CN206412271U - A kind of long-life corrosion resisting alloy snap-domes - Google Patents
A kind of long-life corrosion resisting alloy snap-domes Download PDFInfo
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- CN206412271U CN206412271U CN201621467834.4U CN201621467834U CN206412271U CN 206412271 U CN206412271 U CN 206412271U CN 201621467834 U CN201621467834 U CN 201621467834U CN 206412271 U CN206412271 U CN 206412271U
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- shell fragment
- alloy shell
- alloy
- circular groove
- groove hole
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Abstract
The utility model discloses a kind of long-life corrosion resisting alloy snap-domes, including being covered on button, alloy shell fragment and button lower cover, lid is provided with arc rubber mat on button, the top of arc rubber mat is provided with upper lid rubbery flat gasket, upper lid rubbery flat gasket is followed closely provided with abrasive rubber, the bottom of arc rubber mat is provided with upper lid rotating female screw, alloy shell fragment is provided with the first alloy shell fragment, the side of first alloy shell fragment is provided with the second alloy shell fragment, the side of second alloy shell fragment is provided with the 3rd alloy shell fragment, the side of 3rd alloy shell fragment is provided with the 4th alloy shell fragment, the top of alloy shell fragment is provided with alloy shell fragment centered cylinder, circular groove hole is fixed in one end of alloy shell fragment provided with first, the other end of alloy shell fragment fixes circular groove hole provided with the 3rd, circular groove hole is fixed in first side for fixing circular groove hole provided with the 4th.The device improves the service life of snap-domes, reduces and changes number of times, brings conveniently.
Description
Technical field
The utility model is related to a kind of snap-domes, and in particular to a kind of long-life corrosion resisting alloy snap-domes.
Background technology
Key spring plate is commonly called as metal dome again, using ultra-thin（0.05mm-0.1mm thickness）(general hardness is higher with super thick）
The material of stainless steel 301 or 304 is made.Key spring plate is an important part on switch.Key spring plate master
To be applied in thin film switch, dome pieces contact-making switch, pcb board, FPC plates, the product such as medicine equipment.The work of key spring plate is former
Reason：Key spring plate on film key is located at the conducting position on pcb board and (is predominantly located in above the golden finger on wiring board）,
When depressed, the central point of shell fragment is recessed, touches the circuit on PCB, so as to form loop, electric current passes through, whole production
Product are just able to normal work.Generally conventional key spring plate, is divided into according to its different shape：Circular metal shell fragment, cross gold
Belong to shell fragment, triangle metal shell fragment, oval metal shell fragment.Diameter is from 3mm to 20mm, and dynamics is from 100g to 600gf.
Being handled according to electroplating surface can also be divided into：Gold-plated, nickel plating, silver-plated, bright face etc..There are two kinds of one-side electroplating and two-sided plating.But
Existing button service life is not long, and the shell fragment of the inside, which gets rusty easily, causes circuit obstructed, also has some shell fragments to lose recessed
The elasticity of bounce-back, causes to press down a kind of just state in connection, it is difficult to disconnect, service life is low, brings not side
Just, and change increase cost also make troubles.
Utility model content
The purpose of this utility model is that provides a kind of long-life corrosion resisting alloy shell fragment to solve the above problems
Button, so as to solve the above problems.
In order to solve the above-mentioned technical problem, the utility model provides following technical scheme：
The utility model provide a kind of long-life corrosion resisting alloy snap-domes, including on button lid, alloy shell fragment and
Lid is provided with arc rubber mat on button lower cover, the button, and the top of the arc rubber mat is flat provided with upper lid rubber
Pad, the upper lid rubbery flat gasket is followed closely provided with abrasive rubber, and the bottom of the arc rubber mat is provided with upper lid rotating female screw,
The alloy shell fragment is provided with the first alloy shell fragment, and the side of the first alloy shell fragment is provided with the second alloy shell fragment, and described the
The side of two alloy shell fragments is provided with the 3rd alloy shell fragment, and the side of the 3rd alloy shell fragment is provided with the 4th alloy shell fragment, described
The top of alloy shell fragment is provided with alloy shell fragment centered cylinder, and circular groove hole is fixed in one end of the alloy shell fragment provided with first,
The other end of the alloy shell fragment fixes circular groove hole provided with the 3rd, and described first fixes the side in circular groove hole provided with the
Four fix circular groove hole, and circular groove hole, the button are fixed in the described 4th side for fixing circular groove hole provided with second
Lower lid is provided with lower cover rotating external threads, and the bottom of the button lower cover is provided with stainless steel top cover, the bottom of the stainless steel top cover
End is provided with spring, and the bottom of the spring is provided with stainless steel base, and spring is fixed in the side of the stainless steel base provided with the 3rd
Post, the opposite side of the stainless steel base fixes spring stack provided with first, and the described first side for fixing spring stack is provided with second
Spring stack is fixed in fixed spring stack, the described second side for fixing spring stack provided with the 4th.
