CN206877883U - A kind of thin film switch - Google Patents
A kind of thin film switch Download PDFInfo
- Publication number
- CN206877883U CN206877883U CN201720866056.4U CN201720866056U CN206877883U CN 206877883 U CN206877883 U CN 206877883U CN 201720866056 U CN201720866056 U CN 201720866056U CN 206877883 U CN206877883 U CN 206877883U
- Authority
- CN
- China
- Prior art keywords
- thin film
- circuit layer
- film switch
- metallic conduction
- conduction piece
- 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 thin film switch, including thin film switch main body, the top of thin film switch main body is connected with elastic component, one end of elastic component is connected with keycap, the inside middle portion of keycap is provided with top, the bottom of thin film switch main body is provided with protective layer, the inside of thin film switch main body is provided with upper circuit layer and lower circuit layer, wall is provided between upper circuit layer and lower circuit layer, through hole is offered in the middle part of wall, the inside middle portion of upper circuit layer is provided with the first metallic conduction piece, the inside middle portion of lower circuit layer is provided with the second metallic conduction piece corresponding with the first metallic conduction piece.The utility model is reasonable in design, good practical effect, there is good waterproof effect, a sealing inner chamber is formed between upper circuit layer, lower circuit layer, the first Waterproof glue line and the second Waterproof glue line, so that metallic conduction piece is operated in the cavity of a sealing, there is good waterproof effect.
Description
Technical field
The utility model belongs to electric switch technical field, specially a kind of thin film switch.
Background technology
Thin film switch has the advantages that small volume with it, in light weight, simple to operate, production cost is low, service life is long,
It is each to be widely used in intelligent electronic instrument, Medical Instruments, Digit Control Machine Tool, communication apparatus, office appliance, household electrical appliances, computor-keyboard etc.
In class product, still, existing thin film switch is not fine also there is certain deficiency, water proof and dust proof effect, is made for a long time
During, the moisture in air can enter the inside of electronic membrane switch, it is easy in being internally formed for thin film switch
Oxidation, can cause the button of thin film switch ineffective, reduce the service life of thin film switch, using effect is bad.
Utility model content
To solve the defects of thin film switch waterproof effect difference existing for prior art, the utility model provides a kind of film and opened
Close.
In order to solve the above-mentioned technical problem, the utility model provides following technical scheme：
A kind of thin film switch of the utility model, including thin film switch main body, the top of the thin film switch main body are connected with
Elastic component, one end of the elastic component are connected with keycap, and the inside middle portion of the keycap is provided with top, the thin film switch master
The bottom of body is provided with protective layer, and the inside of the thin film switch main body is provided with upper circuit layer and lower circuit layer, the upper circuit layer
Wall is provided between lower circuit layer, through hole is offered in the middle part of the wall, the inside middle portion of the upper circuit layer is set
There is the first metallic conduction piece, the inside middle portion of the lower circuit layer is led provided with the second metal corresponding with the first metallic conduction piece
Electric piece, the first Waterproof glue line is provided between the wall and upper circuit layer, the is provided between the wall and lower circuit layer
Two Waterproof glue lines, the inner side of first Waterproof glue line and the second Waterproof glue line are provided with waterproof coating, first Waterproof glue line
Dry particle is filled with the inside of the second Waterproof glue line.
As a kind of optimal technical scheme of the present utility model, the elastic component and the junction of thin film switch main body are provided with
Sealing ring.
As a kind of optimal technical scheme of the present utility model, the first metallic conduction piece, the second metallic conduction piece and
Through hole is equipped with four, and equidistantly distributed between the first metallic conduction piece, the second metallic conduction piece and through hole.
As a kind of optimal technical scheme of the present utility model, the first metallic conduction piece and the second metallic conduction piece are equal
For semicircle shape structure.
As a kind of optimal technical scheme of the present utility model, the first metallic conduction piece and the second metallic conduction piece it
Between be respectively connected with insulating spacer.
As a kind of optimal technical scheme of the present utility model, the upper circuit layer, lower circuit layer, the first Waterproof glue line and
A sealing inner chamber is formed between second Waterproof glue line.
