EP0157002A1 - Interrupteur à bouton poussoir avec au moins un pont de contact - Google Patents

Interrupteur à bouton poussoir avec au moins un pont de contact Download PDF

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Publication number
EP0157002A1
EP0157002A1 EP84116146A EP84116146A EP0157002A1 EP 0157002 A1 EP0157002 A1 EP 0157002A1 EP 84116146 A EP84116146 A EP 84116146A EP 84116146 A EP84116146 A EP 84116146A EP 0157002 A1 EP0157002 A1 EP 0157002A1
Authority
EP
European Patent Office
Prior art keywords
switch
push button
housing
contacts
pushbutton
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
EP84116146A
Other languages
German (de)
English (en)
Other versions
EP0157002B1 (fr
Inventor
Winfried Kirchner
Felix Dipl.-Ing. Lins (Fh)
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Publication of EP0157002A1 publication Critical patent/EP0157002A1/fr
Application granted granted Critical
Publication of EP0157002B1 publication Critical patent/EP0157002B1/fr
Expired legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
    • H01H1/14—Contacts characterised by the manner in which co-operating contacts engage by abutting
    • H01H1/20—Bridging contacts
    • H01H1/2075—T-shaped bridge; bridging contact has lateral arm for mounting resiliently or on a pivot
    • 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
    • H01H13/562—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 making use of a heart shaped cam

Definitions

  • the invention relates to a push button switch with at least one switching bridge which can be moved back and forth between two switching positions by means of a spring-loaded push button which is movably guided in the switch housing, the switching bridge connecting two fixed contacts on the switch housing in one position and in the other position by the switch housing Contact is lifted, in which switch the switching bridge is also held in its one switching position by means of a locking element, which can be brought into its locking position and the other time into its unlocking position when the push button is pressed.
  • Such a push button switch is known from DE-PS 24 16 969.
  • This known push button switch consists of a large number of parts and is therefore very complex to manufacture and assemble.
  • the invention has for its object to construct a push button switch of the type described above so that it consists of only a few items that are easy to assemble.
  • the push button has a tubular extension that extends over the entire height of the switch housing and is flattened on one side , into which a slide, which is movably guided in a transverse groove of the switch housing, engages with a pin formed on it, and further that the switching bridge is fixed to one arranged on the tubular extension, laterally projecting supporting part and is pressed by the spring acting on the push button in one switch position against the contacts arranged on the switch housing.
  • the switching bridge simultaneously takes over the fixing of the push button in one position and in the other position, in which the switching bridge is lifted from the contact fixed to the housing, the push button is fixed by the slide, which then lies with its pin in the recessed recess of the central pin and so on holds the push button in this position against the force of the spring.
  • the heart-shaped guide groove is elongated at its lower tip, the length of the slot being dimensioned so that the switching bridge comes into contact with the contacts fixed to the housing without the pin at the end of the Slot is present.
  • the assembly of the spring is particularly simple in that a coil spring is arranged concentrically on the tubular extension as a spring and is supported at one end on a projecting edge of the push button and at the other end in a circular recess in the switch housing.
  • the supporting part and the switching bridge are integrally formed as a T-shaped contact piece, the T-bar forming the switching bridge and the T-shaped contact piece with its shaft in a through both walls of the tubular extension through transverse slot inserted and by means of a locking tongue provided on the shaft in the cavity of the tubular approach is locked.
  • a push-button 3 having a tubular extension 2 is slidably guided.
  • a helical spring 4 is arranged concentrically to the tubular extension 2 and is supported at one end on an edge 5 formed on the push button 3 and at the other end in a circular recess 6 of the switch housing 1.
  • a lateral projection 7 is formed, in which two contacts 8 fixed to the housing are arranged side by side. The contacts 8 fixed to the housing are connected to contact tabs 9 protruding from the projection 7.
  • a transverse groove 10 is provided, in which a slide 11 is movably guided.
  • a pin 12 is formed, which in one on the flattened side of the tubular extension 2 formed heart-shaped guide groove 14 protrudes.
  • the heart-shaped guide groove is guided around a central pin 15, which has a locking recess 16, in which the pin 12 bears against the central pin 15 in the one switching position, as shown in FIG. 1.
  • the lower tip 17 of the heart-shaped guide groove 14 merges into a slot 18.
  • a transverse slot 19 is provided, which passes through both walls of the tubular extension. This transverse slot 19 serves to receive a T-shaped contact piece 20, the T-bar 21 of which forms a switching bridge for the contacts 8 fixed to the housing.
  • the T-shaped contact piece 20 With its shaft 22, the T-shaped contact piece 20 is inserted into the transverse slot 19 on the tubular extension 2 of the push button 2.
  • a latching tongue 23 On the shaft 22 of the T-shaped contact piece 20, a latching tongue 23 is also provided which, after the shaft 22 has been inserted into the transverse slot 19, springs upwards in the cavity 24 of the tubular extension 2 and is thereby behind one wall of the tubular extension 2 hooked, so that the T-shaped contact piece 20 is thereby held on the tubular extension 2.
  • Fig. 1 the push button switch is shown in the switching position in which the switching bridge 21 is lifted from the contacts 8 fixed to the housing.
  • the pin 12 of the slider 11 is located in the recess 16 of the central pin 15.
  • the push button 3 is held against the force of the coil spring 4 in the position shown, in which the switching bridge 21 is lifted from the contacts 8 fixed to the housing.
  • the pin 12 abuts the edge 25 of the guide groove 14 lying above the locking recess 15.
  • the slide 11 is thereby laterally displaced in the transverse groove 10 so that its pin 12 lies over the vertical part 26 of the heart-shaped guide groove 14.
  • the push button 3 When the push button 3 is released, it is now pressed upwards by the coil spring 4, whereby the vertical part 26 of the heart-shaped guide groove 14 passes the pin 12. The pin 12 finally meets a lower run-on slope 27 of the heart-shaped guide groove 14 and slides along it, so that the slider 11 is again displaced in the transverse groove. Finally, the pin 12 passes through the slot 18.
  • the push button 3 is pressed upwards by the helical spring 4 until the switching bridge 21 bears on the contacts 8 fixed to the housing.
  • the contact pressure of the switching bridge 21 on the housing-fixed contact is exerted by the coil spring 4.
  • the length of the slot 18 is dimensioned such that the pin 12 does not yet abut the end of the slot 18 when the switching bridge 21 is in contact with the contacts 8 fixed to the housing.
  • the switching bridge 21 can freely contact the contacts 8 fixed to the housing.
  • An insertion groove 29 is formed in the right half of the heart-shaped guide groove 14, through which the slide 11 inserted into the transverse groove 10 from the outside can be inserted with its pin 12 into the heart-shaped guide groove 14.

