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EP0911844A2 - Agencement de contact pour appareil électrique - Google Patents

Agencement de contact pour appareil électrique Download PDF

Info

Publication number
EP0911844A2
EP0911844A2 EP98118526A EP98118526A EP0911844A2 EP 0911844 A2 EP0911844 A2 EP 0911844A2 EP 98118526 A EP98118526 A EP 98118526A EP 98118526 A EP98118526 A EP 98118526A EP 0911844 A2 EP0911844 A2 EP 0911844A2
Authority
EP
European Patent Office
Prior art keywords
contact
carrier part
bellows
flange
housing wall
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.)
Withdrawn
Application number
EP98118526A
Other languages
German (de)
English (en)
Other versions
EP0911844A3 (fr
Inventor
Markus Bohrmann
Frank Simonides
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
Robert Bosch 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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP0911844A2 publication Critical patent/EP0911844A2/fr
Publication of EP0911844A3 publication Critical patent/EP0911844A3/fr
Withdrawn legal-status Critical Current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
    • 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
    • H01H13/04—Cases; Covers
    • H01H13/08—Casing of switch constituted by a handle serving a purpose other than the actuation of the switch

Definitions

  • the invention relates to a contact arrangement for a Electrical device with the in the preamble of claim 1 specified features.
  • Such contact arrangements are for example in used electrical devices in which contact mats for Contacting can be used.
  • a contact mat which has a plurality of bellows, each consisting of one Contact plunger and a flange protruding from it resiliently deformable material.
  • a contact area of the contact plunger bridges when the bellows are pressed down two contact points arranged on a printed circuit board.
  • the disadvantage here is that the bellows in the contact mat are integrated. Therefore, when assembling the arrangement first attached the contact mat to the circuit board and the circuit board with the contact mat attached to it the electrical device in question is used. Subsequently must then be operated from the outside, on the bellows acting keys can be arranged in a device wall. The entire arrangement requires a very high assembly effort and complicated assembly techniques and is especially then very uneconomical if there are only a few buttons on the device are needed.
  • the inventive contact arrangement with the characterizing features of claim 1 is the Assembly effort of the contact arrangement greatly reduced.
  • the bellows is initially advantageous in a simple manner fixed a support part so that bellows and support part form a prefabricated unit that is simple and is inexpensive to manufacture and can be used flexibly.
  • a separate button for actuating the bellows is not required because a contact plunger opposite Section of the bellows also the function of the button takes over.
  • the prefabricated unit can simply be in one intended recess, which in one of the PCB opposite device wall is provided inserted and fastened in it.
  • Particularly advantageous is that the contact arrangement according to the invention before or after the installation and assembly of the other device components can be attached to the device housing.
  • the bellows in can be easily pre-assembled on the carrier part.
  • the flange made of a soft elastic material the bellows is simply a radial projecting edge of the support part and is thereby on the carrier part.
  • a radially protruding Section of the flange collar that surrounds the edge of the carrier part is clamped between the carrier part and the housing wall and thereby the carrier part when the latching means snap into place can be fastened to the housing wall under pretension.
  • a guide for the contact plunger provide in which the contact plunger is axially movable is stored.
  • contact plunger Hubbalgs with its guided section with is provided with a sliding sleeve which ensures reliable sliding in leadership.
  • FIG. 1 shows a cross section through a Partial view of an electrical device with the contact arrangement according to the invention.
  • Fig. 1 shows an electrical device that, for example, the local base station of a cordless telephone.
  • a contact device which, for example, the emission of a triggers acoustic signal tones through the cordless telephone and thereby making it possible to find it again.
  • the Housing 22 of the base station shown in FIG. 1 is a Injection molded housing.
  • the electrical and mechanical Components of the housing are in the direction of arrow a used in Fig. 1 in the device. This direction is right the demolding direction of the injection molded part.
  • One of the Housing wall 9 of the housing 22 from actuatable Contact device must be in one of the demoulding direction of the Injection molded part deviating direction in the housing be used.
  • the housing wall 9 a circular recess 6 is provided in which one on Carrier part 3 mounted bellows 1 can be used, wherein The bellows and carrier part form a preassembled unit.
  • the bellows 1 has one Contact plunger 4 and a flange projecting laterally from it 5 made of soft elastic material.
  • contact plunger 4 and flange 4 in one piece elastically deformable silicone. But others too Materials can be used.
  • the contact plunger 4 has essentially the shape of a cylinder, on one of which End a circular contact surface 8 from an electrical conductive material is arranged.
  • the contact surface 8 can produced for example by printing on the contact plunger be.
  • the other end of the contact plunger 4, which is the Contact surface 8 is opposite, with that of Provide contact plunger projecting flange 5.
  • the flange 5 has an annular structure, in the middle of one the key surface 25 opposite the contact surface 8 is trained.
  • the wall thickness of the elastically deformable Flange 5 is dimensioned so that the bellows 1 a has predetermined force-displacement characteristics. whereby a tactile feedback can be achieved.
  • a Carrier part 3 made of plastic for the bellows 1 intended.
  • the carrier part 3 has a disk-like Base body with an upper side 11 and a lower side 12 on. There is an opening 10 in the middle of the base body provided by a protruding from the bottom 12, frustoconical wall 13 and an adjoining cylindrical wall 14 is limited.
  • the carrier part 3 has the shape of an opening 10 extending funnel.
  • the bottom 12 of the Carrier part 1 is with several vertically projecting from it Provided locking hook 20.
  • the side edge of the disc-like base body of the carrier part 3 with a circular, circumferential, rib-like projection 16 Mistake.
  • the flange 5 of the bellows 1 is at its from the Contact plunger 4 protruding edge with a collar 15 provided which protrudes in the direction of the contact plunger 4.
  • the one in the cylindrical wall 14 guided section of the contact plunger 4 is also with a hollow cylindrical sliding sleeve 18 made of plastic Mistake.
  • the contact plunger 4 moves axially in the guide 14 Direction and passes through the opening 10.
  • the bellows 1 with the contact sleeve 18 can e.g. in one piece Cold pressed or manufactured by injection molding technology become.
  • the prefabricated unit is in the direction of arrow b in the recess 6 of the housing wall 9 is used.
  • the inside edge the recess 6 has an annular step 24 provided, the inner edge 19 of the diameter of the recess 6 limited.
  • the carrier part 3 is with the underside 12 facing away from the flange 5 onto the Ring surface of the gradation 24 placed, the section 17 of the flange collar 15 directly on the top of the Ring surface comes to the plant.
  • the springy snap hooks 20 slide along the edge 19 of the recess 6.

Landscapes

  • Push-Button Switches (AREA)
  • Switch Cases, Indication, And Locking (AREA)
EP98118526A 1997-10-24 1998-09-30 Agencement de contact pour appareil électrique Withdrawn EP0911844A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE1997147044 DE19747044A1 (de) 1997-10-24 1997-10-24 Kontaktanordnung für ein elektrisches Gerät
DE19747044 1997-10-24

Publications (2)

Publication Number Publication Date
EP0911844A2 true EP0911844A2 (fr) 1999-04-28
EP0911844A3 EP0911844A3 (fr) 2000-04-19

Family

ID=7846524

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98118526A Withdrawn EP0911844A3 (fr) 1997-10-24 1998-09-30 Agencement de contact pour appareil électrique

Country Status (2)

Country Link
EP (1) EP0911844A3 (fr)
DE (1) DE19747044A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017184107A1 (fr) * 2016-04-18 2017-10-26 Gyrus Acmi Inc., D.B.A. Olympus Surgical Technologies America Mécanisme de commutation électronique

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1049465B (de) * 1959-01-29 Siemens - Schuckertwerke Aktiengesellschaft, Berlin und Erlangen Abdichtung von in einer Wanddurchbrechung angebrachten Betatigungsdruckknopf en
DE1059072B (de) * 1954-01-11 1959-06-11 Siemens Ag Abdichtung von in einer Wanddurchbrechung angebrachten Betaetigungsdruckknoepfen
DE7443127U (de) * 1974-12-24 1975-08-28 Ackermann A FuBbodentaster
DE9214793U1 (de) * 1992-10-31 1992-12-24 Telenorma GmbH, 6000 Frankfurt Kontaktmatte für Tasten und Tastaturen

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1049465B (de) * 1959-01-29 Siemens - Schuckertwerke Aktiengesellschaft, Berlin und Erlangen Abdichtung von in einer Wanddurchbrechung angebrachten Betatigungsdruckknopf en
DE1059072B (de) * 1954-01-11 1959-06-11 Siemens Ag Abdichtung von in einer Wanddurchbrechung angebrachten Betaetigungsdruckknoepfen
DE7443127U (de) * 1974-12-24 1975-08-28 Ackermann A FuBbodentaster
DE9214793U1 (de) * 1992-10-31 1992-12-24 Telenorma GmbH, 6000 Frankfurt Kontaktmatte für Tasten und Tastaturen

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017184107A1 (fr) * 2016-04-18 2017-10-26 Gyrus Acmi Inc., D.B.A. Olympus Surgical Technologies America Mécanisme de commutation électronique
CN109074981A (zh) * 2016-04-18 2018-12-21 捷锐士阿希迈公司(以奥林巴斯美国外科技术名义) 电子开关机构
CN109074981B (zh) * 2016-04-18 2020-07-24 捷锐士阿希迈公司(以奥林巴斯美国外科技术名义) 电子开关机构
US11195676B2 (en) 2016-04-18 2021-12-07 Gyrus Acmi, Inc. Electronic switch mechanism

Also Published As

Publication number Publication date
DE19747044A1 (de) 1999-04-29
EP0911844A3 (fr) 2000-04-19

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