Microcomputer

Abstract

The utility model discloses a microcomputer, and relates to the technical field of computers, the microcomputer comprises a shell, a mainboard and a fixing structure, the shell is enclosed to form a mounting cavity; the mainboard is mounted in the mounting cavity and is detachably connected with the shell; the fixing structure extends in the height direction of the microcomputer and penetrates through the mainboard, and the two ends of the fixing structure in the extending direction are connected with the top end and the bottom end of the shell respectively so that the mainboard can be fixed to the installation cavity. According to the scheme, the fixing structure penetrates through the mainboard to support and mount the mainboard, the two ends of the fixing structure are connected with the top end and the bottom end of the shell, and it is ensured that the mainboard is stably fixed. Not only is stable main board support provided, but also the mounting position of the main board is allowed to be adjusted at different heights so as to adapt to the main boards with different thicknesses or meet specific mounting requirements; the shell structure is convenient for a user to disassemble and assemble, the playability of the microcomputer is improved, and the requirements of the user for upgrading and replacing the microcomputer are met.

Description

Technical Field

[0001] The utility model relates to the technical field of computers, in particular to a microcomputer. Background Art

[0002] Mini-PCs, also known as small computers or microcomputers, are compact, high-performance personal computers. They typically have similar hardware configurations to standard desktop computers, but are more compact, take up less space, and are easier to carry and install. Existing Mini-PCs are mostly assembled using an upper and lower shell, giving the Mini-PC shell a box-like appearance. As people's quality of life continues to improve, their aesthetic requirements for Mini-PCs are also increasing. More and more users are modifying the appearance and structure of the Mini-PC shell according to their preferences. However, since the upper and lower shells of existing Mini-PC shells are mostly fixed in an integrated structure, it is difficult to change the appearance and structure of the shell after assembly, resulting in poor playability and failure to meet users' modification needs for Mini-PCs. Utility Model Content

[0003] The main purpose of the utility model is to provide a microcomputer, aiming to improve the convenience of disassembly and assembly of the microcomputer.

[0004] To achieve the above-mentioned purpose, the microcomputer proposed in the present invention includes:

[0005] A housing, wherein the housing encloses a mounting cavity;

[0006] a mainboard, the mainboard being mounted in the mounting cavity and detachably connected to the housing;

[0007] A fixing structure is provided, wherein the fixing structure extends along the height direction of the microcomputer and passes through the mainboard, and the two ends of the fixing structure in the extension direction are respectively connected to the top and bottom ends of the shell to fix the mainboard in the installation cavity.

[0008] In one embodiment, the fixing structure includes a connecting column, a first screw and a second screw. The connecting column passes through the mainboard and extends along the height direction of the microcomputer. Threaded holes are formed at both ends of the extension direction of the connecting column. The first screw and the second screw are respectively screwed to one of the threaded holes. The first screw is connected to the top end of the shell, and the second screw is connected to the bottom end of the shell.

[0009] In one embodiment, the connecting column includes a first stud and a second stud, the second stud is connected to the end of the first stud away from the first screw, the end of the first stud away from the first screw is formed with an external thread / internal thread, the second stud is formed with an internal thread / external thread corresponding to the first stud, and the first stud is threadedly engaged with the second stud.

[0010] In one embodiment, the fixing structure further includes a first gasket and a second gasket, and the first gasket and the second gasket are respectively arranged on the upper and lower sides of the main board, and the first stud / second stud passes through the first gasket, the main board and the second gasket and is correspondingly screwed to the second stud / first stud.

[0011] In one embodiment, the shell includes a bottom shell, a top shell, a rear shell and multiple side shells. The top shell is arranged parallel to the bottom shell and is arranged above the bottom shell. The multiple side shells and the rear shell are arranged between the top shell and the bottom shell and are arranged on the periphery of the bottom shell. The rear shell is formed with multiple connection holes to expose the data interface on the motherboard.

[0012] In one embodiment, the rear shell and the bottom shell are designed as an integral unit, and the bottom shell is extended and bent along a side close to the top shell to form the rear shell.

[0013] In one embodiment, the bottom shell extends and bends in a direction close to the top shell to form a plurality of connecting portions, and one of the side shells is connected to at least one of the connecting portions.

[0014] In one embodiment, one of the connecting parts is provided with at least one first magnetic part, one of the side shells is provided with at least one second magnetic part, and the first magnetic part and the second magnetic part are magnetically connected to each other.

[0015] In one embodiment, a positioning groove is formed on the connecting portion and / or the side shell, and the first magnetic portion and / or the second magnetic portion is clamped in the positioning groove.

[0016] In one embodiment, the rear shell is provided with a switch screw, which passes through the rear shell and is connected to the mainboard. The switch screw can rotate relative to the rear shell to move closer to or away from the mainboard to start and stop the microcomputer.

[0017] The technical solution of the present invention adopts a fixed structure that runs through the motherboard to support the installation of the motherboard, and the two ends of the fixed structure are connected to the top and bottom ends of the shell to ensure that the motherboard is stably fixed. It not only provides a stable motherboard support, but also allows the installation position of the motherboard to be adjusted at different heights to accommodate motherboards of different thicknesses or to meet specific installation requirements. The detachable motherboard connection simplifies the assembly and maintenance process, reduces maintenance costs, and provides users with the flexibility to replace or upgrade hardware. Secondly, the design of the fixed structure provides excellent stability, reduces the risk of motherboard displacement or damage due to vibration or impact, and is also convenient for users to disassemble and replace the microcomputer, and is convenient for users to modify the shell structure around the microcomputer according to their preferences, which facilitates the user's disassembly and assembly of the shell structure, improves the playability of the microcomputer, and meets the user's needs for upgrading and replacing the microcomputer. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying any creative work.

[0019] Figure 1 A schematic diagram of the three-dimensional structure of an embodiment of a microcomputer provided by the present utility model;

[0020] Figure 2 for Figure 1 Schematic diagram of the exploded structure of a microcomputer;

[0021] Figure 3 for Figure 2 Schematic diagram of the structure of the midsole shell.

[0022] Description of Figure Numbers:

[0023] 1000. Microcomputer; 1. Housing; 11. Bottom housing; 111. Connecting portion; 1111. Positioning slot; 12. Top housing; 13. Back housing; 131. Switch screw; 14. Side housing; 2. Mainboard; 3. Fixing structure; 31. Connecting column; 311. First stud; 312. Second stud; 32. First screw; 33. Second screw; 34. First gasket; 35. Second gasket.

[0024] The realization of the purpose, functional features and advantages of the present invention will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts shall fall within the scope of protection of the present invention.

[0026] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture. If the specific posture changes, the directional indications will also change accordingly.

[0027] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present invention, the descriptions of "first", "second", etc. are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited to "first" and "second" may explicitly or implicitly include at least one of such features. In addition, if "and / or" or "and / or" appears in the full text, its meaning includes three parallel schemes. Taking "A and / or B" as an example, it includes scheme A, or scheme B, or a scheme in which A and B are satisfied at the same time. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is mutually contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0028] Mini-PCs, also known as small computers or microcomputers, are compact, high-performance personal computers. They typically have similar hardware configurations to standard desktop computers, but are more compact, take up less space, and are easier to carry and install. Existing Mini-PCs are mostly assembled using an upper and lower shell, giving the Mini-PC shell a box-like appearance. As people's quality of life continues to improve, their aesthetic requirements for Mini-PCs are also increasing. More and more users are modifying the appearance and structure of their Mini-PC shells to suit their preferences. However, since the upper and lower shells of existing Mini-PC shells are mostly fixed in an integrated structure, it is difficult to modify the shell's appearance and structure after assembly, resulting in poor playability and an inability to meet users' modification needs for Mini-PCs.

[0029] To solve the above problems, please refer to Figures 1 to 3The present invention proposes a microcomputer 1000, including a shell 1, a motherboard 2 and a fixing structure 3. The shell 1 encloses a mounting cavity; the motherboard 2 is installed in the mounting cavity and is detachably connected to the shell 1; the fixing structure 3 extends along the height direction of the microcomputer 1000 and passes through the motherboard 2. The two ends of the fixing structure 3 in the extension direction are respectively connected to the top and bottom ends of the shell 1 to fix the motherboard 2 in the mounting cavity.

[0030] The technical solution of the present invention adopts a fixing structure 3 that passes through the mainboard 2 to support the installation of the mainboard 2. The two ends of the fixing structure 3 are connected to the top and bottom ends of the shell 1 to ensure that the mainboard 2 is stably fixed. It not only provides a stable support for the mainboard 2, but also allows the installation position of the mainboard 2 to be adjusted at different heights to accommodate mainboards 2 of different thicknesses or to meet specific installation requirements. The detachable mainboard 2 connection simplifies the assembly and maintenance process, reduces maintenance costs, and provides users with the flexibility to replace or upgrade hardware. Secondly, the design of the fixing structure 3 provides excellent stability, reduces the risk of displacement or damage to the mainboard 2 due to vibration or impact, and is also convenient for users to disassemble and replace the microcomputer 1000. It is convenient for users to modify the shell 1 structure around the microcomputer 1000 according to their preferences, facilitates the user's disassembly and assembly of the shell 1 structure, improves the playability of the microcomputer 1000, and meets the user's needs for upgrading and replacing the microcomputer 1000.

[0031] In an optional embodiment, to facilitate the disassembly and assembly of the microcomputer 1000, please refer to Figure 1 and Figure 2 The fixing structure 3 includes a connecting post 31, a first screw 32, and a second screw 33. The connecting post 31 extends through the motherboard 2 and extends along the height of the microcomputer 1000. Threaded holes are formed at both ends of the connecting post 31. The first screw 32 and the second screw 33 are screwed into a threaded hole, respectively. The first screw 32 is connected to the top of the housing 1, and the second screw 33 is connected to the bottom of the housing 1. The design of the connecting post 31 allows it to extend along the height of the microcomputer 1000 and to be screwed into the first screw 32 and the second screw 33 through the threaded holes at both ends. This structure not only provides a stable fixation for the motherboard 2, but also allows for fine-tuning of the motherboard 2's position to suit different installation requirements. The first screw 32 and the second screw 33 are connected to the top and bottom of the housing 1, respectively, further enhancing the stability of the motherboard 2. This design has the beneficial effect of improving the accuracy and stability of the motherboard 2 installation. The threaded holes allow the connecting post 31 to be adjusted according to the actual position of the motherboard 2, ensuring a tight fit between the motherboard 2 and the housing 1. In addition, using screws to fix the connecting column 31 provides a simple and reliable installation method, which helps to reduce assembly time and improve production efficiency. The design of this fixing structure 3 also takes into account the convenience of disassembly and maintenance.

[0032] In an optional embodiment, to further improve the stability of the connection of the motherboard 2, please refer to Figure 1 and Figure 2 The connecting column 31 includes a first stud 311 and a second stud 312. The second stud 312 is connected to the end of the first stud 311 away from the first screw 32. The end of the first stud 311 away from the first screw 32 is formed with an external thread / internal thread, and the second stud 312 is formed with an internal thread / external thread corresponding to the first stud 311. The first stud 311 and the second stud 312 are threadedly connected. This segmented design provides greater flexibility and adjustability. In actual design, the first stud 311 and the second stud 312 are threadedly connected using internal and external threads. External threads can be provided on the first stud 311, and internal threads can be provided on the second stud 312 to achieve a threaded connection between the two. Alternatively, internal threads can be provided on the first stud 311 and external threads on the second stud 312. The specific choice can be made according to actual needs. In this way, users can adjust the length of the connecting column 31 according to actual needs to achieve personalized installation of the motherboard 2. Users can adjust according to the specific installation requirements of the motherboard 2. This flexible design allows microcomputer 1000 to accommodate motherboards 2 of varying specifications, increasing the product's versatility and applicability. Furthermore, by clamping motherboard 2 between first stud 311 and second stud 312 and tightening them with threads, the stability of motherboard 2 connected to connecting stud 31 is further enhanced, preventing vertical displacement of motherboard 2.

[0033] Further, in order to improve the stability of the first stud 311 and the second stud 312 fixing the main board 2, please refer to Figure 1 and Figure 2The fixing structure 3 also includes a first gasket 34 and a second gasket 35. The first gasket 34 and the second gasket 35 are respectively arranged on the upper and lower sides of the main board 2. The first stud 311 / the second stud 312 passes through the first gasket 34, the main board 2, and the second gasket 35, and is correspondingly screwed to the second stud 312 / the first stud 311. The use of the gasket can provide a buffer between the main board 2 and the connecting column 31, reducing the stress concentration that may be caused by direct contact, thereby protecting the main board 2 from damage. In addition, by providing a gasket between the main board 2 and the first stud 311 / the second stud 312, the contact area between the main board 2 and the first stud 311 / the second stud 312 can be increased, thereby increasing the friction between the main board 2 and the first stud 311 / the second stud 312, making the connection between the first stud 311, the main board 2, and the second stud 312 more stable, preventing the three from easily loosening, and improving the stability of the connection between the connecting column 31 and the main board 2. Furthermore, the use of the first and second gaskets 34, 35 significantly improves the smoothness of motherboard 2 installation and the level of protection provided. By placing the first and second gaskets 34, 35 on the upper and lower sides of the motherboard 2, respectively, the compressive force applied by the first and second studs 311, 312 during tightening is more evenly distributed, reducing localized pressure on the motherboard 2 and thereby extending the lifespan of the motherboard 2. Furthermore, the first and second gaskets 34, 35 also serve as an insulating layer, preventing electrical shorts and other potential electrical problems. The first and second gaskets 34, 35 can be either rubber or metal, depending on actual needs.

[0034] In an optional embodiment, to facilitate the protection of the microcomputer 1000, please refer to Figures 1 to 3 The housing 1 includes a bottom housing 11, a top housing 12, a rear housing 13, and multiple side housings 14. The top housing 12 is arranged parallel to and above the bottom housing 11. The multiple side housings 14 and the rear housing 13 are arranged between the top and bottom housings 12 and around the periphery of the bottom housing 11. The rear housing 13 has multiple connection holes for exposing the data interfaces on the motherboard 2. The top housing 12 and the bottom housing 11 are arranged parallel to each other, forming the upper and lower parts of the microcomputer 1000. The side housings 14 and the rear housing 13 are connected between the top and bottom housings 12 and surround the periphery of the bottom housing 11, providing comprehensive protection. The rear housing 13 is designed with multiple connection holes to expose the data interfaces on the motherboard 2, facilitating the connection of external devices to the various data interfaces on the motherboard 2 of the microcomputer 1000. The modular design of the housing 1 allows the various components to be combined and adjusted as needed, increasing design flexibility. The setting of the connection hole takes into account the actual usage needs of users, making the data interface easy to access and convenient for connecting external devices without affecting the overall protection performance of the shell 1.

[0035] In an optional embodiment, to ensure the stability of the data interface of the microcomputer 1000, please refer to Figure 2 and Figure 3 The back shell 13 and the bottom shell 11 are of an integrated design, and the bottom shell 11 extends and bends along one side close to the top shell 12 to form the back shell 13. The integrated design of the back shell 13 and the bottom shell 11 simplifies the manufacturing and assembly process of the shell 1. In this way, the process of forming the bottom shell 11 and the back shell 13 can be completed with only one cutting and bending process. The integrated design not only reduces the number of parts required for assembly, but also improves the structural stability and overall aesthetics of the shell 1, and ensures the stability of the multiple connection holes on the back shell 13 relative to the bottom shell 11, avoiding the risk of the back shell 13 becoming loose relative to the bottom shell 11 and causing the connection holes to be misaligned with the data interface on the motherboard 2. In addition, the integrated design of the back shell 13 and the bottom shell 11 provides a smoother appearance, enhancing the aesthetics of the microcomputer 1000.

[0036] In an optional embodiment, to facilitate the connection and fixation of the side shell 14, please refer to Figure 2 and Figure 3 The bottom shell 11 extends and bends in a direction close to the top shell 12 to form a plurality of connecting portions 111, and a side shell 14 is connected to at least one connecting portion 111. By providing a plurality of connecting portions 111 on the bottom shell 11, the installation process of the side shell 14 is simplified, so that the side shell 14 can be quickly and stably connected to the bottom shell 11. The design of the connecting portion 111 also helps to improve the structural strength of the overall shell 1, ensuring the stability and durability of the microcomputer 1000 in various usage environments. In addition, the connecting portion 111 is made by integrally bending and forming the bottom shell 11, which not only simplifies the molding steps of the connecting portion 111, but also improves the connection strength between the connecting portion 111 and the bottom shell 11. In this way, the side shell 14 only needs to be connected to the connecting portion 111 to achieve a stable connection between the side shell 14 and the bottom shell 11, thereby simplifying the connection method between the two.