The beneficial effects of the utility model are：The utility model is reasonable in design, good practical effect, has anti-well
Water effect, a sealing inner chamber is formed between upper circuit layer, lower circuit layer, the first Waterproof glue line and the second Waterproof glue line so that
Metallic conduction piece is operated in the cavity of a sealing, has a good waterproof effect, and the first Waterproof glue line and the
The inner side of two Waterproof glue lines is provided with waterproof coating, in the inside of the first Waterproof glue line and the second Waterproof glue line filled with dry
Grain, there is the effect of water suction, improve film and open the waterproof effect for hanging main body, the first Waterproof glue line and the second Waterproof glue line are poly-
Urethane resin class material, has a very strong hydrophobic effect, and waterproof effect is notable.
Brief description of the drawings
Accompanying drawing is used for providing further understanding to of the present utility model, and a part for constitution instruction, with this practicality
New embodiment is used to explain the utility model together, does not form to limitation of the present utility model.In the accompanying drawings：
Fig. 1 is a kind of structural representation of thin film switch of the utility model；
Fig. 2 is a kind of partial structural diagram of thin film switch of the utility model；
Fig. 3 is a kind of Waterproof glue line structural representation of thin film switch of the utility model.
In figure：1st, thin film switch main body；2nd, wall；3rd, the first metallic conduction piece；4th, keycap；5th, top；6th, it is elastic
Part；7th, sealing ring；8th, upper circuit layer；9th, the first Waterproof glue line；10th, the second Waterproof glue line；11st, dry particle；12nd, the second metal
Conducting strip；13rd, protective layer；14th, insulating spacer；15th, lower circuit layer；16th, through hole；17th, waterproof coating.
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：As Figure 1-3, a kind of thin film switch of the utility model, including thin film switch main body 1, its feature exist
In the top of thin film switch main body 1 is connected with elastic component 6, and one end of elastic component 6 is connected with keycap 4, the inside middle portion of keycap 4
Provided with top 5, the bottom of thin film switch main body 1 is provided with protective layer 13, and the inside of thin film switch main body 1 is provided with upper circuit layer 8
With lower circuit layer 15, wall 2 is provided between upper circuit layer 8 and lower circuit layer 15, the middle part of wall 2 offers through hole 16,
The inside middle portion of upper circuit layer 8 is provided with the first metallic conduction piece 3, and the inside middle portion of lower circuit layer 15 is provided with and the first metallic conduction
The second corresponding metallic conduction piece 12 of piece 3, is provided with the first Waterproof glue line 9 between wall 2 and upper circuit layer 8, wall 2 with
It is provided with the second Waterproof glue line 10 between lower circuit layer 15, the inner side of the first Waterproof glue line 9 and the second Waterproof glue line 10 is provided with waterproof
The inside of coating 17, the first Waterproof glue line 9 and the second Waterproof glue line 10 is filled with dry particle 11.
Further, elastic component 6 and the junction of thin film switch main body 1 are provided with sealing ring 7, increase the effect of sealing.
Further, the first metallic conduction piece 3, the second metallic conduction piece 12 and through hole 16 are equipped with four, and the first metal
Equidistantly distributed between conducting strip 3, the second metallic conduction piece 12 and through hole 16.
Further, the first metallic conduction piece 3 and the second metallic conduction piece 12 are semicircle shape structure.
Further, it is respectively connected with insulating spacer 14 between the first metallic conduction piece 3 and the second metallic conduction piece 12 so that gold
Will not be powered interference between category conducting strip, increase the security used.
Further, one is formed between upper circuit layer 8, lower circuit layer 15, the first Waterproof glue line 9 and the second Waterproof glue line 10
Inner chamber is sealed, improves the effect of interior waterproof.
Specifically, during use, by keycap 4, in the presence of elastic component 6, the top at the middle part of keycap 4
5 are pressed on circuit layer 8 so that the first metallic conduction piece 3 on upper circuit layer 8 is through the through hole 16 on wall 2 with
The second metallic conduction piece 12 on circuit layer 15 is in contact, so as to complete the use process of thin film switch, upper circuit layer 8 and
The first Waterproof glue line 9 is provided between interlayer 2, the second Waterproof glue line 10, upper circuit are provided between lower circuit layer 15 and wall 2
A sealing inner chamber is formed between layer 8, lower circuit layer 15, the first Waterproof glue line 9 and the second Waterproof glue line 10, can effectively be kept away
Exempt from the inside that the moisture in air enters thin film switch, set on the inner side of the first Waterproof glue line 9 and the second Waterproof glue line 10
There is waterproof coating 17, increase the effect of waterproof, and the dry particle 11 inside the first Waterproof glue line 9 and the second Waterproof glue line 10
There is water suction, improve practical function effect.
Finally it should be noted that：Preferred embodiment of the present utility model is the foregoing is only, is not limited to this
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.All any modification, equivalent substitution and improvements within the spirit and principles of the utility model, made etc.,
It should be included within the scope of protection of the utility model.
Claims (6)
1. a kind of thin film switch, including thin film switch main body (1), it is characterised in that the top of the thin film switch main body (1) connects
Elastic component (6) is connected to, one end of the elastic component (6) is connected with keycap (4), and the inside middle portion of the keycap (4), which is provided with, to be supported
Portion (5), the bottom of the thin film switch main body (1) are provided with protective layer (13), and the inside of the thin film switch main body (1) is provided with upper
Circuit layer (8) and lower circuit layer (15), wall (2) is provided between the upper circuit layer (8) and lower circuit layer (15), between described
Through hole (16) is offered in the middle part of interlayer (2), the inside middle portion of the upper circuit layer (8) is provided with the first metallic conduction piece (3), institute
The inside middle portion for stating lower circuit layer (15) is provided with the second metallic conduction piece (12) corresponding with the first metallic conduction piece (3), institute
State and the first Waterproof glue line (9) be provided between wall (2) and upper circuit layer (8), the wall (2) and lower circuit layer (15) it
Between be provided with the second Waterproof glue line (10), the inner side of first Waterproof glue line (9) and the second Waterproof glue line (10) applies provided with waterproof
The inside of layer (17), first Waterproof glue line (9) and the second Waterproof glue line (10) is filled with dry particle (11).
2. a kind of thin film switch according to claim 1, it is characterised in that the elastic component (6) and thin film switch main body
(1) junction is provided with sealing ring (7).
3. a kind of thin film switch according to claim 1, it is characterised in that the first metallic conduction piece (3), the second gold medal
Category conducting strip (12) and through hole (16) are equipped with four, and the first metallic conduction piece (3), the second metallic conduction piece (12) and through hole
(16) equidistantly distributed between.
A kind of 4. thin film switch according to claim 1, it is characterised in that the first metallic conduction piece (3) and second
Metallic conduction piece (12) is semicircle shape structure.
5. a kind of thin film switch according to claim 1, it is characterised in that the first metallic conduction piece (3) and second
Insulating spacer (14) is respectively connected between metallic conduction piece (12).
6. a kind of thin film switch according to claim 1, it is characterised in that the upper circuit layer (8), lower circuit layer
(15) a sealing inner chamber, is formed between the first Waterproof glue line (9) and the second Waterproof glue line (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720866056.4U CN206877883U (en) | 2017-07-17 | 2017-07-17 | A kind of thin film switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720866056.4U CN206877883U (en) | 2017-07-17 | 2017-07-17 | A kind of thin film switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206877883U true CN206877883U (en) | 2018-01-12 |
Family
ID=61330541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720866056.4U Expired - Fee Related CN206877883U (en) | 2017-07-17 | 2017-07-17 | A kind of thin film switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206877883U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111341584A (en) * | 2018-12-18 | 2020-06-26 | 群光电子(苏州)有限公司 | Keyboard device |
| CN112635221A (en) * | 2020-05-07 | 2021-04-09 | 光宝电子(广州)有限公司 | Waterproof pressing structure and thin film switch circuit board applying same |
| WO2023015800A1 (en) * | 2021-08-11 | 2023-02-16 | 昆山兴协和科技股份有限公司 | Membrane switch |
-
2017
- 2017-07-17 CN CN201720866056.4U patent/CN206877883U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111341584A (en) * | 2018-12-18 | 2020-06-26 | 群光电子(苏州)有限公司 | Keyboard device |
| CN111341584B (en) * | 2018-12-18 | 2022-02-25 | 群光电子(苏州)有限公司 | Keyboard device |
| CN112635221A (en) * | 2020-05-07 | 2021-04-09 | 光宝电子(广州)有限公司 | Waterproof pressing structure and thin film switch circuit board applying same |
| WO2023015800A1 (en) * | 2021-08-11 | 2023-02-16 | 昆山兴协和科技股份有限公司 | Membrane switch |
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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: 20180112 Termination date: 20180717 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |