Rotating wheel structure, encoder, computer equipment and device

Abstract

The utility model discloses a rotating wheel structure, an encoder, computer equipment and a device, and the rotating wheel structure comprises a first wheel body which is provided with a tooth surface; the second wheel body is combined with the first wheel body, and a first insertion hole is formed in the first wheel body or the second wheel body; the silencing part is arranged between the first wheel body and the second wheel body, a second inserting hole is formed in the silencing part, and the second inserting hole corresponds to the first inserting hole in position; the silencing piece is made of elastic materials, and the aperture of the second inserting hole is smaller than that of the first inserting hole. Through the ingenious structure, the noise reduction problem during rolling of the roller and the hand feeling problem during downward pressing of the roller are well considered, the use experience of a user is improved, the structure is simple and ingenious, and implementation is easy.

Description

TECHNICAL FIELD

[0001] The utility model relates to encoder technical field, concretely is a kind of runner structure, encoder, computer equipment and device. BACKGROUND

[0002] Encoder is a kind of displacement conversion equipment for electrical signal and output, for example, mouse, mouse is provided with scroll wheel, user can be conveniently browsed webpage or document by scrolling scroll wheel.Specifically, mouse is provided with encoder inside, scroll wheel is connected with rotating shaft, rotating shaft is linked with scroll wheel, one end of rotating shaft is inserted in encoder, drives the rotation of runner in encoder, and the rotation of scroll wheel is converted into electrical signal by component in encoder;Encoder is provided with positioning elastic sheet, runner is provided with tooth surface, by the action of positioning elastic sheet and tooth surface, when scroll wheel rolls, it presents segmented damping feeling, to improve controllability and use experience when operating scroll wheel.

[0003] In prior art, runner is single hard structure made of one-piece single material plastic, runner is provided with the jack that is adapted to rotating shaft, rotating shaft drives runner to rotate through jack, and this structure has the following defects:

[0004] In order to facilitate the insertion of rotating shaft into jack, gap fit is arranged between the two, and when runner rotates, obvious impact sound is generated between positioning elastic sheet and tooth surface when relatively rotating, and this impact sound is transmitted outside through the gap between rotating shaft and jack, so that user has obvious noise when operating scroll wheel to roll, and this noise can easily penetrate the quiet night or highly concentrated working environment, become noise source that disturbs people's heart, and pose potential threat to user's concentration and work efficiency.In order to reduce this noise, the gap between rotating shaft and jack is set as small as possible in prior art to reduce noise transmission.However, this will bring another problem: scroll wheel on mouse is usually also set to be pressed down, for example, user can press down scroll wheel and move mouse to move webpage page up and down, left and right, etc., and too small gap between rotating shaft and jack will affect the pressing down operation of scroll wheel, so that it is more laborious when finger presses down mouse scroll wheel, or local recurrence phenomenon is generated, so that user's experience is not good.Therefore, in prior art, the gap between rotating shaft and jack cannot be set too large, and the gap between rotating shaft and jack cannot be set too small, and the noise reduction problem when scroll wheel rolls and the hand feeling problem when scroll wheel is pressed down are contradictory, and have not been well considered and solved.

[0005] Therefore, it is necessary to improve and optimize the existing encoder. UTILITY MODEL CONTENT

[0006] The utility model aims at solving one of prior art problems at least. For this purpose, the utility model provides a rotating wheel structure, an encoder, a computer device and an apparatus, which take into account the noise reduction problem when the roller rolls and the hand feeling problem when the roller is pressed down, and the user experience is good.

[0007] The utility model solves technical problems by adopting the technical scheme of:

[0008] In the first aspect, the utility model provides a rotating wheel structure, which comprises:

[0009] A first wheel body is provided with a tooth surface;

[0010] A second wheel body is combined with the first wheel body, and the first wheel body or the second wheel body is provided with a first insertion hole;

[0011] A sound reduction piece is arranged between the first wheel body and the second wheel body, the sound reduction piece is provided with a second insertion hole, and the second insertion hole corresponds in position to the first insertion hole;

[0012] The sound reduction piece is made of an elastic material, and the aperture of the second insertion hole is smaller than the aperture of the first insertion hole.

