Combined mouse

Abstract

The utility model discloses a combined mouse which comprises a mouse base and a key module detachably arranged on the mouse base, the key module comprises a bottom shell, an upper cover covering the bottom shell, a first circuit board arranged between the bottom shell and the upper cover, a left mouse key and a right mouse key, and the left mouse key and the right mouse key are arranged at the upper end of the upper cover. And a first optical sensor exposed at the bottom of the bottom shell is arranged on the first circuit board. In the utility model, the mouse is divided into two detachable parts, and the complete mouse function can be realized after the key module is detached, so that the key module is convenient to carry and use.

Description

Technical Field

[0001] This utility model belongs to the field of mouse technology, specifically relating to a combination mouse. Background Technology

[0002] A mouse is an external input device for computers, serving as an indicator for positioning on the computer's display system. It gets its name from its resemblance to a mouse. Its standard name is "mouse device," and its English name is "Mouse." The purpose of using a mouse is to make computer operation simpler and faster, replacing the cumbersome commands of the keyboard.

[0003] With the development of technology, mice have been divided into wired mice and wireless mice. In order to meet different needs and uses, the shape and style of mice have become more and more diverse, such as ergonomic upright mice, folding mice, etc. However, the size of the mouse will also increase accordingly. An excessively large mouse is often inconvenient to carry around. Secondly, the shape of a one-piece mouse is fixed and cannot be changed, that is, the way of holding it cannot be changed according to the user's needs. Utility Model Content

[0004] The purpose of this invention is to overcome the existing technical defects and provide a modular mouse that divides the mouse into two detachable parts, and the button module can still achieve complete mouse functions after being separated, making it convenient to carry and use the button module.

[0005] To solve the above-mentioned technical problems, this utility model provides a combination mouse, including a mouse base and a button module detachably disposed on the mouse base. The button module includes a bottom shell, an upper cover covering the bottom shell, a first circuit board disposed between the bottom shell and the upper cover, and a left mouse button and a right mouse button disposed on the upper end of the upper cover. The first circuit board is provided with a first optical sensor exposed at the bottom of the bottom shell.

[0006] Furthermore, the first circuit board is provided with a roller bracket, on which a roller located between the left mouse button and the right mouse button is rotatably mounted, and the upper cover is provided with a first through hole for the roller to pass through upward.

[0007] Furthermore, the button module also includes a first battery located between the bottom shell and the top cover, which is electrically connected to the first circuit board. The rear side of the first circuit board has a USB interface exposed at the rear end of the bottom shell. The bottom of the first circuit board has a power switch and a mode switching button. A sliding button cooperating with the power switch is slidably provided on the bottom of the bottom shell. The bottom of the bottom shell also has a first keycap for pressing the mode switching button. The rear end of the first circuit board has a DPI button, and a second keycap for pressing the DPI button is located between the left and right mouse buttons.

[0008] Furthermore, a first button switch and a second button switch are respectively provided on both sides of the front end of the first circuit board. The inner protrusion of the left mouse button is provided with a first pressing part located above the first button switch, and the inner protrusion of the right mouse button is provided with a second pressing part located above the second button switch. The front end of the top cover is provided with second through holes on both sides for the first pressing part and the second pressing part to pass downward.

[0009] Furthermore, the upper end of the top cover is provided with a face cover, the front end of the face cover is provided with a groove in the middle to divide the two sides of the face cover into the left mouse button and the right mouse button, the rear end of the top cover is provided with at least one slot, the inner side of the face cover is provided with at least one buckle that corresponds to and engages with the slot, the rear end of the top cover is provided with a positioning hole in the middle, and the inner side of the rear end of the face cover is provided with a positioning post that is inserted into the positioning hole.

[0010] Furthermore, the mouse base is provided with a receiving slot for accommodating the button module, the first circuit board is provided with multiple first spring pins exposed on the bottom of the bottom shell, the inside of the mouse base is provided with a second circuit board at the position corresponding to the receiving slot, the second circuit board is provided with multiple second spring pins exposed on the surface of the receiving slot and abutting against the first spring pins one by one, and the bottom of the mouse base is provided with a second optical sensor electrically connected to the second circuit board.

[0011] Furthermore, the bottom inner side of the bottom shell is provided with a plurality of first magnetic components, and the mouse base is provided with a plurality of second magnetic components that magnetically attach to each of the first magnetic components.

[0012] Furthermore, the mouse base also includes a third circuit board and a second battery. The third circuit board is electrically connected to the second circuit board and the second battery, respectively. The second optical sensor is located on the third circuit board. The third circuit board has a USB interface exposed on one side of the mouse base. The third circuit board also has two function buttons. The side of the mouse base has two side buttons for pressing the two function buttons respectively.

[0013] Furthermore, the bottom of the mouse base is provided with a receiving compartment for accommodating the receiver, and the opening of the receiving compartment is provided with an openable cover; the front end of the receiving slot is recessed with a retrieval groove so that a gap is formed between the front end of the button module and the receiving slot.

[0014] Furthermore, the front sides of the mouse base are respectively provided with a first clamping arm and a second clamping arm protruding forward, so as to form a clamping groove for clamping the button module between the first clamping arm and the second clamping arm. The bottom shell is provided with at least one first magnetic member on both sides and / or the rear side. The inner sides of the first clamping arm and the second clamping arm and / or the front end of the mouse base are provided with at least one second magnetic member that magnetically attracts the first magnetic member one by one. The bottom of the mouse base is provided with a receiving compartment for accommodating the receiver, and the opening of the receiving compartment is provided with an openable compartment cover.

[0015] This utility model has the following beneficial effects:

[0016] In this invention, the mouse is divided into two parts: a detachable mouse base and a button module. The button module is the operating part of the mouse and includes a left mouse button, a right mouse button, and an optical sensor. Even after being disassembled, the button module can still provide complete mouse operation. The button module is relatively small compared to the overall size of the mouse, allowing for easy portability when the mouse needs to be carried around, eliminating the need to carry the mouse base. Furthermore, the mouse base can be made in a traditional mouse style or an ergonomic vertical mouse style, allowing for different combinations of mouse bases and button modules to suit various needs and preferences. This allows users to adjust the grip and feel according to their needs, improving comfort and increasing work efficiency. For example, combining it with a vertical mouse base promotes healthy office work, while combining it with a palm grip mouse base promotes efficient office work.

[0017] Furthermore, when the button module is assembled onto the mouse base via an embedded method, because the optical sensor on the button module is blocked by the mouse base, another optical sensor electrically connected to the button module is also set on the mouse base to enable mouse movement. The button module and the mouse base are electrically connected by multiple corresponding spring pins. A magnetic connection structure is also used between the button module and the mouse base to ensure the reliability of the electrical connection and to avoid the problem of button module displacement during assembly and use.

[0018] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and will become apparent from the description or may be learned by practice of the invention. Attached Figure Description

[0019] The accompanying drawings, which are included to provide a further understanding of the present invention and form part of this application, do not constitute an undue limitation of the present invention. In the drawings:

[0020] Figure 1 This is a schematic diagram of the combined mouse in Example 1;

[0021] Figure 2 This is a schematic diagram of the combined mouse from another perspective in Example 1;

[0022] Figure 3 for Figure 2 A schematic diagram after removing the compartment cover;

[0023] Figure 4 This is a top view of the combined mouse in Example 1;

[0024] Figure 5 This is a cross-sectional view of the combined mouse in Embodiment 1 at the location corresponding to the first magnetic attachment;

[0025] Figure 6 This is a schematic diagram of the button module in the embodiment;

[0026] Figure 7 This is a schematic diagram of the button module from another perspective in the embodiment;

[0027] Figure 8 This is a cross-sectional view of the button module in the embodiment;

[0028] Figure 9 This is a schematic diagram of the faceplate in the embodiment;

[0029] Figure 10 This is a schematic diagram of the button module after the front cover has been removed in the embodiment;

[0030] Figure 11 for Figure 10 A diagram showing the interior after the top cover has been removed;

