Gear shifting switch based on Hall structure

Abstract

The utility model discloses a shift switch based on a Hall structure, which comprises a base, a circuit board, a shell, an annular magnet, a panel, a shift ring, a knob, a surface cover and a magnetic sensor used for sensing the magnetic change of the annular magnet, the base and the panel are correspondingly and detachably arranged at the bottom and the top of the shell, the circuit board is fixedly arranged in the shell through the base, and the knob is fixedly arranged in the shell. The gear ring is rotatably mounted on the panel, the bottom of the gear ring penetrates through the panel and extends into the shell, the annular magnet is fixedly mounted on the gear ring, the knob is fixedly mounted on the gear ring, and the surface cover is mounted on the knob. According to the shift switch provided by the utility model, the magnetic requirements of the Hall switches are fully utilized, the two Hall switches can identify the rotation direction through the rotation of the annular magnet, the on and off of the Hall switches can be realized at the same time, and the disadvantage of poor dustproof and waterproof capabilities of the shift switch is solved under the condition that the functions are satisfied.

Description

Technical Field

[0001] The utility model relates to the technical field of electronic shifters, in particular to a shift switch based on a Hall structure. Background Art

[0002] Due to the special grating structure of traditional shift switches, the optocoupler components are on the circuit board. The grating-cut optocoupler signal needs to extend into the groove of the optocoupler, which means there must be a gap between the casing and the circuit board for the arrangement of the optocoupler components. This gap will cause dust and water to invade the structure, thereby affecting the stability of the optocoupler components and causing the switch to fail. Summary of the Invention

[0003] In response to the above problems, a shift switch based on a Hall structure is now provided, which aims to provide a solution for turning on and off two Hall chips by rotating a magnet, thereby achieving shifting and effectively solving the problems existing in the existing technology.

[0004] The specific technical solutions are as follows:

[0005] A shift switch based on a Hall effect structure includes: a base, a circuit board, a housing, a ring magnet, a panel, a gear ring, a knob, a cover, and a magnetic sensor for sensing magnetic changes in the ring magnet. The base and the panel are detachably mounted on the bottom and top of the housing respectively. The circuit board is fixedly mounted in the housing through the base. The gear ring is rotatably mounted on the panel. The bottom of the gear ring passes through the panel and extends into the housing. The ring magnet is fixedly mounted on the gear ring. The knob is fixedly mounted on the gear ring. The cover is mounted on the knob.

[0006] The outer circumferential wall of the annular magnet is provided with a magnetic inner concave portion and an outer convex portion, the inner concave portion and the outer convex portion are alternately arranged along the outer circumferential wall of the annular magnet, and the magnetic properties of the outer convex portion and the inner concave portion are opposite.

[0007] Furthermore, the knob switch also includes a shock-absorbing pad located on a side of the circuit board close to the base, and the circuit board is attached to the housing through the shock-absorbing pad.

[0008] Furthermore, a light guide column is installed on the surface cover.

[0009] Furthermore, two spring ejector pins are installed in the housing, and the spring ejector pins can abut against the gear ring.

[0010] Furthermore, two positioning protrusions are installed at intervals on the outer peripheral wall of the annular magnet, and two positioning grooves that cooperate with the positioning protrusions are correspondingly provided on the gear ring, and the annular magnet is clamped in the positioning grooves through the positioning protrusions.

[0011] Furthermore, the magnetic properties of the outer convex portion are N-level, and the magnetic properties of the inner concave portion are S-level.

[0012] Furthermore, the magnetic properties of the outer convex portion are S-level, and the magnetic properties of the inner concave portion are N-level.

[0013] Furthermore, each inner concave portion and each outer convex portion constitute a group, and the number of groups of inner concave portions and outer convex portions is the same as the number of gear slots of the gear ring.

[0014] Furthermore, the central angle corresponding to the inner concave portion is 10°, and the central angle corresponding to the outer convex portion is 20°.

[0015] Furthermore, the central angle corresponding to the inner concave portion is 20°, and the central angle corresponding to the outer convex portion is 10°.

[0016] The beneficial effects of the above scheme are:

[0017] The shift switch provided by the utility model fully utilizes the magnetic requirements of the Hall switch. Through the rotation of the annular magnet, the two Hall switches can identify the rotation direction and realize the opening and closing of the Hall switches at the same time. While meeting the functional requirements, it also solves the disadvantage of the shift switch's poor dust and water resistance. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is an exploded structural diagram of a shift switch provided in an embodiment of the present utility model;

[0019] Figure 2 A schematic diagram of the three-dimensional structure of a ring magnet provided in an embodiment of the present utility model;

[0020] Figure 3 This is a schematic diagram of the top view of the ring magnet in the utility model.

[0021] In the accompanying drawings: 1. Base; 2. Circuit board; 3. Shock-absorbing pad; 4. Housing; 5. Ring magnet; 51. Inner concave portion; 52. Outer convex portion; 53. Positioning bump; 6. Spring ejector pin; 7. Panel; 8. Shift ring; 9. Knob; 10. Surface cover; 11. Light guide column; 12. DETAILED DESCRIPTION

[0022] The following will be combined with the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative work are within the scope of protection of the present invention.

[0023] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features therein can be combined with each other.

[0024] The present invention will be further described below with reference to specific embodiments, but this is not intended to limit the present invention.

[0025] like Figure 1 、 Figure 2 As shown, the shift switch based on the Hall structure provided in the embodiment of the present invention includes a base 1, a circuit board 2, a shell 4, a ring magnet 5, a panel 7, a gear ring 8, a knob 9, a cover 10 and a magnetic sensor 12 for sensing the magnetic change of the ring magnet 5. The base 1 and the panel 7 are correspondingly snapped onto the bottom and top of the shell 4, the circuit board 2 is fixedly installed in the shell 4 through the base 1, the gear ring 8 is rotatably installed on the panel 7, the bottom of the gear ring 8 passes through the panel 7 and extends into the shell, the ring magnet 5 is snapped onto the gear ring 8, the knob 9 is fixedly installed on the gear ring 8, and the cover 10 is installed on the knob 9; wherein, a magnetic inner concave portion 51 and an outer convex portion 52 are provided on the outer peripheral wall of the ring magnet 5, the inner concave portion 51 and the outer convex portion 52 are staggered along the outer peripheral wall of the ring magnet 5, and the magnetic properties of the outer convex portion 52 and the inner concave portion 51 are opposite.

[0026] like Figure 2 As shown, in the present invention, the magnetism of the outer convex portion 52 and the inner concave portion 51 is opposite, that is, when the magnetism of the inner concave portion 51 is at level N, the magnetism of the outer convex portion 52 is correspondingly at level S, or when the magnetism of the inner concave portion 51 is at level S, the magnetism of the outer convex portion 52 is correspondingly at level N.

[0027] It can be understood that the annular magnet 5 is magnetized longitudinally in a direction parallel to the center line of the annular magnet 5. Under this structure, when the knob 9 is rotated, the knob 9 drives the annular magnet 5 to rotate through the gear ring 8 (two positioning protrusions 53 are installed on the outer wall of the annular magnet 5 at intervals, and two positioning grooves that cooperate with the positioning protrusions 53 are correspondingly provided on the gear ring 8. The annular magnet 5 is clamped on the positioning groove through the positioning protrusions 53). The magnetic sensor 12 fixed in the housing 4, such as a two-way Hall switch, can be initially located below the S level. When the annular magnet 5 rotates, the two-way Hall switches sense the magnetic changes on the annular magnet 5, such as S level-N level-S level. The two-way Hall switches are turned on and off in turn, thereby distinguishing the rotation direction of the knob 9 and sending a corresponding gear signal. To further illustrate, as Figure 3As shown, it is suitable for 12 gear slots on the existing gear ring 8. In the utility model, each inner concave portion 51 and each outer convex portion 52 can be further used as a group of NS periods, and the annular magnet 5 can be divided into 8 groups of NS periods. Under the above structure, the central angle corresponding to the inner concave portion 51 is 10°, and the central angle corresponding to the outer convex portion 52 is 20°, or the central angle corresponding to the inner concave portion 51 is 20°, and the central angle corresponding to the outer convex portion 52 is 10°. When the knob 9 is rotated to drive the annular magnet 5 to rotate one gear, the Hall switch will go through the SNS process, thereby cooperating with the gear ring 8 to send a corresponding gear signal. It should be noted that under the above structure, the assemblers can quickly select and use Hall sensors with corresponding identification capabilities according to the corresponding magnetism of the convex portion 52 and the concave portion 51. For example, when the convex portion 52 and the concave portion 51 are S pole and N pole respectively, the S-level Hall switch and the N-level Hall switch can be quickly assembled under the convex portion 52 and the concave portion 51 to avoid assembly errors or low assembly efficiency caused by unclear magnetic polarity.

[0028] The shift switch provided by the present invention fully utilizes the magnetic requirements of the Hall switch. Through the rotation of the annular magnet, the two Hall switches can identify the rotation direction and realize the opening and closing of the Hall switch at the same time. Under the above structure, when transmitting signals, there is no need for any contact between the annular magnet 5 and the circuit board 2, avoiding the notch-like structure existing in the conventional structure, forming an effective waterproof environment, and solving the disadvantage of the poor dust and water resistance of the shift switch while meeting the functional requirements.

[0029] On the basis of the above technical solution, the shift switch provided in this embodiment further includes a shock-absorbing pad 3 (made of an elastic material such as rubber). The shock-absorbing pad 3 is located on the side of the circuit board 2 close to the base 1, and the circuit board 2 is attached to the housing 4 through the shock-absorbing pad 3. The above-mentioned shock-absorbing pad 3 can not only have a shock-absorbing effect on the circuit board 2, but also have a sealing effect, reducing or even preventing the possibility of dust and water intrusion into the structure, further improving the dust and water resistance of the shift switch.

[0030] On the basis of the above technical solution, further, in order to facilitate identification of the knob 9 in a dark environment, a light guide column 11 is installed on the above-mentioned cover 10.

[0031] On the basis of the above technical solution, further, in order to increase the damping feeling, in this embodiment, two spring push pins 6 can be installed in the shell 4 with reference to the existing technology; under the above structure, the push pin in the spring push pin 6 can be abutted against the gear ring 8 under the action of the spring, and when the gear ring 8 is rotated, the push pin can slide out of the gear groove, and then slide along the peripheral wall of the gear ring 8 and slide into the next gear groove again, thereby using friction to increase the damping feeling during the rotation of the knob 9 and improve the user experience.

[0032] The above are only preferred embodiments of the present invention and do not limit the implementation methods and protection scope of the present invention. Those skilled in the art should be aware that all solutions obtained by equivalent substitutions and obvious changes made using the contents of the present invention specification should be included in the protection scope of the present invention.

Claims

1. A shift switch based on a Hall structure, characterized in that: include: A base, a circuit board, a housing, a ring magnet, a panel, a gear ring, a knob, a cover, and a magnetic sensor for sensing magnetic changes in the ring magnet; the base and the panel are detachably mounted on the bottom and top of the housing respectively; the circuit board is fixedly mounted in the housing via the base; the gear ring is rotatably mounted on the panel; the bottom of the gear ring passes through the panel and extends into the housing; the ring magnet is fixedly mounted on the gear ring; the knob is fixedly mounted on the gear ring; and the cover is mounted on the knob; The outer peripheral wall of the annular magnet is provided with a magnetic inner concave portion and an outer convex portion, the inner concave portion and the outer convex portion are alternately arranged along the outer peripheral wall of the annular magnet, and the magnetic properties of the outer convex portion and the inner concave portion are opposite.

2. The shift switch based on the Hall structure according to claim 1, characterized in that: The knob switch further includes a shock-absorbing pad located on a side of the circuit board close to the base, and the circuit board is attached to the housing via the shock-absorbing pad.

3. The shift switch based on the Hall structure according to claim 1, characterized in that: A light guide column is installed on the surface cover.

4. The shift switch based on the Hall structure according to claim 1, characterized in that: Two spring ejector pins are installed in the housing, and the spring ejector pins can abut against the gear ring.

5. The shift switch based on the Hall structure according to any one of claims 1 to 4, characterized in that: Two positioning protrusions are installed at intervals on the outer peripheral wall of the annular magnet, and two positioning grooves that cooperate with the positioning protrusions are correspondingly provided on the gear ring, and the annular magnet is clamped on the positioning grooves through the positioning protrusions.

6. The shift switch based on the Hall structure according to any one of claims 1 to 4, characterized in that: The magnetic properties of the outer convex portion are N-level, and the magnetic properties of the inner concave portion are S-level.

7. The shift switch based on the Hall structure according to any one of claims 1 to 4, characterized in that: The magnetic properties of the outer convex portion are S-level, and the magnetic properties of the inner concave portion are N-level.

8. The shift switch based on the Hall structure according to any one of claims 1 to 4, characterized in that: Each of the inner concave portions and each of the outer convex portions constitutes a group, and the number of the groups of the inner concave portions and the outer convex portions is the same as the number of the gear slots of the gear ring.

9. The shift switch based on the Hall structure according to claim 8, characterized in that: The central angle of the inner concave portion is 10°, and the central angle of the outer convex portion is 20°.

10. The shift switch based on the Hall structure according to claim 8, characterized in that: The central angle of the inner concave portion is 20°, and the central angle of the outer convex portion is 10°.

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