CN210349647U - High leakproofness membrane switch - Google Patents
High leakproofness membrane switch Download PDFInfo
- Publication number
- CN210349647U CN210349647U CN201921684432.3U CN201921684432U CN210349647U CN 210349647 U CN210349647 U CN 210349647U CN 201921684432 U CN201921684432 U CN 201921684432U CN 210349647 U CN210349647 U CN 210349647U
- Authority
- CN
- China
- Prior art keywords
- layer
- membrane switch
- switch body
- sheet
- thickness
- 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
Links
- 239000012528 membrane Substances 0.000 title claims abstract description 51
- 241000446313 Lamella Species 0.000 claims abstract description 14
- 239000003292 glue Substances 0.000 claims abstract description 13
- 239000010410 layer Substances 0.000 claims description 100
- 239000010408 film Substances 0.000 claims description 10
- 239000011229 interlayer Substances 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 7
- 239000000565 sealant Substances 0.000 claims description 5
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 3
- 229910052709 silver Inorganic materials 0.000 claims description 3
- 239000004332 silver Substances 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 claims description 2
- 230000001070 adhesive effect Effects 0.000 claims description 2
- 239000010409 thin film Substances 0.000 claims description 2
- 239000004677 Nylon Substances 0.000 claims 1
- 229920001778 nylon Polymers 0.000 claims 1
- 150000001875 compounds Chemical class 0.000 abstract description 6
- 238000004026 adhesive bonding Methods 0.000 abstract description 5
- 239000000428 dust Substances 0.000 abstract description 5
- 239000012535 impurity Substances 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000012790 adhesive layer Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Images
Landscapes
- Push-Button Switches (AREA)
Abstract
The utility model discloses a high leakproofness membrane switch, including the membrane switch body, the membrane switch body comprises panel layer, face glue film, shielding layer, lamella, circuit layer and gum ply are compound between, panel layer, face glue film, shielding layer bond through the sealed compound bonding of gluing of RTV between lamella, circuit layer and the gum ply between. The utility model discloses a membrane switch body of constituteing by the sealed compound bonding of gluing of RTV can prevent the dust impurity in the product use to get into completely, avoids influencing the normal use of membrane switch body, prolongs the life of membrane switch body, through panel layer, face glue film, shielding layer, the membrane switch body of lamella, circuit layer and the compound constitution of gum paper layer between, effectively promotes the water-proof effects of membrane switch body for the membrane switch body can reach IP66 waterproof rating.
Description
Technical Field
The utility model relates to a membrane switch technical field especially relates to a high leakproofness membrane switch.
Background
The application range of the membrane switch is very wide, the membrane switch has different structures and processes aiming at different users, environments and terminal equipment, and the membrane switch comprises a metal elastic sheet type, a hot-pressing convex bud hand feeling type, a plane light touch type and the like, and has the advantages of good key hand feeling, long service life, high stroke precision and the like.
The existing membrane switch is poor in sealing performance at the threading head, so that dust and impurities are easy to enter the membrane switch when the product is used, normal use of the product is affected, and the problem is solved by the high-sealing membrane switch.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the shortcomings existing in the prior art and providing a high-tightness membrane switch.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a high leakproofness membrane switch, includes the membrane switch body, the membrane switch body comprises panel layer, face glue film, shielding layer, lamella, circuit layer and gum paper layer are compound between, panel layer, face glue film, shielding layer bond through the sealed compound bonding of gluing of RTV between lamella, circuit layer and the gum paper layer.
Preferably, panel layer and gum paper layer set up both sides around the membrane switch body respectively, the face glue layer hugs closely in the panel layer setting, the shielding layer hugs closely in the face glue layer setting, the lamella hugs closely in the shielding layer setting between, the circuit layer sets up between lamella and gum paper layer.
Preferably, the upper end of the interlayer layer close to the left side is provided with a slot, a filling sheet is inserted into the slot, and RTV sealant is filled in a gap between the slot and the filling sheet.
Preferably, the circuit layer includes insulating piece and transparent dragon piece, transparent dragon piece covers on the insulating piece, be equipped with shell fragment and connector on the insulating piece, the silver thick liquid is irritated to the insulating piece and is connected to on the shielding layer.
Preferably, an opening is formed in the side wall of the front end of the adhesive-backed paper layer close to the left side.
Preferably, the thickness of panel layer is 0.2mm, the thickness of surface glue layer and shielding layer is 0.125mm, the thickness of lamella is 0.225mm between, the thickness on circuit layer is 0.19mm, the thickness of transparent dragon piece is 0.05mm, the thickness on gum paper layer is 0.17 mm.
Compared with the prior art, the utility model, its beneficial effect does:
1. through the membrane switch body that constitutes by the sealed compound bonding of gluing of RTV, can prevent the dust impurity entering in the product use completely, avoid influencing the normal use of membrane switch body, prolong the life of membrane switch body.
2. Through the membrane switch body that panel layer, face glue film, shielding layer, interlayer, circuit layer and gum paper layer are compound to be formed, effectively promote the water-proof effects of membrane switch body for the membrane switch body can reach IP66 waterproof grade.
Drawings
Fig. 1 is a schematic structural diagram of a high-sealing membrane switch according to the present invention;
fig. 2 is a schematic diagram illustrating a structure of a circuit layer of a high-sealing membrane switch according to the present invention;
fig. 3 is a schematic view of the structure split of the high-sealing membrane switch provided by the present invention.
In the figure: the circuit board comprises a thin film switch body 1, a panel layer 2, a glue layer 3, a shielding layer 4, a space sheet layer 5, a circuit layer 6, a glue paper layer 7, slots 8, a filling sheet 9, an insulating sheet 10, a transparent dragon sheet 11, an elastic sheet 12, a connector 13 and an opening 14.
Detailed Description
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-3, a high leakproofness membrane switch, including membrane switch body 1, membrane switch body 1 is by panel layer 2, face gum layer 3, shielding layer 4, lamella 5 between, circuit layer 6 and gum paper layer 7 are compound to be constituteed, panel layer 2 and gum paper layer 7 set up respectively in membrane switch body 1's front and back both sides, face gum layer 3 hugs closely in panel layer 2 setting, shielding layer 4 hugs closely in face gum layer 3 setting, lamella 5 hugs closely in shielding layer 4 setting between, circuit layer 6 sets up between lamella 5 and gum paper layer 7.
The panel layer 2, the surface adhesive layer 3, the shielding layer 4, the inter-sheet layer 5, the circuit layer 6 and the back adhesive paper layer 7 are compositely bonded through RTV sealant, the film switch body 1 formed by compositing can effectively improve the waterproof effect of the film switch body 1, so that the film switch body 1 can reach IP66 waterproof grade, the upper end of the inter-sheet layer 5 close to the left side is provided with a slot 8, a filling sheet 9 is inserted into the slot 8, RTV sealant is filled in a gap between the slot 8 and the filling sheet 9, the film switch body 1 formed by compositing and bonding the RTV sealant can completely prevent dust and impurities from entering in the using process of a product, the normal use of the film switch body 1 is prevented from being influenced, the service life of the film switch body 1 is prolonged, the circuit layer 6 comprises an insulating sheet 10 and a transparent dragon sheet 11, the transparent dragon sheet 11 is arranged on the insulating sheet 10, and the insulating sheet 10 is provided with, the insulating sheet 10 is silver paste-coated and connected to the shielding layer 4, and the side wall of the front end of the adhesive-backed paper layer 7 near the left side is provided with an opening 14.
The thickness of panel layer 2 is 0.2mm, and the thickness of face gum layer 3 and shielding layer 4 is 0.125mm, and the thickness of interlayer 5 is 0.225mm, and the thickness of circuit layer 6 is 0.19mm, and the thickness of transparent dragon piece 11 is 0.05mm, and the thickness of gum paper layer 7 is 0.17 mm.
The utility model discloses in, through the membrane switch body 1 that constitutes by the sealed compound bonding of gluing of RTV, the space intussuseption between cooperation slot 8 and the filling piece 9 is filled with the sealed glue of RTV, can prevent the dust impurity entering in the 1 use of membrane switch body completely, avoid influencing membrane switch body 1's normal use, prolong membrane switch body 1's life, through panel layer 2, face gum layer 3, shielding layer 4, lamella 5 between, the membrane switch body 1 that line layer 6 and gum ply 7 are compound to be constituteed, effectively promote membrane switch body 1's water-proof effects, make membrane switch body 1 can reach IP66 waterproof grade.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a high leakproofness membrane switch, includes membrane switch body (1), its characterized in that, membrane switch body (1) comprises panel layer (2), face gum layer (3), shielding layer (4), between lamella (5), circuit layer (6) and gum paper layer (7) complex, panel layer (2), face gum layer (3), shielding layer (4), between lamella (5), circuit layer (6) and gum paper layer (7) through the compound bonding of RTV sealed glue between.
2. The membrane switch with high sealing performance according to claim 1, wherein the panel layer (2) and the adhesive-backed paper layer (7) are respectively arranged on the front side and the rear side of the membrane switch body (1), the panel layer (3) is tightly attached to the panel layer (2), the shielding layer (4) is tightly attached to the panel layer (3), the interlayer layer (5) is tightly attached to the shielding layer (4), and the circuit layer (6) is arranged between the interlayer layer (5) and the adhesive-backed paper layer (7).
3. The membrane switch with high sealing performance according to claim 1, wherein the upper end of the interlayer sheet layer (5) close to the left side is provided with a slot (8), a filling sheet (9) is inserted into the slot (8), and an RTV sealant is filled in a gap between the slot (8) and the filling sheet (9).
4. The high-tightness membrane switch according to claim 1, wherein the circuit layer (6) comprises an insulating sheet (10) and a transparent dragon sheet (11), the transparent dragon sheet (11) covers the insulating sheet (10), the insulating sheet (10) is provided with a spring sheet (12) and a connector (13), and the insulating sheet (10) is connected to the shielding layer (4) through silver paste.
5. The high-sealability film switch of claim 1, wherein the side wall of the front end of the adhesive-backed paper layer (7) near the left side is provided with an opening (14).
6. The high-sealability thin film switch according to claim 4, wherein the thickness of the panel layer (2) is 0.2mm, the thickness of the panel layer (3) and the thickness of the shielding layer (4) are both 0.125mm, the thickness of the interlayer layer (5) is 0.225mm, the thickness of the circuit layer (6) is 0.19mm, the thickness of the transparent nylon sheet (11) is 0.05mm, and the thickness of the back adhesive paper layer (7) is 0.17 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921684432.3U CN210349647U (en) | 2019-10-10 | 2019-10-10 | High leakproofness membrane switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921684432.3U CN210349647U (en) | 2019-10-10 | 2019-10-10 | High leakproofness membrane switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210349647U true CN210349647U (en) | 2020-04-17 |
Family
ID=70178305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921684432.3U Expired - Fee Related CN210349647U (en) | 2019-10-10 | 2019-10-10 | High leakproofness membrane switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210349647U (en) |
-
2019
- 2019-10-10 CN CN201921684432.3U patent/CN210349647U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10712782B2 (en) | Front cover assembly and terminal | |
| CN110277018A (en) | Display panel and preparation method thereof | |
| CN105187583B (en) | Terminal front cover component and terminal | |
| CN210349647U (en) | High leakproofness membrane switch | |
| CN209150381U (en) | A kind of structure increasing crystal head dustproof and waterproof function | |
| CN204130797U (en) | A kind of ultra-thin water-proof connector | |
| CN210100927U (en) | Protection film with dustproof construction | |
| CN211170566U (en) | Flexible screen protection film | |
| CN113219755A (en) | Conductive structure for electrochromic device and electrochromic device | |
| CN213424858U (en) | Waterproof button structure of engineering vehicle instrument | |
| CN209770355U (en) | core rate movement of circular watch | |
| CN210324165U (en) | Novel capacitive touch screen integrated structure | |
| CN211788041U (en) | Soft LED label sticker | |
| CN213583592U (en) | Durable button structure and remote controller | |
| CN204928548U (en) | New -type power adapter | |
| CN212532842U (en) | Explosion-proof membrane for toughened glass | |
| CN211537168U (en) | Sponge for electronic appliance | |
| CN204513100U (en) | A kind of backlight module, display unit and terminal | |
| CN214751247U (en) | Conductive structure for electrochromic device and electrochromic device | |
| CN219642843U (en) | Photovoltaic glass with metal pins connected | |
| CN220325887U (en) | A anti-oxidation structure for touch-control circuit switch | |
| CN210837716U (en) | Projection display chip packaging structure and projector | |
| CN210166602U (en) | Novel remote controller backlight structure | |
| CN220105659U (en) | Telecom and luminous function integrated keyboard module | |
| CN212907868U (en) | Battery case and battery |
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: 20200417 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |