Adjustable trackball mouse
Patent Information
- Authority / Receiving Office
- JP · JP
- Patent Type
- Utility models
- Current Assignee / Owner
- SHENZHEN NEWUNITE ELECTRONIC CO LTD
- Filing Date
- 2026-05-08
- Publication Date
- 2026-08-03
AI Technical Summary
【0015】 既存技術と比較して、本実用新案のトラックボール調整可能なマウスが有する有益な効果は以下の通りである。 本実用新案のトラックボール調整可能なマウスは、調整構造を設けることによって、トラックボールモジュールを筐体に対して移動させることができる。これにより、トラックボールモジュール内のトラックボールの取付口における配置位置を調整することが可能となる。例えば、トラックボールモジュールを前後方向、左右方向、上下方向、左前方向、左後方向などの方向に移動させることで、取付口内でのトラックボールモジュールの異なる配置位置を調整し、使用者の多様な使用ニーズに応えることができる。具体的には、使用者の手の形や操作習慣に適合させたり、手の長さが異なる使用者層に適合させたり、あるいは使用者の異なる操作快適性の要求を満たすように調整することができる。これにより、本実用新案に係るトラックボール調整可能なマウスは、より高い実用性を有する。
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Figure 0003256871000001_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of mice, and specifically to a mouse with an adjustable trackball.
Background Art
[0002] A mouse is a type of external input device for a computer and also a pointing device that indicates the vertical and horizontal coordinate positions in a computer display system. It is named "mouse" because its shape resembles a mouse. A trackball mouse is a type of mouse, and its greatest advantage is that when in use, it is not necessary to move it around on the support surface like a mechanical mouse, which can save the operation space and reduce the fatigue of the user's wrist.
[0003] Among the trackball mice currently in circulation in the market, there is a problem that the trackball is arranged at a fixed mounting position with respect to the housing and cannot be adjusted according to the user's usage preference and comfort, and the usage method is single.
Summary of the Invention
[0004] The purpose of this utility model is to provide a mouse with an adjustable trackball and to solve the technical problem that the usage method of the trackball mouse in the existing technology is single.
[0005] To achieve the above object, this utility model discloses a mouse with an adjustable trackball, comprising the following: A housing is provided, the housing includes an upper cover and a bottom cover, an installation space is formed between the upper cover and the bottom cover, and an installation port is provided on the upper cover. A trackball module is provided, which is movably arranged in the installation space and exposed from the installation port. It is equipped with an adjustment structure, is connected to the trackball module, and is movably attached to the bottom cover, allowing the trackball module to move within the mounting opening by the action of an external force.
[0006] In one embodiment, the adjustment structure can move the trackball module in at least one of the following directions relative to the housing: forward / backward, left / right, or towards or away from the bottom cover, by the action of an external force.
[0007] In one embodiment, the bottom cover is provided with an adjustment port. The adjustment structure includes a sliding member and an adjustment member, the sliding member being connected to the trackball module and slidably provided inside the bottom cover, and the adjustment member passing through the adjustment opening, thereby moving the trackball module in the forward / backward direction and / or left / right direction by the action of an external force.
[0008] In one embodiment, the adjustment structure can move the trackball module in the forward-backward direction and the left-right direction relative to the housing by the action of an external force. The adjustment port includes a first adjustment section and a second adjustment section that are in communication with each other and form a 90-degree angle, the first adjustment section extending in the front-rear direction, and the second adjustment section extending in the left-right direction and provided at one end of the first adjustment section.
[0009] In one embodiment, the trackball-adjustable mouse further comprises a first limit structure, which is provided within the mounting space and slidably mounted on one side of the sliding member facing the top cover, thereby restricting the sliding member from detaching from the bottom cover.
[0010] In one embodiment, the slide member is provided with a limit port. The first limit structure includes a connecting portion and a first limit portion provided at one end of the connecting portion, the connecting portion being connected to the bottom cover and penetrating the limit port, and the first limit portion being slidably provided with respect to the sliding member and having a limit surface facing one side of the sliding member toward the top cover.
[0011] In one embodiment, the trackball-adjustable mouse further comprises a second limit structure, which is provided within the mounting space and slidably mounted relative to the adjustment structure, and which restricts the sliding direction of the adjustment structure relative to the bottom cover.
[0012] In one embodiment, the second limit structure includes a second limit portion and a third limit portion that form a 90-degree angle, and both the second limit portion and the third limit portion are slidably provided with respect to the adjustment structure, the second limit portion extends in the left-right direction, and the third limit portion extends in the front-rear direction.
[0013] In one embodiment, the adjustment structure further includes an adjustment bolt, which is screw-connected to the bottom cover and connected to the trackball module, and drives the trackball module to move away from or towards the bottom cover.
[0014] In one embodiment, the adjustment structure further includes a guide shaft, the axial direction of the guide shaft is parallel to the axial direction of the adjustment bolt, and guides the sliding of the trackball module. [Effects of the Invention]
[0015] Compared to existing technologies, the beneficial effects of the adjustable trackball mouse of this utility model are as follows: The adjustable trackball mouse according to this utility model allows the trackball module to be moved relative to the housing by providing an adjustment structure. This makes it possible to adjust the position of the trackball within the mounting opening of the trackball module. For example, by moving the trackball module in directions such as front / back, left / right, up / down, left-front, and left-rear, the trackball module can be adjusted to different positions within the mounting opening, thereby meeting the diverse usage needs of users. Specifically, it can be adjusted to suit the shape of the user's hand and operating habits, to suit users with different hand lengths, or to meet the different operational comfort requirements of users. As a result, the adjustable trackball mouse according to this utility model has higher practicality. [Brief explanation of the drawing]
[0016] [Figure 1] This is a schematic diagram of the structure of a trackball-adjustable mouse according to an embodiment of this utility model. [Figure 2] Figure 1 is a disassembled view of a trackball-adjustable mouse. [Figure 3] Figure 2 is an exploded view of the bottom cover, trackball module, and adjustment structure. [Figure 4] Figure 2 is a structural diagram showing the bottom cover, trackball module, and adjustment structure from one angle. [Figure 5] Figure 2 is a structural diagram showing the bottom cover, trackball module, and adjustment structure from a different angle. [Figure 6] Figure 5 is a top view of the bottom cover, trackball module, and adjustment structure. [Figure 7] Figure 6 is a partially exploded view of the bottom cover, trackball module, and adjustment structure. [Figure 8] This is a detailed enlarged view of section I in Figure 5. [Figure 9]It is a structural diagram of the trackball module and the adjustment structure in FIG. 2.
[0017] Illustration: 100 - Trackball adjustable mouse, 10 - Housing, 11 - Top cover, 12 - Bottom cover, 121 - Adjustment port, 122 - First adjustment part, 123 - Second adjustment part, 13 - Mounting space, 14 - Mounting port, 15 - Decorative cover, 151 - Interface, 16 - Through hole, 20 - Trackball module, 21 - Mounting body, 22 - Trackball, 30 - Adjustment structure, 31 - Slide member, 311 - Limit port, 32 - Adjustment member, 33 - Adjustment bolt, 34 - Guide shaft, 40 - First limit structure, 41 - Connection part, 42 - First limit part, 43 - Limit surface, 50 - Second limit structure, 51 - Second limit part, 52 - Third limit part.
Embodiments for Carrying out the Invention
[0018] Hereinafter, referring to the accompanying drawings in the embodiments of the present utility model, the technical solutions in the embodiments of the present utility model will be clearly and completely described. Obviously, the described embodiments are only some embodiments of the present utility model, not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative labor belong to the protection scope of the present utility model.
[0019] In the present utility model, the orientation or positional relationship indicated by terms such as "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", etc. is based on the orientation or positional relationship shown in the accompanying drawings. These terms are mainly for better explaining the present utility model and its embodiments, and do not limit that the shown device, element or component has a specific orientation or is configured and operated in a specific orientation.
[0020] In addition, some of the above terms may represent other meanings in addition to representing orientation or positional relationships. For example, the term "upper" may represent some kind of dependency or connection relationship depending on the situation. A person of ordinary skill in the art can understand the specific meanings of these terms in this utility model according to the specific circumstances.
[0021] In addition, the terms "attachment", "installation", "provided", "connection", and "coupling" shall be construed in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral structure, and may be a mechanical connection or an electrical connection, and may be a direct connection, an indirect connection through an intermediate medium, or an internal communication between two devices, elements or components. A person of ordinary skill in the art can understand the specific meanings of the above terms in this utility model according to the specific circumstances.
[0022] In addition, terms such as "first", "second", etc. are mainly used to distinguish different devices, elements or components (the specific types and structures may be the same or different), and do not imply or suggest the relative importance or quantity of the indicated devices, elements or components. Unless otherwise stated, "plural" means two or more.
[0023] Hereinafter, the technical solution of this utility model will be further described while referring to the embodiments and the accompanying drawings. Please refer to FIGS. 1 to 9. An embodiment of this utility model provides a trackball adjustable mouse 100. The mouse 100 includes a housing 10, a trackball module 20, and an adjustment structure 30.
[0024] Here, the housing 10 includes a top cover 11 and a bottom cover 12, with a mounting space 13 formed between the top cover 11 and the bottom cover 12, and a mounting opening 14 provided in the top cover 11. The trackball module 20 is movably mounted within the mounting space 13 and exposed through the mounting opening 14. The adjustment structure 30 is connected to the mounting body 21 and is movably attached to the bottom cover 12, and can move the trackball module 20 relative to the housing 10 by the action of an external force, that is, move it within the mounting opening 14, thereby adjusting the position of the trackball module 20 within the mounting opening 14.
[0025] The adjustable trackball mouse 100 described above allows the trackball module 20 to be moved relative to the housing 10 by providing an adjustment structure 30. This makes it possible to adjust the position of the trackball 22 within the mounting opening 14. For example, by moving the trackball module 20 in directions such as front-to-back, left-to-right, up-and-down, left-front, and left-rear, the trackball module 20 can be adjusted to different positions within the mounting opening 14, thereby meeting the diverse usage needs of users. Specifically, it can be adjusted to suit the shape of the user's hand and operating habits, to suit users with different hand lengths, or to satisfy the different operational comfort requirements of users. As a result, the adjustable trackball mouse 100 according to this utility model has higher practicality.
[0026] In this embodiment, the trackball module 20 comprises a mounting body 21 and a trackball 22 movably provided within the mounting body 21. Furthermore, the mounting body 21 is provided with a light-transmitting hole, and the trackball-adjustable mouse 100 further includes structures such as an optical lens and an optical module. Both the optical lens and the optical module are attached to the mounting body 21 and are positioned corresponding to the light-transmitting hole. The optical lens is for refracting and focusing light rays, and the optical module includes a PCB substrate and a photoelectric sensor provided on the PCB substrate. When the trackball 22 rotates, the photoelectric sensor receives an optical signal and detects the trajectory of the trackball 22's movement.
[0027] Please refer to Figures 1 and 2. To enhance the aesthetic appeal of the mouse in this embodiment, the housing 10 of this embodiment may further include a decorative cover 15. One end of the decorative cover 15 is connected to the bottom cover 12, specifically to the outer surface of the bottom cover 12. The other end extends toward the top cover 11 and is provided with an interface 151 corresponding to the mounting opening 14. The trackball 22 is exposed from both the mounting opening 14 and the interface 151. This allows for the provision of decorative covers 15 of different colors as needed, thereby enhancing the aesthetic appeal of the mouse in use.
[0028] Here, in order to increase the versatility of adjusting the trackball 22, the adjustment structure 30 of this embodiment can move the trackball module 20 in at least one of the following directions relative to the housing 10: forward / backward, left / right, or towards or away from the bottom cover 12, by the action of an external force. This allows the user to adjust the trackball module 20 to move in any of the following directions, or towards / away from the bottom cover 12, or multiple directions simultaneously, using the adjustment structure 30 as needed, thereby improving the practicality of the trackball 22.
[0029] Specifically, please refer to Figures 3 to 7. The bottom cover 12 is provided with an adjustment opening 121, and the adjustment structure 30 can move the trackball module 20 in the forward / backward direction and / or left / right direction by the action of an external force. Here, the adjustment structure 30 includes a sliding member 31 and an adjustment member 32. The sliding member 31 is connected to the trackball module 20 and is slidably mounted on the bottom cover 12, and the adjustment member 32 is positioned in the adjustment opening 121 and moves the trackball module 20 in the forward / backward direction and / or left / right direction by the action of an external force. As a result, the adjustment member 32 is exposed to the bottom cover 12. When the mouse is held in one hand and a driving force is applied to the adjustment member 32 with the other hand, the sliding member 31 slides relative to the bottom cover 12 due to the driving of the adjustment member 32, thereby adjusting the trackball module 20 in the forward / backward direction and / or left / right direction relative to the bottom cover 12.
