CN220873451U - Waterproof type touch switch and electronic key - Google Patents

Abstract

The application provides a waterproof type touch switch and an electronic key. The waterproof tact switch comprises a switch main body, a base, a pressing component, an upper cover and a button, wherein the switch main body comprises a terminal and an elastic sheet; the base is provided with a containing groove, the terminal is covered and molded at the bottom of the containing groove, the elastic sheet is arranged in the containing groove, each corner of the base is provided with a connecting bulge, and a clearance channel is formed between two adjacent connecting bulges; the pressing assembly comprises an elastic pressing column and a waterproof block, a plurality of bump waterproof parts are arranged on the periphery of the waterproof block, the bump waterproof parts are arranged in one-to-one correspondence with the plurality of avoidance channels, and each bump waterproof part is abutted to the peripheral wall of the corresponding avoidance channel so that the waterproof block covers and seals the accommodating groove. Through setting up the subassembly of pressing between upper cover and base, utilize the waterproof piece of pressing the subassembly to cover the holding tank and establish and seal, avoid moisture in the air to get into in the holding tank, cause the problem of circuit short circuit and switch failure, guarantee waterproof type tact switch's normal use.

Description

Waterproof type touch switch and electronic key

Technical Field

The utility model relates to the technical field of switches, in particular to a waterproof touch switch and an electronic key.

Background

Nowadays, portable electronic products such as mobile phones, headphones, bluetooth or tablet computers in the market are provided with keys, such as a power key, a volume control key or a shutter key, and the above-mentioned various keys mainly rely on a tact switch arranged on a main board to realize corresponding functions.

As shown in fig. 1, the conventional tact switch mainly comprises a base, a button and a cover plate, wherein the cover plate is provided with a through hole, the button is matched with the through hole, the tact switch is pressed by the button to press an elastic sheet on the base, and the on-off is realized by the forced spring of the elastic sheet. Wherein, dab the switch and belong to assembled structure, button and apron adopt the mode of joint to connect, have the gap between button and the apron to the apron can be dismantled and be connected in the base, make also have certain gap between apron and the base, lead to moisture in the air to enter into inside the switch from above-mentioned gap easily, cause circuit short circuit, lead to dab the switch malfunction, influence its normal use, and bring the potential safety hazard.

Disclosure of utility model

The utility model aims to overcome the defects in the prior art and provides a waterproof type tact switch and an electronic key, wherein the waterproof block is used for covering and sealing a containing groove of a base, so that the problems of circuit short circuit and switch failure caused by the fact that a switch main body in the containing groove is corroded and damaged by moisture in air are avoided.

The aim of the utility model is realized by the following technical scheme:

A waterproof type tact switch comprises a switch main body, a base, a pressing component, an upper cover and a button, wherein the switch main body comprises a terminal and an elastic piece; the base is provided with a containing groove, the terminal is molded at the bottom of the containing groove, the elastic sheet is arranged in the containing groove and is abutted against the terminal, each corner of the base is provided with a connecting protrusion, a plurality of connecting protrusions are arranged around the containing groove, and a clearance channel is formed between every two adjacent connecting protrusions; the pressing assembly comprises an elastic pressing column and a waterproof block, wherein a plurality of bump waterproof parts are arranged on the periphery of the waterproof block, the bump waterproof parts are arranged in one-to-one correspondence with the avoidance channels, and each bump waterproof part is abutted against the peripheral wall of the corresponding avoidance channel so as to cover and seal the containing groove; the second end of the elastic pressing column is connected with the waterproof block in a penetrating way, and the second end of the elastic pressing column is abutted with the elastic sheet; the upper cover is provided with an opening and a covering groove which are communicated with each other, each corner of the upper cover is provided with a connecting convex edge, a plurality of connecting convex edges are arranged around the covering groove, the upper cover is abutted to one side of the waterproof block, which is away from the base, and the connecting convex edges are correspondingly connected with the connecting protrusions one by one, so that the first ends of the elastic pressing columns are accommodated in the covering groove; the first end of the button is arranged on the opening in a penetrating mode, the second end of the button is connected to the first end of the elastic pressing column in an end cover mode, and the second end of the button is connected to the inner peripheral wall of the cover groove in a sliding mode.

In one embodiment, each of the connecting flanges is detachably connected to the corresponding connecting protrusion.

