Accessory device, operation handle and electronic device

Abstract

The utility model provides accessory equipment, an operating handle and electronic equipment, and belongs to the technical field of electronics. The accessory equipment comprises a roller assembly, a support assembly and an elastic piece mechanism. The roller assembly is rotationally arranged on the inner side of the support assembly, and an annular tooth face structure is arranged on the axial side face of the roller assembly. The support assembly is provided with an avoiding window, and the avoiding window corresponds to the annular tooth surface structure in position. The elastic piece mechanism is fixedly arranged on the outer side face of the support assembly, and at least part of the elastic piece mechanism penetrates through the receding window to abut against the annular tooth face structure in a sliding mode. According to the accessory equipment, the rotation of the roller assembly shows obvious pause feeling, a user can experience feedback of the pause feeling when operating the roller assembly to rotate, and the accessory equipment is beneficial to improving the information interaction effect between the user and the electronic equipment.

Description

TECHNICAL FIELD

[0001] The utility model relates to electronic technical field, especially an accessory device, an operating handle and an electronic device. BACKGROUND

[0002] In the related art, in order to improve the shooting experience and operation convenience of the electronic device, an operating handle (such as a shooting handle or a game handle) that can be mounted on the electronic device appears. The operating handle can improve the holding performance of the electronic device during shooting, gaming, etc., and integrates an accessory device for zooming, function switching or other operation functions.

[0003] However, the accessory device generally cannot feedback the hand feeling to the user, resulting in poor user interaction. UTILITY MODEL CONTENT

[0004] The utility model provides an accessory device, an operating handle and an electronic device, which can solve the problem that the accessory device cannot feedback the hand feeling to the user, resulting in poor user interaction.

[0005] The technical solution is as follows:

[0006] On the one hand, an accessory device is provided, which comprises a roller assembly, a bracket assembly and a spring sheet mechanism.

[0007] The roller assembly is rotationally arranged inside the bracket assembly, and the roller assembly is provided with an annular tooth surface structure on the axial side surface.

[0008] The bracket assembly is provided with an avoidance window corresponding to the position of the annular tooth surface structure, and the spring sheet mechanism is fixedly arranged on the outer side surface of the bracket assembly. At least part of the spring sheet mechanism passes through the avoidance window and slidably abuts against the annular tooth surface structure.

[0009] In some embodiments, the spring sheet mechanism comprises at least one fixed part and an abutting part.

[0010] The abutting part is integrally formed with the at least one fixed part, the at least one fixed part is fixedly connected with the bracket assembly, the abutting part is located in the avoidance window and slidably abuts against the annular tooth surface structure.

[0011] In some embodiments, the number of fixed parts is two, and the two fixed parts are integrally formed at both ends of the abutting part, respectively. The two fixed parts are fixedly connected to the outer side surface of the bracket assembly on both sides of the avoidance window.

[0012] In some embodiments, each of the fixing portions respectively comprises an arc segment, a corner segment and a fixing segment connected in a V shape, an arc of the arc segment is the same as a circumferential arc of the annular tooth surface structure, and an end of the arc segment away from the corner segment is connected with the abutting portion.

[0013] At least one of the corner segment and the fixing segment is provided with a first fixing connection structure, and an outer side surface of the support assembly is provided with a second fixing connection structure, and the first fixing connection structure is fixedly connected with the second fixing connection structure.

[0014] In some embodiments, the corner segment is provided with the first fixing connection structure.

[0015] And / or,

[0016] One of the first fixing connection structure and the second fixing connection structure is a column structure, and the other is a hole groove structure.

[0017] In some embodiments, the support assembly comprises a first support piece and a second support piece, and the first support piece and the second support piece are connected in a clamping manner along an axial direction of the roller assembly.

[0018] In some embodiments, the roller assembly comprises a roller body and a roller shaft, and the annular tooth surface structure is fixedly connected to an axial side surface of the roller body.

[0019] The roller shaft is integrally formed on an axis of the roller body, and two ends of the roller shaft are respectively rotationally connected with the support assembly.

[0020] In some embodiments, one of the annular tooth surface structure and the axial side surface of the roller body is provided with a connecting column, and the other is provided with a connecting hole.

[0021] In some embodiments, the accessory device further comprises an encoding assembly, the encoding assembly is located on an outer side of the support assembly, and a position of the encoding assembly corresponds to an end of the roller shaft, and the encoding assembly is used for detecting a rotation angle of the roller shaft.