[0037] Specifically, to facilitate the removal and replacement of the side shell 14 and the bottom shell 11, a connecting portion 111 is provided with at least one first magnetic portion, and a side shell 14 is provided with at least one second magnetic portion. The first magnetic portion and the second magnetic portion are magnetically connected to each other. By providing the first magnetic portion and the second magnetic portion on the connecting portion 111 and the side shell 14, respectively, the assembly process of the connecting portion 111 and the side shell 14 is simplified, making them easy to install and remove. This allows users to freely combine or upgrade the side shell 14 according to their actual needs, thereby improving the aesthetics of the microcomputer 1000 and satisfying their aesthetic needs. In this embodiment, the top shell 12 and the side shell 14 are both connected to the periphery of the microcomputer 1000 through a magnetic structure. Optionally, in order to facilitate the connection between the first magnetic part and the first screw 32, the nut of the first screw 32 is formed with a mounting hole, and the first magnetic part is arranged in the mounting hole. Correspondingly, a second magnetic part is provided on the side of the top shell 12 facing the first screw 32. The installation of the top shell 12 is achieved by the suction force of the first magnetic part and the second magnetic part, which facilitates the disassembly, assembly and replacement of the top shell 12. The magnetic structure also greatly facilitates the user's modification design of the shell 1 of the microcomputer 1000. On the one hand, during production, multiple sets of replaceable top shells 12 and side shells 14 with different appearance structures can be produced according to the user's preferences, so that the user can directly modify the shell 1 structure of the microcomputer 1000. On the other hand, when the user gets the finished microcomputer 1000, the shell 1 connected by the magnetic structure can also facilitate the user to re-design the top shell 12 and the side shell 14, fully meeting the user's various needs for the appearance design of the microcomputer 1000, and improving the variability and playability of the microcomputer 1000.

[0038] Further, to ensure the accuracy of the magnetic connection position between the connecting portion 111 and the side shell 14, please refer to Figure 2 and Figure 3, the connecting part 111 and / or the side shell 14 are formed with a positioning groove 1111, and the first magnetic part and / or the second magnetic part are clamped in the positioning groove 1111. The use of the positioning groove 1111 prevents the misalignment or falling off of the magnetic part, and ensures the tight fit between the side shell 14 and the connecting part 111. In addition, the positioning groove 1111 can also serve as a guide, making it easier for the side shell 14 to align with the connecting part 111 during the installation process, thereby improving the efficiency and accuracy of the installation. In the actual design process, the positioning groove 1111 can be provided on one of the side shell 14 and the connecting part 111, or the positioning groove 1111 can be provided on both the side shell 14 and the connecting part 111. The specific selection can be made according to actual needs. As for achieving the magnetic connection between the connecting portion 111 and the side shell 14, optionally, a magnetic structure with opposite magnetic properties can be provided on the connecting portion 111 and the side shell 14, respectively, so as to achieve the connection between the connecting portion 111 and the side shell 14 by magnetic attraction between the two. Alternatively, the connecting portion 111 and the side shell 14 can be made of a metal material that can be adsorbed by the magnetic structure, so that the magnetic structure can adsorb and connect the connecting portion 111 and the side shell 14 on both sides. The specific method can be selected according to actual needs and is not specifically limited here. In this solution, each connecting portion 111 is provided with two mounting grooves, and one end of the side shell 14 is also provided with two mounting grooves corresponding to the connecting portion 111. The two ends of the magnetic structure are respectively embedded in the mounting grooves of the connecting portion 111 and the side shell 14, and the connection between the connecting portion 111 and the side shell 14 is achieved by adsorbing the magnetic structure, thereby ensuring the stability of the connection between the two. By providing the magnetic structure in the mounting groove, positioning can be facilitated during installation, and a large gap between the connecting portion 111 and the side shell 14 can be avoided, thereby ensuring the tightness of the connection between the connecting portion 111 and the side shell 14.

