CN115543043B

CN115543043B - Heat radiation fan using computer host

Info

Publication number: CN115543043B
Application number: CN202211168664.XA
Authority: CN
Inventors: 许文昉; 许嘉恒
Original assignee: Yiyi Jiangxi Electronic Technology Co ltd
Current assignee: Yiyi Jiangxi Electronic Technology Co ltd
Priority date: 2022-09-24
Filing date: 2022-09-24
Publication date: 2023-04-25
Anticipated expiration: 2042-09-24
Also published as: CN115543043A

Abstract

The invention discloses a cooling fan using a computer host, which has the technical proposal that: the fan comprises a fan frame I, wherein a fan frame II is arranged outside one side of the fan frame I, one side of the fan frame II extends into the fan frame I and is fixedly connected with the fan frame I, a driving motor is arranged inside the fan frame I, four supporting rods are fixedly connected with the outside of the driving motor, the four supporting rods are uniformly distributed in a circumferential shape and are fixedly connected with the fan frame I, an auxiliary mechanism is arranged on one side of the driving motor, the auxiliary mechanism comprises a rotating plate I and a rotating plate II, and the rotating plate I is fixedly connected with an output shaft of the driving motor, so that the fan has the beneficial effects that: the design of the auxiliary mechanism can adjust the inclination angles of the first fan blade and the second fan blade, so that larger wind can be blown out under the same rotating speed of the driving motor, the heat dissipation efficiency of the CPU of the computer is improved, the temperature of the CPU can be prevented from being too high, the normal use of the host computer can be ensured, and the phenomenon of clamping and stopping can be avoided.

Description

Heat radiation fan using computer host

Technical Field

The invention relates to the technical field of heat dissipation of a host, in particular to a heat dissipation fan applying a computer host.

Background

The host computer refers to a container for placing a motherboard and other main components in a computer hardware system, and generally includes a CPU, a memory, a hard disk, an optical drive, a power supply, and other input/output controllers and interfaces, such as a USB controller, a graphics card, a network card, a sound card, etc., which are located in a host case and are generally called internal devices, and are located outside the host case and are generally called peripheral devices (such as a display, a keyboard, a mouse, an external hard disk, an external optical drive, etc.), where the host computer itself (after being provided with software) is a computer system capable of running independently, and a server and other computers with special purposes generally have only a host, and no other peripheral devices.

When the computer host is used, the CPU can generate huge heat, so that the computer host needs to be cooled, air cooling and water cooling are generally adopted, a cooling fan needs to be used when the air cooling is adopted, the inclination angle of the fan blade of the existing cooling fan is fixed and cannot be adjusted, and therefore the heat dissipation effect can be influenced to a certain extent when the heat dissipation is carried out, and improvement is needed.

Disclosure of Invention

Therefore, the invention provides a heat dissipation fan applying a computer host, which solves the problems in the background technology through the design of an auxiliary mechanism.

In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides an use radiator fan of host computer, includes fan frame one, fan frame one-to-one outside is equipped with fan frame two, fan frame two side extends to fan frame one inside and fixed connection with it, fan frame one inside is equipped with driving motor, driving motor outside fixedly connected with four bracing pieces, four the bracing piece all with fan frame one fixed connection and four bracing pieces are circumference form evenly distributed, driving motor one side is equipped with auxiliary mechanism;

