CN207909760U - A kind of normally closed key switch - Google Patents
A kind of normally closed key switch Download PDFInfo
- Publication number
- CN207909760U CN207909760U CN201820216882.9U CN201820216882U CN207909760U CN 207909760 U CN207909760 U CN 207909760U CN 201820216882 U CN201820216882 U CN 201820216882U CN 207909760 U CN207909760 U CN 207909760U
- Authority
- CN
- China
- Prior art keywords
- shell
- movable plate
- pedestal
- spring
- shaft core
- 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 - Fee Related
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Abstract
The utility model discloses a kind of normally closed key switches, it is desirable to provide a kind of reasonable design, normally closed key switch simple in structure, easy to assembly.The utility model includes pedestal and the shell that is connect with the base engagement, both sides between the pedestal and the shell are provided with pin, and the inside of the pedestal and the shell is disposed with movable plate spring, the spring pocket for being set in the movable plate spring upper end, the movable plate being set on the spring pocket, the shaft core spring being set on the spring pocket, is set in the shaft core spring upper end and the shaft core being slidably matched with the shell and the button for being set in the shaft core upper end and being slidably matched with the shell from top to bottom.The utility model is applied to the technical field of electronic component.
Description
Technical field
The utility model is related to the technical field of electronic component, more particularly to a kind of normally closed key switch.
Background technology
Key switch is a kind of electronic switch, belongs to electronic component class, appears in Japan earliest and [is referred to as：Responsive type
Switch], it is closed to switching manipulation pressuring direction switching function with to meet the condition of operating force when use and is connected, when cancelling pressure
Switch disconnects, and internal structure is changed by metal clips stress to realize break-make.
Key switch has the advantage of small contact resistance lotus, accurate operating force error, multi-size etc., in electronics
Equipment and household electrical appliances etc. be widely used as：Video and audio product, digital product, remote controler, communication product, household electrical appliance,
Security product, toy, computer product, fitness equipment, medical equipment, pen-type testing device for paper money, Laser pen button etc..
In the production process of key switch, last switch assembling is typically all to pass through manually to be assembled, still,
It is in the prior art switch facilitate in structure design it is more complicated, and because volume of switch it is smaller, this just increases greatly
The difficulty for closing assembling is increased, causes processing efficiency low, while increasing cost of labor, increases the labor intensity of worker.
Utility model content
Technical problem to be solved in the utility model be overcome the deficiencies of the prior art and provide a kind of reasonable design,
Normally closed key switch simple in structure, easy to assembly.
Technical solution used by the utility model is：The utility model includes pedestal and is connect with the base engagement
Shell, the both sides between the pedestal and the shell are provided with pin, and the inside of the pedestal and the shell is from top to bottom
It is disposed with movable plate spring, the spring pocket for being set in the movable plate spring upper end, the movable plate being set on the spring pocket, set
The shaft core spring that is located on the spring pocket, the shaft core for being set in the shaft core spring upper end and being slidably matched with the shell and
The button for being set in the shaft core upper end and being slidably matched with the shell.
Further, terminal silver nail is provided on the pin, the both sides of the movable plate are provided with follows closely with the terminal silver
Matched movable plate silver nail, the movable plate silver nail are located at the underface of terminal silver nail.
Further, movable plate spring retention posts compatible with the movable plate spring are provided in the middle part of the pedestal.
Further, location hole is offered on the pin, is provided on the shell compatible with the location hole
Pin positioning column.
Further, it is provided with fixture block on the outside of the pedestal, is provided on the shell compatible with the fixture block
Card hole, the pedestal are connected with the shell by the fixture block and the card hole.
The utility model has the beneficial effects that：Include pedestal due to the utility model and is connect with the base engagement outer
Shell, the both sides between the pedestal and the shell are provided with pin, the inside of the pedestal and the shell from top to bottom according to
The secondary spring pocket for being provided with movable plate spring, being set in the movable plate spring upper end, is arranged the movable plate being set on the spring pocket
Shaft core spring on the spring pocket, the shaft core and set for being set in the shaft core spring upper end and being slidably matched with the shell
The button for being located at the shaft core upper end and being slidably matched with the shell, so, the utility model is designed reasonably, it is simple in structure,
It is easy to assembly.
Description of the drawings
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the overall structure exploded perspective view of the utility model；
Fig. 3 is the overall structure schematic cross-sectional view of the utility model.