[0022] In some embodiments, the encoding assembly and the elastic sheet mechanism are respectively located on two sides of the support assembly along an axial direction of the roller assembly.

[0023] On the other hand, an operating handle is provided, and the operating handle comprises the accessory device.

[0024] On the other hand, an electronic device is provided, and the electronic device comprises the operating handle.

[0025] The technical scheme provided by the utility model has at least the following beneficial effects:

[0026] The accessory equipment of the utility model, the outer side of support assembly is arranged with elastic sheet mechanism, the elastic sheet mechanism uses the avoidance window of support assembly and the side of gyro wheel assembly annular tooth surface structure sliding abuts, when gyro wheel assembly rotates, the elastic sheet mechanism will slide on annular tooth surface structure, because the elastic sheet mechanism can repeatedly extend into the tooth groove of annular tooth surface structure under the action of its own elasticity, make the rotation of gyro wheel assembly present obvious frustration, the user can experience the feedback of frustration when operating gyro wheel assembly rotation, be favorable to improving the information interaction effect of user and electronic equipment. BRIEF DESCRIPTION OF DRAWINGS

[0027] In order to more clearly illustrate the technical scheme in the embodiment of the utility model, the following will be briefly introduced to the drawing needed to be used in the embodiment description, obviously, the drawing in the following description only some embodiments of the utility model, for the ordinary skilled person in the art, under the premise of not paying the creative labor, still can obtain other drawings according to these drawings.

[0028] Figure 1 It is the structure schematic diagram of accessory equipment provided by the utility model embodiment;

[0029] Figure 2 It is the structure schematic diagram of elastic sheet mechanism provided by the utility model embodiment;

[0030] Figure 3 It is the structure exploded view of accessory equipment provided by the utility model embodiment;

[0031] Figure 4 It is the structure sectional view of accessory equipment provided by the utility model embodiment;

[0032] Figure 5 It is the internal structure diagram of operating handle provided by the utility model embodiment;

[0033] Figure 6 It is the external structure diagram of operating handle provided by the utility model embodiment.

[0034] The reference numerals in the drawing respectively show as follows:

[0035] 100, accessory equipment;200, shell module;

[0036] 1, gyro wheel assembly;

[0037] 11, annular tooth surface structure;111, connecting hole;12, gyro wheel body;121, positioning recess;122, connecting column;13, gyro wheel shaft;

[0038] 2, support assembly;

[0039] 21, avoidance window; 22, second fixed connection structure; 23, first support piece; 24, second support piece; 241, accommodating groove; 25, damping pad;

[0040] 3, spring piece mechanism;

[0041] 31, fixed part; 311, arc segment; 312, corner segment; 3121, first fixed connection structure; 313, fixed segment; 32, abutting part; 321, convex part;

[0042] 4, encoding assembly;

[0043] 41, encoder; 42, flexible circuit board;

[0044] 5, protective cover plate. DETAILED DESCRIPTION

[0045] Hereinafter, exemplary embodiments will be described in detail with reference to the accompanying drawings. In the following description, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements. The embodiments described in the following exemplary embodiments do not represent all the embodiments consistent with the present application. Rather, they are merely examples of devices and methods consistent with some aspects of the present application as detailed in the appended claims.

[0046] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of the present application and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. Figure 1

[0047] ​It should be understood that in the present application, "electrical connection" can be understood as physical contact and electrical conduction of components; it can also be understood as a form of connection between different components in the circuit structure through a solid line that can transmit electrical signals such as printed circuit board (PCB) copper foil or wire. "Communication connection" can refer to electrical signal transmission, including wireless communication connection and wired communication connection. Wireless communication connection does not require a physical medium and is not a connection relationship that defines the product structure. "Connection" and "connected" can refer to a mechanical connection relationship or a physical connection relationship, that is, A and B are connected or A and B are connected, which means that there is a fastening component (such as a screw, bolt, rivet, etc.) between A and B, or A and B are in contact with each other and A and B are difficult to separate.

[0048] Unless otherwise defined, all technical terms used in the embodiments of the present application have the same meanings as generally understood by those skilled in the art.

[0049] In order to make the purpose, technical scheme and advantages of the present application clearer, the embodiments of the present application will be described in further detail below with reference to the drawings.