the auxiliary mechanism comprises a first rotating plate and a second rotating plate, wherein the first rotating plate is fixedly connected with an output shaft of a driving motor, a first circular ring is arranged on the inner side of the first rotating plate and fixedly connected with the second rotating plate, a second circular ring is arranged on the inner side of the first circular ring and is contacted with the first circular ring and the first rotating plate and is in sliding connection with the first circular ring, three first blades and three second blades are respectively arranged on the outer sides of the first circular ring and the second circular ring, the three first blades and the three second blades are uniformly distributed in a circumferential shape and are respectively attached to the three second blades, a connecting block is fixedly connected to one side of the first rotating plate and is cylindrical, one end of the connecting block penetrates the second circular ring and extends to the inner side of the first circular ring, a motor is fixedly embedded in the second rotating plate, the output shaft of the motor is fixedly connected with a first rotating shaft, one end of the rotating shaft is connected to one side of the connecting block, a moving plate is arranged in the first ring, a through groove is formed in the moving plate, the rotating shaft penetrates through the through groove, one side of the moving plate is connected with a first cylinder, the first cylinder is sleeved outside the connecting block and is in sliding connection with the connecting block, a fixed plate is fixedly connected to the inside of the first cylinder, the fixed plate is sleeved outside the first rotating shaft and is in sliding connection with the first rotating shaft, the moving plate and the second inner side of the rotating plate are fixedly connected with the first four electric cylinders, the first electric cylinders are positioned outside the motor and are uniformly distributed in a circumferential shape, the first inner sides of the three fan blades are fixedly connected with the second rotating shaft, the second inner ends of the three rotating shafts penetrate through the first ring and extend into the first ring, the second inner sides of the three fan blades are fixedly connected with the third rotating shaft, the third inner ends of the rotating shaft penetrate through the second ring and extend into the second ring, the three bevel gears I are fixedly connected to the inner ends of the rotating shafts II, the bevel gears II are fixedly connected to the inner ends of the rotating shafts III, the cylinder II is arranged on the outer fixed sleeve of the cylinder I, the conical gear ring I and the conical gear ring I are arranged on one side of the bevel gears I in the fixed sleeve of the cylinder II, the conical gear ring II and the conical gear ring II are arranged on one side of the bevel gears II in the fixed sleeve of the cylinder I, an auxiliary assembly is arranged outside the connecting block, and cleaning assemblies are arranged on the inner wall of the top of the fan frame II and the inner wall of the bottom of the fan frame II.

Preferably, the movable plate is in sliding connection with the first ring, the middle part of the first rotating shaft is square, the first rotating shaft is connected with the connecting block through a bearing, the third rotating shaft is connected with the first ring through a damping bearing, the third rotating shaft is connected with the second ring through a damping bearing, the first rotating plate is fixedly connected with three reinforcing rods outside the rotating plate, and the three reinforcing rods are uniformly distributed in a circumferential shape.

Preferably, the first inner wall of the circular ring is fixedly connected with two connecting blocks, the two connecting blocks are respectively positioned at the top and the bottom of the cylinder, the two connecting blocks and the second inner side of the rotating plate are fixedly connected with limiting rods, the two limiting rods penetrate through the movable plate, and the movable plate is in sliding connection with the limiting rods.

Preferably, the auxiliary assembly comprises a cylinder III, the cylinder III is sleeved outside the connecting block and is in sliding connection with the connecting block, the cylinder III is connected to one side of the cylinder I through a bearing, the circular ring III is fixedly connected to the inner side of the circular ring II, four arc-shaped grooves are formed in the inner wall of the circular ring III and are uniformly distributed in a circumferential shape, the other side of the cylinder III extends to the inner side of the circular ring III, four pushing blocks are fixedly connected to the outer side of the cylinder III, and the four pushing blocks are respectively embedded in the four arc-shaped grooves and are in sliding connection with the four arc-shaped grooves.

Preferably, the inner walls of the top and the bottom of the cylinder are fixedly connected with a first sliding block, the top and the bottom of the connecting block are provided with a first sliding groove, the first sliding block is embedded in the inner wall of the first sliding groove and is in sliding connection with the first sliding groove, and the third circular ring is in contact with the first rotating plate and is in sliding connection with the first rotating plate.

Preferably, the cleaning component comprises a first cavity, the first cavity is formed in the inner wall of the top of the fan frame, two auxiliary blocks are fixedly connected to the inner wall of the top of the fan frame and are distributed around the bearing seat, two auxiliary blocks are connected to the inner side of the auxiliary blocks, a brush rod and a first gear are fixedly sleeved on the outer side of the rotation shaft, bristles are fixedly arranged at the bottom of the brush rod, the first gear is located at the rear side of the brush rod and extends to the inner side of the first gear, a toothed plate is arranged in the first cavity, the first gear is located at the bottom of the toothed plate and meshed with the toothed plate, and the rotation shaft is connected with a placing plate through a damping bearing.

Preferably, the electric cylinder II is fixedly connected with one side of the toothed plate, one end of the electric cylinder II is fixedly connected with one of the supporting rods, the T-shaped block is fixedly connected with the top of the toothed plate, the T-shaped groove is formed in the top of the first cavity, and the T-shaped block is embedded in the T-shaped groove and is in sliding connection with the T-shaped groove.

