Rotary table and computer host with same

Abstract

The utility model discloses a rotary table and a computer host with the same, which are used for being placed inside the computer host and connected with a mainboard, and comprise a placing table, a base and a driving assembly, the base is rotationally connected with the placing table; the driving assembly is used for driving the placing table to rotate relative to the base; wherein the main board is arranged on the base, the first electric connector is arranged on the base, a second electric connector is arranged on the main board, and the first electric connector is electrically connected with the second electric connector so as to realize communication connection with the main board. According to the rotary table and the computer host with the rotary table, the first electric connector is arranged on the base and is electrically connected with the second electric connector on the mainboard, so that the mainboard directly controls the rotary table placed in the computer host, and a user can directly control the rotary table to rotate through a computer; therefore, the visual display effect in the host is improved, and meanwhile, the use experience of a user is enhanced.

Description

Technical Field

[0001] The utility model relates to the technical field of equipment, in particular to a turntable and a computer mainframe having the same. Background Art

[0002] With the continuous progress of computer technology, the user's demand for assembling computer mainframes is increasing day by day. More and more users tend to use a mainframe chassis with a transparent or fully transparent side panel to display and view the internal hardware, so as to meet the user's hands-on fun and personalized needs during the assembly process. At the same time, some users will also place display items such as figurines and models in the transparent or fully transparent side panel chassis to increase the ornamental value inside the chassis.

[0003] However, the existing display methods have certain limitations: display items such as figurines and models can usually only be fixed at an angle inside the chassis and display in a single direction facing the transparent side panel, and a full-range display effect cannot be achieved.

[0004] Furthermore, the rotating platforms in the prior art cannot be linked and controlled with the computer motherboard. Every time the user uses it, they need to manually connect the power supply and adjust the rotation speed. The operation process is cumbersome, and such rotating platforms are usually large in size and not suitable for displaying items such as figurines and models inside the chassis. Summary of the Utility Model

[0005] In order to overcome the above-mentioned defects of the prior art, the utility model provides a turntable and a computer mainframe having the same. By setting a first electrical connector on the base and electrically connecting it to the second electrical connector on the motherboard, direct control of the turntable placed inside the computer mainframe by the motherboard is achieved. Thus, the user can directly control the rotation of the turntable through the computer to perform a full-range display of the display items placed on the turntable, thereby enhancing the visual display effect inside the mainframe and at the same time enhancing the user experience.

[0006] The technical solution adopted by the utility model to solve its problems is as follows:

[0007] A turntable for being placed inside a computer mainframe and connected to the motherboard, comprising:

[0008] A placement table;

[0009] A base rotatably connected to the placement table;

[0010] A driving assembly for driving the placement table to rotate relative to the base;

[0011] Wherein, it further includes a first electrical connector provided on the base, and a second electrical connector is provided on the motherboard. The first electrical connector is electrically connected to the second electrical connector to achieve communication connection with the motherboard.

[0012] Further, it further includes a controller. The driving component includes a driving motor. Both the driving motor and the first electrical connector are electrically connected to the controller. The controller controls the operation of the driving motor by receiving the signal input from the main board to the first electrical connector.

[0013] Further, it further includes an atmosphere lamp electrically connected to the controller. The placing table is provided with a convex edge extending downward and arranged circumferentially around the placing table. The convex edge and the outer side wall of the base form a concave cavity. The atmosphere lamp surrounds the outer side wall of the base and is located in the concave cavity.

[0014] Further, the driving component further includes a transmission member. The transmission member includes a first gear and a second gear. The first gear is sleeved on the output shaft of the driving motor. The second gear is arranged at the bottom of the placing table and meshes with the first gear for transmission.

[0015] Further, it further includes a rolling component. The rolling component includes rolling elements and a cage. A groove is formed on the base. Part of the rolling elements are arranged in the groove;

[0016] The cage is provided with through holes. The cage is arranged on the base and the rolling elements are located in the through holes to keep the rolling elements rolling;

[0017] The bottom of the placing table is provided with a rolling groove which abuts against the rolling elements.

[0018] Further, a rotating sleeve is further arranged at the bottom of the placing table. A clamping groove is formed in the rotating sleeve;

[0019] A rotating shaft is arranged on the base. A clamping block is arranged on the rotating shaft. The rotating shaft is rotatably connected to the rotating sleeve. The clamping block is clamped in the clamping groove.

