Computer mainboard fixing device for computer

Abstract

The invention discloses a computer mainboard fixing device for a computer, and relates to the technical field of computer mainboards. The computer mainboard fixing device comprises a case body, a mainboard body and an outer connector, and further comprises a fixing device and a switching device. Wherein the fixing device comprises a mounting plate, a bearing plate, a bearing seat, a fixing frame, a sliding block and a clamping plate, the mounting plate is fixedly mounted in the case body, a first sliding groove is formed in the surface of the mounting plate, the bearing plate is slidably mounted on the inner wall of the first sliding groove, and the bearing seat is fixedly mounted at the end, away from the first sliding groove, of the bearing plate; the fixing frame is fixedly mounted on the surface of the mounting plate. The computer mainboard fixing device protects the performance of the mainboard body from being affected in the mounting process, the mounting efficiency of the mainboard body is improved, the stability of the speed of the clamping process of the mainboard body is maintained, the subsequent maintenance cost is reduced, and the service life of the mainboard body is prolonged.

Description

Technical Field

[0001] The present invention relates to the technical field of computer mainboards, in particular to a computer mainboard fixing device. Background Art

[0002] The motherboard is the core component of a computer, housing key components such as the CPU, memory, expansion slots, and input / output interfaces. Therefore, a secure motherboard installation is crucial to the stability and performance of your computer system.

[0003] Patent publication number CN218825392U relates to a computer motherboard fixing device, comprising a chassis; a limit frame, the limit frame being disposed at the bottom of the inner wall of the chassis, the limit frame having a connection slot formed therein, a threaded base disposed therein, an extension bolt disposed on the top of the threaded base, and a fixing plate disposed on one side of the inner wall of the chassis. The computer motherboard fixing device provided in this patent drives the threaded plate upward by rotating a rotating block. When the threaded plate rises, it drives the partition upward, thereby raising the partition to the top of the chassis, placing the motherboard outside the chassis. When personnel need to disassemble, repair, or clean the motherboard, they can easily and conveniently disassemble, repair, or clean the motherboard and its mounted components outside the chassis, thereby effectively improving the efficiency of personnel in maintaining and cleaning the motherboard.

[0004] In the above patent, the threaded plate is driven to rise by rotating the rotating block, so that the motherboard is outside the chassis, which is convenient for the staff to disassemble, repair and clean, thereby effectively improving the staff's maintenance and cleaning efficiency of the motherboard. However, during the installation of the motherboard, the motherboard may shake, resulting in an inaccurate installation position, or tilt during the installation process, thereby increasing the difficulty of the staff's work. For this purpose, a computer motherboard fixing device with a fixing device is designed. Summary of the Invention

[0005] In view of the deficiencies in the prior art, the present invention provides a computer motherboard fixing device for a computer, which solves the problems raised in the above-mentioned background technology.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: a computer motherboard fixing device for a computer, comprising a chassis body, a motherboard body and an external connector, and also comprising a fixing device and a switching device; wherein, the fixing device comprises a mounting plate, a receiving plate, a receiving seat, a fixing frame, a sliding block and a clamping plate; when installing the motherboard body, the motherboard body is moved to contact and squeeze the receiving seat to move, and the movement of the receiving seat drives the receiving plate to move; the mounting plate is fixedly mounted inside the chassis body, a slide groove 1 is provided on the surface of the mounting plate, the receiving plate is slidably mounted on the inner wall of the slide groove 1, and the receiving seat is fixedly mounted on the receiving seat The cam is fixed on the mounting plate, and the sliding block is slidably mounted on the inside of the fixing frame, and the clamping plate is slidably mounted on the surface of the mounting plate, and the sliding block is fixedly connected to the inner wall of the fixing frame by an elastic telescopic rod 1, and the clamping plate and the sliding block are fixedly connected by an elastic telescopic rod 2. The sliding block moves downward to drive the clamping plate to move downward, and the clamping plate moves downward to contact and fix the mainboard body. At the same time, the elastic telescopic rod 1 can effectively avoid deformation of the mainboard body caused by excessive clamping force, thereby protecting the performance of the mainboard body from being affected during the installation process and improving the efficiency of the mainboard body installation.

