EP0990243B1 - Interrupteur sensible avec element de fixation - Google Patents

Interrupteur sensible avec element de fixation Download PDF

Info

Publication number
EP0990243B1
EP0990243B1 EP99926274A EP99926274A EP0990243B1 EP 0990243 B1 EP0990243 B1 EP 0990243B1 EP 99926274 A EP99926274 A EP 99926274A EP 99926274 A EP99926274 A EP 99926274A EP 0990243 B1 EP0990243 B1 EP 0990243B1
Authority
EP
European Patent Office
Prior art keywords
snap
snap disk
fixing element
disc
support
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
EP99926274A
Other languages
German (de)
English (en)
Other versions
EP0990243A1 (fr
Inventor
Stefan Grosskopf
Stéphane Vanhelle
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.)
Inovan Stroebe KG
Inovan GmbH and Co KG Metalle und Bauelemente
Dav SA
Original Assignee
Inovan Stroebe KG
Inovan GmbH and Co KG Metalle und Bauelemente
Dav SA
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 Inovan Stroebe KG, Inovan GmbH and Co KG Metalle und Bauelemente, Dav SA filed Critical Inovan Stroebe KG
Publication of EP0990243A1 publication Critical patent/EP0990243A1/fr
Application granted granted Critical
Publication of EP0990243B1 publication Critical patent/EP0990243B1/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
    • H01H5/00—Snap-action arrangements, i.e. in which during a single opening operation or a single closing operation energy is first stored and then released to produce or assist the contact movement
    • H01H5/04—Energy stored by deformation of elastic members
    • H01H5/30—Energy stored by deformation of elastic members by buckling of disc springs
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2207/00—Connections
    • H01H2207/032—Surface mounted component
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2227/00—Dimensions; Characteristics
    • H01H2227/026—Separate dome contact