[0031] Figure 12 This is a schematic diagram of the first circuit board in the embodiment;

[0032] Figure 13 This is a schematic diagram of the bottom shell in Example 1;

[0033] Figure 14 This is a schematic diagram of the mouse base in Example 1;

[0034] Figure 15 This is a schematic diagram of the lower shell, the third circuit board, and the second battery assembled in Example 1;

[0035] Figure 16 This is a schematic diagram of the combined mouse in Example 2;

[0036] Figure 17 This is a schematic diagram of the combined mouse from another perspective in Example 2;

[0037] Figure 18 for Figure 17A schematic diagram after removing the compartment cover;

[0038] Figure 19 This is a cross-sectional view of the combined mouse in Example 2;

[0039] Figure 20 This is a schematic diagram of the mouse base in Example 2;

[0040] Figure 21 This is a schematic diagram of the bottom shell in Example 2. Detailed Implementation

[0041] To better understand the technical content of this utility model, the following will further introduce and explain this utility model in conjunction with the accompanying drawings and specific embodiments. It should be noted that if there are descriptions such as "first" and "second" in the text, they are used to distinguish different components, etc., and do not represent the order of priority, nor do they limit "first" and "second" to be different types.

[0042] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0043] Example 1

[0044] like Figures 1 to 15 As shown in the figure, the combined mouse in this embodiment includes a mouse base 1 and a button module 2 detachably mounted on the mouse base 1. The button module 2 includes a square bottom shell 21, a top cover 22 covering the bottom shell 21, a first circuit board 20 located between the bottom shell 21 and the top cover 22, and a left mouse button 23 and a right mouse button 24 located on the top of the top cover 22. The bottom shell 21 and the top cover 22 are fixed together by screws. The first circuit board 20 is provided with a first optical sensor 25 exposed at the bottom of the bottom shell 21. In this structure, the mouse is divided into two parts: a detachable mouse base and a button module. The button module is the operating part of the mouse. Furthermore, the button module includes the left and right mouse buttons and an optical sensor, meaning that the button module can still achieve complete mouse operation functions even when disassembled. The size of the button module is relatively small compared to the overall size of the mouse, so when you need to carry the mouse with you, you can detach the button module and carry it with you, without having to carry the mouse base. Secondly, the mouse base can be made in a traditional mouse style or an ergonomic vertical mouse style, so you can choose different styles of mouse bases and button modules to combine according to actual needs and usage requirements, achieving normal mouse operation, improving comfort and increasing office efficiency.

[0045] In one embodiment, such as Figures 6 to 13 As shown, the first circuit board 20 is provided with a roller bracket 26, and a roller 27 located between the left mouse button 23 and the right mouse button 24 is rotatably mounted on the roller bracket 26. The upper cover 22 is provided with a first through hole 221 for the roller 27 to pass through upward.

[0046] In one embodiment, such as Figures 6 to 13 As shown, in order to realize the button operation of the mouse, a first button switch 201 and a second button switch 202 are respectively provided on both sides of the front end of the first circuit board 20. The inner protrusion of the left mouse button 23 is provided with a first pressing part 231 located above the first button switch 235, and the inner protrusion of the right mouse button 24 is provided with a second pressing part 241 located above the second button switch 202. The front ends of the top cover 22 are provided with second through holes 222 for the first pressing part 231 and the second pressing part 241 to pass downwards. Thus, when the left mouse button 23 and the right mouse button 24 are clicked, the corresponding button switches are pressed by the pressing parts on their inner sides to realize the left and right button click operation of the mouse.

[0047] In one embodiment, such as Figures 6 to 13 As shown, the button module 2 also includes a first battery 28 located between the bottom shell 21 and the top cover 22, which is electrically connected to the first circuit board 20. The rear side of the first circuit board 20 has a USB interface 203 exposed at the rear end of the bottom shell 21 for charging the first battery. The bottom of the first circuit board 20 has a power switch 204 and a mode switching button 205. The bottom of the bottom shell 21 has a sliding key 211 that cooperates with the power switch 204, which controls the power switch 204 to be turned on or off by sliding the sliding key 211. The bottom of the bottom shell 21 also has a first keycap 212 for pressing the mode switching button 205. The upper rear end of the first circuit board 20 has a DPI button 206, and a second keycap 213 for pressing the DPI button 206 is located between the left mouse button 23 and the right mouse button 24.

[0048] In one embodiment, such as Figures 6 to 13 As shown, the upper cover 22 has a face cover 29 at its upper end. The front end of the face cover 29 has a groove 291 in the middle to divide the front two sides of the face cover 29 into a left mouse button 23 and a right mouse button 24. The rear end of the upper cover 22 has two slots 223. The inner side of the rear end of the face cover 29 has two buckles 292 that correspond to and engage with the slots 223. The rear end of the upper cover 22 has a positioning hole 224 in the middle. The inner side of the rear end of the face cover 29 has a positioning post 293 that is inserted into the positioning hole 224 to achieve the purpose of positioning and assembly.

[0049] Of course, in another specific implementation case, the left mouse button 23 and the right mouse button 24 can also be separated into two independent covers, with the rear ends of the left mouse button 23 and the right mouse button 24 respectively connected to the upper cover.

[0050] In one embodiment, such as Figures 6 to 13 As shown, a first foot pad 214 is also provided at the bottom of the button module 2, which is preferably made of Teflon.

[0051] In one embodiment, such as Figures 1 to 5 as well as Figures 14 to 15 As shown, the mouse base is designed as an ergonomic vertical mouse. A receiving groove 10 for accommodating the button module 2 is recessed on one side of the upper end of the mouse base 1. At this time, the first optical sensor in the button module is blocked by the mouse base and cannot identify the movement trajectory of the mouse and realize the movement operation. Therefore, a corresponding second optical sensor needs to be set in the mouse base to replace and realize the function of the first optical sensor. In order to realize the electrical connection between the button module and the mouse base, multiple first spring pins 207 exposed on the bottom of the bottom shell 21 are provided on the first circuit board 20. A second circuit board 11 is provided inside the mouse base 1 at the position corresponding to the receiving groove 10. Multiple second spring pins 12 exposed on the surface of the receiving groove 10 and abutting against the first spring pins 207 one by one are provided on the second circuit board 11. A second optical sensor 13 electrically connected to the second circuit board 11 is provided at the bottom of the mouse base 1. Preferably, there are eight first spring pins 207 and eight second spring pins 12.

[0052] In one embodiment, such as Figures 1 to 5 as well as Figures 14 to 15 As shown, in order to improve the bonding force and connection stability and reliability of the button module and mouse base after assembly, a plurality of first magnetic components 215 are provided on the inner bottom of the bottom shell 21, and a plurality of second magnetic components 14 corresponding to the first magnetic components 215 are provided in the mouse base 1. In this way, the reliability of the electrical connection is ensured by magnetic fixation and problems such as misalignment of the button module during use are avoided, and the button module and mouse base can be easily separated. The first magnetic component 215 and the second magnetic component 14 can both be magnets, or one can be a magnet and the other can be a metal part.

[0053] In one embodiment, such as Figures 1 to 5 as well as Figures 14 to 15As shown, the mouse base 1 also includes a third circuit board 15 and a second battery 16. The third circuit board 15 is electrically connected to the second circuit board 11 and the second battery 16. The second optical sensor 13 is mounted on the third circuit board 15. The third circuit board 15 has a USB interface 203 exposed on one side of the mouse base 1 for charging the second battery 16. The third circuit board 15 also has two function buttons 17. The mouse base 1 has two side buttons 18 on one side for pressing the two function buttons 17 respectively.

[0054] In one embodiment, such as Figures 1 to 5 as well as Figures 14 to 15 As shown, the bottom of the mouse base 1 is provided with a receiving compartment 19 for accommodating the receiver, and the opening of the receiving compartment 19 is provided with an openable cover 191; the receiver is a conventional communication device used with the wireless mouse, and will not be described in detail here.

[0055] In one embodiment, such as Figures 1 to 5 as well as Figures 14 to 15 As shown, the bottom of the receiving groove 10 is provided with a plurality of grooves 101 that correspond one-to-one with the first foot pad 214. This serves two purposes: firstly, it can be used for positioning, and secondly, it can make the button module and the mouse base fit more tightly, ensuring the reliability of the electrical connection between the two.

[0056] In one embodiment, such as Figures 1 to 5 as well as Figures 14 to 15 As shown, a retrieval groove 102 is recessed at the front edge of the receiving groove 10 so that a gap is formed between the front end of the button module 2 and the receiving groove 10 for inserting tools or fingernails, making it convenient to remove the button module through the retrieval groove.

[0057] Of course, in another specific implementation case, for different mouse base styles, such as when the button module is located at the front top of the mouse base, one side of the receiving slot can be designed as a notch, so that the side of the button module can be seen through the notch, and the button module can be easily removed outward through the notch.

[0058] In one embodiment, such as Figures 1 to 5 as well as Figures 14 to 15 As shown, a second foot pad 103 is provided at the bottom of the mouse base 1, and the second foot pad 103 is preferably made of Teflon.

[0059] In one embodiment, such as Figures 1 to 5 as well as Figures 14 to 15 As shown, the mouse base 1 consists of an upper shell 110 and a lower shell 111 fixed by screws, and a cavity 112 is formed between the upper shell and the lower shell to accommodate the second circuit board, the third circuit board and the second battery.

[0060] Example 2

[0061] like Figures 6 to 12 as well as Figures 16 to 21 As shown in the figure, the combined mouse in this embodiment includes a mouse base 1 and a button module 2 detachably mounted on the mouse base 1. The button module 2 includes a square bottom shell 21, a top cover 22 covering the bottom shell 21, a first circuit board 20 located between the bottom shell 21 and the top cover 22, and a left mouse button 23 and a right mouse button 24 located on the top of the top cover 22. The bottom shell 21 and the top cover 22 are fixed together by screws. The first circuit board 20 is provided with a first optical sensor 25 exposed at the bottom of the bottom shell 21. In this structure, the mouse is divided into two parts: a detachable mouse base and a button module. The button module is the operating part of the mouse. Furthermore, the button module includes the left and right mouse buttons and an optical sensor, meaning that the button module can still achieve complete mouse operation functions even when disassembled. The size of the button module is relatively small compared to the overall size of the mouse, so when you need to carry the mouse with you, you can detach the button module and carry it with you, without having to carry the mouse base. Secondly, the mouse base can be made in a traditional mouse style or an ergonomic vertical mouse style, so you can choose different styles of mouse bases and button modules to combine according to actual needs and usage requirements, achieving normal mouse operation, improving comfort and increasing office efficiency.

[0062] In one embodiment, such as Figures 6 to 12 As shown, the first circuit board 20 is provided with a roller bracket 26, and a roller 27 located between the left mouse button 23 and the right mouse button 24 is rotatably mounted on the roller bracket 26. The upper cover 22 is provided with a first through hole 221 for the roller 27 to pass through upward.

[0063] In one embodiment, in order to realize the button operation of the mouse, a first button switch 201 and a second button switch 202 are respectively provided on both sides of the front end of the first circuit board 20. The inner protrusion of the left mouse button 23 is provided with a first pressing part 231 located above the first button switch 235, and the inner protrusion of the right mouse button 24 is provided with a second pressing part 241 located above the second button switch 202. The front end of the top cover 22 is provided with second through holes 222 on both sides for the first pressing part 231 and the second pressing part 241 to pass downward, so that when the left mouse button 23 and the right mouse button 24 are clicked, the corresponding button switches are pressed by the pressing parts on their inner sides to realize the left and right button click operation of the mouse.

[0064] In one embodiment, such as Figures 6 to 12As shown, the button module 2 also includes a first battery 28 located between the bottom shell 21 and the top cover 22, which is electrically connected to the first circuit board 20. The rear side of the first circuit board 20 has a USB interface 203 exposed at the rear end of the bottom shell 21 for charging the first battery. The bottom of the first circuit board 20 has a power switch 204 and a mode switching button 205. The bottom of the bottom shell 21 has a sliding key 211 that cooperates with the power switch 204, which controls the power switch 204 to be turned on or off by sliding the sliding key 211. The bottom of the bottom shell 21 also has a first keycap 212 for pressing the mode switching button 205. The upper rear end of the first circuit board 20 has a DPI button 206, and a second keycap 213 for pressing the DPI button 206 is located between the left mouse button 23 and the right mouse button 24.

[0065] In one embodiment, such as Figures 6 to 12 As shown, the upper cover 22 has a face cover 29 at its upper end. The front end of the face cover 29 has a groove 291 in the middle to divide the front two sides of the face cover 29 into a left mouse button 23 and a right mouse button 24. The rear end of the upper cover 22 has two slots 223. The inner side of the rear end of the face cover 29 has two buckles 292 that correspond to and engage with the slots 223. The rear end of the upper cover 22 has a positioning hole 224 in the middle. The inner side of the rear end of the face cover 29 has a positioning post 293 that is inserted into the positioning hole 224 to achieve the purpose of positioning and assembly.

[0066] Of course, in another specific implementation case, the left mouse button 23 and the right mouse button 24 can also be separated into two independent covers, with the rear ends of the left mouse button 23 and the right mouse button 24 respectively connected to the upper cover.

[0067] In one embodiment, such as Figures 6 to 12 As shown, the first circuit board 20 has multiple first spring pins 207 exposed at the bottom of the bottom shell 21; preferably, there are eight first spring pins 207.

[0068] In one embodiment, a first foot pad 214 is also provided at the bottom of the button module 2, which is preferably made of Teflon.

[0069] In one embodiment, such as Figures 16 to 21As shown, the mouse base 1 is designed in the shape of a traditional mouse. A first clamping arm 104 and a second clamping arm 105 protrude forward from both sides of the front end of the mouse base 1. The first clamping arm 104 and the second clamping arm 105 are symmetrically arranged to form a clamping groove 106 for clamping the button module 2 between the first clamping arm 104 and the second clamping arm 105. The clamping groove 106 is an open groove that extends vertically, ensuring that the bottom structure of the button module is not obstructed. Therefore, it is not necessary to design corresponding electronic components on the mouse base. The mouse base 1 is equipped with a magnetic attachment to achieve mouse functionality. At least one first magnetic attachment 215 is provided on the rear side of the bottom shell 21, and at least one second magnetic attachment 14 is provided on the inner front side of the mouse base 1, which corresponds to and magnetically attaches to the first magnetic attachment 215. This magnetic attachment ensures the reliability of the electrical connection and avoids problems such as misalignment of the button module during use, and also facilitates the separation of the button module and the mouse base. Both the first magnetic attachment 215 and the second magnetic attachment 14 can be magnets, or one can be a magnet and the other can be a metal part.

[0070] Of course, at least one first magnetic attractor can also be provided on both sides of the bottom shell 21, and at least one second magnetic attractor corresponding to the first magnetic attractor can be provided on the inner side of the first clamping arm 104 and the second clamping arm 105.

[0071] In one embodiment, such as Figures 16 to 20 As shown, the bottom of the mouse base 1 is provided with a receiving compartment 19 for accommodating the receiver, and the opening of the receiving compartment 19 is provided with an openable cover 191; the receiver is a conventional communication device used with the wireless mouse, and will not be described in detail here.

[0072] In one embodiment, such as Figures 16 to 20 As shown, a second foot pad 103 is provided at the bottom of the mouse base 1, and the second foot pad 103 is preferably made of Teflon.

[0073] The technical solutions provided by the embodiments of this utility model have been described in detail above. Specific examples have been used to illustrate the principles and implementation methods of the embodiments of this utility model. The description of the above embodiments is only for helping to understand the principles of the embodiments of this utility model. At the same time, for those skilled in the art, there will be changes in the specific implementation methods and application scope based on the embodiments of this utility model. Therefore, the content of this specification should not be construed as a limitation of this utility model.

Claims

1. A combination mouse, characterized in that, The device includes a mouse base and a button module detachably mounted on the mouse base. The button module includes a bottom shell, a top cover covering the bottom shell, a first circuit board located between the bottom shell and the top cover, and a left mouse button and a right mouse button located on the top of the top cover. The first circuit board is provided with a first optical sensor exposed at the bottom of the bottom shell.

2. The combined mouse as described in claim 1, characterized in that, The first circuit board is provided with a roller bracket, on which a roller located between the left mouse button and the right mouse button is rotatably mounted, and the upper cover is provided with a first through hole for the roller to pass through upward.

3. The combined mouse as described in claim 2, characterized in that, The button module also includes a first battery located between the bottom shell and the top cover, which is electrically connected to the first circuit board. The rear side of the first circuit board has a USB interface exposed at the rear end of the bottom shell. The bottom of the first circuit board has a power switch and a mode switching button. The bottom of the bottom shell has a sliding button that cooperates with the power switch. The bottom of the bottom shell also has a first keycap for pressing the mode switching button. The rear end of the first circuit board has a DPI button, and a second keycap for pressing the DPI button is located between the left and right mouse buttons.

4. The combined mouse as described in claim 3, characterized in that, The first circuit board has a first button switch and a second button switch on its front sides respectively. The inner protrusion of the left mouse button has a first pressing part located above the first button switch. The inner protrusion of the right mouse button has a second pressing part located above the second button switch. The front sides of the top cover have second through holes for the first pressing part and the second pressing part to pass through downwards respectively.

5. The combined mouse as described in claim 4, characterized in that, The upper cover has a faceplate at its upper end. The front end of the faceplate has a groove in the middle to divide the two sides of the faceplate into the left mouse button and the right mouse button. The rear end of the upper cover has at least one slot. The inner side of the faceplate has at least one buckle that corresponds to and engages with the slot. The rear end of the upper cover has a positioning hole in the middle. The inner side of the rear end of the faceplate has a positioning pin that is inserted into the positioning hole.

6. The combination mouse as described in any one of claims 1-5, characterized in that, The mouse base is provided with a receiving slot for accommodating the button module. The first circuit board is provided with multiple first spring pins exposed on the bottom of the bottom shell. Inside the mouse base, a second circuit board is provided at the position corresponding to the receiving slot. The second circuit board is provided with multiple second spring pins exposed on the surface of the receiving slot and abutting against the first spring pins one by one. The bottom of the mouse base is provided with a second optical sensor electrically connected to the second circuit board.

7. The combined mouse as described in claim 6, characterized in that, The bottom inner side of the bottom shell is provided with a plurality of first magnetic components, and the mouse base is provided with a plurality of second magnetic components that are magnetically attracted to each of the first magnetic components.

8. The combined mouse as described in claim 7, characterized in that, The mouse base also contains a third circuit board and a second battery. The third circuit board is electrically connected to the second circuit board and the second battery. The second optical sensor is located on the third circuit board. The third circuit board has a USB interface exposed on one side of the mouse base. The third circuit board also has two function buttons. The side of the mouse base has two side buttons for pressing the two function buttons respectively.

9. The combination mouse as described in claim 8, characterized in that, The bottom of the mouse base is provided with a receiving compartment for accommodating the receiver, and the opening of the receiving compartment is provided with an openable cover; the front end of the receiving slot is recessed with a retrieval groove so that a gap is formed between the front end of the button module and the receiving slot.

10. The combination mouse as described in any one of claims 1-5, characterized in that, The front end of the mouse base has a first clamping arm and a second clamping arm protruding forward on both sides, forming a clamping groove for clamping the button module between the first clamping arm and the second clamping arm. The bottom shell has at least one first magnetic member on both sides and / or the rear side. The inner sides of the first clamping arm and the second clamping arm and / or the front end of the mouse base have at least one second magnetic member that magnetically attracts the first magnetic member. The bottom of the mouse base has a receiving compartment for accommodating the receiver, and the opening of the receiving compartment has an openable cover.

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