[0030] Specifically, the adjustment structure 30 of this embodiment can move the trackball module 20 in the forward-backward direction and the left-right direction relative to the housing 10 by the action of an external force. The adjustment opening 121 includes a first adjustment section 122 and a second adjustment section 123 that communicate with each other and form a 90-degree angle, the first adjustment section 122 extending in the forward-backward direction, and the second adjustment section 123 extending in the left-right direction and provided at one end of the first adjustment section 122. As a result, the user can adjust the position of the trackball module 20 by sliding the adjustment member 32 along the first adjustment section 122 or along the second adjustment section 123 as needed.
[0031] Specifically, since the second adjustment section 123 is connected to one end of the first adjustment section 122, the adjustment port 121 in this embodiment is L-shaped.
[0032] Alternatively, in another embodiment, the bottom cover 12 is provided with a first adjustment hole extending in the front-to-back direction and a second adjustment hole extending in the left-to-right direction, with the first and second adjustment holes communicating with each other. The adjustment structure 30 is slidably positioned in the first and second adjustment holes, thereby enabling position adjustment of the trackball module 20 in the front-to-back and left-to-right directions.
[0033] In another embodiment, the adjustment structure 30 may be a spherical axis structure. The axis of the spherical axis structure is connected to the trackball module 20, and the sphere of the spherical axis structure is rotatably mounted relative to the bottom cover 12. This allows the trackball module 20 to be moved in various directions when an external force is applied to it, improving the flexibility of adjusting the trackball 22.
[0034] Alternatively, in another embodiment, the adjustment structure 30 may include a spherical axis structure and a sliding structure. The axis of the spherical axis structure is connected to the trackball module 20, and the sphere of the spherical axis structure is rotatably mounted on the sliding structure. The bottom cover 12 is provided with a first adjustment hole extending in the front-to-back direction and a second adjustment hole extending in the left-to-right direction, and the first and second adjustment holes are in communication with each other. The sliding structure is slidably mounted on the first and second adjustment holes, thereby allowing the trackball module 20 to be moved in the front-to-back and left-to-right directions by the sliding structure, and allowing the rotation of the trackball module 20 to be adjusted by the sphere. This combination of two adjustment methods further enhances the flexibility of adjustment for the trackball module 20.
[0035] Furthermore, please refer to Figures 4, 5, and 8. The sliding member 31 is slidably mounted on the bottom cover 12, and the sliding member 31 has a certain covering area. To enable the sliding member 31 to slide along the inner surface of the bottom cover 12, the trackball adjustable mouse 100 further includes a first limit structure 40. The first limit structure 40 is provided in the mounting space 13 and is slidably mounted on one side of the sliding member 31 facing the top cover 11, restricting the sliding member 31 from detaching from the bottom cover 12. As a result, the provision of the first limit structure 40 restricts the sliding member 31 to the top surface, preventing the sliding member 31 from detaching from the bottom cover 12 and allowing it to slide only on the inner surface of the bottom cover 12.
[0036] For details, please refer to Figure 8. In this embodiment, the slide member 31 is provided with a limit port 311. The first limit structure 40 includes a connecting portion 41 and a first limit portion 42 provided at one end of the connecting portion 41. The connecting portion 41 is connected to the bottom cover 12 and passes through the limit port 311. The first limit portion 42 is slidably provided with the slide member 31 and has a limit surface 43 facing one side of the slide member 31 toward the top cover 11. In this way, by connecting the first limit structure 40 to the bottom cover 12, the installation dimensions can be reduced, and interference between structures can be avoided by utilizing the space below the trackball module 20.
[0037] In another embodiment, the first limit structure 40 may be provided in the form of a limit pin. The limit pin is connected to the top cover 11 or the decorative cover 15 and is positioned parallel to one side of the slide member 31 facing the top cover 11 (i.e., the top surface of the slide member 31). This allows the limit pin and the slide member 31 to make line contact, thereby reducing the contact area with the slide member 31. This reduces friction with the slide member 31 while achieving a positioning effect for the slide member 31, thus avoiding any impact on the smooth sliding of the slide member 31.
