Antifouling touch switch

Abstract

The utility model discloses an antifouling touch switch, and relates to the field of touch switches. The antifouling touch switch comprises a touch switch body and a protective shell which sleeves the peripheral wall of the touch switch body, and an extrusion assembly and a limiting assembly are arranged in the protective shell. According to the antifouling touch switch, the touch switch body is sealed through the cover plate, the situation that oil stains adhere to the outer surface of the touch switch body, and normal use is affected is avoided, a fixing base and a second sealing gasket are driven to move by rotating a fixing lead screw, and the second sealing gasket is matched with a first sealing gasket to completely seal the peripheral wall of the touch switch body; and under the action of the spring, the first sealing gasket and the second sealing gasket are tightly attached to the outer wall of the touch switch body, so that the touch switch body is effectively sealed, and dust and water vapor are prevented from entering the touch switch body.

Description

TECHNICAL FIELD

[0001] The utility model relates to touch switch technical field, concretely is a kind of anti-fouling touch switch. BACKGROUND

[0002] Touch switch is a kind of switch device controlled by detecting human contact or proximity.

[0003] Generally, capacitive sensing, resistance change or other touch-sensitive technology is used to detect user's touch action, when user touches or approaches touch switch surface, it can perceive this change, and trigger internal mechanism to change the state of circuit, so as to realize the function of switch, when touch switch is used in the scene of large oil fume dust, its surface will stick dirty, when human touch switch, touch switch cannot promptly deliver instruction to chip, and the switch circuit is controlled by chip, further affect the control of equipment, there is certain safety hazard, and in the scene of large oil fume dust for a long time, its oil fume dust is easy to enter touch switch, further affect normal use of touch switch, so we propose a kind of anti-fouling touch switch. SUMMARY

[0004] In view of the deficiencies of prior art, the utility model provides a kind of anti-fouling touch switch, solve the problem that when touch switch is used in the scene of large oil fume dust, its surface will stick dirty, when human touch switch, touch switch cannot promptly deliver instruction to chip, and the switch circuit is controlled by chip, further affect the control of equipment, there is certain safety hazard, and in the scene of large oil fume dust for a long time, its oil fume dust is easy to enter touch switch, further affect normal use of touch switch.

[0005] To achieve the above object, the utility model is realized by the following technical scheme: a kind of anti-fouling touch switch, including touch switch body and the protective shell of sleeve joint in the outer wall of touch switch body, the extrusion assembly and the limiting component are arranged in the protective shell, the extrusion assembly includes:

[0006] First sealing gasket is used to seal the outer wall of touch switch body;

[0007] The limiting component includes:

[0008] Second sealing gasket, the second sealing gasket is used to seal the outer wall of touch switch body with first sealing gasket, to avoid dust and moisture into touch switch body.

[0009] Preferably, the first sealing gasket is attached to the outer wall of the touch switch body, and a first shielding pad is fixedly connected to the outer wall of the first sealing gasket, and the first shielding pad is attached to the outer wall of the touch switch body.

[0010] Preferably, the outer wall of the first sealing gasket is fixedly connected with a sliding rod, and the sliding rod is slidingly connected to the inner wall of the protective shell.

[0011] Preferably, the outer peripheral wall of the sliding rod is sleeved with a spring, one end of the spring is fixedly connected with the first sealing gasket, and the other end of the sliding rod is fixedly connected with the protective shell.

[0012] Preferably, the two sides of the first sealing gasket are attached to the second sealing gasket, and the outer wall of the second sealing gasket is fixedly connected with a second shielding gasket.

[0013] Preferably, the outer wall of the second sealing gasket is fixedly connected with a fixing seat, the outer wall of the fixing seat is rotatably connected with a fixing screw rod, and the fixing screw rod is threadedly connected to the inner wall of the protective shell.

[0014] Preferably, the first shielding gasket and the second shielding gasket are attached to the touch switch body at a position provided with a heat dissipation hole.

[0015] Preferably, the protective shell is rotatably connected with a cover plate, and the cover plate is located at the front of the touch switch body and is used for protecting the touch switch body.

[0016] The utility model discloses an anti -fouling touch switch, it has the beneficial effect as follows:

[0017] The anti -fouling touch switch, through the rotation cover plate, expose touch switch body, convenient use touch switch body, when not using, through the cover plate to touch switch body is sealed, avoid touch switch body's outer surface to have oil dirt, influence normal use, through the rotation fixed screw rod drive fixed seat and second sealing gasket and move, make second sealing gasket cooperate first sealing gasket and touch switch body's outer peripheral wall completely sealed, under the action of spring, make first sealing gasket and second sealing gasket and touch switch body's outer wall attach more sealed, and then effectively seal touch switch body, avoid dust and water vapor and touch switch body in. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will be briefly introduced the drawing needed to be used in the embodiment or prior art description, obviously, the drawing in the following description only some embodiments of the utility model, for those skilled in the art, under the premise of not paying the creative labor, still can obtain other drawings according to these drawings.

[0019] Figure 1 It is the whole structure schematic diagram of the utility model;

[0020] Figure 2 It is the internal connection schematic diagram of the protective shell of the utility model.

[0021] Figure 3 It is the structure schematic diagram of the extrusion assembly of the utility model;

[0022] Figure 4 It is the structure schematic diagram of the limiting assembly of the utility model.

[0023] In the figure: 1, touch switch body; 2, protective shell; 201, cover plate; 3, extrusion assembly; 301, first sealing pad; 302, sliding rod; 303, spring; 304, first shielding pad; 4, limiting assembly; 401, second sealing pad; 402, fixed seat; 403, fixed screw; 404, second shielding pad. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model is described clearly and completely, obviously, the described embodiments are part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the scope of protection of the utility model.

[0025] The application embodiment provides a kind of anti-fouling touch switch, solve the problem that when it is used in the scene of large oil smoke dust, its surface will stick dirty, when human touch switch, touch switch cannot promptly deliver instruction to chip, and chip controls switch circuit, in turn affect the control of equipment, there is certain safety hazard, and long time in the scene of large oil smoke dust, its oil smoke dust is easy to enter touch switch, in turn affect normal use of touch switch, realize by rotating cover plate 201, touch switch body 1 is exposed, it is convenient to use touch switch body 1, when not using, touch switch body 1 is sealed by cover plate 201, avoid the outer surface of touch switch body 1 stick oil stain, affect normal use;By rotating fixed screw 403 drive fixed seat 402 and second sealing pad 401 are moved, so that second sealing pad 401 cooperates first sealing pad 301 and completely seals the outer peripheral wall of touch switch body 1, under the action of spring 303, so that first sealing pad 301 and second sealing pad 401 and the outer wall of touch switch body 1 are more sealed, in turn effectively seal touch switch body 1, avoid dust and moisture into touch switch body 1.

[0026] In order to better understand the above technical scheme, the above technical scheme will be described in detail in conjunction with the description of the drawings and specific embodiments.

[0027] The utility model embodiment discloses an anti-fouling touch switch.

[0028] Embodiment one:

[0029] According to the drawings Figures 1-4 As shown, including touch switch body 1 and cover shell 2 in touch switch body 1 peripheral wall, the cover shell 2 is provided with extrusion assembly 3 and limiting assembly 4, the extrusion assembly 3 includes:

[0030] First sealing pad 301 is used to seal the outer wall of touch switch body 1;

[0031] Limiting assembly 4 includes:

[0032] Second sealing pad 401 is used to seal the outer wall of touch switch body 1 in cooperation with first sealing pad 301, to avoid dust and water vapor into touch switch body 1.

[0033] The outer wall of first sealing pad 301 is fixedly connected with first shielding pad 304, and the outer wall of first sealing pad 301 is fixedly connected with first shielding pad 304.

[0034] The outer wall of first sealing pad 301 is fixedly connected with sliding rod 302, and the sliding rod 302 is slidingly connected to the inner wall of cover shell 2, so that the sliding of first sealing pad 301 in cover shell 2 is stable under the action of sliding rod 302.

[0035] The outer wall of sliding rod 302 is sleeved with spring 303, one end of spring 303 is fixedly connected with first sealing pad 301, the other end of sliding rod 302 is fixedly connected with cover shell 2, and first sealing pad 301 and first shielding pad 304 are closely attached to the outer wall of touch switch body 1 under the action of spring 303, so as to effectively seal touch switch body 1 and avoid dust and water vapor into touch switch body 1.

[0036] The two sides of first sealing pad 301 are attached to second sealing pad 401, and the outer wall of second sealing pad 401 is fixedly connected with second shielding pad 404.

[0037] The outer wall of second sealing pad 401 is fixedly connected with fixed seat 402, and the outer wall of fixed seat 402 is rotatably connected with fixed screw rod 403, and the fixed screw rod 403 is threadedly connected to the inner wall of cover shell 2, and the fixed seat 402 and second sealing pad 401 are moved by rotating the fixed screw rod 403, so that the second sealing pad 401 cooperates with the first sealing pad 301 to completely seal the outer peripheral wall of the touch switch body 1;

[0038] At the same time, the fixed screw rod 403 extrudes the second sealing pad 401 and the outer wall of the touch switch body 1, so as to ensure the stability of the cover shell 2 on the touch switch body 1.

[0039] The first shielding pad 304 and the second shielding pad 404 are attached to the touch switch body 1 at the positions provided with the heat dissipation holes, and by moving the protective shell 2, the first shielding pad 304 and the second shielding pad 404 in the protective shell 2 are moved to expose the heat dissipation holes on the touch switch body 1 to the outside, so that the touch switch body 1 is conveniently cooled.

[0040] Embodiment two:

[0041] The protective shell 2 is rotationally connected with a cover plate 201, the cover plate 201 is located at the front of the touch switch body 1, and is used for protecting the touch switch body 1; by rotating the cover plate 201, the touch switch body 1 is exposed, so that the touch switch body 1 is conveniently used; when not used, the touch switch body 1 is sealed by the cover plate 201, so that the outer surface of the touch switch body 1 is prevented from being adhered with oil stains and affecting normal use.

[0042] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above embodiments, and the above embodiments and the description in the specification are only for illustrating the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The protection scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An anti-fouling touch switch, comprising a touch switch body (1) and a protective shell (2) sleeved on the peripheral wall of the touch switch body (1), wherein the protective shell (2) is provided with a pressing assembly (3) and a limiting assembly (4), characterized in that, The extrusion assembly (3) comprises: A first sealing gasket (301) is used for sealing the outer wall of the touch switch body (1); The limiting assembly (4) comprises: A second sealing gasket (401) is used for cooperating with the first sealing gasket (301) to seal the outer wall of the touch switch body (1) and prevent dust and water vapor from entering the touch switch body (1).

2. The anti-fouling touch switch according to claim 1, wherein, The first sealing gasket (301) is attached to the outer wall of the touch switch body (1), and a first shielding gasket (304) is fixedly connected to the outer wall of the first sealing gasket (301), which is attached to the outer wall of the touch switch body (1).

3. The anti-fouling touch switch according to claim 2, wherein, A sliding rod (302) is fixedly connected to the outer wall of the first sealing gasket (301), and the sliding rod (302) is slidingly connected to the inner wall of the protective shell (2).

4. The anti-fouling touch switch according to claim 3, wherein, A spring (303) is sleeved on the outer peripheral wall of the sliding rod (302), one end of the spring (303) is fixedly connected to the first sealing gasket (301), and the other end of the sliding rod (302) is fixedly connected to the protective shell (2).

5. The anti-fouling touch switch according to claim 4, wherein, Both sides of the first sealing gasket (301) are attached to the second sealing gasket (401), and a second shielding gasket (404) is fixedly connected to the outer wall of the second sealing gasket (401).

6. The anti-fouling touch switch according to claim 5, wherein, A fixed seat (402) is fixedly connected to the outer wall of the second sealing gasket (401), a fixed screw rod (403) is rotatably connected to the outer wall of the fixed seat (402), and the fixed screw rod (403) is threadedly connected to the inner wall of the protective shell (2).

7. The anti-fouling touch switch according to claim 5, wherein, The first shielding gasket (304) and the second shielding gasket (404) are attached to the touch switch body (1) and are provided with heat dissipation holes.

8. The anti-fouling touch switch according to claim 1, wherein, A cover plate (201) is rotatably connected in the protective shell (2), the cover plate (201) is located on the front of the touch switch body (1), and is used for protecting the touch switch body (1).

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