EP0450319A2 - Interrupteur à bouton-poussoir - Google Patents

Interrupteur à bouton-poussoir Download PDF

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Publication number
EP0450319A2
EP0450319A2 EP19910103229 EP91103229A EP0450319A2 EP 0450319 A2 EP0450319 A2 EP 0450319A2 EP 19910103229 EP19910103229 EP 19910103229 EP 91103229 A EP91103229 A EP 91103229A EP 0450319 A2 EP0450319 A2 EP 0450319A2
Authority
EP
European Patent Office
Prior art keywords
push
microswitch
key
spring
button
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
EP19910103229
Other languages
German (de)
English (en)
Other versions
EP0450319B1 (fr
EP0450319A3 (en
Inventor
Bernd Dipl.-Ing. Hildebrand
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.)
BOSCH-SIEMENS HAUSGERAETE GMBH
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6403670&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0450319(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Individual filed Critical Individual
Publication of EP0450319A2 publication Critical patent/EP0450319A2/fr
Publication of EP0450319A3 publication Critical patent/EP0450319A3/de
Application granted granted Critical
Publication of EP0450319B1 publication Critical patent/EP0450319B1/fr
Anticipated expiration legal-status Critical
Revoked 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
    • H01H13/10—Bases; Stationary contacts mounted thereon
    • 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
    • H01H2233/00—Key modules
    • H01H2233/01—Key modules mounted on laykey
    • H01H2233/014—Snap coupling

Definitions

  • the invention relates to a key switch with one or more key tappets guided and sprung in a supporting body with a defined end position and with one set of contacts per key tappet.
  • key switches are also known in which the terminal lugs of the contact sets are formed in groups as plug connections for group plugs are. Both types of contact sets have the disadvantage that the switches cannot be integrated into an electronic circuit board and that large actuation forces have to be expended for the actuation of the key tappets and long actuation distances have to be overcome.
  • the key tappets can act as simply non-latching keys or can be held in the switching position after a single press by means of a mechanical latching device and can be released again from the switching position by pressing again.
  • the invention has for its object to avoid the disadvantages described in a key switch of the type mentioned in that so-called microswitches can be used for such key switches.
  • the contact sets are designed as mechanically and electrically connected to a circuit board that is physically separable from the supporting body and that each key tappet for the associated microswitch has an actuating finger which is displaceably guided on the key tappet in its direction of actuation and by means of a this spring acting spring is held freely in front of the microswitch when the push button is triggered and presses the push button under a spring tension on the microswitch which is greater than the actuating force required for the microswitch.
  • the mechanical unit is concentrated in the support body, while the electrical unit consists of a printed circuit board with microswitches mechanically and electrically connected to it. Both units are designed to be separable from one another. This allows a free choice of the arrangement of microswitches with unchanged design of the support body.
  • the key plungers of such a key switch have short actuation paths and require only low actuation forces.
  • Another major advantage is that relatively generous tolerances can be allowed for the arrangement of the microswitches on the circuit board, because the key tappet, even when actuated, never reaches the microswitch itself into its defined end position and could possibly damage it due to excessive pressure.
  • the actuating finger is provided, which is to be regarded as a length-compensating link between the microswitch and the key tappet.
  • a key set can be combined with an electronic circuit that can be actuated by microswitches, despite its externally large and conventional design.
  • An electronic circuit board can also be held directly on the support body, so that special electrical lines for the connection between the contact set and the printed circuit board can be omitted.
  • the advantage is also not insignificant that, in the event of a defect in the key switch, only the mechanical or only the electrical part has to be replaced, which may reduce the need for repairs.
  • the invention can be further developed in that the support body has at least three supports extending in the direction of the printed circuit board, of which at least two each have a contact surface with a defined distance from the actuating finger when the key tappet is triggered and at least one of the supports has a latching lug whose latching surface lies at a distance from the contact surfaces which is matched to the thickness of the printed circuit board.
  • This mechanical design of the support body for holding the printed circuit board enables it to be assembled and disassembled without the use of tools. To loosen the fastening of the circuit board, all that is required is the deflection of the support or supports provided with the latching lug; and the circuit board can be removed from the support body.
  • the printed circuit board has a defined position in relation to the actuating fingers of the key tappets, so that it is not possible to mix up the microswitches to be actuated with regard to the respective key tappets.
  • the actuating finger is designed as a pin guided in an axial bore of the key tappet and the spring is a compression spring arranged in the axial bore under the pin, this results in the assembly of the support body and for its connection to the printed circuit board cheapest and safest design because of its simplicity.
  • the key tappet 1 is held in the supporting body 2 and is guided in the longitudinal direction in its actuating direction.
  • the button plunger can be moved onto the microswitch 4.
  • the microswitch is soldered into a printed circuit board 5, which in turn is held on supports 6 of the supporting body 2 at a distance A from the key plunger 1 and by a support 7 with a locking lug 8 on the contact surfaces 9 of the supports 6.
  • the distance between the contact surfaces 9 of the supports 6 and that of the locking lug 8 is matched to the thickness D of the printed circuit board 5.
  • the key tappet 1 is pulled outwards on the one hand by a compression spring 10, but is held in a defined rest position by a switching heart 11 which works together with a sliding block 12 (only indicated schematically here).
  • An actuating finger 14 is guided in a coaxial bore 13 of the key tappet 1 and held in a defined position within the bore by a compression spring 15.
  • the button plunger 1 moves together with its actuating finger 14 towards the microswitch 4.
  • the spring 15 begins to tension under the actuating finger 14.
  • the tensioning force of the spring 15 exceeds the actuating force of the microswitch 4 during the further movement of the key tappet 1, the microswitch is switched. From this point on, the spring 15 continues to be tensioned by the actuating finger 14 until the key tappet 1 has reached its stop defined by the switching heart 11 and the setting 12. This stop is in any case still before reaching the microswitch 4 through the end face of the key tappet 1, if the key tappet can emerge from the support body 2 differently than shown here.
  • the key switch shown for example can also be designed without a switching heart 11 and a setting 12. Then the microswitch 4 is actuated only as long as the key plunger 1 is held down with its actuating finger 14.
  • the microswitches used can be set up with simple on or off switches, changeover switches or multiple switches and for switching low currents and voltages or even high currents (up to approx. 16 A) with household mains voltage (approx. 220 V).

Landscapes

  • Push-Button Switches (AREA)
EP91103229A 1990-04-03 1991-03-04 Interrupteur à bouton-poussoir Revoked EP0450319B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4010746 1990-04-03
DE4010746A DE4010746A1 (de) 1990-04-03 1990-04-03 Tastenschalter

Publications (3)

Publication Number Publication Date
EP0450319A2 true EP0450319A2 (fr) 1991-10-09
EP0450319A3 EP0450319A3 (en) 1992-05-20
EP0450319B1 EP0450319B1 (fr) 1995-07-12

Family

ID=6403670

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91103229A Revoked EP0450319B1 (fr) 1990-04-03 1991-03-04 Interrupteur à bouton-poussoir

Country Status (3)

Country Link
EP (1) EP0450319B1 (fr)
DE (3) DE9007536U1 (fr)
ES (1) ES2077701T3 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001065580A1 (fr) * 2000-02-29 2001-09-07 Siemens Aktiengesellschaft Bloc auxiliaire pour appareil de commutation electromecanique et appareil de commutation electromecanique correspondant
WO2016142024A1 (fr) * 2015-03-07 2016-09-15 Audi Ag Appareil de commande d'un véhicule automobile avec un élément de commande générant un son

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3072769A (en) * 1960-06-30 1963-01-08 Illinois Tool Works Control mechanism
US3657492A (en) * 1970-09-25 1972-04-18 Sperry Rand Corp Keyboard apparatus with moisture proof membrane
FR2348555A1 (fr) * 1976-04-14 1977-11-10 Lucas Industries Ltd Interrupteur electrique a organe de commande coulissant
DE3431703A1 (de) * 1983-09-01 1985-01-31 Alps Electric Co., Ltd., Tokio/Tokyo Tastschalter
DE8611125U1 (de) * 1986-04-23 1986-08-28 Bsg-Schalttechnik Gmbh & Co Kg, 72336 Balingen Stufenschalter

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1202862B (de) * 1960-11-22 1965-10-14 Honeywell Gmbh Vorrichtung zur Begrenzung des UEberhubes von Schnappschaltern
DE1883887U (de) * 1963-05-04 1963-12-05 Siemens Ag Stoesselantrieb fuer endschalter.
SU581521A1 (ru) * 1976-02-09 1977-11-25 Kayuk Lev G Кнопка управлени
DE7927642U1 (de) * 1979-09-28 1980-01-24 Gebrueder Vestner Ohg, 8046 Garching Taster, insbesondere für die Fahrsteuerung von Aufzügen

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3072769A (en) * 1960-06-30 1963-01-08 Illinois Tool Works Control mechanism
US3657492A (en) * 1970-09-25 1972-04-18 Sperry Rand Corp Keyboard apparatus with moisture proof membrane
FR2348555A1 (fr) * 1976-04-14 1977-11-10 Lucas Industries Ltd Interrupteur electrique a organe de commande coulissant
DE3431703A1 (de) * 1983-09-01 1985-01-31 Alps Electric Co., Ltd., Tokio/Tokyo Tastschalter
DE8611125U1 (de) * 1986-04-23 1986-08-28 Bsg-Schalttechnik Gmbh & Co Kg, 72336 Balingen Stufenschalter

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001065580A1 (fr) * 2000-02-29 2001-09-07 Siemens Aktiengesellschaft Bloc auxiliaire pour appareil de commutation electromecanique et appareil de commutation electromecanique correspondant
WO2016142024A1 (fr) * 2015-03-07 2016-09-15 Audi Ag Appareil de commande d'un véhicule automobile avec un élément de commande générant un son
CN107408472A (zh) * 2015-03-07 2017-11-28 奥迪股份公司 具有产生声音的开关元件的机动车操作设备
US10163591B2 (en) 2015-03-07 2018-12-25 Audi Ag Motor vehicle operating device with sound-generating switching element

Also Published As

Publication number Publication date
DE59105951D1 (de) 1995-08-17
EP0450319B1 (fr) 1995-07-12
DE4010746A1 (de) 1991-10-10
ES2077701T3 (es) 1995-12-01
DE9007536U1 (de) 1992-05-14
EP0450319A3 (en) 1992-05-20

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