Preferably, one side of the first circular ring is fixedly connected with two sliding blocks II, one side of the second circular ring is provided with a sliding groove II, and the sliding blocks II are embedded in the sliding groove II and are in sliding connection with the sliding groove II, and the sliding groove II is annular.

Preferably, two sliding blocks III are fixedly connected to the other side of the circular ring II, sliding grooves III are formed in one side of the rotating plate, the sliding blocks III are embedded in the sliding grooves III and are in sliding connection with the sliding grooves III, and the sliding grooves III are annular.

Preferably, a mounting plate is fixedly connected to the bottom of the fan frame.

The beneficial effects of the invention are as follows:

1. according to the invention, the inclination angles of the first fan blade and the second fan blade can be adjusted through the design of the auxiliary mechanism, so that larger wind can be blown out at the same rotation speed of the driving motor, the heat dissipation efficiency of a CPU (Central processing Unit) of a computer is improved, the temperature of the CPU can be prevented from being too high, the normal use of a host computer can be ensured, and the phenomenon of blocking does not occur;

2. according to the invention, the number of the fan blades is changed from three to six through the design of the auxiliary assembly, so that the air quantity blown out by the fan can be increased, more air quantity can be blown out under the condition that the driving motor rotates at the same speed, a certain air flow rate is accelerated, and the air flow rate in the host can be accelerated by matching with the auxiliary mechanism, so that the heat dissipation efficiency is accelerated;

3. the dust on the first fan blade and the second fan blade can be cleaned through the design of the two cleaning assemblies, so that the weight of the first fan blade and the second fan blade can be reduced, certain air resistance can be reduced, the rotating speed of the first fan blade can be prevented from being slower and slower when the heat dissipation is carried out, and the heat dissipation effect on the CPU can be guaranteed.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It will be apparent to those skilled in the art from this disclosure that the drawings described below are merely exemplary and that other embodiments may be derived from the drawings provided without undue effort.

The structures, proportions, sizes, etc. shown in this description are for the understanding and reading of the disclosure, and are not intended to limit the scope of the invention, which is defined by the claims, to any structural modifications, changes in proportions, or adjustments of sizes, which may be made by the claims, without departing from the spirit and scope of the invention, which is otherwise, indicated by the claims

FIG. 1 is a schematic view of the overall structure provided by the present invention;

FIG. 2 is a front cross-sectional view of the present invention;

FIG. 3 is an enlarged view of the portion A of FIG. 2 provided by the present invention;

FIG. 4 is an enlarged view of portion B of FIG. 2 provided by the present invention;

FIG. 5 is an enlarged view of FIG. 2 at C provided in the present invention;

FIG. 6 is a perspective view of a third ring and an annular groove provided by the invention;

FIG. 7 is a perspective cross-sectional view of a third ring and an annular groove provided by the invention;

FIG. 8 is a perspective view of a rotary shaft according to the present invention;

FIG. 9 is a perspective view of a first rotary plate, a second rotary plate and a reinforcing rod according to the present invention;

FIG. 10 is a perspective view of a third ring, an arc-shaped groove, a third cylinder and a pushing block provided by the invention;

FIG. 11 is a perspective view of a cylinder III and a pusher provided by the invention;

in the figure: a first fan frame, a second driving motor, a first 4 supporting rod, a first 5 rotating plate, a second 6 rotating plate, a first 7 circular ring, a second 8 circular ring, a first 9 fan blade, a second 10 fan blade, a first 11 connecting block, a second 12 motor, a first 13 rotating shaft, a first 14 moving plate, a first 15 cylinder, a first 16 fixing plate, a first 17 electric cylinder, a second 18 rotating shaft, a third 19 rotating shaft, a first 20 bevel gear, a second 21 bevel gear, a second 22 cylinder, a first 23 bevel gear ring, a second 24 bevel gear ring, a 25 connecting block, a 26 limiting rod, a third 27 cylinder, a third 28 circular ring, a 29 arc-shaped groove, a 30 pushing block, a first 31 sliding block, a 32 auxiliary block, a fourth 33 rotating shaft, a 34 brush rod, a first gear, 36 brush hairs, a second 37 toothed plate, a second 38 electric cylinder, a second 39T shaped block, a second 40 sliding block, a third 41 sliding block, a 42 mounting plate and a 43 reinforcing rod.