[0013] Optionally, the first wheel body is provided with a fixing pin, the second wheel body is provided with a fixing hole, the fixing pin is inserted into the fixing hole, the combination and fixation of the first wheel body and the second wheel body are realized, and the sound reduction piece, the first wheel body and the second wheel body are arranged in a split mode; alternatively, the sound reduction piece and the first wheel body or the second wheel body are integrally injection molded; or the first wheel body, the second wheel body and the sound reduction piece are integrally injection molded.

[0014] Optionally, the sound reduction piece is in the shape of a tooth, a polygon or a circle, the first wheel body or / and the second wheel body is provided with a clamping groove, the clamping groove is matched with the sound reduction piece, and the sound reduction piece is arranged in the clamping groove.

[0015] Optionally, the sound reduction piece is made of silica gel or rubber, and the first wheel body and the second wheel body are made of plastic.

[0016] Optionally, the second insertion hole and the first insertion hole are coaxially arranged, the first insertion hole and the second insertion hole are circular or polygonal in shape, and the shapes of the first insertion hole and the second insertion hole are the same or different.

[0017] Optionally, the first insertion hole has an inclined hole wall which is arranged in an inclined mode along the axial direction of the first insertion hole, and the aperture of the inclined hole wall close to the second insertion hole is smaller than the aperture of the inclined hole wall away from the second insertion hole.

[0018] In the second aspect, the utility model embodiment provides a kind of encoder, including shell, positioning elastic sheet and switching sheet are arranged in the shell, the positioning elastic sheet is fixedly connected with the shell, still include the rotating wheel structure of any one of the first aspect as claimed in any one of the above embodiments, the rotating wheel structure is rotatably connected on the shell, the positioning elastic sheet is abutted with the gear surface, the switching sheet is fixed on the rotating wheel, and it can rotate with rotating wheel.

[0019] Optionally, the shell includes a base and a housing, a damping elastic pad is arranged between the positioning elastic sheet and the housing, and a conductive terminal is connected to the base.

[0020] In the third aspect, the utility model embodiment provides a computer device, which includes the encoder of any one of the above second aspect embodiments, and further includes a roller, a rotating shaft is connected to the roller, the rotating shaft is linked with the roller, the rotating shaft is inserted into the first and second insertion holes, at least part of the first insertion hole is gap-fitted with the rotating shaft, the second insertion hole is wrapped around the rotating shaft, and the second insertion hole is interference-fitted with the rotating shaft.

[0021] Optionally, the first insertion hole has an inclined hole wall that is inclined along the axial direction of the first insertion hole, the hole diameter of the inclined hole wall close to the second insertion hole is smaller than the hole diameter of the inclined hole wall away from the second insertion hole, the first insertion hole has a maximum hole diameter and a minimum hole diameter, and the first insertion hole is gap-fitted or interference-fitted with the rotating shaft at the minimum hole diameter.

[0022] Optionally, the computer device is a mouse or a keyboard.

[0023] In the fourth aspect, the utility model embodiment provides a device, which includes a computer and the computer device of any one of the above third aspect embodiments, and the computer device is electrically connected to the computer.

[0024] The utility model discloses at least one of following beneficial effects: the utility model embodiment sets up first wheel body, is provided with the tooth surface on the first wheel body, second wheel body combines with the first wheel body, is provided with the first jack on the first wheel body or the second wheel body, sound reduction piece is arranged between the first wheel body and the second wheel body, is provided with the second jack on the sound reduction piece, and the second jack corresponds with the first jack position, the sound reduction piece is elastic material, and the aperture of second jack is less than the aperture of first jack, so that when the runner structure of the embodiment is assembled with the rotating shaft and the roller, the rotating shaft is inserted in the first jack and the second jack, wherein, at least part of the position of the first jack is matched with the rotating shaft gap, the second jack is covered on the rotating shaft, and the second jack is matched with the rotating shaft interference, discards the single hard structure of the runner of integral type single material plastic of prior art, and the embodiment of the utility model cleverly decomposes the runner of traditional single hard structure into three components of the first wheel body, the second wheel body and the sound reduction piece, so that the runner structure has the elastic structure, when the roller rotates, the impact sound wave produced when the positioning elastic sheet moves relative to the tooth surface enters the runner structure inside, because the sound reduction piece is elastic material, the second jack on the sound reduction piece is matched with the rotating shaft interference, so that there is no gap and space between the sound reduction piece and the rotating shaft to allow the impact sound wave to be transmitted to the side where the roller is, the impact sound wave is shielded by the sound reduction piece, greatly reducing or eliminating the noise when the roller rolls, in view of the fact that the sound reduction piece has reduced or eliminated the noise, the gap between the first jack and the rotating shaft can be set larger without considering the noise reduction problem, thereby, the larger gap between the two provides a avoiding space for the linkage of the rotating shaft when the roller is pressed down, so that the roller is pressed down easily and easily, greatly improving the hand feeling when the roller is pressed down, the embodiment of the utility model cleverly structures, well balances the noise reduction problem when the roller rolls and the hand feeling problem when the roller is pressed down, improves the user's use experience, and the structure is simple and clever, and easy to implement. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 is a three-dimensional structure schematic diagram of the runner structure in the embodiment of the utility model;

[0026] Figure 2 is Figure 1 the exploded view of the structure shown in figure 1;

[0027] Figure 3 is Figure 1 the front projection schematic diagram of the structure shown in figure 1;

[0028] Figure 4 is Figure 1 another angle schematic diagram of the structure shown in figure 1;

[0029] Figures 5-8 is the sound reduction piece structure schematic diagram of different shapes in the embodiment of the utility model;

[0030] Figure 9is a three-dimensional structure schematic diagram of the encoder in the embodiment of the utility model;

[0031] Figure 10 is Figure 9 is another angle schematic diagram of the structure shown in the figure;

[0032] Figure 11 is the exploded schematic diagram of the encoder in the embodiment of the utility model;

[0033] Figure 12 is the internal structure schematic diagram of the encoder after hiding the shell in the embodiment of the utility model;

[0034] Figure 13 is the assembly structure schematic diagram of the roller and the rotating shaft in the embodiment of the utility model;

[0035] Figure 14 is the assembly structure schematic diagram of the roller, the rotating shaft and the encoder in the embodiment of the utility model;

[0036] Figure 15 is Figure 14 is the schematic diagram after hiding the shell, the positioning elastic sheet, the switching sheet and other structures;

[0037] Figure 16 is Figure 15 is the sectional structure schematic diagram of A-A in the figure;

[0038] Figure 17 is Figure 16 is the local enlarged view of B;

[0039] Figure 18 is the sectional schematic diagram of the encoder and the rotating shaft after assembly in the embodiment of the utility model.

[0040] Explanation of reference numerals in the drawings:

[0041] 1-first wheel body, 11-tooth surface, 12-fixing pin, 13-clamping groove, 14-hinge shaft, 2-second wheel body, 21-insert hole, 22-fixing hole, 3-silencer, 31-second insert hole, 4-shell, 41-base, 42-shell, 43-protruding column, 44-hinge hole, 5-positioning elastic sheet, 51-thimble, 6-switching sheet, 7-conductive terminal, 8-damping elastic pad, 9-roller, 10-rotating shaft. DETAILED DESCRIPTION

[0042] In order to make the purpose, technical scheme and advantages of the utility model more clear and obvious, the following will combine the drawings to explain the embodiment of the utility model in detail.

[0043] Many different embodiments or examples are provided below to implement the structure of the utility model.

[0044] Referring to Figures 1-17 , the first aspect of the utility model provides a rotating wheel structure, comprising: a first wheel body 1, the first wheel body 1 is provided with a tooth surface 11;Second wheel body 2, with the first wheel body 1 is combined, the first wheel body 1 or second wheel body 2 is provided with first jack 21, first jack 21 is used to adapt to the following rotating shaft 10, referring to Figure 1 And Figure 2 The first jack 21 is provided on the second wheel body 2 in the embodiment;Silencer 3 is arranged between the first wheel body 1 and the second wheel body 2, the silencer 3 is provided with second jack 31, second jack 31 is used to adapt to the following rotating shaft 10, second jack 31 is positionally corresponding to the first jack 21, namely the rotating shaft 10 can pass through the first jack 21 and the second jack 31 simultaneously;The silencer 3 is of elastic material, the aperture of the second jack 31 is less than the aperture of the first jack 21, in the embodiment, the silencer 3 is silica gel or rubber, and the first wheel body 1 and the second wheel body 2 are plastic parts.

[0045] Regarding the combination mode between the first wheel body 1, the second wheel body 2 and the silencer 3, in some embodiments of the utility model, referring to Figure 2 The first wheel body 1 is provided with a fixing pin 12, the second wheel body 2 is provided with a fixing hole 22, the fixing pin 12 is inserted into the fixing hole 22, the combination of the first wheel body 1 and the second wheel body 2 is fixed, the silencer 3, the first wheel body 1, the second wheel body 2 are separately arranged, and the silencer 3 is clamped and fixed by the first wheel body 1 and the second wheel body 2;In another embodiment, the silencer 3 is integrally injection molded with the first wheel body 1 or the second wheel body 2, for example, the silencer 3 is integrally injection molded with the first wheel body 1 by secondary injection molding, and then the first wheel body 1 and the second wheel body 2 are connected by the fixing pin and the fixing hole;In another embodiment, the first wheel body 1, the second wheel body 2 and the silencer 3 are integrally injection molded, for example, by multiple injection molding.

[0046] Referring to Figure 2 And Figures 5-8As shown in some embodiments of the utility model, the sound -proof part 3 is tooth shape, polygon or circle, the first wheel body 1 or / and second wheel body 2 is provided with clamping groove 13, clamping groove 13 is adapted with sound -proof part 3, sound -proof part 3 is set in clamping groove 13, by setting sound -proof part 3 as tooth shape or polygon and installing in clamping groove 13, make sound -proof part 3 relative rotation not occur relative to first wheel body 1, second wheel body 2, ensure the relative fixation of the position between three, when not needing to pass through sound -proof part 3 to deliver the rotating force of rotating shaft 10, sound -proof part 3 can also be set as circle, when sound -proof part 3 and first wheel body 1 or / and second wheel body 2 injection mould together, even if sound -proof part 3 is set as circle, rotating shaft 10 can also drive rotating wheel structure rotation through sound -proof part 3.

[0047] Referring to Figure 2 and Figure 3 As shown in some embodiments of the utility model, the second jack 31 is coaxially arranged with the first jack 21, and the hole type of the first jack 21 and the second jack 31 is circular or polygonal. The hole type of the first jack 21 and the second jack 31 can be the same, such as hexagonal in the embodiment. The hole type of the first jack 21 and the second jack 31 can also be different, such as the first jack 21 being hexagonal and the second jack 31 being circular. It can be understood that the first jack 21 can be used to drive the rotating wheel structure to rotate in cooperation with the rotating shaft 10 described below, or can be used to drive the rotating wheel structure to rotate in cooperation with the rotating shaft 10 described below through the second jack 31 alone or simultaneously.

[0048] Referring to Figure 17 and Figure 18 As shown in some embodiments of the utility model, the first jack 21 has an inclined hole wall inclinedly arranged along the axial direction thereof, and the hole diameter of the inclined hole wall close to the second jack 31 is smaller than the hole diameter of the inclined hole wall away from the second jack 31. This structure fully considers the problem of deviation from the central axis when the rotating shaft is pressed down, so that the hole wall modeling of the first jack 21 can better adapt to the pressing down of the rotating shaft 10, and thus the pressing down of the roller 9 will become easier. It can be understood that the hole wall of the first jack 21 can be entirely provided as an inclined hole wall (as shown in Figure 18 ), or a small section thereof is provided as a straight wall and the rest is provided as an inclined hole wall (as shown in Figure 17 ).