[0020] Further, a jack is formed on the base. The first electrical connector is inserted into the jack to be fixed on the base.

[0021] Further, both the placing table and the base are circular. The outer diameter of the placing table is A, and 3 cm ≤ A ≤ 15 cm; the outer diameter of the base is B, and 3 cm ≤ B ≤ 15 cm; the height of the turntable is H, and 1 cm ≤ H ≤ 4 cm.

[0022] A computer mainframe includes the turntable described above. It further includes a chassis. The main board is installed in the chassis. The first electrical connector is electrically connected to the second electrical connector through a wire to realize the communication connection between the turntable and the main board.

[0023] Further, the second electrical connector is a system fan socket. Both the system fan socket and the first electrical connector are 4PIN interfaces and include +12VDC, GND, PWM, and RPM.

[0024] In summary, the present utility model has the following technical effects:

[0025] 1. For the turntable of the present utility model and the computer host having the same, by providing a first electrical connector on the base and electrically connecting it to the second electrical connector on the main board, direct control of the turntable placed inside the computer host by the main board is achieved. Thus, the user can directly control the rotation of the turntable through the computer to perform an all-round display of the exhibit placed on the turntable, thereby enhancing the visual display effect inside the host and at the same time enhancing the user experience.

[0026] 2. For the turntable of the present utility model and the computer host having the same, by electrically connecting the drive motor, the first electrical connector, and the atmosphere lamp to the controller, the user can directly achieve the linkage control of the drive motor and the atmosphere lamp through the computer, thus eliminating the need for frequent manual operation of the turntable and meeting the user's need for an all-round viewing of exhibits such as figurines and models placed on the turntable. In addition, the first electrical connector is electrically connected to the second electrical connector on the main board, which not only realizes the communication connection with the host but also enables the turntable to be directly powered by the second electrical connector of the main board, avoiding the trouble of manually connecting the power supply additionally each time, thereby further enhancing the user experience and meeting the personalized display needs.

[0027] 3. For the turntable of the present utility model and the computer host having the same, both the placement table and the base are circular. The outer diameter of the placement table is A, and 3 cm ≤ A ≤ 15 cm; the outer diameter of the base is B, and 3 cm ≤ B ≤ 15 cm; the height of the turntable is H, and 1 cm ≤ H ≤ 4 cm. Thus, the overall volume of the turntable is relatively small, facilitating communication connection with the main board inside the computer host, thereby meeting the user's need for rotational display of exhibits such as figurines and models, enhancing the visual viewing effect inside the computer host, and meeting the user's hands-on fun and personalized needs for assembling the computer host. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 is a schematic structural diagram of the turntable of the present utility model;

[0029] Figure 2 is a schematic cross-sectional diagram of the turntable of the present utility model;

[0030] Figure 3 is Figure 2 an enlarged schematic diagram of part A in

[0031] Figure 4 isFigure 2 Enlarged schematic view of part B

[0032] Figure 5 Exploded schematic view of the turntable of the present utility model

[0033] Figure 6 Structural schematic view of the placement table in the turntable of the present utility model

[0034] Figure 7 Structural schematic view of the base in the turntable of the present utility model

[0035] Figure 8 Structural schematic view of the cage in the turntable of the present utility model

[0036] Figure 9 Side view of the turntable of the present utility model

[0037] Figure 10 Schematic view of the connection between the turntable of the present utility model and the main board

[0038] Among them, the meanings of the reference numerals are as follows:

[0039] 1. Placement table; 11. Second gear; 12. Rolling groove; 13. Rotating sleeve; 131. Card slot; 14. Flange; 141. Concave cavity; 15. Reinforcing rib; 2. Base; 21. Motor fixing seat; 22. Rotating shaft; 221. Block; 23. First installation groove; 24. Second installation groove; 25. Jack; 26. Groove; 27. Lamp groove; 271. Limit protrusion; 272. Wire groove; 28. Connecting column; 281. First abutting groove; 282. Second abutting groove; 3. First electrical connector; 4. Driving motor; 41. First gear; 42. Connecting key; 5. Controller; 6. Rolling element; 61. Cage; 611. Through hole; 612. Installation hole; 6121. First abutting edge; 6122. Second abutting edge; 7. Ambient light; 8. Washer; 9. Main board; 91. Second electrical connector. Detailed implementation manners

[0040] For better understanding and implementation, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

[0041] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the referred module or element must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present utility model.

[0042] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those of ordinary skill in the technical field to which this utility model belongs. The terms used in the specification of this utility model herein are only for the purpose of describing specific embodiments and are not intended to limit this utility model.

[0043] Embodiment 1

[0044] As Figure 1-9 shown, a turntable for being placed inside a computer mainframe and connected to a main board 9 includes a placing table 1, a base 2 and a driving assembly; the placing table 1 is used for placing display items such as figurines and models, the base 2 is rotatably connected to the placing table 1; the driving assembly is used for driving the placing table 1 to rotate relative to the base 2 so as to perform an all-round visual display on the display items such as figurines and models placed on the placing table 1; wherein, a first electrical connector 3 is further arranged on the base 2, a second electrical connector 91 is arranged on the main board 9, and the first electrical connector 3 is electrically connected to the second electrical connector 91 to realize communication connection with the main board 9.

[0045] Based on the above structure, when using the turntable of this utility model, the first electrical connector 3 and the second electrical connector 91 are electrically connected through a wire to realize communication connection between the turntable and the main board 9. Thus, the output of the second electrical connector 91 can be directly controlled by the computer, that is, the computer directly controls the rotation of the turntable. When a user places display items such as figurines and models on the placing table 1, the turntable can be directly controlled by the computer to rotate so as to perform an all-round display on the display items placed on the turntable, thereby improving the visual display effect inside the mainframe and enhancing the user experience at the same time.

[0046] Referring to Figure 5 、 Figure 7 , the turntable of this utility model further includes a controller 5, the driving assembly includes a driving motor 4, and both the driving motor 4 and the first electrical connector 3 are electrically connected to the controller 5. The controller 5 controls the operation of the driving motor 4 by receiving the signal input from the main board 9 to the first electrical connector 3.

[0047] During use, the user controls the output of the second electrical connector 91 through the main board 9. The controller 5 can receive the input signal of the first electrical connector 3 electrically connected to the second electrical connector 91 and control the rotation speed of the driving motor 4, reducing the trouble that the user needs to manually operate the turntable every time.

[0048] It should be noted that in this embodiment, the turntable of the present utility model further includes a motor fixing base 21. A first installation groove 23 and a second installation groove 24 for installing the controller 5 are provided on the base 2. The driving motor 4 is installed in the first installation groove 23 and connected to the base 2 through the motor fixing base 21 to fixedly connect the driving motor 4 to the base 2. Among them, the motor fixing base 21 is fixed on the base 2 by screws to fix the driving motor 4.

[0049] Furthermore, the turntable of the present utility model further includes an atmosphere lamp 7 electrically connected to the controller 5. The placing table 1 is provided with a convex edge 14 extending downward and arranged circumferentially around the placing table 1. The convex edge 14 and the outer side wall of the base 2 form a concave cavity 141. The atmosphere lamp 7 is arranged around the outer side wall of the base 2 and is located in the concave cavity 141.

[0050] Specifically, by adding the atmosphere lamp 7 and connecting it to the controller 5, the atmosphere lamp 7 can be directly controlled through the main board 9, providing a decorative effect for the turntable, enhancing the viewing effect of display items such as figurines and models placed on the placing table 1, and meeting the personalized needs of users for assembling computer hosts.

[0051] In addition, in this embodiment, a limiting protrusion 271 is provided on the outer side wall of the base 2 and arranged around the outer side wall of the base 2. The limiting protrusion 271 and the outer side wall of the base 2 form a lamp groove 27. The atmosphere lamp 7 is installed in the lamp groove to be arranged around the outer side wall of the base 2 and located in the concave cavity 141. Among them, a wire groove 272 is also provided on the lamp groove 27, so that the atmosphere lamp 7 installed on the lamp groove 27 can be electrically connected to the controller 5 through a wire passing through the wire groove 272 to realize power supply and control.

[0052] Refer to Figure 5-6 , the driving assembly further includes a transmission member. The transmission member includes a first gear 41 and a second gear 11. The first gear 41 is sleeved on the output shaft of the driving motor 4, and the second gear 11 is arranged at the bottom of the placing table 1 and meshes with the first gear 41 for transmission.

[0053] Specifically, in this embodiment, the second gear 11 is integrally formed with the placing table 1. A connection key 42 is also provided between the first gear 41 and the output shaft of the driving motor 4 to ensure the accuracy and transmission efficiency of the transmission between the first gear 41 and the driving motor 4, avoid axial deviation and faults, and at the same time avoid relative torque when transmitting power and torque, thereby affecting the rotation of the placing table 1, and improving the stability and service life of the product.

[0054] Refer to Figure 2-3 , Figure 5The turntable of the utility model also includes a rolling assembly, which includes a rolling body 6 and a retaining frame 61. A groove 26 is provided on the base 2, and the rolling body 6 is partially arranged in the groove 26; a through hole 611 is provided on the retaining frame 61, and the retaining frame 61 is arranged on the base 2 and the rolling body 6 is located in the through hole 611 to keep the rolling body 6 rolling; a rolling groove 12 is provided at the bottom of the placement table 1, and the rolling groove 12 abuts against the rolling body 6.

[0055] Specifically, the base 2 is provided with a connecting column 28, a first abutting groove 281 and a second abutting groove 282, and the retaining frame 61 is provided with a mounting hole 612, a first abutting edge 6121 matching the first abutting groove 281 and a second abutting edge 6122 matching the second abutting groove 282; the retaining frame 61 is installed on the base 2, the first abutting edge 6121 abuts against the first abutting groove 281, the second abutting edge 6122 abuts against the second abutting groove 282, and the mounting hole 612 is aligned with the connecting column 28 and is fastened to the connecting column 28 by screws passing through the mounting hole 612, so as to fix the retaining frame 61 on the base 2.

[0056] It should be noted that, in this embodiment, the mounting hole 612 can be a through hole or a screw hole, and when the mounting hole 612 is aligned with the connecting column 28, the through hole 611 is aligned and connected with the groove 26, or, when the through hole 611 is aligned and connected with the groove 26, the mounting hole 612 is aligned with the connecting column 28, so that the rolling body 6 is located in the through hole 611 and is restricted by the through hole 611 to keep rolling in the groove 26, thereby preventing the rolling body 6 from escaping from the groove 26 when the placement table 1 rotates relative to the base 2.

[0057] In addition, in this embodiment, a plurality of grooves 26 are arranged at intervals along the circumference of the base 2, the number of the rolling bodies 6 is the same as or less than the number of the grooves 26 and includes roller needles, balls, and rollers, which can be used to reduce friction when the placement table 1 and the base 2 rotate relative to each other. At the same time, the rolling bodies 6 can also provide certain support and bearing functions for the placement table 1.

[0058] Secondly, reinforcing ribs 15 are provided at the bottom of the placement table 1 to enhance the strength and rigidity of the placement table 1, thereby saving production usage, reducing weight, and lowering production costs.

[0059] See also Figure 4 The bottom of the placement table 1 is also provided with a rotating sleeve 13, and a slot 131 is opened in the rotating sleeve 13; a rotating shaft 22 is provided on the base 2, and a clamping block 221 is provided on the rotating shaft 22. The rotating shaft 22 is rotatably connected to the rotating sleeve 13, and the clamping block 221 is clamped in the clamping slot 131 to rotatably connect the placement table 1 and the base 2.

[0060] When the driving motor 4 drives the placing table 1 to rotate relative to the base 2, the clamping block 221 rotates within the clamping groove 131. Also, since the clamping block 221 is clamped within the clamping groove 131, it can also prevent the placing table 1 from separating from the base 2, ensuring the meshing transmission between the first gear 41 and the second gear 11.

[0061] Specifically, the base 2 is provided with an insertion hole 25, and the first electrical connector 3 is inserted into the insertion hole 25 to be fixed on the base 2.

[0062] Refer to Figure 1 again. The turntable of the present utility model further includes a washer 8, which is arranged at the bottom of the base 2 to play an anti-slip role for the base 2.

[0063] Refer to Figure 9 In this embodiment, both the placing table 1 and the base 2 are circular. The outer diameter of the placing table 1 is A, and 3 cm ≤ A ≤ 15 cm is satisfied; the outer diameter of the base 2 is B, and 3 cm ≤ B ≤ 15 cm is satisfied; the height of the turntable is H, and 1 cm ≤ H ≤ 4 cm is satisfied. Thus, the overall volume of the turntable is relatively small, so as to be easily placed inside the computer host to communicate with the motherboard 9, thereby meeting the user's need to rotate and display collectibles such as figurines and models, enhancing the visual viewing effect inside the computer host, and satisfying the user's hands-on fun and personalized needs for assembling the computer host.

[0064] In addition, in other cases, the placing table 1 is circular, and the base 2 can be geometric shapes such as square, pentagonal, or hexagonal and is rotationally connected to the placing table 1. The driving motor 4 is arranged on the base 2 to drive the placing table 1 to rotate relative to the base 2, so as to achieve an all-round viewing effect of the collectibles such as figurines and models placed on the placing table 1.

[0065] Embodiment 2

[0066] A computer host includes the turntable in the above-mentioned Embodiment 1, and further includes a chassis. The motherboard 9 is installed inside the chassis, and the first electrical connector 3 is electrically connected to the second electrical connector 91 through a wire (as Figure 10 shown) to achieve communication connection between the turntable and the motherboard 9.

[0067] Specifically, the second electrical connector 91 is a system fan socket (i.e., the CHA_FAN or SYS_FAN interface on the motherboard). Both the system fan socket and the first electrical connector 3 are 4PIN interfaces and include a power supply terminal +12VDC, a ground wire terminal GND, a PWM wire terminal for speed regulation, and an RPM wire terminal for detecting the rotation speed.

[0068] It should be noted that, in this embodiment, the system fan socket on the main board 9 is usually used for electrically connecting with the cooling fan of the chassis, so as to realize the heat dissipation of electronic devices such as the main board 9 by the reflux of the gas inside the chassis and the gas outside the chassis. Of course, multiple such cooling fans can be connected in parallel. Users can also install cooling fans with lighting effects according to their preferences to improve the ornamental value inside the chassis and meet the hands-on fun and personalized needs of assembling a computer host.

[0069] In addition, in other cases, the 4PIN interface of the system fan socket and the first electrical connector 3 can also be a power supply terminal VDC, a ground terminal GND, an RPM wire terminal for speed measurement, and an NC wire terminal that is not electrically connected, that is, 3PIN is for electrical connection and 1PIN is empty. When adjusting the speed, the function of adjusting the speed can be realized by adjusting the voltage output by the power supply terminal VDC on the main board 9.

[0070] Furthermore, in this embodiment, the chassis is a chassis with a transparent side panel or a fully transparent chassis, etc., which can display electronic devices such as the main board 9 inside the chassis. No specific implementation limitations are made here.

[0071] In summary, for the turntable of the present utility model and the computer host having the same, by providing the first electrical connector 3 on the base 2 and electrically connecting it with the system fan socket on the main board 9, direct control of the turntable placed inside the computer host by the main board 9 is realized. Thus, the user can directly control the rotation of the turntable through the computer to perform an all-round display of the exhibit placed on the turntable, thereby enhancing the visual display effect inside the host and at the same time enhancing the user experience.

[0072] In the design of the turntable of the present utility model and its application to a computer host, by electrically connecting the drive motor 4, the first electrical connector 3, and the atmosphere lamp 7 to the controller 5, the user can directly realize the linkage control of the drive motor 4 and the atmosphere lamp 7 through the computer, thus eliminating the need for frequent manual operation of the turntable and meeting the user's need for an all-round viewing of exhibits such as figurines and models placed on the turntable. In addition, the first electrical connector 3 is electrically connected to the system fan socket on the main board 9, which not only realizes the communication connection with the main board 9 but also enables the turntable to be directly powered through the system fan socket of the main board 9, avoiding the trouble of manually connecting the power supply additionally each time, thereby further enhancing the user experience and meeting the personalized display requirements.

[0073] The turntable of the present utility model and the computer host having the same. The placing table 1 and the base 2 are both circular. The outer diameter of the placing table 1 is A, and 3 cm ≤ A ≤ 15 cm is satisfied; the outer diameter of the base 2 is B, and 3 cm ≤ B ≤ 15 cm is satisfied; the height of the turntable is H, and 1 cm ≤ H ≤ 4 cm is satisfied. Thus, the overall volume of the turntable is relatively small, so as to be easily placed inside the computer host for communication connection with the main board 9, thereby meeting the user's need to rotate and display collectibles such as action figures and models, enhancing the visual viewing effect inside the computer host, and satisfying the user's hands-on fun and personalized needs for assembling the computer host by themselves.

[0074] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0075] It should be understood that the orientation or positional relationship indicated by terms such as "top", "bottom", "inside", "outside", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the referred module or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model.

[0076] In addition, in the description of the present utility model, the meanings of "a plurality of" and "several" are two or more, unless otherwise specifically defined.

[0077] The technical means disclosed in the solution of the present utility model are not limited to the technical means disclosed in the above embodiments, but also include technical solutions composed of any combination of the above technical features. It should be pointed out that for those of ordinary skill in the art in this technical field, without departing from the principle of the present utility model, several improvements and refinements can be made, and these improvements and refinements are also regarded as the protection scope of the present utility model.

Claims

1. A turntable, characterized in that: Used to be placed inside the computer host and connected to the motherboard, including: Placement table; A base, which is rotatably connected to the placement table; A driving assembly, used for driving the placement table to rotate relative to the base; It also includes a first electrical connector arranged on the base, and a second electrical connector is arranged on the mainboard. The first electrical connector is electrically connected to the second electrical connector to achieve communication connection with the mainboard.

2. The turntable according to claim 1, characterized in that: It also includes a controller, the driving component includes a driving motor, the driving motor and the first electrical connector are electrically connected to the controller, and the controller controls the operation of the driving motor by receiving a signal input from the mainboard to the first electrical connector.

3. The turntable according to claim 2, characterized in that: It also includes an atmosphere light electrically connected to the controller. The placement table is provided with a convex edge extending downward and arranged circumferentially around the placement table. The convex edge and the outer side wall of the base form a concave cavity. The atmosphere light surrounds the outer side wall of the base and is located in the concave cavity.

4. The turntable according to claim 2, characterized in that: The driving assembly also includes a transmission member, which includes a first gear and a second gear. The first gear is sleeved on the output shaft of the driving motor, and the second gear is arranged at the bottom of the placement table and meshes with the first gear for transmission.

5. The turntable according to claim 4, characterized in that: It also includes a rolling assembly, the rolling assembly includes a rolling body and a retaining frame, the base is provided with a groove, and the rolling body is partially arranged in the groove; A through hole is formed on the retaining frame, the retaining frame is arranged on the base and the rolling body is located in the through hole to keep the rolling body rolling; A rolling groove is provided at the bottom of the placing table, and the rolling groove abuts against the rolling body.

6. The turntable according to any one of claims 1 to 3, characterized in that: The bottom of the placing table is also provided with a rotating sleeve, and a slot is provided in the rotating sleeve; The base is provided with a rotating shaft, the rotating shaft is provided with a clamping block, the rotating shaft is rotatably connected to the rotating sleeve, and the clamping block is clamped in the clamping slot.

7. The turntable according to any one of claims 1 to 3, characterized in that: The base is provided with a plug hole, and the first electrical connector is plugged into the plug hole to be fixed on the base.

8. The turntable according to any one of claims 1 to 3, characterized in that: The placing table and the base are both circular, the outer diameter of the placing table is A, and satisfies 3cm≤A≤15cm; the outer diameter of the base is B, and satisfies 3cm≤B≤15cm; the height of the turntable is H, and satisfies 1 cm≤H≤4cm.

9. A computer host, comprising the turntable according to any one of claims 1 to 8, characterized in that: It also includes a chassis, the mainboard is installed in the chassis, and the first electrical connector is electrically connected to the second electrical connector through a wire to achieve communication connection between the turntable and the mainboard.

10. The computer host according to claim 9, characterized in that: The second electrical connector is a system fan socket. Both the system fan socket and the first electrical connector are 4-pin interfaces and include +12 VDC, GND, PWM, and RPM.

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