CN105144330A - Pushbutton switch cap - Google Patents
Pushbutton switch cap Download PDFInfo
- Publication number
- CN105144330A CN105144330A CN201480010031.3A CN201480010031A CN105144330A CN 105144330 A CN105144330 A CN 105144330A CN 201480010031 A CN201480010031 A CN 201480010031A CN 105144330 A CN105144330 A CN 105144330A
- Authority
- CN
- China
- Prior art keywords
- region
- key switch
- cap
- substrate
- switch cap
- 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
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
- H01H13/14—Operating parts, e.g. push-button
-
- 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
- H01H1/18—Contacts characterised by the manner in which co-operating contacts engage by abutting with subsequent sliding
-
- 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
- H01H1/2025—Bridging contacts comprising two-parallel bridges
-
- 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
-
- 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
- H01H13/26—Snap-action arrangements depending upon deformation of elastic members
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/02—Bases, casings, or covers
- H01H9/04—Dustproof, splashproof, drip-proof, waterproof, or flameproof casings
- H01H2009/048—Dustproof, splashproof, drip-proof, waterproof, or flameproof casings using a sealing boot, e.g. the casing having separate elastic body surrounding the operating member and hermetically closing the opening for it
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2203/00—Form of contacts
- H01H2203/036—Form of contacts to solve particular problems
- H01H2203/038—Form of contacts to solve particular problems to be bridged by a dome shaped contact
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2205/00—Movable contacts
- H01H2205/016—Separate bridge contact
- H01H2205/024—Means to facilitate positioning
- H01H2205/028—Protuberances on substrate
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2215/00—Tactile feedback
- H01H2215/004—Collapsible dome or bubble
Landscapes
- Push-Button Switches (AREA)
Abstract
The invention relates to a pushbutton switch cap (1) which is composed of a flexible material for a pushbutton switch (5), wherein the pushbutton switch cap (1) comprises a central pressure region (2), a deformation region (3) which surrounds the central pressure region (2) and is connected to the said central pressure region, and a sealing region (4) which is connected to the deformation region (3), wherein the central pressure region (2) and the sealing region (4) are produced from a first plastic material, and the deformation region is produced from a second plastic material, wherein the first plastic material is harder than the second plastic material.
Description
Technical field
The present invention relates to a kind of key switch cap for electromechanical construction package, it such as can be applied to the block sytem of vehicle.
Background technology
If need switching function in electromechanical construction package, so choose switch and it can be used as individual member to be incorporated in electromechanical construction package.Usually these switches have the key switch cap for console switch.At this, key switch cap is delivered on switch contact especially for by power.
Such electrical contact switch is used as switchette, microswitch or superminiature switch in a lot of application (such as automotive engineering and family's power technology).For this switch, with sliding motion, sliding contact is incorporated into another contact position from a contact position.At this, conduction connection should only occur on corresponding contact position.
By the known a kind of key switch cap of US3932722, wherein, be that the deflating cap of the rubber-like of frustum of a cone or vault realizes switching process by shape, wherein, switching process has buckle process or breech lock process.This known deflating cap is made up of the rubber type of material of integral type.
By the known another kind of deflating cap be made up of integral type material of DE3122456C2, it builds substantially on the basis by the known deflating cap of US3932722.The another kind of deflating cap be made up of integral type material is known by GB2112577A.
Another kind of integrated button deflating cap is described in DE102013203467.9 disclosed in not shifting to an earlier date.
The shortcoming of known key switch cap is, in order to avoid wearing and tearing when the area pressed of repeatable operation deflating cap, should select corresponding resistance material.But which results in, costly must design the region of implementing buckle process or breech lock process in switching process of deflating cap.
Summary of the invention
Task of the present invention is, provides a kind of key switch cap of improvement.Another task is the key switch providing a kind of improvement.
This task is by totally the realizing of feature of claim 1.Improvement project of the present invention is the theme of dependent claims.
The present invention from the key switch cap be made up of flexible material for key switch, wherein, the sealing area that key switch cap comprises center press region, surrounds center press region and connected deformed region and be connected with deformed region.In addition, deformed region is interpreted as cap as lower area, that is, make this region deformation because power is applied to center press region, to realize on-off action.Sealing area is interpreted as cap as lower area, that is, the effect sealed relative to substrate (cap can be installed on this substrate) by cap is played in this region.Area pressed is interpreted as cap as lower area, that is, the pressing force of cap is applied on this region.
In addition, substrate is interpreted as housing has in switch region the portion of leaving a blank for the housing (such as lead frame) of one or more electric conductor trace or the housing for circuit board.In addition, contact-making surface is interpreted as the face on electric conductor trace or region.Cap according to the present invention for set up two or more conductive traces contact-making surface between electrical connection.
The present invention is characterised in that, center press region and sealing area are made up of the first plastic material, and deformed region is made up of the second plastic material, and wherein, the first plastic material is harder than the second plastic material.Because set up area pressed with the plastic material harder than deformed region, so ensure that, avoid on center press region, occurring wearing and tearing due to repeatable operation cap.But ensure that again simultaneously, cap has corresponding pliability at deformed region, so as safety and reliably the little power effect of central area pressed is made a response, thus by buckle process or breech lock process implementation switching process.
By applying the power of pressing downwards to the center press region of cap, center press region towards substrate direction move to final position from rest position.
In embodiments of the present invention, deformed region and sealing area have overlapping region as follows, that is, deformed region and sealing area are at least arranged range selector as follows each other stackedly, that is, the downside of sealing area is connected with the upside of deformed region.The rib formed in overlapping region may be used for cap to be supported in the barrier portion that is correspondingly configured on substrate.Aptly, by cap laser welding or can be bonded in this barrier portion.Can guarantee thus, cap medium-tight ground surrounds switch space.Switch space is interpreted as lower area, that is, in this region, between the conductive traces of substrate, sets up contact by cap.Aptly, this switch space by cap be medium-tight close, with the corrosion avoiding the moisture invaded to cause contact-making surface, or the dirt (such as metal fine grit, chip) invaded causes being short-circuited between the conductive traces on substrate.
Aptly, in order to the sealing of key switch cap in key switch, the downside of deformed region have around groove.The reliable assembling of cap on substrate can be guaranteed thus.In addition, be conducive to thus switch space relative to the external world medium-tight close.
In another embodiment of the present invention, the sealing area of cap has the mechanism in order to be fastened on by key switch cap on the substrate of key switch.Thus avoid the slippage of cap when operating.Aptly, this retention mechanism is mechanism for riveting (Verstemmen) or for by sealing area and substrate card lockwork.
Accompanying drawing explanation
Below, the present invention is elaborated by accompanying drawing.Wherein:
Fig. 1 illustrates according to key switch cap of the present invention with cutaway view;
Fig. 2 illustrates the first exemplary switch had according to key switch cap of the present invention with cutaway view;
Fig. 3 illustrates the exemplary second switch had according to key switch cap of the present invention with cutaway view;
Fig. 4 illustrates the 3rd exemplary switch had according to key switch cap of the present invention with cutaway view;
Embodiment
Fig. 1 illustrates according to key switch cap of the present invention with cutaway view.Key switch cap 1 is made up of center press region 2, deformed region 3 and sealing area 4.Sealing area 4 also can be called the border area of key switch cap 1.Center press region 2 and border area 4 are made up of the material harder than deformed region 3 at this.At this, center press region 2 can or be made up of identical materials such as plastics with border area 4, or is made from a variety of materials, as long as this bi-material is harder than the material making deformed region 3 respectively.
In FIG, key switch cap 1 according to the present invention is rotational symmetric.Certainly, key switch cap 1 according to the present invention can have arbitrary shape, as long as deformed region 3 surrounds center press region 2 and this deformed region 3 is surrounded by border area 4.
Fig. 2 illustrates the first exemplary switch had according to key switch cap of the present invention with cutaway view.
Key switch 5 is made up of substrate 6, is furnished with key switch cap 1 on the substrate.Below cap 1, there is the switch region 10 with the contact-making surface 7 of two conductive traces 7 forms, can electrical connection be set up between these two conductive traces.
Switch region 10 be roughly substrate 6 as lower area, that is, contact-making surface 7 extends in this region.Substrate 6 can be such as the electronic building brick carrier of the lead frame form encapsulated by plastics, and wherein, in switch region 10, this lead frame does not have encapsulated.But substrate 6 also can be the housing for circuit board, wherein, in switch region 10, housing has corresponding portion of leaving a blank.
The effect of switch region 10 is to limit as lower area: in this region, key switch 5 should set up electrical connection between conductive traces 7.
The center press region 2 of key switch cap 1 can apply power F, and this power extends perpendicular to substrate 6 ground.Because center press region 2 is pressed downwards by towards orientation substrate ground, therefore deformed region 3 is correspondingly out of shape.Be furnished with between center press region 2 with substrate 6 and connect bridge 10.This connection bridge 10 for setting up electrical connection between contact-making surface 7.Connect the flexible member that bridge 10 is such as arcuately pre-tensioned formula metal tape form.Connect bridge 10 to construct as follows, that is, this connection bridge absorbs the power F that is applied on center press region 2 and is out of shape as follows in this case, that is, this connection bridge sets up electrical connection between two contact-making surfaces 7.
Substrate 6 implements barrier portion 11, this encirclement switch region, barrier portion 10.Border area 4 is positioned in these barrier portions in join domain 9.In order to connect better between cap 1 and barrier portion 11, can implement groove (not shown) in the downside of border area 4, barrier portion is embedded in this groove.In this join domain 9, border area 4 is connected with substrate 6 by barrier portion 11, such as laser welding or bonding.By the switch region 10 that substrate 6 and key switch cap 1 surround therefore be medium-tight close.Because this ensure that definitely do not have moisture or such as dust can invade switch region from outside, and the corrosion to contact-making surface 7 and pollution can not be caused.
Fig. 3 and Fig. 4 illustrates to have according to exemplary second of key switch cap of the present invention and the 3rd switch with cutaway view.Have and substantially have identical Reference numeral with the element of identical function in Fig. 2 and structure.The repeated description of these similar elements is omitted in for the description of Fig. 3 and Fig. 4, and Fig. 4 or Fig. 3 corresponding in reference to figure 2.
With the switch shown in Fig. 2 unlike, there is overlapping region 9a in switch 5 in figure 3, in this overlapping region the deformed region 3 of key switch cap 1 and border area 4 overlapping.At this, overlap is implemented as follows, that is, in the 9a of overlapping region, the upside 3o of deformed region 3 is connected with the downside 4u of border area 4.
In figure 3, at cap 1 with the join domain 9 of substrate 6, the deformed region 3 of cap 1 is supported in the barrier portion 11 of substrate 6.The downside 3u of deformed region 3 implements groove 12, and barrier portion 11 is embedded in this groove.Thus achieve the connection that improves between cap 1 and substrate 6 and prevent cap 1 relative to the unexpected slippage of switch region 10.
Border area 4 has multiple retention mechanism 13 for cap 1 and substrate 6 being coupled together.It is shown in Figure 3 for cap 1 and substrate 6 are riveted the mechanism 13 of getting up.Fig. 4 illustrates for by cap 1 and substrate 6 card lockwork 13.In substrate 6, implement corresponding discontinuities for this reason, be incorporated in this discontinuities for card lockwork 13.At this, suitable constructional measures of the prior art is known for those skilled in the art.
Reference numerals list
1 key switch cap
2 center press regions
3 deformed regions
The upside of 3o deformed region
The downside of 3u deformed region
4 border areas
The downside of 4u border area
5 key switches
6 substrates
7 contact-making surfaces
8 connect bridge
9 join domains
9a overlapping region
10 switch regions
11 barrier portions
12 grooves
13 retention mechanisms
F power
Claims (5)
1. the key switch cap (1) be made up of flexible material for key switch (5), wherein, described key switch cap (1) comprises center press region (2), surround described center press region (2) and with the deformed region (3) of described center press joint area and the sealing area (4) that is connected with described deformed region (3), it is characterized in that, described center press region (2) and described sealing area (4) are made up of the first plastic material, and described deformed region is made up of the second plastic material, wherein, described first plastic material is harder than described second plastic material.
2. key switch cap according to claim 1, it is characterized in that, described deformed region (3) and described sealing area (4) have overlapping region (9a) as follows, namely, described deformed region (3) and described sealing area (4) are at least arranged range selector as follows each other stackedly, that is, the downside (4u) of described sealing area (4) is connected with the upside (3o) of described deformed region (3).
3. key switch cap according to claim 2, it is characterized in that, in order to the sealing of described key switch cap (1) in key switch (5), the downside (3u) of described deformed region (3) have around groove (12).
4. the key switch cap according to any one of the claims, it is characterized in that, described sealing area (4) has the mechanism (13) in order to described key switch cap (1) to be fastened on the substrate (6) of key switch (5).
5. key switch cap according to claim 4, it is characterized in that, described retention mechanism (13) is mechanism for described sealing area (4) and described substrate (6) being riveted or for by described sealing area (4) and described substrate (6) card lockwork.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102013203466.0 | 2013-03-01 | ||
| DE201310203466 DE102013203466A1 (en) | 2013-03-01 | 2013-03-01 | switch |
| PCT/EP2014/053684 WO2014131781A1 (en) | 2013-03-01 | 2014-02-26 | Pushbutton switch cap |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105144330A true CN105144330A (en) | 2015-12-09 |
| CN105144330B CN105144330B (en) | 2017-11-14 |
Family
ID=50064589
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480011136.0A Expired - Fee Related CN105144331B (en) | 2013-03-01 | 2014-02-03 | Key switch |
| CN201480010031.3A Active CN105144330B (en) | 2013-03-01 | 2014-02-26 | Key switch cap |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480011136.0A Expired - Fee Related CN105144331B (en) | 2013-03-01 | 2014-02-03 | Key switch |
Country Status (3)
| Country | Link |
|---|---|
| CN (2) | CN105144331B (en) |
| DE (1) | DE102013203466A1 (en) |
| WO (2) | WO2014131576A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113165522A (en) * | 2018-12-18 | 2021-07-23 | 大众汽车股份公司 | Key switch and motor vehicle with key switch |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102013218515A1 (en) * | 2013-09-16 | 2015-03-19 | Kiekert Ag | Electro component carrier with multi-component lid for microswitches |
| CN111684560B (en) * | 2018-02-01 | 2022-12-06 | 雷蛇(亚太)私人有限公司 | Key switch mechanism, user input device, and method of manufacturing key switch mechanism |
| CH715073B1 (en) * | 2018-06-06 | 2021-10-29 | Landis & Gyr Ag | Switch arrangement with leaf spring contact element and printed circuit board and consumption meter including the same. |
| EP4506525A1 (en) * | 2023-08-09 | 2025-02-12 | Vitesco Technologies GmbH | Sensor assembly having a spring element and ratio of movement |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04184824A (en) * | 1990-11-19 | 1992-07-01 | Kansei Corp | Push button switch |
| WO2000034604A1 (en) * | 1998-12-10 | 2000-06-15 | Huf Hülsbeck & Fürst Gmbh & Co. Kg | Outer door handle, especially for motor vehicles, with a bow-type handle and with a pressure-actuated element integrated therein |
| EP1233434A2 (en) * | 2001-02-14 | 2002-08-21 | Whirlpool Corporation | Pushbutton structure for electronic, electrical and/or mechanical appalications |
| CN1842883A (en) * | 2003-08-23 | 2006-10-04 | 马夸特有限公司 | Electronic component, particularly an electric switch |
| DE102010037551A1 (en) * | 2010-09-15 | 2012-03-15 | Huf Hülsbeck & Fürst Gmbh & Co. Kg | switch |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3932722A (en) * | 1974-04-16 | 1976-01-13 | Nippo Communication Industrial Co., Ltd. | Push button body for a push-button switch providing snap-action of the switch |
| JPS58117615A (en) | 1981-12-29 | 1983-07-13 | 信越ポリマ−株式会社 | Pressing control member for pushbutton switch |
| DE8630320U1 (en) * | 1986-11-12 | 1988-03-24 | Motsch, Alfons, Dipl.-Ing., 51674 Wiehl | Surface switch |
| US4918270A (en) * | 1989-03-06 | 1990-04-17 | Illinois Tool Works, Inc. | Appliance switch |
| DE3910812C1 (en) | 1989-04-04 | 1990-08-23 | Kautt & Bux Kg, 7000 Stuttgart, De | |
| DE4021405A1 (en) * | 1990-07-05 | 1992-01-09 | Abb Patent Gmbh | Plunger actuated switch esp. for door of motor vehicle - comprises NC switch with contact track cranked to separate contacts |
| DE19819693B4 (en) * | 1998-05-02 | 2004-10-21 | Berker Gmbh & Co. Kg | Spring switching element with tactile feedback |
| DE102007048581B3 (en) | 2007-10-10 | 2008-09-18 | Cherry Gmbh | Electrical sliding contact switch, for micro to sub-miniature switches, has sections of the sliding path not touching the sliding contact to reduce wear |
| JP5119051B2 (en) * | 2008-06-03 | 2013-01-16 | アルプス電気株式会社 | Push button switch |
| CN102486975B (en) * | 2010-12-01 | 2014-05-07 | 富泰华工业（深圳）有限公司 | Key structure |
-
2013
- 2013-03-01 DE DE201310203466 patent/DE102013203466A1/en not_active Withdrawn
-
2014
- 2014-02-03 WO PCT/EP2014/052007 patent/WO2014131576A1/en active Application Filing
- 2014-02-03 CN CN201480011136.0A patent/CN105144331B/en not_active Expired - Fee Related
- 2014-02-26 CN CN201480010031.3A patent/CN105144330B/en active Active
- 2014-02-26 WO PCT/EP2014/053684 patent/WO2014131781A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04184824A (en) * | 1990-11-19 | 1992-07-01 | Kansei Corp | Push button switch |
| WO2000034604A1 (en) * | 1998-12-10 | 2000-06-15 | Huf Hülsbeck & Fürst Gmbh & Co. Kg | Outer door handle, especially for motor vehicles, with a bow-type handle and with a pressure-actuated element integrated therein |
| EP1233434A2 (en) * | 2001-02-14 | 2002-08-21 | Whirlpool Corporation | Pushbutton structure for electronic, electrical and/or mechanical appalications |
| CN1842883A (en) * | 2003-08-23 | 2006-10-04 | 马夸特有限公司 | Electronic component, particularly an electric switch |
| DE102010037551A1 (en) * | 2010-09-15 | 2012-03-15 | Huf Hülsbeck & Fürst Gmbh & Co. Kg | switch |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113165522A (en) * | 2018-12-18 | 2021-07-23 | 大众汽车股份公司 | Key switch and motor vehicle with key switch |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105144330B (en) | 2017-11-14 |
| CN105144331A (en) | 2015-12-09 |
| CN105144331B (en) | 2017-11-14 |
| DE102013203466A1 (en) | 2014-09-04 |
| WO2014131576A1 (en) | 2014-09-04 |
| WO2014131781A1 (en) | 2014-09-04 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| GR01 | Patent grant | ||
| GR01 | Patent grant |