In one embodiment, the waterproof tact switch further includes a plurality of screw posts, each of the connection flanges is formed with a through hole, each of the connection protrusions is formed with a screw hole, the plurality of screw holes are arranged in one-to-one correspondence with the plurality of through holes, and one screw post is inserted into one through hole and screwed to the inner wall of the corresponding screw hole.

In one embodiment, the elastic pressing column and the waterproof block are of an integrally formed structure.

In one embodiment, the elastic pressing column is a silica gel column, and the waterproof block is a silica gel block.

In one embodiment, the inner peripheral wall of the covering groove is formed with a plurality of limiting sliding grooves, the second end of the button is provided with a plurality of sliding flanges, the sliding flanges and the limiting sliding grooves are arranged in one-to-one correspondence, and each sliding flange is in sliding connection with the inner wall of the corresponding limiting sliding groove.

In one embodiment, the second end of the button is formed with a cover groove, the first end of the elastic pressing column is clamped to the inner wall of the cover groove, and the sliding flanges are arranged around the cover groove.

In one embodiment, the entire body of the button abuts the inner peripheral wall of the opening.

In one embodiment, the upper cover is a plastic cover, and the base is a plastic base.

An electronic key, comprising a main board and the waterproof tact switch according to any of the above embodiments.

Compared with the prior art, the utility model has the following advantages:

1. Through setting up the pressing component between upper cover and base, utilize the waterproof piece in the pressing component to cover and establish and seal the holding tank, the waterproof piece plays better waterproof effect to the switch body in the holding tank to avoid the moisture in the air to get into in the holding tank, cause the problem of circuit short circuit and switch failure, thereby ensure the normal use of waterproof type tact switch, and reduce the potential safety hazard;

2. The first end of the button is pressed, so that the second end of the button slides along the inner peripheral wall of the covering groove, pressure is applied to the first end of the elastic pressing column, the second end of the elastic pressing column presses the elastic sheet, the elastic sheet is stressed to conduct the terminal, the setting of the elastic pressing column increases the trigger stroke of the switch main body, the trigger stroke of the switch main body is regulated by the application of force of a user, and the user can press the elastic pressing column through the button according to the use requirement so as to conduct or break the terminal;

3. Because the elastic pressing column has elastic deformation capability, when the force applied by a user is too small, the situation that the elastic pressing column presses the elastic sheet cannot be caused, and the waterproof type touch switch has a good false triggering effect.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a conventional tact switch;

FIG. 2 is a schematic diagram of a waterproof tact switch in an embodiment;

FIG. 3 is a cross-sectional view of the waterproof tact switch of FIG. 2 taken along line A-A;

FIG. 4 is an exploded view of the waterproof tact switch of FIG. 2;

Fig. 5 is a schematic structural view of an upper cover of the waterproof tact switch shown in fig. 4;

Fig. 6 is a schematic view of the structure of the button in the waterproof tact switch shown in fig. 4.

Detailed Description

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. The drawings illustrate preferred embodiments of the utility model. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

The application provides a waterproof tact switch which comprises a switch main body, a base, a pressing component, an upper cover and a button, wherein the switch main body comprises a terminal and a spring piece; the base is provided with a containing groove, the terminal is molded at the bottom of the containing groove, the elastic sheet is arranged in the containing groove and is abutted against the terminal, each corner of the base is provided with a connecting protrusion, a plurality of connecting protrusions are arranged around the containing groove, and a clearance channel is formed between every two adjacent connecting protrusions; the pressing assembly comprises an elastic pressing column and a waterproof block, wherein a plurality of bump waterproof parts are arranged on the periphery of the waterproof block, the bump waterproof parts are arranged in one-to-one correspondence with the avoidance channels, and each bump waterproof part is abutted against the peripheral wall of the corresponding avoidance channel so as to cover and seal the containing groove; the second end of the elastic pressing column is connected with the waterproof block in a penetrating way, and the second end of the elastic pressing column is abutted with the elastic sheet; the upper cover is provided with an opening and a covering groove which are communicated with each other, each corner of the upper cover is provided with a connecting convex edge, a plurality of connecting convex edges are arranged around the covering groove, the upper cover is abutted to one side of the waterproof block, which is away from the base, and the connecting convex edges are correspondingly connected with the connecting protrusions one by one, so that the first ends of the elastic pressing columns are accommodated in the covering groove; the first end of the button is arranged on the opening in a penetrating mode, the second end of the button is connected to the first end of the elastic pressing column in an end cover mode, and the second end of the button is connected to the inner peripheral wall of the cover groove in a sliding mode.

