Waterproof microswitch

Abstract

The utility model provides a waterproof microswitch, and belongs to the technical field of switches. Comprising a microswitch body and further comprises a waterproof mechanism, the waterproof mechanism comprises a fixed shell and a rotating shell, the fixed shell is fixed to the bottom of the microswitch body, the rotating shell is hinged to the bottom of the microswitch body, inner cavities are formed in the fixed shell and the rotating shell, and discharging holes are formed in the opposite faces of the fixed shell and the rotating shell; sealing films are fixed to the inner walls of the discharging holes correspondingly, operation holes are formed in the deviating faces of the fixed shell and the rotating shell correspondingly, and sliding grooves are formed in the sides, close to the operation holes, of the cavities correspondingly. According to the utility model, through the arrangement of the waterproof mechanism, the wiring terminal of the microswitch body is protected between the rotating shell and the fixed shell, and the gap between the rotating shell and the fixed shell is filled with the daub in the inner cavity, so that the sealing performance between the rotating shell and the fixed shell is improved, and the waterproof effect of the microswitch body is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of switches, in particular to a waterproof micro switch. Background Art

[0002] A micro switch, also known as a micro switch or a micro contact switch, is an electrical switch with a micro-action function. It controls the connection or disconnection of electrical signals through a small physical movement (such as pressing a button, squeezing a rocker, or toggling a switch, etc.). Micro switches are usually used to control the circuit switches of various electronic devices, electrical appliances, mechanical devices, etc., to achieve switching or control functions. A wiring terminal is provided at the bottom of the micro switch. During use, it is connected to the wiring terminal at the bottom through a wire. After connection, various electronic devices, etc. are controlled through the micro switch.

[0003] After the wire is connected to the wiring terminal at the bottom of the micro switch, the wiring terminal is exposed. When water comes into contact with the wiring terminal, a short circuit will occur at the connection. Therefore, this application provides a waterproof micro switch to meet the demand. Summary of the Utility Model

[0004] The technical problem to be solved by the utility model is to provide a waterproof micro switch to solve the problem of short circuit at the connection terminal when the micro switch encounters water.

[0005] To solve the above technical problem, the utility model provides the following technical solutions:

[0006] A waterproof micro switch, including a micro switch body, further including:

[0007] A waterproof mechanism, the waterproof mechanism includes a fixed shell and a rotating shell. The fixed shell is fixed at the bottom of the micro switch body, the rotating shell is hinged at the bottom of the micro switch body. Inner cavities are opened in both the fixed shell and the rotating shell. Feeding holes are opened on the opposite surfaces of the fixed shell and the rotating shell. Sealing films are fixed on the inner walls of the feeding holes. Operation holes are opened on the opposite surfaces of the fixed shell and the rotating shell. Chutes are opened on one side of the inner cavity close to the operation hole. The chutes are communicated with the inner cavity and the operation hole. The inner cavity is communicated with the feeding hole. Pressure plates are slidably connected to the inner walls of the chutes. The inner cavity is filled with clay. Upper through holes are opened at the top of the rotating shell near the hinged position. The upper through holes are communicated with the inner cavity. Fixing parts are provided at the bottoms of the fixed shell and the rotating shell for fixing the fixed shell and the rotating shell together. Semi-circular holes are opened at the bottoms of the fixed shell and the rotating shell.

[0008] Preferably, anti-slip stripes are provided on the opposite surfaces of the pressure plates.

[0009] Preferably, the fixing member includes a first fixing seat, a second fixing seat and a screw. The first fixing seat is fixed to the bottom of the fixed shell, the second fixing seat is fixed to the bottom of the rotating shell, and the first fixing seat and the second fixing seat are fixed by a screw.

[0010] Preferably, a plurality of fixing frames are fixed to the inner wall of the inner cavity, and a plurality of thorn needles penetrate through the inner walls of the fixing frames movably, and the tips of the thorn needles all face the direction of the sealing film.

[0011] Preferably, the thorn needles located in the fixed shell and the thorn needles located in the rotating shell are distributed in a vertically staggered manner.

[0012] Preferably, circular plates are fixed to the positions of the thorn needles away from the tips.

[0013] Preferably, the circular plates are concentric with the thorn needles.

