CN109524264A - A kind of key switch - Google Patents
A kind of key switch Download PDFInfo
- Publication number
- CN109524264A CN109524264A CN201910036499.4A CN201910036499A CN109524264A CN 109524264 A CN109524264 A CN 109524264A CN 201910036499 A CN201910036499 A CN 201910036499A CN 109524264 A CN109524264 A CN 109524264A
- Authority
- CN
- China
- Prior art keywords
- handle
- key switch
- sliding block
- contact
- terminal
- 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.)
- Pending
Links
- 238000003825 pressing Methods 0.000 claims abstract description 14
- 238000004891 communication Methods 0.000 claims abstract description 3
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 16
- 230000001755 vocal effect Effects 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 7
- 230000004888 barrier function Effects 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 8
- 238000009434 installation Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000000638 stimulation 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
- 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
- H01H13/10—Bases; Stationary 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
- H01H13/12—Movable parts; Contacts mounted thereon
- H01H13/20—Driving mechanisms
-
- 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
- H01H13/28—Snap-action arrangements depending upon deformation of elastic members using compression or extension of coil springs
- H01H13/30—Snap-action arrangements depending upon deformation of elastic members using compression or extension of coil springs one end of spring transmitting movement to the contact member when the other end is moved by the operating part
Landscapes
- Push-Button Switches (AREA)
Abstract
The invention discloses a kind of key switch, including shell (1), on-off control assembly (3) and at least two terminals (2), each terminal (2) is fixed on shell (1)；The on-off control assembly (3) includes handle (31), sliding block (32) and contact chip (33), the handle (31) is resiliently arranged on shell (1), the sliding block (32) is resiliently arranged on handle (31), and the contact chip (33) is fixed on sliding block (32)；Can be by the electrical communication between contact chip (33) and each termination contact realization terminal by pressing pressuring press handle (31), or contact chip (33) is separated to electrically disconnecting between realizing terminal with each terminal.Key switch of the present invention in the equipment such as keyboard.
Description
Technical field
The present invention relates to switching technique fields, and in particular to a kind of key switch with stroke defencive function.
Background technique
Switch is the on-off control unit in circuit, is played a very important role to the realization of circuit function.There is one kind
Key switch need to be pressed and Continued depression could continue closing or opening, and existing key switch generally uses button by one
A spring is arranged on the shell of switch, and contact chip is fixed on button, and button press contact chip realizes the electricity between terminal
Property connects or disconnects.Pressing course button all touching switch shells, hard collision easily lead to switch damage to this switch every time
It is bad, if frequency of use is also relatively high, it is easy to hit damage using existing key switching structure, influences the adaptation longevity of switch
Life.Such as keyboard button is a kind of key switch, Continued depression can just make circuit be continuously turned on, and frequency of use
Height, button, which is easy impact switch substructure, during pressing causes to damage.
Summary of the invention
Present invention solves the technical problem that being to provide a kind of soluble key for the deficiency in background technique and open
It closes.
In order to solve the above technical problems, the technical scheme is that a kind of key switch, including shell, on-off control
Component and at least two terminals, each terminal are fixed on shell；The on-off control assembly include handle, sliding block and
Contact chip, the handle are resiliently arranged on shell, and the sliding block is resiliently arranged on handle, and the contact chip is fixed at
On sliding block；By the way that contact chip and each termination contact can realize to the electrical communication between terminal by pressuring press handle, or by contact chip
Electrically disconnecting between realizing terminal is separated with each terminal.
Further, slideway is provided on the handle, the sliding block is slidably arranged in slideway, the slideway sliding side
Both ends are provided with position limiting structure.
Further, the position limiting structure is the barrier structure that slideway one end is arranged in and the lid that the slideway other end is arranged in
Plate is connected with the first spring between the cover board and sliding block.
Further, the cover board is fixed on slideway one end by buckle structure.
Further, elastic piece structure is provided on the contact chip.
Further, be provided with contact on the terminal, the section of the contact and contact chip contact surface be triangle or
Semicircular arc.
It further, further include vocal structure, the vocal structure includes the bullet block of lateral elasticity setting, the handle side
To protrusion is provided with, the handle pressing or the process protrusions of bouncing can be contacted with bullet block.
Further, the bullet block is hoodle, and the hoodle is resiliently arranged on shell by second spring.
Further, the shell includes pedestal and upper casing, and the upper casing and pedestal are clamped.
Further, the base bottom is additionally provided with drainage hole.
The beneficial effect that the present invention realizes mainly has the following: since handle is resiliently arranged on shell, sliding block elasticity
It is arranged on handle, contact chip is fixed on sliding block, therefore when starting by pressuring press handle, and elasticity pressure occurs between handle and shell
Contracting, up to electrically conducting between contact chip and each termination contact, realization terminal；If continued by pressuring press handle, handle and sliding block
Between start elastic compression to bear the pressure from handle, sliding block and contact chip are not pressurised power and terminal hard squeeze or touch
It hits, avoids the constructions of switch such as sliding block and contact chip and damaged because of the extrusion and collision excessively generated by pressuring press handle, can be extended open
The service life of pass, the switch that the pressing dynamics such as button switch especially suitable for keyboard are big, frequency is high.
Detailed description of the invention
Fig. 1 is the schematic perspective view of key switch in the embodiment of the present invention one；
Fig. 2 is the schematic diagram of the section structure in Fig. 1 at A-A；
Fig. 3 is the schematic diagram of the section structure in Fig. 1 at B-B；
Fig. 4 is the configuration schematic diagram of key switch in the embodiment of the present invention one；
Fig. 5 is the configuration schematic diagram of the on-off control assembly of key switch in the embodiment of the present invention one；
Fig. 6 is the configuration schematic diagram of the vocal structure of key switch in the embodiment of the present invention one；
Fig. 7 is the configuration schematic diagram that the contact chip of key switch in the embodiment of the present invention one is connect with terminal；
Fig. 8 is the schematic diagram of the section structure that the contact chip of key switch in the embodiment of the present invention one is connect with terminal；
Fig. 9 is the structural schematic diagram of the contact chip of key switch in the embodiment of the present invention one.
The attached figures are only used for illustrative purposes and cannot be understood as limitating the patent；In order to better illustrate this embodiment, attached
Scheme certain components to have omission, zoom in or out, does not represent the size of actual product；To those skilled in the art,
The omitting of some known structures and their instructions in the attached drawings are understandable；The same or similar label corresponds to same or similar
Component；The terms describing the positional relationship in the drawings are only for illustration, should not be understood as the limitation to this patent.
Specific embodiment
In order to facilitate the understanding of those skilled in the art, being carried out below in conjunction with attached drawing and embodiment to the present invention further
Detailed description.
Embodiment one
Refering to fig. 1 ~ 9, a kind of key switch, including shell 1, on-off control assembly 3 and at least two terminals 2, shell 1 are used as and open
The support mounting structure of pass, shell 1 can be set to the structure of 11 split of upper casing 12 and pedestal.Each terminal 2 is fixedly installed
On shell 1, it can be clamped or be spirally connected and fix on the pedestal 11.On-off control assembly 3 is also mounted on shell 1, can activity
It is arranged on upper casing 12.The on-off control assembly 3 controls the connection or disconnection between each terminal 2, realizes switching function.
Refering to Fig. 4, the on-off control assembly 3 includes handle 31, sliding block 32 and contact chip 33, and 31 elasticity of handle is set
It sets on shell 1, can be by elastic slice or spring installation settings, such as shown in Fig. 4 using third spring 13 come elastic peace
The mode of dress, the guide post that installation spring is provided on shell 1 and handle 31 is oriented to, so that handle 31 can be along guide post elasticity
Sliding.The sliding block 32 is resiliently arranged on handle 31, can be connected using the common elastic set-up mode such as elastic slice, spring.
The contact chip 33 is fixed on sliding block 32, can using riveting, the modes such as be clamped or be spirally connected and connect.Above-mentioned terminal 2
It is metallic conductor with contact chip 33, handle 31, sliding block 32 and shell use insulating materials.
Refering to fig. 1 ~ 9, the switch of the present embodiment can be set to normal open switch, i.e. contact chip 33 and each end under natural conditions
Son is always maintained at off-state, and contact chip 33 and each termination contact can be realized that the electrical property between each terminal 2 connects by pressuring press handle 31
It is logical；It may be set to be normally closed switch, i.e., contact chip 33 and each terminal are always maintained at closed state, pressuring press handle under natural conditions
31 can separate contact chip 33 with each terminal electrically disconnecting between realizing terminal.In addition, switch can be set to pressing one
The mode that original on off operating mode is remained open or is closed can be changed down；May be set to be the continuous pressing of needs could change
On off operating mode originally, the mode for remaining open or being closed.It is normal open switch shown in Fig. 1 ~ 9 of the present embodiment, setting two
A terminal, and be the mode that continuous pressing could change original on off operating mode, when switching work, by pressuring press handle 31, contact
Piece 33 pushes therewith to electrically conduct with the realization of two termination contacts, and pressing, which may be implemented, is once connected, and Continued depression can be with
Realization is continuously turned on.Since handle 31 is resiliently arranged on shell, sliding block 32 is resiliently arranged on handle 31, and contact chip is fixed on
On sliding block 32, therefore when starting by pressuring press handle 31, elastic compression occurs between handle 31 and shell, until contact chip and each end
Son contacts, electrically conducting between realization terminal；If continuing to start elastic compression between handle 31 and sliding block 32 by pressuring press handle 31
The pressure from handle 31 is born, sliding block 32 and contact chip be not pressurised power and terminal hard squeeze or collision, avoid cunning
The constructions of switch such as block 32 and contact chip can extend the service life of switch because pressing causes extrusion and collision to damage, particularly suitable
The switch big in pressing dynamics such as keyboard pushbuttons, frequency is high.
Refering to Fig. 5, the sliding block 32 of the present embodiment uses tubular structure, internal cavity be used to install the first spring 313 or
Other elastic components.Slideway 311 is provided on the handle 31, the sliding block 32 is slidably arranged in slideway 311.It can be by sliding block
32 are set as other tubular structures outside cylinder, slideway 311 be set as with the consistent cavity body structure of 32 shape of sliding block so that sliding block
32 can in slideway 311 linear slide；Guide pad can also be set on the outside of sliding block 32, be arranged on the inside of handle 31 corresponding
Guide rail, it is also possible that sliding block 32 can in slideway 311 linear slide.
Refering to Fig. 5, the 311 glide direction both ends of slideway are provided with position limiting structure, and sliding block 32 is avoided to be detached from slideway 311.
The position limiting structure can be set to 311 one end of slideway barrier structure and the cover board 312 of 311 other end of slideway is set,
First spring 313 is connected between cover board 312 and sliding block 32.Barrier structure can be integrally formed with slideway 311, cover board
312 can use the modes such as be spirally connected, be clamped to connect with slideway 311, and preferably with the mode of clamping, the cover board 312 passes through card
Buckle structure is fixed on 311 one end of slideway, so that the installation of the first spring mounting rear cover plate 312 is more convenient.
Refering to Fig. 9, in order to enable contact of the contact chip with terminal is relatively reliable, elastic slice knot is provided on the contact chip 33
Elastic slice can be individually fixedly installed in structure 331 on contact chip 33, preferably open slot 332 on contact chip 33, outside through slot 332
The contact chip 33 of side can have certain elasticity, can be used as elastic piece structure, more square using this structure fabrication elastic piece structure
Just.Scheme as a further preference is provided with contact 21, the contact 21 and 33 contact surface of contact chip on the terminal 2
Section is set as the small structure of the contacts area such as triangle, semicircular arc, so that when contact chip is connect with terminal, contact surface
On pressure it is bigger, contact it is just more reliable.
It further include vocal structure 4 refering to Fig. 4 and Fig. 6, vocal structure 4 can produce sound when being mainly used as by pressuring press handle,
It can be switched and whether be pressed in place by voice recognition, auditory stimulation, such as the button switch of keyboard can also be brought to operator
Just there are these demands.The vocal structure 4 includes the bullet block 41 of lateral elasticity setting, and the handle 31 is laterally disposed protrusion
314, it the handle 31 pressing or bounces process protrusions 314 and can be contacted with bullet block 41, to be pressed in handle 31 or upwards
In springback process, bullet block 41 can cross protrusion 314 and collide sounding with 31 side wall of handle, realize vocal function.The bullet block 41
It can directly be resiliently arranged on pedestal 11, be arranged in tube-in-tube structure 43 preferably by second spring 42, by tube-in-tube structure 43
On the pedestal 11, such vocal structure 4 can independently make, and avoid 11 structure too complex of pedestal for setting, cause production inconvenient.
In addition, the bullet block 41, preferably with hoodle, hoodle smooth in appearance is hardly damaged 31 side wall of handle so that switch block more resistant to
With guaranteeing the service life of key switch.Hoodle hits 31 side wall of handle by the driving of second spring 42 or tube-in-tube structure 43 is sent out
Sound, since 31 side wall of handle is additionally provided with protrusion 314, second spring 42 at a distance from the side wall of handle 31 and protrusion on flexible hit
Percussive sound, bigger than the handle of general key switch shock pedestal phonation volume, effect is more preferable when being used as the button switches such as keyboard.
Refering to Fig. 4, the upper casing 12 and pedestal 11 can be integrally fixed using the Nian Jie, forms such as be spirally connected, and preferably be adopted
With the mode of clamping, installation is more convenient.11 bottom of pedestal is additionally provided with drainage hole 111, and in surprisingly water inlet, switch can be with
Auto-drainage avoids water that from can not clearing up damage switch internal structure.
Obviously, the above embodiment of the present invention be only to clearly illustrate example of the present invention, and not be pair
The restriction of embodiments of the present invention.For those of ordinary skill in the art, may be used also on the basis of the above description
To make other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.It is all this
Made any modifications, equivalent replacements, and improvements etc., should be included in the claims in the present invention within the spirit and principle of invention
Protection scope within.
Claims (10)
1. a kind of key switch, it is characterised in that: including shell (1), on-off control assembly (3) and at least two terminals (2), respectively
The terminal (2) is fixed on shell (1)；The on-off control assembly (3) includes handle (31), sliding block (32) and contact
Piece (33), the handle (31) are resiliently arranged on shell (1), and the sliding block (32) is resiliently arranged on handle (31), described
Contact chip (33) is fixed on sliding block (32)；It can be by contact chip (33) and each termination contact by pressing pressuring press handle (31)
It realizes the electrical communication between terminal, or contact chip (33) is separated to electrically disconnecting between realizing terminal with each terminal.
2. key switch according to claim 1, it is characterised in that: be provided with slideway (311), institute on the handle (31)
It states sliding block (32) to be slidably arranged in slideway (311), slideway (311) the glide direction both ends are provided with position limiting structure.
3. key switch according to claim 2, it is characterised in that: the position limiting structure is to be arranged in slideway (311) one
The barrier structure at end and setting connect between the cover board (312) and sliding block (32) in the cover board (312) of slideway (311) other end
It is connected to the first spring (313).
4. key switch according to claim 3, it is characterised in that: the cover board (312) is fixed on by buckle structure
Slideway (311) one end.
5. key switch according to claim 1, it is characterised in that: be provided with elastic piece structure on the contact chip (33)
(331).
6. key switch according to claim 5, it is characterised in that: it is provided with contact (21) on the terminal (2), it is described
Contact (21) and the section of contact chip (33) contact surface are triangle or semicircular arc.
7. described in any item key switches according to claim 1 ~ 6, it is characterised in that: further include vocal structure (4), the hair
Acoustic form (4) includes the bullet block (41) of lateral elasticity setting, and the handle (31) is laterally disposed raised (314), the handle
(31) pressing or bouncing process protrusions (314) can contact with bullet block (41).
8. key switch according to claim 7, it is characterised in that: the bullet block (41) is hoodle, and the hoodle passes through
Second spring (42) is resiliently arranged on shell (1).
9. key switch according to claim 7, it is characterised in that: the shell (1) includes pedestal (11) and upper casing
(12), the upper casing (12) and pedestal (11) are clamped.
10. key switch according to claim 9, it is characterised in that: pedestal (11) bottom is additionally provided with drainage hole
(111).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910036499.4A CN109524264A (en) | 2019-01-15 | 2019-01-15 | A kind of key switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910036499.4A CN109524264A (en) | 2019-01-15 | 2019-01-15 | A kind of key switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109524264A true CN109524264A (en) | 2019-03-26 |
Family
ID=65798930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910036499.4A Pending CN109524264A (en) | 2019-01-15 | 2019-01-15 | A kind of key switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109524264A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203883261U (en) * | 2014-03-18 | 2014-10-15 | 浙江贝尔佳电子有限公司 | Socket key switch and extension socket employing key switch |
| CN204189679U (en) * | 2014-09-05 | 2015-03-04 | 东莞市鑫钻电子科技有限公司 | A kind of keyboard switch |
| CN105914075A (en) * | 2016-06-24 | 2016-08-31 | 深圳市煌兆铭科技有限公司 | Photoelectric keyboard switch and mechanical keyboard |
| WO2016169523A1 (en) * | 2015-04-23 | 2016-10-27 | 余正明 | Keyboard switch capable of being downwards pressed in balanced manner |
| CN205900399U (en) * | 2016-06-22 | 2017-01-18 | 李荣书 | Cushion durable type keyboard button structure |
| TWM554219U (en) * | 2017-10-02 | 2018-01-11 | Cooler Master Shanghai Technology Co Ltd | Key structure of keyboard |
| CN209133395U (en) * | 2019-01-15 | 2019-07-19 | 惠州市弘宝电器有限公司 | A kind of key switch |
-
2019
- 2019-01-15 CN CN201910036499.4A patent/CN109524264A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203883261U (en) * | 2014-03-18 | 2014-10-15 | 浙江贝尔佳电子有限公司 | Socket key switch and extension socket employing key switch |
| CN204189679U (en) * | 2014-09-05 | 2015-03-04 | 东莞市鑫钻电子科技有限公司 | A kind of keyboard switch |
| WO2016169523A1 (en) * | 2015-04-23 | 2016-10-27 | 余正明 | Keyboard switch capable of being downwards pressed in balanced manner |
| CN205900399U (en) * | 2016-06-22 | 2017-01-18 | 李荣书 | Cushion durable type keyboard button structure |
| CN105914075A (en) * | 2016-06-24 | 2016-08-31 | 深圳市煌兆铭科技有限公司 | Photoelectric keyboard switch and mechanical keyboard |
| TWM554219U (en) * | 2017-10-02 | 2018-01-11 | Cooler Master Shanghai Technology Co Ltd | Key structure of keyboard |
| CN209133395U (en) * | 2019-01-15 | 2019-07-19 | 惠州市弘宝电器有限公司 | A kind of key switch |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20190909 Address after: 516199 Lion Ball Ridge, Zhoujianling, Jimadi Village, Luoyang Town, Boluo County, Huizhou City, Guangdong Province Applicant after: Boluo County Luoyang Town Yucheng Electronics Factory Address before: 516255 Shuikou Street Office, Huicheng District, Huizhou City, Guangdong Province, on the right side of the second floor of No. 5 Tungsheng East Road (Factory B) Applicant before: Hong Bao Electrical Appliances Co., Ltd of Huizhou City |
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| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 516199 Luo Yang Jie Dao Ji Ma Di Cun Zhou Jian Ling Shi Qiu Ling, BOLUO County, Huizhou City, Guangdong Province Applicant after: Huizhou Yucheng Electronic Co., Ltd Address before: 516199 Lion Ball Ridge, Zhoujianling, Jimadi Village, Luoyang Town, Boluo County, Huizhou City, Guangdong Province Applicant before: Boluo County Luoyang Town Yucheng Electronics Factory |