CN222439932U - Tablet type magnetic induction encoder and electronic device - Google Patents

Abstract

The present application relates to a pressed-type magnetic induction encoder and an electronic device, wherein a pressed-type magnetic induction encoder comprises: a casing, which is provided with an installation cavity, and a rotor positioning hole is provided at the bottom of the installation cavity; a hand-feeling component, which is installed in the installation cavity and is provided with a through hole; a rotor, one end of which passes through the through hole and the rotor positioning hole in sequence and is located outside the casing, and is spaced apart from the side walls of the through hole and the side walls of the rotor positioning hole, and the other end is rotatably arranged in the installation cavity, and a tooth position is arranged on a surface close to the hand-feeling component; the tooth position is arranged in coordination with the hand-feeling component, so that when the rotor rotates, the hand-feeling component contacts each tooth position in sequence to generate a gear feedback sense. In this way, the rotor only needs to be passed through the through hole and the rotor positioning hole for installation, so that while ensuring that the rotor can generate a gear feedback sense when rotating, the coordination installation of the pressed-type magnetic induction encoder is simpler, and its practicality is effectively improved.

Description

Tablet type magnetic induction encoder and electronic device

Technical Field

The application relates to the field of magnetic induction encoders, in particular to a tablet magnetic induction encoder and an electronic device.

Background

The mouse encoder is a mechanical rotary electric signal generating device, which is an electronic element that directly converts the rotated angular displacement into a digital signal. The mouse encoder is widely applied to mice and has the characteristics of high use frequency and high operation randomness. Thus, the performance of the mouse encoder will directly impact the user experience of the mouse.

In order to obtain feedback sense when the encoder is used, teeth are arranged on the outer side of the rotary disc, a torsion spring and a limiting elastic piece are arranged in the encoder, the torsion spring is arranged in the shell, one end of the limiting elastic piece is rotated in the shell, one end of the torsion spring is abutted to the limiting elastic piece, and therefore when the rotary disc rotates, the limiting elastic piece is guaranteed to be always contacted with each tooth through the rebound effect of the torsion spring. However, the torsion spring and the limiting elastic piece are required to be installed respectively, the coordination installation is troublesome, and the practicability is low.

Disclosure of utility model

The application provides a tablet magnetic induction encoder and an electronic device, which are used for solving the problems that the torsion spring and the limiting elastic piece are required to be respectively arranged in the background art, the coordination installation is troublesome and the practicability is low.

In order to solve the technical problems, the application adopts the following technical scheme:

A sheeted magnetic induction encoder comprising:

The casing is provided with an installation cavity, and the bottom of the installation cavity is provided with a rotor positioning hole;

the hand feeling generating piece is arranged in the mounting cavity and provided with a through hole;

One end of the rotor sequentially penetrates through the through hole and the rotor positioning hole to be positioned at the outer side of the casing, the rotor is arranged at intervals with the side wall of the through hole and the side wall of the rotor positioning hole, the other end of the rotor is rotatably arranged in the mounting cavity, and a tooth position is arranged on one surface close to the hand feeling generating piece;

The gear is matched with the hand feeling generating piece, so that when the rotor rotates, the hand feeling generating piece is contacted with each gear in sequence to generate gear feedback feeling.

In one embodiment, the hand feeling generating member comprises a spring ring, the spring ring is installed in the installation cavity, the spring ring is provided with a through hole, a plurality of openings are formed in the spring ring, V-shaped elastic pieces are arranged on the side walls of the openings, and when the rotor rotates, the V-shaped elastic pieces are sequentially contacted with the gear positions to generate gear position feedback feeling.

In one embodiment, the number of the openings is two, the two V-shaped elastic sheets are oppositely arranged at two sides of the elastic ring, and one end of each V-shaped elastic sheet is suspended.

In one embodiment, at least two positioning columns are arranged at the bottom of the mounting cavity, positioning small holes are formed in the hand feeling generating piece in a matched mode, and the positioning columns are mounted in the positioning small holes.

In one embodiment, the cross-sectional shape of the positioning post is configured as a circle, square, or triangle.

In one embodiment, the positioning posts are provided with chamfers thereon.

In one embodiment, a retainer is provided within the sleeve for preventing the rotor from falling out.

