EP0301413A1 - Interrupteur électrique notamment pour véhicules automobiles - Google Patents

Interrupteur électrique notamment pour véhicules automobiles Download PDF

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Publication number
EP0301413A1
EP0301413A1 EP88111768A EP88111768A EP0301413A1 EP 0301413 A1 EP0301413 A1 EP 0301413A1 EP 88111768 A EP88111768 A EP 88111768A EP 88111768 A EP88111768 A EP 88111768A EP 0301413 A1 EP0301413 A1 EP 0301413A1
Authority
EP
European Patent Office
Prior art keywords
switching plunger
electrical switch
switch according
base plate
switching
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
EP88111768A
Other languages
German (de)
English (en)
Other versions
EP0301413B1 (fr
Inventor
Hubert Spazierer
Adam Weber
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.)
SWF Auto Electric GmbH
Original Assignee
SWF Auto Electric GmbH
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 SWF Auto Electric GmbH filed Critical SWF Auto Electric GmbH
Publication of EP0301413A1 publication Critical patent/EP0301413A1/fr
Application granted granted Critical
Publication of EP0301413B1 publication Critical patent/EP0301413B1/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
    • H01H13/50—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
    • H01H13/56—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 the contact returning to its original state upon the next application of operating force
    • H01H13/60—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 the contact returning to its original state upon the next application of operating force with contact-driving member moved alternately in opposite directions

Definitions

  • the invention relates to an electrical switch which is to be used in particular for motor vehicles and has the features from the preamble of claim 1.
  • Such an electrical switch is e.g. known from DE-OS 31 51 501.
  • the housing of the known electrical switch includes a base plate on which a number of components can be mounted before the housing is assembled and the pushbutton is used.
  • the base plate is used, among other things. Equipped with the fixed contacts and the associated external connections designed as flat plugs, as well as with the rotatably mounted rocker switch, on which a movable contact bridge and a compression spring loading it are held.
  • a switching plunger belonging to the switching mechanism is pressed in the known switch by two compression springs against a pivot bearing on the push button. So it is pivotally mounted on the push button. Because the pivot bearing moves with this when the push button is moved, the switching plunger can be moved in the housing with the push button.
  • the switching mechanism can only be checked with regard to the interaction of its essential parts, namely the contact bridge, the rocker switch and the switching plunger, when the switch is completely assembled, that is to say the pushbutton is also inserted. A malfunction that occurs can then only be remedied with difficulty.
  • This is particularly disadvantageous in the case of very sensitive switching mechanisms, in particular in snap-action switching systems in which the rocker switch controls a snap spring.
  • the invention has for its object to develop an electrical switch with the features from the preamble of claim 1 so that its switching mechanism can be checked at a very early stage of assembly and possible errors are still easy to fix.
  • This object is achieved in that in an electrical switch having the features from the preamble of claim 1, the switching plunger is mounted in the base plate.
  • the swivel bearing of the switch plunger is no longer located on the push button, but has been moved to the base plate, i.e. in the same part in which the rocker switch is also mounted.
  • the base plate i.e. in the same part in which the rocker switch is also mounted.
  • the displaceability and the pivotability of the switching plunger are obtained in a simple manner in that, according to claim 3, the plunger is mounted with the aid of at least one pivot pin and at least one elongated hole. If, according to claim 4, the elongated hole in the base plate and the pivot pin on the switching plunger, the pivot axis is fixed with respect to the switching plunger.
  • the plunger is advantageously held captively on the base plate. This greatly simplifies the assembly and functional testing.
  • This captivity of the plunger is achieved with simple assembly according to claim 6 in that the elongated hole has an insertion slot, preferably provided with an insertion bevel, the width of which is smaller than the diameter of the pivot pin.
  • return springs for the switching plunger can be engaged in a space-saving manner on each pivot pin of the switching plunger projecting into an elongated hole. This is also possible with a long spring if a hole is provided in the base plate which extends in the extension of the elongated hole and opens towards the elongated hole.
  • the housing 10 of the electrical switch shown is composed of a frame 11 and a base plate 12.
  • the base plate 12 is provided with a series of raised parts that perform storage and support functions.
  • a rocker switch 13 is pivotally mounted in it by means of two pivot pins 14. With these pivots 14, the rocker switch 13 is inserted into two grooves 15 so far that the pivots 14 have each skipped a locking projection 16 at the bottom of the grooves and are thus secured in the grooves 15.
  • a leaf spring is clamped as a snap spring 20 with one end in the rocker switch 13, while it is supported with its other end in a notch in a metal sheet 21.
  • the distance between the bearing axis of the rocker switch 13 and the metal sheet 21 and the length of the leaf spring 20 are coordinated so that the leaf spring must be bent and the rocker switch 13 holds after switching over in the end position reached.
  • a movable contact tongue 22 is formed in one piece with a contact bead 23 which interacts alternately with two fixed contacts 24 and 25 held on the base plate 12.
  • each groove 15 there is above each groove 15 an elongated hole 32, the longitudinal direction of which corresponds to the longitudinal direction of the grooves 15 and which is at the top in one with Insertion bevel 33 provided insertion slot 34 opens outwards.
  • the width of the insertion slot 34 is smaller than the width of the respective elongated hole 32.
  • the elongated holes 32 penetrate the columns 30 and 31 over their entire width, so that the two columns in the area of the elongated holes 32 have a clothespin-like shape.
  • the two elongated holes 32 are each closed towards the outside towards the frame 11 by a metal sheet 35 which is inserted in the base plate 12, penetrates it and forms a flat plug on the outside.
  • a switching plunger 40 engages with two pins 41, the diameter of which corresponds to the width of the elongated holes 32, and is thus mounted such that it can be moved in the longitudinal direction of the elongated holes 32, but at the same time can also be pivoted.
  • the switching plunger 41 When the switching plunger 41 is pivoted, its pivot axis is formed by the axis of the pins 41, so that it is fixed relative to the switching plunger 40.
  • the pins 41 are pressed into the elongated holes 32 through the insertion slots 34.
  • the insertion slots 34 widen in the process.
  • the pin 41 and thus the switching plunger 40 are secured in the elongated holes 32 and thus on the base plate 12, since the width of the insertion slots 34 is smaller than the diameter of the pin 41.
  • the distance between the end faces 42 of the two pins corresponds approximately to the distance of each other facing side surfaces of the metal sheets 35, so that the switching plunger 40 has little play in the direction of the axis of the pin 41.
  • a bore 45 opens into each slot 32, into which a helical compression spring 46 is inserted.
  • a mandrel 47 runs inside each helical compression spring 46 and lies with a plate 48 between the helical compression spring and the pin 41.
  • the helical compression springs 46 press the pins 41 against the upper end of the elongated holes 32.
  • the mandrels 47 are at a distance from the bottom of the bores 45 so that they move the switching plunger 40 downward do not hinder
  • One pivot pin 41 of the switching plunger 40 extends from the elongated hole 32 far inwards, where a finger 49 is formed on it, which protrudes into a receptacle 50 of the rocker switch 13 which is open towards the switching plunger 40 and which has two stops in the pivoting direction of the switching plunger 40 51 provided and the bottom 52 is slightly shaped like a gable roof.
  • the rocker switch 13 has a resilient web 60 which extends beyond the axis of the pivot pins 41 of the switching plunger 40 and which, viewed from the pivot axis of the switching rocker 13, extends beyond a shaft 61 beyond the axis of the pivot pins 41 on the switching plunger 40 attacks.
  • the web 60 pivots the switching plunger 40 in such a way that in an end position of the switching rocker 13 it rests against a stop 51 of the receptacle 50 of the switching rocker 13.
  • a push button 65 is guided in a straight line displaceable within a limited distance. Return springs, not shown in the figures, ensure that the pushbutton returns to the position shown in the figures after actuation.
  • a pin 66 is molded onto the pushbutton, which extends through an intermediate ceiling 67 of the frame 11 in the rest position of the pushbutton 65 and the switching plunger 4u to just before these. It can act on the switching plunger 40 on the outer circumference of the pivot pin 41, which extends far inwards, exactly above the finger 49.
  • the switching plunger 40 is carried along via the pin 66. Its finger 49 remains on the stop 51 of the receptacle 50 of the rocker switch 13 and pivots the latter - viewed in accordance with FIG. 1 - clockwise.
  • the snap spring 20 curves S-shaped until its dead center is overcome, and then suddenly switches the rocker switch 13 to the other end position. If the push button 65 is then released, the switching plunger 40 returns with its pivot pin 41 to the upper end of the elongated holes 32 and is thereby pivoted clockwise by the web 60 of the rocker switch 13 until it stops at the other stop 51 of the receptacle 50 of the rocker switch 13 is present.
  • the switching mechanism can be actuated when these parts are mounted on the base plate 12.
  • the frame 11 and the push button 65 do not have to be assembled with the base plate 12. This allows the switching mechanism to be checked easily and visually and any errors can be easily corrected.

Landscapes

  • Push-Button Switches (AREA)
EP88111768A 1987-07-25 1988-07-21 Interrupteur électrique notamment pour véhicules automobiles Expired - Lifetime EP0301413B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3724736 1987-07-25
DE3724736A DE3724736C2 (de) 1987-07-25 1987-07-25 Elektrischer Schalter, insbesondere für Kraftfahrzeuge

Publications (2)

Publication Number Publication Date
EP0301413A1 true EP0301413A1 (fr) 1989-02-01
EP0301413B1 EP0301413B1 (fr) 1993-11-10

Family

ID=6332391

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88111768A Expired - Lifetime EP0301413B1 (fr) 1987-07-25 1988-07-21 Interrupteur électrique notamment pour véhicules automobiles

Country Status (4)

Country Link
US (1) US4916269A (fr)
EP (1) EP0301413B1 (fr)
DE (1) DE3724736C2 (fr)
ES (1) ES2047508T3 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0599342A1 (fr) * 1992-11-27 1994-06-01 TRW FAHRZEUGELEKTRIK GmbH & CO. KG Dispositif de commutation électrique
EP0626706A1 (fr) * 1993-05-27 1994-11-30 Delta Schoeller Limited Interrupteur électrique
WO1995007541A1 (fr) * 1993-09-09 1995-03-16 Eaton Controls Gmbh & Co. Kg Commutateur a touche encliquetable

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4439008C2 (de) * 1994-11-02 1999-05-27 Eaton Controls Gmbh Elektrischer Tastschalter
US5860514A (en) * 1996-11-08 1999-01-19 Ut Automotive Dearborn, Inc. Actuator mechanism for an alternate action switch
JP3820680B2 (ja) * 1997-06-11 2006-09-13 松下電器産業株式会社 プッシュスイッチ及びその組立て方法
US6028279A (en) * 1998-02-27 2000-02-22 Korry Electronics Co. Lighted push button switch
DE20305528U1 (de) * 2003-04-04 2003-08-14 Trw Automotive Electron & Comp Tastschalter
US8188390B1 (en) * 2010-03-24 2012-05-29 Hasbro, Inc. Electromechanical toy with momentary actuator dual purpose cam mechanism preserving battery life

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1098073B (de) * 1958-11-29 1961-01-26 Vedder Gmbh Geb Elektrischer Tastschalter mit zwei stabilen Schaltstellungen
US3046377A (en) * 1960-10-19 1962-07-24 United Carr Fastener Corp Push push switch
US3593235A (en) * 1969-12-02 1971-07-13 Heinemann Electric Co Linearly operated circuit breaker
EP0112483A1 (fr) * 1982-12-21 1984-07-04 BROWN, BOVERI & CIE Aktiengesellschaft Interrupteur électrique à bouton poussoir avec balancier d'actionnement
EP0232765A2 (fr) * 1986-02-14 1987-08-19 SWF Auto-Electric GmbH Commutateur électrique, en particulier pour véhicules automobiles
DE3625548A1 (de) * 1986-07-29 1988-02-18 Bbc Brown Boveri & Cie Automatisch montierbarer elektrischer drucktastenschalter mit einem schwenkbar gelagerten druckbuegel

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1883786A (en) * 1931-05-05 1932-10-18 Arrow Hart & Hegeman Electric Push switch
US2076073A (en) * 1934-01-18 1937-04-06 Harry A Douglas Reciprocating electric switch
US2047950A (en) * 1934-01-18 1936-07-21 Harry A Douglas Electric switch
US2044065A (en) * 1934-02-08 1936-06-16 Harry A Douglas Electric switch construction
US2095179A (en) * 1934-05-31 1937-10-05 Kingston Products Corp Push button electric switch
US2095180A (en) * 1934-05-31 1937-10-05 Kingston Products Corp Push button snap action switch
US2695524A (en) * 1951-01-05 1954-11-30 Honeywell Regulator Co Alternate action snap mechanism
US2697364A (en) * 1951-07-05 1954-12-21 Honeywell Regulator Co Overtravel plunger actuator
US3051810A (en) * 1953-12-04 1962-08-28 Wahlstrom Gustaf Adolf Push button switch
US2881292A (en) * 1957-11-29 1959-04-07 Pass & Seymour Inc Tool trigger switch
US2994750A (en) * 1958-05-02 1961-08-01 Littelfuse Inc Snap acting switch
FR1219295A (fr) * 1958-12-22 1960-05-17 Interrupteur étanche pour circuit électrique
US3233058A (en) * 1963-08-29 1966-02-01 Schulz Tool & Mfg Co Plunger-operated snap-action switch
US3521013A (en) * 1968-03-21 1970-07-21 Molex Products Co Pushbutton switch mechanism including a rocker contact and an actuator
US4357511A (en) * 1981-09-04 1982-11-02 Eaton Corporation Modular push-button switch with lighted push-button element
DE3151501A1 (de) * 1981-12-24 1983-07-07 SWF-Spezialfabrik für Autozubehör Gustav Rau GmbH, 7120 Bietigheim-Bissingen Elektrischer druckknopfschalter, insbesondere fuer kraftfahrzeuge
DE3412027A1 (de) * 1984-03-31 1985-10-10 Preh, Elektrofeinmechanische Werke Jakob Preh Nachf. Gmbh & Co, 8740 Bad Neustadt Druckknopfschalter

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1098073B (de) * 1958-11-29 1961-01-26 Vedder Gmbh Geb Elektrischer Tastschalter mit zwei stabilen Schaltstellungen
US3046377A (en) * 1960-10-19 1962-07-24 United Carr Fastener Corp Push push switch
US3593235A (en) * 1969-12-02 1971-07-13 Heinemann Electric Co Linearly operated circuit breaker
EP0112483A1 (fr) * 1982-12-21 1984-07-04 BROWN, BOVERI & CIE Aktiengesellschaft Interrupteur électrique à bouton poussoir avec balancier d'actionnement
EP0232765A2 (fr) * 1986-02-14 1987-08-19 SWF Auto-Electric GmbH Commutateur électrique, en particulier pour véhicules automobiles
DE3625548A1 (de) * 1986-07-29 1988-02-18 Bbc Brown Boveri & Cie Automatisch montierbarer elektrischer drucktastenschalter mit einem schwenkbar gelagerten druckbuegel

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0599342A1 (fr) * 1992-11-27 1994-06-01 TRW FAHRZEUGELEKTRIK GmbH & CO. KG Dispositif de commutation électrique
EP0626706A1 (fr) * 1993-05-27 1994-11-30 Delta Schoeller Limited Interrupteur électrique
WO1995007541A1 (fr) * 1993-09-09 1995-03-16 Eaton Controls Gmbh & Co. Kg Commutateur a touche encliquetable

Also Published As

Publication number Publication date
DE3724736A1 (de) 1989-02-02
DE3724736C2 (de) 1998-02-19
ES2047508T3 (es) 1994-03-01
US4916269A (en) 1990-04-10
EP0301413B1 (fr) 1993-11-10

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