room, the front will designate the side turned inwards of the piece and the back will point to the side facing the outside of the room.

Dans le mode de réalisation de la figure 1, le commutateur électrique 1 comporte une touche de commande 10, un cadre de montage 30, une plaque d'habillage 50, un mécanisme d'appareillage 70, et un support d'appareillage 90.In the embodiment of the figure 1 the electrical switch 1 comprises a control key 10, a mounting frame 30, a cover plate 50, an apparatus mechanism 70, and an equipment support 90.

Comme cela sera exposé dans la suite, il pourra en variante comporter un nombre réduit de pièces. Ainsi, le cadre de montage et la plaque d'habillage pourront par exemple former une seule et même pièce monobloc.As will be explained later, it may alternatively comprise a reduced number of parts. Thus, the mounting frame and the trim plate may for example form a single piece.

En préliminaire, on pourra noter que le support d'appareillage 90 est prévu pour être fixé à la boîte électrique (ou, selon la première variante, sur le cadre en saillie) et pour supporter le cadre de montage 30 ainsi que la plaque d'habillage 50. La plaque d'habillage 50 est prévue pour recouvrir esthétiquement ce support d'appareillage 90. Le cadre de montage 30 est quant à lui prévu pour guider le basculement de la touche de commande 10 afin que cette dernière puisse faire commuter le mécanisme d'appareillage 70.As a preliminary, it may be noted that the equipment support 90 is intended to be fixed to the electrical box (or, according to the first variant, to the projecting frame) and to support the mounting frame 30 as well as the mounting plate. 50. The covering plate 50 is provided to aesthetically cover this equipment support 90. The mounting frame 30 is provided for guiding the tilting of the control key 10 so that it can switch the mechanism equipment 70.

La plaque d'habillage 50, le mécanisme d'appareillage 70 et le support d'appareillage 90 ne faisant pas en propre l'objet de la présente invention, ils ne seront que brièvement décrits, à l'issue de cet exposé.The covering plate 50, the equipment mechanism 70 and the equipment support 90 not being the object of the present invention, they will only be briefly described at the end of this presentation.

La présente invention porte ainsi davantage sur la touche de commande 10 et sur son cadre de montage 30.The present invention thus relates more to the control key 10 and to its mounting frame 30.

Comme le montre la figure 1, le cadre de montage 30 délimite une ouverture d'accès 31 à l'intérieur de laquelle est engagée la touche de commande 10.As shown in figure 1 , the mounting frame 30 defines an access opening 31 inside which is engaged the control key 10.

Comme le montre la figure 6, cette touche de commande 10 comprend, d'une part, une façade 11 plane et orthogonale à un axe A0, qui est accessible à l'usager, et, d'autre part, des moyens de montage 13 à basculement sur ledit cadre de montage 30 autour d'au moins deux axes A1, A2 distincts, qui permettent à la touche de commande 10 d'être mobile entre une position stable de repos et au moins deux positions d'actionnement du mécanisme d'appareillage 70.As shown in figure 6 , this control key 10 comprises, on the one hand, a flat frontage 11 orthogonal to an axis A0, which is accessible to the user, and, on the other hand, mounting means 13 for tilting on said frame of mounting 30 around at least two separate axes A1, A2, which allow the control key 10 to be movable between a stable rest position and at least two actuating positions of the apparatus mechanism 70.

Selon une caractéristique particulièrement avantageuse de l'invention, ces moyens de montage comportent au moins deux dents 13 en saillie du bord de ladite façade 11 qui, lorsque la touche de commande 10 est en position de repos, sont engagées dans deux gorges 33 prévues à l'arrière du cadre de montage 30.According to a particularly advantageous characteristic of the invention, these mounting means comprise at least two teeth 13 projecting from the edge of said facade 11 which, when the control key 10 is in the rest position, are engaged in two grooves 33 provided at the rear of the mounting frame 30.

En l'espèce, le cadre de montage 30 présente ici une forme de couronne carrée d'axe A0.In this case, the mounting frame 30 here has a shape of a square ring axis A0.

La façade 11 de la touche de commande 10 présente alors également une forme carrée de dimensions égales, au jeu de fonctionnement près, aux dimensions de l'ouverture d'accès 31 délimitée par le cadre de montage 30. Cette façade 11 obture alors l'ouverture d'accès 31.The front panel 11 of the control key 10 also then has a square shape of equal dimensions, to the operating clearance, to the dimensions of the access opening 31 delimited by the mounting frame 30. This front 11 then closes the door. access opening 31.

En variante, le cadre de montage et la touche de commande pourraient bien entendu présenter des formes différentes, notamment circulaires.Alternatively, the mounting frame and the control key could of course have different shapes, including circular.

Ici, comme le montrent les figures 2 et 3, la façade 11 est bordée à l'arrière par un rebord 12. Ce rebord 12 longe toute la périphérie de la façade 11.Here, as shown by Figures 2 and 3 , the facade 11 is bordered at the rear by a flange 12. This flange 12 runs along the entire periphery of the facade 11.

Les dents 13 s'étendent alors à partir de la face externe du rebord 12 et sont recourbées vers l'avant. Leurs extrémités recourbées s'étendent ainsi à distance du rebord 12, parallèlement à celui-ci.The teeth 13 then extend from the outer face of the flange 12 and are curved forward. Their curved ends thus extend away from the flange 12, parallel to it.

Préférentiellement, il est prévu au moins une dent 13 sur chacun de deux côtés opposés du rebord 12, de manière que la touche de commande 10 puisse pivoter autour de deux axes parallèles, sensiblement confondus avec ces deux côtés opposés.Preferably, at least one tooth 13 is provided on each of two opposite sides of the flange 12, so that the control key 10 can pivot about two parallel axes substantially coinciding with these two opposite sides.

Ici, comme le montrent les figures 2 et 3, il est prévu deux dents 13 sur chaque côté du rebord 12. De cette manière, comme cela sera exposé plus en détail infra, la touche de commande 10 pourra pivoter autour de huit axes A1, A2, A3, A4, A5, A6, A7, A8 distincts, parallèles deux à deux.Here, as shown by Figures 2 and 3 two teeth 13 are provided on each side of the rim 12. In this way, as will be explained in more detail below, the control key 10 can pivot about eight axes A1, A2, A3, A4, A5, A6, A7, A8 distinct, parallel two by two.

Chaque dent 13 est un profilé qui s'étend en longueur selon un axe longitudinal qui est parallèle à l'axe du côté correspondant de la façade 11.Each tooth 13 is a profile which extends in length along a longitudinal axis which is parallel to the axis of the corresponding side of the facade 11.

Chaque dent 13 présente un profil (ou « section transversale ») en L, avec une partie qui se raccroche au rebord 12, et une partie qui pointe vers l'avant. L'extrémité avant 14 de chaque dent 13 présente un profil particulier permettant d'assurer un bon guidage en rotation de la touche de commande 10 par rapport au cadre de montage 30.Each tooth 13 has an L-shaped profile (or "cross-section"), with a portion that hooks to the flange 12, and a portion that points forward. The front end 14 of each tooth 13 has a particular profile making it possible to ensure a good rotational guidance of the control key 10 with respect to the mounting frame 30.

Comme le montre bien la figure 4, le cadre de montage 30 comporte un corps 32 en forme de couronne rectangulaire (ici carrée), avec quatre branches identiques.As the figure 4 , the mounting frame 30 comprises a body 32 in the form of a rectangular crown (here square), with four identical branches.

Les faces intérieures et extérieures de chaque branche du corps 32 sont planes. Le bord avant du corps 32 est également plat.The inner and outer faces of each branch of the body 32 are planar. The front edge of the body 32 is also flat.

Seul le bord arrière du corps 32 est crénelé, pour délimiter des encoches 34 de passage des dents 13 de la touche de commande 10. Le fond de chaque encoche 34 forme ainsi l'une desdites gorges 33 d'accueil des dents 13 de la touche de commande 10.Only the rear edge of the body 32 is crenellated, to delimit notches 34 passage of the teeth 13 of the control key 10. The bottom of each notch 34 thus forms one of said grooves 33 for receiving the teeth 13 of the key order 10.

Il est alors ici prévu deux encoches 34 en creux dans le bord arrière de chaque branche du cadre de montage 30, situées à distance l'une de l'autre.It is here provided two recesses 34 recessed in the rear edge of each branch of the mounting frame 30, located at a distance from one another.

Chaque encoche 34 présente une largeur identique à celle des dents 13 de la touche de commande 10 et une profondeur telle que :

  • lorsque la touche de commande est en position de repos (c'est-à-dire lorsque chaque dent 13 de la touche de commande 10 est engagée au fond de chaque gorge 33 correspondante du cadre de montage 30), sa façade 11 s'étend à l'avant du bord avant du cadre de montage 30, et
  • lorsque la touche de commande est en position enfoncée, sa façade 11 s'étend à l'affleurement du bord avant du cadre de montage 30.
Each notch 34 has a width identical to that of the teeth 13 of the control key 10 and a depth such that:
  • when the control key is in the rest position (that is to say when each tooth 13 of the control key 10 is engaged at the bottom of each corresponding groove 33 of the mounting frame 30), its front 11 extends at the front of the front edge of the mounting frame 30, and
  • when the control key is in the depressed position, its front 11 extends to the outcropping of the front edge of the mounting frame 30.

En correspondance de chaque dent 13, chaque gorge 33 est un profilé qui s'étend en longueur selon un axe longitudinal qui est parallèle à l'axe de la branche dans laquelle elle se trouve.In correspondence of each tooth 13, each groove 33 is a profile which extends in length along a longitudinal axis which is parallel to the axis of the branch in which it is located.

Chaque gorge 33 présente un profil (ou « section transversale ») particulier, dont la forme est prévue en fonction de la forme des extrémités avant 14 des dents 13, de manière à assurer un bon guidage en rotation de la touche de commande 10 par rapport au cadre de montage 30.Each groove 33 has a particular profile (or "cross-section"), whose shape is provided according to the shape of the front ends 14 of the teeth 13, so as to ensure a good rotational guidance of the control key 10 relative to to the mounting frame 30.

Dans le mode de réalisation représenté sur la figure 5, chaque gorge 33 présente ainsi un profil en arc-de-cercle concave, ici en demi-cercle ouvert vers l'arrière.In the embodiment shown on the figure 5 each groove 33 thus has a concave arcuate profile, here in a semi-circle open towards the rear.

Comme le montre bien la figure 6, l'extrémité avant 14 de chaque dent 13 de la touche de commande 10 présente alors un profil en arc-de-cercle convexe, ici en quart-de-cercle de diamètre égal à celui des gorges 33.As the figure 6 the front end 14 of each tooth 13 of the control key 10 then has a convex arc-of-circle profile, here in a quarter-circle of diameter equal to that of the grooves 33.

En variante, on pourrait prévoir que les dents et les gorges présentent des formes différentes.Alternatively, it could be provided that the teeth and grooves have different shapes.

Ainsi, comme le montrent les figures 12 et 13, on pourrait prévoir que chaque gorge 233 présente un profil en forme de dièdre, et que chaque dent 213 présente un profil en forme de biseau, d'angle au sommet B1 inférieur à l'angle d'ouverture B2 des gorges 233. Préférentiellement alors, les dents 213 seront agencées sur la touche de commande 10 de telle manière que, lorsque la touche de commande 10 est au repos, les sommets des dents 213 s'engagent au fond des gorges 233.Thus, as shown by Figures 12 and 13 it may be provided that each groove 233 has a dihedral profile, and that each tooth 213 has a bevel-shaped profile with an apex angle B1 smaller than the opening angle B2 of the grooves 233. Preferably then , 213 teeth will be arranged on the control key 10 so that, when the control key 10 is at rest, the tops of the teeth 213 engage at the bottom of the grooves 233.

Sur les figures 2 et 3, on a représenté les axes de rotation A1, A2, A3, A4, A5, A6, A7, A8 autour desquels la touche de commande 10 peut basculer lorsqu'un appui est exercé sur elle par un utilisateur, selon l'endroit où est exercé cet appui.On the Figures 2 and 3 , the axes of rotation A1, A2, A3, A4, A5, A6, A7, A8 are shown around which the control key 10 can be tilted when it is pressed on it by a user, depending on where exercised this support.

Les quatre premiers axes de rotation A1, A2, A3, A4 bordent la touche de commande 10. Ils correspondent plus précisément aux axes de cylindre des extrémités avant 14 des dents 13.The first four axes of rotation A1, A2, A3, A4 border the control key 10. They correspond more precisely to the cylinder axes of the front ends 14 of the teeth 13.

Les autres axes de rotation A5, A6, A7, A8 sont coplanaires avec les premiers axes de rotation A1, A2, A3, A4, mais inclinés à 45 degrés par rapport à ceux-ci. Ils passent chacun par les extrémités adjacentes de chaque paire de dents 13 situées à un même coin de la touche de commande 10.The other axes of rotation A5, A6, A7, A8 are coplanar with the first axes of rotation A1, A2, A3, A4, but inclined at 45 degrees with respect thereto. They each pass through the adjacent ends of each pair of teeth 13 located at the same corner of the control key 10.

Le cadre de montage 30 et la touche d'actionnement 10 viennent ici chacun de formation d'une seule pièce, par moulage d'une matière isolante, par exemple une matière plastique.The mounting frame 30 and the operating key 10 here each form in one piece, by molding an insulating material, for example a plastics material.

Sur la figure 1, on a représenté un mode particulier de réalisation du mécanisme d'appareillage 70.On the figure 1 , there is shown a particular embodiment of the equipment mechanism 70.

Ce mécanisme d'appareillage 70 ne faisant pas en propre l'objet de la présente invention, il ne sera ici que brièvement décrit.Since this equipment mechanism 70 is not the subject of the present invention, it will only be briefly described here.

Pour obtenir une description détaillée de ce mécanisme d'appareillage 70, on pourra notamment se reporter au document FR2938371 .For a detailed description of this equipment mechanism 70, reference may be made to the document FR2938371 .

Tel qu'il est représenté sur la figure 1, le mécanisme d'appareillage 70 comporte un socle isolant 72 et un mécanisme de commutation 71 logé à l'intérieur du socle isolant 72.As represented on the figure 1 the apparatus mechanism 70 includes an insulating base 72 and a switching mechanism 71 housed within the insulating base 72.

Le socle isolant 72 présente globalement une forme de parallélépipède ouvert en face avant.The insulating base 72 generally has a parallelepiped shape open on the front face.

Son ouverture avant est bordée par un trottoir périphérique 72A.Its front opening is bordered by a sidewalk 72A.

Deux pattes d'encliquetage 72B sont découpées dans sa paroi latérale. Ces pattes d'encliquetage 72B portent des dents d'encliquetage 72C s'étendant à l'arrière et à distance du trottoir périphérique 72A.Two latching tabs 72B are cut in its side wall. These snap tabs 72B have snap teeth 72C extending rearwardly and away from the peripheral sidewalk 72A.

Comme le montre la figure 7, le mécanisme de commutation 71 comporte quant à lui :

  • une (dans le cas d'un interrupteur simple) ou deux (dans le cas d'un va-et-vient, comme cela est ici représenté) bornes 75 qui portent chacune un grain de contact fixe 76,
  • une borne 75A qui délimite une gouttière dans laquelle bascule un balais 75B équipé d'un (dans le cas d'un interrupteur simple) ou de deux (dans le cas d'un va-et-vient) grains de contact mobiles 74, les deux ou trois bornes 75, 75A étant connectées par ailleurs au réseau électrique local,
  • un entraîneur 73 qui est placé dans l'ouverture avant du socle isolant 72 et qui est monté basculant sur ce dernier pour descendre vers l'arrière ou monter vers l'avant,
  • une noix 77 qui est montée basculante dans le socle isolant 72 pour basculer d'un côté ou de l'autre à chaque descente dudit entraîneur 73, de manière à accrocher le balais 75B pour le faire basculer d'un côté ou de l'autre de la gouttière, ce qui permet de mettre en contact l'un de ses éléments de contact mobile 74 avec l'un ou l'autre des deux grains de contact fixe 76, et
  • des moyens d'entraînement (comprenant un ressort 78 et un doigt 79) adaptés à assurer un basculement rapide de la noix 70 à chaque descente de l'entraîneur 73 et à repousser cet entraîneur 73 vers l'avant.
As shown in figure 7 , the switching mechanism 71 comprises for its part:
  • one (in the case of a single switch) or two (in the case of a back-and-forth, as shown here) terminals 75 which each carry a fixed contact ring 76,
  • a terminal 75A which delimits a gutter in which a brush 75B equipped with a (in the case of a single switch) or two (in the case of a back and forth) moving contact grains 74, switches them two or three terminals 75, 75A being connected to the local electrical network,
  • a driver 73 which is placed in the front opening of the insulating base 72 and which is pivotally mounted on the latter to descend towards the rear or to climb forward,
  • a nut 77 which is pivotally mounted in the insulating base 72 to swing from one side or the other to each lowering of said driver 73, so as to hook the brush 75B to tilt on one side or the other of the gutter, which makes it possible to put one of its mobile contact elements 74 into contact with one or the other of the two fixed contact grains 76, and
  • driving means (comprising a spring 78 and a finger 79) adapted to ensure rapid tilting of the nut 70 at each descent of the driver 73 and to push the driver 73 forward.

Comme le montre les figures 3 et 7, la touche de commande 10 porte, au milieu de la face arrière de sa façade 11, un ergot 19 qui s'appuie contre la face avant de l'entraîneur 73 et qui permet de pousser ce dernier vers l'arrière à chaque appui exercé par un utilisateur sur la façade 11 de la touche de commande 10, de manière à commuter le mécanisme d'appareillage 70.As shown by figures 3 and 7 , the control key 10 carries, in the middle of the rear face of its front panel 11, a lug 19 which bears against the front face of the driver 73 and which makes it possible to push the latter towards the rear with each support exerted. by a user on the front 11 of the control key 10, so as to switch the equipment mechanism 70.

Comme le montre la figure 1, le support d'appareillage 90 sert au montage du mécanisme d'appareillage 70 à l'intérieur de la boîte électrique encastrée dans la paroi (ou, selon la première variante, au montage du mécanisme d'appareillage sur le cadre en saillie). Il forme ici une pièce distincte du socle isolant 72 du mécanisme d'appareillage 70. En variante, il pourrait former une seule pièce avec celui-ci.As shown in figure 1 , the equipment support 90 serves to mount the equipment mechanism 70 inside the electrical box recessed into the wall (or, in the first embodiment, to mount the fitting mechanism on the projecting frame). It forms here a separate part of the insulating base 72 of the equipment mechanism 70. Alternatively, it could form a single piece therewith.

Ce support d'appareillage 90 comporte une plaque plane 99 carrée en forme de cadre, qui délimite intérieurement une ouverture centrale rectangulaire 91 adaptée à accueillir le socle isolant 72 du mécanisme d'appareillage 70.This equipment support 90 comprises a planar square flat plate 99 which internally delimits a rectangular central opening 91 adapted to receive the insulating base 72 of the equipment mechanism 70.

Le support d'appareillage 90 comporte des moyens de fixation 92 à la boîte électrique encastrée dans la paroi (ou, selon la première variante, des moyens de fixation au cadre en saillie). Ces moyens de fixation se présentent ici sous la forme de deux ouvertures 92 circulaires de passage de vis de fixation, prévues dans deux branches opposées de la plaque plane 99.The equipment support 90 comprises fixing means 92 to the electrical box recessed in the wall (or, according to the first variant, fixing means to the projecting frame). These fixing means are here in the form of two circular apertures 92 for fixing screw passage, provided in two opposite branches of the flat plate 99.

Le support d'appareillage 90 comporte également des moyens d'assujettissement 93 du socle isolant 72 du mécanisme d'appareillage 70.The equipment support 90 also comprises securing means 93 of the insulating base 72 of the equipment mechanism 70.

Ces moyens d'assujettissement se présentent ici sous la forme de deux fentes 93 prévues de part et d'autre de l'ouverture centrale 91, dans deux branches opposées de la plaque plane 99. Ces deux fentes 93 sont ainsi prévues pour accueillir deux languettes 72D prévues en correspondance à l'arrière du trottoir périphérique 72A du socle isolant 72 (voir figure 1).These securing means are here in the form of two slots 93 provided on either side of the central opening 91, in two opposite branches of the flat plate 99. These two slots 93 are thus provided to accommodate two tabs 72D provided in correspondence to the rear of the peripheral sidewalk 72A of the insulating base 72 (see figure 1 ).

Ces fentes 93 sont plus précisément prévues pour centrer et bloquer latéralement le socle isolant 72 dans l'ouverture centrale rectangulaire 91 de la plaque plane 99. Les dents d'encliquetage 72C des pattes d'encliquetage 72B du socle isolant 72 sont quant à elles prévues pour s'accrocher à l'arrière de la plaque plane 99 pour retenir le trottoir périphérique 72A du socle isolant 72 en appui contre la face avant du cadre 99.These slots 93 are more specifically designed to center and laterally block the insulating base 72 in the rectangular central opening 91 of the flat plate 99. The ratchet teeth 72C of the detent tabs 72B of the insulating base 72 are in turn provided. to cling to the rear of the flat plate 99 to retain the peripheral sidewalk 72A of the insulating base 72 resting against the front face of the frame 99.

Le support d'appareillage 90 comporte aussi des moyens d'assujettissement 95, 96 du cadre de montage 30.The equipment support 90 also comprises securing means 95, 96 of the mounting frame 30.

En l'espèce, ces moyens d'assujettissement comportent une nervure périphérique 95 qui s'étend selon un contour carré, en saillie sur la face avant de la plaque plane 99. Cette nervure périphérique 95 s'étend plus précisément autour et à distance de l'ouverture centrale rectangulaire 91 de la plaque plane 99. Elle délimite intérieurement un logement dans lequel vient s'emboîter le cadre de montage 30.In the present case, these securing means comprise a peripheral rib 95 which extends in a square outline, projecting on the front face of the flat plate 99. This peripheral rib 95 extends more precisely around and away from the central rectangular opening 91 of the flat plate 99. It delimits internally a housing in which is fitted the mounting frame 30.

Ces moyens d'assujettissement comportent également quatre fenêtres 96 prévues en creux dans la face interne de la nervure périphérique 95.These securing means also comprise four windows 96 provided recessed in the internal face of the peripheral rib 95.

Comme le montrent les figures 1 et 4, le cadre de montage 30 comporte en correspondance quatre pattes de flexion 35 qui sont respectivement découpées au centre de chaque branche du corps 32 du cadre de montage 30 et qui portent chacune sur leurs faces externes une dent d'encliquetage 36.As shown by figures 1 and 4 , the mounting frame 30 comprises in correspondence four bending tabs 35 which are respectively cut at the center of each leg of the body 32 of the mounting frame 30 and which each bear on their external faces a ratchet tooth 36.

Chaque patte de flexion 35 présente une forme de rectangle dont trois des bords sont libres et dont le quatrième bord, à savoir ici le bord avant, se raccorde au corps 32 du cadre de montage 30 pour former une sorte de charnière.Each bending tab 35 has a rectangle shape with three of the edges are free and whose fourth edge, namely here the front edge, is connected to the body 32 of the mounting frame 30 to form a kind of hinge.

Chaque dent d'encliquetage 36 est alors située à proximité du bord arrière de la patte de flexion 35 correspondante. Chaque dent d'encliquetage 36 présente une face avant plane qui est adaptée à s'accrocher au bord avant de la fenêtre 96 correspondante du support d'appareillage 90, et une face arrière inclinée vers l'extérieur pour former une rampe permettant à la patte de flexion 35 de se déformer élastiquement vers l'intérieur lorsque le cadre de montage 30 est engagée dans le logement délimité par la nervure périphérique 95 de la plaque plane 99.Each snap tooth 36 is then located near the edge rear of the corresponding flexure tab 35. Each ratchet tooth 36 has a flat front face which is adapted to hook to the front edge of the corresponding window 96 of the equipment support 90, and a rear face inclined outwards to form a ramp allowing the leg flexion 35 to deform elastically inwardly when the mounting frame 30 is engaged in the housing delimited by the peripheral ridge 95 of the flat plate 99.

Comme le montre la figure 1, la plaque d'habillage 50 présente une forme de cadre carré, avec une ouverture centrale 51 carrée.As shown in figure 1 , the trim plate 50 has a square frame shape, with a central opening 51 square.

Tandis que cette plaque d'habillage 50 est conçue pour recouvrir esthétiquement le support d'appareillage 90, l'ouverture centrale 51 est conçue pour laisser un accès à l'entraineur 73 du mécanisme d'appareillage 70.While this trim plate 50 is designed to aesthetically cover the switchgear support 90, the central opening 51 is designed to allow access to the trainer 73 of the switchgear mechanism 70.

Cette plaque d'habillage 50 est bombée de telle manière que ses bords sont recourbés vers l'arrière pour pouvoir s'appliquer contre la paroi dans laquelle est encastrée la boîte électrique (tout autour du support d'appareillage 90).This trim plate 50 is curved so that its edges are bent backwards to be able to be applied against the wall in which is embedded the electrical box (all around the equipment support 90).

Comme le montre la figure 1, le support d'appareillage 90 comporte des moyens d'assujettissement 94 de cette plaque d'habillage 50.As shown in figure 1 , the equipment support 90 comprises securing means 94 of this covering plate 50.

Ces moyens d'assujettissement se présentent ici sous la forme de pattes d'encliquetage 94 qui s'élèvent à partir de la face avant de la plaque plane 99 et qui portent sur leurs faces externes des dents d'encliquetage adaptées à s'accrocher à des nervures 52 prévues en correspondance sur la face interne des bords recourbés de la plaque d'habillage 50 (voir figure 6).These securing means are here in the form of snap tabs 94 which rise from the front face of the flat plate 99 and which bear on their outer faces snap teeth adapted to cling to ribs 52 provided in correspondence on the inner face of the curved edges of the trim plate 50 (see figure 6 ).

Sur les figures 7 à 10, on a représenté le commutateur électrique 1 avec sa touche de commande 10 dans quatre positions distinctes.On the Figures 7 to 10 , the electric switch 1 with its control key 10 is shown in four different positions.

Sur la figure 7, la touche de commande 10 est au repos. Elle est maintenue dans cette position par le ressort 78 qui repousse l'entraîneur 73 vers l'avant.On the figure 7 the control key 10 is at rest. It is held in this position by the spring 78 which pushes the coach 73 forward.

Comme le montre la figure 8, lorsqu'un appui est exercé au centre de la face avant de la façade 11 de la touche de commande 10, cette dernière s'enfonce dans le cadre de montage 30, suivant un mouvement de translation d'axe A0.As shown in figure 8 when a support is exerted in the center of the front face of the front 11 of the control key 10, the latter sinks into the mounting frame 30, in a translation movement axis A0.

Comme le montrent les figures 9 et 10, lorsqu'un appui est exercé au milieu d'un côté de la face avant de la façade 11 de la touche de commande 10, cette dernière bascule dans le cadre de montage 30, suivant un mouvement de rotation d'axe A1 ou A2 ou A3 ou A4.As shown by Figures 9 and 10 when a support is exerted in the middle of one side of the front face of the front 11 of the control key 10, the latter switches into the mounting frame 30, in a movement of axis rotation A1 or A2 or A3 or A4.

Enfin, lorsqu'un appui est exercé dans un coin de la face avant de la façade 11 de la touche de commande 10, cette dernière bascule dans le cadre de montage 30, suivant un mouvement de rotation d'axe A5 ou A6 ou A7 ou A8.Finally, when a support is exerted in a corner of the front face of the front 11 of the control key 10, the latter switches in the mounting frame 30, in a rotational movement axis A5 or A6 or A7 or AT 8.

Ces mouvements de translation ou de rotation ont tous pour effet d'enfoncer l'entraîneur 73 pour commuter le mécanisme d'appareillage 70.These translation or rotation movements all have the effect of driving the driver 73 to switch the equipment mechanism 70.

On notera ici que l'ouverture d'accès 31 délimitée par le cadre de montage 30 pour accueillir la touche de commande 10 présentera des dimensions égales, au jeu de fonctionnement près, aux dimensions extérieures du rebord 12 de la touche de commande 10. Le jeu de fonctionnement devra être choisi pour permettre à la touche de commande de basculer autour des huit axes de rotation précités A1, A2, A3, A4, A5, A6, A7, A8.It will be noted here that the access opening 31 delimited by the mounting frame 30 to accommodate the control key 10 will have dimensions equal, with the operating clearance, to the outer dimensions of the flange 12 of the control key 10. operating clearance shall be selected to allow the control key to switch around the above-mentioned eight axes of rotation A1, A2, A3, A4, A5, A6, A7, A8.

La présente invention n'est nullement limitée au mode de réalisation décrit et représenté, mais l'homme du métier saura y apporter toute variante conforme à son esprit.The present invention is not limited to the embodiment described and shown, but the art can apply any variant within his mind.

On pourra ainsi prévoir, comme le montre la figure 11, que la touche de commande 110 ne comporte des dents 113 que sur deux côtés opposés de son rebord 112.We can thus predict, as shown in figure 11 , that the control key 110 has teeth 113 only on two opposite sides of its flange 112.

Dans cette variante, le cadre de montage 130 sera alors dépourvu d'encoches sur deux de ses branches, de manière à ne comporter des gorges 133 que sur deux branches opposées.In this variant, the mounting frame 130 will then be devoid of notches on two of its branches, so as to have grooves 133 only on two opposite branches.

Ainsi, en prévoyant un « jeu de montage » entre le cadre de montage 130 et les côtés de la façade 112 dépourvus de dents 113, qui est inférieur au « jeu de fonctionnement » entre le cadre de montage 130 et les côtés de la façade 112 équipés des dents 113, on s'assurera que la touche de commande 110 ne puisse basculer qu'autour de deux axes distincts et parallèles.Thus, by providing a "mounting clearance" between the mounting frame 130 and the sides of the facade 112 without teeth 113, which is less than the "clearance of operation" between the mounting frame 130 and the sides of the facade 112. equipped with teeth 113, it will be ensured that the control key 110 can only tilt around two separate and parallel axes.

Selon une autre variante de l'invention non représentée sur les figures, on pourrait prévoir que la plaque d'habillage et le cadre de montage forment une seule pièce monobloc. Dans cette variante, le cadre de montage sera alors adapté à recouvrir esthétiquement la face avant et les bords du support d'appareillage.According to another variant of the invention not shown in the figures, it could be provided that the trim plate and the mounting frame form a single piece. In this variant, the mounting frame will then be adapted to aesthetically cover the front face and the edges of the equipment support.

Claims (12)

