CN213660260U

CN213660260U - Waterproof membrane switch

Info

Publication number: CN213660260U
Application number: CN202022960163.8U
Authority: CN
Inventors: 蔡勇; ***
Original assignee: Shanghai Xinlei Electronic Technology Co ltd
Current assignee: Shanghai Xinlei Electronic Technology Co ltd
Priority date: 2020-12-09
Filing date: 2020-12-09
Publication date: 2021-07-09
Anticipated expiration: 2030-12-09

Abstract

The utility model discloses a waterproof membrane switch, including shell, fixing device and sealing device, the fixed block is installed to the bottom of shell, fixing device installs in the inside of fixed block, and the fixed block passes through fixing device and is connected with the connecting rod, the internally mounted of shell has the membrane switch body, and the outer wall of shell has seted up the spout, sealing device installs in the inside of spout. This waterproof membrane switch passes through fixing device, fixing device can prescribe a limit to the rotation angle of membrane switch body, when the angle of needs adjustment membrane switch body, inwards press the removal axle in the fixing device, make the removal axle extrude spacing spring, the fixture block that removes the axle simultaneously and drive the outer wall inwards removes, make the fixture block break away from the arch in the fixture block and the arch in the connecting rod, rotatory membrane switch body, the adjustment is accomplished the back, loosen and remove the axle, make spacing spring promote the removal axle outwards to remove, fix fixed block and connecting rod.

Description

Waterproof membrane switch

Technical Field

The utility model relates to a membrane switch technical field specifically is a waterproof membrane switch.

Background

The membrane switch is an operation system integrating the functions of keys, an indicating element and an instrument panel, mainly comprises a panel, an upper circuit board, an isolating layer and a lower circuit board, and is mainly used in the fields of electronic communication, electronic measurement instruments, industrial control, medical equipment, automobile industry, household appliances and the like because the membrane switch has a strict structure, attractive appearance and good sealing property.

The membrane switch that the tradition used does not have water-proof effects, leads to the inside circuit board of membrane switch to intake easily to cause the membrane switch short circuit, membrane switch can not be according to operation requirement angle of adjustment simultaneously, leads to membrane switch to use troublesome, consequently, technical personnel in the field provide a waterproof membrane switch, with the problem of proposing in solving above-mentioned background art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a waterproof membrane switch to the membrane switch who proposes in solving above-mentioned background art does not have water-proof effects and can not angle regulation's problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a waterproof membrane switch, includes shell, fixing device and sealing device, the fixed block is installed to the bottom of shell, fixing device installs in the inside of fixed block, and the fixed block passes through fixing device and is connected with the connecting rod, the internally mounted of shell has the membrane switch body, and the outer wall of shell has seted up the spout, sealing device installs in the inside of spout, and sealing device's top installs the buckle.

Preferably, fixing device includes fixed axle, spacing spring, removal axle and fixture block, and the fixed axle is installed in the inside of connecting rod, spacing spring is installed to the one end of fixed axle, and the one end of spacing spring is installed and is removed the axle to the fixture block is installed to the outer wall that removes the axle.

Preferably, the fixed shaft and the movable shaft form a telescopic structure through a limiting spring, and the limiting spring is symmetrically distributed on two sides of a vertical center line of the fixed shaft.

Preferably, the connecting rod and the fixed block form a clamping structure through a clamping block, and the outer wall of the clamping block is attached to the inner wall of the fixed block.

Preferably, the sealing device comprises a sliding block, a rolling bearing, a rotating shaft and a sealing cover, the sliding block is arranged in the sliding groove, the rolling bearing is arranged in the sliding block, the sliding block is connected with the rotating shaft through the rolling bearing, and the sealing cover is arranged at one end of the rotating shaft.

Preferably, the sealing cover and the shell form a sliding structure through the sliding groove and the sliding block, and the longitudinal sections of the sliding groove and the sliding block are respectively convex.

Preferably, the sealing covers and the sliding blocks form a rotating structure through rolling bearings, the sealing covers are symmetrically distributed on two sides of the horizontal center line of the shell, and every two sealing covers form a clamping structure through buckles.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the waterproof membrane switch passes through the fixing device, the fixing device can limit the rotation angle of the membrane switch body, when the angle of the membrane switch body needs to be adjusted, the moving shaft in the fixing device is pressed inwards to extrude the limiting spring, meanwhile, the moving shaft drives the clamping block on the outer wall to move inwards, the clamping block is separated from the bulge in the fixing block and the bulge in the connecting rod, the membrane switch body is rotated, and after the adjustment is completed, the moving shaft is loosened to push the moving shaft to move outwards by the limiting spring, so that the fixing block and the connecting rod are fixed;

2. this waterproof membrane switch passes through sealing device, and when need not use membrane switch, the sealed lid of inside slip makes the slider of sealed lid bottom slide in the spout, and during the sealed lid contact of both sides, the buckle of sealed lid anterior segment is laminated each other, closes sealed lid through the buckle, prevents that the water and the inside that oil that the outer wall got into membrane switch from leading to the membrane switch short circuit.

Drawings

Fig. 1 is a schematic view of a three-dimensional structure of a membrane switch of the present invention;

FIG. 2 is a schematic view of the front cross-section structure of the membrane switch of the present invention;

FIG. 3 is a schematic diagram of a side-sectional structure of the membrane switch of the present invention;

fig. 4 is a schematic view of a part of an enlarged structure at a in fig. 2 according to the present invention.

In the figure: 1. a housing; 2. a fixed block; 3. a fixing device; 301. a fixed shaft; 302. a limiting spring; 303. a movable shaft; 304. a clamping block; 4. a connecting rod; 5. a membrane switch body; 6. a chute; 7. a sealing device; 701. a slider; 702. a rolling bearing; 703. a rotating shaft; 704. a sealing cover; 8. and (5) buckling.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a waterproof membrane switch comprises a shell 1, a fixed block 2, a fixing device 3, a fixed shaft 301, a limiting spring 302, a moving shaft 303, a clamping block 304, a connecting rod 4, a membrane switch body 5, a sliding groove 6, a sealing device 7, a sliding block 701, a rolling bearing 702, a rotating shaft 703, a sealing cover 704 and a buckle 8, wherein the fixed block 2 is installed at the bottom of the shell 1, the fixing device 3 is installed inside the fixed block 2, the fixed block 2 is connected with the connecting rod 4 through the fixing device 3, the membrane switch body 5 is installed inside the shell 1, the sliding groove 6 is formed in the outer wall of the shell 1, the sealing device 7 is installed inside the sliding groove 6, and the buckle 8 is installed at the top of the sealing;

the fixing device 3 comprises a fixed shaft 301, a limiting spring 302, a moving shaft 303 and a fixture block 304, the fixed shaft 301 is arranged inside the connecting rod 4, the limiting spring 302 is arranged at one end of the fixed shaft 301, the moving shaft 303 is arranged at one end of the limiting spring 302, the fixture block 304 is arranged on the outer wall of the moving shaft 303, the fixed shaft 301 and the moving shaft 303 form a telescopic structure through the limiting spring 302, the limiting spring 302 is symmetrically distributed on two sides of the vertical center line of the fixed shaft 301, the connecting rod 4 and the fixing block 2 form a clamping structure through the fixture block 304, the outer wall of the fixture block 304 is attached to the inner wall of the fixing block 2, the fixing device 3 can limit the rotation angle of the membrane switch body 5, when the angle of the membrane switch body 5 needs to be adjusted, the moving shaft 303 in the fixing device 3 is pressed inwards, the moving shaft 303 extrudes the limiting spring 302, and the fixture block 304 on the outer, the fixture block 304 is separated from the bulge in the fixed block 2 and the bulge in the connecting rod 4, the membrane switch body 5 is rotated, and after the adjustment is finished, the moving shaft 303 is loosened, so that the limiting spring 302 pushes the moving shaft 303 to move outwards, and the fixed block 2 and the connecting rod 4 are fixed;

the sealing device 7 comprises a sliding block 701, a rolling bearing 702, a rotating shaft 703 and a sealing cover 704, wherein the sliding block 701 is arranged inside a sliding groove 6, the rolling bearing 702 is arranged inside the sliding block 701, the sliding block 701 is connected with the rotating shaft 703 through the rolling bearing 702, one end of the rotating shaft 703 is provided with the sealing cover 704, the sealing cover 704 forms a sliding structure with the shell 1 through the sliding groove 6 and the sliding block 701, the longitudinal sections of the sliding groove 6 and the sliding block 701 are respectively convex, the sealing cover 704 and the sliding block 701 form a rotating structure through the rolling bearing 702, the sealing covers 704 are symmetrically distributed on two sides of the horizontal center line of the shell 1, every two sealing covers 704 form a clamping structure through a buckle 8, when a membrane switch is not needed, the sealing cover 704 slides inwards, the sliding block 701 at the bottom of the sealing cover 704 slides in the sliding groove 6, the sealing cover 704 is closed by the clip 8, preventing water and oil of the outer wall from entering the inside of the membrane switch to cause a short circuit of the membrane switch.

The working principle is as follows: the waterproof membrane switch is used in the process that firstly, when the angle of a membrane switch body 5 needs to be adjusted, a moving shaft 303 in a fixing device 3 is pressed inwards to enable the moving shaft 303 to extrude a limiting spring 302, meanwhile, the moving shaft 303 drives a clamping block 304 on the outer wall to move inwards, the clamping block 304 is enabled to be separated from a bulge in a fixed block 2 and a bulge in a connecting rod 4, the membrane switch body 5 is rotated, after the adjustment is completed, the moving shaft 303 is loosened, the limiting spring 302 pushes the moving shaft 303 to move outwards, and the fixed block 2 and the connecting rod 4 are fixed;

when the membrane switch body 5 needs to be opened, the sealing cover 704 in the sealing device 7 is pulled outwards to separate the sealing cover 704 from the buckle 8, meanwhile, the sealing cover 704 slides outwards, the sliding block 701 at the bottom of the sealing cover 704 slides in the sliding groove 6, when the sliding block 701 slides to the end of the sliding groove 6, the sealing cover 704 is rotated outwards, the sealing cover 704 can rotate outwards through the rotating shaft 703 and the rolling bearing 702 to open the membrane switch body 5, and external water can be prevented from entering the inside of the membrane switch body 5 when the membrane switch is not used through the sealing device 7, so that the membrane switch body 5 is short-circuited.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A waterproof membrane switch, includes shell (1), fixing device (3) and sealing device (7), its characterized in that: fixed block (2) are installed to the bottom of shell (1), fixing device (3) are installed in the inside of fixed block (2), and fixed block (2) are connected with connecting rod (4) through fixing device (3), the internally mounted of shell (1) has membrane switch body (5), and the outer wall of shell (1) has seted up spout (6), sealing device (7) are installed in the inside of spout (6), and buckle (8) are installed at the top of sealing device (7).

2. The waterproof membrane switch of claim 1, wherein: fixing device (3) include fixed axle (301), spacing spring (302), remove axle (303) and fixture block (304), and fixed axle (301) are installed in the inside of connecting rod (4), spacing spring (302) are installed to the one end of fixed axle (301), and the one end of spacing spring (302) is installed and is removed axle (303) to fixture block (304) are installed to the outer wall that removes axle (303).

3. The waterproof membrane switch of claim 2, wherein: the fixed shaft (301) and the moving shaft (303) form a telescopic structure through a limiting spring (302), and the limiting spring (302) is symmetrically distributed on two sides of the vertical center line of the fixed shaft (301).

4. The waterproof membrane switch of claim 2, wherein: the connecting rod (4) and the fixing block (2) form a clamping structure through the clamping block (304), and the outer wall of the clamping block (304) is attached to the inner wall of the fixing block (2).

5. The waterproof membrane switch of claim 1, wherein: the sealing device (7) comprises a sliding block (701), a rolling bearing (702), a rotating shaft (703) and a sealing cover (704), the sliding block (701) is installed inside the sliding groove (6), the rolling bearing (702) is installed inside the sliding block (701), the sliding block (701) is connected with the rotating shaft (703) through the rolling bearing (702), and the sealing cover (704) is installed at one end of the rotating shaft (703).

6. The waterproof membrane switch of claim 5, wherein: the sealing cover (704) and the shell (1) form a sliding structure through the sliding groove (6) and the sliding block (701), and the longitudinal sections of the sliding groove (6) and the sliding block (701) are convex respectively.

7. The waterproof membrane switch of claim 5, wherein: the sealing cover (704) and the sliding block (701) form a rotating structure through a rolling bearing (702), the sealing covers (704) are symmetrically distributed on two sides of the horizontal center line of the shell (1), and every two sealing covers (704) form a clamping structure through a buckle (8).