[0014] Preferably, the rotation angle range of the rotating shell is from zero to one hundred and seventy degrees.

[0015] Compared with the prior art, the present utility model has at least the following beneficial effects:

[0016] In the above solution, by providing a waterproof mechanism, the wiring terminals of the microswitch body are protected between the rotating shell and the fixed shell. By filling the gap between the rotating shell and the fixed shell with the clay in the inner cavity, the sealing performance between the rotating shell and the fixed shell is increased, thereby further enhancing the waterproof effect of the microswitch body.

[0017] By providing the fixing frames and the thorn needles, when the clay moves under the extrusion of an external force, the clay will drive the thorn needles to move towards the direction of the sealing film, and the sealing film will be punctured by the thorn needles, making it easier to remove the clay. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The drawings incorporated herein and constituting a part of the specification illustrate embodiments of the present disclosure, and together with the specification are further used to explain the principles of the present disclosure and enable those skilled in the relevant art to implement and use the present disclosure.

[0019] Figure 1 It is a schematic three-dimensional structure diagram of the whole of the present utility model;

[0020] Figure 2 It is a schematic three-dimensional structure diagram of the waterproof mechanism of the present utility model;

[0021] Figure 3 It is a schematic three-dimensional structure diagram of the bottom of the fixed shell and the rotating shell of the present utility model;

[0022] Figure 4 It is a sectional view of the fixed shell and the rotating shell of the present utility model;

[0023] Figure 5 For the present utility modelFigure 4 Enlarged view of the structure at A in the middle;

[0024] Figure 6 Schematic diagram of the structure at the fixing bracket of the present utility model.

[0025] [Reference numerals]

[0026] 1. Microswitch body; 2. Waterproof mechanism; 201. Fixed shell; 202. Rotating shell; 203. Inner cavity; 204. Operation hole; 205. Chute; 206. Pressure plate; 207. Discharge hole; 208. Upper through hole; 209. Sealing film; 210. First fixing seat; 211. Second fixing seat; 212. Screw; 3. Fixing bracket; 4. Pricking needle; 5. Circular plate.

[0027] As shown in the figure, in order to clearly implement the structure of the embodiments of the present utility model, specific structures and devices are marked in the figure, but this is only for schematic needs and is not intended to limit the present utility model to this specific structure, device and environment. According to specific needs, those of ordinary skill in the art can adjust or modify these devices and environments, and the adjustments or modifications still fall within the scope of the appended claims. Detailed implementation manners

[0028] The following describes in detail a waterproof microswitch provided by the present utility model in conjunction with the accompanying drawings and specific embodiments. At the same time, it should be noted here that in order to make the embodiments more detailed, the following embodiments are the best and preferred embodiments. For some well-known technologies, those skilled in the art can also adopt other alternative methods for implementation; moreover, the accompanying drawings are only for more specifically describing the embodiments and are not intended to specifically limit the present utility model.

[0029] It should be noted that in the specification, when referring to "one embodiment", "embodiment", "exemplary embodiment", "some embodiments", etc., it indicates that the described embodiment may include specific features, structures or characteristics, but not necessarily every embodiment includes such specific features, structures or characteristics. Additionally, when combining an embodiment to describe a specific feature, structure or characteristic, implementing such feature, structure or characteristic in combination with other embodiments (whether explicitly described or not) should be within the knowledge of those skilled in the relevant art.

[0030] Generally, terms can be understood, at least in part, from their use in context. For example, at least in part depending on the context, the term "one or more" as used herein can be used to describe any feature, structure or characteristic in a singular sense, or can be used to describe a combination of features, structures or characteristics in a plural sense. Additionally, the term "based on" can be understood as not necessarily intended to convey a set of exclusive factors, but rather, at least in part depending on the context, can allow for the existence of other factors that may not be explicitly described.

