EP0166159B1 - Interrupteur électrique - Google Patents

Interrupteur électrique Download PDF

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Publication number
EP0166159B1
EP0166159B1 EP85105941A EP85105941A EP0166159B1 EP 0166159 B1 EP0166159 B1 EP 0166159B1 EP 85105941 A EP85105941 A EP 85105941A EP 85105941 A EP85105941 A EP 85105941A EP 0166159 B1 EP0166159 B1 EP 0166159B1
Authority
EP
European Patent Office
Prior art keywords
thrust
tappets
electrical switch
basic body
switch according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP85105941A
Other languages
German (de)
English (en)
Other versions
EP0166159A2 (fr
EP0166159A3 (en
Inventor
Reinhold Barlian
Martin Fischle
Karl-Heinz Lux
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to AT85105941T priority Critical patent/ATE57277T1/de
Publication of EP0166159A2 publication Critical patent/EP0166159A2/fr
Publication of EP0166159A3 publication Critical patent/EP0166159A3/de
Application granted granted Critical
Publication of EP0166159B1 publication Critical patent/EP0166159B1/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
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/02—Details
    • H01H13/12—Movable parts; Contacts mounted thereon
    • H01H13/20—Driving mechanisms
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/50—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member
    • H01H13/503—Stacked switches
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/001—Means for preventing or breaking contact-welding

Definitions

  • the invention relates to an electrical switch with the features of the preamble of claim 1.
  • the object of the invention is to develop an electrical switch with the features of the preamble in such a way that in the circumferential region of the latching or push-button switching elements on the side facing them within the holding frame, a concealed and separately telescopic transmission arrangement is achieved for each latching or push-button switching element.
  • the electrical switches 1 shown in the drawing are intended for attachment to a front panel 2 (FIGS. 9 and 10) of a control cabinet or the like and have an actuating attachment 3 which is attached to the front panel 2 with a screw nut 5 mounted on a threaded connector 4.
  • the actuating attachment 3 can be designed as a pushbutton, impact switch, key switch, rotary switch, illuminated pushbutton, toggle switch or the like, which are optionally used.
  • the actuating attachment 3 has a pressure pin 6 which, for example, can be axially displaced out of the threaded connector 4 against the force of a spring (not shown here).
  • On the threaded connector 4 there is an extension in which tangential slots are formed on two opposite sides.
  • the two parallel legs 7, 8 of a bow spring 9 engage in these slots and are fixed on the side of a base plate 10 of a holding frame 11 facing the actuating attachment 3.
  • the engagement of the bow spring 9 in the tangential slots at the attachment of the threaded connector 4 provides a snap fastening of the holding frame 11 on the actuating attachment 3. This snap fastening is secured against rotation due to the parallel alignment of the legs 7, 8 and the tangential slots.
  • the holding frame 11 which is preferably made of plastic, has two parallel outer walls 12, 13 on opposite sides of the rectangular base plate 10.
  • spring tongues 14 are made of the same material, the spring tongues 14 being arranged such that they extend in the opposite direction from the actuating attachment 3, like the outer walls 12, 13.
  • three spring tongues 14 are arranged parallel to one another at a distance, in such a way that two spring tongues 14 lying opposite each other on both sides are located in a plane parallel to the outer wall 12, 13.
  • the two outer walls 12, 13 and the total of six spring tongues 14 thus enclose an interior 15 facing away from the actuating attachment 3, which is delimited at the top in the fastening area of the actuating attachment 3 by the base plate 10.
  • key switch elements 16 are mounted, which are releasably attached to the spring tongues 14.
  • the push-button elements 16 have two retaining webs 17, 18 protruding into the interior 15, between which there is a free space, at the bottom 19 of which the plunger 20 of a microswitch 22 or the like arranged in the insulating housing 21 of the push-button element 16 protrudes.
  • detent beads 23 On the opposite sides of the holding bars 17, 18 detent beads 23 are formed, engage in the detents 24, which are formed on the free end regions of the spring tongues 14.
  • insertion bevels 25 are also formed, which rise from the free ends of the holding webs 17, 18 in the direction of the locking beads 23.
  • the lead-in bevels 25 enable the push-button switching elements 16 to be easily clipped onto the holding frame 11, the spring tongues 14 easily spreading apart slightly when the holding webs 17, 18 are inserted into the interior 15 and snap into the locking beads 23 in the end position with the locking lugs 24.
  • the transmission device 26 has a base body 29 and a guide frame 30.
  • the base body 29 is located in the plane on the inner surface of the base plate 10 also in the region of a hole 31 formed therein for the pressure pin 6 of the actuating attachment 3.
  • the guide frame 30 is essentially U-shaped and is with its side walls 32 on which Clip lugs 33 are formed, snapped onto the inside of the fastening walls 27, 28.
  • the lower wall 34 of the guide frame 30 has three openings 35 which are formed next to one another at a distance and are arranged coaxially to the plungers 20 of the push-button switching elements 16.
  • three spaced-apart guide sleeves 36 are formed coaxially to the openings 35 of the guide frame 30, in the center axis of which axle journals 37 are arranged, which are also formed on the base body 29.
  • the guide sleeves 36 also have inwardly projecting stop edges 38 on their edge region facing the lower wall 34 of the guide frame 30.
  • Independently arranged pusher pins 39 are arranged within the transmission device 26 and are essentially cup-shaped.
  • the pot space 42 of the pusher pin 39 which is enclosed by the pot wall 40 and the bottom wall 41, there is one overtravel spring 43 each, which is designed here as a helical compression spring.
  • the upper end of the overtravel springs 43 is supported on the base body 29 and centered on the engaging axle journal 37.
  • the lower end of the overstroke springs 43 presses against the bottom wall 41 of the pusher pin 39 on the inside.
  • the upper edge region of the pot wall 40 which is remote from the bottom wall 41, also has projections 44 which overlap the stop edges 38 of the guide sleeves 36, so that the pusher pin 39 despite the The force of the overtravel springs 43 cannot be pushed downward out of the guide sleeves 36, but can retract in the upward direction against the force of the overtravel springs 43, so that the pusher pins 39 can be individually telescoped in the axial direction of the tappets 20.
  • the pusher pins 39 are held approximately in the manner of a bayonet lock in the guide sleeves 36 and can be quickly inserted or exchanged easily by hand.
  • the pusher pins 39 penetrate the openings 35 in the lower wall of the guide frame 30 and the outer surface of the bottom wall 41 presses against the respective plunger 20 of the push-button elements 16.
  • the base body 29 of the transmission device 26 has a recess 45 opposite the central guide sleeve 36 which faces the pressure pin 6 of the actuating attachment 3.
  • a main compression spring 46 in the transmission device 26 which is supported on the one hand on the lower wall 34 of the guide frame 30 and on the other hand is centered on the middle guide sleeve 36 of the base body 29 located between the two outer guide sleeves 36.
  • the pusher pins 39 arranged at a distance from one another in a row all have the same length, so that the bottom walls 41 of the three pusher pins 39 are all in a single plane.
  • the pressure pin 6 of the actuating attachment 3 is displaced in the direction against the push-button switching elements 16, all the plungers 20 are simultaneously pressed downward into the switching position via the telescopic pusher pins 39 (FIG. 2).
  • the electrical switch 1 "of this exemplary embodiment has three push pins 39 ', 39", 39'"arranged in a row next to one another, the axial length of which is different.
  • the push pin 39 'shown on the left in the drawing is the shortest, the middle pusher pin 39 "has a normal, medium length, while the right pusher pin 39 '" has the greatest length, so that its bottom wall 41 is closest to the plunger 20.
  • the plunger 20 of the right key switch element 16 is first displaced, and then the middle plunger 20 is pressed in by the pusher pin 39 "and finally the plunger 20 of the left push-button element 16 is actuated by means of the left pusher pin 39 ', so that with this electric switch 1', the three push-button elements 16 are connected in series by a single actuation process on the actuating attachment 3
  • the differently long pusher pins 39 ′, 39 ′′, 39 ′′ ′′ are arranged in a different order in the transmission device 26 and / or the differences in the pusher pin lengths are kept larger or smaller.
  • FIG. 3 and 4 only two outer push-button elements 16 are provided, so that only two outer pusher pins 39 are arranged in the guide sleeves 36 in the transmission device 26.
  • the two pusher pins 39 are of equal length here.
  • the base body 29 is separated approximately in the central area, so that two base body parts 47, 48 are formed, each of which has one of the two guide sleeves 36.
  • Two individual compression springs 50 are supported on a center pin 49 mounted in the lower wall 34 of the guide frame 30. One of these individual compression springs 50 is assigned to one of the two base body parts 47, 48.
  • the FIG. 4 illustrates that when the push pin 6 of the actuating attachment 3 is moved out, only one of the two base body parts 47, 48 is pressed down, depending on which switching operation is initiated on the actuating attachment 3.
  • the right base body part 48 has been pressed down, so that the plunger 20 of the right push-button element 16 has been actuated via the right pusher pin 39.
  • the middle pusher pin 39 "" has a stop pin 51 which is formed on the bottom wall 41 and extends in the axial direction inside the pot space 42 upwards in the direction of the axle pin 37.
  • the stop pin 51 engages in the overtravel spring 43.
  • the stop pin 51 and the axle pin 37 collide, so that this results in a rigid pressure switching movement.
  • This mechanical stop makes it possible to forcibly open the switch contacts in the microswitch 22 of the push-button switching element 16.
  • the switch contacts are thus mechanically torn open.
  • the resilient intermediate member in the middle pusher pin 39 "" is thus designed to be smaller than in the other pusher pins 39 and there is also the possibility of deliberately dispensing with a resilient intermediate member for the positive shift opening.
  • the electrical switch 1 in the electrical switch 1 according to the invention with the individually arranged, independent pressure pins 39, advantageous possibilities are given for various individual operations. Different switching processes or switching sequences can thus be carried out by leading or lagging contact circuits.
  • FIG. 7 and 8 have the push-button elements 16 on the narrow outer sides of accessible terminals 52, in which electrical lines can be connected.
  • Each key switch element 16 here has on each of the two opposite narrow outer sides two superimposed connecting terminals 52, which are arranged somewhat offset from one another in the vertical plane shown.
  • the push-button elements 16 have connecting lines 53 which lead to the microswitch 22 and which can advantageously be sealed in the insulating housing 21 with a casting resin.
  • connecting line 53 it is also possible to provide several (for example four) individual connecting wires on the push-button switching element 16 and to lead them to the microswitch 22. These individual connection wires can also advantageously be sealed with a casting resin in the insulating housing 21 of the push-button element 16.

Landscapes

  • Push-Button Switches (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Lock And Its Accessories (AREA)
  • Air Bags (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Relay Circuits (AREA)

Claims (13)

1. Interrupteur électrique pourvu d'éléments de commutations (16) par encoches et par touches, susceptibles de s'enclencher séparément dans un cadre de maintien (11), d'un organe de manoeuvre (3) susceptible de se fixer sur le cadre de maintien (11) et de se monter sur une plaque frontale (2), et d'un dispositif de transmission (26), avec un ressort de pression (46), disposé entre une broche de pression (6) de l'organe de manoeuvre (3) et des poussoirs (20) des éléments de commutation (16) par encoches ou par touches, interrupteur électrique caractérisé en ce que le dispositif de transmission (26) est disposé dans une chambre intérieure (15), du cadre de maintien (11), recevant en même temps les éléments de commutation (16) par encoches ou par touches, au-dessous du plan d'un ressort (9) en forme d'étrier qui maintient l'organe de manoeuvre (3), dispositif de transmission comportant à cet endroit au moins deux pivots de poussée (39), qui sont montés sur un corps de base (29) pouvant se déplacer au moyen de la broche de pression (6) contre la force du ressort de pression (46), en ce que sont prévus au moins deux ressorts (43) de fin de course associés chaque fois séparément à ces pivots de poussée (39), et en ce que, à chaque poussoir (20) des éléments de commutation (16) par encoches ou par touches est associé chaque fois l'un des pivots de poussée (39) susceptibles de se télescoper séparément par l'intermédiaire des ressorts (43) de fin de course.
2. Interrupteur électrique selon la revendication précédente, caractérisé en ce que le corps de base (29) est monté avec les pivots de poussée (39) susceptibles de se télescoper dans un cadre de guidage (30) dont la paroi inférieure (34) présente des percements (35) pour les pivots de poussée (39) se déplaçant contre les poussoirs (20), et dont les parois latérales (32) sont crantées, par des ergots à clips (33), entre des parois de fixation (27, 28) dans la chambre intérieure (15) du cadre de maintien (11).
3. Interrupteur électrique selon la revendication précédente, caractérisé en ce que les pivots de poussée (39) du dispositif de transmission (26) sont constitués sensiblement en forme de pots, et en ce que les ressorts (43) de fin de course sont montés dans les espaces formant pots (42) des pivots de poussée (39) et s'appuient sur leurs parois de fond (41).
4. Interrupteur électrique selon l'une des revendications précédentes, caractérisé en ce que les pivots de poussée (39) du dispositif de transmission (26) sont montés de façon à pouvoir coulisser en direction axiale, avec des parties de paroi de pot (40), dans des manchons de guidage (36) constitués sur le corps de base (29) et, par des zones de bord, éloignées sur la paroi de fond (41), de saillies (44) constituées sur la paroi de pot (40), recouvrent des bords de butée (38) des manchons de guidage (36).
5. Interrupteur électrique selon l'une des revendications précédentes, caractérisé en ce que les ressorts (43) de fin de course des pivots de poussée (39) sont maintenus centrés sur des pivots axiaux (37) des manchons de guidage (36).
6. Interrupteur électrique selon l'une des revendications précédentes, caractérisé en ce que pour l'actionnement en parallèle des poussoirs (20), disposés dans un plan, des éléments de commutation (16) à touches, la longueur des pivots de poussée (39) montés sur le corps de base (29), à distance les uns à côté des autres, est la même.
7. Interrupteur électrique selon l'une des revendications 1 à 5, caractérisé en ce que, pour l'actionnement en série des poussoirs (20), disposés dans un plan, des éléments de commutations (16) à touches, les pivots de poussée (39) montés sur le corps de base (29), à distance les uns à côté des autres, sont réalisés de différentes longueurs.
8. Interrupteur électrique selon l'une des revendications précédentes, caractérisé en ce que le ressort de pression (46) du dispositif de transmission (26), par rapport à la paroi inférieure (34) du cadre de guidage (30), est monté centré, sur le manchon de guidage (36) médian du corps de base (29), entre deux manchons de guidage (36) latéraux.
9. Interrupteur électrique selon l'une des revendications précédentes, caractérisé en ce que le corps de base (29) du dispositif de transmission (26) comporte deux parties (47, 48) de corps de base, séparées l'une de l'autre, pourvues chacune d'au moins un manchon de guidage (36) et chacune d'un pivot de poussée (39), et en ce que, à chacune des deux parties (47, 48) du corps de base est associé un ressort de pression individuel (50) monté sur un pivot central (49) du cadre de guidage (30).
10. Interrupteur électrique selon l'une des revendications précédentes, caractérisé en ce que, pour une commutation forcée indépendante de la force de ressort, par l'intermédiaire du poussoir (20) de l'élément de commutation (16) à touche, le pivot de poussée (39) est pourvu d'un pivot de butée (51) s'étendant à partir de la paroi de fond (41) en direction du pivot axial (37) du manchon de guidage (36).
11. Interrupteur électrique selon l'une des revendications précédentes, caractérisé en ce que le corps de base (29) du dispositif de transmission (26) comporte, du côté faisant face au manchon de guidage (36) médian, un évidement (45) situé en regard de la broche de pression (6) de l'organe de manoeuvre (3).
12. Interrupteur électrique selon l'une des revendications précédentes, caractérisé en ce que les manchons de guidages (36) du corps de base (29), disposés à distance les uns à côté des autres, sont montés avec les pivots de poussée (39) chaque fois dans un plan entre deux languettes élastiques (14) du cadre de maintien (11), qui entourent chaque fois un élément de commutation (16) à touche, pourvu d'encoches de crantage (24) s'engageant, sur deux faces extérieures, dans des crantages à encoches (23).
13. Interrupteur électrique selon l'une des revendications précédentes, caractérisé en ce que les éléments de commutations (16) à touches, sur les faces extérieures comportant les crantages à encoches (23), présentent des chanfreins d'introduction (25) s'étendant inclinés par rapport à l'axe des pivots de poussée (39), et qui sont recouverts par les languettes élastiques (14) du cadre de maintien (11).
EP85105941A 1984-06-22 1985-05-14 Interrupteur électrique Expired - Lifetime EP0166159B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT85105941T ATE57277T1 (de) 1984-06-22 1985-05-14 Elektroschalter.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3423177 1984-06-22
DE3423177A DE3423177C1 (de) 1984-06-22 1984-06-22 Elektroschalter