Detailed Description

The preferred embodiments of the present invention will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present invention only, and are not intended to limit the present invention.

Referring to fig. 1-11, the invention provides a cooling fan using a computer host, comprising a first fan frame 1, wherein a second fan frame 2 is arranged outside one side of the first fan frame 1, one side of the second fan frame 2 extends into the first fan frame 1 and is fixedly connected with the first fan frame 1, a driving motor 3 is arranged inside the first fan frame 1, four supporting rods 4 are fixedly connected with the outside of the driving motor 3, the four supporting rods 4 are fixedly connected with the first fan frame 1 and are uniformly distributed in a circumferential shape, and an auxiliary mechanism is arranged on one side of the driving motor 3;

the auxiliary mechanism comprises a first rotary plate 5 and a second rotary plate 6, the first rotary plate 5 is fixedly connected with an output shaft of the driving motor 3, a first circular ring 7 is arranged on the inner side of the second rotary plate 6 and the first rotary plate 5, the first circular ring 7 is fixedly connected with the second rotary plate 6, a second circular ring 8 is arranged on the inner side of the first circular ring 7 and the first rotary plate 5, the second circular ring 8 is contacted with the first circular ring 7 and the first rotary plate 5 and is in sliding connection with the first circular ring 5, three first blades 9 and three second blades 10 are respectively arranged on the outer sides of the first circular ring 7 and the second circular ring 8, the three first blades 9 and the three second blades 10 are uniformly distributed in a circumference shape and are respectively attached to the three second blades 10, a connecting block 11 is fixedly connected on one side of the first rotary plate 5 and is cylindrical, one end of the connecting block 11 penetrates the second circular ring 8 and extends into the first circular ring 7, a motor 12 is fixedly embedded in the second rotary plate 6, the output shaft of the motor 12 is fixedly connected with a first rotating shaft 13, one end of the first rotating shaft 13 is connected with one side of the connecting block 11, a movable plate 14 is arranged in the first circular ring 7, a through groove is formed in the movable plate 14, the first rotating shaft 13 penetrates through the groove, one side of the movable plate 14 is connected with a first cylinder 15, the first cylinder 15 is sleeved outside the connecting block 11 and is in sliding connection with the connecting block, a fixed plate 16 is fixedly connected inside the first cylinder 15, the fixed plate 16 is sleeved outside the first rotating shaft 13 and is in sliding connection with the first rotating shaft 13, the movable plate 14 and the inner side of the second circular ring 6 are fixedly connected with four first electric cylinders 17, the first four electric cylinders 17 are positioned outside the motor 12 and are uniformly distributed in a circumferential shape, the inner sides of the first three fan blades 9 are fixedly connected with second rotating shafts 18, the inner ends of the second three rotating shafts 18 penetrate through the first circular ring 7 and extend into the first circular ring 7, the inner sides of the third fan blades 10 are fixedly connected with third rotating shafts 19, the inner ends of the three rotating shafts III 19 penetrate through the ring II 8 and extend into the ring II 8, the inner ends of the three rotating shafts II 18 are fixedly connected with a bevel gear I20, the inner ends of the three rotating shafts III 19 are fixedly connected with a bevel gear II 21, a cylinder II 22 is fixedly sleeved outside the cylinder I15, a bevel gear I23 is fixedly sleeved outside the cylinder II 22, the bevel gear I23 is positioned on one side of the bevel gear I20, a bevel gear II 24 is fixedly sleeved outside the cylinder I15, the bevel gear II 24 is positioned on one side of the bevel gear II 21, an auxiliary component is arranged outside the connecting block 11, and cleaning components are arranged on the inner wall of the top and the inner wall of the bottom of the fan frame II 2;

in the embodiment, the inclination angles of the first fan blade 9 and the second fan blade 10 can be adjusted by the aid of the auxiliary mechanism, so that larger wind can be blown out at the same rotating speed of the driving motor 3, the heat dissipation efficiency of a CPU (Central processing Unit) of a computer is improved, the temperature of the CPU can be prevented from being too high, the normal use of a host computer can be ensured, and the phenomenon of blocking does not occur;

in order to achieve the purpose of enabling the first rotary plate 5 and the second rotary plate 6 to rotate simultaneously, the device is achieved by adopting the following technical scheme: the movable plate 14 is in sliding connection with the first circular ring 7, the middle part of the first rotating shaft 13 is square, the first rotating shaft 13 is connected with the connecting block 11 through a bearing, the second three rotating shafts 18 are connected with the first circular ring 7 through damping bearings, the third rotating shaft 19 is connected with the second circular ring 8 through damping bearings, the first rotating plate 5 and the second rotating plate 6 are fixedly connected with three reinforcing rods 43 outside, the three reinforcing rods 43 are uniformly distributed in a circumferential shape, the damping bearings can avoid change after the inclination angle is regulated, and the reinforcing rods 43 can enable the first rotating plate 5 and the second rotating plate 6 to rotate simultaneously;

in order to achieve the purpose of stable movement, the device is realized by adopting the following technical scheme: the inner wall of the first circular ring 7 is fixedly connected with two connecting blocks 25, the two connecting blocks 25 are respectively positioned at the top and the bottom of the first cylinder 15, the two connecting blocks 25 and the inner side of the second rotary plate 6 are fixedly connected with limiting rods 26, the two limiting rods 26 penetrate through the movable plate 14, the movable plate 14 is in sliding connection with the limiting rods 26, and the limiting rods 26 can enable the movable plate 14 to stably move;

in order to achieve the purpose that the number of the fan blades is changed, the device is realized by adopting the following technical scheme: the auxiliary assembly comprises a cylinder III 27, the cylinder III 27 is sleeved outside the connecting block 11 and is in sliding connection with the connecting block 11, the cylinder III 27 is connected to one side of the cylinder I15 through a bearing, a circular ring III 28 is fixedly connected to the inside of a circular ring II 8, four arc grooves 29 are formed in the inner wall of the circular ring III 28 and are uniformly distributed in a circumferential shape, the other side of the cylinder III 27 extends into the circular ring III 28, four push blocks 30 are fixedly connected to the outside of the cylinder III 27, the four push blocks 30 are respectively embedded in the four arc grooves 29 and are in sliding connection with the four arc grooves, the inner wall at the top and the inner wall at the bottom of the cylinder III 27 are fixedly connected with a first sliding block 31, the top and the bottom of the connecting block 11 are respectively provided with a first sliding groove 31, the circular ring III 28 is in contact with the first rotating plate 5 and is in sliding connection with the first sliding groove, and the design of the auxiliary assembly can change the number of the auxiliary assembly from three to six, so that the air quantity blown by a fan blade can be increased under the condition of the same rotating speed of the driving motor 3, and more air quantity can be blown out;

in order to achieve the aim of cleaning, the device is achieved by adopting the following technical scheme: the cleaning component comprises a first cavity, the first cavity is formed in the inner wall of the top of a second fan frame 2, the inner wall of the top of the second fan frame 2 is fixedly connected with two auxiliary blocks 32, the two auxiliary blocks 32 are distributed in front and back of a bearing seat, the inner sides of the two auxiliary blocks 32 are connected with a fourth rotating shaft 33, a brush rod 34 and a first gear 35 are fixedly sleeved on the outer part of the fourth rotating shaft 33, bristles 36 are fixedly arranged at the bottom of the brush rod 34, the first gear 35 is positioned at the rear side of the brush rod 34, the top end of the first gear 35 extends into the first cavity, a toothed plate 37 is arranged in the first cavity, the first gear 35 is positioned at the bottom of the toothed plate 37 and meshed with the toothed plate 37, the fourth rotating shaft 33 is connected with a placing plate through a damping bearing, one side of the toothed plate 37 is fixedly connected with an electric cylinder II 38, one end of the electric cylinder II 38 is fixedly connected with one supporting rod 4, a T-shaped block 39 is fixedly connected with the top of the toothed plate 37, a T-shaped block 39 is formed in the top of the first cavity, the T-shaped block 39 is embedded in the T-shaped groove and is slidably connected with the T-shaped block, dust on the blade 9 and on the blade 10 of the blade of the cleaning component can be cleaned by the blade 9 and the blade 10, so that the dust on the blade 10 can be cleaned, the blade 9 and the blade 10 can be reduced in weight, and the fan blade can be further and reduced, and the fan blade can rotate more and slower speed when the fan blade can be prevented;

in order to achieve the purpose of stable rotation, the device is achieved by adopting the following technical scheme: two sliding blocks II 40 are fixedly connected to one side of the first circular ring 7, a sliding groove II is formed in one side of the second circular ring 8, the sliding blocks II 40 are embedded in the sliding groove II and are in sliding connection with the sliding groove II, the sliding groove II is annular, two sliding blocks III 41 are fixedly connected to the other side of the second circular ring 8, a sliding groove III is formed in one side of the first rotating plate 5, the sliding blocks III 41 are embedded in the sliding groove III and are in sliding connection with the sliding groove III, the sliding groove III is annular, and the sliding blocks II 40 and the sliding blocks III 41 can enable the second circular ring 8 to be more stable in rotation;

in order to achieve the purpose of convenient installation, the device is realized by adopting the following technical scheme: the bottom of the fan frame I1 is fixedly connected with a mounting plate 42, and the mounting plate 42 can facilitate the installation of the device.

The application process of the invention is as follows: when the invention is used, the device can be arranged in a motor host through the design of the mounting plate 42, then the driving motor 3 is controlled to work so as to enable the first rotary plate 5 and the second rotary plate 6 to work so as to enable the first fan blade 9 and the second fan blade 10 to blow, so that heat generated by CPU work can be taken away, when the CPU load is overlarge, the temperature is raised, at the moment, the four electric cylinders 17 are controlled to work so as to push the moving plate 14 to move leftwards, thus the cylinder one 15, the cylinder two 22, the fixing plate 16, the conical ring one 23 and the conical ring two 24 are moved leftwards, the cylinder three 27 is pushed to move leftwards when the cylinder one 15 is moved leftwards, thus the four pushing blocks 30 are pushed to move leftwards in the arc grooves 29, the four arc grooves 29 are curved, the four pushing blocks 30 are respectively embedded in the four arc grooves 29 and are in sliding connection with the arc grooves 29, so that when the pushing blocks 30 move leftwards under the design of the arc grooves 29, the third ring 28 can be rotated, the second ring 8 can be rotated, the third fan blades 10 can be rotated, when the moving plate 14 moves to the position contacted with the two connecting blocks 25, the third fan blades 10 just move to the middle of the adjacent two first fan blades 9, the number of the fan blades can be changed from three to six, at the moment, the first bevel gear 23 just meshes with the first three bevel gears 20, the second bevel gears 21 just meshes with the second three bevel gears 21, then the motor 12 is controlled to rotate, the first rotating shaft 13 rotates to drive the fixed plate 16 to rotate, so that the first cylinder 15, the second cylinder 22, the first bevel gear 23 and the second bevel gear 24 rotate, the bevel gear I23 and the bevel gear II 24 rotate to enable the bevel gear I20 and the bevel gear II 21 to rotate, so that the rotating shaft II 18 and the rotating shaft III 19 rotate, and the fan blade I9 and the fan blade II 10 rotate, so that the inclination angles of the fan blade I9 and the fan blade II 10 are changed, and the quantity and the inclination angles of the fan blades on the cooling fan are changed, so that the air quantity blown by the fan can be increased by the driving motor 3 under the same rotating speed, and a certain air flow rate is accelerated, the heat dissipation efficiency of a CPU (central processing unit) of a computer is accelerated, the temperature of the CPU itself can be prevented from being too high, the normal use of a host computer can be ensured, and the phenomenon of clamping is avoided;

when dust is adhered to the first fan blade 9 and the second fan blade 10, the two electric cylinders 38 are controlled to work, so that the toothed plate 37 can be pushed rightwards, the two first gears 35 are rotated, the rotating shaft four 33 is driven to rotate, the brush rod 34 can be rotated by the rotation of the rotating shaft four 33, the brush hair 36 is contacted with the first fan blade 9 and the second fan blade 10, dust of the first fan blade 9 and the second fan blade 10 can be cleaned when the fan rotates, the weight of the first fan blade 9 and the second fan blade 10 can be reduced, certain air resistance can be reduced, the rotating speed of the first fan blade can be prevented from being slower and slower when heat dissipation is carried out, and the heat dissipation effect on a CPU (central processing unit) can be ensured.

The above description is only of the preferred embodiments of the present invention, and any person skilled in the art may modify the present invention or make modifications to the present invention equivalent thereto using the technical solutions described above. Therefore, any simple modification or equivalent made according to the technical solution of the present invention falls within the scope of the protection claimed by the present invention.

Claims

1. The utility model provides an application computer host's radiator fan, includes fan frame one (1), its characterized in that: the fan comprises a fan body, a fan frame I and a fan frame II, wherein the fan frame II (2) is arranged outside one side of the fan frame I (1), one side of the fan frame II extends into the fan frame I (1) and is fixedly connected with the fan frame I, a driving motor (3) is arranged inside the fan frame I (1), four supporting rods (4) are fixedly connected to the outside of the driving motor (3), the four supporting rods (4) are fixedly connected with the fan frame I (1) and are uniformly distributed in a circumferential shape, and an auxiliary mechanism is arranged on one side of the driving motor (3);

the auxiliary mechanism comprises a first rotating plate (5) and a second rotating plate (6), the first rotating plate (5) is fixedly connected with an output shaft of a driving motor (3), a first circular ring (7) is arranged on the inner side of the second rotating plate (6) and the first circular ring (7) is fixedly connected with the second rotating plate (6), a second circular ring (8) is arranged on the inner side of the first circular ring (7) and the first circular ring (8) and is in contact with the first circular ring (7) and the first rotating plate (5) and is in sliding connection with the first circular ring, three first circular ring (7) and the second circular ring (8) are respectively provided with three first circular blades (9) and three second circular blades (10), the three first circular blades (9) are respectively attached to the three second circular blades (10), one side of the first rotating plate (5) is fixedly connected with a connecting block (11) and is cylindrical, one end of the second circular ring (11) penetrates through the first circular ring (7) and is connected with the first rotating plate (5) and is in sliding connection with the first rotating plate (5), three first circular blades (9) and three second circular blades (10) are respectively arranged on the outer side of the first circular ring (9) and the three second circular blades (10) are respectively in a circular shape and are uniformly distributed on the inner side of the first circular blades (10), one side of the rotating plate (12) is fixedly connected with the first circular connecting block (12) and one end of the rotating block (12) is fixedly connected with the second rotating shaft (12), the utility model discloses a bevel gear, which is characterized in that a movable plate (14) is arranged inside a first circular ring (7), a through groove is formed inside the movable plate (14), a first rotary shaft (13) penetrates through the through groove, one side of the movable plate (14) is connected with a first cylinder (15), a first cylinder (15) is sleeved outside a connecting block (11) and is in sliding connection with the first cylinder, a fixed plate (16) is fixedly connected inside the first cylinder (15), the fixed plate (16) is sleeved outside the first rotary shaft (13) and is in sliding connection with the first rotary shaft (13), the movable plate (14) and the inner side of a second rotary plate (6) are fixedly connected with four first electric cylinders (17), the four first electric cylinders (17) are located outside a motor (12) and are uniformly distributed in a circumference shape, three inner sides of the first rotary shaft (9) are fixedly connected with a second rotary shaft (18), the inner ends of the three rotary shafts (18) penetrate through the first circular ring (7) and extend into the first circular ring (7), three inner ends of the two inner sides of the two rotary shaft (10) are fixedly connected with the first rotary shaft (19) and are fixedly connected with the inner ends of the three rotary shaft (19) and are fixedly connected with the bevel gear (19) respectively, the novel bevel gear cleaning device is characterized in that a cylinder II (22) is arranged on the outer fixed sleeve of the cylinder I (15), a bevel gear I (23) is arranged on the outer fixed sleeve of the cylinder II (22) and is positioned on one side of the bevel gear I (20), a bevel gear II (24) is arranged on the outer fixed sleeve of the cylinder I (15) and is positioned on one side of the bevel gear II (21), an auxiliary assembly is arranged on the outer portion of the connecting block (11), and cleaning assemblies are arranged on the inner wall of the top and the inner wall of the bottom of the fan frame II (2).

2. The heat dissipation fan for a host computer according to claim 1, wherein: the movable plate (14) is in sliding connection with the first circular ring (7), the middle part of the first rotary shaft (13) is square, the first rotary shaft (13) is connected with the connecting block (11) through a bearing, the second rotary shaft (18) is connected with the first circular ring (7) through a damping bearing, the third rotary shaft (19) is connected with the second circular ring (8) through a damping bearing, the first rotary plate (5) is fixedly connected with the third reinforcing rod (43) outside the second rotary plate (6), and the third reinforcing rods (43) are uniformly distributed in a circumferential shape.

3. The heat dissipation fan for a host computer according to claim 1, wherein: the inner wall of the first circular ring (7) is fixedly connected with two connecting blocks (25), the two connecting blocks (25) are respectively positioned at the top and the bottom of the first circular cylinder (15), the two connecting blocks (25) and the inner side of the second rotary plate (6) are fixedly connected with limiting rods (26), the two limiting rods (26) penetrate through the movable plate (14), and the movable plate (14) is in sliding connection with the limiting rods (26).

4. The heat dissipation fan for a host computer according to claim 1, wherein: the auxiliary assembly comprises a cylinder III (27), the cylinder III (27) is sleeved outside the connecting block (11) and is in sliding connection with the connecting block (11), the cylinder III (27) is connected to one side of a cylinder I (15) through a bearing, a circular ring III (28) is fixedly connected to the inside of a circular ring II (8), four arc grooves (29) are formed in the inner wall of the circular ring III (28) and are uniformly distributed in a circumferential shape, the other side of the cylinder III (27) extends into the inside of the circular ring III (28), four pushing blocks (30) are fixedly connected to the outside of the cylinder III (27), and the four pushing blocks (30) are respectively embedded into the inside of the four arc grooves (29) and are in sliding connection with the four arc grooves.

5. The heat dissipation fan for a host computer of claim 4, wherein: the cylinder III (27) is characterized in that a first sliding block (31) is fixedly connected to the inner wall of the top and the inner wall of the bottom, a first sliding groove is formed in the top and the bottom of the connecting block (11), the first sliding block (31) is embedded in the inner wall of the first sliding groove and is in sliding connection with the first sliding groove, and the circular ring III (28) is in contact with the first rotating plate (5) and is in sliding connection with the first rotating plate.

6. The heat dissipation fan for a host computer according to claim 1, wherein: the cleaning assembly comprises a first cavity, the first cavity is formed in the inner wall of the top of a second fan frame (2), two auxiliary blocks (32) are fixedly connected to the inner wall of the top of the second fan frame (2) and are distributed around a bearing seat, two auxiliary blocks (32) are connected with a fourth rotating shaft (33) on the inner side of the auxiliary blocks, a brush rod (34) and a first gear (35) are fixedly sleeved on the outer side of the fourth rotating shaft (33), bristles (36) are fixedly arranged at the bottom of the brush rod (34), the first gear (35) is located at the rear side of the brush rod (34) and the top of the first gear (35) extends into the first cavity, a toothed plate (37) is arranged in the first cavity, the first gear (35) is located at the bottom of the toothed plate (37) and meshed with the toothed plate (37), and the fourth rotating shaft (33) is connected with a placing plate through a damping bearing.

7. The heat dissipation fan for a host computer of claim 6, wherein: the electric cylinder comprises a toothed plate (37), and is characterized in that one side of the toothed plate (37) is fixedly connected with an electric cylinder II (38), one end of the electric cylinder II (38) is fixedly connected with one of the supporting rods (4), the top of the toothed plate (37) is fixedly connected with a T-shaped block (39), a T-shaped groove is formed in the top of the cavity I, and the T-shaped block (39) is embedded in the T-shaped groove and is in sliding connection with the T-shaped block.

8. The heat dissipation fan for a host computer according to claim 1, wherein: two sliding blocks II (40) are fixedly connected to one side of the first circular ring (7), a sliding groove II is formed in one side of the second circular ring (8), and the sliding blocks II (40) are embedded in the sliding groove II and are in sliding connection with the sliding groove II, and the sliding groove II is annular.

9. The heat dissipation fan for a host computer according to claim 1, wherein: the rotary plate is characterized in that two sliding blocks III (41) are fixedly connected to the other side of the circular ring II (8), a sliding groove III is formed in one side of the rotary plate I (5), the sliding blocks III (41) are embedded into the sliding groove III and are in sliding connection with the sliding groove III, and the sliding groove III is annular.

10. The heat dissipation fan for a host computer according to claim 1, wherein: the bottom of the fan frame I (1) is fixedly connected with a mounting plate (42).