In one embodiment, the motor further comprises a magnet, a magnetic angle sensor, a PCB and a terminal, wherein the magnet is installed on the rotor, the PCB is installed on the casing and is arranged at intervals with the rotor and the magnet, the magnetic angle sensor is connected to the PCB, and the terminal is connected to the PCB.

In one embodiment, the magnets are arranged in a ring shape, the rotor is provided with magnetic grooves, and the magnets are arranged in the magnetic grooves.

An electronic device comprising a sheeted magnetic induction encoder according to any one of the preceding embodiments.

Compared with the prior art, the gear feedback device has the beneficial effects that the external device drives the rotor to rotate in the mounting cavity, the rotor, the side wall of the through hole and the side wall of the rotor positioning hole are arranged at intervals, the hand feeling generating piece is fixedly arranged in the shell, one surface of the hand feeling generating piece is contacted with the rotating rotor, and one surface of the hand feeling generating piece can generate acting force on the rotating gear, so that gear feedback feeling is generated. Therefore, the rotor can be installed only by penetrating through the through hole and the rotor positioning hole, so that the coordination installation of the tablet magnetic induction encoder is simpler and more convenient while gear feedback feeling can be generated when the rotor rotates, and the practicability of the tablet magnetic induction encoder is effectively improved.

Drawings

FIG. 1 is a schematic perspective view of a magnetic induction encoder of the present application;

FIG. 2 is a schematic cross-sectional view of a magnetic induction encoder of an embodiment of the present application;

FIG. 3 is a schematic diagram of a partially exploded construction of a sheeted magnetic induction encoder according to an embodiment of the present application;

FIG. 4 is a schematic view of a partial structure of a pellet type magnetic induction encoder according to an embodiment of the present application;

FIG. 5 is a schematic diagram of an exploded structure of a sheeted magnetic induction encoder according to an embodiment of the present application;

fig. 6 is an exploded view of a magnetic induction encoder of the present application.

10. The magnetic induction pressing encoder comprises 100 parts, a casing, 110 parts, a mounting cavity, 111 parts, a rotor positioning hole, 112 parts, a containing groove, 113 parts, a positioning column, 120 parts, a retainer, 130 parts, a connector, 200 parts, a rotor, 210 parts, an assembling rod, 211 parts, a driving end, 212 parts, a connecting end, 213 parts, a matching groove, 220 parts, a main body, 221 parts, a magnetic groove, 222 parts, tooth positions, 223 parts, skid ribs, 224 parts, an outer groove, 300 parts, a magnet, 400 parts, a PCB (printed circuit board), 500 parts, a terminal, 600 parts, a magnetic angle sensor, 700 parts, a hand feeling generating part, 710 parts, a spring ring, 720 parts, a through hole, 730 parts, an opening, 740 parts, V-shaped spring sheets, 750 parts and positioning small holes.

Detailed Description

The technical solution of the present application will be further specifically described below by means of specific embodiments, and with reference to the accompanying drawings, it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

Example 1

As shown in fig. 1 to 6, in the present embodiment, a tablet magnetic induction encoder includes a casing 100, a mounting cavity 110, a rotor positioning hole 111 formed at the bottom of the mounting cavity 110, a hand feeling generating member 700 mounted in the mounting cavity 110 and provided with a through hole 720, a rotor 200, one end of which sequentially passes through the through hole 720 and the rotor positioning hole 111 and is located outside the casing 100 and is spaced from the side wall of the through hole 720 and the side wall of the rotor positioning hole 111, the other end of which is rotatably disposed in the mounting cavity 110, a tooth position 222 is disposed on one surface close to the hand feeling generating member 700, and the tooth position 222 is cooperatively disposed with the hand feeling generating member 700, so that when the rotor 200 rotates, the hand feeling generating member 700 sequentially contacts each tooth position 222 to generate a gear feedback feeling.

Specifically, the left surface of the casing 100 has an installation cavity 110, the rotor 200 includes an assembly rod 210 and a main body 220, the assembly rod 210 includes a driving end 211 and a connecting end 212, the shape of the rotor positioning hole 111 and the shape of the through hole 720 are both matched with the shape of the driving end 211, the driving end 211 is positioned through the rotor positioning hole 111, the driving end 211 and the through hole 720 are arranged at intervals, the cross section of the main body 220 is set to be annular, the main body 220 is sleeved and fixed on the connecting end 212, the shape of the installation cavity 110 is matched with the shape of the main body 220, the main body 220 is rotatably arranged in the installation cavity 110, and one surface of the main body 220 close to the rotor positioning hole 111 is provided with a plurality of teeth 222 along the protrusion of the rotor positioning hole 111. The hand feeling generating piece 700 is fixedly clamped at the bottom of the mounting cavity 110, the through hole 720 and the rotor positioning hole 111 are correspondingly arranged, the hand feeling generating piece 700 is arranged between the rotor positioning hole 111 and the rotor 200, and one surface of the hand feeling generating piece 700, which is away from the rotor positioning hole 111, is sequentially contacted with each tooth position 222.

It should be noted that, the external device drives the rotor 200 to rotate in the mounting cavity 110, and positions the rotor 200 through the rotor positioning hole 111, and the rotor 200 is spaced from the sidewall of the through hole 720, and the hand feeling generating member 700 is fixedly disposed in the casing 100, and one surface of the hand feeling generating member 700 contacts with the rotating rotor 200, so that one surface of the hand feeling generating member 700 can generate an acting force on the rotating gear position 222, thereby generating a gear feedback feeling. In this way, the rotor 200 can be installed only by passing through the through hole 720 and the rotor positioning hole 111, so that the coordination installation of the tablet magnetic induction encoder 10 is simpler and more convenient while the gear feedback feeling can be generated when the rotor 200 rotates, and the practicability of the tablet magnetic induction encoder is effectively improved.

In order to facilitate the use of the hand feeling generating member 700, as shown in fig. 3 to 6, in one embodiment, the hand feeling generating member 700 includes a spring ring 710, the spring ring 710 is installed in the installation cavity 110, the spring ring 710 has a through hole 720, a plurality of openings 730 are formed in the spring ring 710, V-shaped elastic pieces 740 are disposed on the side walls of the openings 730, and when the rotor 200 rotates, the V-shaped elastic pieces 740 are sequentially contacted with each tooth position 222 to generate a gear feedback feeling.

Specifically, the elastic ring 710 is fixedly clamped in the mounting cavity 110, the middle part of the elastic ring 710 is provided with a through hole 720, the periphery of the elastic ring 710 is provided with a plurality of openings 730, the side wall of the opening 730 is provided with V-shaped elastic sheets 740, and each V-shaped elastic sheet 740 is arranged clockwise along the circumferential direction. The cone bottom of the V-shaped spring 740 is arranged away from the rotor positioning hole 111, and contacts with each tooth position 222 through the cone bottom of the V-shaped spring 740, so that gear feedback sense is generated.

In one embodiment, the conical bottom of the V-shaped dome 740 is provided with a chamfer. Thus, over-shifting is facilitated.

In order to facilitate the use of the elastic ring 710, as shown in fig. 3 to 6, in one embodiment, the number of the openings 730 is two, two V-shaped elastic pieces 740 are disposed at two opposite sides of the elastic ring 710, and one end of the V-shaped elastic piece 740 is suspended.

Specifically, the two V-shaped elastic pieces 740 are disposed clockwise along the circumferential direction, and the two V-shaped elastic pieces 740 are respectively disposed on the front and rear sides of the elastic ring 710, one end of the V-shaped elastic piece 740 is connected with the side wall of the opening 730, and the other end of the V-shaped elastic piece 740 is suspended, so that the other end of the V-shaped elastic piece 740 is disposed at intervals with the side wall of the opening 730, so as to ensure that the V-shaped elastic piece 740 has sufficient elasticity to contact with each tooth position 222, and thus gear feedback feeling can be generated sufficiently.

In order to facilitate the fixing and clamping of the elastic ring 710 in the mounting cavity 110, as shown in fig. 3, 4 and 6, in one embodiment, at least two positioning columns 113 are disposed on the bottom of the mounting cavity 110, and positioning small holes 750 are cooperatively disposed on the hand feeling generating member 700, and the positioning columns 113 are mounted in the positioning small holes 750.

Specifically, two positioning columns 113 are arranged at the bottom of the installation cavity 110 in parallel, the two positioning columns 113 are oppositely arranged at the upper side and the lower side of the rotor positioning hole 111, the positioning small holes 750 are arranged at the upper side and the lower side of the elastic ring 710, the shape of the positioning columns 113 is matched with the shape of the positioning small holes 750, and the elastic ring 710 can be fixedly clamped in the installation cavity 110 through the limiting clamping effect of the positioning columns 113 on the side walls of the positioning small holes 750.

To facilitate production of the snap ring 710, in one embodiment, the cross-sectional shape of the positioning post 113 is configured as a circle, square, or triangle.

Specifically, the shape of the elastic ring 710 is based on actual production requirements.

For example, the cross-sectional shape of the positioning post 113 is set to be circular. For another example, the cross-sectional shape of the positioning post 113 is set to be square. For another example, the cross-sectional shape of the positioning post 113 is set to be triangular.

To facilitate the snap-in of the snap ring 710 into the positioning post 113, as shown in FIG. 3, in one embodiment, a chamfer is provided on the positioning post 113.

Specifically, by providing a chamfer on an end of the positioning post 113 remote from the rotor positioning hole 111, the positioning hole 750 is facilitated to penetrate into the rotor positioning hole 111, thereby effectively increasing the practicality of the tabletted magnetic induction encoder 10.

To facilitate the installation of the rotor 200 within the sleeve 100 to prevent it from escaping the sleeve 100 when rotated, as shown in fig. 3 and 6, in one embodiment, a retainer 120 is provided within the sleeve 100 to prevent the rotor 200 from falling out. Falling-off retainer

Specifically, referring to fig. 6, an outer groove 224 is formed on a surface of the main body 220 facing away from the rotor positioning hole 111, so that a step is formed on the outer periphery of the main body 220, the retainer 120 is mounted at an end of the mounting cavity 110 facing away from the rotor positioning hole 111, and the retainer 120 is engaged with the step in a matching manner, so that the rotor 200 can be prevented from falling off. Wherein the retainers 120 may be provided as at least two back-ups, e.g., four back-ups.

To facilitate insertion into rotor 200, in one embodiment, a chamfer is provided on the back-off, as shown in FIG. 3.

Specifically, the end of the retainer 120 away from the rotor positioning hole 111 is provided with a chamfer, so that smooth rotation of the rotor 200 can be ensured by providing the chamfer at the left end of the back-off to avoid jamming.

To facilitate the use of the magnetic induction encoder, as shown in fig. 2, 5 and 6, in one embodiment, the tablet magnetic induction encoder 10 further includes a magnet 300, a magnetic angle sensor 600, a PCB board 400 and a terminal 500, the magnet 300 is mounted on the rotor 200, the PCB board 400 is mounted on the casing 100 and is spaced apart from the rotor 200 and the magnet 300, the magnetic angle sensor 600 is connected to the PCB board 400, and the terminal 500 is connected to the PCB board 400.

Specifically, the left surface of the casing 100 is provided with an installation cavity 110, the side wall of the installation cavity 110 is provided with an accommodating groove 112 outwards, and the shape of the accommodating groove 112 is matched with the shape of the PCB 400, so that the PCB 400 can be installed in the casing 100, and the PCB 400 can be protected through the casing 100. The magnet 300 is mounted and fixed to the main body 220. The terminals 500 are arranged in four, the four terminals 500 are embedded and welded on the PCB, the terminals 500 are electrically connected on the PCB board 400, and the four terminals 500 are embedded and clamped on the casing 100. The magnetic angle sensor 600 is welded on the PCB 400, the magnetic angle sensor 600 is electrically connected on the PCB 400, and the magnetic angle sensor 600 is correspondingly matched with the magnet 300, when the rotor 200 is driven to rotate by external force, the rotor 200 rotates in the mounting cavity 110, the magnet 300 mounted on the rotor 200 rotates along with the rotor, at this time, the magnetic angle sensor 600 mounted on the PCB 400 can induce the rotation of the magnet 300, that is, the magnetic angle sensor 600 can excite the internal magnetic sensor by utilizing the angle phase change of the magnet 300, thereby realizing the acquisition and translation of information, and then the magnetic angle sensor 600 converts the detected magnetic field strain into mV-level application electric signals, and outputs the mV-level application electric signals to the application end through the terminal 500 on the PCB 400.

In order to facilitate the installation and use of the magnet 300, as shown in fig. 2 and 6, in one embodiment, the magnet 300 is arranged in a ring shape, the rotor 200 is provided with a magnetic slot 221, and the magnet 300 is installed in the magnetic slot 221.

Specifically, the shape of the magnet 300 is configured in a ring shape, the shape of the magnetic groove 221 is configured corresponding thereto, and the center axis of the magnet 300 is configured corresponding to the center line of the magnetic angle sensor 600 in a superposition manner, thereby facilitating the induction of the magnet 300 by the magnetic angle sensor 600.

