CN222619603U - A waterproof touch switch - Google Patents
A waterproof touch switch Download PDFInfo
- Publication number
- CN222619603U CN222619603U CN202420881587.0U CN202420881587U CN222619603U CN 222619603 U CN222619603 U CN 222619603U CN 202420881587 U CN202420881587 U CN 202420881587U CN 222619603 U CN222619603 U CN 222619603U
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- Prior art keywords
- waterproof
- fixedly arranged
- arc
- cavity
- shaped positioning
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- 239000012528 membrane Substances 0.000 claims description 19
- 230000000694 effects Effects 0.000 description 12
- 230000002035 prolonged effect Effects 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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- Push-Button Switches (AREA)
Abstract
The utility model belongs to the technical field of tact switches, in particular to a waterproof tact switch which comprises a base and a cover plate, wherein a movable plate is arranged in the cover plate in a sliding manner, a pressing button is fixedly arranged at the top end of the movable plate, the pressing button is arranged in a sliding manner and penetrates through a through hole, a pressing block is fixedly arranged at the center of the bottom end of the movable plate, a cavity is formed in the top end of the base, a waterproof film is fixedly arranged at the top end of the cavity of the base, the cavity is sealed by the waterproof film, a waterproof gasket is fixedly arranged on the inner wall of the cavity, the waterproof gasket is arranged right above the waterproof film, a plurality of arc-shaped positioning grooves are formed in four edges of the bottom end of the waterproof gasket, arc-shaped positioning strips matched with the arc-shaped positioning grooves are fixedly arranged at four edges of the top end of the waterproof gasket, and the waterproof film is quickly recovered after deformation through the matching of the arc-shaped positioning grooves and the arc-shaped positioning strips, so that the waterproof performance and the service life of the waterproof film are improved.
Description
Technical Field
The utility model belongs to the technical field of touch switches, and particularly relates to a waterproof touch switch.
Background
The touch switch is a mechanical switch arranged on a circuit board, the instantaneous opening and closing of a circuit are realized through the pressing of a button, the touch sense is sharp, the structure is simple, the touch switch is widely applied to the fields of home, business, medical treatment, traffic and the like, the waterproof touch switch not only has the advantages of a common touch switch, but also has a waterproof function, so that the touch switch can adapt to more complex and severe environmental conditions, and the requirement of a user on the waterproof performance of equipment is met.
The existing waterproof tact switch is composed of a button, a shell, contacts, a dome sheet, a base, a waterproof film and the like, and the working principle is that the waterproof film seals the contact area to prevent water vapor from entering, when the button is pressed down, the dome sheet is pressed down, contact is achieved between the contacts, a circuit is conducted, when the button is released, the dome sheet rebounds, the contacts are separated, the circuit is cut off, and in this way, the tact switch can realize opening and closing control of the circuit.
The waterproof tact switch in the prior art has the following defects that the waterproof film is too thin, after the button is pressed down to deform the waterproof film, the waterproof effect is influenced after the service life is prolonged, the waterproof film is too thick, after the button is pressed down to deform the waterproof film, the waterproof film is easy to recover, but the edge of the waterproof film is easy to tilt during deformation, and the tilting gap is enlarged after the service life is prolonged, so that the waterproof effect is influenced.
Disclosure of utility model
In order to make up the defect of the existing waterproof tact switch, the waterproof effect is influenced after the waterproof film is too thin and is deformed after the button is pressed down, the waterproof effect is influenced after the service life is prolonged, the waterproof film is too thick and is easy to recover after the button is pressed down and is deformed, but the edge of the waterproof film is easy to tilt when deformed, the tilting gap is enlarged after the service life is prolonged, water seepage is easy to occur, and the waterproof effect is influenced.
The waterproof tact switch comprises a base, rivets are fixedly arranged at four corners of the top end of the base, a cover plate is arranged at the top end of the base, fixing holes matched with the rivets are formed in four corners of the top end of the cover plate, through holes are formed in the center of the top end of the cover plate, a movable plate is slidably arranged in the cover plate, a pressing button is fixedly arranged at the top end of the movable plate, the pressing button is slidably arranged through the through holes, a pressing block is fixedly arranged at the center of the bottom end of the movable plate, a cavity is formed in the top end of the base, a waterproof film is fixedly arranged at the top end of the base and is used for sealing the cavity, a waterproof gasket is fixedly arranged on the inner wall of the cavity and is arranged right above the waterproof film, and the waterproof gasket is matched with the waterproof gasket to improve the waterproof effect and the service life.
Preferably, a plurality of arc-shaped positioning grooves are formed in four sides of the bottom end of the waterproof gasket, arc-shaped positioning strips matched with the arc-shaped positioning grooves are fixedly arranged on four sides of the top end of the waterproof membrane, and the waterproof membrane is quickly restored after deformation through the cooperation of the arc-shaped positioning grooves and the arc-shaped positioning strips.
Preferably, the movable groove is formed in the inner wall of the cover plate, the guide block is fixedly arranged on the movable plate, a spring is fixedly arranged between the guide block and the inner wall of the movable groove, and the movable plate can be assisted to drive the pressing Niu Huidan to reset through the cooperation of the spring and the guide block.
Preferably, the thickness of the waterproof membrane is one fourth of the thickness of the waterproof gasket, and the waterproof performance is improved through the cooperation of the waterproof membrane and the waterproof gasket.
Preferably, the base is fixedly provided with a first lug and a second lug, the cavity is internally fixedly provided with a first contact, the first lug is welded with the first contact, the cavity is internally fixedly provided with a second contact, the second contact is welded with the second lug, the top end of the first contact is fixedly welded with an elastic sheet, and the light touch switch normally performs opening and closing work of a circuit through cooperation between the equipment.
Preferably, the central axes of the elastic sheet, the second contact, the pressing block, the moving plate and the pressing button are consistent, and the quality of the tact switch is improved through the central axis consistency between the structures.
The utility model has the beneficial effects that:
The utility model provides a waterproof type tact switch, when the waterproof type tact switch is used, a user presses a pressing button to enable a moving plate and a pressing block to move downwards, a waterproof gasket is firstly pressed downwards, a waterproof film is then pressed downwards, the waterproof film and the pressing block are simultaneously deformed, the bottom end of the waterproof film is contacted with a spring sheet, the spring sheet is pressed downwards to enable the spring sheet to be contacted with a second contact, a circuit is conducted, the center of the waterproof gasket is concave inwards, the edge of the waterproof gasket is tilted to drive an arc-shaped positioning groove to move, the arc-shaped positioning strip is separated from the arc-shaped positioning groove, deformation of the waterproof film is not hindered, when the user does not press the pressing button any more, the spring sheet rebounds, a circuit is disconnected, and meanwhile, the waterproof gasket is restored to a flat state and drives the arc-shaped positioning groove to move towards the arc-shaped positioning strip and is sleeved on the arc-shaped positioning strip, so that the waterproof film is simultaneously driven to be restored to a flat state, and the service life of the waterproof type tact switch is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:
FIG. 1 is a perspective view of the whole;
FIG. 2 is a perspective view of an overall explosive structure;
FIG. 3 is a structural cross-sectional view of the first embodiment;
Fig. 4 is a structural sectional view of the second embodiment;
fig. 5 is a structural perspective view of a waterproof membrane and a waterproof gasket;
Fig. 6 is an enlarged view of the structure at a in fig. 4;
Legend description:
1. The waterproof device comprises a base, a cavity, a rivet, a cover plate, a movable groove, a fixed hole, a through hole, a moving plate, a pressing button, a pressing block, a waterproof film, a waterproof sheet, an arc-shaped positioning strip, a waterproof gasket, a guide block, a first wiring lug, a second wiring lug, a first contact, a second contact and a spring.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Specific examples are given below.
Referring to fig. 1-6, the waterproof tact switch of the utility model comprises a base 1, rivets 2 are fixedly arranged at four corners of the top end of the base 1, a cover plate 3 is arranged at the top end of the base 1, fixing holes 4 matched with the rivets 2 are formed at four corners of the top end of the cover plate 3, a through hole 5 is formed in the center of the top end of the cover plate 3, a movable plate 6 is slidably arranged in the cover plate 3, a pressing button 7 is fixedly arranged at the top end of the movable plate 6, the pressing button 7 slidably penetrates through the through hole 5, a lower pressing block 8 is fixedly arranged at the center of the bottom end of the movable plate 6, a cavity 01 is formed at the top end of the base 1, a waterproof film 9 is fixedly arranged at the top end of the cavity 01, the waterproof film 9 seals the cavity 01, a waterproof gasket 10 is fixedly arranged on the inner wall of the cavity 01, the waterproof gasket 10 is arranged right above the waterproof film 9, the thickness of the waterproof film 9 is one fourth of the thickness of the gasket 10, a plurality of arc-shaped positioning grooves 101 are formed at the bottom end of the waterproof gasket 10, a plurality of arc-shaped positioning grooves 101 are respectively matched with the arc-shaped positioning grooves 101,
The base 1 is fixedly provided with a first wiring lug 13 and a second wiring lug 14, the cavity 01 is internally fixedly provided with a first contact 15, the first wiring lug 13 is in welded connection with the first contact 15, the cavity 01 is internally fixedly provided with a second contact 16, the second contact 16 is in welded connection with the second wiring lug 14, the top end of the first contact 15 is fixedly welded and connected with a spring piece 17, the central axes among the spring piece 17, the second contact 16, the pressing block 8, the movable plate 6 and the pressing button 7 are consistent, in order to prevent the waterproof film 9 from being difficultly recovered after the pressing button 7 is pressed down to deform, the waterproof effect is affected after the length is increased when the waterproof gasket 10 is excessively thick, the waterproof gasket is easily recovered after the pressing button 7 is pressed down to deform, but the edge of the waterproof gasket is easily tilted when the waterproof gasket is deformed, the tilted gap is easily increased after the length is increased when the waterproof gasket is used, when the waterproof type tact switch is used, firstly, a user presses the press button 7 to enable the movable plate 6 and the lower pressing block 8 to move downwards, firstly, the waterproof gasket 10 is pressed downwards, then the waterproof membrane 9 is pressed downwards, the waterproof membrane 9 is deformed simultaneously, then the bottom end of the waterproof membrane 9 is contacted with the elastic sheet 17, the elastic sheet 17 is pressed downwards to enable the elastic sheet 17 to be contacted with the second contact 16, the circuit is conducted, the center of the waterproof gasket 10 is concave, the edge of the waterproof gasket is tilted to drive the arc-shaped positioning groove 101 to move, the arc-shaped positioning strip 901 is separated from the arc-shaped positioning groove 101 to prevent the deformation of the waterproof membrane 9, when the user does not press the press button 7 any more, the elastic sheet 17 is rebounded, the circuit is disconnected, meanwhile, the waterproof gasket 10 is restored to be in a flat state, the arc-shaped positioning groove 101 is driven to move towards the arc-shaped positioning strip 901 and is sleeved on the arc-shaped positioning strip 901, and the waterproof membrane 9 is restored to be in a flat state together, the waterproof effect is improved, and meanwhile, the service life of the waterproof type tact switch is prolonged.
Further, the inner wall of the cover plate 3 is provided with a movable groove 03, and the moving plate 6 is fixedly provided with a guide block 12, wherein the two embodiments are divided according to the size and specification of the pressing button 7, the moving plate 6, the pressing block 8 and the tact switch, and the embodiments are as follows:
In the first embodiment, when the pressing button 7, the moving plate 6, the pressing block 8 and the tact switch are in micro specifications, the guide block 12 and the movable groove 03 are matched to guide and limit the movement of the pressing button 7, the moving plate 6 and the pressing block 8, so as to prevent the movement of the pressing button 7, the moving plate 6 and the pressing block 8 from shifting, and the pressing button 7 can be reset by directly adopting the waterproof gasket 10 with stronger elasticity and utilizing the elasticity of the waterproof gasket 10.
In the second embodiment, when the pressing button 7, the moving plate 6, the pressing block 8 and the tact switch are of small and large sizes, the spring 11 is fixedly arranged between the guide block 12 and the inner wall of the movable groove 03, when the pressing button 7 is pressed down, the guide block 12 compresses the spring 11, and after the pressing button 7 is released, the pressing button 7 is assisted to reset under the reaction force of the spring 11.
In order to prevent the waterproof membrane 9 from being too thin to influence the waterproof effect after the pressing button 7 is pressed down to deform, the waterproof gasket 10 is too thick to influence the waterproof effect after the pressing button 7 is pressed down to deform, but the edge of the waterproof gasket 10 is easy to tilt when deformed, the tilting gap is enlarged after the pressing button 7 is increased to easily permeate water when deformed, the waterproof effect is influenced, firstly, when the waterproof tact switch is used, a user presses the pressing button 7, the moving plate 6 and the lower pressing block 8 move downwards, firstly the waterproof gasket 10 is pressed down to enable the waterproof membrane 9 to be pressed down, the waterproof gasket 9 is deformed at the same time, the bottom end of the rear membrane 9 is contacted with the elastic sheet 17 to press down to enable the elastic sheet 17 to be contacted with the second contact 16, the circuit is conducted, the center of the waterproof gasket 10 is inwards concave, the edge of the waterproof gasket is tilted to drive the arc-shaped positioning groove 101 to move, the arc-shaped positioning strip 901 is separated from the arc-shaped positioning groove 101, deformation of the waterproof membrane 9 is not hindered, when the user does not press the pressing the button 7 any more, the elastic sheet 17 is cut off, the waterproof gasket 10 is simultaneously is in a flat state, the waterproof positioning strip is driven to move towards the arc-shaped positioning groove 101, the arc-shaped positioning sleeve is simultaneously, the waterproof positioning effect is improved, and the service life of the waterproof gasket is prolonged.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420881587.0U CN222619603U (en) | 2024-04-25 | 2024-04-25 | A waterproof touch switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420881587.0U CN222619603U (en) | 2024-04-25 | 2024-04-25 | A waterproof touch switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222619603U true CN222619603U (en) | 2025-03-14 |
Family
ID=94910362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420881587.0U Active CN222619603U (en) | 2024-04-25 | 2024-04-25 | A waterproof touch switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222619603U (en) |
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2024
- 2024-04-25 CN CN202420881587.0U patent/CN222619603U/en active Active
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