[0007] According to the above technical solution, an air valve is provided on the surface of the fixed frame, a pressure valve is provided inside the air valve, and a slide groove 2 is provided on the surface of the splint. When the sliding block moves, the outside air will be introduced into the interior of the fixed frame through the air valve, thereby maintaining the stability of the speed of the clamping process of the mainboard body, avoiding the sliding block and the splint from quickly contacting the mainboard body and causing damage to it, reducing subsequent maintenance costs, and extending the service life of the mainboard body.

[0008] According to the above technical solution, the adapter includes a socket, a skateboard, a slider, a triangular block, a movable plate and a blocking block. When the external connector is plugged into the socket, the external connector is first inserted into the surface of the skateboard, and the external connector contacts and squeezes the slider to move. After the slider moves, it resets to limit the external connector. The socket is fixedly mounted on the surface of the main board body, a sliding groove three is provided on the surface of the mounting plate, the skateboard is slidably mounted inside the sliding groove three, the slider is slidably mounted on the surface of the skateboard, the triangular block is fixedly mounted on the surface of the mounting plate, the movable plate is slidably mounted on the surface of the skateboard, and the movable plate is close to one side of the triangular block. An elastic telescopic rod three is fixedly installed on the side, and the blocking block is fixedly installed on the free end of the elastic telescopic rod three. The top of the slider is provided with an oblique cut surface one, and the end of the blocking block close to the triangular block is provided with an oblique cut surface two. A clockwork spring is provided between the slider and the skateboard, and a limiting groove is provided on the surface of the skateboard. The blocking block moves and contacts and is fixed under the action of the triangular block, thereby realizing precise plugging of the external connector and transferring the external force to between the skateboard and the triangular block. At the same time, it prevents the external connector from directly damaging the socket when being pulled by external force, reduces the possibility of the socket being damaged by external force, and extends the service life of the motherboard body.

[0009] According to the above technical solution, a receiving rod is fixedly installed on the side of the slider, and a connecting rod is rotatably installed on one end of the principle slider of the receiving rod. The end of the connecting rod away from the receiving rod is hinged with a lifting plate. When maintenance is required, the lifting plate is pressed downward, and the lifting plate moves downward to drive the connecting rod to move, and the movement of the connecting rod drives the receiving rod to move, and the movement of the receiving rod drives the slider to move to release the limit of the external joint, which is convenient for staff to carry out maintenance and improves the efficiency of maintenance.

[0010] The L-shaped lever is fixedly mounted on the support rod and the L-shaped lever is pivotally connected to the support rod, and the L-shaped lever is pivotally connected to the support rod to form a fixed position.

[0011] According to the above technical solution, a support plate is fixedly installed under the skateboard, a knocking rod is rotatably installed on the surface of the support plate, a clockwork spring four is arranged between the knocking rod and the support plate, and a pressure block is fixedly installed on the surface of the support rod. The pressure block moves upward to contact and squeeze the knocking rod to rotate. After the knocking rod rotates, it resets and knocks the skateboard, thereby improving the effect of disconnecting the external connector and the socket, further improving the maintenance efficiency, and reducing subsequent maintenance costs.

[0012] The heat dissipation device comprises a temperature detector, an exhaust fan, a receiving frame, a moving block, a scraper rod and a receiving block, the exhaust fan rotates to drive the receiving frame to rotate, the receiving frame rotates to drive the moving block to rotate, the moving block rotates to contact and drive the fixed block to rotate, and the fixed block rotates to drive the receiving block to rotate, the temperature detector is fixedly mounted on the inside of the receiving seat, the exhaust fan is fixedly mounted on the inner wall of the receiving seat, the receiving frame is fixedly mounted on the surface of the exhaust fan, the moving block is slidably mounted on the surface of the receiving frame, the scraper rod is slidably mounted on the inner wall of the receiving frame, and the receiving block is fixedly mounted on the surface of the scraper rod, a monitoring module and a control module are provided inside the temperature detector, and the control module is electrically connected to the exhaust fan. The temperature detector will start the exhaust fan through the control module to dissipate heat, so as to avoid excessive temperature affecting the normal use of the mainboard body and prolong the service life of the mainboard body. The scraper rod rotates to scrape away foreign matter inside the receiving seat, so as to avoid foreign matter accumulating on the inner wall of the receiving seat and affecting its heat dissipation effect.

[0013] According to the above technical solution, the moving block and the receiving frame are fixedly connected by four elastic telescopic rods, and a fixed block is fixedly installed on one end of the receiving block close to the moving block. When the exhaust fan rotates rapidly, the moving block moves under the action of centrifugal force so that its motion trajectory deviates from the fixed block, causing the scraper rod to stop rotating, thereby avoiding the scraper rod from rotating continuously, reducing the service life of the receiving seat, and reducing subsequent maintenance costs.

[0014] The present invention provides a computer motherboard fixing device for a computer. It has the following beneficial effects: (1) The computer motherboard fixing device moves the motherboard body and drives the receiving seat and the receiving plate to move and release the limit of the sliding block, so that the sliding block and the clamping plate clamp and fix the motherboard body, and under the action of the elastic telescopic rod 1, it prevents the motherboard body from being deformed due to excessive clamping force, protects the performance of the motherboard body from being affected during the installation process, and improves the efficiency of the motherboard body installation. At the same time, the sliding block moves under the action of the fixing frame and the air valve to maintain the stability of the speed of the clamping process of the motherboard body, avoiding the sliding block and the clamping plate from quickly contacting the motherboard body and causing damage to it.

[0015] (2) The computer motherboard fixing device inserts the external connector into the limiting groove inside the slide plate, and is fixed at the same time under the action of the slider and the triangular block, so as to achieve accurate insertion of the external connector and transfer the external force to between the slide plate and the triangular block, while preventing the external connector from directly damaging the socket when being pulled by the external force, reducing the possibility of the socket being damaged by the external force. At the same time, the slider is moved by the lifting plate and the connecting rod to release the limit of the external connector, which is convenient for the staff to carry out maintenance and improves the efficiency of maintenance.

[0016] (3) The computer motherboard fixing device, the slider moves through the L-shaped rod and the moving plate to drive the blocking block and the limit plate to move, so that the blocking block is separated from the triangular block and the external connector is driven to move upward to separate from the socket through the supporting rod, which is convenient for the external connector to be disconnected from the socket and the slide is reset at the same time, thereby improving the efficiency of the staff's maintenance and avoiding the incomplete disconnection of the external connector and the socket causing a short circuit of the motherboard body. At the same time, the support rod moves through the pressure block to drive the knocking rod to knock the slide, thereby improving the effect of disconnecting the external connector and the socket, further improving the maintenance efficiency and reducing the subsequent maintenance cost.

[0017] (4) The computer motherboard fixing device, when the temperature of the motherboard body exceeds the threshold, the temperature detector will start the exhaust fan through the control module to dissipate heat, so as to avoid the normal use of the motherboard body being affected by excessive temperature, thereby extending the service life of the motherboard body, and scraping away foreign matter inside the socket through the scraper rod to avoid foreign matter accumulating on the inner wall of the socket and affecting its heat dissipation effect. At the same time, when the exhaust fan rotates rapidly, the moving block moves under the action of centrifugal force so that its motion trajectory separates from the fixed block, causing the scraper rod to stop rotating, thereby avoiding the scraper rod from rotating continuously to reduce the service life of the socket and reduce subsequent maintenance costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 This is a schematic diagram of the position structure of the mounting plate and the fixing frame of the present invention; Figure 3 This is a schematic diagram of the position structure of the receiving plate and the receiving seat of the present invention; Figure 4 This is a schematic diagram of the position structure of the external connector and the socket of the present invention; Figure 5 For the present invention Figure 4 A schematic diagram of the enlarged structure of part A; Figure 6 This is a schematic diagram of the position structure of the external joint and the support plate of the present invention; Figure 7 For the present invention Figure 6 The enlarged structural diagram of part B in the middle; Figure 8 It is a schematic diagram of the internal structure of the receiving seat of the present invention.

[0019] In the figure: 1. Chassis body; 2. Motherboard body; 3. External connector; 41. Mounting plate; 42. Adapter plate; 43. Adapter seat; 44. Fixed frame; 45. Sliding block; 46. Clamp; 47. Air valve; 51. Socket; 52. Slide plate; 53. Slider; 54. Triangular block; 55. Moving plate; 56. Block; 57. Adapter rod; 58. Connecting rod; 59. Lifting plate; 61. L-shaped rod; 62. Limiting plate; 63. Support rod; 64. Diagonal rod; 65. Support plate; 66. Knocking rod; 67. Pressing block; 71. Temperature detector; 72. Exhaust fan; 73. Adapter frame; 74. Moving block; 75. Scraper rod; 76. Adapter block; 77. Fixed block. DETAILED DESCRIPTION

[0020] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments 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 are within the scope of protection of the present invention.

[0021] See also Figure 1-5 One embodiment of the present invention is: a computer motherboard fixing device for a computer, comprising a chassis body 1, a motherboard body 2 and an external connector 3, and also comprising a fixing device and a switching device; wherein the fixing device comprises a mounting plate 41, a receiving plate 42, a receiving seat 43, a fixing frame 44, a sliding block 45 and a clamping plate 46. When installing the motherboard body 2, the motherboard body 2 is moved to contact and squeeze the receiving seat 43 to move, and the receiving seat 43 moves to drive the receiving plate 42 to move. The mounting plate 41 is fixedly mounted inside the chassis body 1, a sliding groove 1 is opened on the surface of the mounting plate 41, the receiving plate 42 is slidably mounted on the inner wall of the sliding groove 1, and the receiving seat 43 is fixedly mounted on the receiving plate 42 away from the sliding groove. At one end of slot one, a fixed frame 44 is fixedly mounted on the surface of the mounting plate 41, a sliding block 45 is slidably mounted inside the fixed frame 44, a splint 46 is slidably mounted on the surface of the mounting plate 41, the sliding block 45 is fixedly connected to the inner wall of the fixed frame 44 by an elastic telescopic rod one, and the splint 46 is fixedly connected to the sliding block 45 by an elastic telescopic rod two, the sliding block 45 moves downward to drive the splint 46 to move downward, and the splint 46 moves downward to contact and fix the mainboard body 2. At the same time, the elastic telescopic rod one can effectively avoid the deformation of the mainboard body 2 caused by excessive clamping force, thereby protecting the performance of the mainboard body 2 from being affected during the installation process and improving the efficiency of the installation of the mainboard body 2.

[0022] An air valve 47 is provided on the surface of the fixed frame 44, and a pressure valve is provided inside the air valve 47. A second slide groove is provided on the surface of the splint 46. When the sliding block 45 moves, the outside air will be introduced into the interior of the fixed frame 44 through the air valve 47, maintaining the stability of the clamping process speed of the mainboard body 2, avoiding the sliding block 45 and the splint 46 from quickly contacting the mainboard body 2 and causing damage to it, reducing subsequent maintenance costs, and extending the service life of the mainboard body 2.

[0023] The adapter includes a socket 51, a slide 52, a slider 53, a triangular block 54, a movable plate 55 and a blocking block 56. When the external connector 3 is plugged into the socket 51, the external connector 3 is first inserted into the surface of the slide 52. The external connector 3 contacts and squeezes the slider 53 to move. After the slider 53 moves, it resets to limit the external connector 3. The socket 51 is fixedly mounted on the surface of the main body 2. The surface of the mounting plate 41 is provided with a slide groove 3. The slide 52 is slidably mounted inside the slide groove 3. The slider 53 is slidably mounted on the surface of the slide 52. The triangular block 54 is fixedly mounted on the surface of the mounting plate 41. The movable plate 55 is slidably mounted on the surface of the slide 52. The movable plate 55 is close to the triangular block 54. An elastic telescopic rod three is fixedly installed on one side, and a blocking block 56 is fixedly installed on the free end of the elastic telescopic rod three. A beveled surface one is provided above the slider 53, and a beveled surface two is provided at the end of the blocking block 56 close to the triangular block 54. A clockwork spring one is provided between the slider 53 and the slide plate 52, and a limiting groove is provided on the surface of the slide plate 52. The blocking block 56 moves and contacts and is fixed under the action of the triangular block 54, thereby realizing precise insertion of the external connector 3 and transferring the external force to between the slide plate 52 and the triangular block 54. At the same time, it prevents the external connector 3 from directly damaging the socket 51 when being pulled by external force, reduces the possibility of the socket 51 being damaged when being dragged by external force, and extends the service life of the motherboard body 2.

[0024] A receiving rod 57 is fixedly installed on the side of the slider 53. The principle of the receiving rod 57 is that a connecting rod 58 is rotatably installed on one end of the slider 53. The end of the connecting rod 58 away from the receiving rod 57 is hinged with a lifting plate 59. When maintenance is needed, the lifting plate 59 is pressed downward. The lifting plate 59 moves downward to drive the connecting rod 58 to move. The movement of the connecting rod 58 drives the receiving rod 57 to move. The movement of the receiving rod 57 drives the slider 53 to move to release the limit of the external joint 3, which is convenient for the staff to carry out maintenance and improves the efficiency of maintenance.

[0025] When the main body 2 is installed, the main body 2 is moved to contact and squeeze the receiving seat 43, and the receiving seat 43 moves to drive the receiving plate 42 to move, and the receiving plate 42 moves to release the limit of the sliding block 45. After the limit is released, the sliding block 45 moves downward under the action of the fixing frame 44 and the elastic telescopic rod 1, and the sliding block 45 moves downward to drive the clamping plate 46 to move downward, and the clamping plate 46 moves downward to contact and fix the main body 2. At the same time, the elastic telescopic rod 1 can effectively avoid the main body 2 from being deformed due to excessive clamping force, thereby protecting the performance of the main body 2 from being affected during the installation process and improving the efficiency of the installation of the main body 2. At the same time, the movement of the sliding block 45 will introduce external air into the interior of the fixing frame 44 through the air valve 47, maintaining the stability of the speed of the clamping process of the main body 2, avoiding the sliding block 45 and the clamping plate 46 from quickly contacting the main body 2 to cause damage to it, reducing subsequent maintenance costs, and extending the service life of the main body 2.

[0026] When wiring, in the process of plugging the external connector 3 into the socket 51, first insert the external connector 3 into the limiting groove on the surface of the slide 52, the external connector 3 contacts and squeezes the slider 53 to move, and the slider 53 resets after moving to limit the external connector 3, and then move the slide 52, and the movement of the slide 52 drives the external connector 3 to move, and the external connector 3 moves to contact and insert into the interior of the socket 51, and the movement of the slide 52 drives the moving plate 55 to move, and the movement of the moving plate 55 drives the blocking block 56 to move, and the blocking block 56 moves to contact and is fixed under the action of the triangular block 54, thereby achieving the connection of the external connector 3. Precise plugging and transferring external force to between the slide plate 52 and the triangular block 54, while preventing the external connector 3 from directly damaging the socket 51 when being pulled by external force, reducing the possibility of the socket 51 being damaged when being dragged by external force, and extending the service life of the main board body 2. At the same time, when maintenance is needed, press the lifting plate 59 downward, and the lifting plate 59 moves downward to drive the connecting rod 58 to move, and the movement of the connecting rod 58 drives the receiving rod 57 to move, and the movement of the receiving rod 57 drives the slider 53 to move to release the limit of the external connector 3, making it convenient for staff to carry out maintenance and improving maintenance efficiency.

[0027] See also Figure 1-8On the basis of the above embodiment, another embodiment of the present invention further includes a limiting device and a heat dissipation device. The limiting device includes an L-shaped rod 61, a limiting plate 62, a supporting rod 63 and an oblique rod 64. The movement of the slider 53 drives the L-shaped rod 61 to move, the movement of the L-shaped rod 61 drives the moving plate 55 to move, and the movement of the moving plate 55 drives the blocking block 56 to move. The L-shaped rod 61 is fixedly mounted on the surface of the slider 53, the limiting plate 62 is fixedly mounted above the L-shaped rod 61, the supporting rod 63 is slidably mounted on the surface of the slide 52, and the oblique rod 64 is hinged. On the surface of the support rod 63, the end of the L-shaped rod 61 away from the slider 53 is fixedly connected to the movable plate 55, and a second spring is provided between the support rod 63 and the slide 52, and a third spring is provided between the inclined rod 64 and the support rod 63. The support rod 63 moves upward to drive the external connector 3 to move upward, which facilitates the external connector 3 to disconnect from the socket 51 and resets the slide 52, thereby improving the efficiency of the staff's maintenance and avoiding the incomplete disconnection of the external connector 3 from the socket 51, which causes a short circuit of the main board body 2, thereby extending the service life of the main board body 2.

[0028] A support plate 65 is fixedly installed under the slide plate 52, and a knocking rod 66 is rotatably installed on the surface of the support plate 65. A spring four is provided between the knocking rod 66 and the support plate 65. A pressure block 67 is fixedly installed on the surface of the support rod 63. The pressure block 67 moves upward to contact and squeeze the knocking rod 66 to rotate. After the knocking rod 66 rotates, it resets and knocks the slide plate 52, thereby improving the effect of disconnecting the external connector 3 from the socket 51, further improving the maintenance efficiency, and reducing the subsequent maintenance cost.

[0029] The heat dissipation device includes a temperature detector 71, an exhaust fan 72, a receiving frame 73, a moving block 74, a scraper 75 and a receiving block 76. The exhaust fan 72 rotates to drive the receiving frame 73 to rotate, the receiving frame 73 rotates to drive the moving block 74 to rotate, the moving block 74 rotates to contact and drive the fixed block 77 to rotate, the fixed block 77 rotates to drive the receiving block 76 to rotate, the temperature detector 71 is fixedly installed inside the receiving seat 43, the exhaust fan 72 is fixedly installed on the inner wall of the receiving seat 43, the receiving frame 73 is fixedly installed on the surface of the exhaust fan 72, and the moving block 74 is slidably installed on the receiving seat 43. The scraper rod 75 is slidably installed on the surface of the receiving frame 73 on the inner wall of the receiving frame 73, and the receiving block 76 is fixedly installed on the surface of the scraper rod 75. A monitoring module and a control module are provided inside the temperature detector 71. The control module is electrically connected to the exhaust fan 72. The temperature detector 71 will start the exhaust fan 72 through the control module to dissipate heat to avoid excessive temperature affecting the normal use of the main board body 2 and extending the service life of the main board body 2. The scraper rod 75 rotates to scrape off foreign matter inside the receiving seat 43 to avoid foreign matter accumulating on the inner wall of the receiving seat 43 and affecting its heat dissipation effect.

[0030] The movable block 74 is fixedly connected to the receiving frame 73 by an elastic telescopic rod 4, and a fixed block 77 is fixedly installed on the end of the receiving block 76 close to the movable block 74. When the exhaust fan 72 rotates rapidly, the movable block 74 moves under the action of centrifugal force so that its motion trajectory deviates from the fixed block 77, causing the scraper rod 75 to stop rotating, thereby preventing the scraper rod 75 from rotating continuously and reducing the service life of the receiving seat 43, thereby reducing subsequent maintenance costs.

[0031] When the slider 53 moves, the L-shaped rod 61 moves, and the L-shaped rod 61 moves to drive the moving plate 55 to move. The moving plate 55 moves to drive the blocking block 56 to move, and the blocking block 56 moves out of the limit of the triangular block 54. The L-shaped rod 61 moves and drives the limiting plate 62 to move. The limiting plate 62 moves to contact and squeeze the oblique rod 64 to move upward. The oblique rod 64 moves upward to drive the supporting rod 63 to move upward. The supporting rod 63 moves upward to drive the external connector 3 to move upward, which is convenient for disconnecting the external connector 3 from the socket 51 and resetting the slide plate 52, thereby improving the efficiency of the maintenance staff and avoiding the incomplete disconnection of the external connector 3 and the socket 51, resulting in a short circuit of the main board body 2 and extending the service life of the main board body 2. At the same time, the supporting rod 63 moves upward to drive the pressing block 67 to move upward, and the pressing block 67 moves upward to contact and squeeze the knocking rod 66 to rotate. After the knocking rod 66 rotates, it resets and knocks the slide plate 52, thereby improving the effect of disconnecting the external connector 3 from the socket 51, further improving the maintenance efficiency and reducing the subsequent maintenance cost.

[0032] When the temperature detector 71 detects that the temperature of the main board body 2 exceeds the threshold value, the temperature detector 71 will start the exhaust fan 72 through the control module to dissipate heat, so as to prevent the normal use of the main board body 2 from being affected by excessive temperature, thereby extending the service life of the main board body 2. At the same time, the exhaust fan 72 rotates to drive the receiving frame 73 to rotate, and the receiving frame 73 rotates to drive the moving block 74 to rotate. The moving block 74 rotates to contact and drive the fixed block 77 to rotate. The fixed block 77 rotates to drive the receiving block 76 to rotate. The receiving block 76 rotates to drive the scraper rod 75 to rotate. The scraper rod 75 rotates to scrape foreign matter inside the receiving seat 43 to prevent foreign matter from accumulating on the inner wall of the receiving seat 43 and affecting its heat dissipation effect. At the same time, when the exhaust fan 72 rotates rapidly, the moving block 74 moves under the action of centrifugal force so that its motion trajectory deviates from the fixed block 77, causing the scraper rod 75 to stop rotating, thereby preventing the scraper rod 75 from rotating continuously to reduce the service life of the receiving seat 43 and reduce subsequent maintenance costs.

[0033] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A computer motherboard fixing device for a computer, comprising a chassis body (1), a motherboard body (2) and an external connector (3), characterized in that: It also includes a fixing device, a switching device, a limiting device and a heat dissipation device; The fixing device comprises a mounting plate (41), a receiving plate (42), a receiving seat (43), a fixing frame (44), a sliding block (45) and a clamping plate (46), wherein the mounting plate (41) is fixedly mounted inside the chassis body (1), a sliding groove 1 is provided on the surface of the mounting plate (41), the receiving plate (42) is slidably mounted on the inner wall of the sliding groove 1, the receiving seat (43) is fixedly mounted on an end of the receiving plate (42) away from the sliding groove 1, the fixing frame (44) is fixedly mounted on the surface of the mounting plate (41), the sliding block (45) is slidably mounted inside the fixing frame (44), the clamping plate (46) is slidably mounted on the surface of the mounting plate (41), the sliding block (45) and the inner wall of the fixing frame (44) are fixedly connected by an elastic telescopic rod 1, and the clamping plate (46) and the sliding block (45) are fixedly connected by an elastic telescopic rod 2.

2. A computer motherboard fixing device for a computer according to claim 1, characterized in that: An air valve (47) is provided on the surface of the fixing frame (44), a pressure valve is provided inside the air valve (47), and a second sliding groove is provided on the surface of the clamping plate (46).

3. A computer motherboard fixing device for a computer according to claim 2, characterized in that: The adapter device comprises a socket (51), a slide plate (52), a slider (53), a triangular block (54), a movable plate (55) and a blocking block (56), wherein the socket (51) is fixedly mounted on the surface of the main board body (2), a sliding groove three is provided on the surface of the mounting plate (41), the slide plate (52) is slidably mounted inside the sliding groove three, the slider (53) is slidably mounted on the surface of the slide plate (52), the triangular block (54) is fixedly mounted on the surface of the mounting plate (41), the movable plate (55) is slidably mounted on the surface of the slide plate (52), an elastic telescopic rod three is fixedly mounted on a side of the movable plate (55) close to the triangular block (54), the blocking block (56) is fixedly mounted on the free end of the elastic telescopic rod three, an oblique surface one is provided on the top of the slider (53), an oblique surface two is provided on one end of the blocking block (56) close to the triangular block (54), a spring one is provided between the slider (53) and the slide plate (52), and a limiting groove is provided on the surface of the slide plate (52).

4. A computer motherboard fixing device for a computer according to claim 3, characterized in that: A receiving rod (57) is fixedly mounted on the side of the slider (53), and a connecting rod (58) is rotatably mounted on one end of the slider (53) of the receiving rod (57), and a lifting plate (59) is hingedly connected to one end of the connecting rod (58) away from the receiving rod (57).

5. A computer motherboard fixing device for a computer according to claim 4, characterized in that: The limiting device comprises an L-shaped rod (61), a limiting plate (62), a supporting rod (63) and an oblique rod (64), wherein the L-shaped rod (61) is fixedly mounted on the surface of the slider (53), the limiting plate (62) is fixedly mounted above the L-shaped rod (61), the supporting rod (63) is slidably mounted on the surface of the slide (52), the oblique rod (64) is hinged to the surface of the supporting rod (63), one end of the L-shaped rod (61) away from the slider (53) is fixedly connected to the movable plate (55), a second spring is provided between the supporting rod (63) and the slide (52), and a third spring is provided between the oblique rod (64) and the supporting rod (63).

6. The computer motherboard fixing device according to claim 5, characterized in that: A support plate (65) is fixedly installed below the slide plate (52), a knocking rod (66) is rotatably installed on the surface of the support plate (65), a spring (4) is provided between the knocking rod (66) and the support plate (65), and a pressure block (67) is fixedly installed on the surface of the support rod (63).

7. A computer motherboard fixing device for a computer according to claim 6, characterized in that: The heat dissipation device includes a temperature detector (71), an exhaust fan (72), a receiving frame (73), a moving block (74), a scraper rod (75) and a receiving block (76), wherein the temperature detector (71) is fixedly mounted inside the receiving seat (43), the exhaust fan (72) is fixedly mounted on the inner wall of the receiving seat (43), the receiving frame (73) is fixedly mounted on the surface of the exhaust fan (72), the moving block (74) is slidably mounted on the surface of the receiving frame (73), the scraper rod (75) is slidably mounted on the inner wall of the receiving frame (73), and the receiving block (76) is fixedly mounted on the surface of the scraper rod (75). A monitoring module and a control module are provided inside the temperature detector (71), and the control module is electrically connected to the exhaust fan (72).

8. The computer motherboard fixing device according to claim 7, characterized in that: The moving block (74) and the receiving frame (73) are fixedly connected via a fourth elastic telescopic rod, and a fixed block (77) is fixedly mounted on one end of the receiving block (76) close to the moving block (74).

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