In order to prevent the magnet 300 from being separated from the magnetic groove 221, as shown in fig. 6, in one embodiment, a locking member for locking the magnet 300 is provided in the magnetic groove 221.

Specifically, the stopper is provided as a slip preventing rib 223. By providing the anti-slip ribs 223, after the magnet 300 is mounted in the magnetic groove 221, the friction force applied to the magnet 300 can be increased, thereby effectively avoiding the magnet 300 from easily separating from the magnetic groove 221. The anti-slip ribs 223 may be provided in four to ensure that the magnet 300 is tightly fitted in the rotor 200.

To facilitate assembly of the magnet 300, as shown in fig. 6, in one embodiment, the end of the anti-slip rib 223 facing away from the rotor positioning hole 111 is provided with a chamfer.

Specifically, by chamfering the left end of the anti-slip rib 223, the magnet 300 is facilitated to be pressed into the rotor 200.

To facilitate the insertion of the magnet 300, in one embodiment, the side wall of the magnetic slot 221 adjacent the attachment end 212 is provided with a chamfer, as shown in FIG. 6.

Specifically, by rounding the inside of the magnetic groove 221, the magnet 300 is facilitated to be fitted into the magnetic groove 221.

To facilitate the use of the rotor 200, as shown in fig. 2 to 4, in one embodiment, the fitting rod 210 is internally provided with a fitting groove 213, the cross-sectional shape of the fitting groove 213 is set to be hexagonal, and the diameter of the fitting groove 213 near the connection end 212 is smaller than the diameter of the fitting groove 213 near the driving end 211.

Specifically, the structure can ensure that the external driving rod is well assembled and can ensure that the external driving rod and the assembling rod 210 have high matching precision.

To facilitate mounting of the laminated magnetic induction encoder 10 on an external fitting, as shown in fig. 1 and 3, in one embodiment, the housing 100 is provided with a connector 130 for mating with the external fitting.

Specifically, the tableted magnetic induction encoder 10 is facilitated to be connected to an external fitting by providing a connector 130 at the bottom end of the housing. For example, the connecting piece 130 may be provided with two symmetrically arranged protruding points, the external assembly is a mounting plate, and small holes matched with the protruding points are formed on the mounting plate, and the protruding points are embedded and clamped in the small holes, so that the convenience in mounting the pressed sheet type magnetic induction encoder 10 on the external assembly is facilitated.

Example 2

The present embodiment is similar to embodiment 1, except that in the present embodiment, a groove is formed on a sidewall of the mounting cavity 110, the hand feeling generating member 700 is mounted in the groove, and the hand feeling generating member 700 is disposed between the rotor 200 and the PCB board 400.

Specifically, the hand feeling generating member 7007 is fixedly clamped on the side wall of the mounting cavity 110, one surface of the main body 220 away from the rotor positioning hole 111 is convexly provided with a plurality of teeth 222 along the rotor positioning hole 111, the hand feeling generating member 700 is arranged between the rotor positioning hole 111 and the rotor 200, and the cone bottom of the V-shaped elastic sheet 740 is arranged towards the rotor positioning hole 111 and sequentially contacts with the teeth 222.

Example 3

An electronic device is provided comprising the sheeted magnetic induction encoder 10 of either of embodiments 1 or 2.

Specifically, the specific arrangement of the electronic device is according to the actual production situation, and the electronic device can be an electronic device such as a mouse or an electronic watch, etc. to which the laminated magnetic induction encoder 10 can be applied. Which are known to those skilled in the art and can be implemented, and are not described in detail in this embodiment.

The drawings are for illustrative purposes only and are not to be construed as limiting the patent, and certain components of the drawings may be omitted, enlarged or reduced in order to better illustrate the present embodiments, and do not represent the actual product size, and it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationship depicted in the drawings is for illustrative purposes only and is not to be construed as limiting the present patent. In addition, it should also be understood that the thickness, length, width, etc. dimensions of the various components in the embodiments of the present application and the overall thickness, length, width, etc. dimensions of the integrated device shown in the drawings are merely illustrative and should not be construed as limiting the present application in any way.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs, the terms used in the description of this application in this application are for the purpose of describing particular embodiments only and are not intended to be limiting of the application, and the terms "comprising" and "having" and any variations thereof in the description of this application and the claims and the above description of the drawings are intended to cover non-exclusive inclusions. In the description of the present application, it should be understood that, if there is an azimuth or positional relationship indicated by terms such as "upper", "lower", "left", "right", "long", "short", etc., which are based on the azimuth or positional relationship shown in the drawings, it is merely for convenience of describing the present application and simplifying the description, and it is not indicated or implied that the apparatus or elements referred to must have a specific azimuth, be constructed and operated in a specific azimuth, so that the terms describing the positional relationship in the drawings are merely for exemplary illustration and are not to be construed as limitations of the present patent, and that the specific meanings of the terms described above should be understood by those skilled in the art according to specific circumstances.

Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The "vertical" is not strictly vertical but is within the allowable error range. "parallel" is not strictly parallel but is within the tolerance of the error. In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "attached" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, directly connected, indirectly connected through an intermediary, or may be in communication with the interior of two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances. In the description of the embodiments of the present application, the azimuth or positional relationship indicated by the technical terms "thickness", "inner", "outer", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the embodiments of the present application and simplifying the description, and are not indicative or implying that the apparatus or element in question must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the embodiments of the present application.

It is to be understood that the above examples of the present application are provided by way of illustration only and not by way of limitation of the embodiments of the present application. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the application are desired to be protected by the following claims.

Claims (10)

1. A sheeted magnetic induction encoder, comprising:

the casing (100) is provided with an installation cavity (110), and the bottom of the installation cavity (110) is provided with a rotor positioning hole (111);

A hand feeling generating member (700) which is installed in the installation cavity (110) and is provided with a through hole (720);

One end of the rotor (200) sequentially passes through the through hole (720) and the rotor positioning hole (111) to be positioned at the outer side of the shell (100), the rotor and the side wall of the through hole (720) and the side wall of the rotor positioning hole (111) are mutually spaced, the other end of the rotor is rotatably arranged in the mounting cavity (110), and a tooth position (222) is arranged on one surface close to the hand feeling generating piece (700);

The gear (222) is matched with the hand feeling generating piece (700), so that when the rotor (200) rotates, the hand feeling generating piece (700) is sequentially contacted with each gear (222) to generate gear feedback feeling.

2. The tableted magnetic induction encoder according to claim 1, wherein the hand feeling generating member (700) comprises a spring ring (710), the spring ring (710) is installed in the installation cavity (110), the spring ring (710) is provided with a through hole (720), a plurality of openings (730) are formed in the spring ring (710), V-shaped spring plates (740) are arranged on the side walls of the openings (730), and when the rotor (200) rotates, the V-shaped spring plates (740) are sequentially contacted with each tooth position (222) to generate gear feedback feeling.

3. The tabletted magnetic induction encoder according to claim 2, wherein the number of the openings (730) is two, two V-shaped elastic sheets (740) are oppositely arranged at two sides of the elastic ring (710), and one end of the V-shaped elastic sheet (740) is suspended.

4. The tabletted magnetic induction encoder according to claim 1, wherein at least two positioning posts (113) are arranged on the bottom of the mounting cavity (110), positioning small holes (750) are formed in the hand feeling generating piece (700) in a matched mode, and the positioning posts (113) are mounted in the positioning small holes (750).

5. The sheeted magnetic induction encoder of claim 4, wherein the positioning posts (113) are configured in a circular, square or triangular cross-sectional shape.

6. The tabletted magnetic induction encoder according to claim 4, wherein the positioning posts (113) are provided with chamfers.

7. The laminated magnetic induction encoder of claim 1, characterized in that a retainer (120) for preventing the rotor (200) from falling off is provided in the casing (100).

8. The tableted magnetic induction encoder according to claim 1, further comprising a magnet (300), a magnetic angle sensor (600), a PCB board (400) and a terminal (500), wherein the magnet (300) is mounted on the rotor (200), the PCB board (400) is mounted on the casing (100) and is spaced apart from the rotor (200) and the magnet (300), the magnetic angle sensor (600) is connected to the PCB board (400), and the terminal (500) is connected to the PCB board (400).

9. The tabletted magnetic induction encoder according to claim 8, wherein the magnets (300) are arranged in a ring shape, the rotor (200) is provided with magnetic grooves (221), and the magnets (300) are mounted in the magnetic grooves (221).

10. An electronic device comprising a sheeted magnetic induction encoder (10) according to any one of claims 1 to 9.