Publications (3)

Publication Number Publication Date
EP0166159A2 EP0166159A2 (fr) 1986-01-02
EP0166159A3 EP0166159A3 (en) 1987-09-09
EP0166159B1 true EP0166159B1 (fr) 1990-10-03

Family

ID=6238961

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85105941A Expired - Lifetime EP0166159B1 (fr) 1984-06-22 1985-05-14 Interrupteur électrique

Country Status (5)

Country Link
US (1) US4692570A (fr)
EP (1) EP0166159B1 (fr)
JP (1) JPS6182624A (fr)
AT (1) ATE57277T1 (fr)
DE (2) DE3423177C1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8531355U1 (de) * 1985-11-06 1986-01-02 Siemens AG, 1000 Berlin und 8000 München Anordnung zum Hilfsschalteranbau in Motorschützen
FR2663782B1 (fr) * 1990-06-22 1992-09-25 Telemecanique Dispositif de commande manuelle pour relais thermique.
FR2694976B1 (fr) * 1992-08-18 1994-09-30 Telemecanique Appareil de détection de position.
GB9310265D0 (en) * 1993-05-19 1993-06-30 Dewhurst Plc Improvement in or relating to indicators and pushbuttons
FR2807224B1 (fr) * 2000-03-28 2003-06-06 Bull Sa Boitier de distribution de tension secteur pour appareils electroniques
KR100582961B1 (ko) * 2004-07-22 2006-05-25 삼성전자주식회사 영상 기록재생장치의 스위치장치

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2875287A (en) * 1957-06-04 1959-02-24 Dora C Van Sickle Sequential switch
US3170995A (en) * 1961-05-23 1965-02-23 Westinghouse Electric Corp Control switch actuating means
US3142732A (en) * 1961-12-01 1964-07-28 Texas Instruments Inc Ganged multipole circuit breaker
DE1281532B (de) * 1966-04-29 1968-10-31 Siemens Ag Kontaktanordnung fuer Geraete der Fernmeldetechnik
US3613041A (en) * 1969-12-15 1971-10-12 Kysor Industrial Corp Thermal-responsive switch
FR2098983A7 (fr) * 1970-07-30 1972-03-10 Crouzet & Cie
US4000382A (en) * 1973-02-12 1976-12-28 Honeywell Inc. Adjustable mechanism for control devices
JPS5634661Y2 (fr) * 1976-12-07 1981-08-15
IT1087482B (it) * 1977-11-08 1985-06-04 Ers Ce Srl Interruttore a pulsante o simile,ad elementi componibili
DE3112088A1 (de) * 1981-03-27 1982-10-14 Gebhard Balluff, Fabrik Feinmechanischer Erzeugnisse, 7303 Neuhausen Grenztaster
DE8208592U1 (de) * 1982-03-25 1984-01-19 Siemens AG, 1000 Berlin und 8000 München Anordnung zur Befestigung eines oder mehrerer über einen Stößel betätigbarer Tastschalter in der Frontplatte eines Gehäuses
CH656484A5 (de) * 1982-07-22 1986-06-30 Sodeco Compteurs De Geneve Mehrpoliger tastschalter.
CA1236506A (fr) * 1983-01-12 1988-05-10 Norio Iwakiri Interrupteur de fin de course

Also Published As

Publication number Publication date
DE3423177C1 (de) 1985-08-01
ATE57277T1 (de) 1990-10-15
JPH046051B2 (fr) 1992-02-04
EP0166159A2 (fr) 1986-01-02
US4692570A (en) 1987-09-08
DE3579954D1 (de) 1990-11-08
JPS6182624A (ja) 1986-04-26
EP0166159A3 (en) 1987-09-09

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