In order to better understand the technical scheme and beneficial effects of the present application, the following describes the present application in further detail with reference to specific embodiments:

Referring to fig. 2 to 6, a waterproof tact switch 10 according to an embodiment of the utility model includes a switch body 100, a base 200, a pressing component 300, an upper cover 400 and a button 500, wherein the switch body 100 includes a terminal 110 and a spring 120; the base 200 is formed with a receiving groove 201, the terminal 110 is overmolded at the bottom of the receiving groove 201, the elastic sheet 120 is disposed in the receiving groove 201, the elastic sheet 120 abuts against the terminal 110, each corner of the base 200 is provided with a connecting protrusion 210, a plurality of connecting protrusions 210 are disposed around the receiving groove 201, and a space avoiding channel 202 is formed between two adjacent connecting protrusions 210; the pressing assembly 300 includes an elastic pressing column 310 and a waterproof block 320, wherein a plurality of bump waterproof portions 322 are provided at the periphery of the waterproof block 320, the bump waterproof portions 322 are disposed in one-to-one correspondence with the plurality of avoidance channels 202, and each bump waterproof portion 322 abuts against the peripheral wall of the corresponding avoidance channel 202, so that the waterproof block 320 covers and seals the accommodating groove 201; the second end of the elastic pressing column 310 is connected to the waterproof block 320 in a penetrating manner, and the second end of the elastic pressing column 310 abuts against the elastic sheet 120; the upper cover 400 is formed with an opening 401 and a covering groove 402 that are mutually communicated, each corner of the upper cover 400 is provided with a connecting convex edge 410, a plurality of connecting convex edges 410 are arranged around the covering groove 402, the upper cover 400 is abutted against one side of the waterproof block 320, which is away from the base 200, and the plurality of connecting convex edges 410 are correspondingly connected with the plurality of connecting protrusions 210 one by one, so that the first ends of the elastic pressing columns 310 are accommodated in the covering groove 402; the first end of the button 500 is disposed through the opening 401, the second end of the button 500 is disposed at the first end of the elastic pressing column 310, and the second end of the button 500 is slidably connected to the inner peripheral wall of the covering groove 402.

In this embodiment, the base 200 is formed with a receiving groove 201, the terminal 110 is molded at the bottom of the receiving groove 201, the elastic sheet 120 is disposed in the receiving groove 201 and abuts against the terminal 110, each corner of the base 200 is provided with a connecting protrusion 210, and a space avoiding channel 202 is formed between two adjacent connecting protrusions 210; the pressing assembly 300 includes an elastic pressing column 310 and a waterproof block 320, wherein a plurality of bump waterproof portions 322 are provided at the periphery of the waterproof block 320, each bump waterproof portion 322 is abutted against the peripheral wall of the corresponding space-avoiding channel 202, so that the waterproof block 320 covers and seals the accommodating groove 201, at this time, the second end of the elastic pressing column 310 is connected to the waterproof block 320 in a penetrating manner, and the second end of the elastic pressing column 310 is abutted against the elastic sheet 120; then, the button 500 is assembled with the upper cover 400, specifically, the upper cover 400 is formed with an opening 401 and a covering groove 402 which are communicated with each other, a first end of the button 500 is penetrated through the opening 401, and a second end of the button 500 is slidably connected with an inner peripheral wall of the covering groove 402; next, the upper cover 400 is placed on the waterproof block 320, so that the first end of the elastic pressing column 310 is accommodated in the covering groove 402, and the second end cover of the button 500 is connected to the first end of the elastic pressing column 310; finally, since the connection flanges 410 are provided at the corners of the upper cover 400, the connection flanges 410 are provided in one-to-one correspondence with the connection protrusions 210, and the upper cover 400 is fixedly connected with the base 200 by connecting the connection flanges 410 with the connection protrusions 210, thereby completing the assembly of the waterproof tact switch 10 of the present application.