[0050] On the one hand, in combination with the drawings shown in Figure 1 , Figure 2 and 3 , the accessory device 100 comprises a roller assembly 1, a support assembly 2 and a spring piece mechanism 3; the roller assembly 1 is rotationally arranged inside the support assembly 2, and the axial side of the roller assembly 1 is provided with an annular tooth surface structure 11.

[0051] The support assembly 2 is provided with an avoidance window 21 corresponding to the position of the annular tooth surface structure 11; the spring piece mechanism 3 is fixedly arranged on the outer side of the support assembly 2, and at least part of the spring piece mechanism 3 slides against the annular tooth surface structure 11 through the avoidance window 21.

[0052] The accessory device 100 of the present embodiment is arranged with the spring piece mechanism 3 on the outer side of the support assembly 2, and the spring piece mechanism 3 slides against the annular tooth surface structure 11 on the side of the roller assembly 1 through the avoidance window 21 of the support assembly 2; when the roller assembly 1 rotates, the spring piece mechanism 3 will slide on the annular tooth surface structure 11, and since the spring piece mechanism 3 can repeatedly extend into the tooth groove of the annular tooth surface structure 11 under the action of its own elastic force, the rotation of the roller assembly 1 presents a clear jerk feeling, and the user can experience the feedback of the jerk feeling when operating the roller assembly 1 to rotate, which is conducive to improving the information interaction effect between the user and the electronic device.

[0053] In some possible implementations, the scroll wheel assembly 1 is arranged on the inner side of the support assembly 2, and a majority of the scroll wheel assembly 1 can be located on the inner side of the support assembly 2, at least part of the scroll wheel assembly 1 is exposed on the outer side of the support assembly 2, and the outer side of the part of the scroll wheel assembly 1 can serve as an operation area of the user. The user can drive the scroll wheel assembly 1 to rotate by applying a force to the operation area.

[0054] In combination Figure 1 and Figure 2 It is shown that, in some embodiments, the elastic sheet mechanism 3 includes at least one fixed part 31 and an abutting part 32; the abutting part 32 is integrally formed with the at least one fixed part 31, the at least one fixed part 31 is fixedly connected with the support assembly 2, and the abutting part 32 is located in the avoiding window 21 and in sliding abutment with the annular tooth surface structure 11.

[0055] Through the above arrangement, the elastic sheet mechanism 3 can be fixedly connected with the support assembly 2 through the at least one fixed part 31, and the abutting part 32 is in abutment with the annular tooth surface structure 11. The abutting part 32 can be elastically supported by the fixed part 31 to achieve elastic abutment of the abutting part 32 on the annular tooth surface structure 11.

[0056] In some possible implementations, referring to Figure 2 , the middle part of the abutting part 32 is provided with a convex part 321, which is used to form a smooth abutting contact surface. The convex part 321 can reduce the wear of the abutting part 32 on the annular tooth surface structure 11 and improve the service life of the annular tooth surface structure 11.

[0057] In combination Figure 1 and Figure 2 It is shown that, in some embodiments, the number of fixed parts 31 is two, and the two fixed parts 31 are integrally connected at two ends of the abutting part 32, respectively, and are fixedly connected on the outer side of the support assembly 2 on both sides of the avoiding window 21.

[0058] By arranging the fixed parts 31 at the two ends of the abutting part 32, respectively, the abutting part 32 can be elastically supported by the two fixed parts 31, and the abutting part 32 has better elastic abutment effect. Moreover, the two fixed parts 31 fixedly connect the abutting part 32 to the support assembly 2, and the connection reliability is higher, which helps to improve the working reliability and service life of the elastic sheet mechanism 3.

[0059] In combination Figure 1 and Figure 2 It is shown that, in some embodiments, each fixed part 31 includes an arc segment 311, a corner segment 312 and a fixed segment 313 connected in a V shape, the arc segment 311 has the same circumferential curvature as the annular tooth surface structure 11, and the end of the arc segment 311 away from the corner segment 312 is connected with the abutting part 32.

[0060] The first fixed connection structure 3121 is arranged on at least one of the corner section 312 and the fixed section 313, and the second fixed connection structure 22 is arranged on the outer side of the support assembly 2. The first fixed connection structure 3121 is fixedly connected with the second fixed connection structure 22.

