Hall switch structure

Abstract

The utility model provides a Hall switch structure. The Hall switch structure comprises a housing, a body, a rear cover, a dial structure, a Hall circuit board and a damping spring. The rear cover is correspondingly embedded at the bottom of the body; a leak hole for exposing the drive plate structure out of the shell is formed in the middle of the shell; the Hall circuit board is installed at the bottom of the inner cavity of the body and fixedly connected with the rear cover. A plurality of first mounting convex columns are formed at the bottom of the shell, and clamping blocks are convexly arranged on the two opposite sides in the length direction of an inner cavity of the shell; a plurality of first installation holes corresponding to the first installation protruding columns are formed in the edge of the upper surface of the body, and clamping grooves matched with the clamping blocks are formed in the two opposite sides of the upper portion of the body in the length direction. In an assembly state, the first mounting convex columns are correspondingly inserted into the first mounting holes to form an interference fit relationship; the clamping blocks are correspondingly embedded into the clamping grooves; and the body and the shell adopt a press-fit and buckle matched connection structure, so that on one hand, the assembly stability is ensured, and on the other hand, the assembly efficiency is also improved.

Description

Technical Field

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

[0002] The Chinese patent authorization announcement number is CN 217954992 U, and the authorization announcement date is December 2, 2022. It discloses a control handle, a remote control and an operating machine, including a housing, a joystick, a magnet, a Hall sensor and a reset assembly. The joystick is rotatably connected to the housing, and the control end is located in the housing. The magnet is arranged at the end of the control end. The Hall sensor is arranged on the inner side of the housing and is located between the magnet and the housing. When the joystick is in the middle position, the Hall voltage output by the Hall sensor is the smallest. The reset assembly is used to drive the joystick back to the middle position. When the joystick drives the magnet to swing, the Hall voltage output by the Hall sensor becomes larger, thereby controlling the corresponding mechanical device action. The control handle provided by the utility model controls the movement of the mechanical device contactlessly by means of an induction magnetic field, which solves the problem that the control components using the contact trigger method in the prior art are worn out for a long time, resulting in reduced reliability and waterproof and dustproof properties. The defects of the prior art are that the cover plate, the first housing and the second housing are fixedly connected by screws, the assembly method is relatively complicated, and there will be looseness after long-term use, which affects the use effect; in view of this situation, it is urgent to improve. Utility Model Content

[0003] In view of the above problems, the utility model provides a Hall switch structure to improve the service life. The main body and the shell adopt a connection structure that matches the press-fit and snap-fit ​​type, which ensures the stability of the assembly on the one hand and improves the efficiency of the assembly on the other.

[0004] To achieve the above purpose, the utility model solves it through the following technical solutions:

[0005] A Hall switch structure comprises a housing, a body, a back cover, a dial structure, a Hall circuit board, and a damping spring;

[0006] The back cover is correspondingly embedded at the bottom of the body; a leakage hole is opened in the middle of the shell for the dial structure to be exposed outside the shell; the Hall circuit board is installed at the bottom of the inner cavity of the body and is fixedly connected to the back cover;

[0007] A plurality of first mounting bosses are formed at the bottom of the shell, and blocks are protruded on opposite sides of the inner cavity of the shell in the length direction; a plurality of first mounting holes corresponding to the first mounting bosses are formed at the edge of the upper surface of the body, and a card slot matching with the card block is formed on opposite sides of the upper length direction of the body; when in the assembled state, the first mounting bosses are correspondingly inserted into the first mounting holes and form an interference fit relationship; the card block is correspondingly embedded in the card slot;

[0008] The dial structure is correspondingly arranged in the body; the dial structure includes a wheel body, an arc-shaped dial block, a supporting central axis, a spring supporting ring, a wheel cover plate, a spring dial seat, a magnet, and a damping spring; the arc-shaped dial block is fixedly arranged on one side of the outer side of the wheel body; the supporting central axis is co-centrally arranged to penetrate the wheel body and extend out of the opposite sides of the wheel body to be rotatably connected to the inner side wall of the shell;

[0009] The spring support ring is arranged on one side of the wheel body and is coaxially arranged with the wheel body and the supporting central axis; the damping spring is correspondingly sleeved outside the spring support ring; abutment portions are formed at both ends of the damping spring; a shift seat receiving space is formed between the abutment portions on the opposite sides, the limit seat is arranged in the shift seat receiving space and is fixedly connected to the wheel body; the wheel cover plate is correspondingly coaxially installed on the side of the wheel body with the damping spring; the supporting central axis passes through the wheel cover plate; a magnet receiving groove is provided on a side of the wheel body away from the wheel cover plate and at a position corresponding to the limit seat, and the magnet is correspondingly embedded in the magnet receiving groove; the Hall circuit board is installed close to the magnet side;

[0010] A spring shift seat is arranged at a position at the bottom of the inner cavity of the main body corresponding to the shift seat storage space; the spring shift seat is arranged correspondingly just below the limit seat.

[0011] Preferably, central axis fixing blocks are provided at the top of the inner cavity of the shell and on opposite sides in the length direction; guide grooves for inserting the central axis fixing blocks are formed on opposite sides of the inner wall of the main body, and the central axis fixing blocks on both sides are correspondingly inserted into the guide grooves and in contact with the supporting central axis.

[0012] Preferably, a plurality of mounting grooves are provided on one side of the wheel body close to the wheel cover plate, and a plurality of second mounting bosses are provided on one side of the wheel cover plate close to the wheel body; the second mounting bosses are correspondingly inserted into the mounting grooves and are in interference contact with the mounting grooves.

[0013] Preferably, the wheel cover plate is coaxially provided with an engaging convex ring corresponding to the spring support ring in the middle of a side surface close to the wheel body, and the engaging convex ring is correspondingly embedded in the spring support ring and in close contact with the inner wall of the spring support ring.

[0014] Preferably, a circuit board installation cavity corresponding to the shape of the Hall circuit board is formed at the bottom of the inner cavity of the main body by a partition, and the Hall circuit board is correspondingly installed in the circuit board installation cavity.

[0015] Preferably, two opposite side surfaces in the width direction of the main body are provided with pressing spring sheets.

[0016] The beneficial effects of the utility model are as follows: a structure in which a magnet and a Hall circuit board are matched is adopted to replace a metal contact switch, so there is no contact impedance problem and the service life is improved; during assembly, the first mounting boss is correspondingly inserted into the first mounting hole and forms an interference fit relationship, and at the same time the card block is correspondingly embedded in the card slot to achieve further fastening, and a connection structure in which a press-fit and a snap-fit ​​are matched is adopted, which ensures the stability of the assembly on the one hand and improves the efficiency of the assembly on the other. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is an exploded view of the present invention (from a top view).

[0018] Figure 2 This is an exploded view of the present invention (looking from above).

[0019] Figure 3 It is a three-dimensional diagram of the utility model.

[0020] Figure 4 It is a cross-sectional view of the utility model.

[0021] The accompanying drawings are marked as follows: housing 10, leakage hole 11, central axis fixing block 12, arc-shaped shift block 13, supporting central axis 15, wheel cover plate 14, Hall circuit board 17, damping spring 16, back cover 18, spring shift seat 36, abutment portion 20, main body 21, pressing spring piece 22, first mounting hole 23, card slot 24, second mounting boss 25, magnet receiving slot 26, magnet 27, mounting boss 28, wheel body 29, first mounting boss 30, card block 31, spring supporting ring 32, partition 33, guide groove 34, interlocking convex ring 35, limit seat 19. DETAILED DESCRIPTION

[0022] The present invention is further described in detail below in conjunction with embodiments and drawings, but the implementation manner of the present invention is not limited thereto.

[0023] Reference Figure 1-4As shown: This embodiment provides a Hall switch structure, characterized in that it includes a shell 10, a body 21, a back cover 18, a dial structure, a Hall circuit board 17, and a damping spring 16; the back cover 18 is correspondingly embedded at the bottom of the body 21; a leakage hole 11 is opened in the middle of the shell 10 for the dial structure to be exposed outside the shell 10; the Hall circuit board 17 is installed at the bottom of the inner cavity of the body 21 and is fixedly connected to the back cover 18; a plurality of first mounting bosses 30 are formed at the bottom of the shell 10, and a card block 31 is protruded on both opposite sides of the inner cavity of the shell 10 in the length direction; a plurality of first mounting holes 23 corresponding to the first mounting bosses 30 are formed at the edge of the upper surface of the body 21, and a card slot 24 cooperating with the card block 31 is formed on both opposite sides of the upper length direction of the body 21; when in the assembled state, the first mounting boss 30 is correspondingly inserted into the first mounting hole 23 and forms an interference fit relationship; the card block 31 is correspondingly embedded in the card slot 24;

