EP0223097A2 - Interrupteur à bascule - Google Patents

Interrupteur à bascule Download PDF

Info

Publication number
EP0223097A2
EP0223097A2 EP86114670A EP86114670A EP0223097A2 EP 0223097 A2 EP0223097 A2 EP 0223097A2 EP 86114670 A EP86114670 A EP 86114670A EP 86114670 A EP86114670 A EP 86114670A EP 0223097 A2 EP0223097 A2 EP 0223097A2
Authority
EP
European Patent Office
Prior art keywords
rocker arm
housing
membrane
shaft part
rocker
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
EP86114670A
Other languages
German (de)
English (en)
Other versions
EP0223097B1 (fr
EP0223097A3 (en
Inventor
Theobald Schmid
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.)
Hans Widmaier Fabrik fuer Apparate der Fernmelde und Feinwerktechnik ek
Original Assignee
Hans Widmaier Fabrik fuer Apparate der Fernmelde und Feinwerktechnik ek
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 Hans Widmaier Fabrik fuer Apparate der Fernmelde und Feinwerktechnik ek filed Critical Hans Widmaier Fabrik fuer Apparate der Fernmelde und Feinwerktechnik ek
Priority to AT86114670T priority Critical patent/ATE73261T1/de
Publication of EP0223097A2 publication Critical patent/EP0223097A2/fr
Publication of EP0223097A3 publication Critical patent/EP0223097A3/de
Application granted granted Critical
Publication of EP0223097B1 publication Critical patent/EP0223097B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H23/00—Tumbler or rocker switches, i.e. switches characterised by being operated by rocking an operating member in the form of a rocker button
    • H01H23/02—Details
    • H01H23/04—Cases; Covers
    • H01H23/06—Dustproof, splashproof, drip-proof, waterproof, or flameproof casings
    • H01H23/065—Casings hermetically closed by a diaphragm through which passes an actuating member

Definitions

  • the invention relates to rocker arm switches with a housing in which a rocker arm is pivotally mounted, which is used to actuate switching elements located in the housing, which interact with counter-contacts and whose shaft part protrudes from a housing opening, and with a sealing membrane between the wall of the housing opening and the rocker arm. Shaft part.
  • rocker arm switches of the type briefly described at the outset have been developed, with the rocker arm serving to actuate a rocker switch in a known rocker arm switch construction of this type and the sealing membrane has the shape of an annular disk which is clamped between the wall and the housing opening and the rocker arm shaft part is.
  • rocker switch are known in the field of; Pivot axis of the rocker arm have a ball joint-like rocker arm hub which is opposite the housing opening of the switch is sealed by an O-ring.
  • the frictional forces between the sealing ring and the counter sealing surfaces in turn cause an increase in the actuating forces to be applied. If foreign bodies enter between the O-ring and the counter sealing surfaces, the switch housing cannot be adequately sealed. Otherwise, this type of construction requires an essentially rotationally symmetrical shape of the components to be sealed off from one another.
  • the object of the invention is to achieve a rocker switch of the type described in the introduction in such a way that the sealing membrane seal between the switch housing opening and the rocker arm part protruding therefrom essentially does not impair the smooth operation of the switch and a reliable seal is then also achieved , if the inside diameter of the housing opening is not very much larger than the opposite outside diameter of the rocker arm shaft part, ie a disk-shaped sealing membrane cannot be attached.
  • the sealing membrane has the shape of an inverted membrane, the cross section of which is U-shaped or S-shaped with respect to one side.
  • the radially inner edge of the everting membrane lies against the pivot axis of the rocker arm and engages in particular around a groove or a shoulder of the rocker arm shaft part.
  • the radially outer edge of the inverted membrane can, in the case of a U-shaped cross section thereof, be held or clamped in a groove or undercut in the plane of the radially inner edge on the wall of the housing opening.
  • a practical, very advantageous embodiment of the rocker arm switch specified here provides that the switching elements are spring spiders attached to a hub of the rocker arm, these spring spiders preferably having contact spring arms of different radial lengths projecting from the side of the rocker arm shaft part such that the rocker arm - The area of the rocker arm facing the shaft part is kept clear for the everting membrane. In this way, it is possible to arrange the radially inner edge of the everting membrane on the rocker arm shaft part very close to its pivot axis, so that when the toggle lever is actuated, the everting membrane undergoes minimal deformation.
  • the radially outer edge of the inverted membrane can be clamped between an outwardly opening groove of the housing, which is preferably formed in two parts, and an outer housing jacket.
  • the side of the housing remote from the housing opening can finally be sealed or potted with plastic or plastic adhesive, so that the interior of the switch housing is hermetically sealed and is also protected against moisture, access to foreign bodies and a corrosive ambient atmosphere during the entire operating life or service life of the switch.
  • the toggle switch specified here has a housing consisting of two housing halves 1 and 2, in which bearings are provided at opposite points of the housing halves, in which bearing pins of a rocker arm hub 3 of a rocker arm 4 are mounted. From the rocker arm hub 3, a rocker arm shaft part 5 protrudes radially outward through a housing opening 6, so that the rocker arm hub 3 can be rotated about the pivot axis or rocker axis counterclockwise or clockwise by actuating the rocker arm shaft part 5.
  • Ipphebelnabe in K 3 are on both sides via rivet-like pins 7 K ontaktfederspinnen fixed 8 and 9, the contours of which are seen in Figure 1 of the drawing.
  • the contact spring spiders 8 and 9 have on a base 10 with reference to the illustration of FIG. 1, on the right and to the left, curved contact spring arms 11 and 12, the contact heads 13 and 14 of which each have a different radial distance from the pivot axis of the rocker arm 4.
  • a middle counter contact 15 runs from one Contact pin extending from the housing through a base of the relevant housing half through to the level of the housing inner surface, is bent there at 18 in the manner shown in FIG. 2 in order to remain out of contact with the contact head 13 of the contact spring arm 11 and then rises again Inner surface of the housing in order to form a contact path 19 which is exposed towards the inside of the housing and which cooperates with the contact head 14 of the contact spring arm 12 in order to maintain contact with this contact head irrespective of the position of the rocker arm 4.
  • the lateral counter-contacts 16 and 17 also run from the contact pins protruding from the switch housing through the respective housing base to the inner surface of the housing interior and, with reference to the illustration in FIG. 1, represent right and left side, large-area contact tracks 20 and 21, of which, depending on the switching position of the rocker arm 4, one or the other comes into contact with the contact head 13 of the contact spring arm 11.
  • the crescent-shaped or arcuate configuration of the contact spring arms 11 and 12 results in a sufficient spring length of the contact spring arms, regardless of the small radial distance from the pivot axis of the rocker arm 4.
  • a spring clip 22 is also inserted, the shape of which can be seen in FIG. 1 and the free legs of which are bent to form a cam switch in such a way that they can interact with a link profile on the peripheral surface of the rocker arm hub 3 in order to fix certain switching positions of the rocker arm 4, as the person skilled in the art will readily recognize from FIGS. 1 and 2 of the drawing.
  • the previously described switch construction is characterized in that the switch mechanism with the contact spring spiders 8 and 9 and the rocker arm hub 3 as well as the counter-contact elements 15, 16 and 17 within the halves 1 and 2, the housing formed is concentrated on the side of the switch, which is remote from the rocker shaft part is kept free so that the location on the side of the rocker arm area for a D ichtungskonstrutation which extends up close to the pivot axis of the rocker 5 .
  • an outwardly opening, circumferential groove 23 is provided there, in which a bead 24 engages with a U-shaped cover membrane 25 with respect to a cross-sectional side.
  • the inverted membrane extends over the U cross-sectional shape to a sleeve 26 surrounding the shaft part 5 of the rocker arm 4, which ends at a radially inner bead or edge 27 of approximately hook-shaped cross section, this inner edge engaging behind an undercut or a shoulder 28 of the shaft part 5 of the rocker arm 4 wherein the groove or undercut 28 characteristically ut near the plane of N is located 23 on the outside of the housing as well as near the pivot axis of the rocker arm. 4 It can be seen from FIGS. 1 and 2 that there is no difference in size between the diameter of the rocker arm shaft part 5 in the region of the groove 28 and the groove 23 on the outside of the housing.
  • the outer housing shell 29 has an upper slot-shaped opening 30 through which the rocker switch shaft part 5 protrudes from the switch housing.
  • the housing jacket 29 is hermetically sealed from the inner housing halves 1 and 2 in the manner indicated at 31 by an adhesive or plastic seal.
  • the contact pins protruding from the counter-contact elements are bent in the area of the housing base in such a way that the contact pins protrude in the same length on one side of the housing, as can be seen from FIGS. 1 and 2.