[0038] Please refer to Figures 2 to 4. To restrict the sliding member 31 from sliding along a preset direction, the trackball adjustable mouse 100 further includes a second limit structure 50. The second limit structure 50 is provided within the mounting space 13 and is slidably mounted with respect to the adjustment structure 30, restricting the sliding direction of the adjustment structure 30 relative to the bottom cover 12. Specifically, it restricts the adjustment structure 30 from moving along forward-backward and left-right movements, preventing the sliding member 31 from wobbling during sliding. More specifically, the second limit structure 50 in this embodiment includes a second limit portion 51 and a third limit portion 52 that form a 90-degree angle, and both the second limit portion 51 and the third limit portion 52 are slidably mounted with respect to the adjustment structure 30. The second limit portion 51 extends in the left-right direction, and the third limit portion 52 extends in the forward-backward direction. In this way, the second limit portion 51 and the third limit portion 52, which have two different extension directions, can provide guidance to the slide member 31 in both the left-right and front-back directions.
[0039] Specifically, the second limit structure 50 in this embodiment is provided independently and is attached to the inner surface of the bottom cover 12, thereby being molded separately from the housing 10 and facilitating the assembly of the entire mouse.
[0040] Alternatively, in another embodiment, the second limit structure 50 may be connected to the lower surface of the slide member 31. In this case as well, it has two parts extending in the front-rear direction and the left-right direction, and corresponding limit grooves are provided on the inner surface of the bottom cover 12. The second limit structure 50 is slidably positioned within these limit grooves and can achieve the effect of restricting the sliding of the slide member 31. This reduces the space occupied by the second limit structure 50. Alternatively, in another embodiment, the second limit structure 50 may be connected to the inner surface of the bottom cover 12. In this case as well, it has two parts extending in the front-rear direction and the left-right direction, and corresponding limit grooves are provided on the lower surface of the slide member 31. The second limit structure 50 is slidably positioned within these limit grooves and can similarly achieve the effect of restricting the sliding of the slide member 31. This reduces the space occupied by the second limit structure 50.
[0041] Please refer to Figures 5 and 9. The adjustment structure 30 of this embodiment can further adjust the trackball module 20 to move away from or towards the bottom cover 12. Specifically, the adjustment structure 30 further includes an adjustment bolt 33, which is screw-connected to the bottom cover 12 and also connected to the trackball module 20, and drives the trackball module 20 to move away from or towards the bottom cover 12 relative to the housing 10. By rotating the adjustment bolt 33, the adjustment bolt 33 moves the trackball module 20 away from or towards the bottom cover 12, thereby enabling vertical position adjustment of the trackball 22 at the mounting opening 14. Specifically, the bottom cover 12 is provided with a through-hole 16 through which the adjustment bolt 33 passes.
[0042] Here, in order to match the orientation of the trackball 22 relative to the mounting opening 14, the axial direction of the adjustment bolt 33 is acute with respect to the vertical direction of the entire mouse, and the adjustment bolt 33 extends upward at an angle from the left side to the right side of the housing 10. As a result, since the trackball 22 is positioned at an angle to one side of the top cover 11, the angled adjustment bolt 33 can be matched to the orientation of the trackball 22, and therefore the trackball module 20 can be driven to move closer to the upper or lower side of the mounting opening 14 in an inclined linear motion.
[0043] Please refer to Figure 4. To ensure stability when the trackball module 20 performs linear motion driven by the adjustment bolt 33, the adjustment structure 30 further includes a guide shaft 34. The axial direction of the guide shaft 34 is parallel to the axial direction of the adjustment bolt 33 and is for guiding the sliding of the trackball module 20. For example, the guide shaft 34 may be fixedly attached to the trackball module 20 and slidably provided relative to the sliding member 31. Alternatively, the guide shaft 34 may be fixedly attached to the sliding member 31 and slidably provided relative to the trackball module 20. In either case, a guiding effect for the vertical movement of the trackball module 20 can be achieved.
[0044] Alternatively, in another embodiment, the adjustment structure 30 may include a gear and a rack. The rack is connected to the trackball module 20 and may similarly be positioned diagonally upward from left to right. The gear is exposed from the side of the top cover 11 and meshes with the rack. This allows the trackball module 20 to be moved in a linear direction by rotating the gear.