In this embodiment, by arranging the pressing assembly 300 between the upper cover 400 and the base 200, the accommodating groove 201 is covered and sealed by the waterproof block 320 in the pressing assembly 300, and the waterproof block 320 has a better waterproof effect on the switch body in the accommodating groove 201, so as to avoid the problems of circuit short circuit and switch failure caused by the moisture in the air entering the accommodating groove 201, thereby ensuring the normal use of the waterproof tact switch 10 and reducing the potential safety hazard; by pressing the first end of the button 500, the second end of the button 500 slides along the inner peripheral wall of the covering groove 402, and applies pressure to the first end of the elastic pressing column 310, so that the second end of the elastic pressing column 310 presses the elastic sheet 120, the elastic sheet 120 is stressed to turn on the terminal 110, thus the setting of the elastic pressing column 310 increases the trigger stroke of the switch main body 100, and the trigger stroke of the switch main body 100 is regulated by the application of force of a user, and the user can press the elastic pressing column 310 through the button 500 according to the use requirement to realize the on or off of the terminal 110; because the elastic pressing column 310 has elastic deformation capability, when the force applied by the user is too small, the elastic pressing column 310 cannot press the elastic sheet 120, so that the waterproof tact switch 10 has a better false triggering effect.

In one embodiment, referring to fig. 4, each of the connecting flanges 410 is detachably connected to the corresponding connecting protrusion 210. In this manner, the mounting or dismounting operation of the upper cover 400 and the base 200 is facilitated.

Further, referring to fig. 4, the waterproof tact switch 10 further includes a plurality of screw posts 600, each of the connecting flanges 410 is formed with a through hole 4101, each of the connecting protrusions 210 is formed with a screw hole 2101, the plurality of screw holes 2101 are disposed in one-to-one correspondence with the plurality of through holes 4101, and one of the screw posts 600 is disposed through one of the through holes 4101 and screwed to the inner wall of the corresponding screw hole 2101. In this embodiment, each screw post 600 is inserted through a through hole 4101 and screwed to the inner wall of the corresponding screw hole 2101, so that each connecting convex edge 410 is firmly connected with the corresponding connecting protrusion 210, and the waterproof block 320 is firmly and limitedly accommodated between the upper cover 400 and the base 200, so that the waterproof block 320 has a better waterproof effect on the switch body in the accommodating groove 201, and moisture in air is prevented from entering the accommodating groove 201.

In one embodiment, referring to fig. 4, the elastic pressing column 310 and the waterproof block 320 are integrally formed. Thus, the structural strength of the pressing assembly 300 is enhanced, and the production efficiency of the pressing assembly 300 is improved.

In one embodiment, the elastic pressing column is a silica gel column, and the waterproof block is a silica gel block. Thus, the waterproof block and the elastic pressing column are ensured to have good waterproof performance.

In one embodiment, referring to fig. 5 and 6, a plurality of limiting sliding grooves 403 are formed on the inner peripheral wall of the covering groove 402, a plurality of sliding flanges 510 are disposed at the second end of the button 500, the sliding flanges 510 are disposed in one-to-one correspondence with the plurality of limiting sliding grooves 403, and each sliding flange 510 is slidably connected to the inner wall of the corresponding limiting sliding groove 403. In this embodiment, by pressing the button 500, each sliding flange 510 slides on the inner wall of the corresponding limit sliding groove 403, so that the elastic pressing column 310 is stressed and acts on the spring plate 120, and the terminal 110 is further conducted.

In one embodiment, referring to fig. 6, a cover groove 501 is formed at the second end of the button 500, the first end of the elastic pressing column 310 is clamped to the inner wall of the cover groove 501, and a plurality of sliding flanges 510 are disposed around the cover groove 501. In the present embodiment, the first end of the elastic pressing column 310 is engaged with the inner wall of the cover groove 501, so that the second end of the button 500 is connected to the first end of the elastic pressing column 310.

In one embodiment, referring to fig. 3 and 4, the entire body of the button 500 abuts against the inner peripheral wall of the opening 401. In this way, the gap between the whole body of the button 500 and the inner peripheral wall of the opening 401 is reduced, which is beneficial to reducing dust, impurities and the like entering the waterproof tact switch 10, and avoiding the problem of dust accumulation in the waterproof tact switch 10.

In one embodiment, the upper cover is a plastic cover, and the base is a plastic base.

The utility model also provides an electronic key, which comprises a main board and the waterproof type tact switch according to any one of the embodiments.

Compared with the prior art, the utility model has the following advantages:

1. By arranging the pressing assembly 300 between the upper cover 400 and the base 200, the accommodating groove 201 is covered and sealed by the waterproof block 320 in the pressing assembly 300, and the waterproof block 320 has a good waterproof effect on the switch body in the accommodating groove 201, so that the problems of circuit short circuit and switch failure caused by water in the air entering the accommodating groove 201 are avoided, the normal use of the waterproof tact switch 10 is ensured, and the potential safety hazard is reduced;

2. by pressing the first end of the button 500, the second end of the button 500 slides along the inner peripheral wall of the covering groove 402, and applies pressure to the first end of the elastic pressing column 310, so that the second end of the elastic pressing column 310 presses the elastic sheet 120, the elastic sheet 120 is stressed to turn on the terminal 110, thus the setting of the elastic pressing column 310 increases the trigger stroke of the switch main body 100, and the trigger stroke of the switch main body 100 is regulated by the application of force of a user, and the user can press the elastic pressing column 310 through the button 500 according to the use requirement to realize the on or off of the terminal 110;

3. because the elastic pressing column 310 has elastic deformation capability, when the force applied by the user is too small, the elastic pressing column 310 cannot press the elastic sheet 120, so that the waterproof tact switch 10 has a better false triggering effect.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (10)

1. A waterproof tact switch, comprising:

the switch comprises a switch body, a switch cover and a switch cover, wherein the switch body comprises a terminal and a spring plate;

The base is provided with a containing groove, the terminal is molded at the bottom of the containing groove, the elastic sheet is arranged in the containing groove and is abutted against the terminal, each corner of the base is provided with a connecting protrusion, a plurality of connecting protrusions are arranged around the containing groove, and a clearance channel is formed between every two adjacent connecting protrusions;

The pressing assembly comprises an elastic pressing column and a waterproof block, a plurality of bump waterproof parts are arranged on the periphery of the waterproof block, the bump waterproof parts are arranged in one-to-one correspondence with the avoidance channels, and each bump waterproof part is abutted against the peripheral wall of the corresponding avoidance channel so that the waterproof block covers and seals the accommodating groove; the second end of the elastic pressing column is connected with the waterproof block in a penetrating way, and the second end of the elastic pressing column is abutted with the elastic sheet;

The upper cover is provided with an opening and a covering groove which are communicated with each other, each corner of the upper cover is provided with a connecting convex edge, a plurality of connecting convex edges are arranged around the covering groove, the upper cover is abutted to one side of the waterproof block, which is away from the base, and the connecting convex edges are in one-to-one correspondence connection with the connecting protrusions, so that the first ends of the elastic pressing columns are accommodated in the covering groove;

the first end of the button is arranged on the opening in a penetrating mode, the second end of the button is connected to the first end of the elastic pressing column in an end cover mode, and the second end of the button is connected to the inner peripheral wall of the cover groove in a sliding mode.

2. The waterproof tact switch of claim 1, wherein each of the connection flanges is detachably connected to the corresponding connection protrusion.

3. The waterproof tact switch according to claim 2, further comprising a plurality of screw posts, wherein each of the connecting flanges is formed with a through hole, each of the connecting protrusions is formed with a screw hole, the screw holes are arranged in one-to-one correspondence with the through holes, and one of the screw posts is inserted into one of the through holes and screwed to the inner wall of the corresponding screw hole.

4. The waterproof tact switch according to claim 1, wherein the elastic pressing column and the waterproof block are of an integrally formed structure.

5. The waterproof tact switch of claim 1, wherein the elastic pressing column is a silica gel column and the waterproof block is a silica gel block.

6. The waterproof tact switch according to claim 1, wherein a plurality of limit sliding grooves are formed in an inner peripheral wall of the housing groove, a plurality of sliding flanges are arranged at a second end of the button, the sliding flanges are arranged in one-to-one correspondence with the limit sliding grooves, and each sliding flange is slidably connected to an inner wall of the corresponding limit sliding groove.

7. The waterproof tact switch according to claim 6, wherein the second end of the button is formed with a cover groove, the first end of the elastic pressing column is clamped to the inner wall of the cover groove, and the sliding flanges are arranged around the cover groove.

8. The waterproof tact switch of claim 1, wherein the entire body of the button abuts an inner peripheral wall of the opening.

9. The waterproof tact switch of claim 1, wherein the upper cover is a plastic cover and the base is a plastic base.

10. An electronic key comprising a main board and the waterproof tact switch according to any one of claims 1 to 9.