[0049] Referring to Figures 9-12As shown in the second aspect of the utility model, the encoder comprises a shell 4, the shell 4 comprises a base 41 made of plastic material and a shell 42 made of metal material, a positioning elastic sheet 5 and a switching sheet 6 are arranged in the shell 4, the positioning elastic sheet 5 is fixedly connected with the shell 4, specifically, a plurality of convex columns 43 are arranged on the base 41, the positioning elastic sheet 5 is sleeved on the convex column 43, and the encoder further comprises the rotating wheel structure in any one of the embodiments of the first aspect, the rotating wheel structure is rotatably connected to the shell 4, specifically, the rotating wheel structure is provided with a hinge shaft 14 at each end, the base 41 and the shell 42 are respectively provided with hinge holes 44, and the rotating wheel structure is rotatably connected by cooperation of the hinge shaft 14 and the hinge hole 44, the positioning elastic sheet 5 abuts against the tooth surface 11, specifically, the positioning elastic sheet 5 is provided with a thimble 51, the thimble 51 abuts against the tooth surface 11, and when the rotating wheel structure rotates, the thimble 51 switches between different tooth grooves of the tooth surface, so that the roller can be provided with segmented damping feeling, the switching sheet 6 is fixed on the rotating wheel and can rotate with the rotating wheel, in the embodiment, the switching sheet 6 is sleeved on the fixing pin 12 and located at the end face of the second wheel body 2, so that the rotation of the rotating wheel drives the switching sheet 6 to rotate, the base 41 is connected with a conductive terminal 7, the switching sheet 6 abuts against the conductive terminal 7, and the rotation of the switching sheet 6 on the conductive terminal 7 forms an electric signal, so that the physical rotation of the roller can be converted into a control signal.

[0050] Specifically refer to Figure 11 As shown in some embodiments of the utility model, a damping elastic pad 8 is arranged between the positioning elastic sheet 5 and the shell 42, the damping elastic pad 8 can be made of silica gel, the damping elastic pad 8 isolates the positioning elastic sheet 5 from the shell 42, direct contact between the two is avoided, so that when the roller rolls, the vibration of the positioning elastic sheet 5 is absorbed by the damping elastic pad 8, and the vibration cannot be transmitted to the shell 42, thereby avoiding the noise generated between the positioning elastic sheet 5 and the tooth surface 11 from being transmitted outside through the shell 42, further reducing or eliminating the noise when the roller rolls, and making the roller roll more quietly.

[0051] Specifically refer to Figures 15-18 As shown in the third aspect of the utility model, the computer device can be a mouse or a keyboard, the mouse or the keyboard comprises the encoder in any one of the embodiments of the second aspect, and further comprises a roller 9, the roller 9 is connected with a rotating shaft 10, in the embodiment, the rotating shaft 10 is integrally formed on the roller 9, the rotating shaft 10 is linked with the roller 9, the rotating shaft 10 is inserted into the first insertion hole 21 and the second insertion hole 31, at least part of the first insertion hole 21 is in clearance fit with the rotating shaft 10, the second insertion hole 31 is wrapped on the rotating shaft, and the second insertion hole 31 is in interference fit with the rotating shaft 10.

[0052] Specifically refer toFigure 17 and Figure 18 As shown in FIG. 1, in some embodiments of the present application, the first insertion hole 21 has an inclined hole wall arranged in the axial direction thereof, and the hole diameter of the inclined hole wall close to the second insertion hole 31 is smaller than the hole diameter of the inclined hole wall away from the second insertion hole 31. The first insertion hole 21 has a maximum hole diameter and a minimum hole diameter, wherein the first insertion hole 21 is in clearance fit or interference fit with the rotating shaft 10 at the minimum hole diameter. The minimum hole diameter of the first insertion hole 21 can be the inclined hole wall or a straight wall. See FIG. 2 for details. Figure 17 As shown in FIG. 2, the first insertion hole 21 is in clearance fit with the rotating shaft 10. See FIG. 3 for details. Figure 18 As shown in FIG. 3, the first insertion hole 21 is in interference fit with the rotating shaft 10 at the position close to the sound-damping member 3, and is in clearance fit with the rotating shaft 10 at other positions. When the entire hole wall of the first insertion hole 21 is in clearance fit with the rotating shaft 10, the rotating shaft 10 needs to rotate by a certain angle (of course, the angle is small) before abutting against the hole wall of the first insertion hole 21. When the rotating shaft 10 is continuously rotated, the rotating shaft 10 will drive the rotating wheel to rotate, or the rotating shaft 10 needs to rotate by a certain angle (of course, the angle is small) to drive the rotating wheel to rotate by the deformation force of the sound-damping member 3. Therefore, the rotation of the rotating wheel lags behind the rotation of the rotating shaft 10 to a certain extent. However, the first insertion hole 21 is in interference fit (the interference amount is very small, about 1 silk) with the rotating shaft 10 at the minimum hole diameter, so that the rotation of the rotating shaft 10 can be transmitted to the rotating wheel in time through the interference fit, the linkage between the rotating wheel and the rotating shaft is timely, and the lagging problem between the rotating wheel and the rotating shaft is avoided. Since the first insertion hole 21 is an inclined hole, the interference fit position between the first insertion hole 21 and the rotating shaft 10 at the minimum hole diameter is point or line contact, which does not affect the smooth pressing of the rotating shaft 10. It can be understood that the interference amount of the interference fit between the first insertion hole 21 and the rotating shaft 10 at the minimum hole diameter is very small, and is point or line contact. In addition, the rotating shaft 10 and the hole wall of the first insertion hole 21 are generally made of hard materials, and the interference fit at the minimum hole diameter cannot effectively block the propagation of noise (the sealing between the two is limited). Therefore, the sound-damping member 3 made of elastic material is necessary.

[0053] The fourth aspect of the present application also provides a device, which comprises a computer and a computer device as described in the third aspect of the present application. The computer device can be electrically connected to the computer, and the electrical connection can be wired or wireless.

[0054] As shown in FIG. 1, in some embodiments of the present application, the first insertion hole 21 has an inclined hole wall arranged in the axial direction thereof, and the hole diameter of the inclined hole wall close to the second insertion hole 31 is smaller than the hole diameter of the inclined hole wall away from the second insertion hole 31. The first insertion hole 21 has a maximum hole diameter and a minimum hole diameter, wherein the first insertion hole 21 is in clearance fit or interference fit with the rotating shaft 10 at the minimum hole diameter. The minimum hole diameter of the first insertion hole 21 can be the inclined hole wall or a straight wall. See FIG. 2 for details. Figure 17 、 Figure 18 As shown in FIG. 1, in some embodiments of the present application, the first insertion hole 21 has an inclined hole wall arranged in the axial direction thereof, and the hole diameter of the inclined hole wall close to the second insertion hole 31 is smaller than the hole diameter of the inclined hole wall away from the second insertion hole 31. The first insertion hole 21 has a maximum hole diameter and a minimum hole diameter, wherein the first insertion hole 21 is in clearance fit or interference fit with the rotating shaft 10 at the minimum hole diameter. The minimum hole diameter of the first insertion hole 21 can be the inclined hole wall or a straight wall. See FIG. 2 for details. Figure 18, the cooperation between the hinged shaft 14 on the roller structure and the hinged hole 44 on the shell 4 is basically sealed to a level that the rotating roller structure is sealed in the shell 4 (the same as the prior art), therefore, the noise generated between the positioning elastic sheet 5 and the tooth surface 11 during work is mainly transmitted outside through the gap between the first insertion hole 21 on the rotating roller structure and the rotating shaft 10 in the prior art. In the embodiment of the present application, when the roller 9 rotates, the impact sound waves generated by the relative movement between the positioning elastic sheet 5 and the tooth surface 11 enter the inside of the rotating roller structure, and since the sound absorbing part 3 is made of elastic material, the second insertion hole 31 on the sound absorbing part 3 is in interference fit with the rotating shaft 10, so that there is no gap and space between the sound absorbing part 3 and the rotating shaft 10 to allow the impact sound waves to be transmitted to the side where the roller 9 is located, and the impact sound waves are blocked by the sound absorbing part 3, greatly reducing or eliminating the noise when the roller rolls; since the sound absorbing part 3 has reduced or eliminated the noise, the gap between the first insertion hole 21 and the rotating shaft 10 can be designed to be larger without considering the noise reduction problem, and thus the larger gap between the two provides a space for the linkage of the rotating shaft 10 to be depressed when the roller 9 is depressed, so that the roller is easy and easy to be depressed, greatly improving the hand feeling when the roller is depressed. The embodiment of the present application well balances the noise reduction problem when the roller rolls and the hand feeling problem when the roller is depressed through the ingenious structure, improves the user's experience, has simple and ingenious structure, is easy to implement and has low cost.