[0024] The dial structure is correspondingly arranged in the body 21; the dial structure includes a wheel body 29, an arc-shaped dial block 13, a supporting middle shaft 15, a spring supporting ring 32, a wheel cover plate 14, a spring dial seat 19, a magnet 27, and a damping spring 16; the arc-shaped dial block 13 is fixedly arranged on one side of the outer side of the wheel body 29; the supporting middle shaft 15 is arranged concentrically through the wheel body 29 and extends out of the opposite sides of the wheel body 29 and is rotatably connected to the inner side wall of the housing 10;

[0025] The spring support ring 32 is arranged on one side of the wheel body 29 and is coaxially arranged with the wheel body 29 and the supporting central axis 15; the damping spring 16 is correspondingly sleeved on the outside of the spring support ring 32; abutment portions 20 are formed at both ends of the damping spring 16; a shift seat receiving space is formed between the abutment portions 20 on the opposite sides, and the limit seat 19 is arranged in the shift seat receiving space and is fixedly connected to the wheel body 29; the wheel cover plate 14 is correspondingly coaxially installed on the side of the wheel body 29 with the damping spring 16; the supporting central axis 15 passes through the wheel cover plate 14; a magnet receiving groove 26 is arranged on a side of the wheel body 29 away from the wheel cover plate 14 and at a position corresponding to the limit seat 19, and the magnet 27 is correspondingly embedded in the magnet receiving groove 26; the Hall circuit board 17 is installed close to the side of the magnet 27; a spring shift seat 36 is arranged at a position corresponding to the shift seat receiving space at the bottom of the inner cavity of the main body 21; the spring shift seat 36 is correspondingly arranged directly below the limit seat 19.

[0026] During actual operation, the arc-shaped shift block 13 is moved, and the arc-shaped shift block 13 synchronously drives the wheel body 29 to rotate with the support of the central axis 15, and the wheel body 29 synchronously drives the damping spring 16 to rotate. During the rotation of the damping spring 16, the spring shift seat 36 contacts the abutment portion 20 on the side corresponding to the active direction to realize the return action.

[0027] Central axis fixing blocks 12 are provided at the top of the inner cavity of the shell 10 and on opposite sides in the length direction; guide grooves 34 for inserting the central axis fixing blocks 12 are formed on opposite sides of the inner wall of the main body 21, and the central axis fixing blocks 12 on both sides are correspondingly inserted into the guide grooves 34 and in contact with the supporting central axis 15.

[0028] The wheel body 29 is provided with a plurality of mounting protrusions 28 on one side close to the wheel cover plate 14, and the wheel cover plate 14 is provided with a plurality of second mounting protrusions 25 on one side close to the wheel body 29; the second mounting protrusions 25 are correspondingly inserted into the mounting protrusions 28 and are in interference contact with the mounting protrusions 28, so as to facilitate assembly and improve efficiency.

[0029] A mating convex ring 35 corresponding to the spring support ring 32 is coaxially convexly provided in the middle of the side surface of the wheel cover plate 14 close to the wheel body 29. The mating convex ring 35 is correspondingly embedded in the spring support ring 32 and in contact with the inner side wall of the spring support ring 32. The coaxiality of the assembly between the wheel cover plate 14 and the wheel body 29 is improved to ensure the assembly quality.

[0030] The bottom of the inner cavity of the body 21 is divided by a partition 33 to form a circuit board installation cavity corresponding to the shape of the Hall circuit board 17, and the Hall circuit board 17 is installed in the circuit board installation cavity. By setting the circuit board installation cavity, the Hall circuit board 17 has a dustproof function.

[0031] The two opposite sides of the body 21 in the width direction are provided with pressing spring pieces 22. In actual use, the structure can be directly pressed into the panel of the product, and then the pressing spring pieces 22 are in contact with the mounting position of the panel to achieve fixation.

[0032] In this embodiment, a structure in which a magnet and a Hall circuit board are matched is used to replace the metal contact switch, so there is no contact impedance problem and the service life is improved. During assembly, the first mounting boss is correspondingly inserted into the first mounting hole and forms an interference fit relationship, and at the same time, the card block is correspondingly embedded in the card slot to achieve further tightening. A connection structure in which a press-fit and a snap are matched is adopted, which ensures the stability of the assembly on the one hand and improves the efficiency of the assembly on the other.

