Non-contact rocker switch structure

Abstract

The utility model discloses a non-contact rocker switch structure, which comprises a base and a shell, the lower end of the shell is adaptively clamped with the base, the upper side of the base is provided with a metal bracket, the middle part of the bracket is provided with a rotatable rotating body through a rotating shaft, the rotating body is internally provided with a cavity, the cavity is internally provided with a metal bushing, and the rotating shaft penetrates through the bushing. A cavity is formed in the support, a torsional spring is connected to the lining in a sleeved mode, a protruding plate is arranged in the cavity, a baffle formed by bending inwards is arranged on one side of the upper end of the support, semicircular clamping grooves are formed in the two sides of the protruding plate and the two sides of the baffle respectively, the clamping grooves are used for being connected with a torsional arm of the torsional spring in a clamped mode, a rocker is installed on the top of the rotating body, inserting buckles a are symmetrically arranged on the two sides of the bottom of the rocker, and vertical inserting holes a are symmetrically formed in the two sides of the rotating body. The inserting buckle a is inserted into the inserting hole a in a matched mode to achieve fixation of the rocker. The metal lining is arranged in the rotating body for supporting, when the lining makes direct contact with the rotating shaft and rotates relative to the rotating shaft, the contact portion is not prone to abrasion, the torsion arm of the torsion spring is pressed on the baffle, and deformation caused by extrusion is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of switches, in particular to a non-contact rocker switch structure. Background Art

[0002] A non-contact switch is a switch that can control a circuit by triggering a magnetic field or a photoelectric signal. Its main principle is that when the sensor senses an external signal, it will trigger the internal switch circuit, thereby controlling the on and off of the circuit. The magnetosensitive non-contact switch controls the on and off of the circuit by sensing the change of the magnetic field. Generally, the moving parts of the existing rocker switches are plastic parts. After long-term use, the moving parts are worn greatly. Moreover, the torsion arms of the return torsion springs are pressed against the positioning card slots for a long time, resulting in extrusion deformation, causing the torsion arms to shift, and the return restoring force of the rocker is uneven. Content of the Utility Model

[0003] The purpose of the utility model is to provide a non-contact rocker switch structure to solve the problems raised in the above background art.

[0004] To achieve the above purpose, the utility model provides the following technical solution: A non-contact rocker switch structure, including a base and a housing. The lower end of the housing is adaptively clamped with the base. A PCB board is installed at the bottom of the base. A metal bracket is installed on the upper side of the base. A rotatable rotating body is installed in the middle of the bracket through a rotating shaft. There is a cavity in the rotating body. A metal bushing is installed in the cavity. The rotating shaft passes through the bushing. A torsion spring is sleeved on the bushing. There is a convex plate in the cavity. One side of the upper end of the bracket is bent inward to form a baffle. Semi-circular card slots are respectively arranged on both sides of the convex plate and the baffle. The card slots are used for clamping the torsion arms of the torsion spring. The torsion spring is used to drive the rocker to flip and reset. A rocker is installed at the top of the rotating body. Insertion buckles a are symmetrically arranged on both sides of the bottom of the rocker. Vertical insertion holes a are symmetrically arranged on both sides of the rotating body. The insertion buckles a are inserted into the insertion holes a in a matching manner to fix the rocker. A magnet block is embedded and installed at the bottom of the rotating body.

[0005] Preferably, four symmetrically arranged insertion posts are arranged on the upper side of the base. Insertion holes adapted to the insertion posts are arranged at the four corners of the bottom of the bracket.

[0006] Preferably, insertion buckles b are symmetrically arranged on both sides of the bottom of the housing. Slots are arranged on both sides of the base. The insertion buckles b are inserted into the slots in a matching manner.

[0007] Compared with the prior art, the beneficial effects of the present utility model are as follows: A metal bushing is provided in the rotating body for support. The bushing is in direct contact with the rotating shaft. When relatively rotating, the contact part is not prone to wear. The torsion arm of the torsion spring presses on the baffle, preventing deformation caused by the extrusion of the torsion spring, which is beneficial to improving the stability of the switch during use and extending the service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] Figure 1 is an exploded structural schematic diagram of the present utility model;

[0009] Figure 2 is an exploded structural schematic diagram of the present utility model;

[0010] Figure 3 is an installation and cooperation schematic diagram of the rotating body and the bracket.

[0011] In the figure: 1, base; 2, bracket; 3, housing; 4, rocker; 5, rotating body; 6, magnet block; 7, buckle a; 8, bushing; 9, torsion spring; 10, PCB board; 11, jack a; 12, convex plate; 13, baffle. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0012] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments.

[0013] Please refer to Figures 1-3 , the present utility model provides a technical solution: a non-contact rocker switch structure, including a base 1 and a housing 3. The lower end of the housing 3 is adaptively clamped with the base 1. A PCB board 10 is installed at the bottom of the base 1. A magnetic sensor is provided in the PCB board 10. A metal bracket 2 is installed on the upper side of the base 1. Four symmetrically arranged insertion posts are provided on the upper side of the base 1. Four corners at the bottom of the bracket 2 are provided with jacks adapted to be inserted with the insertion posts. Buckles b are symmetrically arranged on both sides at the bottom of the housing 3. Slots are provided on both sides of the base 1. The buckles b are adaptively inserted into the slots. Therefore, the base 1, the bracket 2, and the housing 3 are convenient to assemble and disassemble.

[0014] A rotatable swivel 5 is installed in the middle of the bracket 2 through a rotating shaft. A cavity is provided in the swivel 5. A metal bushing 8 is installed in the cavity. The rotating shaft passes through the bushing 8. A torsion spring 9 is sleeved on the bushing 8. A convex plate 12 is provided in the cavity. A baffle 13 formed by bending inward is provided on one side of the upper end of the bracket 2. Semicircular card slots are provided on both sides of the convex plate 12 and the baffle 13. The card slots are used to clamp the torsion arm of the torsion spring 9. After the swivel 5 and the bracket 2 are installed, the convex plate 12 and the baffle 13 are arranged up and down, and the card slots on the two are opposite to each other. The torsion spring 9 is used to drive the rocker 4 to flip and reset. The rocker 4 is installed on the top of the swivel 5. A rectangular hole is provided in the middle of the housing 3. The rocker 4 extends out of the rectangular hole to facilitate manual flipping. Buckles a7 are symmetrically arranged on both sides of the bottom of the rocker 4, and vertical sockets a11 are symmetrically arranged on both sides of the swivel 5. Buckles a7 are matched and inserted into the sockets a to fix the rocker 4. A magnet block 6 is embedded and installed at the bottom of the swivel 5. The magnet block 6 rotates with the swivel 5, and the magnetic sensor in the PCB board 10 senses different magnetic strengths.

[0015] Working principle: A metal bushing 8 is provided in the swivel 5 for support. The bushing 8 is in direct contact with the shaft. When the bushing 8 rotates relatively, the contact part is not easy to wear. The torsion arm of the torsion spring 9 is pressed on the baffle 13 to prevent deformation due to the extrusion of the torsion spring.

[0016] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A non-contact rocker switch structure, comprising a base (1) and a housing (3), wherein the lower end of the housing (3) is adapted to be snap-fitted with the base (1), and a PCB board (10) is mounted on the bottom of the base (1), characterized in that: A metal bracket (2) is installed on the upper side of the base (1), a rotatable swivel (5) is installed in the middle of the bracket (2) via a rotating shaft, a cavity is provided in the swivel (5), a metal bushing (8) is installed in the cavity, the rotating shaft passes through the bushing (8), a torsion spring (9) is sleeved on the bushing (8), a convex plate (12) is provided in the cavity, a baffle (13) formed by bending inwards is provided on one side of the upper end of the bracket (2), and the convex plate (12) and the baffle (13) are Semicircular slots are respectively provided on both sides, and the slots are used to clamp the torsion arms of the torsion spring (9). The torsion spring (9) is used to drive the rocker (4) to flip and reset. The rocker (4) is installed on the top of the swivel (5). Buckles a (7) are symmetrically provided on both sides of the bottom of the rocker (4). Vertical sockets a (11) are symmetrically provided on both sides of the swivel (5). The buckles a (7) are matched and inserted into the sockets a to fix the rocker (4). A magnet block (6) is embedded and installed on the bottom of the swivel (5).

2. The non-contact rocker switch structure according to claim 1, characterized in that: The upper side of the base (1) is provided with four symmetrically arranged plug posts, and the four corners of the bottom of the bracket (2) are provided with plug holes adapted to be plugged into the plug posts.

3. The non-contact rocker switch structure according to claim 2, characterized in that: Buckles b are symmetrically arranged on both sides of the bottom of the shell (3), and slots are arranged on both sides of the base (1), and the buckles b are adapted to be plugged into the slots.

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