Landscapes

  • Push-Button Switches (AREA)
EP84116146A 1984-03-15 1984-12-21 Interrupteur à bouton poussoir avec au moins un pont de contact Expired EP0157002B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19843409572 DE3409572A1 (de) 1984-03-15 1984-03-15 Druckknopfschalter mit mindestens einer schaltbruecke
DE3409572 1984-03-15

Publications (2)

Publication Number Publication Date
EP0157002A1 true EP0157002A1 (fr) 1985-10-09
EP0157002B1 EP0157002B1 (fr) 1988-05-11

Family

ID=6230625

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84116146A Expired EP0157002B1 (fr) 1984-03-15 1984-12-21 Interrupteur à bouton poussoir avec au moins un pont de contact

Country Status (2)

Country Link
EP (1) EP0157002B1 (fr)
DE (3) DE8408000U1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101256904B (zh) * 2006-12-27 2011-01-12 株式会社东海理化电机制作所 开关装置

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB502943A (en) * 1937-09-02 1939-03-28 Asea Ab Arrangement of contacts for electrical switches
CH329893A (de) * 1955-02-18 1958-05-15 Bbc Brown Boveri & Cie Elektrischer Kontakt mit Doppelunterbrechung
FR2089244A5 (fr) * 1970-04-07 1972-01-07 Electronic Components Ab
FR2217785A1 (fr) * 1973-02-08 1974-09-06 Oak Industries Inc
FR2266947A1 (fr) * 1974-04-08 1975-10-31 Kautt & Bux Kg
DE2722813B1 (de) * 1977-05-20 1978-09-07 Petrick Gmbh Elektro Mech Schiebetaste
FR2473221A1 (fr) * 1979-12-21 1981-07-10 Preh Elektro Feinmechanik Commutateur electrique a mecanisme limitant les fausses manoeuvres

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB502943A (en) * 1937-09-02 1939-03-28 Asea Ab Arrangement of contacts for electrical switches
CH329893A (de) * 1955-02-18 1958-05-15 Bbc Brown Boveri & Cie Elektrischer Kontakt mit Doppelunterbrechung
FR2089244A5 (fr) * 1970-04-07 1972-01-07 Electronic Components Ab
FR2217785A1 (fr) * 1973-02-08 1974-09-06 Oak Industries Inc
FR2266947A1 (fr) * 1974-04-08 1975-10-31 Kautt & Bux Kg
DE2722813B1 (de) * 1977-05-20 1978-09-07 Petrick Gmbh Elektro Mech Schiebetaste
FR2473221A1 (fr) * 1979-12-21 1981-07-10 Preh Elektro Feinmechanik Commutateur electrique a mecanisme limitant les fausses manoeuvres

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
IBM TECHNICAL DISCLOSURE BULLETIN, Band 22, Nr. 10, März 1980, Seite 4630, New York, US; T.M. PAULSON: "Alternate-action key module" *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101256904B (zh) * 2006-12-27 2011-01-12 株式会社东海理化电机制作所 开关装置

Also Published As

Publication number Publication date
DE3471198D1 (en) 1988-06-16
DE8408000U1 (de) 1986-01-16
DE3409572A1 (de) 1985-09-19
EP0157002B1 (fr) 1988-05-11

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