Landscapes

  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
  • Tumbler Switches (AREA)
  • Lock And Its Accessories (AREA)
EP86114670A 1985-10-24 1986-10-22 Interrupteur à bascule Expired - Lifetime EP0223097B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT86114670T ATE73261T1 (de) 1985-10-24 1986-10-22 Kipphebelschalter.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3537888 1985-10-24
DE19853537888 DE3537888A1 (de) 1985-10-24 1985-10-24 Kipphebelschalter

Publications (3)

Publication Number Publication Date
EP0223097A2 true EP0223097A2 (fr) 1987-05-27
EP0223097A3 EP0223097A3 (en) 1989-05-24
EP0223097B1 EP0223097B1 (fr) 1992-03-04

Family

ID=6284387

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86114670A Expired - Lifetime EP0223097B1 (fr) 1985-10-24 1986-10-22 Interrupteur à bascule

Country Status (3)

Country Link
EP (1) EP0223097B1 (fr)
AT (1) ATE73261T1 (fr)
DE (1) DE3537888A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017112723A1 (de) * 2017-06-09 2018-12-13 Valeo Schalter Und Sensoren Gmbh Bedienvorrichtung zum Bedienen zumindest eines Geräts in einem Kraftfahrzeug, mit einem Bedienelement und mit einer Schalteinrichtung mit einem Schiebeelement, Kraftfahrzeug sowie Verfahren

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB252536A (en) * 1925-05-16 1926-06-03 Andreas Peter Lundberg Improvements in electric switches
US1961864A (en) * 1931-07-29 1934-06-05 Johann G Peterson Electric switch
US2768258A (en) * 1954-04-27 1956-10-23 Gen Dynamics Corp Switching apparatus
US3041430A (en) * 1957-03-21 1962-06-26 Cutler Hammer Inc Electric switches
DE1753697U (de) * 1957-08-21 1957-10-10 Giersiepen Fa Richard Wasserdichter schalter.
DE6610684U (de) * 1966-09-23 1975-07-03 Siemens Ag Gekapselter abgedichteter installationsschalter.
FR1501943A (fr) * 1966-09-30 1967-11-18 Crouzet Sa Traversée étanche d'un organe de commande pour interrupteur hermétique

Also Published As

Publication number Publication date
ATE73261T1 (de) 1992-03-15
EP0223097B1 (fr) 1992-03-04
EP0223097A3 (en) 1989-05-24
DE3537888A1 (de) 1987-05-07

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