CN215731408U

CN215731408U - Key switch

Info

Publication number: CN215731408U
Application number: CN202121447620.1U
Authority: CN
Inventors: 梁丰
Original assignee: Suzhou Mingwei Electronics Co ltd
Current assignee: Shanghai Xinxiang Intelligent Technology Co.,Ltd.
Priority date: 2021-06-28
Filing date: 2021-06-28
Publication date: 2022-02-01
Anticipated expiration: 2031-06-28

Abstract

The utility model relates to the technical field of frame equipment, in particular to a key switch, which comprises a switch box, wherein sealing devices are fixedly arranged on two sides of an inner cavity of the switch box, a drainage device is fixedly arranged on one side, opposite to the two sealing devices, of the inner cavity of the switch box, the sealing device comprises a sealing box, a U-shaped groove is formed in the inner cavity of the sealing box, a piston is slidably arranged in the inner cavity of the U-shaped groove, a rubber push block is fixedly arranged on the right side of the piston, a pressing block is movably arranged on the top of the switch box, a telescopic rod is fixedly arranged at the bottom of the pressing block, when the key switch is used in a humid environment, the key switch can be prevented from being used safely in the humid using environment by adopting a waterproof sealing design, a waterproof effect is achieved, and meanwhile, water drops enter the key switch along with the telescopic rod when the key switch is not noticed, can discharge the inside drop of water, and easy operation, it is convenient to install.

Description

Key switch

Technical Field

The utility model relates to the technical field of electrical equipment, in particular to a key switch.

Background

Key switch is a simple structure, use very extensive master command electrical apparatus, in electric automatic control circuit, be used for the manual control signal that sends with control contactor, a relay, electromagnetic starter etc, the scheme that current key switch will realize that water-proof effects often adopts is outside waterproof, increase the waterproof material layer also promptly on the panel, be unfavorable for long-time to key switch waterproof, when user of service presses key switch in moist environment, the user of service hand is stained with the drop of water easily, thereby lead to the drop of water to flow into key switch easily, make key switch produce the damage.

Disclosure of Invention

In view of the above problems in the prior art, a key switch is provided.

The specific technical scheme is as follows: prevent inside the drop of water gets into key switch, inside the drop of water followed the telescopic link and got into key switch when careless, can discharge inside the drop of water, and easy operation, it is convenient to install.

The design is a key switch which comprises a switch box, wherein sealing devices are fixedly mounted on two sides of an inner cavity of the switch box, and drainage equipment is fixedly mounted on two sides of the inner cavity of the switch box and located on the opposite side of the two sealing devices.

Preferably, the sealing device comprises a sealing box, and a U-shaped groove is formed in the inner cavity of the sealing box.

Preferably, the piston is slidably mounted in the inner cavity of the U-shaped groove, and a rubber push block is fixedly mounted on the right side of the piston.

Preferably, the top of the switch box is movably provided with a pressing block, and the bottom of the pressing block is fixedly provided with a telescopic rod.

Preferably, the bottom of telescopic link runs through the switch box and extends to the inside of switch box, the equal fixed mounting in both sides of telescopic link surface has the baffle.

Preferably, the outer surfaces of the two baffles are clamped with the outer surface of the rubber push block, and the drainage device comprises a fixed block.

Preferably, a concave chute is formed in the right side of the fixing block, and a rubber block is slidably mounted on the inner wall of the concave chute.

Preferably, the right side of the rubber block is fixedly provided with a connecting block, and the right side of the connecting block is fixedly connected with the outer surface of the telescopic rod.

Preferably, the front and the back of fixed block all communicate the drain pipe, two the inside that the fixed block and extend to the fixed block is all run through to the one side that the drain pipe is relative.

Preferably, two one side that the drain pipe is relative all with the inside fixed connection of concave spout, the left side of fixed block and the right side fixed connection of seal box.

The technical scheme has the following advantages or beneficial effects: when using under moist environment, through adopting waterproof sealing's design, can avoid the safe in utilization of button switch in moist service environment, played waterproof effect, inside the drop of water follows the telescopic link and gets into button switch when not paying attention to simultaneously, can discharge the drop of water of inside, and easy operation, it is convenient to install.

Drawings

Embodiments of the present invention will now be described more fully hereinafter with reference to the accompanying drawings. The drawings are, however, to be regarded as illustrative and explanatory only and are not restrictive of the scope of the utility model.

FIG. 1 is a perspective view of the external structure of the present invention;

FIG. 2 is a longitudinal plan view of the internal structure of the sealing device of the present invention;

FIG. 3 is a perspective view of the external structure of the drainage apparatus of the present invention;

FIG. 4 is an enlarged view of the drainage apparatus A of the present invention;

the above reference numerals denote: 1. a switch box; 2. a sealing device; 3. a drainage facility; 21. a sealing box; 22. a U-shaped groove; 23. a piston; 24. a rubber push block; 4. a pressing block; 5. a telescopic rod; 6. a baffle plate; 31. a fixed block; 32. a concave chute; 33. a rubber block; 34. connecting blocks; 35. a drain pipe;

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

The utility model is further described with reference to the following drawings and specific examples, which are not intended to be limiting.

