CN215007998U

CN215007998U - Sealing non-hand-feeling membrane switch

Info

Publication number: CN215007998U
Application number: CN202121397529.3U
Authority: CN
Inventors: 宋艳凯
Original assignee: Cangzhou Huake Century Electronics Co ltd
Current assignee: Cangzhou Huake Century Electronics Co ltd
Priority date: 2021-06-23
Filing date: 2021-06-23
Publication date: 2021-12-03
Anticipated expiration: 2031-06-23

Abstract

The utility model discloses a no hand membrane switch of leakproofness, including the switch body, seted up the spout on the switch body, sliding connection has the slide bar in the spout, is equipped with the backplate on the slide bar, is equipped with the phosphor strip on the backplate, and the back of backplate is equipped with the sponge. The utility model discloses a be provided with the backplate, before the installation of switch body, play the purpose of protecting to membrane switch, prevent that the switch body from taking place the bending and destroying, simultaneously after the installation of switch body, the backplate plays the purpose of dustproof protection, prevents that the dust from adhering to also reduce the risk that touch switch arrived, the utility model discloses a be provided with the phosphor strip, be convenient for the use at night of switch body.

Description

Sealing non-hand-feeling membrane switch

Technical Field

The utility model belongs to the technical field of the membrane switch, specifically be a leakproofness does not have hand membrane switch.

Background

The membrane switch is an operation system integrating a key function, an indicating element and an instrument panel. The circuit board consists of four parts, including a panel, an upper circuit, an isolating layer and a lower circuit. When the membrane switch is pressed down, the contact of the upper circuit deforms downwards to be in contact with the polar plate of the lower circuit for conduction, after the finger is loosened, the contact of the upper circuit rebounds, the circuit is disconnected, and the loop triggers a signal.

The membrane switch has the advantages of rigorous structure, attractive appearance and good sealing property. Has the characteristics of moisture resistance, long service life and the like. The method is widely applied to the fields of electronic communication and electronic measurement instruments, industrial control, medical equipment, automobile industry, intelligent toys, household appliances and the like.

At present, when the existing membrane switch is used, the surface of the existing membrane switch is not provided with a dustproof mechanism, dust is easy to adhere when the existing membrane switch is not used, and before the existing membrane switch is installed, the existing membrane switch is not provided with a protection mechanism and is easy to bend, so that internal components are damaged.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a no hand membrane switch of leakproofness to solve current membrane switch and do not have the problem of protection dustproof mechanism.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a leakproofness does not have hand membrane switch, includes the switch body, the spout has been seted up on the switch body, and the cross sectional shape of spout is the convex, through being provided with the spout, the slip of the slide bar of being convenient for, sliding connection has the slide bar in the spout, and the number of slide bar is two, and the cross sectional shape of slide bar is the convex, be equipped with the backplate on the slide bar, through being provided with the backplate, play the purpose of carrying out dustproof protection to the switch body, be equipped with the phosphor strip on the backplate, through being provided with the phosphor strip, be convenient for look over the position of switch body night, do benefit to the use of switch body, the back of backplate is equipped with the sponge, through being provided with the sponge, at the gliding in-process of backplate, plays the purpose of clearing up attached dust on the switch body, does benefit to the use of switch body.

Preferably, spring grooves are formed in the sliding rod, the springs are installed conveniently through the spring grooves, the springs are arranged on the inner walls of the spring grooves and are in a compression state, and acting force is applied to the limiting plate conveniently through the springs in the compression state.

Preferably, one end of the spring is provided with a limiting plate, the limiting plate is connected with the inner wall of the spring groove in a sliding mode, and the limiting plate is arranged to limit the movement of the bearing block and exert the spring acting force on the bearing block.

Preferably, the limiting plate is provided with a bearing block, one end of the bearing block penetrates through the sliding rod, and the bearing block is cylindrical.

Preferably, accept the piece in and seted up the circular slot, the shape of circular slot is the hemisphere shape, through being provided with the circular slot, is convenient for accept the roll of ball, the roll connection has the ball in the circular slot, through being provided with the ball, under compression spring's effort, is convenient for peg graft the spacing inslot.

Preferably, the number of the sliding grooves is two, the inner wall of each sliding groove is provided with a limiting groove, the limiting grooves are semi-spherical, and the purpose of fixing the guard plate is achieved by arranging the limiting grooves and the round beads.

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

1. the utility model discloses a be provided with the backplate, before the installation of switch body, play the purpose of protecting the membrane switch, prevent that the switch body from taking place crooked destruction, simultaneously after the installation of switch body, the backplate plays the purpose of dustproof protection, prevents that the dust from adhering to also reduce the risk that touch switch arrived.

2. The utility model discloses a be provided with the phosphor strip, the night of the switch body of being convenient for is used.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a cross-sectional view of the switch body of the present invention;

fig. 3 is an enlarged view of the position a of the present invention.

In the figure: 1. a switch body; 2. a guard plate; 3. a fluorescent strip; 4. a chute; 5. a limiting groove; 6. a slide bar; 7. a sponge; 8. a spring; 9. a bearing block; 10. a ball; 11. a limiting plate; 12. a spring slot; 13. a circular groove.

Detailed Description

Referring to fig. 1, 2 and 3, a sealing membrane switch without hand feeling comprises a switch body 1, a sliding groove 4 is formed on the switch body 1, the cross section of the sliding groove 4 is convex, the sliding of the sliding rods 6 is facilitated by the arrangement of the sliding grooves 4, the sliding rods 6 are connected in the sliding grooves 4 in a sliding manner, the number of the sliding rods 6 is two, the cross section of each sliding rod 6 is convex, the sliding rods 6 are provided with the protective plates 2, the switch body 1 is protected from dust by the protection plate 2, the protection plate 2 is provided with the fluorescent strip 3, the fluorescent strip 3 is arranged, so that the position of the switch body 1 can be conveniently checked at night, the use of the switch body 1 is facilitated, the sponge 7 is arranged on the back surface of the protection plate 2, and by arranging the sponge 7, in the sliding process of the protection plate 2, the purpose of cleaning dust attached to the switch body 1 is achieved, and the use of the switch body 1 is facilitated.

Referring to fig. 2 and 3, a spring groove 12 is formed in the sliding rod 6, the spring 8 is conveniently installed by the spring groove 12, the spring 8 is arranged on the inner wall of the spring groove 12, the spring 8 is in a compressed state, and the spring 8 in the compressed state is conveniently arranged to apply acting force to the limiting plate 11.

Referring to fig. 2 and 3, a limiting plate 11 is disposed at one end of the spring 8, the limiting plate 11 is slidably connected to an inner wall of the spring groove 12, and the limiting plate 11 serves to limit the movement of the receiving block 9 and also serves to apply an acting force of the spring 8 to the receiving block 9.

Referring to fig. 2 and 3, a bearing block 9 is disposed on the position-limiting plate 11, one end of the bearing block 9 penetrates through the sliding rod 6, and the bearing block 9 is cylindrical.

Referring to fig. 2 and 3, a circular groove 13 is formed in the receiving block 9, the circular groove 13 is shaped like a semi-sphere, the ball 10 is convenient to roll through the circular groove 13, the ball 10 is connected in the circular groove 13 in a rolling manner, and the ball 10 is convenient to insert into the limiting groove 5 under the action of the compression spring 8.

Referring to fig. 1, 2 and 3, the number of the sliding grooves 4 is two, the inner wall of the sliding groove 4 is provided with a limiting groove 5, the limiting groove 5 is shaped like a semi-sphere, and the purpose of fixing the guard plate 2 is achieved by arranging the limiting groove 5 and a ball 10.

The working principle of the scheme is as follows: before the switch body 1 is installed, the protection plate 2 is moved, the protection plate 2 is covered on the switch body 1, in the moving process, the protection plate 2 drives the sliding rod 6 to slide along the inner wall of the sliding groove 4, the sliding rod 6 drives the ball 10 at the bottom end to roll, the ball 10 is extruded to enter the spring groove 12, when the protection plate 2 does not move, the protection plate 2 covers the switch body 1 at the moment, the ball 10 enters the second limiting groove 5 under the action of the compression spring 8 to achieve the purpose of fixing the protection plate 2, the protection plate 2 is arranged to facilitate protecting the switch body 1 and prevent the switch body 1 from bending, after the switch body 1 is installed, the protection plate 2 is arranged to achieve the purpose of dustproof protection, and when the protection plate 2 is moved, the sponge 7 is used for cleaning the switch body 1 to facilitate the use of the switch body 1, and meanwhile, the fluorescent strip 3 is arranged, the position of the membrane switch can be observed conveniently at night, and the membrane switch is convenient to use.

Claims

1. A leakproofness does not have hand membrane switch, includes switch body (1), its characterized in that: the switch is characterized in that a sliding groove (4) is formed in the switch body (1), a sliding rod (6) is connected in the sliding groove (4), a protective plate (2) is arranged on the sliding rod (6), a fluorescent strip (3) is arranged on the protective plate (2), and sponge (7) is arranged on the back of the protective plate (2).

2. A hermetic hands-free membrane switch, as claimed in claim 1, wherein: a spring groove (12) is formed in the sliding rod (6), and a spring (8) is arranged on the inner wall of the spring groove (12).

3. A hermetic hands-free membrane switch, as claimed in claim 2, wherein: one end of the spring (8) is provided with a limiting plate (11), and the limiting plate (11) is connected with the inner wall of the spring groove (12) in a sliding mode.

4. A hermetic hands-free membrane switch, as claimed in claim 3, wherein: the limiting plate (11) is provided with a bearing block (9), and one end of the bearing block (9) penetrates through the sliding rod (6).

5. The sealable handsfree membrane switch of claim 4, wherein: a circular groove (13) is formed in the bearing block (9), and a ball (10) is connected in the circular groove (13) in a rolling manner.

6. A hermetic hands-free membrane switch, as claimed in claim 1, wherein: the number of the sliding grooves (4) is two, and the inner wall of each sliding groove (4) is provided with a limiting groove (5).