[0033] The above embodiment only expresses one implementation method of the utility model, and its description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A Hall switch structure, characterized in that: It comprises a housing (10), a body (21), a back cover (18), a dial structure, a Hall circuit board (17), and a damping spring (16); The rear cover (18) is correspondingly arranged at the bottom of the body (21); a leakage hole (11) is provided in the middle of the shell (10) for allowing the dial structure to be exposed outside the shell (10); the Hall circuit board (17) is installed at the bottom of the inner cavity of the body (21) and is fixedly connected to the rear cover (18); A plurality of first mounting bosses (30) are formed at the bottom of the shell (10), and blocks (31) are protrudingly provided on opposite sides of the inner cavity of the shell (10) in the length direction; a plurality of first mounting holes (23) corresponding to the first mounting bosses (30) are formed at the edge of the upper surface of the body (21), and a card slot (24) matching with the card block (31) is formed on opposite sides of the upper length direction of the body (21); when in an assembled state, the first mounting bosses (30) are correspondingly inserted into the first mounting holes (23) and form an interference fit relationship; and the card block (31) is correspondingly embedded in the card slot (24); The dial structure is correspondingly arranged in the body (21); the dial structure comprises a wheel body (29), an arc-shaped dial block (13), a supporting middle shaft (15), a spring supporting ring (32), a wheel cover plate (14), a spring dial seat (36), a magnet (27), a limit seat (19), and a damping spring (16); the arc-shaped dial block (13) is fixedly arranged on one side of the outer side of the wheel body (29); the supporting middle shaft (15) is co-centrally arranged to penetrate the wheel body (29) and extend out of the opposite sides of the wheel body (29) to be rotatably connected to the inner side wall of the housing (10); The spring support ring (32) is arranged on one side of the wheel body (29) and is coaxially arranged with the wheel body (29) and the supporting central axis (15); the damping spring (16) is correspondingly sleeved outside the spring support ring (32); abutment portions (20) are formed at both ends of the damping spring (16); a shifting seat receiving space is formed between the abutment portions (20) on the opposite sides; the limit seat (19) is arranged in the shifting seat receiving space and is fixedly connected to the wheel body (29); the wheel The cover plate (14) is coaxially mounted on a side of the wheel body (29) with a damping spring (16); the support center shaft (15) is arranged to penetrate the wheel cover plate (14); a magnet receiving groove (26) is arranged at a position corresponding to the position limit seat (19) on a side of the wheel body (29) away from the wheel cover plate (14), and the magnet (27) is correspondingly embedded in the magnet receiving groove (26); the Hall circuit board (17) is installed close to the side of the magnet (27); A spring shift seat (36) is arranged at a position corresponding to the shift seat storage space at the bottom of the inner cavity of the body (21); the spring shift seat (36) is arranged correspondingly directly below the limit seat (19).

2. A Hall switch structure according to claim 1, characterized in that: Central axis fixing blocks (12) are provided at the top of the inner cavity of the shell (10) and on opposite sides in the length direction; guide grooves (34) for inserting the central axis fixing blocks (12) are formed on opposite sides of the inner side wall of the body (21); the central axis fixing blocks (12) on both sides are correspondingly inserted into the guide grooves (34) and are in contact with the supporting central axis (15).

3. A Hall switch structure according to claim 1, characterized in that: A plurality of mounting protrusions (28) are provided on one side of the wheel body (29) close to the wheel cover plate (14), and a plurality of second mounting protrusions (25) are provided on one side of the wheel cover plate (14) close to the wheel body (29); the second mounting protrusions (25) are correspondingly inserted into the mounting protrusions (28) and are in interference contact with the mounting protrusions (28).

4. A Hall switch structure according to claim 3, characterized in that: A mating convex ring (35) corresponding to the spring support ring (32) is coaxially convexly provided on the middle part of a side surface of the wheel cover plate (14) close to the wheel body (29); the mating convex ring (35) is correspondingly embedded in the spring support ring (32) and is in close contact with the inner side wall of the spring support ring (32).

5. A Hall switch structure according to any one of claims 1 to 4, characterized in that: The bottom of the inner cavity of the body (21) is divided by a partition (33) to form a circuit board installation cavity corresponding to the shape of the Hall circuit board (17), and the Hall circuit board (17) is correspondingly installed in the circuit board installation cavity.

6. A Hall switch structure according to any one of claims 1 to 4, characterized in that: Two opposite side surfaces in the width direction of the body (21) are provided with pressing spring sheets (22).

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