[0039] In an optional embodiment, to facilitate the switch start of the microcomputer 1000, please refer to Figure 1 and Figure 2 The rear shell 13 is provided with a switch screw 131, which passes through the rear shell 13 and is connected to the mainboard 2. The switch screw 131 can be rotated relative to the rear shell 13 to move closer to or away from the mainboard 2 to start and stop the microcomputer 1000. The switch screw 131 is provided on the rear shell 13 to control the power supply of the microcomputer 1000 in a physical manner, allowing the user to turn the computer on or off by rotating the switch screw 131. The need to use an external power button is avoided, making the operation more convenient. In addition, by using the switch screw 131 instead of a push-button switch, it is easy for users to upgrade and replace the microcomputer 1000. Even if the position of the mainboard 2 relative to the housing 1 changes after replacement, it is only necessary to adjust the position of the switch screw 131 accordingly to start and stop the microcomputer 1000, thereby improving the user experience.

[0040] The above description is merely an exemplary embodiment of the present invention and does not limit the patent scope of the present invention. All equivalent structural transformations made using the contents of the present invention specification and drawings under the technical concept of the present invention, or direct / indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A microcomputer, characterized in that: include: A housing, wherein the housing encloses a mounting cavity; a mainboard, the mainboard being mounted in the mounting cavity and detachably connected to the housing; A fixing structure is provided, wherein the fixing structure extends along the height direction of the microcomputer and passes through the mainboard, and the two ends of the fixing structure in the extension direction are respectively connected to the top and bottom ends of the shell to fix the mainboard in the installation cavity.

2. The microcomputer according to claim 1, wherein: The fixing structure includes a connecting column, a first screw and a second screw. The connecting column passes through the mainboard and extends along the height direction of the microcomputer. Threaded holes are formed at both ends of the extending direction of the connecting column. The first screw and the second screw are respectively screwed to one of the threaded holes. The first screw is connected to the top end of the shell, and the second screw is connected to the bottom end of the shell.

3. The microcomputer according to claim 2, wherein: The connecting column includes a first stud and a second stud, the second stud is connected to the end of the first stud away from the first screw, the end of the first stud away from the first screw is formed with an external thread / internal thread, the second stud is formed with an internal thread / external thread corresponding to the first stud, and the first stud is threadedly engaged with the second stud.

4. The microcomputer according to claim 3, wherein: The fixing structure also includes a first gasket and a second gasket, which are respectively arranged on the upper and lower sides of the main board. The first stud / second stud passes through the first gasket, the main board and the second gasket and is correspondingly screwed to the second stud / first stud.

5. The microcomputer according to any one of claims 1 to 4, wherein: The shell includes a bottom shell, a top shell, a rear shell and multiple side shells. The top shell is arranged parallel to the bottom shell and is arranged above the bottom shell. The multiple side shells and the rear shell are arranged between the top shell and the bottom shell and are arranged on the periphery of the bottom shell. The rear shell is formed with multiple connection holes to expose the data interface on the motherboard.

6. The microcomputer according to claim 5, wherein: The rear shell and the bottom shell are of integrated design, and the bottom shell is extended and bent along a side close to the top shell to form the rear shell.

7. The microcomputer according to claim 6, wherein: The bottom shell is extended and bent in a direction close to the top shell to form a plurality of connecting parts, and one of the side shells is connected to at least one of the connecting parts.

8. The microcomputer according to claim 7, wherein: The connecting portion is provided with at least a first magnetic portion, and the side shell is provided with at least a second magnetic portion. The first magnetic portion and the second magnetic portion are magnetically connected to each other.

9. The microcomputer according to claim 8, wherein: The connecting portion and / or the side shell is formed with a positioning groove, and the first magnetic attraction portion and / or the second magnetic attraction portion is clamped in the positioning groove.

10. The microcomputer according to claim 5, wherein: The rear shell is provided with a switch screw, which passes through the rear shell and is connected to the main board. The switch screw can be rotated relative to the rear shell to move closer to or away from the main board to start and stop the microcomputer.

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