[0061] Through the above arrangement, the fixed part 31 is designed as a metal sheet structure similar to a V shape. On one hand, the contact area of the fixed part 31 and the outer side of the support assembly 2 can be increased, and the connection difficulty of the elastic sheet mechanism 3 and the support assembly 2 can be reduced. On the other hand, the V-shaped structure can also form a certain elastic deformation capability, and the elastic supporting effect of the abutting part 32 can be improved.

[0062] By arranging the first fixed connection structure 3121 on the corner section 312 and the fixed section 313, which can be fixedly connected to the outer side of the support assembly 2, the fixed connection of the elastic sheet mechanism 3 and the outer side of the support assembly 2 can be achieved. In addition, the arc section 311 and the abutting part 32 are the same, and both are in a movable state relative to the support assembly 2. When the abutting part 32 is pushed outward by the annular tooth surface structure 11, the abutting part 32 and the arc section 311 can respectively appear elastic deformation, which is beneficial to improve the elastic deformation performance of the elastic sheet mechanism 3.

[0063] In some possible implementation manners, reference can be made to Figure 1 and Figure 2 As shown, the two fixed parts 31 and the abutting part 32 form an elastic sheet mechanism 3 similar to an M shape. The top of the M shape faces the axis of the roller assembly 1, and the elastic sheet mechanism 3 of the M shape is an axisymmetric structure. The axis of symmetry coincides with a radial line of the roller assembly 1.

[0064] In combination with Figure 2 and Figure 3 As shown, in some embodiments, the corner section 312 is provided with the first fixed connection structure 3121.

[0065] In this embodiment, by arranging the first fixed connection structure 3121 on the corner section 312, the fixed connection of the corner section 312 and the outer side of the support assembly 2 can be achieved.

[0066] In combination with Figure 2 and Figure 3 As shown, in some embodiments, one of the first fixed connection structure 3121 and the second fixed connection structure 22 is a column structure, and the other is a hole slot structure.

[0067] By using the cooperation of the column structure and the hole slot structure, the fixed connection of the elastic sheet mechanism 3 and the support assembly 2 can be achieved, which is simple in structure and low in processing difficulty.

[0068] For example, the first fixed connection structure 3121 is a column structure, and the second fixed connection structure 22 is a hole slot structure.

[0069] For another example, the first fixed connection structure 3121 is a hole groove structure, and the second fixed connection structure 22 is a columnar structure.

[0070] In combination Figure 3 and Figure 4 As shown in

[0071] Through the above arrangement, the bracket assembly 2 includes the first bracket piece 23 and the second bracket piece 24 which are snap-fit connected, the installation difficulty of the roller assembly 1 is smaller, and the roller assembly 1 can be respectively rotationally supported by the first bracket piece 23 and the second bracket piece 24, the structure is simple, and the working reliability is higher.

[0072] In some possible implementations, referring to Figure 3 As shown in

[0073] In combination Figure 3 and Figure 4 As shown in

[0074] The roller shaft 13 is integrally formed on the axis of the roller body 12, and both ends of the roller shaft 13 are respectively rotationally connected with the bracket assembly 2.

[0075] Through the above arrangement, the roller body 12 and the roller shaft 13 of the roller assembly 1 are an integrally formed structure, the processing is convenient, and the structural reliability is high.

[0076] In some possible implementations, referring to Figure 3 and Figure 4 As shown in

[0077] In combination Figure 3As shown, the annular tooth surface structure 11 and one of the axial sides of the roller body 12 are provided with a connecting column 122, and the other is provided with a connecting hole 111. Exemplarily, the annular tooth surface structure 11 is provided with a connecting hole 111, and the axial side of the roller body 12 is provided with a connecting column 122. It should be noted that the positions of the connecting hole 111 and the connecting column 122 can also be interchanged. Through the plug-in fit of the connecting hole 111 and the connecting column 122, the fixed connection of the annular tooth surface structure 11 and the roller body 12 can be realized.

[0078] In combination Figure 3 And Figure 4 As shown, in some embodiments, the accessory device 100 further comprises an encoding assembly 4, the encoding assembly 4 is located outside the support assembly 2, and the encoding assembly 4 corresponds to the position of one end of the roller shaft 13, and the encoding assembly 4 is used to detect the rotation angle of the roller shaft 13.

[0079] Through the above arrangement, the accessory device 100 can detect the rotation angle of the roller shaft 13 by using the encoding assembly 4, and convert the rotation angle of the roller shaft 13 into an electrical signal, so as to facilitate the electronic device to realize corresponding function control.