As a kind of optimal technical scheme of the present utility model, on the button lid by the upper lid rotating female screw and
The lower cover rotating external threads are connected with the button lower cover.
As a kind of optimal technical scheme of the present utility model, described first fixes circular groove hole fixes with described first
Spring stack is connected, and the second fixation circular groove hole is connected with the described second fixation spring stack, and the described 3rd fixes circular recessed
Slotted eye is connected with the described 3rd fixation spring stack, and the 4th fixation circular groove hole is connected with the described 4th fixation spring stack.
As a kind of optimal technical scheme of the present utility model, the alloy shell fragment centered cylinder is solid cylinder, described
The diameter of alloy shell fragment centered cylinder is more than the diameter of the stainless steel top cover.
As a kind of optimal technical scheme of the present utility model, the alloy shell fragment is made using erosion resistant titanium alloy, institute
Button lower cover is stated to be made using 304 stainless steels.
The beneficial effect that the utility model is reached is：The device is a kind of long-life corrosion resisting alloy snap-domes, should
Device improves the service life of snap-domes, and protection is got rusty and causes the phenomenon of loose contact, increases the recessed bounce-back of shell fragment
Elasticity, it is but also corrosion-resistant, will not corrosion alloy material, it is simple in construction so as to influence service life, it is convenient to promote.
Brief description of the drawings
Accompanying drawing is used for providing further understanding to of the present utility model, and constitutes a part for specification, with this practicality
New embodiment is used to explain the utility model together, does not constitute to limitation of the present utility model.In the accompanying drawings：
Fig. 1 is structural representation of the present utility model；
In figure：1st, covered on button；2nd, alloy shell fragment；3rd, button lower cover；4th, upper lid rubbery flat gasket；5th, abrasive rubber is followed closely；6、
Upper lid rotating female screw；7th, first circular groove hole is fixed；8th, the first alloy shell fragment；9th, alloy shell fragment centered cylinder；10th, second
Fixed circular groove hole；11st, the second alloy shell fragment；12nd, the 3rd circular groove hole is fixed；13rd, the 3rd alloy shell fragment；14th, the 4th
Fixed circular groove hole；15th, the 4th alloy shell fragment；16th, lower cover rotating external threads；17th, the 3rd spring stack is fixed；18th, spring；
19th, stainless steel base；20th, the 4th spring stack is fixed；21st, second spring stack is fixed；22nd, first spring stack is fixed；23rd, arc rubber
Glue mat；24th, stainless steel top cover.
Embodiment
Preferred embodiment of the present utility model is illustrated below in conjunction with accompanying drawing, it will be appreciated that described herein excellent
Select embodiment to be merely to illustrate and explain the utility model, be not used to limit the utility model.
Embodiment 1
As shown in figure 1, the utility model provides a kind of long-life corrosion resisting alloy snap-domes, including lid 1, conjunction on button
Lid 1 is provided with arc rubber mat 23 on golden shell fragment 2 and button lower cover 3, button, and the top of arc rubber mat 23 is provided with upper lid
Rubbery flat gasket 4, upper lid rubbery flat gasket 4 is provided with abrasive rubber nail 5, and the bottom of arc rubber mat 23 is provided with spiral shell in upper lid rotation
Line 6, alloy shell fragment 2 is provided with the first alloy shell fragment 8, and the side of the first alloy shell fragment 8 is provided with the second alloy shell fragment 11, and second closes
The side of golden shell fragment 11 is provided with the 3rd alloy shell fragment 13, and the side of the 3rd alloy shell fragment 13 is provided with the 4th alloy shell fragment 15, alloy
The top of shell fragment 2 is provided with alloy shell fragment centered cylinder 9, and circular groove hole 7, alloy are fixed in one end of alloy shell fragment 2 provided with first
The other end of shell fragment 2 fixes circular groove hole 12 provided with the 3rd, and circle is fixed in the first side for fixing circular groove hole 7 provided with the 4th
Circular groove hole 10 is fixed in connected in star hole 14, the 4th side for fixing circular groove hole 14 provided with second, and button lower cover 3 is provided with
Lower cover rotating external threads 16, the bottom of button lower cover 3 is provided with stainless steel top cover 24, and the bottom of stainless steel top cover 24 is provided with spring
18, the bottom of spring 18 is provided with stainless steel base 19, and spring stack 17, stainless steel are fixed in the side of stainless steel base 19 provided with the 3rd
The opposite side of base 19 fixes spring stack 22 provided with first, and spring stack is fixed in the first side for fixing spring stack 22 provided with second
21, spring stack 20 is fixed in the second side for fixing spring stack 21 provided with the 4th.