[0031] As shown in Figures 1-5 the figure, an embodiment of the present utility model provides a waterproof microswitch, including a microswitch body 1, and further including:

[0032] A waterproof mechanism 2, the waterproof mechanism 2 includes a fixed shell 201 and a rotating shell 202. The fixed shell 201 is fixed to the bottom of the microswitch body 1, the rotating shell 202 is hinged to the bottom of the microswitch body 1. Inner cavities 203 are provided inside both the fixed shell 201 and the rotating shell 202. Material discharge holes 207 are provided on the opposite surfaces of the fixed shell 201 and the rotating shell 202. Sealing films 209 are fixed on the inner walls of the material discharge holes 207. The sealing films 209 are plastic films. Operation holes 204 are provided on the opposite surfaces of the fixed shell 201 and the rotating shell 202. Chutes 205 are provided on one side of the inner cavity 203 close to the operation holes 204. The chutes 205 communicate with the inner cavity 203, the chutes 205 communicate with the operation holes 204, and the inner cavity 203 communicates with the material discharge holes 207. Pressure plates 206 are slidably connected to the inner walls of the chutes 205. The inner cavity 203 is filled with clay. The clay is organic clay. After being filled in the gaps, it has the effects of waterproofing and fireproofing. An upper through hole 208 is provided at the top of the rotating shell 202 near the hinged position. A plastic film and a thorn 4 can also be provided in the upper through hole 208. By providing the plastic film, external air cannot enter the inner cavity 203, avoiding the clay from being dried out when not in use. The upper through hole 208 communicates with the inner cavity 203. Fixing members are provided at the bottoms of the fixed shell 201 and the rotating shell 202. The fixing members are used to fix the fixed shell 201 and the rotating shell 202 together. Semi-circular holes are provided at the bottoms of the fixed shell 201 and the rotating shell 202.

[0033] As shown in Figure 4 the figure, in this embodiment, anti-slip stripes are provided on the opposite surfaces of the pressure plates 206. The anti-slip stripes increase the contact surface with the fingers and prevent slipping.

[0034] As shown in Figure 5 the figure, in this embodiment, the fixing member includes a first fixing seat 210, a second fixing seat 211 and a screw 212. The first fixing seat 210 is fixed to the bottom of the fixed shell 201, the second fixing seat 211 is fixed to the bottom of the rotating shell 202. The first fixing seat 210 and the second fixing seat 211 are fixed together by the screw 212. After the rotating shell 202 rotates on the fixed shell 201, the two are fixed by the fixing member.

[0035] As shown in Figure 5 the figure, in this embodiment, a plurality of fixing frames 3 are fixed to the inner walls of the inner cavity 203. Thorns 4 penetrate through the inner walls of the plurality of fixing frames 3 movably. The tips of the thorns 4 face the direction of the sealing film 209. The sealing film 209 can be quickly punctured by the thorns 4 to facilitate the flow of the clay.

[0036] As shown inFigure 5 As shown, in this embodiment, the lancets 4 located within the fixed housing 201 and the lancets 4 located within the rotating housing 202 are vertically offset to avoid contact between the lancets 4 on both sides.

[0037] As Figure 5 shown, in this embodiment, circular plates 5 are fixed at positions of the lancets 4 away from the tips. The circular plates 5 increase the contact area with the clay, making it easier for the clay to drive the movement of the lancets 4.

[0038] As Figure 5 shown, in this embodiment, the circular plates 5 are concentrically arranged with the lancets 4, making the movement of the circular plates 5 driving the lancets 4 more stable during the process.

[0039] As Figure 1 shown, in this embodiment, the rotation angle range of the rotating housing 202 is from zero to one hundred and seventy degrees. After the rotating housing 202 is turned upwards, it is convenient to connect the wire to the terminal at the bottom of the microswitch body 1.

[0040] Working principle: After the microswitch body 1 is fixed, connect the wire to the terminal at the bottom of the microswitch body 1. After the wire is connected, rotate the rotating housing 202 on the surface of the fixed housing 201 through the hinge. At this time, the wire is located within the semi-circular holes of the fixed housing 201 and the rotating housing 202. Then, pass the screw 212 through the second fixing base 211 and screw the screw 212 onto the first fixing base 210 to fix between the fixed housing 201 and the rotating housing 202;