[0055] The embodiment of the present application is described in detail above in combination with the drawings, but the present application is not limited to the above embodiment, and various changes can be made within the knowledge of those skilled in the art without departing from the purpose of the present application.

Claims

1. A runner structure, characterized by, The application relates to a rotating wheel structure, which comprises the following parts: a first wheel body provided with a tooth surface; a second wheel body combined with the first wheel body, the first wheel body or the second wheel body being provided with a first insertion hole; a silencing piece arranged between the first wheel body and the second wheel body, the silencing piece being provided with a second insertion hole which is in position correspondence with the first insertion hole; the silencing piece is made of elastic material, and the aperture of the second insertion hole is smaller than the aperture of the first insertion hole. The first wheel body is provided with a fixing pin, the second wheel body is provided with a fixing hole, the fixing pin is inserted into the fixing hole, the first wheel body and the second wheel body are combined and fixed, and the silencing piece, the first wheel body and the second wheel body are separately arranged; or the silencing piece is integrally injection molded with the first wheel body or the second wheel body; or the first wheel body, the second wheel body and the silencing piece are integrally injection molded. The silencing piece is in the shape of a tooth, a polygon or a circle, the first wheel body or / and the second wheel body is provided with a clamping groove which is matched with the silencing piece, and the silencing piece is arranged in the clamping groove. The silencing piece is made of silica gel or rubber, and the first wheel body and the second wheel body are made of plastic. The second insertion hole is coaxially arranged with the first insertion hole, the first insertion hole and the second insertion hole are in the shape of a circle or a polygon, and the first insertion hole and the second insertion hole are the same or different in shape.

2. A runner structure according to claim 1, characterised in that: The first insertion hole is provided with an inclined hole wall which is arranged in an inclined manner along the axial direction of the first insertion hole, the aperture of the inclined hole wall close to the second insertion hole is smaller than the aperture of the inclined hole wall far from the second insertion hole.

3. A runner structure as claimed in claim 1, wherein: The application further relates to the rotating wheel structure as claimed in any one of claims 1-6, the rotating wheel structure is rotationally connected to the shell, the positioning elastic sheet is in abutment with the tooth surface, and the switching sheet is fixed on the rotating wheel and can rotate with the rotating wheel.

4. A runner structure according to any one of claims 1-3, characterized in that: The shell comprises a base and a shell body, a damping elastic pad is arranged between the positioning elastic sheet and the shell body, and a conductive terminal is connected to the base.

5. A runner structure as claimed in claim 1, wherein: The application further relates to the encoder as claimed in any one of claims 7 or 8, further comprising a roller, a rotating shaft is connected to the roller, the rotating shaft is linked with the roller, the rotating shaft is inserted into the first insertion hole and the second insertion hole, at least part of the first insertion hole is in clearance fit with the rotating shaft, the second insertion hole is wrapped on the rotating shaft, and the second insertion hole is in interference fit with the rotating shaft.

6. A runner structure as claimed in claim 1, wherein: The first insertion hole is provided with an inclined hole wall which is arranged in an inclined manner along the axial direction of the first insertion hole, the aperture of the inclined hole wall close to the second insertion hole is smaller than the aperture of the inclined hole wall far from the second insertion hole, the first insertion hole has a maximum aperture and a minimum aperture, and the first insertion hole is in clearance fit or interference fit with the rotating shaft at the minimum aperture.

7. An encoder comprising a housing, a positioning elastic sheet and a switching sheet are arranged in the housing, the positioning elastic sheet is fixedly connected with the housing, characterized in that: The computer equipment is a mouse or a keyboard.

8. The encoder of claim 7, wherein: The application further relates to the computer equipment as claimed in any one of claims 9-11, and the computer equipment is electrically connected with the computer.

9. A computer device, characterized by: ​ 10. The computer device of claim 9, wherein: ​ 11. The computer device of claim 9 or 10, wherein: ​ 12. An apparatus comprising a computer, the apparatus characterized by: ​

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