[0080] In some possible implementations, referring to Figure 3 As shown, the encoding assembly 4 comprises an encoder 41 and a flexible circuit board 42, the encoder 41 is threaded on the roller shaft 13, the encoder 41 is connected with the flexible circuit board 42, and the flexible circuit board 42 is integrated with electrical elements.

[0081] In combination Figure 3 And Figure 4 As shown, in some embodiments, the encoding assembly 4 and the elastic sheet mechanism 3 are respectively located on the two axial sides of the support assembly 2 along the roller assembly 1.

[0082] Through the above arrangement, the encoding assembly 4 and the elastic sheet mechanism 3 are respectively arranged on the two axial sides of the support assembly 2, so as to make full use of the axial space of the support assembly 2, and avoid the position interference between the encoding assembly 4 and the elastic sheet mechanism 3.

[0083] In some possible implementations, referring to Figure 4 As shown, the encoding assembly 4 is located on the second support piece 24, and the elastic sheet mechanism 3 is located on the first support piece 23.

[0084] The outer side of the second support piece 24 is provided with an inwardly recessed accommodating groove 241, and the encoding assembly 4 is located in the accommodating groove 241, so that the accommodating groove 241 can play a protection effect on the encoding assembly 4.

[0085] Exemplarily, referring to Figure 3As shown, the accessory device 100 further comprises a protective cover plate 5, which covers the opening of the accommodating groove 241, protects the internal coding assembly 4, and guides the flexible circuit board 42 to extend in the direction perpendicular to the axial direction of the roller assembly 1.

[0086] In another aspect, in combination with Figure 5 and Figure 6 As shown, the embodiment provides an operation handle, which comprises the accessory device 100 of the utility model.

[0087] The operation handle of the embodiment adopts the accessory device 100 of the utility model, and has all the beneficial technical effects of all the embodiments herein. The operation handle of the embodiment belongs to the peripheral hardware of the electronic device, can be used for wired or wireless connection of the electronic device, and can realize functions such as focusing, page turning, volume adjustment, function switching, etc. of the electronic device through the rotary operation of the accessory device 100.

[0088] Exemplarily, the operation handle of the embodiment can be a separate structure or an integrated structure with other peripheral hardware. The operation handle can be assembled on the electronic device (such as a smart phone, etc.) or on the peripheral module (such as a phone case, etc.).

[0089] The operation handle in the utility model can also be called external equipment, peripheral equipment, etc.

[0090] Exemplarily, the operation handle can be a device combined with the electronic device to enhance the function of the electronic device, such as a charger (including a wireless charger), a card reader, a battery, etc. to enhance the function and / or aesthetics of the electronic device; or can be a device attached to the electronic device to protect the electronic device, such as a protective sleeve, a support, etc. to enhance the protection or support of the electronic device.

[0091] Exemplarily, the operation handle can be an "active" accessory with the ability to provide and / or receive power, or can be a "passive" accessory without the ability to provide or receive power.

[0092] In some possible implementation manners, with reference to Figure 5 and Figure 6 As shown, the operation handle further comprises a shell module 200, the accessory device 100 is located in the shell module 200, and at least part of the outer circumferential surface of the roller assembly 1 in the accessory device 100 is exposed to the outside of the shell module 200, so that the user can drive the roller assembly 1 to rotate by applying an external force to the roller assembly 1. In the scene where the operation handle is connected with the shooting device, the user can realize the control of the shooting device by driving the roller assembly 1 to rotate.

[0093] In another aspect, the embodiment provides an electronic device, which comprises the operation handle of the utility model. The operation handle of the embodiment adopts the operation handle of the utility model, and has all the beneficial technical effects of all the embodiments herein.

[0094] It should be noted that the "several", "at least one" mentioned in this paper refers to one or more, "several", "at least two" refers to two or more. "And / or", which describes the relationship between the associated objects, means that there may be three kinds of relationships, for example, A and / or B, which can represent the existence of A alone, the existence of A and B at the same time, and the existence of B alone. The character " / " generally represents that the associated objects before and after are in an "or" relationship.

[0095] In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features defined as "first", "second" can explicitly or implicitly include one or more features. In the description of the utility model, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0096] In the utility model, unless otherwise specifically defined and limited, the "upper" or "lower" of the first feature in the second feature can include the direct contact of the first and second features, or the contact of the first and second features through another feature between them. Moreover, the "upper", "upper" and "upper" of the first feature in the second feature include the vertical and inclined upward of the first feature above the second feature, or only indicate that the horizontal height of the first feature is higher than that of the second feature. The "below", "below" and "below" of the first feature in the second feature include the vertical and inclined downward of the first feature below the second feature, or only indicate that the horizontal height of the first feature is less than that of the second feature.

[0097] In the description of the specification, the description of the terms "some embodiments", "one embodiment", "some embodiments", "illustrative embodiments", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the described embodiments or examples are included in at least one embodiment or example of the utility model.

[0098] The above is only an embodiment of the utility model and does not limit the utility model, any modification, equivalent replacement, improvement, etc. made within the principles of the utility model shall be included in the protection scope of the utility model.

Claims

1. An accessory device (100), characterized by, The accessory device (100) comprises a roller assembly (1), a bracket assembly (2) and a spring mechanism (3); The roller assembly (1) is rotationally arranged inside the bracket assembly (2), and an annular tooth surface structure (11) is arranged on the axial side of the roller assembly (1); The bracket assembly (2) is provided with an avoiding window (21) corresponding to the position of the annular tooth surface structure (11); and the spring mechanism (3) is fixedly arranged on the outer side of the bracket assembly (2), and at least part of the spring mechanism (3) passes through the avoiding window (21) and is in sliding abutment with the annular tooth surface structure (11).

2. The accessory device (100) of claim 1, characterized in that The spring mechanism (3) comprises at least one fixed part (31) and an abutment part (32); The abutment part (32) is integrally formed with the at least one fixed part (31), the at least one fixed part (31) is fixedly connected with the bracket assembly (2), and the abutment part (32) is located in the avoiding window (21) and is in sliding abutment with the annular tooth surface structure (11).

3. The accessory device (100) of claim 2, characterized in that The number of the fixed parts (31) is two, and the two fixed parts (31) are integrally formed and connected at two ends of the abutment part (32), respectively, and the two fixed parts (31) are fixedly connected on the outer side of the bracket assembly (2) on both sides of the avoiding window (21).

4. The accessory device (100) of claim 2, characterized in that Each fixed part (31) comprises an arc segment (311), a corner segment (312) and a fixed segment (313) connected in a V shape, respectively, the radian of the arc segment (311) is the same as the circumferential radian of the annular tooth surface structure (11), and the end of the arc segment (311) away from the corner segment (312) is connected with the abutment part (32); At least one of the corner segment (312) and the fixed segment (313) is provided with a first fixed connection structure (3121), and the outer side of the bracket assembly (2) is provided with a second fixed connection structure (22), and the first fixed connection structure (3121) is fixedly connected with the second fixed connection structure (22).

5. The accessory device (100) of claim 4, characterized in that The corner segment (312) is provided with a first fixed connection structure (3121); And / or, One of the first fixed connection structure (3121) and the second fixed connection structure (22) is a column structure, and the other is a hole structure.

6. The accessory device (100) according to any one of claims 1 to 5, characterized in that, The bracket assembly (2) comprises a first bracket piece (23) and a second bracket piece (24), and the first bracket piece (23) and the second bracket piece (24) are snap-fit connected along the axial direction of the roller assembly (1).

7. The accessory device (100) according to any one of claims 1 to 5, characterized in that, The roller assembly (1) comprises a roller body (12) and a roller shaft (13), and the annular tooth surface structure (11) is fixedly connected on the axial side of the roller body (12); The roller shaft (13) is integrally formed on the axis of the roller body (12), and the two ends of the roller shaft (13) are rotationally connected with the bracket assembly (2), respectively.

8. The accessory device (100) of claim 7, characterized by The annular tooth surface structure (11) and one of the axial sides of the roller body (12) is provided with a connecting column (122), and the other is provided with a connecting hole (111).

9. The accessory device (100) of claim 7, wherein, The accessory device (100) further comprises an encoding assembly (4) located outside the support assembly (2) and corresponding to the position of one end of the roller shaft (13), the encoding assembly (4) being used to detect the rotation angle of the roller shaft (13).

10. The accessory device (100) of claim 9, characterized by The encoding assembly (4) and the elastic sheet mechanism (3) are respectively located on both sides of the support assembly (2) along the axial direction of the roller assembly (1).

11. A handle, characterized in that The operating handle comprises the accessory device (100) according to any one of claims 1 to 10.

12. An electronic device, comprising: The electronic device comprises the operating handle according to claim 11.

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