[0045] In this embodiment, "front," "rear," "left," and "right" refer to the front, rear, left, and right sides of the user, respectively. "Up and down direction" refers to the vertical direction when the mouse is placed on the support surface in its normal position during use.
[0046] The technical means disclosed in this utility model are not limited to the technical means disclosed in the embodiments described above, but also include technical solutions composed of any combination of these technical features. Furthermore, a person in the general art can make several improvements and modifications without departing from the principles of this utility model. These improvements and modifications shall also fall within the scope of protection of this utility model.
Claims
1. A trackball-adjustable mouse (100), The device comprises a housing (10), the housing (10) including a top cover (11) and a bottom cover (12), a mounting space (13) is formed between the top cover (11) and the bottom cover (12), and a mounting opening (14) is provided in the top cover (11). A trackball module (20) is provided, which is movably mounted within the mounting space (13) and exposed from the mounting opening (14), A mouse with an adjustable trackball, characterized by having an adjustment structure (30) connected to the trackball module (20) and movably mounted on the bottom cover (12), and by the action of an external force causing the trackball module (20) to move within the mounting opening (14).
2. The adjustable trackball mouse according to claim 1, characterized in that the adjustment structure (30) moves the trackball module (20) relative to the housing (10) in at least one of the following directions: forward / backward, left / right, or towards or away from the bottom cover (12).
3. The bottom cover (12) is provided with an adjustment opening (121). The adjustment structure (30) includes a sliding member (31) and an adjustment member (32), wherein the sliding member (31) is connected to the trackball module (20) and slidably provided inside the bottom cover (12), and the adjustment member (32) passes through the adjustment opening (121) and moves the trackball module (20) in the forward / backward direction and / or left / right direction by the action of an external force, as described in claim 2 for the trackball adjustable mouse.
4. The adjustment structure (30) can move the trackball module (20) in the forward-backward and left-right directions relative to the housing (10) by the action of an external force. The adjustment port (121) includes a first adjustment section (122) and a second adjustment section (123) that are in communication with each other and form a 90-degree angle, the first adjustment section (122) extends in the front-rear direction, and the second adjustment section (123) extends in the left-right direction and is provided at one end of the first adjustment section (122), characterized in that the trackball adjustable mouse according to claim 3.
5. The trackball adjustable mouse (100) further comprises a first limit structure (40), the first limit structure (40) being provided within the mounting space (13) and slidably provided on one side of the slide member (31) facing the top cover (11), thereby restricting the slide member (31) from detaching from the bottom cover (12), as described in claim 2.
6. The slide member (31) is provided with a limit port (311). The first limit structure (40) includes a connecting portion (41) and a first limit portion (42) provided at one end of the connecting portion (41), wherein the connecting portion (41) is connected to the bottom cover (12) and penetrates the limit port (311), and the first limit portion (42) is slidably provided with the slide member (31) and has a limit surface (43) facing one side of the slide member (31) toward the top cover (11), characterized in that the trackball adjustable mouse according to claim 5.
7. The trackball adjustable mouse (100) further comprises a second limit structure (50), the second limit structure (50) being provided within the mounting space (13) and slidably mounted with respect to the adjustment structure (30), and restricting the sliding direction of the adjustment structure (30) relative to the bottom cover (12), as described in claim 1.
8. The trackball adjustable mouse according to claim 7, characterized in that the second limit structure (50) includes a second limit portion (51) and a third limit portion (52) that form a 90-degree angle, both of which are slidably provided with respect to the adjustment structure (30), the second limit portion (51) extends in the left-right direction, and the third limit portion (52) extends in the front-back direction.
9. The adjustable trackball mouse according to claim 1, wherein the adjustment structure (30) further includes an adjustment bolt (33), the adjustment bolt (33) is screw-connected to the bottom cover (12) and connected to the trackball module (20), and drives the trackball module (20) to move away from or towards the bottom cover (12).
10. The adjustable trackball mouse according to claim 9, wherein the adjustment structure (30) further includes a guide shaft (34), the axial direction of the guide shaft (34) is parallel to the axial direction of the adjustment bolt (33), and guides the sliding of the trackball module (20).