Touch switch with good protection performance
By incorporating a multi-layered protective structure consisting of a TPU film, a rubber inner ring, and a sponge protective ring on the tactile switch, the problem of poor dust and water resistance is solved, thus improving the protective performance of the tactile switch.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-06-11
- Publication Date
- 2026-03-20
AI Technical Summary
Existing tactile switches have poor dust and water resistance, which affects their service life and safety.
A TPU film is used to create a waterproof membrane on the switch body, which is then protected by multiple layers of rubber inner ring and sponge protective ring. The waterproof membrane is then stably fixed by a limit strip and an L-shaped hook.
It achieves excellent waterproof and dustproof effects, prevents the waterproof membrane from sliding and shifting, and improves service life and safety.
Smart Images

Figure CN224020654U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a light touch switch technical field, concretely is a light touch switch with good protection performance. BACKGROUND
[0002] Light touch switch is the key switch for electronic field, and the spring leaf is pressed to realize the on-off when using. At present, light touch switch is still widely used in the field of household appliances. The existing light touch switch is insufficient in spring leaf protection, and the dustproof and waterproof effect is poor, which affects the service life and use safety. In order to solve the above problems, the utility model provides a light touch switch with good protection performance. UTILITY MODEL CONTENTS
[0003] In view of the above technical deficiencies, the utility model aims at providing a light touch switch with good protection performance, which is provided with a waterproof film on the upper end face of the switch body, the waterproof film is a TPU film, a rubber inner ring is installed between the key hole and the pressing column, and a sponge protection ring is slidingly installed in the annular inner groove, so that multiple protection is realized, good dustproof and waterproof effect is achieved, and the technical effects proposed in the background art are solved.
[0004] In order to solve the above technical problems, the utility model adopts the following technical scheme: the utility model provides a light touch switch with good protection performance, which comprises a switch body, a spring leaf, a cover, a pressing column, a waterproof film and a protection assembly; the spring leaf is installed in the accommodating groove formed in the upper end face of the switch body, the waterproof film is arranged on the upper end face of the switch body to seal the accommodating groove, and the cover is connected to the upper end of the switch body to press the waterproof film; the pressing column for pressing the spring leaf is slidingly installed in the key hole formed in the bottom surface of the cover, and the protection assembly is installed between the pressing column and the cover.
[0005] Preferably, the waterproof film is a TPU film.
[0006] Preferably, limit strips are arranged at the four side edges of the inner bottom surface of the cover, strip-shaped limit holes are arranged at the four side edges of the waterproof film, strip-shaped limit grooves are arranged at the four sides of the upper end face of the switch body, and the limit strips are installed in the strip-shaped limit grooves after passing through the strip-shaped limit holes.
[0007] Preferably, L-shaped hooks are arranged at the opposite sides of the inner bottom surface of the cover, the L-shaped hooks are connected to the lower bottom surface of the switch body, so that the cover presses the waterproof film.
[0008] Preferably, the protection assembly comprises a rubber sealing ring and a sponge protection ring; a sealing ring groove is formed in the side wall of the key hole, the rubber sealing ring is matched and installed in the sealing ring groove, a rubber inner ring is integrally connected to the inner side of the rubber sealing ring, and the rubber inner ring is installed between the key hole and the pressing column.
[0009] Preferably, the sponge protection ring is fixedly installed outside the lower part of the pressing column, the inner side of the rubber sealing ring and the lower end of the rubber inner ring form an annular inner notch, and the sponge protection ring is slidably installed in the annular inner notch.
[0010] Preferably, the bottom of the pressing column is a spherical convex part, and the lowest end of the spherical convex part corresponds to the topmost position of the reed.
[0011] The utility model discloses the beneficial effect lies in:
[0012] 1. The utility model discloses a waterproof film is arranged on the upper end surface of the switch body, and the waterproof film is TPU film, so that good waterproof and dustproof effects are realized.
[0013] 2. The utility model discloses a limiting strip is installed in the strip-shaped limiting groove after passing through the strip-shaped limiting hole, so that the waterproof film is stably fixed. BRIEF DESCRIPTION OF DRAWINGS
[0014] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.
[0015] Figure 1 The utility model provides a structure schematic diagram of the light touch switch with good protection performance.
[0016] Figure 2 The utility model discloses a structure schematic diagram of the light touch switch with good protection performance. Figure 1 The utility model discloses a structure schematic diagram of the light touch switch with good protection performance.
[0017] Figure 3 The utility model discloses a structure schematic diagram of the light touch switch with good protection performance. Figure 2 The utility model discloses a structure schematic diagram of the light touch switch with good protection performance.
[0018] Figure 4 The utility model discloses a structure schematic diagram of the light touch switch with good protection performance. Figure 3 The utility model discloses a structure schematic diagram of the light touch switch with good protection performance.
[0019] Figure 5 The utility model discloses a structure schematic diagram of the light touch switch with good protection performance. Figure 3 The utility model discloses a structure schematic diagram of the light touch switch with good protection performance.
[0020] Explanation of reference numerals in the attached diagram: 1-Switch body, 11-Receiving groove, 12-Strip-shaped limiting groove, 2-Spring, 3-Card cover, 31-Button hole, 311-Sealing ring groove, 32-Limiting strip, 33-L-shaped hook, 4-Pressing post, 5-Waterproof membrane, 51-Strip-shaped limiting hole, 61-Rubber sealing ring, 611-Rubber inner ring, 62-Sponge protective ring. Detailed Implementation
[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0022] Example 1:
[0023] like Figures 1 to 5 As shown, this embodiment provides a tactile switch with good protection performance, including: a switch body 1, a spring 2, a cover 3, a pressing post 4, a waterproof membrane 5, and a protective component; the spring 2 is installed in a receiving groove 11 opened on the upper end surface of the switch body 1, and a waterproof membrane 5 is provided on the upper end surface of the switch body 1 to seal the receiving groove 11. The cover 3 is snapped onto the upper end of the switch body 1 to press the waterproof membrane 5. Specifically, the waterproof membrane 5 is a TPU film. The TPU film has good elasticity to meet the elastic deformation requirements of pressing, and at the same time, the TPU film has waterproof performance to achieve good waterproof and dustproof effect. The pressing post 4 for pressing the spring 2 is slidably installed in the button hole 31 opened on the bottom surface of the cover 3. Specifically, the bottom of the pressing post 4 is a spherical protrusion, and the lowest end of the spherical protrusion corresponds to the highest point of the spring 2. When the pressing post 4 moves downward, the contact area is reduced while ensuring a good pressing effect, which facilitates the spring 2 to rebound; a protective component is installed between the pressing post 4 and the cover 3 to protect the spring 2 and related parts in the receiving groove 11.
[0024] For details, please refer to Figures 3 to 5As shown, the inner bottom surface of the clamping cover 3 is provided with a limiting strip 32 at the position of the four side edges, the waterproof film 5 is provided with a strip-shaped limiting hole 51 at the position of the four side edges, the upper end surface of the switch body 1 is provided with a strip-shaped limiting groove 12 at the position of the four sides, and the limiting strip 32 is installed in the strip-shaped limiting groove 12 after passing through the strip-shaped limiting hole 51 correspondingly; in fact, the limiting strip 32 can be a rubber strip, which is installed in the strip-shaped limiting groove 12 after passing through the strip-shaped limiting hole 51, so as to realize the stable fixing of the waterproof film 5; more specifically, the inner bottom surface of the clamping cover 3 is provided with an L-shaped clamping hook 33 at the opposite two sides, the L-shaped clamping hook 33 is clamped on the lower bottom surface of the switch body 1, so that the clamping cover 3 presses the waterproof film 5; through the L-shaped clamping hook 33 with elasticity, the clamping cover 3 further presses the waterproof film 5, realizes the stable installation of the waterproof film 5, avoids the sliding displacement of the waterproof film 5 after being pressed, affects the protection effect, and is convenient and practical.
[0025] Specifically, please refer to Figure 5 As shown, the protection assembly comprises a rubber sealing ring 61 and a sponge protection ring 62; the sealing ring groove 311 is formed in the side wall of the key hole 31, the rubber sealing ring 61 is matched and installed in the sealing ring groove 311, the rubber inner ring 611 is integrally connected to the inner side of the rubber sealing ring 61, and the rubber inner ring 611 is installed between the key hole 31 and the pressing column 4; through the installation of the rubber inner ring 611 between the key hole 31 and the pressing column 4, good sealing and good dustproof and waterproof effects are realized; furthermore, the sponge protection ring 62 is fixedly installed on the outer side of the lower part of the pressing column 4, the annular inner groove is formed between the inner side of the rubber sealing ring 61 and the lower end of the rubber inner ring 611, and the sponge protection ring 62 is slidably installed in the annular inner groove; the sponge protection ring 62 can further play a good dustproof effect, which is convenient and practical.
[0026] In the embodiment, the waterproof film 5 is arranged on the upper end surface of the switch body 1 and is a TPU film, so as to realize good waterproof and dustproof effects; the rubber inner ring 611 is installed between the key hole 31 and the pressing column 4, and the sponge protection ring 62 is slidably installed in the annular inner groove, so as to realize multi-layer protection and good dustproof and waterproof effects. In addition, the limiting strip 32 is installed in the strip-shaped limiting groove 12 after passing through the strip-shaped limiting hole 51, so as to realize the stable fixing of the waterproof film 5; through the L-shaped clamping hook 33 with elasticity, the clamping cover 3 further presses the waterproof film 5, realizes the stable installation of the waterproof film 5, avoids the sliding displacement of the waterproof film 5 after being pressed, affects the protection effect, and is convenient and practical.
[0027] Obviously, those skilled in the art can make various modifications and variations to the utility model without departing from the spirit and scope of the utility model. Thus, if these modifications and variations of the utility model belong to the scope of the utility model claims and the equivalent technologies thereof, the utility model also intends to include these modifications and variations.
Claims
1. A tactile switch with good protection performance, characterized in that, include: The switch body (1), spring (2), cover (3), pressing post (4), waterproof membrane (5), and protective components are provided. The spring (2) is installed in the receiving groove (11) opened on the upper end face of the switch body (1). The upper end face of the switch body (1) is provided with a waterproof membrane (5) to seal the receiving groove (11). The cover (3) is snapped onto the upper end of the switch body (1) to press the waterproof membrane (5). The pressing post (4) for pressing the spring (2) is slidably installed in the button hole (31) opened on the bottom surface of the cover (3). The protective components are installed between the pressing post (4) and the cover (3).
2. A tactile switch with good protection performance as described in claim 1, characterized in that, The waterproof membrane (5) is a TPU film.
3. A tactile switch with good protection performance as described in claim 2, characterized in that, The card cover (3) has a limiting strip (32) on the four sides of the bottom surface, the waterproof membrane (5) has a strip-shaped limiting hole (51) on the four sides, and the switch body (1) has a strip-shaped limiting groove (12) on the four sides of the upper surface. The limiting strip (32) passes through the strip-shaped limiting hole (51) and is installed in the strip-shaped limiting groove (12).
4. A tactile switch with good protection performance as described in claim 3, characterized in that, The card cover (3) has L-shaped hooks (33) on opposite sides of its inner bottom surface. The L-shaped hooks (33) are engaged with the bottom surface of the switch body (1), so that the card cover (3) presses the waterproof membrane (5) tightly.
5. A tactile switch with good protective performance as described in claim 1 or 4, characterized in that, The protective components include a rubber sealing ring (61) and a sponge protective ring (62); a sealing ring groove (311) is opened on the side wall of the button hole (31), the rubber sealing ring (61) is matched and installed in the sealing ring groove (311), the inner side of the rubber sealing ring (61) is integrally connected to the rubber inner ring (611), and the rubber inner ring (611) is installed between the button hole (31) and the pressing post (4).
6. A tactile switch with good protection performance as described in claim 5, characterized in that, The sponge protective ring (62) is fixedly installed on the lower outer side of the pressing column (4), and an annular inner groove is formed between the inner side of the rubber sealing ring (61) and the lower end of the rubber inner ring (611). The sponge protective ring (62) is slidably installed in the annular inner groove.
7. A tactile switch with good protection performance as described in claim 6, characterized in that, The bottom of the pressing column (4) is a spherical protrusion, and the lowest end of the spherical protrusion corresponds to the highest point of the spring (2).