Lid 1 is connected by upper lid rotating female screw 6 and lower cover rotating external threads 16 with button lower cover 3 on button, by push-to
Cross on button and cover alloy shell fragment and be connected through a screw thread with button lower cover.
First fixation circular groove hole 7 is connected with the first fixation spring stack 22, and second fixes circular groove hole 10 and second
Fixed spring stack 21 is connected, and the 3rd fixation circular groove hole 12 is connected with the 3rd fixation spring stack 17, and the 4th fixes circular groove
Hole 14 is connected with the 4th fixation spring stack 20, is connected by setting spring groove on alloy shell fragment with the spring of lower cover bottom, increased
The elastic potential energy of bounce-back.
Alloy shell fragment centered cylinder 9 is solid cylinder, and the diameter of alloy shell fragment centered cylinder 9 is more than stainless steel top cover 24
Diameter, extrudes stainless steel top cover by solid cylinder, allows stainless steel top cover extrusion spring, so as to make spring a kind of to alloy shell fragment
The elastic potential energy of bounce-back.
Alloy shell fragment 2 is made using erosion resistant titanium alloy, and button lower cover 3 is made using 304 stainless steels, and increase uses the longevity
Life, is not in the phenomenon of loose contact.
The device is a kind of long-life corrosion resisting alloy snap-domes, and the device includes lid 1, the and of alloy shell fragment 2 on button
Lid 1 is pushed down alloy shell fragment 2 by arc rubber mat 23 and is connected with button lower cover 3 by screw thread on button lower cover 3, button, and
Button lower cover 3 fixes spring stack 22, second provided with first and fixes the fixation fixation bullet of spring stack 17 and the 4th of spring stack the 21, the 3rd
Spring post 20, and alloy shell fragment 2 fixes circular groove hole 7, second provided with first and fixes the fixation of circular groove hole the 10, the 3rd circle
Recess hole 12 and the 4th fixes circular groove hole 14, and the first fixation circular groove hole 7 is connected with the first fixation spring stack 22, the
Two fixation circular groove holes 10 are connected with the second fixation spring stack 21, and the 3rd, which fixes circular groove hole 12 and the 3rd, fixes spring stack
17 are connected, and the 4th fixation circular groove hole 14 is connected with the 4th fixation spring stack 20, by set on alloy shell fragment spring groove and
The spring of lower cover bottom is connected, and increases the elastic potential energy of bounce-back, and the bottom of button lower cover 3 is provided with stainless steel top cover 24, stainless
The bottom of steel top cover 24 is provided with spring 18, and the bottom of spring 18 is provided with stainless steel base 19, and the top of alloy shell fragment 2 is provided with alloy
Shell fragment centered cylinder 9, alloy shell fragment centered cylinder 9 is solid cylinder, and the diameter of alloy shell fragment centered cylinder 9 is more than stainless steel top
The diameter of lid 24, extrudes stainless steel top cover by solid cylinder, allows stainless steel top cover extrusion spring, so as to allow spring to give alloy bullet
A kind of elastic potential energy of bounce-back of piece, in use, by the upper lid rubbery flat gasket 4 on the top of arc rubber mat 23, pressing arc rubber
Glue mat 23 is recessed so as to extruded alloy shell fragment 2, the extruding extrusion spring 18 of stainless steel top cover 24 of alloy shell fragment 2, does not only turn on electricity
Source, and spring 18 gives a kind of elastic force of the bounce-back of alloy shell fragment 2, so that improving button bounce-back will not damage the life-span, and then improves
The service life of alloy snap-domes.
The beneficial effect that the utility model is reached is：The device is a kind of long-life corrosion resisting alloy snap-domes, should
Device improves the service life of snap-domes, and protection is got rusty and causes the phenomenon of loose contact, increases the recessed bounce-back of shell fragment
Elasticity, it is but also corrosion-resistant, will not corrosion alloy material, it is simple in construction so as to influence service life, it is convenient to promote.
Finally it should be noted that：Preferred embodiment of the present utility model is the foregoing is only, this is not limited to
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it can still modify to the technical scheme described in foregoing embodiments, or to which part technical characteristic
Carry out equivalent substitution.It is all it is of the present utility model spirit and principle within, any modification, equivalent substitution and improvements made etc.,
It should be included within protection domain of the present utility model.
Claims (5)
1. a kind of long-life corrosion resisting alloy snap-domes, including covered on button（1）, alloy shell fragment（2）With button lower cover（3）,
Characterized in that, being covered on the button（1）It is provided with arc rubber mat（23）, the arc rubber mat（23）Top set
There is upper lid rubbery flat gasket（4）, the upper lid rubbery flat gasket（4）Provided with abrasive rubber nail（5）, the arc rubber mat（23）
Bottom be provided with upper lid rotating female screw（6）, the alloy shell fragment（2）It is provided with the first alloy shell fragment（8）, first alloy
Shell fragment（8）Side be provided with the second alloy shell fragment（11）, the second alloy shell fragment（11）Side be provided with the 3rd alloy shell fragment
（13）, the 3rd alloy shell fragment（13）Side be provided with the 4th alloy shell fragment（15）, the alloy shell fragment（2）Top be provided with
Alloy shell fragment centered cylinder（9）, the alloy shell fragment（2）One end fix circular groove hole provided with first（7）, the alloy bullet
Piece（2）The other end fix circular groove hole provided with the 3rd（12）, described first fixes circular groove hole（7）Side provided with the
Four fix circular groove hole（14）, the described 4th fixes circular groove hole（14）Side fix circular groove hole provided with second
（10）, the button lower cover（3）It is provided with lower cover rotating external threads（16）, the button lower cover（3）Bottom be provided with stainless steel
Top cover（24）, the stainless steel top cover（24）Bottom be provided with spring（18）, the spring（18）Bottom be provided with stainless steel bottom
Seat（19）, the stainless steel base（19）Side provided with the 3rd fix spring stack（17）, the stainless steel base（19）It is another
Spring stack is fixed in side provided with first（22）, described first fixes spring stack（22）Side provided with second fix spring stack
（21）, described second fixes spring stack（21）Side provided with the 4th fix spring stack（20）.
2. a kind of long-life corrosion resisting alloy snap-domes according to claim 1, it is characterised in that covered on the button
（1）Pass through the upper lid rotating female screw（6）With the lower cover rotating external threads（16）With the button lower cover（3）It is connected.
3. a kind of long-life corrosion resisting alloy snap-domes according to claim 1, it is characterised in that described first fixes
Circular groove hole（7）Spring stack is fixed with described first（22）It is connected, described second fixes circular groove hole（10）With described
Two fix spring stack（21）It is connected, the described 3rd fixes circular groove hole（12）Spring stack is fixed with the described 3rd（17）It is connected,
Described 4th fixes circular groove hole（14）Spring stack is fixed with the described 4th（20）It is connected.
4. a kind of long-life corrosion resisting alloy snap-domes according to claim 1, it is characterised in that the alloy shell fragment
Centered cylinder（9）For solid cylinder, the alloy shell fragment centered cylinder（9）Diameter be more than the stainless steel top cover（24）It is straight
Footpath.
5. a kind of long-life corrosion resisting alloy snap-domes according to claim 1, it is characterised in that the alloy shell fragment
（2）It is made using erosion resistant titanium alloy, the button lower cover（3）It is made using 304 stainless steels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621467834.4U CN206412271U (en) | 2016-12-29 | 2016-12-29 | A kind of long-life corrosion resisting alloy snap-domes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621467834.4U CN206412271U (en) | 2016-12-29 | 2016-12-29 | A kind of long-life corrosion resisting alloy snap-domes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206412271U true CN206412271U (en) | 2017-08-15 |
Family
ID=59552685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621467834.4U Expired - Fee Related CN206412271U (en) | 2016-12-29 | 2016-12-29 | A kind of long-life corrosion resisting alloy snap-domes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206412271U (en) |
-
2016
- 2016-12-29 CN CN201621467834.4U patent/CN206412271U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170815 Termination date: 20181229 |