EP0010997A1 - Tumbler switch - Google Patents

Tumbler switch Download PDF

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Publication number
EP0010997A1
EP0010997A1 EP79400613A EP79400613A EP0010997A1 EP 0010997 A1 EP0010997 A1 EP 0010997A1 EP 79400613 A EP79400613 A EP 79400613A EP 79400613 A EP79400613 A EP 79400613A EP 0010997 A1 EP0010997 A1 EP 0010997A1
Authority
EP
European Patent Office
Prior art keywords
switch
switch according
spring
fixed part
housings
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP79400613A
Other languages
German (de)
French (fr)
Other versions
EP0010997B1 (en
Inventor
Jean Normand
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.)
OFFERTA DI LICENZA AL PUBBLICO
Original Assignee
Automobiles Peugeot SA
Automobiles Citroen SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Automobiles Peugeot SA, Automobiles Citroen SA filed Critical Automobiles Peugeot SA
Publication of EP0010997A1 publication Critical patent/EP0010997A1/en
Application granted granted Critical
Publication of EP0010997B1 publication Critical patent/EP0010997B1/en
Expired legal-status Critical Current

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H21/00—Switches operated by an operating part in the form of a pivotable member acted upon directly by a solid body, e.g. by a hand
    • H01H21/02—Details
    • H01H21/18—Movable parts; Contacts mounted thereon
    • H01H21/22—Operating parts, e.g. handle
    • H01H21/24—Operating parts, e.g. handle biased to return to normal position upon removal of operating force
    • H01H21/28—Operating parts, e.g. handle biased to return to normal position upon removal of operating force adapted for actuation at a limit or other predetermined position in the path of a body, the relative movement of switch and body being primarily for a purpose other than the actuation of the switch, e.g. door switch, limit switch, floor-levelling switch of a lift
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H21/00—Switches operated by an operating part in the form of a pivotable member acted upon directly by a solid body, e.g. by a hand
    • H01H21/02—Details
    • H01H21/04—Cases; Covers

Definitions

  • the present invention due to the collaboration of Mr. Jean NORMAND relates to a switch, closed in the rest position, and opened by tilting a movable part against a return spring.
  • a switch is usually used to control the correct positioning of a movable member with respect to a fixed assembly, by opening an electrical control circuit on which said switch is interposed.
  • the object of the invention is to provide a switch of this type which is particularly inexpensive, robust, the contacts of which are well protected and which can be mounted, either by one or the other of two opposite faces, so to be able to be used to operate in two symmetrical positions with respect to each other.
  • the subject of the invention is therefore a tilting switch comprising a fixed part on which a mobile part is articulated, a return spring tending to bring the mobile part into a closed position of an electrical circuit and itself ensuring the closing of '' at least one electrical circuit, by abutment on at least one fixed contact, characterized in that the movable part is constituted by a hollow plastic body, formed of two half-housings closed by elastic engagement one on the other around two pins provided on the fixed part, the spring being arranged in said hollow body.
  • the switch shown therefore includes a fixed part 1 and a mobile part 2.
  • the fixed part 1 has a central wall 3, two cylindrical pins 4 and two lateral flanges 5. Holes 6 provided in the flanges and the pins allow the passage of a fixing screw 7.
  • the movable part 2 is formed by two half-housings 10, 11 connected by a hinge 12 made of material constituted by a thinning of the wall of the half-housings.
  • the two half-housings close one on the other, around the pins 4, along a joint plane 13, to form a hollow body. Maintaining the closed position is ensured by elastic engagement or clipping of a lug 14, carried by the half-housing 10, between ribs 15, 16 : 17 carried by the half-housing 11.
  • a return spring 18 has two windings 19 of opposite directions around the screw 7. These windings are separated by a loop 20 intended to cooperate with the contact pads 8. The ends 21 of the spring are engaged in housings 22 formed in the wall 3.
  • the end of the loop 20 is disposed between the rib 15 and the bottom of the half-housing 10 and the force exerted by the spring on this rib 15 tends to keep it in abutment against the contact pads 8. In this position, two independent electrical circuits are closed by return of current to the ground through the screw 7 and a support 23 on which the switch is fixed.
  • the flanges 5 carry protuberances 25 making it possible to precisely position the switch relative to the support on which it is fixed.
  • the switch which has just been described can, for example, be used to check the correct closing state of a motor vehicle door.
  • Fig. 4 shows such an example of application, the switch being fixed and positioned with respect to a keeper 26 and its tilting being caused by the housing 27 of the lock mechanism, when the bolt 28 is fully engaged on the keeper.

Landscapes

  • Push-Button Switches (AREA)
  • Tumbler Switches (AREA)
  • Switch Cases, Indication, And Locking (AREA)

Abstract

1. A swing-over switch comprising a fixed part (1) on which is pivotally mounted a movable part (2), a return spring (18) biasing the movable part to a position for closing an electric circuit and itself ensuring the closure of at least one electric circuit by abutment against at least one fixed contact (8), characterized in that the movable part (2) is constituted by a hollow body of plastics material formed by two half-cases (10, 11) which are closed by an elastic clipping together around two journals (4) formed on the fixed part (1) and provided with apertures (6) for the passage of a fixing element (7), the spring (18) being disposed in said movable part (2).

Description

La présente invention due à la collaboration de Monsieur Jean NORMAND concerne un interrupteur, fermé en position de repos, et ouvert par basculement d'une partie mobile à l'encontre d'un ressort de rappel. Un tel interrupteur est habituellement utilisé pour contrôler le bon positionnement d'un organe mobile par rapport à un ensemble fixe, par ouverture d'un circuit électrique de contrôle sur lequel est interposé ledit interrupteur.The present invention due to the collaboration of Mr. Jean NORMAND relates to a switch, closed in the rest position, and opened by tilting a movable part against a return spring. Such a switch is usually used to control the correct positioning of a movable member with respect to a fixed assembly, by opening an electrical control circuit on which said switch is interposed.

Le but de l'invention est de réaliser un interrupteur de ce type qui soit particulièrement bon marché, robuste, dont les contacts soient bien protégés et qui puisse être monté, indifféremment par l'une ou l'autre de deux faces opposées, de façon à pouvoir être utilisé pour fonctionner dans deux positions symétriques l'une par rapport à l'autre.The object of the invention is to provide a switch of this type which is particularly inexpensive, robust, the contacts of which are well protected and which can be mounted, either by one or the other of two opposite faces, so to be able to be used to operate in two symmetrical positions with respect to each other.

L'invention a donc pour objet un interrupteur basculant comprenant une partie fixe sur laquelle est articulée une partie mobile, un ressort de rappel tendant à ramener la partie mobile dans une position de fermeture d'un circuit électrique et assurant lui-même la fermeture d'au moins un circuit électrique, par butée sur au moins un contact fixe, caractérisé en ce que la partie mobile est constituée par un corps creux en matière plastique, formé de deux demi-boîtiers refermés par enclenchement élastique l'un sur l'autre autour de deux tourillons ménagés sur la partie fixe, le ressort étant disposé dans ledit corps creux.The subject of the invention is therefore a tilting switch comprising a fixed part on which a mobile part is articulated, a return spring tending to bring the mobile part into a closed position of an electrical circuit and itself ensuring the closing of '' at least one electrical circuit, by abutment on at least one fixed contact, characterized in that the movable part is constituted by a hollow plastic body, formed of two half-housings closed by elastic engagement one on the other around two pins provided on the fixed part, the spring being arranged in said hollow body.

Un exemple de réalisation fait l'objet de la description qui suit, en référence aux dessins joints dans lesquels :

  • - la Fig. 1 est une vue en élévation et en coupe de l'interrupteur;
  • - la Fig. 2 est une coupe suivant la ligne 2-2 de la Fig. 1;
  • - la Fig. 3 est une coupe suivant la ligne 3-3 de la Fig. 1, et
  • - la Fig. 4 montre un exemple d'application de l'interrupteur suivant l'invention.
An exemplary embodiment is the subject of the following description, with reference to the accompanying drawings in which:
  • - Fig. 1 is an elevational and sectional view of the switch;
  • - Fig. 2 is a section along line 2-2 of FIG. 1;
  • - Fig. 3 is a section along line 3-3 in FIG. 1, and
  • - Fig. 4 shows an example of application of the switch according to the invention.

L'interrupteur représenté comprend donc une partie fixe 1 et une partie mobile 2.The switch shown therefore includes a fixed part 1 and a mobile part 2.

La partie fixe 1 présente une paroi centrale 3, deux tourillons cylindriques 4 et deux flasques latéraux 5. Des orifices 6 ménagés dans les flasques et les tourillons permettent le passage d'une vis de fixation 7.The fixed part 1 has a central wall 3, two cylindrical pins 4 and two lateral flanges 5. Holes 6 provided in the flanges and the pins allow the passage of a fixing screw 7.

Sur la paroi 3 sont rivés deux plots de contact 8 reliés chacun à un conducteur électrique 9.On the wall 3 are riveted two contact pads 8 each connected to an electrical conductor 9.

La partie mobile 2 est formée de deux demi- boîtiers 10, 11 reliés par une charnière 12 venue de matière constituée par un amincissement de la paroi des demi-boîtiers. Les deux demi-boîtiers se referment l'un sur l'autre, autour des tourillons 4, suivant un plan de joint 13, pour former un corps creux. Le maintien en position de fermeture est assuré par enclenchement élastique ou clipage d'un ergot 14, porté par le demi-boîtier 10, entre des nervures 15, 16: 17 portées par le demi-boîtier 11.The movable part 2 is formed by two half-housings 10, 11 connected by a hinge 12 made of material constituted by a thinning of the wall of the half-housings. The two half-housings close one on the other, around the pins 4, along a joint plane 13, to form a hollow body. Maintaining the closed position is ensured by elastic engagement or clipping of a lug 14, carried by the half-housing 10, between ribs 15, 16 : 17 carried by the half-housing 11.

Un ressort de rappel 18 présente deux enroulements 19 de sens inverses autour de la vis 7. Ces enroulements sont séparés par une boucle 20 destinée à coopérer avec les plots de contact 8. Les extrémités 21 du ressort sont engagées dans des logements 22 ménagés dans la paroi 3.A return spring 18 has two windings 19 of opposite directions around the screw 7. These windings are separated by a loop 20 intended to cooperate with the contact pads 8. The ends 21 of the spring are engaged in housings 22 formed in the wall 3.

L'extrémité de la boucle 20 est disposée entre la nervure 15 et le fond du demi-boîtier 10 et l'effort exercé par le ressort sur cette nervure 15 tend à le maintenir en butée contre les plots de contact 8. Dans cette position, deux circuits électriques indépendants l'un de l'autre sont fermés par retour du courant à la masse à travers la vis 7 et un support 23 sur lequel l'interrupteur est fixé.The end of the loop 20 is disposed between the rib 15 and the bottom of the half-housing 10 and the force exerted by the spring on this rib 15 tends to keep it in abutment against the contact pads 8. In this position, two independent electrical circuits are closed by return of current to the ground through the screw 7 and a support 23 on which the switch is fixed.

Il est intéressant de noter que le ressort 18 étant bien maintenu par la paroi 3, il reste en place même lorsque la vis 7 est retirée, ce qui permet de monter l'interrupteur indifféremment par l'une ou l'autre des faces opposées des flasques 5. Cependant, un bossage 24 peut être prévu dans le demi-boîtier 10 pour garantir une limitation du déplacement éventuel du ressort en l'absence de vis.It is interesting to note that the spring 18 being well maintained by the wall 3, it remains in place even when the screw 7 is removed, which makes it possible to mount the switch indifferently by one or the other of the opposite faces of the flanges 5. However, a boss 24 can be provided in the half-housing 10 to guarantee a limitation of the possible movement of the spring in the absence of screws.

De préférence, les flasques 5 portent des excroissances 25 permettant de positionner de façon précise l'interrupteur par rapport au support sur lequel il est fixé.Preferably, the flanges 5 carry protuberances 25 making it possible to precisely position the switch relative to the support on which it is fixed.

Le fonctionnement de l'interrupteur découle de la description qui vient d'en être faite : il suffit d'un basculement de la partie mobile 2 dans le sens de la flèche F pour repousser le ressort 18 des plots de contact 8 et assurer ainsi l'ouverture de l'interrupteur et la coupure des circuits électriques dans lesquels il est monté.The operation of the switch follows from the description which has just been given: it suffices for the movable part 2 to tilt in the direction of the arrow F to push the spring 18 from the contact pads 8 and thus ensure opening of the switch and breaking of the electrical circuits in which it is mounted.

L'interrupteur qui vient d'être décrit peut, par exemple, être utilisé pour contrôler le bon état de fermeture d'une porte de véhicule automobile.The switch which has just been described can, for example, be used to check the correct closing state of a motor vehicle door.

La Fig. 4 montre un tel exemple d'application, l'interrupteur étant fixé et positionné par rapport à une gâche 26 et son basculement étant provoqué par le boîtier 27 de mécanisme de serrure, lorsque le pène 28 est complètement engagé sur la gâche.Fig. 4 shows such an example of application, the switch being fixed and positioned with respect to a keeper 26 and its tilting being caused by the housing 27 of the lock mechanism, when the bolt 28 is fully engaged on the keeper.

Claims (9)

1. Interrupteur basculant comprenant une partie fixe sur laquelle est articulée une partie mobile, un ressort de rappel tendant à ramener la partie mobile dans une position de fermeture d'un circuit électrique et assurant lui-même la fermeture d'au moins un circuit électrique, par butée sur au moins un contact fixe, caractérisé en ce que la partie mobile (2) est constituée par un corps creux en matière plastique, formé de deux demi-boîtiers (10,11) refermés par enclenchement élastique l'un sur l'autre autour de deux tourillons (4) ménagés sur la partie fixe (1), le ressort (18) étant disposé dans ledit corps creux.1. Tilting switch comprising a fixed part on which a mobile part is articulated, a return spring tending to bring the mobile part into a closed position of an electric circuit and itself ensuring the closing of at least one electric circuit , by abutment on at least one fixed contact, characterized in that the movable part (2) is constituted by a hollow plastic body, formed by two half-housings (10,11) closed by elastic engagement one on the other around two pins (4) formed on the fixed part (1), the spring (18) being disposed in said hollow body. 2. Interrupteur suivant la revendication 1, caractérisé en ce que les deux demi-boîtiers (10,11) formant le corps de la partie mobile sont reliées par une charnière (12) venue de matière, constituée par un amincissement de la paroi des demi-boîtiers, et se referment autour des tourillons (4) de la partie fixe (3) par enclenchement élastique d'un ergot (14) porté par un demi-boîtier (10) dans un élément femelle (15, 16,17) porté par l'autre demi-boîtier (11).2. Switch according to claim 1, characterized in that the two half-housings (10,11) forming the body of the movable part are connected by a hinge (12) made of material, constituted by a thinning of the wall of the half -cases, and close around the pins (4) of the fixed part (3) by elastic engagement of a lug (14) carried by a half-housing (10) in a female element (15, 16,17) carried by the other half-housing (11). 3. Interrupteur suivant l'une quelconque des revendications 1 et 2, caractérisé en ce que la partie fixe (1) comporte deux flasques latéraux (5) extérieurs aux tourillons (4), des orifices (6) ménagés dans les flasques et les tourillons permettant le passage d'une vis (7) de fixation de l'interrupteur.3. Switch according to any one of claims 1 and 2, characterized in that the fixed part (1) comprises two lateral flanges (5) external to the pins (4), orifices (6) formed in the flanges and the pins allowing the passage of a screw (7) for fixing the switch. 4. Interrupteur suivant l'une quelconque des revendications précédentes, caractérisé en ce que la partie fixe (1) comporte en outre une paroi centrale (3) sur laquelle est monté au moins un plot de contact (8), relié à un conducteur (9), ledit ressort (18) de rappel de la partie mobile (2) comportant une boucle (20) formant le contact mobile de l'interrupteur et destinée à coopérer avec le ou les plots de contact (8).4. Switch according to any one of the preceding claims, characterized in that the fixed part (1) further comprises a central wall (3) on which is mounted at least one contact pad (8), connected to a conductor ( 9), said spring (18) for returning the movable part (2) comprising a loop (20) forming the movable contact of the switch and intended to cooperate with the contact pad (s) (8). 5. Interrupteur suivant l'une quelconque des revendications 3 et 4, caractérisé en ce que ledit ressort (18) comporte deux enroulements (19) séparés par ladite boucle (20) et traversés par la vis (7) de fixation de l'interrupteur qui constitue l'organe de retour à la masse.5. Switch according to any one of claims 3 and 4, characterized in that said spring (18) comprises two windings (19) separated by said loop (20) and crossed by the screw (7) for fixing the switch which constitutes the body of return to the mass. 6. Interrupteur suivant l'une quelconque des revendications 2 à 5, caractérisé en ce que ledit élément femelle destiné à recevoir ledit ergot (14) est constitué par des nervures (15, 16, 17).6. Switch according to any one of claims 2 to 5, characterized in that said female element intended to receive said lug (14) is constituted by ribs (15, 16, 17). 7. Interrupteur suivant l'une quelconque des revendications 5 et 6, caractérisé en ce que l'extrémité de la boucle (20) est disposée entre le fond de l'un des demi-boîtiers (10) et une nervure (15) dudit élément femelle portée par l'autre demi-boîtier (11).7. Switch according to any one of claims 5 and 6, characterized in that the end of the loop (20) is disposed between the bottom of one of the half-housings (10) and a rib (15) of said female element carried by the other half-housing (11). 8. Interrupteur suivant l'une quelconque des revendications 1 à 7, caractérisé en ce que la partie fixe (1) comporte des excroissances (25) de positionnement de l'interrupteur par rapport à un support.8. Switch according to any one of claims 1 to 7, characterized in that the fixed part (1) has protuberances (25) for positioning the switch relative to a support. 9. Interrupteur suivant l'une quelconque des revendications 5 à 8, caractérisé en ce qu'un bossage (24) de limitation des déplacements du ressort (18) en l'absence de la vis de fixation (7) est prévu à l'intérieur de l'un desdits demi-boîtiers (10).9. Switch according to any one of claims 5 to 8, characterized in that a boss (24) limiting movement of the spring (18) in the absence of the fixing screw (7) is provided in the interior of one of said half-housings (10).
EP19790400613 1978-10-16 1979-09-04 Tumbler switch Expired EP0010997B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7829374 1978-10-16
FR7829374A FR2439468A1 (en) 1978-10-16 1978-10-16 TILT SWITCH

Publications (2)

Publication Number Publication Date
EP0010997A1 true EP0010997A1 (en) 1980-05-14
EP0010997B1 EP0010997B1 (en) 1981-11-11

Family

ID=9213763

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19790400613 Expired EP0010997B1 (en) 1978-10-16 1979-09-04 Tumbler switch

Country Status (3)

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EP (1) EP0010997B1 (en)
DE (1) DE2961324D1 (en)
FR (1) FR2439468A1 (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB520459A (en) * 1937-10-30 1940-04-24 British Thomson Houston Co Ltd Improvements in and relating to retractive electric switches
US2447452A (en) * 1946-03-05 1948-08-17 Leo C Zee Electrical switch
FR2019176A1 (en) * 1968-09-30 1970-06-26 Lucas Industries Ltd
US3713670A (en) * 1972-01-04 1973-01-30 Amp Inc Waterproof rocker arm switch assembly
FR2307453A7 (en) * 1975-04-10 1976-11-05 Mecanismes Comp Ind De General purpose single pole switch - acts on the reduction in area of a plastic triangle

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB520459A (en) * 1937-10-30 1940-04-24 British Thomson Houston Co Ltd Improvements in and relating to retractive electric switches
US2447452A (en) * 1946-03-05 1948-08-17 Leo C Zee Electrical switch
FR2019176A1 (en) * 1968-09-30 1970-06-26 Lucas Industries Ltd
US3713670A (en) * 1972-01-04 1973-01-30 Amp Inc Waterproof rocker arm switch assembly
FR2307453A7 (en) * 1975-04-10 1976-11-05 Mecanismes Comp Ind De General purpose single pole switch - acts on the reduction in area of a plastic triangle

Also Published As

Publication number Publication date
FR2439468A1 (en) 1980-05-16
FR2439468B1 (en) 1981-12-18
DE2961324D1 (en) 1982-01-14
EP0010997B1 (en) 1981-11-11

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