[0041] When the fixed housing 201 and the rotating housing 202 are fixed, pinch the surface of the pressing plate 206 through the operation hole 204 with a finger and press the pressing plate 206 in the opposite direction. The pressing plate 206 slides on the inner wall of the sliding groove 205, increasing the pressure within the inner cavity 203. Thus, the clay within the inner cavity 203 moves towards the material outlet hole 207. During the movement of the clay, it drives the circular plate 5 towards the sealing film 209, and the lancet 4 slides on the inner wall of the fixing bracket 3. When the lancet 4 contacts the sealing film 209, the lancet 4 pierces the sealing film 209, enabling the clay to enter the gap between the fixed housing 201 and the rotating housing 202. The gap between the fixed housing 201 and the rotating housing 202 is filled with the clay, increasing the sealing performance between the fixed housing 201 and the rotating housing 202. Moreover, a part of the clay moves upwards through the upper through-hole 208, improving the sealing performance between the rotating housing 202 and the bottom of the microswitch body 1. After that, during the use of the microswitch body 1, through the protection of the fixed housing 201 and the rotating housing 202, it is possible to prevent water from contacting the terminal and avoid the occurrence of a short-circuit phenomenon.

[0042] The present utility model covers any alternatives, modifications, equivalent methods, and solutions made to the essence and scope of the present utility model. For the public to have a thorough understanding of the present utility model, specific details have been described in detail in the above preferred embodiments of the present utility model. However, those skilled in the art can also fully understand the present utility model without the description of these details.

[0043] The above description is only the preferred embodiment of the present utility model. It should be noted that for those of ordinary skill in the art, without departing from the principle of the present utility model, several improvements and refinements can be made, and these improvements and refinements should also be regarded as the protection scope of the present utility model.

Claims

1. A waterproof micro switch, comprising a micro switch body (1), characterized in that: Also includes: A waterproof mechanism (2), the waterproof mechanism (2) comprising a fixed shell (201) and a rotating shell (202), the fixed shell (201) being fixed to the bottom of the micro switch body (1), the rotating shell (202) being hinged to the bottom of the micro switch body (1), the fixed shell (201) and the rotating shell (202) both having inner cavities (203) therein, the fixed shell (201) and the rotating shell (202) both having discharging holes (207) therein on facing surfaces, the inner walls of the discharging holes (207) both having sealing films (209) fixed thereon, the facing surfaces of the fixed shell (201) and the rotating shell (202) both having operating holes (204), and the inner cavity (203) having a side close to the operating hole (204) therein having a sliding groove (203) therein. 05), the chute (205) is connected to the inner cavity (203), the chute (205) is connected to the operating hole (204), the inner cavity (203) is connected to the discharge hole (207), the inner wall of the chute (205) is slidably connected with a pressure plate (206), the inner cavity (203) is filled with clay, an upper through hole (208) is opened near the hinge position at the top of the rotating shell (202), the upper through hole (208) is connected to the inner cavity (203), the fixed shell (201) and the rotating shell (202) are provided with fixing parts at the bottom, the fixing parts are used to fix the fixed shell (201) and the rotating shell (202) together, and the bottom of the fixed shell (201) and the rotating shell (202) are both provided with semicircular holes.

2. The waterproof micro switch according to claim 1, characterized in that: The facing away surface of the pressing plate (206) is provided with anti-slip stripes.

3. The waterproof micro switch according to claim 1, characterized in that: The fixing member comprises a fixing seat 1 (210), a fixing seat 2 (211) and a screw (212); the fixing seat 1 (210) is fixed to the bottom of the fixing shell (201); the fixing seat 2 (211) is fixed to the bottom of the rotating shell (202); and the fixing seat 1 (210) and the fixing seat 2 (211) are fixed by means of the screw (212).

4. The waterproof micro switch according to claim 1, characterized in that: A plurality of fixing frames (3) are fixed to the inner wall of the inner cavity (203), and a plurality of pricking needles (4) are movably penetrated through the inner walls of the plurality of fixing frames (3), with the tips of the pricking needles (4) facing the sealing film (209).

5. The waterproof micro switch according to claim 4, characterized in that: The needles (4) located in the fixed shell (201) and the needles (4) located in the rotating shell (202) are staggered in vertical distribution.

6. The waterproof micro switch according to claim 4, characterized in that: A circular plate (5) is fixed to each of the puncture needles (4) at a position away from the tip.

7. The waterproof micro switch according to claim 6, characterized in that: The circular plate (5) is arranged concentrically with the puncture needle (4).

8. The waterproof micro switch according to claim 1, characterized in that: The rotation angle range of the rotating shell (202) is from zero to one hundred and seventy degrees.

Images