Referring to fig. 1-4, a key switch comprises a switch box 1, wherein sealing devices 2 are fixedly mounted on both sides of an inner cavity of the switch box 1, the sealing devices 2 mainly isolate external large water flow or water drops to prevent more water from entering the interior of the key switch, drainage equipment 3 is fixedly mounted on both sides of the inner cavity of the switch box 1 and on the opposite side of the two sealing devices 2, the drainage equipment 3 mainly discharges a small part of water in the interior of the key switch to prevent the key switch from being damaged, the sealing device 2 comprises a sealing box 21, a U-shaped groove 22 is formed in the inner cavity of the sealing box 21, a piston 23 is slidably mounted in the inner cavity of the U-shaped groove 22, a rubber push block 24 is fixedly mounted on the right side of the piston 23, a press block 4 is movably mounted at the top of the switch box 1, the press block 4 mainly improves the comfort level of a press worker when the press is pressed, a telescopic rod 5 is fixedly mounted at the bottom of the block 4, the bottom of the telescopic rod 5 penetrates through the switch box 1 and extends to the inside of the switch box 1, the two sides of the outer surface of the telescopic rod 5 are fixedly provided with the baffle plates 6, the baffle plates 6 are mainly matched with the rubber push block 24 to isolate more water drops, the outer surfaces of the two baffle plates 6 are clamped with the outer surface of the rubber push block 24, the drainage device 3 comprises a fixed block 31, the right side of the fixed block 31 is provided with a concave chute 32, the inner wall of the concave chute 32 is provided with a rubber block 33 in a sliding manner, the rubber block 33 mainly extrudes and removes the water drops inside the key switch for a small part, the right side of the rubber block 33 is fixedly provided with a connecting block 34, the right side of the connecting block 34 is fixedly connected with the outer surface of the telescopic rod 5, the front and the back of the fixed block 31 are communicated with drain pipes 35, one side, which is opposite to the two drain pipes 35 penetrates through the fixed block 31 and extends to the inside of the fixed block 31, one side, which is opposite to the two drain pipes 35 is fixedly connected with the inside of the concave chute 32, the left side of the fixed block 31 is fixedly connected with the right side of the seal box 21.

The technical scheme includes that the key switch is used, a worker is required to place the switch box 1 at a using position when the key switch is used, the worker presses the pressing block 4 to drive the telescopic rod 5 to move downwards, then the telescopic rod 5 moves downwards and simultaneously drives the baffle 6 and the connecting block 34 to move downwards, the baffle 6 moves downwards to extrude the rubber pushing block 24 to move inside the U-shaped groove 22, then the rubber pushing block 24 moves to seal the outer surface of the telescopic rod 5, and then the connecting block 34 moves downwards to drive the rubber block 33 to move downwards, so that the rubber block 33 moves downwards to extrude redundant accumulated water inside through the drainage pipe 35.

While the utility model has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the utility model.

Claims

1. A push-button switch comprising a switch box (1), characterized in that; the water draining device is characterized in that sealing devices (2) are fixedly mounted on two sides of an inner cavity of the switch box (1), and drainage equipment (3) is fixedly mounted on two sides of the inner cavity of the switch box (1) and located on the opposite side of the two sealing devices (2).

2. A key switch according to claim 1, wherein: the sealing device (2) comprises a sealing box (21), and a U-shaped groove (22) is formed in the inner cavity of the sealing box (21).

3. A key switch according to claim 2, wherein: the inner cavity of the U-shaped groove (22) is slidably provided with a piston (23), and the right side of the piston (23) is fixedly provided with a rubber push block (24).

4. A key switch according to claim 1, wherein: the top of switch box (1) movable mounting has according to briquetting (4), the bottom fixed mounting who presses briquetting (4) has telescopic link (5).

5. A key switch according to claim 4, wherein: the bottom of telescopic link (5) runs through switch box (1) and extends to the inside of switch box (1), the equal fixed mounting in both sides of telescopic link (5) surface has baffle (6).

6. A key switch according to claim 5, wherein: the outer surface of the two baffle plates (6) is clamped with the outer surface of the rubber push block (24), and the drainage device (3) comprises a fixing block (31).

7. The key switch of claim 6, wherein: concave chute (32) have been seted up on the right side of fixed block (31), the inner wall slidable mounting of concave chute (32) has rubber block (33).

8. A key switch according to claim 7, wherein: the right side fixed mounting of rubber block (33) has connecting block (34), the right side of connecting block (34) and the outer fixed surface of telescopic link (5) are connected.

9. The key switch of claim 6, wherein: the front and the back of fixed block (31) all communicate drain pipe (35), two the relative one side of drain pipe (35) all runs through fixed block (31) and extends to the inside of fixed block (31).

10. A key switch according to claim 9, wherein: two one side that drain pipe (35) are relative all with the inside fixed connection of concave spout (32), the left side of fixed block (31) and the right side fixed connection of seal box (21).