A cooling device and cooling method for a computer case

Abstract

The present invention discloses a cooling device for a computer case and a cooling method thereof, which relates to the field of computer cases, and includes a case body, a side panel, a cooling mechanism, an air guide mechanism and a connecting mechanism, wherein the side panel is fixedly mounted on one side of the case body; the cooling mechanism is arranged on the side panel to dissipate heat inside the case body; the air guide mechanism is arranged on the cooling mechanism to diffuse the airflow entering the inside of the case body; the connecting mechanism is installed between the cooling mechanism and the air guide mechanism to drive the air guide mechanism to adjust. The present invention drives the gear to rotate through the operation of the heat dissipation fan, and drives the movable ring and the mounting ring to rotate through the meshing action of the gear and the latch teeth. When the protrusion rotates to one end of the extrusion rod, it squeezes one end of the extrusion rod, pushing the fixed block and the movable rod to move upward, and uses the movable rod to drive multiple air guide plates to rotate, and adjusts the angles of the multiple air guide plates, so that the airflow diffuses along the air guide plates.

Description

Technical Field

[0001] The invention relates to the field of computer cases, and in particular to a cooling device for a computer case and a cooling method thereof. Background Art

[0002] A computer is a modern electronic computing machine used for high-speed computing. It can perform numerical calculations, logical calculations, and has storage and memory functions. It is a modern intelligent electronic device that can run according to programs and automatically and quickly process massive amounts of data. Computer hardware is mainly composed of a host, output devices, and input devices, among which the host is the main body of the computer.

[0003] There are electrical components installed inside the computer host. During operation, the electrical components will generate heat, which will increase the temperature inside the host chassis. In order to dissipate the heat and cool the host chassis, a cooling fan is usually used to process the inside of the chassis. However, the airflow driven by common cooling fans mostly flows into the chassis horizontally, which is not convenient for spreading the airflow to various parts of the chassis, and it is not convenient to dissipate the heat in various parts of the chassis, which reduces the heat dissipation effect. Summary of the invention

[0004] The object of the present invention is to provide a cooling device for a computer case and a cooling method thereof to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solution: a cooling device for a computer case, comprising a case body; A side panel, the side panel being fixedly mounted on one side of the chassis body; It also includes a cooling mechanism, an air guide mechanism and a connecting mechanism, wherein the cooling mechanism is arranged on the side plate and is used to perform heat dissipation treatment on the interior of the chassis body; The air guide mechanism is arranged on the cooling mechanism, and is used to diffuse the airflow entering the interior of the chassis body; The connecting mechanism is installed between the cooling mechanism and the air guiding mechanism, and the connecting mechanism is used to drive the air guiding mechanism to perform movable adjustment.

[0006] Preferably, the cooling mechanism comprises: A casing, wherein the casing is fixedly mounted on one side of the outer wall of the side plate; A grid, the grid being fixedly mounted in the middle of one side of the casing; A fixing frame, one end of which is fixedly connected to one side of the inner wall of the casing; A heat dissipation fan, wherein the heat dissipation fan is fixedly installed in the inner cavity of the fixing frame; The vent is opened on the other side of the housing and corresponds to the position of the heat dissipation fan.

[0007] Preferably, the air guide mechanism comprises: Wind deflectors, the wind deflectors are arranged in the inner cavity of the vents, and the wind deflectors are arranged in a vertically spaced arrangement; A connecting shaft, one end of which is fixedly connected to one end of the air guide plate, and the other end of which is rotatably connected to the inner wall of the vent; A connecting block, one end of which is fixedly connected to the middle of one side of the air guide plate, and the connecting block is arranged in a U shape; The connection grooves are arranged on the front and back sides of the connection block.

[0008] Preferably, the air guide mechanism further includes: A connecting rod, one end of which is disposed in the inner cavity of the connecting block; A fixed shaft 1, wherein the fixed shaft 1 is fixedly inserted and connected to two ends of the connecting rod, and the two ends of the fixed shaft 1 are respectively inserted and arranged with the inner cavity of the connecting groove; A fixed seat, wherein the fixed seat and two ends of the fixed shaft are rotatably interlaced; A movable rod is arranged on one side of the air guide plate, and an outer wall of the movable rod is fixedly connected to one end of a fixing seat.

[0009] Preferably, the air guide mechanism further includes: A fixed block, one end of which is fixedly connected to one end of the movable rod; A fixing rod, one end of which is fixedly connected to the inner wall of the housing, and one end of which is interlaced with the fixing block; A compression spring, the compression spring is movably sleeved with one end of the fixing rod, and the compression spring is arranged between the inner wall of the casing and the fixing block; An extrusion rod, one end of which is fixedly connected to one end of a fixing block.

[0010] Preferably, the connecting mechanism comprises: A gear, the gear being drivingly connected to an output end of the heat dissipation fan; A movable ring, wherein the movable ring is arranged outside the gear; The latch teeth are in an annular array and are fixedly connected to the inner wall of the movable ring at equal intervals. The latch teeth are meshed and connected with the top of the gear.

[0011] Preferably, the connecting mechanism further comprises: A mounting rod, one end of which is fixedly connected to the outer wall of the movable ring, and the mounting rods are arranged equidistantly in a circular array; A mounting ring, the mounting ring being arranged outside the movable ring, the inner wall of the mounting ring being fixedly connected to the other end of the mounting rod; Fixed columns, the fixed columns are in a circular array and are fixedly connected to one side of the mounting ring at equal intervals; An annular groove, the annular groove is arranged on one side of the inner wall of the housing, and the inner cavity of the annular groove is interlaced with the fixing column; A convex block, the convex block is fixedly connected to the outer wall of the mounting ring, and the convex block is arranged in an arc shape; The accommodating groove is arranged on one side of the mounting ring.

[0012] Preferably, the grid is arranged in a circular ring shape, the casing is fixedly connected to one side of the chassis body by bolts, and a through groove is arranged on one side of the chassis body, and the through groove corresponds to the position of the vent.

[0013] Preferably, the other end of the extrusion rod is arranged in a hemispherical shape, wherein the other end of one of the extrusion rods is fitted with the outer wall of the mounting ring, and the position of the protrusion corresponds to that of the accommodating groove.

[0014] The present invention also provides a method for using the cooling device of a computer case, comprising the following specific steps: Step 1: First, the cooling fan is operated to drive the external air into the housing through the grid, and then flows into the inner cavity of the chassis body through the vents to dissipate heat and cool the interior of the chassis body; Step 2: Then, the gear is driven to rotate together by the heat dissipation fan, and the meshing action of the gear and the latch teeth is used to drive the movable ring and the mounting ring to rotate together, so that the protrusion and the receiving groove are respectively rotated to the positions of the two extrusion rods, and the outer wall of the protrusion presses one end of the extrusion rod; Step three: Then, one of the extrusion rods is squeezed by the protrusion to drive the fixed block and the movable rod to move vertically upward, and one end of the other extrusion rod slides into the inner cavity of the accommodating groove. With the vertical movement of the movable rod, one end of multiple connecting rods is driven to move together, and the other end of the connecting rod slides in the inner cavity of the connecting groove, and pulls the connecting block and the air guide plate to rotate around the connecting axis, adjusts the angles of the multiple air guide plates, and diffuses the airflow along the air guide plate, so that the airflow diffuses to the inside of the chassis body.

[0015] Technical effects and advantages of the present invention: The present invention utilizes a configuration mode in which a convex block, an extrusion rod, a fixed block, a movable rod, a connecting rod, an air guide plate and a connecting shaft are matched. The convex block extrudes one of the extrusion rods to drive the fixed block and the movable rod to move vertically upward, and one end of the other extrusion rod slides into the inner cavity of the accommodating groove. With the vertical movement of the movable rod, one end of a plurality of connecting rods is driven to move together, and the other end of the connecting rod slides in the inner cavity of the connecting groove, and pulls the connecting block and the air guide plate to rotate around the connecting shaft, and adjusts the angles of the plurality of air guide plates, so that the airflow is diffused along the air guide plate, so that the airflow is diffused to the inside of the chassis body; The present invention utilizes a configuration mode in which gears, latch teeth, movable rings, mounting rings and protrusions are matched with each other. The operation of the heat dissipation fan drives the gears to rotate, and the meshing action of the gears and latch teeth drives the movable ring and the mounting ring to rotate together. When the protrusion rotates to one end of the extrusion rod, its outer wall presses one end of the extrusion rod, pushing the fixed block and the movable rod to move in the vertical direction, and the movable rod drives the multiple air guide plates to rotate. The present invention utilizes a configuration method in which a heat dissipation fan, vents and a grid are coordinated. Through the operation of the heat dissipation fan, external air is driven to enter the interior of the casing through the grid, and flows into the inner cavity of the chassis body through the vents, thereby dissipating heat and cooling the interior of the chassis body. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0017] Figure 2 It is a front cross-sectional structural schematic diagram of the chassis main body of the present invention.

[0018] Figure 3 It is a front cross-sectional structural schematic diagram of the casing of the present invention.

[0019] Figure 4 It is a front cross-sectional structural schematic diagram of the air guide plate of the present invention.

[0020] Figure 5 For the present invention Figure 4 A is an enlarged structural diagram of FIG.

[0021] Figure 6 It is a schematic diagram of the structure of the wind guide plate of the present invention from a top view.

[0022] Figure 7 For the present invention Figure 4 Schematic diagram of the enlarged structure at B.

[0023] Figure 8 It is a schematic diagram of the side structure of the mounting ring of the present invention.

[0024] In the figure: 1. chassis body; 2. side panel; 3. cooling mechanism; 31. casing; 32. grid; 33. fixing frame; 34. cooling fan; 35. vent; 4. air guide mechanism; 41. air guide plate; 42. connecting shaft; 43. connecting block; 44. connecting groove; 45. connecting rod; 46. fixed shaft one; 47. fixing seat; 48. movable rod; 49. fixing block; 410. fixing rod; 411. compression spring; 412. extrusion rod; 5. connecting mechanism; 51. gear; 52. movable ring; 53. latching tooth; 54. mounting rod; 55. mounting ring; 56. fixing column; 57. annular groove; 58. protrusion; 59. receiving groove. 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 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 creative work are within the scope of protection of the present invention.

[0026] The present invention provides Figure 1-Figure 8 A cooling device for a computer case shown in the figure includes a case body 1, a side panel 2, a cooling mechanism 3, an air guide mechanism 4 and a connecting mechanism 5, wherein the side panel 2 is fixedly mounted on one side of the case body 1, and the side panel 2 is used to close one side of the case body 1; the cooling mechanism 3 is arranged on the side panel 2, and is used to perform heat dissipation treatment on the interior of the case body 1, and the cooling mechanism 3 is used to perform heat dissipation cooling on the interior of the case body 1; the air guide mechanism 4 is arranged on the cooling mechanism 3, and is used to diffuse the airflow entering the interior of the case body 1, and the air guide mechanism 4 is used to facilitate the adjustment of the flow direction of the airflow, so as to facilitate the diffusion of the airflow to the interior of the case body 1; the connecting mechanism 5 is installed between the cooling mechanism 3 and the air guide mechanism 4, and the connecting mechanism 5 is used to drive the air guide mechanism 4 to perform movable adjustment, and the air guide mechanism 4 is connected to the cooling mechanism 3 through the connecting mechanism 5, so that the cooling mechanism 3 drives the air guide mechanism 4 to move.

[0027] Furthermore, the cooling mechanism 3 includes a casing 31, which is fixedly installed on one side of the outer wall of the side panel 2, and the casing 31 is used to install a heat dissipation fan 34 and an air guide mechanism 4; a grid 32, which is fixedly installed in the middle of one side of the casing 31, and the external air flow flows through the grid 32; a fixing frame 33, one end of the fixing frame 33 is fixedly connected to one side of the inner wall of the casing 31, and the fixing frame 33 is used to fix the heat dissipation fan 34; a heat dissipation fan 34, which is fixedly installed in the inner cavity of the fixing frame 33, and the heat dissipation fan 34 is electrically connected to an external power supply through an external switch, and the operation of the heat dissipation fan 34 drives the external air to flow into the interior of the chassis body 1; a vent 35, which is opened on the other side of the casing 31, corresponding to the position of the heat dissipation fan 34, and the cold air flows into the chassis body 1 through the vent 35.

[0028] Specifically, the air guide mechanism 4 includes an air guide plate 41, which is arranged in the inner cavity of the vent 35, and the air guide plates 41 are arranged in a vertically spaced arrangement. A plurality of air guide plates 41 are arranged inside the vent 35, and the air flow flows along the surface of the air guide plate 41, which is convenient for adjusting the flow direction of the air flow; a connecting shaft 42, one end of the connecting shaft 42 is fixedly connected to one end of the air guide plate 41, and the other end of the connecting shaft 42 is rotatably connected to the inner wall of the vent 35, and the air guide plate 41 rotates around the connecting shaft 42; a connecting block 43, one end of the connecting block 43 is fixedly connected to the middle of one side of the air guide plate 41, and the connecting block 43 is arranged in a U shape, and the connecting block 43 is used to drive the air guide plate 41 to rotate; a connecting groove 44, the connecting groove 44 is arranged on the connecting block 4 3, the connecting groove 44 is used to install the fixed shaft 46; the connecting rod 45, one end of the connecting rod 45 is set in the inner cavity of the connecting block 43, the connecting rod 45 is used to connect the movable rod 48 and the connecting block 43, and one end of the connecting rod 45 slides in the inner cavity of the connecting block 43; the fixed shaft 46, the fixed shaft 46 is fixedly inserted and connected to the two ends of the connecting rod 45, and the two ends of the fixed shaft 46 are respectively inserted with the inner cavity of the connecting groove 44, and the two ends of the connecting rod 45 rotate around the fixed shaft 46; the fixed seat 47, the fixed seat 47 and the two ends of the fixed shaft 46 are rotationally inserted, and one end of the connecting rod 45 is connected to the movable rod 48 through the fixed seat 47; the movable rod 48, the movable rod 48 is set on one side of the air guide plate 41, and the movable rod 48 is connected to the movable rod 48. The outer wall of the movable rod 48 is fixedly connected to one end of the fixed seat 47, and multiple connecting rods 45 are connected to the movable rod 48, and the movable rod 48 drives multiple connecting blocks 43 and the air guide plate 41 to move together; a fixed block 49, one end of the fixed block 49 is fixedly connected to one end of the movable rod 48, and the fixed block 49 moves with the movable rod 48; a fixed rod 410, one end of the fixed rod 410 is fixedly connected to the inner wall of the casing 31, one end of the fixed rod 410 is interlaced with the fixed block 49, and the fixed rod 410 is used to limit the fixed block 49 to ensure that the movable rod 48 and the fixed block 49 can move stably in the vertical direction; a compression spring 411, the compression spring 411 is movably sleeved with one end of the fixed rod 410, and the compression spring 411 is arranged on the inner wall of the casing 31 and Between the fixed blocks 49, when the movable rod 48 moves in the vertical direction, the fixed block 49 is driven to compress and deform the compression spring 411, and the elastic effect of the compression spring 411 is used to push the movable rod 48 back to the initial position; the extrusion rod 412, one end of the extrusion rod 412 is fixedly connected to one end of the fixed block 49, and the extrusion rod 412 is used to push the movable rod 48 to move in the vertical direction. With the vertical movement of the movable rod 48, one end of the multiple connecting rods 45 is driven to move together, and the other end of the connecting rod 45 slides in the inner cavity of the connecting groove 44, and pulls the connecting block 43 and the air guide plate 41 to rotate around the connecting shaft 42, so as to adjust the angles of the multiple air guide plates 41, and the airflow is diffused along the air guide plate 41, so that the airflow is diffused to the inside of the chassis body 1.

[0029] Furthermore, the connecting mechanism 5 includes a gear 51, which is transmission-connected to the output end of the heat dissipation fan 34, and the gear 51 rotates together with the heat dissipation fan 34; a movable ring 52, which is arranged outside the gear 51, and the movable ring 52 is used to install a latch 53, which is used to drive the mounting ring 55 to rotate; latch teeth 53, which are fixedly connected to the inner wall of the movable ring 52 in an annular array at equal intervals, and the latch teeth 53 are meshed with the top of the gear 51. By utilizing the meshing action of the latch teeth 53 and the gear 51, the movable ring 52 is driven to rotate through the rotation of the gear 51; and the mounting ring 55 is installed. A mounting rod 54, one end of which is fixedly connected to the outer wall of the movable ring 52, and the mounting rods 54 are arranged in a circular array at equal intervals; a mounting ring 55, which is arranged outside the movable ring 52, and the inner wall of the mounting ring 55 is fixedly connected to the other end of the mounting rod 54, and the mounting ring 55 and the movable ring 52 are fixed by a plurality of mounting rods 54, so that the mounting ring 55 and the movable ring 52 rotate together; a fixing column 56, which is fixedly connected to one side of the mounting ring 55 at equal intervals in a circular array, and the fixing column 56 rotates with the mounting ring 55; an annular groove 57, an annular groove 58. 7 is arranged on one side of the inner wall of the housing 31, the inner cavity of the annular groove 57 and the fixing column 56 are interlaced, and the fixing column 56 is driven to rotate in the inner cavity of the annular groove 57 through the mounting ring 55 to ensure the stable rotation of the mounting ring 55; the protrusion 58, the protrusion 58 is fixedly connected to the outer wall of the mounting ring 55, the protrusion 58 is arranged in an arc shape, and the protrusion 58 rotates with the mounting ring 55. When the protrusion 58 rotates to one end of the extrusion rod 412, its outer wall squeezes one end of the extrusion rod 412, pushing the fixing block 49 and the movable rod 48 to move in the vertical direction; the accommodating groove 59, the accommodating groove 59 It is arranged on one side of the mounting ring 55. When the protrusion 58 squeezes one of the extrusion rods 412, the other extrusion rod 412 slides into the inner cavity of the accommodating groove 59. The operation of the heat dissipation fan 34 drives the gear 51 to rotate. The meshing action of the gear 51 and the latch tooth 53 drives the movable ring 52 and the mounting ring 55 to rotate together. When the protrusion 58 rotates to one end of the extrusion rod 412, its outer wall squeezes one end of the extrusion rod 412, pushing the fixed block 49 and the movable rod 48 to move in the vertical direction, and the movable rod 48 drives the multiple air guide plates 41 to rotate.

[0030] The grid 32 is arranged in a circular ring shape, and the casing 31 is fixedly connected to one side of the chassis body 1 by bolts. A through groove is arranged on one side of the chassis body 1, and the through groove corresponds to the position of the vent 35. The other end of the extrusion rod 412 is arranged in a hemispherical shape, and the other end of one of the extrusion rods 412 is fitted with the outer wall of the mounting ring 55, and the protrusion 58 corresponds to the position of the accommodating groove 59.

[0031] Method of use of the present invention: First, the operation of the heat dissipation fan 34 drives the external air to enter the interior of the housing 31 through the grid 32, and flows into the inner cavity of the chassis body 1 through the vent 35, so as to dissipate heat and cool the interior of the chassis body 1; Then, the gear 51 is driven to rotate by the heat dissipation fan 34, and the movable ring 52 and the mounting ring 55 are driven to rotate together by the meshing action of the gear 51 and the latching teeth 53, so that the protrusion 58 and the receiving groove 59 are respectively rotated to the positions of the two extrusion rods 412, and the outer wall of the protrusion 58 presses one end of the extrusion rod 412; Next, one of the extrusion rods 412 is squeezed by the protrusion 58, driving the fixed block 49 and the movable rod 48 to move vertically upward, and one end of the other extrusion rod 412 slides into the inner cavity of the accommodating groove 59. With the vertical movement of the movable rod 48, one end of the multiple connecting rods 45 is driven to move together, and the other end of the connecting rod 45 slides in the inner cavity of the connecting groove 44, and pulls the connecting block 43 and the air guide plate 41 to rotate around the connecting shaft 42, so as to adjust the angles of the multiple air guide plates 41, and the airflow is diffused along the air guide plate 41, so that the airflow is diffused to the interior of the chassis body 1.

[0032] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A cooling device for a computer case, comprising: Chassis body (1); A side panel (2), wherein the side panel (2) is fixedly mounted on one side of the chassis body (1); It is characterized in that it also comprises a cooling mechanism (3), an air guide mechanism (4) and a connecting mechanism (5), wherein the cooling mechanism (3) is arranged on the side plate (2) and is used to dissipate heat inside the chassis body (1); The air guide mechanism (4) is arranged on the cooling mechanism (3) and is used to diffuse the airflow entering the interior of the chassis body (1); The air guide mechanism (4) comprises a movable rod (48), and the movable rod (48) is arranged on one side of the air guide plate (41); A fixed block (49), one end of which is fixedly connected to one end of the movable rod (48); A fixing rod (410), one end of the fixing rod (410) being fixedly connected to the inner wall of the housing (31), and one end of the fixing rod (410) being interlaced with the fixing block (49); A compression spring (411), wherein the compression spring (411) is movably sleeved with one end of the fixing rod (410); An extrusion rod (412), one end of the extrusion rod (412) being fixedly connected to one end of a fixing block (49); The connecting mechanism (5) is installed between the cooling mechanism (3) and the air guide mechanism (4), and the connecting mechanism (5) is used to drive the air guide mechanism (4) to perform movable adjustment; The connecting mechanism (5) comprises a mounting rod (54), one end of the mounting rod (54) being fixedly connected to the outer wall of the movable ring (52), and the mounting rods (54) being arranged equidistantly in a ring array; A mounting ring (55), the mounting ring (55) being arranged outside the movable ring (52), the inner wall of the mounting ring (55) being fixedly connected to the other end of the mounting rod (54); Fixed columns (56), the fixed columns (56) being arranged in a circular array and fixedly connected to one side of the mounting ring (55) at equal intervals; an annular groove (57), the annular groove (57) being arranged on one side of the inner wall of the housing (31), the inner cavity of the annular groove (57) and the fixing column (56) being interlaced; A convex block (58), the convex block (58) being fixedly connected to the outer wall of the mounting ring (55), and the convex block (58) being arranged in an arc shape; An accommodating groove (59), wherein the accommodating groove (59) is arranged on one side of the mounting ring (55).

2. A cooling device for a computer case according to claim 1, characterized in that: The cooling mechanism (3) comprises: A casing (31), wherein the casing (31) is fixedly mounted on one side of an outer wall of the side plate (2); A grid (32), the grid (32) being fixedly mounted in the middle of one side of the housing (31); A fixing frame (33), one end of the fixing frame (33) being fixedly connected to one side of the inner wall of the casing (31); A heat dissipation fan (34), wherein the heat dissipation fan (34) is fixedly installed in the inner cavity of the fixing frame (33); A vent (35), wherein the vent (35) is opened on the other side of the housing (31) and corresponds to the position of the heat dissipation fan (34).

3. A cooling device for a computer case according to claim 2, characterized in that: The air guide mechanism (4) comprises: Wind guide plates (41), the wind guide plates (41) being arranged in the inner cavity of the vent (35), the wind guide plates (41) being arranged in a vertically spaced arrangement; A connecting shaft (42), one end of the connecting shaft (42) being fixedly connected to one end of the air guide plate (41), and the other end of the connecting shaft (42) being rotatably interlaced with the inner wall of the vent (35); A connecting block (43), one end of the connecting block (43) being fixedly connected to the middle portion of one side of the air guide plate (41), and the connecting block (43) being arranged in a U shape; A connecting groove (44) is provided on the front and back sides of the connecting block (43).

4. A cooling device for a computer case according to claim 3, characterized in that: The air guide mechanism (4) further comprises: A connecting rod (45), one end of which is disposed in the inner cavity of the connecting block (43); A fixed shaft (46), the fixed shaft (46) being fixedly inserted and connected to two ends of the connecting rod (45), and the two ends of the fixed shaft (46) are respectively inserted and arranged with the inner cavity of the connecting groove (44); A fixed seat (47), wherein the fixed seat (47) and two ends of the fixed shaft (46) are rotatably interlaced, and the outer wall of the movable rod (48) is fixedly connected to one end of the fixed seat (47).

5. A cooling device for a computer case according to claim 4, characterized in that: The connecting mechanism (5) comprises: A gear (51), the gear (51) being drivingly connected to an output end of the heat dissipation fan (34); A movable ring (52), wherein the movable ring (52) is arranged outside the gear (51); The latch teeth (53) are in the form of an annular array and are fixedly connected to the inner wall of the movable ring (52) at equal intervals. The latch teeth (53) are meshingly connected with the top of the gear (51).

6. A cooling device for a computer case according to claim 5, characterized in that: The grid (32) is arranged in a circular ring shape, and the housing (31) is fixedly connected to one side of the chassis body (1) by means of bolts. A through slot is arranged on one side of the chassis body (1), and the through slot corresponds to the position of the vent (35).

7. A cooling device for a computer case according to claim 6, characterized in that: The other end of the extrusion rod (412) is arranged in a hemispherical shape, wherein the other end of one of the extrusion rods (412) fits against the outer wall of the mounting ring (55), and the position of the protrusion (58) corresponds to that of the receiving groove (59).

8. A cooling method for a cooling device of a computer case according to any one of claims 1 to 7, characterized in that: The specific usage steps are as follows: Step 1: First, the heat dissipation fan (34) is operated to drive external air into the interior of the housing (31) through the grid (32), and then flows into the inner cavity of the chassis body (1) through the vent (35), thereby dissipating heat and cooling the interior of the chassis body (1); Step 2: Then, the gear (51) is driven to rotate by the heat dissipation fan (34), and the meshing action of the gear (51) and the latching teeth (53) is used to drive the movable ring (52) and the mounting ring (55) to rotate together, so that the protrusion (58) and the receiving groove (59) are respectively rotated to the positions of the two extrusion rods (412), and the outer wall of the protrusion (58) presses one end of the extrusion rod (412); Step 3: Then, one of the extrusion rods (412) is squeezed by the protrusion (58), so as to drive the fixed block (49) and the movable rod (48) to move vertically upward, and one end of the other extrusion rod (412) slides into the inner cavity of the accommodating groove (59). With the vertical movement of the movable rod (48), one end of the plurality of connecting rods (45) is driven to move together, and the other end of the connecting rod (45) slides in the inner cavity of the connecting groove (44), and pulls the connecting block (43) and the air guide plate (41) to rotate around the connecting shaft (42), and adjusts the angles of the plurality of air guide plates (41). The airflow is diffused along the air guide plate (41), so that the airflow is diffused into the interior of the chassis body (1).

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