EP1094481A2 - Drucktaster mit federndem Dichtelement - Google Patents
Drucktaster mit federndem Dichtelement Download PDFInfo
- Publication number
- EP1094481A2 EP1094481A2 EP00119931A EP00119931A EP1094481A2 EP 1094481 A2 EP1094481 A2 EP 1094481A2 EP 00119931 A EP00119931 A EP 00119931A EP 00119931 A EP00119931 A EP 00119931A EP 1094481 A2 EP1094481 A2 EP 1094481A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- push button
- sealing element
- pushbutton
- button according
- spring elements
- 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
Links
Images
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
- H01H13/04—Cases; Covers
- H01H13/06—Dustproof, splashproof, drip-proof, waterproof or flameproof casings
- H01H13/063—Casings hermetically closed by a diaphragm through which passes an actuating member
Definitions
- the invention relates to a push button with the features the preamble of claim 1.
- Push buttons for control surfaces are state of the art Machine operation (e.g. of machine tools) known, their Push button via a separate compression spring when not actuated is returned to a starting position.
- the compression spring is supported between the housing and the push button the push button.
- a sliding or membrane seal to seal the push button against the Housing provided.
- Such push buttons with sealing and resilient reset function each have one separate seal and a return spring.
- the invention has for its object a push button offer that is structurally simpler.
- the sealing element takes over in addition to its sealing function also a spring function and serves to reset the operated push button in one Starting position when you release the push button. So that can completely dispensed with the previously common separate spring element become.
- the sealing element used has a double function, so that the push button according to the invention is constructive is simplified and from a smaller number of Sharing.
- the sealing element advantageously has displaceable elements or rollable end sections, which when the Pushbutton moved in the direction of actuation, compressed and / or unrolled / rolled up. This builds up in the sealing element a tension on when you release the push button for resilient return of the push button to an initial position leads.
- the sealing element maintains the sealing contact with the push button and to the housing of the push button, so that during the actuation process the push button and the subsequent reset at any time when the button is released achieved a seal between the push button and the housing becomes.
- the suspension behavior of the sealing element can be integrated (pre-bent) spring elements, e.g. made of metal or Plastic, changed and dosed.
- webs can with integrated (e.g. overmolded) spring elements be, which means an increased restoring force and a special robust embodiment of the sealing element realized become.
- FIG 1 shows a push button with a housing 1 and a Push button 2, which seals over the sealing element 3 in the housing 1 is taken on.
- Push button 2 in the direction of displacement 11 - for actuating a switching element, not shown, via the contact surface 12 - slidable so that one through the stops 13 and 14th on the support element 6 and the housing 1 limited end position of the Press button 2 according to FIG 2 results.
- the sealing element 3 on the one hand, provides a seal against it the housing 1 via the sealing sleeve 15 and the other a seal against the push button 2 via the end sections 4, which form-fitting in recesses 5a and 5b of the push button 2 engage.
- the (circumferential) recess 5 is either as depressions completely in the push button 2 (not shown) or as shown through the interaction of deepening 16 in the push button 2 and contact surface 17 one on Push button 2 (detachably) attached support element 6 is formed.
- the support element 6 is in the actuated state of the push button 2 on the stops 14 of the housing 1 and limited so that the depth of the push button 2 at Actuation (see FIG. 2).
- Intermediate wall areas 9 are located between the webs 8 with reduced wall thickness.
- pressing the push button 2 can the webs 8 according to FIG 2 in the direction of actuation roll up, the spaced arrangement of the webs 8 3, there is no mutual contact between the webs 8.
- the web 8 is rolled in by the yielding intermediate wall areas 9 with a reduced wall thickness allows.
- the end section 4 in the region of the opening 7 of the sealing element 3 has 9 both in the area of an intermediate wall area also in the area of a web 8 to the circumferential recess 5 of the push button 2 adapted shape.
- the end sections 4 slide in the recesses 5 of the push button 2 at the Activate and continue to set a seal between Sealing element 3 and push button 2 secure.
- sealing element 3 shows the sealing element 3 in a sectional view with sealing sleeve 15 and increased wall thickness in the area of a web 8 and reduced wall thickness in the intermediate wall area 9.
- integrated spring elements 10 e.g. in the area of the webs 8
- the spring behavior of the sealing element 3 changed and e.g. its restoring force elevated.
- the spring elements 10 can be used as a molded part produced sealing element 3 encapsulated by the plastic compound and thus be integrated into the sealing element 3. about the shape of the spring elements 10 (e.g. as wire sections or as surface elements) and their contours (e.g. pre-bent) the spring behavior of the sealing element 3 can continue can be varied.
- the spring element 10 shown begins in Foot region 18 of the sealing element 3 and follows the dome-like Course of the web 8. By (slightly) pre-bending the spring element contrary to the dome-like course of the web 8 the restoring force of the sealing element 3 could be increased (not illustrated).
Landscapes
- Push-Button Switches (AREA)
Abstract
Description
- FIG 1
- eine Schnittdarstellung des Drucktasters im nichtbetätigten Zustand,
- FIG 2
- eine Schnittdarstellung des Drucktasters im betätigtem Zustand,
- FIG 3
- eine pespektivische Draufsicht auf das Dichtelement,
- FIG 4
- eine Schnittdarstellung A-A des Dichtelements nach FIG 5 sowie
- FIG 5
- eine Draufsicht auf das Dichtelement.
Claims (14)
- Drucktaster, insbesondere zum Einbau in Bedienpulte zur Maschinenbedienung, mit einem Gehäuse (1), in dem ein Druckknopf (2) federnd aufgenommen ist, wobei Druckknopf (2) und Gehäuse (1) über ein Dichtelement (3) gegeneinander abgedichtet sind,
dadurch gekennzeichnet, daß das Dichtelement (3) zur Rückstellung des Druckknopfs (2) in eine Ausgangsposition nach Betätigung federnd ausgebildet ist. - Drucktaster nach Anspruch 1,
dadurch gekennzeichnet, daß das Dichtelement (3) bei Betätigung des Druckknopfs (2) verschiebbare oder einrollbare Endabschnitte (4) aufweist. - Drucktaster nach Anspruch 2,
dadurch gekennzeichnet, daß die Endabschnitte (4) in Ausnehmungen (5) des Druckknopfes (5) und/oder eines mit dem Druckknopf (5) verbundenen Stützelements (6) aufgenommen sind. - Drucktaster nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, daß das Dichtelement (3) im wesentlichen rotationssymmetrisch aufgebaut ist. - Drucktaster nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, daß das Dichtelement (3) kuppelartig aufgebaut ist. - Drucktaster nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, daß das Dichtelement (3) eine Öffnung (7) zur Durchführung des Druckknopfs (2) aufweist. - Drucktaster nach Anspruch 6,
dadurch gekennzeichnet, daß die Endabschnitte (4) des Dichtelements (3) im Bereich der Öffnung (7) angeordnet sind und diese bilden. - Drucktaster nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, daß das Dichtelement (3) Stege (8) mit stärkerer Wanddicke und Zwischenwandbereiche (9) mit schwächerer Wanddicke aufweist. - Drucktaster nach Anspruch 8,
dadurch gekennzeichnet, daß das rotationssymmetrische Dichtelement (3) im wesentlichen sternförmig angebrachte Stege (8) aufweist. - Drucktaster nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, daß das Dichtelement (3) integrierte Federelemente (10) aufweist. - Drucktaster nach Anspruch 10,
dadurch gekennzeichnet, daß die Federelemente (10) aus Metall oder Kunststoff bestehen. - Drucktaster nach Anspruch 10 oder 11,
dadurch gekennzeichnet, daß die Federelemente (10) drahtförmig oder flächig ausgebildet sind. - Drucktaster nach einem der Ansprüche 10 bis 12,
dadurch gekennzeichnet, daß die Federelemente (10) im Bereich der Stege (8) des Dichtelements (3) angebracht sind. - Drucktaster nach einem der Ansprüche 10 bis 13,
dadurch gekennzeichnet, daß die Federelemente (10) z.B. zur Vorspannung des Dichtelements (3) vorgebogen sind.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19950367A DE19950367C1 (de) | 1999-10-19 | 1999-10-19 | Drucktaster mit federndem Dichtelement |
DE19950367 | 1999-10-19 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1094481A2 true EP1094481A2 (de) | 2001-04-25 |
EP1094481A3 EP1094481A3 (de) | 2003-01-29 |
EP1094481B1 EP1094481B1 (de) | 2004-08-04 |
Family
ID=7926178
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00119931A Expired - Lifetime EP1094481B1 (de) | 1999-10-19 | 2000-09-13 | Drucktaster mit federndem Dichtelement |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1094481B1 (de) |
DE (2) | DE19950367C1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2023036074A1 (zh) * | 2021-09-10 | 2023-03-16 | 维沃移动通信有限公司 | 一种按键结构和电子设备 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2043119B1 (de) * | 2007-09-28 | 2013-05-15 | Siemens Aktiengesellschaft | Drucktaster |
WO2022056699A1 (en) * | 2020-09-16 | 2022-03-24 | Abb Schweiz Ag | Pushbutton and electrical device |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1523310A (en) * | 1975-01-03 | 1978-08-31 | Goetzewerke | Rotary seal assembly |
DE3041470A1 (de) * | 1980-11-04 | 1982-06-09 | E. Dold & Söhne KG, 7743 Furtwangen | Taste |
US4641004A (en) * | 1983-12-02 | 1987-02-03 | Siemens Aktiengesellschaft | Key module for keyboards having a dome-shaped key member of resilient material |
EP0558239A1 (de) * | 1992-02-22 | 1993-09-01 | McKechnie UK Limited | Drucktastenschalter |
US5283408A (en) * | 1992-08-04 | 1994-02-01 | Silitek Corporation | Structure of key switch |
US5558056A (en) * | 1995-11-14 | 1996-09-24 | Freudenberg-Nok General Partnership | Two-piece valve stem seal |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH679093A5 (de) * | 1989-06-23 | 1991-12-13 | Fela Planungs Ag |
-
1999
- 1999-10-19 DE DE19950367A patent/DE19950367C1/de not_active Expired - Fee Related
-
2000
- 2000-09-13 DE DE50007274T patent/DE50007274D1/de not_active Expired - Lifetime
- 2000-09-13 EP EP00119931A patent/EP1094481B1/de not_active Expired - Lifetime
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1523310A (en) * | 1975-01-03 | 1978-08-31 | Goetzewerke | Rotary seal assembly |
DE3041470A1 (de) * | 1980-11-04 | 1982-06-09 | E. Dold & Söhne KG, 7743 Furtwangen | Taste |
US4641004A (en) * | 1983-12-02 | 1987-02-03 | Siemens Aktiengesellschaft | Key module for keyboards having a dome-shaped key member of resilient material |
EP0558239A1 (de) * | 1992-02-22 | 1993-09-01 | McKechnie UK Limited | Drucktastenschalter |
US5283408A (en) * | 1992-08-04 | 1994-02-01 | Silitek Corporation | Structure of key switch |
US5558056A (en) * | 1995-11-14 | 1996-09-24 | Freudenberg-Nok General Partnership | Two-piece valve stem seal |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2023036074A1 (zh) * | 2021-09-10 | 2023-03-16 | 维沃移动通信有限公司 | 一种按键结构和电子设备 |
Also Published As
Publication number | Publication date |
---|---|
EP1094481A3 (de) | 2003-01-29 |
DE50007274D1 (de) | 2004-09-09 |
DE19950367C1 (de) | 2001-02-01 |
EP1094481B1 (de) | 2004-08-04 |
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