  1. An electrical switch (1) comprising:
    • a switch mechanism (71) that is housed in an insulating base (72) that is open at the front, at least in part;
    • a mounting frame (30) that is stationary relative to the insulating base (72) and that presents an access opening (31) for accessing the switch mechanism (71); and
    • a control button (10) that comprises firstly a front portion (11) that is engaged through the access opening (31) of the mounting frame (30) so as to be user-accessible, and secondly mounting means (13) that tilt on said mounting frame (30) about at least two distinct axes (A1, A2, A3, A4, A5, A6, A7, A8), so as to be movable between a stable rest position and at least two actuation positions of the switch mechanism (71);
    said mounting means comprise at least two teeth (13) that project from the edge of said front portion (11) and, when the control button (10) is in its rest position, are engaged in two grooves (33) that are provided at the rear of the mounting frame (30).
  2. An electrical switch (1) according to the preceding claim, wherein, the front portion (11) of the control button (10) and the mounting frame (30) present shapes that are rectangular, said two teeth (13) are provided projecting from two opposite sides of the edge of said front portion (11), and said two grooves (33) are provided recessed in two opposite branches of the mounting frame (30).
  3. An electrical switch (1) according to any preceding claim, wherein, the front portion (11) of the control button (10) and the mounting frame (30) present shapes that are rectangular, four teeth (13) are provided projecting from four respective sides of the edge of said front portion (11), and four grooves (33) are provided recessed in four respective branches of the mounting frame (30).
  4. An electrical switch (1) according to the preceding claim, wherein four pairs of teeth (13) are provided projecting from four respective sides of the edge of said front portion (11), and four pairs of grooves (33) are provided recessed in four respective branches of the mounting frame (30), the teeth (13) of each pair of teeth (13) being situated at a distance from each other.
  5. An electrical switch (1) according to any preceding claim, wherein the front portion (11) is bordered at the rear by a rim (12), and said teeth (13) extend from the rim (12) and are curved towards the front.
  6. An electrical switch (1) according to any one of claims 1 to 5, wherein each groove (33) presents at least one profiled portion of cross-section that is a circularly arcuate.
  7. An electrical switch (1) according to the preceding claim, wherein each tooth (13) presents at least one profiled portion of cross-section that is a circularly arcuate, having a diameter that is identical to the diameter of the circularly arcuate portion of each groove (33) .
  8. An electrical switch (1) according to any one of claims 1 to 5, wherein each groove (233) presents at least one profiled portion of dihedral cross-section.
  9. An electrical switch (1) according to the preceding claim, wherein each tooth (213) presents at least one profiled portion of cross-section that presents a bevel, of angle at the apex that is less than the dihedral angle of each groove (233).
  10. An electrical switch (1) according to any preceding claim, wherein an accessory support (90) is provided that is fitted with fastener means (92) for fastening to an electrical box, with first securing means (93) for securing the insulating base (72) of the switch mechanism (71), and with second securing means (96) for securing the mounting frame (30).
  11. An electrical switch (1) according to claim 10, wherein said accessory support (90) also includes third securing means (94) for securing a cover plate (50) that is adapted to cover the outside edge of said accessory support (90) and to border and/or cover said mounting frame (30).
  12. An electrical switch according to claim 10, wherein said mounting frame is adapted to cover the outside edge of said accessory support.
EP14719059.9A 2013-04-23 2014-03-31 Electric switch with monostable control button Active EP2989651B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1353674A FR3004849B1 (en) 2013-04-23 2013-04-23 ELECTRICAL SWITCH WITH MONOSTABLE CONTROL BUTTON
PCT/FR2014/050761 WO2014174170A1 (en) 2013-04-23 2014-03-31 Electric switch with monostable control button

Publications (2)

Publication Number Publication Date
EP2989651A1 EP2989651A1 (en) 2016-03-02
EP2989651B1 true EP2989651B1 (en) 2018-10-31

Family

ID=48782423

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14719059.9A Active EP2989651B1 (en) 2013-04-23 2014-03-31 Electric switch with monostable control button

Country Status (6)

Country Link
EP (1) EP2989651B1 (en)
CN (1) CN105229767B (en)
BR (1) BR112015026340A2 (en)
FR (1) FR3004849B1 (en)
RU (1) RU2663812C2 (en)
WO (1) WO2014174170A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3654473B1 (en) * 2018-11-16 2021-03-03 GIRA GIERSIEPEN GmbH & Co. KG Electric switch
FR3105625B1 (en) * 2019-12-20 2023-10-27 Legrand France Electrical equipment mechanism, electrical assembly and associated electrical equipment
RU207420U1 (en) * 2021-02-19 2021-10-28 Общество с ограниченной ответственностью "ИЭК ХОЛДИНГ" Self-resetting rocker switch

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU782003A1 (en) * 1979-01-09 1980-11-23 Предприятие П/Я А-7211 Key-operated change-over switch
DE19802292C1 (en) * 1998-01-22 1999-08-26 Rafi Gmbh & Co Kg Elektrotechn Push button
US7250579B2 (en) 2005-09-21 2007-07-31 Micro Pneumatic Logic, Inc. Large actuation area switching device
FR2938371B1 (en) * 2008-11-13 2010-11-19 Legrand France ELECTRICAL SWITCH TYPE "PUSH-PUSH" OR "PUSH-DOWN" WITH WAYS OF DRIVING NUTS
WO2010097305A1 (en) * 2009-02-27 2010-09-02 Basell Polyolefine Gmbh Multistage process for the polymerization of ethylene
CN201422187Y (en) * 2009-05-31 2010-03-10 黄华道 Soft-touch light-adjusting switch

Non-Patent Citations (1)

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Title
None *

Also Published As

Publication number Publication date
RU2015149982A (en) 2017-05-25
CN105229767A (en) 2016-01-06
FR3004849A1 (en) 2014-10-24
EP2989651A1 (en) 2016-03-02
WO2014174170A1 (en) 2014-10-30
CN105229767B (en) 2017-09-19
RU2663812C2 (en) 2018-08-10
BR112015026340A2 (en) 2017-07-25
FR3004849B1 (en) 2015-04-10

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