Definitions

  • the invention relates to a snap disk switch according to the preamble of the claim 1 with a domed snap disc, which has at least two support elements is supported on a base element, in which at least one Support element has a fastening element by means of which the snap disc is fixable on the base element, the fastening element via compensating webs is connected to the support element.
  • Such snap disk switches are well known in the prior art and are mainly used in the area of keyboards. Because one of the switch contacts is regularly arranged on the snap disc and the corresponding one Mating contact is located on the basic element, it is necessary to Fix the snap disc in its position. This happens regularly by that the snap disc is arranged within a recess or around the Corresponding limits are attached. Because of the design the support elements cannot be firmly connected to the basic element be, since the support elements when moving the snap disc a little movement To run. A fastening of the support elements on the basic element would therefore significantly impair the function of the snap disk and because of the Forces acting on the attachment may not be durable.
  • a push button switch for electronic desktop computers or the like which has a movable contact part, which one has disc-shaped arched middle part.
  • the disc-shaped middle part is over one web-like part connected to a holding part, by means of which the contact part can be attached to a base plate.
  • the middle section leads one when actuated linear motion. This means that it moves on the surface of the base plate.
  • At least one support element has a fastening element by means of which the snap disc can be fixed on the base element.
  • the Fastening element can be achieved in an advantageous manner that the support element is movably connected to the base element to a small extent.
  • the support element can thus be caused by the actuation of the snap disk Carry out movement. Because the movement made by the support element is essentially a torsional movement, the snap disc remains in their position. Further measures to fix the snap disc on the Basic elements are no longer required.
  • the fastening element via compensating webs with the Support element connected.
  • the torsion movement is due to the compensating bars cushioned the support element, so that only one very low torsional force acts.
  • the compensating webs must be dimensioned in this way be that an optimum between the torsional force acting on the fasteners acts, and the force with which the snap disc in its position is held. If the compensating webs are too weakly dimensioned, the Torsional force acting on the fasteners is very low, but it does exist the risk that the snap disc is not held in its exact position because the compensating webs could bend.
  • the compensating bars are allowed but also not be dimensioned too strongly, because on the one hand then the fastening elements acting torsional forces are too large and also a linear movement the support elements is no longer possible. This would be disadvantageous, albeit the support elements also essentially perform a torsional movement, the support elements when actuating the snap disc also a small one perform linear motion.
  • the fastener has a surface which by means of the so-called SMD technology can be attached.
  • the snap disk can be advantageous Attach it very efficiently to the base element.
  • the fastening element can also have a plug-in foot, by means of which it can be fastened in an opening. Such an embodiment is then special advantageous if the snap disk is to be attached to a circuit board.
  • the snap disk and the fastening element is optionally formed in one piece with the plug-in foot, as is the case with a Another special embodiment of the invention is provided.
  • a domed snap disc has 1 of a snap disk switch at the highest point of the curvature Switch contact 10 on.
  • the switch contact 10 is designed as a spherical curvature, which extends inwards in the radial direction of the snap disk.
  • the snap disk 1 lies on a base element by means of four support elements 2, 3, 4, 5 6 on.
  • the support elements 2, 3, 4, 5 are as a turn of the corresponding one Part of the snap disc 1 formed.
  • Starting from a support element 2 extends a tab-shaped fastener 7.
  • the fastener 7 consists essentially of two flat surface elements, which so are designed so that they can be fastened by means of the so-called SMD technology.
  • the surface elements 7 are integral with the support element via narrow webs 8 2 connected.
  • the support elements 2, 3, 4, 5 among other things, a rotary motion.
  • the movement of the support element 2 will caught by the connecting webs 8 essentially resilient, so that on the Surface elements 7 a very low residual force is transmitted. Because of the low Force that is transmitted to the surface elements 7 becomes very long-lasting the fasteners 7 reached.
  • the snap disc 1 is through the fasteners 7 held in place.
  • FIG. 3 and 4 is a second embodiment of an inventive Snap disc shown.
  • the same elements have the same reference symbols Mistake; to distinguish them, the reference numerals are only with a line Mistake.
  • the two flat elements have 7 'each have a plug-in foot 9'.
  • the plug feet 9 ' extend into the Snap disc 1 'facing away and are integral with the surface elements 7 'formed as a bent sheet metal part.
  • the plug feet 9 ' are very suitable for fastening the snap disk 1 'on a circuit board. To do this, the Printed circuit board only have holes into which the plug-in feet 9 'are inserted.
  • FIGS. 5 to 7 show a further embodiment of an inventive one Snap disk shown; identical elements are provided with the same reference symbols; to distinguish them, however, the reference symbols are provided with two dashes.
  • the snap disc shown in Figures 5 to 7 differs from that Snap disks previously described in that the support elements 2 ", 3", 4 “, 5" are not evenly distributed over the circumference of the snap disk 1 " but are arranged opposite each other in pairs. Two support elements each 2 “, 3” and 4 “, 5" extend in the same direction. hereby is conditional for each pair of the support elements 2 ", 3", 4 “, 5" Element 7 "is present.
  • the flat element 7" is approximately S-shaped Web 8 "with the support elements 2", 3 ", 4", 5 "connected.
  • connecting webs 8 enable straight-line movements balance the support elements 2 ", 3" particularly well. This is it possible that the opposite support elements 4 ", 5" via connecting webs 8 "are connected to a further flat element 7".

Landscapes

  • Switch Cases, Indication, And Locking (AREA)
  • Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)

Claims (4)

  1. Interrupteur sensible comprenant un disque sensible bombé (1 ; 1', 1") qui prend appui sur un élément de base (6 ; 6' ; 6") par l'intermédiaire d'au moins deux éléments de support (2, 3, 4, 5 ; 2', 3', 4', 5' ; 2", 3", 4", 5") et dont au moins un élément de support (2, 3, 4, 5 ; 2', 3', 4', 5' ; 2", 3", 4", 5") présente un élément de fixation (7 ; 7'; 7") au moyen duquel le disque sensible (1 ; 1' ; 1") peut être fixé sur l'élément de base (6 ; 6' ; 6"), sachant que l'élément de fixation (7 ; 7' ; 7") est relié à l'élément de support (2, 3, 4, 5 ; 2', 3', 4', 5'; 2", 3", 4", 5") par l'intermédiaire de barrettes de compensation (8 ; 8', 8"), caractérisé en ce que les barrettes de compensation (8 ; 8' ; 8") sont dimensionnées de telle sorte qu'en actionnant le disque sensible (1; 1'; 1 "), elles ne fléchissent pas, mais effectuent un mouvement de torsion.
  2. Interrupteur sensible selon la revendication 1, caractérisé en ce que l'élément de fixation (7 ; 7") présente une surface pouvant être fixée selon la technologie dite des composants montés en surface.
  3. Interrupteur sensible selon la revendication 1, caractérisé en ce que l'élément de fixation (7') présente un tenon (9') permettant de le fixer dans une ouverture.
  4. Interrupteur sensible selon l'une des revendications 1 à 3, caractérisé en ce que le disque sensible (1 ; 1', 1") est réalisé d'un seul tenant.
EP99926274A 1998-04-18 1999-04-17 Interrupteur sensible avec element de fixation Expired - Lifetime EP0990243B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19823894 1998-04-18
DE19823894A DE19823894C1 (de) 1998-04-18 1998-04-18 Schnappscheibenschalter mit Befestigungselement
PCT/DE1999/001194 WO1999054900A1 (fr) 1998-04-18 1999-04-17 Interrupteur sensible avec element de fixation

Publications (2)

Publication Number Publication Date
EP0990243A1 EP0990243A1 (fr) 2000-04-05
EP0990243B1 true EP0990243B1 (fr) 2002-09-11

Family

ID=7869199

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99926274A Expired - Lifetime EP0990243B1 (fr) 1998-04-18 1999-04-17 Interrupteur sensible avec element de fixation

Country Status (3)

Country Link
EP (1) EP0990243B1 (fr)
DE (2) DE19823894C1 (fr)
WO (1) WO1999054900A1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006021474A1 (de) * 2006-05-09 2007-11-15 Härter Werkzeugbau GmbH Tastaturanordnung
DE102006010811B4 (de) * 2006-03-07 2018-03-01 Huf Hülsbeck & Fürst Gmbh & Co. Kg Schaltelement und Betätigungsvorrichtung damit sowie Türgriff mit dieser Betätigungsvorrichtung
DE102006024292A1 (de) 2006-05-24 2007-11-29 Huf Hülsbeck & Fürst Gmbh & Co. Kg Griff zur elektrischen Betätigung eines Verschlusses an einer Klappe oder einer Tür in einem Fahrzeug
DE102007062901B3 (de) * 2007-12-21 2009-05-07 Kleiner Gmbh Schnappscheibe
DE102009033486B4 (de) 2008-09-30 2018-12-27 Huf Hülsbeck & Fürst Gmbh & Co. Kg Betätigungseinheit
DE102009046704A1 (de) * 2009-07-15 2011-01-20 Huf Hülsbeck & Fürst Gmbh & Co. Kg Elektrischer Schalter
DE102010006167B3 (de) * 2010-01-29 2011-07-28 MENTOR GmbH & Co Präzisions-Bauteile KG, 40699 Beleuchtbare Tasterkappe für folienabgedeckte Tastaturen
EP2645391B1 (fr) * 2012-03-27 2016-10-12 RAFI GmbH & Co. KG Dispositif de commutation et contacteur de commutation

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2705756C2 (de) * 1977-02-11 1982-09-02 Alps Electric Co., Ltd., Tokyo Druckknopfschalter für elektronische Tischrechner o.dgl.
CH676765A5 (fr) * 1988-06-14 1991-02-28 Elma Electronic Ag
CH677552A5 (fr) * 1989-04-10 1991-05-31 Sulzer Ag
GB2308500B (en) * 1995-12-22 1999-07-21 Nokia Mobile Phones Ltd A domed contact element for a keypad assembly

Also Published As

Publication number Publication date
DE19823894C1 (de) 2000-01-05
WO1999054900A1 (fr) 1999-10-28
EP0990243A1 (fr) 2000-04-05
DE59902636D1 (de) 2002-10-17

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