High-touch membrane switch with rectangular elastic sheet
By designing rectangular shrapnel and waterproof frame in the film switch, the existing film switch has solved the problems of small stress area, general touch and insufficient waterproof performance, and achieved good touch and good waterproof performance with large stress area.
Patent Information
- Application Number
- CN202420798271.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-17
- Publication Date
- 2024-12-17
- Estimated Expiration
- 2034-04-17
AI Technical Summary
The existing film switches have small stress area, average touch, insufficient waterproof performance, and excessive pressure on the contact part of the switch hand, resulting in false triggering.
Design a film switch with a high-touch feeling of rectangular shrapnel, including panel, surface key layer, light guide film layer, thickened layer, fixed layer, wire bond layer, and base glue layer, and set up convex hull, surface key layer hole, and light guide film , thickened holes, pressure joints and metal shrapnel, combined with waterproof frames, improve the stress area and waterproof performance.
It realizes a membrane switch with a large stress area with good touch and good waterproof performance, reducing false triggering, and improving user experience and equipment durability.
Smart Images
Figure CN222190544U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a thin-touch switch, in particular to a thin-touch membrane switch with a rectangular spring sheet having a large force-bearing area, good touch and good waterproof performance. Background Art
[0002] Customers' design requirements for user interfaces are constantly changing and improving. They are not limited to the realization of functions, but also require more fashionable appearance, more novel touch, and higher requirements for the feel, appearance, life and durability of buttons. Common membrane switches on the market have certain limitations:
[0003] 1. When using the touch screen, the force-bearing area is small and the touch feeling is average.
[0004] 2. The waterproof performance is average.
[0005] 3. There is a certain amount of outward pressure on the part of the switch that the hand contacts, resulting in a bad touch or even false triggering. Utility Model Content
[0006] In view of the above problems, the main purpose of the utility model is to provide a high-touch membrane switch with a rectangular spring having a large force-bearing area, good touch and good waterproof performance.
[0007] The utility model solves the above technical problems through the following technical solutions: a rectangular spring-type high-touch membrane switch, wherein the rectangular spring-type high-touch membrane switch comprises, from top to bottom, a panel, a surface key layer, a light guide film layer, a thickening layer, a thickening layer glue, a fixing layer, a wire key layer, a circuit layer, and a bottom glue layer.
[0008] A convex bump is arranged on the panel; the convex bump is a rectangular raised spring piece; a face key layer hole is arranged on the face key layer, and a gasket is arranged in the face key layer hole.
[0009] The thickening layer is provided with thickening layer holes; the thickening layer glue is provided with thickening layer glue holes; the fixing layer is provided with pressure seams for releasing pressure, and the wire bond layer is provided with wire bond layer holes.
[0010] The convex hull, the surface key layer hole, the light guide film, the thickened layer hole, the thickened layer glue hole, the pressure seam, the wire key layer hole, and the metal spring are located at the same vertical position; multiple conductive inks are arranged on the front and back sides of the circuit layer, a pressure seam for releasing pressure is arranged on the fixed layer, and the bottom glue layer is attached to the back side of the circuit layer.
[0011] An LED lamp is fixed on the circuit layer, and the LED lamp passes through the wire bond layer, the fixing layer, the thickening layer of glue, the thickening layer, and the light guide film layer.
[0012] In a specific implementation example of the present utility model, the pressure seam is in a "U" shape, a "cross" shape, an "eight" shape, or a "C" shape.
[0013] In a specific implementation example of the present invention, the uppermost end of the LED lamp is flush with the light guide film layer or slightly lower than the light guide film layer.
[0014] In a specific implementation example of the present utility model, a metal spring is arranged on a portion of the conductive ink on the front side of the circuit layer.
[0015] In a specific implementation example of the present invention, the rectangular spring-shaped high-touch membrane switch further includes a waterproof frame 12 , and the waterproof frame 12 is arranged around the entire rectangular spring-shaped high-touch membrane switch.
[0016] In a specific implementation example of the present utility model, the panel is made of PET plastic with a thickness ranging from 0.15 to 0.25 mm.
[0017] In a specific implementation example of the utility model, the height range of the convex hull is: 0.2-0.5mm, and the thickness range of the surface key layer is: 0.2-0.5mm.
[0018] In a specific implementation example of the present utility model, the thickness of the conductive ink ranges from 4 to 8 um.
[0019] In a specific implementation example of the present utility model, the thickness range of the circuit layer is: 0.2-0.5mm; the thickness range of the base glue layer is: 0.05-0.1mm.
[0020] In a specific implementation example of the present utility model, a finger reinforcement structure is attached to the back of the circuit layer, and the thickness of the finger reinforcement structure ranges from 0.05 to 0.08 mm.
[0021] The positive progressive effects of the utility model are: the rectangular spring sheet high-touch membrane switch proposed by the utility model has a convex bump that is a rectangular convex spring sheet, which has a larger force-bearing area compared with the common square structure; a pressure seam for releasing pressure is provided on the fixed layer, and the pressure seam cooperates with the gasket in the hole of the surface key layer, so that the hand contact part of the switch has a good touch; in addition, the utility model is provided with a waterproof frame, and has good waterproof performance. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] Figure 1 It is a structural schematic diagram of the interlayer structure of the utility model.
[0023] Figure 2 yes Figure 1 Schematic diagram of the medium pressure joint ( Figure 1 circle).
[0024] Figure 3 It is a schematic diagram of the front panel display of the utility model.
[0025] The following are the names corresponding to the label numbers in this utility model:
[0026] Panel 1, surface key layer 2, light guide film layer 3, thickening layer 4, thickening layer glue 5, fixing layer 6, wire key layer 7, circuit layer 8, bottom glue layer 9, metal spring 10, conductive ink 11, waterproof frame 12, finger reinforcement structure 13, LED lamp 14, gasket 15; convex 101, surface key layer hole 201, thickening layer hole 401, thickening layer glue hole 501, pressure seam 601, wire key layer hole 701, front circuit 801, back circuit 802. DETAILED DESCRIPTION
[0027] The preferred embodiments of the present invention are given below in conjunction with the accompanying drawings to illustrate the technical solution of the present invention in detail.
[0028] Figure 1 It is a schematic diagram of the structure of the interlayer structure of the utility model. Figure 2 yes Figure 1 Schematic diagram of the medium pressure joint ( Figure 1 ), Figure 3 It is a schematic diagram of the front panel display of the utility model, such as Figure 1-3 As shown: the utility model proposes a rectangular spring high-touch membrane switch, which is composed of, from top to bottom: a panel 1, a surface key layer 2, a light guide film layer 3, a thickening layer 4, a thickening layer glue 5, a fixing layer 6, a wire key layer 7, a circuit layer 8, and a bottom glue layer 9; a convex bump 101 is arranged on the panel 1, and the convex bump 101 is a rectangular raised spring; a surface key layer hole 201 is arranged on the surface key layer 2; and a gasket 15 is arranged in the surface key layer hole 201.
[0029] The thickening layer 4 is provided with a thickening layer hole 401 ; the thickening layer glue 5 is provided with a thickening layer glue hole 501 ; the fixing layer 6 is provided with a pressure seam 601 for releasing pressure, and the wire bond layer 7 is provided with a wire bond layer hole 701 .
[0030] like Figure 1 As shown, in the specific implementation process, the convex bulge 101, the surface key layer hole 201, the light guide film 302, the thickened layer hole 401, the thickened layer glue hole 501, the pressure seam 601, the wire key layer hole 701, and the metal spring 10 in the utility model are located at the same vertical position.
[0031] A plurality of conductive inks 11 are disposed on both the front and back surfaces of the circuit layer 8 , a pressure seam 601 for releasing pressure is disposed on the fixing layer 6 , and the base adhesive layer 9 is attached to the back surface of the circuit layer 8 .
[0032] An LED lamp 14 is fixed on the circuit layer 8 , and the LED lamp 14 passes through the wire bond layer 7 , the fixing layer 6 , the thickening layer glue 5 , the thickening layer 4 , and the light guide film layer 3 .
[0033] The circuit layer 8 is provided with a front circuit 801 and a back circuit 802. Figure 1 .
[0034] In the specific implementation process of the present utility model, the panel 1 and the surface key layer 2 are bonded with double-sided tape, the surface key layer 2 and the light guide film layer 3 are bonded with double-sided tape, the light guide film layer 3 and the thickening layer 4 are bonded with double-sided tape, the thickening layer 4 and the fixed layer 6 are bonded with thickening layer glue 5, the fixed layer 6 and the wire key layer 7 are bonded with double-sided tape, and the wire key layer 7 and the circuit layer 8 are bonded with double-sided tape.
[0035] In the specific implementation process of the present invention, the pressure seam 601 can be in a "U" shape, a "cross" shape, an "eight" shape, or a "C" shape. In the specific implementation process, it can also be other shapes.
[0036] In a specific implementation process, the uppermost end of the LED lamp 14 in the present invention is flush with the light guide film layer 3 or slightly lower than the light guide film layer 3 .
[0037] In the specific implementation process, Figure 1 As shown, on the front side of the circuit layer 8 , a metal spring 10 is arranged on a portion of the conductive ink 11 .
[0038] The rectangular spring high-touch membrane switch also includes a waterproof frame 12, which is arranged around the entire rectangular spring high-touch membrane switch. Figure 1 The thickest parts on both sides.
[0039] In the specific implementation process, the design of the light-guiding film layer 3 in the utility model enables the utility model to emit surface light, and the waterproof frame 12 can be a waterproof frame made of transparent material. If it is a waterproof frame made of transparent material, the setting of the waterproof frame 12 enables the utility model to achieve side light emission.
[0040] In the specific implementation process, the light guide film layer 3 in the utility model is PC or PET or other materials.
[0041] like Figure 1 As shown, in the specific implementation process, the panel in the utility model is PET plastic, with a thickness range of 0.15-0.25mm, a height range of convex hulls of 0.2-0.5mm, a thickness range of the face key layer of 0.2-0.5mm, and a thickness range of the circuit layer of 0.2-0.5mm; a thickness range of the base glue layer of 0.05-0.1mm, and a finger reinforcement structure 13 is attached to the back of the circuit layer. The thickness range of the finger reinforcement structure is 0.05-0.08mm, and the thickness range of the conductive ink 11 is 4-8um. The above parameters are selected according to the specific requirements, and other parameters can also be selected in the specific implementation process.
[0042] The panel of the utility model can be PET plastic, the above PET plastic (abbreviation of Polyethyleneterephthalate in English, PET or PETP for short; the corresponding Chinese is: Polyterephthalate plastic.)
[0043] The convex bump of the utility model is a rectangular raised spring piece, which has a larger force-bearing area compared with the common square structure; a pressure seam for releasing pressure is arranged on the fixed layer, and the pressure seam cooperates with the gasket in the hole of the surface key layer, so that the hand contact part of the switch has a good touch; in addition, the utility model is provided with a waterproof frame, which has good waterproof performance. The switch of the utility model has a simple structure and low cost.
[0044] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected, and the scope of protection of the utility model is defined by the attached claims and their equivalents.
Claims
1. A rectangular spring-type high-touch membrane switch, characterized in that: The rectangular spring-shaped high-touch membrane switch is composed of, from top to bottom, a panel, a surface key layer, a light guide film layer, a thickening layer, a thickening layer glue, a fixing layer, a wire key layer, a circuit layer, and a bottom glue layer; The panel is provided with a convex bump, which is a rectangular raised spring piece; the face key layer is provided with a face key layer hole, and a gasket is provided in the face key layer hole; The thickening layer is provided with a thickening layer hole; the thickening layer glue is provided with a thickening layer glue hole; the fixing layer is provided with a pressure seam for releasing pressure, and the wire bond layer is provided with a wire bond layer hole; The convex hull, the surface key layer hole, the light guide film, the thickening layer hole, the thickening layer glue hole, the pressure seam, the wire key layer hole, and the metal spring are located at the same vertical position; multiple conductive inks are arranged on the front and back sides of the circuit layer, a pressure seam for releasing pressure is arranged on the fixed layer, and the bottom glue layer is attached to the back side of the circuit layer; An LED lamp is fixed on the circuit layer, and the LED lamp passes through the wire bond layer, the fixing layer, the thickening layer of glue, the thickening layer, and the light guide film layer.
2. The rectangular spring-shaped high-touch membrane switch according to claim 1, characterized in that: The pressure joint is in the shape of "U", "X", "Eight", or "C".
3. The rectangular spring-shaped high-touch membrane switch according to claim 1, characterized in that: The uppermost end of the LED lamp is flush with the light guide film layer or slightly lower than the light guide film layer.
4. The rectangular spring-shaped high-touch membrane switch according to claim 1, characterized in that: On the front side of the circuit layer, a metal spring is arranged on part of the conductive ink.
5. The rectangular spring-shaped high-touch membrane switch according to claim 1, characterized in that: The rectangular spring-type high-touch membrane switch also includes a waterproof frame, which is arranged around the entire rectangular spring-type high-touch membrane switch.
6. The rectangular spring-shaped high-touch membrane switch according to claim 1, characterized in that: The panel is made of PET plastic with a thickness range of 0.15-0.25mm.
7. The rectangular spring-shaped high-touch membrane switch according to claim 1, characterized in that: The height range of the convex hull is: 0.2-0.5mm, and the thickness range of the surface key layer is: 0.2-0.5mm.
8. The rectangular spring-shaped high-touch membrane switch according to claim 1, characterized in that: The thickness range of conductive ink is: 4-8um.
9. The rectangular spring-shaped high-touch membrane switch according to claim 1, characterized in that: The thickness range of the circuit layer is: 0.2-0.5mm; the thickness range of the base glue layer is: 0.05-0.1mm.
10. The rectangular spring-shaped high-touch membrane switch according to claim 1, characterized in that: The back of the circuit layer is pasted with a finger reinforcement structure, and the thickness of the finger reinforcement structure ranges from 0.05 to 0.08 mm.