Specific implementation mode
As shown in figures 1 and 3, in the present embodiment, the utility model includes pedestal 1 and is connected with the pedestal 1
Shell 2, the both sides between the pedestal 1 and the shell 2 are provided with pin 3, the inside of the pedestal 1 and the shell 2
It is disposed with movable plate spring 4 from top to bottom, the spring pocket 5 for being set in 4 upper end of movable plate spring, is set in the spring pocket
Movable plate 6 on 5, the shaft core spring 7 being set on the spring pocket 5, be set in 7 upper end of shaft core spring and with the shell
2 shaft cores 8 being slidably matched and the button 9 for being set in 8 upper end of the shaft core and being slidably matched with the shell 2.In this design,
When not pressing the button 9, the movable plate 4 is contacted with the pin 3, and on off state is closed state, so switch
Normality be closed；By pressing the button 9, the shaft core 8 is driven to move downward, to drive the movable plate 4 downward
Movement, to make the movable plate 4 be separated with the pin 3, the outside of the shaft core 4 is provided with convex block, the inside of the shell 2
It is provided with card slot compatible with the convex block, is clamped by the convex block and the card slot, under the button 9 can be made to keep
Pressure condition, to make switch maintain a normally open state.
In the present embodiment, be provided with terminal silver nail 31 on the pin 3, the both sides of the movable plate 6 be provided with it is described
31 matched movable plate silver nail 61 of terminal silver nail, the movable plate silver nail 61 are located at the underface of terminal silver nail 31.This design
In, it is in contact with movable plate silver nail 61 by terminal silver nail 31, to realize switch on and off, improves the sensitive of switch
Degree.
In the present embodiment, the middle part of the pedestal 1 is provided with movable plate spring positioning compatible with the movable plate spring 4
The installation that the movable plate spring retention posts 11 facilitate the movable plate spring 4 is arranged in column 11.
In the present embodiment, location hole 32 is offered on the pin 3, is provided on the shell 2 and the location hole
32 compatible pin positioning columns 21.In this design, matched with the pin positioning column 12 by the location hole 32 come pair
The pin 3 carries out installation positioning, the pin 3 is clamped finally by the shell 2 and the pedestal 1, to permanent domicile
State pin 3.
In the present embodiment, the outside of the pedestal 1 is provided with fixture block 12, is provided on the shell 2 and the fixture block
12 compatible card holes 22, the pedestal 1 are connected with the shell 2 by the fixture block 12 and the card hole 22.This sets
In meter, the shell 2 and the pedestal 1, the dismounting of Convenient switch are connected using the connection type of buckle.
The utility model is applied to the technical field of electronic component.
Although the embodiments of the present invention are described with practical solution, does not constitute the utility model is contained
Justice limitation, for those skilled in the art, according to this specification to the modification of its embodiment and with the group of other schemes
Conjunction will be apparent from.
Claims (5)
1. a kind of normally closed key switch, it is characterised in that：It includes pedestal（1）And with the pedestal（1）What is be connected is outer
Shell（2）, the pedestal（1）With the shell（2）Between both sides be provided with pin（3）, the pedestal（1）With the shell
（2）Inside be disposed with movable plate spring from top to bottom（4）, be set in the movable plate spring（4）The spring pocket of upper end（5）、
It is set in the spring pocket（5）On movable plate（6）, be set in the spring pocket（5）On shaft core spring（7）, be set in it is described
Shaft core spring（7）Upper end and with the shell（2）The shaft core being slidably matched（8）And it is set in the shaft core（8）Upper end and with institute
State shell（2）The button being slidably matched（9）.
2. a kind of normally closed key switch according to claim 1, it is characterised in that：The pin（3）On be provided with end
Sub- silver nail（31）, the movable plate（6）Both sides be provided with and the terminal silver follow closely（31）Matched movable plate silver nail（61）, described
Movable plate silver is followed closely（61）It is followed closely positioned at the terminal silver（31）Underface.
3. a kind of normally closed key switch according to claim 1, it is characterised in that：The pedestal（1）Middle part setting
Have and the movable plate spring（4）Compatible movable plate spring retention posts（11）.
4. a kind of normally closed key switch according to claim 1, it is characterised in that：The pin（3）On offer it is fixed
Position hole（32）, the shell（2）On be provided with and the location hole（32）Compatible pin positioning column（21）.
5. a kind of normally closed key switch according to claim 1, it is characterised in that：The pedestal（1）Outside setting
There is fixture block（12）, the shell（2）On be provided with and the fixture block（12）Compatible card hole（22）, the pedestal（1）With institute
State shell（2）Pass through the fixture block（12）And the card hole（22）It is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820216882.9U CN207909760U (en) | 2018-02-07 | 2018-02-07 | A kind of normally closed key switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820216882.9U CN207909760U (en) | 2018-02-07 | 2018-02-07 | A kind of normally closed key switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207909760U true CN207909760U (en) | 2018-09-25 |
Family
ID=63563592
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820216882.9U Expired - Fee Related CN207909760U (en) | 2018-02-07 | 2018-02-07 | A kind of normally closed key switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207909760U (en) |
-
2018
- 2018-02-07 CN CN201820216882.9U patent/CN207909760U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180925 Termination date: 20200207 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |