CN105144330B - Key switch cap - Google Patents
Key switch cap Download PDFInfo
- Publication number
- CN105144330B CN105144330B CN201480010031.3A CN201480010031A CN105144330B CN 105144330 B CN105144330 B CN 105144330B CN 201480010031 A CN201480010031 A CN 201480010031A CN 105144330 B CN105144330 B CN 105144330B
- Authority
- CN
- China
- Prior art keywords
- region
- key switch
- cap
- substrate
- sealing area
- 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.)
- Active
Links
- 239000000463 material Substances 0.000 claims abstract description 25
- 238000007789 sealing Methods 0.000 claims abstract description 21
- 239000004033 plastic Substances 0.000 claims abstract description 15
- 229920003023 plastic Polymers 0.000 claims abstract description 15
- 239000000758 substrate Substances 0.000 claims description 32
- 230000007246 mechanism Effects 0.000 claims description 9
- 230000014759 maintenance of location Effects 0.000 claims description 4
- 230000004888 barrier function Effects 0.000 description 11
- 238000000034 method Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 10
- 238000010276 construction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000011469 building brick Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
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 present invention relates to a kind of key switch cap (1) being made up of flexible material for being used for key switch (5), wherein, key switch cap (1) includes center press region (2), encirclement center press region (2) and connected deformed region (3) and the sealing area (4) being connected with deformed region (3), wherein, center press region (2) and sealing area (4) are made up of the first plastic material, and deformed region is made up of the 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 for example can apply to closing for vehicle
Lock system.
Background technology
If need switching function in electromechanical construction package, then choose switch and it is whole as individual member
Close in electromechanical construction package.Generally these switches are with the key switch cap for Operation switch.Here, key switch cap
Particularly it is used to transfer force to switch contact.
Such electrical contact switch is used as small-sized in many application fields (such as automotive engineering and family's power technology)
Switch, microswitch or superminiature switch.For this switch, sliding contact is introduced from a contact position with sliding motion
To another contact position.Here, be conductively connected only occur on corresponding contact position.
A kind of key switch cap as known in US 39 32 722, wherein, by the rubber for being shaped as frustum of a cone or vault
The deflating cap of class realizes switching process, wherein, switching process has buckle process or breech lock process.The known deflating cap is by one
The rubber type of material of body formula is formed.
Another deflating cap being made up of integral type material known in the C2 of DE 31 22 456, it is substantially by US
Built on the basis of deflating cap known to 39 32 722.Another kind is by the deflating cap that integral type material is formed by GB 2 112
Known in 577 A.
Another integrated button deflating cap is described in disclosed DE 10 2,013 203 467.9 is not shifted to an earlier date.
The shortcomings that known key switch cap, is, in order to be avoided in the case of the area pressed of Operation switch cap repeatedly
Abrasion, should select corresponding resistance material.But which results in, it is necessary to costly design deflating cap in switching process
Implement the region of buckle process or breech lock process.
The content of the invention
The task of the present invention is, there is provided a kind of improved key switch cap.Another task is to provide a kind of improvement
Key switch.
The task is realized by the totality of the feature of claim 1.The improvement project of the present invention is dependent claims
Theme.
The present invention from the key switch cap being made up of flexible material for key switch, wherein, key switch
Cap includes center press region, encirclement center press region and connected deformed region and is connected with deformed region close
Seal region.In addition, deformed region is interpreted as to the following region of cap, i.e. because power is applied to center press region Er Shigai areas
Area deformation, to realize on-off action.Sealing area is interpreted as to the following region of cap, i.e. the region play by cap relative to
The effect of substrate (cap can be installed on the substrate) sealing.Area pressed is interpreted as to the following region of cap, i.e. the pressing to cap
Power is applied on the region.
In addition, substrate is interpreted as the housing (such as lead frame) of one or more electric conductor traces or for electricity
The housing of road plate, housing have portion of leaving blank in switch region.In addition, contact surface is interpreted as electric conductor trace Shang Mianhuo areas
Domain.It is used to establish the electrical connection between the contact surface of two or more conductive traces according to the cap of the present invention.
The invention is characterised in that center press region and sealing area are made up of the first plastic material, and deformed region
It is made up of the second plastic material, wherein, the first plastic material is harder than the second plastic material.Because with harder than deformed region
Plastic material establishes area pressed, it is ensured that, avoid wearing on center press region due to operating cap repeatedly.
But ensure that simultaneously again, cap has corresponding pliability in deformed region, so as to safely and reliably to central area pressed
Small power effect make a response, thus realize switching process by buckle process or breech lock process.
By applying the power pressed down on to the center press region of cap, center press region towards the direction of substrate from
Rest position moves to final position.
In embodiments of the present invention, deformed region and sealing area have overlapping region as follows, i.e. deformed region
Stackedly arranged each other as follows with sealing area at least range selector, i.e. the downside of sealing area and the upside of deformed region
It is connection.The rib formed in overlapping region can be used for for cap being supported on the barrier portion being correspondingly configured on substrate
On.Suitably, by cap laser welding or can be bonded in the barrier portion.It may thereby be ensured that cap medium-tight surround
Switch space.Switch space is interpreted as following region, i.e. in this region, built by cap between the conductive traces of substrate
Vertical contact.Suitably, the switch space by cap be medium-tight close, with avoid intrusion moisture cause to contact surface
Corrosion, or the dirt (such as metal fine grit, chip) of intrusion causes short circuit occurs between conductive traces on substrate.
Suitably, the sealing for key switch cap in key switch, the downside of deformed region have circular groove.By
This may insure reliable assembling of the cap on substrate.In addition, be thus advantageous to switch space relative to the medium-tight in the external world
Closing.
In another embodiment of the present invention, the sealing area of cap has to be opened key switch cap is fastened on into button
Mechanism on the substrate of pass.It thus avoid sliding of the cap in operation.Suitably, the retention mechanism is to be used to rivet
(Verstemmen) mechanism or for by sealing area and substrate card lockwork.
Brief description of the drawings
Below, the present invention is elaborated by accompanying drawing.Wherein：
Fig. 1 illustrates the key switch cap according to the present invention with section view；
Fig. 2 illustrates the exemplary first switch with the key switch cap according to the present invention with section view；
Fig. 3 illustrates the exemplary second switch with the key switch cap according to the present invention with section view；
Fig. 4 illustrates the 3rd exemplary switch with the key switch cap according to the present invention with section view；
Embodiment
Fig. 1 illustrates the key switch cap according to the present invention with section view.Key switch cap 1 is by center press region 2, deformation
Region 3 and sealing area 4 are formed.Sealing area 4 is referred to as the border area of key switch cap 1.The He of center press region 2
Border area 4 is made up of the material harder than deformed region 3 herein.Here, center press region 2 and border area 4 can be wanted
It is made up of identical material such as plastics, otherwise it is made from a variety of materials, as long as both materials are respectively than being made deformation
The material in region 3 is harder.
In Fig. 1, it is rotational symmetry according to the key switch cap 1 of the present invention.Certainly, according to the key switch of the present invention
Cap 1 can have arbitrary shape, as long as deformed region 3 surrounds center press region 2 and the deformed region 3 is by border area
4 surround.
Fig. 2 illustrates the exemplary first switch with the key switch cap according to the present invention with section view.
Key switch 5 is made up of substrate 6, is disposed with key switch cap 1 on the substrate.Existed under in cap 1 with two
The switch region 10 of the contact surface 7 of the individual form of conductive traces 7, can establish electrical connection between the two conductive traces.
Switch region 10 is about the following region of substrate 6, i.e. contact surface 7 extends in this region.Substrate 6 can example
In this way by plastics come the electronic building brick carrier of lead frame form encapsulated, wherein, the lead frame in switch region 10
It is not encapsulated.But substrate 6 can also be the housing for circuit board, wherein, in switch region 10, housing has
Corresponding portion of leaving blank.
The effect of switch region 10 is region defined below：In the region, key switch 5 should be in conductive traces 7
Between establish electrical connection.
It can be extended on the center press region 2 of key switch cap 1 with applying power F, the power perpendicular to the ground of substrate 6.Due to
Center press region 2 is pressed down on towards orientation substrate, therefore deformed region 3 correspondingly deforms.In center press region 2
It is disposed between substrate 6 and couples bridge 10.The connection bridge 10 is used to establish electrical connection between contact surface 7.Couple bridge 10 for example
It is the flexible member of arcuately pre-tensioned face formula metal band forms.Connection bridge 10 constructs as follows, i.e. the connection bridge is inhaled
Receive the power F being applied on center press region 2 and deform as follows in this case, i.e. the connection bridge is at two
Electrical connection is established between contact surface 7.
Barrier portion 11 is implemented with substrate 6, the barrier portion surrounds switch region 10.Border area 4 is in join domain 9
In these barrier portions.In order to preferably be connected between cap 1 and barrier portion 11, can implement in the downside of border area 4
There is groove (not shown), barrier portion is embedded into the groove.Border area 4 is connected by barrier portion 11 and substrate 6 in the join domain 9
Connect, such as laser welding or bonding.The switch region 10 that is surrounded by substrate 6 and key switch cap 1 thus be medium-tight seal
Close.It is ensured that definitely no moisture such as dust can be invaded in switch region from outside, and will not make
The corrosion and pollution of paired contact surface 7.
Fig. 3 and Fig. 4 illustrates exemplary second and the 3rd with the key switch cap according to the present invention with section view and opened
Close.With substantially possessing identical reference with the element of identical function in Fig. 2 and structure.The repetition of these similar elements
Description be omitted in the description for Fig. 3 and Fig. 4, and Fig. 4 or Fig. 3 corresponding aspect with reference to figure 2.
Unlike the switch shown in Fig. 2, overlapping region 9a be present in switch 5 in figure 3, in the overlapping region
The deformed region 3 and border area 4 of middle key switch cap 1 are overlapping.Here, overlapping implement as follows, i.e. in overlapping region
The upside 3o of deformed region 3 is connected with the downside 4u of border area 4 in 9a.
In figure 3, in the join domain 9 of cap 1 and substrate 6, the deformed region 3 of cap 1 is supported on the barrier portion 11 of substrate 6
On.Groove 12 is implemented with the downside 3u of deformed region 3, barrier portion 11 is embedded into the groove.Thus achieve cap 1 and substrate 6
Between improve connect and prevent cap 1 relative to switch region 10 accident slide.
Border area 4 has multiple retention mechanisms 13 for being used to connect cap 1 and substrate 6.Figure 3 illustrates for
The mechanism 13 that cap 1 and the riveting of substrate 6 are got up.Fig. 4 shows to be used for cap 1 and the card lockwork 13 of substrate 6.For this in substrate 6
In be implemented with corresponding discontinuities, be incorporated into for card lockwork 13 in the discontinuities.It is here, of the prior art suitable
Constructional measures are well known to the skilled person.
Reference numerals list
1 key switch cap
2 center press regions
3 deformed regions
The upside of 3o deformed regions
The downside of 3u deformed regions
4 border areas
The downside of 4u border areas
5 key switches
6 substrates
7 contact surfaces
8 connection bridges
9 join domains
9a overlapping regions
10 switch regions
11 barrier portions
12 grooves
13 retention mechanisms
F power
Claims (3)
1. one kind is used for the key switch cap (1) being made up of flexible material of key switch (5), wherein, the key switch
Cap (1) includes center press region (2), surrounds the center press region (2) and the change being connected with the center press region
Shape region (3) and the sealing area (4) being connected with the deformed region (3), it is characterised in that the center press region
(2) it is made up with the sealing area (4) of the first plastic material, and the deformed region is made up of the second plastic material, its
In, first plastic material is harder than second plastic material, wherein, the deformed region (3) and the sealing area
(4) there is overlapping region (9a) as follows, i.e. the deformed region (3) and the sealing area (4) at least range selector
Stackedly arrange each other as follows, i.e. the downside (4u) of the sealing area (4) and the upside of the deformed region (3)
(3o) is connection, and wherein, for sealing of the key switch cap (1) in key switch (5), the deformed region
(3) downside (3u) has circular groove (12).
2. key switch cap according to claim 1, it is characterised in that the sealing area (4) has to by described in
Key switch cap (1) is fastened on the mechanism (13) on the substrate (6) of key switch (5).
3. key switch cap according to claim 2, it is characterised in that the retention mechanism (13) be used for will be described close
Seal the mechanism of region (4) and the substrate (6) riveting or for by the machine of the sealing area (4) and the substrate (6) clamping lock
Structure.
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 CN105144330A (en) | 2015-12-09 |
| CN105144330B true 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) |
Families Citing this family (5)
| 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. |
| DE102018222088B3 (en) * | 2018-12-18 | 2020-06-18 | Volkswagen Aktiengesellschaft | Key switch and motor vehicle with a key switch |
| EP4506525A1 (en) * | 2023-08-09 | 2025-02-12 | Vitesco Technologies GmbH | Sensor assembly having a spring element and ratio of movement |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 (12)
| 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 |
| JP2974397B2 (en) * | 1990-11-19 | 1999-11-10 | 株式会社カンセイ | Push-button switch |
| DE19819693B4 (en) * | 1998-05-02 | 2004-10-21 | Berker Gmbh & Co. Kg | Spring switching element with tactile feedback |
| DE19856902C2 (en) * | 1998-12-10 | 2001-02-08 | Huf Huelsbeck & Fuerst Gmbh | External door handle, especially for vehicles, with a handle and with a pressure actuator integrated into it |
| 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 (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105144331A (en) | 2015-12-09 |
| CN105144330A (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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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |