CN217748439U

CN217748439U - Auxiliary device for overhauling computer

Info

Publication number: CN217748439U
Application number: CN202221624368.1U
Authority: CN
Inventors: 洪奕
Original assignee: Jingmen Yili Technology Co ltd
Current assignee: Jingmen Yili Technology Co ltd
Priority date: 2022-06-24
Filing date: 2022-06-24
Publication date: 2022-11-08
Anticipated expiration: 2032-06-24

Abstract

The utility model relates to the technical field of computer maintenance, in particular to an auxiliary device for computer maintenance, which seals and collects blown dust, does not affect the health of workers and protects the working environment of computer maintenance; comprises an air pipe and a nozzle; still include the deashing case, the chamber door, the deposition bucket, two L shaped plates, the hand wheel, the slider, spherical sliding sleeve and telescopic machanism, the chamber door rotates and articulates on the deashing case, the lower terminal surface at the deashing case is installed to the deposition bucket, two L shaped plates are located the deashing cavity of deashing case, an L shaped plate rotates with the lateral wall of deashing case to be connected, another L shaped plate rotates with telescopic machanism to be connected, telescopic machanism installs on another lateral wall of deashing case, slider slidable mounting is in the guide slot of deashing case, spherical sliding sleeve rotates with the slider to be connected, the middle part of tuber pipe and the sliding opening sliding connection of spherical sliding sleeve, the lower extreme of tuber pipe is provided with the nozzle, the nozzle is located the deashing cavity.

Description

Auxiliary device for overhauling computer

Technical Field

The utility model relates to a technical field that the computer overhauld especially relates to an auxiliary device for computer overhauls.

Background

Auxiliary devices for computer maintenance are widely used in the field of computer maintenance; the computer, namely the computer, needs to be overhauled after being used for a period of time, because of the requirement of heat dissipation of the operation of the computer, a plurality of fans can be installed in a host case of the computer and are provided with a large number of ventilation holes, air flows rapidly inside and outside the host case of the computer, and tiny dust is mixed in the air, so that a large amount of dust can be attached to elements in the host case of the computer, so that ash removal for the host case of the computer is a necessary working link in the overhauling work of the computer.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a seal and collect the dust that blows off, do not influence the staff healthy, protect the operational environment's that the computer overhauld an auxiliary device for computer overhauls.

The utility model relates to an auxiliary device for computer maintenance, which comprises an air pipe and a nozzle; the dust cleaning device comprises a dust cleaning box, a box door, a dust accumulation hopper, two L-shaped plates, a hand wheel, a sliding block, a spherical sliding sleeve and a telescopic mechanism, wherein a dust cleaning cavity is arranged inside the dust cleaning box, a taking and placing opening is formed in the front end face of the dust cleaning box, a dust outlet is formed in the lower end face of the dust cleaning box, the dust outlet and the taking and placing opening are communicated with the dust cleaning cavity, the box door is rotatably hinged to the taking and placing opening of the dust cleaning box, the dust accumulation hopper is installed on the lower end face of the dust cleaning box, the input end of the dust accumulation hopper is communicated with the dust outlet, the two L-shaped plates are located in the dust cleaning cavity of the dust cleaning box, the two L-shaped plates are oppositely arranged, one L-shaped plate is rotatably connected with the side wall of the dust cleaning box through a rotating shaft and a bearing seat, the hand wheel is installed at the outer end of the rotating shaft, the hand wheel is located outside the dust cleaning box, the other L-shaped plate is rotatably connected with the telescopic mechanism, the telescopic mechanism is installed on the other side wall of the dust cleaning box, a guide groove which faces left and right, the sliding block is slidably installed in the guide groove of the dust cleaning box, a spherical sliding groove is arranged in the middle of the sliding sleeve, a spherical sliding groove of the sliding sleeve, and a nozzle of the sliding sleeve, and a spherical sliding nozzle is arranged in the sliding groove; the input end of the air pipe is connected with an external high-pressure air supply system, the output end of the dust accumulation bucket is connected with a dust absorption pipe of an external dust collector, a telescopic mechanism is adjusted, a computer mainframe with a box cover removed is clamped on two L-shaped plates, the box door is closed, the air supply system is opened, the dust collector is opened, compressed air cannot be sprayed out through a nozzle when entering the air pipe, one hand of a worker controls a hand wheel to adjust the angle between the two L-shaped plates and the computer mainframe on the hand wheel, the other hand controls the upper portion of the air pipe to swing through pulling the air pipe, so that a spherical sliding sleeve rotates in a sliding block to adjust the blowing direction of the nozzle, the air pipe is lifted along the spherical sliding sleeve to adjust the distance between the nozzle and elements in the mainframe, the sliding block is moved along a guide groove of the dust collection box to enable the blowing range to cover the whole mainframe, blown large dust is sealed in a dust collection chamber of the dust collection box and is sucked away by the dust collector through the dust accumulation bucket, dust collection bucket, dust flying in a working space is avoided, dust pollution is avoided, the health of the worker is not influenced, and the working environment for maintaining the computer is protected.

Preferably, the device also comprises an annular brush, a certain angle is arranged between the nozzle and the air pipe, the annular brush is sleeved on the nozzle, and a large number of soft bristles are arranged on the annular brush; through setting up annular brush, the brush hair of annular brush surrounds the nozzle, avoids the direct component that collides with the computer of nozzle, carries out manual brush ash to the position that is unfavorable for the wind to blow through annular brush simultaneously, improves the effect of deashing.

Preferably, the cleaning brush also comprises two brush hair frames and a plurality of sealing brush hairs, the two brush hair frames are respectively arranged at two sides of the guide groove of the dust removing box, the two brush hair frames are respectively provided with the plurality of sealing brush hairs, the plurality of sealing brush hairs on the two brush hair frames are arranged in a relative contact manner, the plurality of sealing brush hairs are made of high-elastic materials, and the outer surface of the sliding block is in close contact with the plurality of sealing brush hairs; a plurality of sealed brush hairs on two brush hair frames carry out semi-closed with the guide slot of deashing case, avoid the dust to fly upward to the working space through the guide slot of deashing case, and a plurality of elastic sealed brush hairs make the slider can freely remove, improve equipment's leakproofness.

Preferably, the device also comprises an oil-water separator, a pressure gauge and a high-pressure hose, wherein the oil-water separator is arranged on the ash removal box, the pressure gauge and a pressure regulating valve are arranged on the oil-water separator, the output end of the oil-water separator is connected with the input end of the high-pressure hose, and the output end of the high-pressure hose is connected with the input end of the air pipe; the input and the external high-pressure air supply system of oil water separator are connected, during the during operation high-pressure air gets into oil water separator, oil water separator carries out oil water separation with high-pressure air, adjust the air-vent valve, and confirm the pressure of giving vent to anger through the manometer, make the atmospheric pressure of output stable and keep at suitable pressure, high-pressure air passes through the high-pressure hose and inputs in the tuber pipe and through the nozzle blowout, make the air that blows off anhydrous oilless, avoid causing the component damage of computer, improve the security of deashing work.

Preferably, the telescopic mechanism comprises a threaded sleeve, a threaded rod, a push plate, telescopic rods and springs, the threaded sleeve is mounted on the side wall of the ash removal box through a flange, threads are arranged on the inner wall of the threaded sleeve, the middle of the threaded rod is in rotary threaded connection with the threaded sleeve, the inner end of the threaded rod is in rotary connection with the push plate through a bearing, the push plate is connected with the L-shaped plate through the telescopic rods, the springs are respectively sleeved on the telescopic rods, and two ends of the springs are respectively connected with the push plate and the L-shaped plate; the threaded rod is rotated, threaded rod and threaded sleeve's screw-thread fit for the inner of threaded rod drives the push pedal and inwards or outwards removes, and then drives the L shaped plate through a plurality of telescopic links and a plurality of spring and is close to or keeps away from another L shaped plate, and then makes the computer mainframe that equipment can the different specifications of centre gripping, when the mainframe centre gripping was on two L shaped plates, the spring action of a plurality of springs promoted the L shaped plate and presss from both sides the mainframe tightly, improve equipment's commonality.

Preferably, the dust removing box further comprises a transparent plate, a handle and two air springs, the lower end of the box door is rotatably hinged with the lower end of the front end face of the dust removing box, an observation window is arranged in the middle of the box door, the transparent plate is mounted on the observation window, the handle is arranged on the box door, and two ends of the two air springs are respectively rotatably connected with the left outer wall and the right outer wall of the dust removing box and the left outer wall and the right outer wall of the box door; the door is opened and closed conveniently through the handle, and the deashing condition is conveniently observed through the transparent plate, and through installing two air springs, when the door is opened, screw rod air spring carries on spacingly to the angle of opening of door, and when the door was closed, the pulling force of two air springs was taut the door on the mouth is put in getting of deashing case, improves the leakproofness between door and the deashing case.

Compared with the prior art, the beneficial effects of the utility model are that: the input end of the air pipe is connected with an external high-pressure air supply system, the output end of the dust accumulation hopper is connected with a dust collection pipe of an external dust collector, a telescopic mechanism is adjusted, a computer mainframe box with a box cover removed is clamped on two L-shaped plates, the box door is closed, the air supply system is opened, the dust collector is opened, compressed air cannot enter the air pipe and can not be sprayed out through a nozzle, a worker controls a hand wheel by one hand to adjust the angle of the two L-shaped plates and the computer mainframe box on the hand wheel, the other hand controls the upper part of the air pipe to swing by pulling the air pipe, so that a spherical sliding sleeve rotates in a sliding block to adjust the blowing direction of the nozzle, the air pipe is lifted along the spherical sliding sleeve to adjust the distance between the nozzle and elements in the mainframe box, the sliding block is moved along a guide groove of the dust collection box to enable the blowing range to cover the whole mainframe box, blown large dust is sealed in an ash collection chamber of the ash collection box and is sucked away by the dust collector through the dust accumulation hopper, the dust collection hopper, dust collection hopper is avoided flying in a working space, dust collection environment is protected, the health of the worker is not influenced, and the maintenance of the computer.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a schematic view of the axial measurement structure of the present invention;

fig. 3 is a schematic structural view illustrating an opened state of the door of the present invention;

FIG. 4 is an exploded view of the slider, the sliding sleeve, the duct, the nozzle, and the annular brush;

FIG. 5 is a schematic view of a half-section of the telescoping mechanism;

in the drawings, the reference numbers: 1. a dust removal box; 2. a box door; 3. an ash accumulation hopper; 4. an L-shaped plate; 5. a hand wheel; 6. a slider; 7. a spherical sliding sleeve; 8. an air duct; 9. a nozzle; 10. an annular brush; 11. a bristle frame; 12. sealing the bristles; 13. an oil-water separator; 14. a pressure gauge; 15. a high pressure hose; 16. a threaded bushing; 17. a threaded rod; 18. pushing the plate; 19. a telescopic rod; 20. a spring; 21. a transparent plate; 22. a handle; 23. an air spring.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The invention may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Example 1

An auxiliary device for computer maintenance comprises an air pipe 8 and a nozzle 9; the dust cleaning device comprises a dust cleaning box 1, a box door 2, a dust collecting hopper 3, two L-shaped plates 4, a hand wheel 5, a sliding block 6, a spherical sliding sleeve 7 and a telescopic mechanism, wherein a dust cleaning cavity is arranged inside the dust cleaning box 1, a taking and placing port is formed in the front end face of the dust cleaning box 1, a dust outlet is formed in the lower end face of the dust cleaning box 1, the dust outlet and the taking and placing port are communicated with the dust cleaning cavity, the box door 2 is rotatably hinged to the taking and placing port of the dust cleaning box 1, the dust collecting hopper 3 is arranged on the lower end face of the dust cleaning box 1, the input end of the dust collecting hopper 3 is communicated with the dust outlet, the two L-shaped plates 4 are positioned in the dust cleaning cavity of the dust cleaning box 1, the two L-shaped plates 4 are oppositely arranged, one L-shaped plate 4 is rotatably connected with the side wall of the dust cleaning box 1 through a rotating shaft and a bearing seat, the hand wheel 5 is arranged at the outer end of the rotating shaft, the hand wheel 5 is positioned outside the dust cleaning box 1, the other L-shaped plate 4 is rotatably connected with the telescopic mechanism, the telescopic mechanism is arranged on the other side wall of the dust cleaning box 1, a guide groove is provided with the spherical sliding sleeve 7, the sliding block, the sliding sleeve 7 is arranged in the middle of the sliding sleeve, and a nozzle of the sliding sleeve 8, and a nozzle of the sliding sleeve, the sliding sleeve 7 is arranged in the sliding sleeve, and a sliding sleeve, the sliding sleeve, and a nozzle of the sliding sleeve 7 is arranged in the sliding sleeve, the sliding sleeve 7; the input end of the air pipe 8 is connected with an external high-pressure air supply system, the output end of the dust hopper 3 is connected with a dust absorption pipe of an external dust collector, a telescopic mechanism is adjusted, a computer mainframe box with a box cover removed is clamped on the two L-shaped plates 4, the box door 2 is closed, the air supply system is opened, the dust collector is opened, compressed air enters the air pipe 8 and cannot be sprayed out through the nozzle 9, one hand of a worker controls the hand wheel 5 to adjust the angles of the two L-shaped plates 4 and the computer mainframe box thereon, the other hand controls the upper part of the air pipe 8 to swing through pulling the air pipe 8, so that the spherical sliding sleeve 7 rotates in the sliding block 6 to adjust the blowing direction of the nozzle 9, the air pipe 8 is lifted along the spherical sliding sleeve 7 to adjust the distance between the nozzle 9 and elements in the mainframe box, the sliding block 6 is moved along a guide groove of the dust cleaning box 1 to enable the blowing range to cover the whole mainframe box, blown large dust is sealed in a cavity of the dust cleaning box 1, and sucked away by the dust hopper 3 through lifting the dust hopper, dust hopper is avoided dust flying in a working space, dust pollution is avoided, the working environment for overhauling of the computer is not influenced, and the working environment for overhauling of the computer is protected.

Example 2

An auxiliary device for computer maintenance comprises an air pipe 8 and a nozzle 9; the dust cleaning device comprises a dust cleaning box 1, a box door 2, a dust collecting hopper 3, two L-shaped plates 4, a hand wheel 5, a sliding block 6, a spherical sliding sleeve 7 and a telescopic mechanism, wherein a dust cleaning cavity is arranged inside the dust cleaning box 1, a taking and placing port is formed in the front end face of the dust cleaning box 1, a dust outlet is formed in the lower end face of the dust cleaning box 1, the dust outlet and the taking and placing port are communicated with the dust cleaning cavity, the box door 2 is rotatably hinged to the taking and placing port of the dust cleaning box 1, the dust collecting hopper 3 is arranged on the lower end face of the dust cleaning box 1, the input end of the dust collecting hopper 3 is communicated with the dust outlet, the two L-shaped plates 4 are positioned in the dust cleaning cavity of the dust cleaning box 1, the two L-shaped plates 4 are oppositely arranged, one L-shaped plate 4 is rotatably connected with the side wall of the dust cleaning box 1 through a rotating shaft and a bearing seat, the hand wheel 5 is arranged at the outer end of the rotating shaft, the hand wheel 5 is positioned outside the dust cleaning box 1, the other L-shaped plate 4 is rotatably connected with the telescopic mechanism, the telescopic mechanism is arranged on the other side wall of the dust cleaning box 1, a guide groove is provided with the spherical sliding sleeve 7, the sliding block, the sliding sleeve 7 is arranged in the middle of the sliding sleeve, and a nozzle of the sliding sleeve 8, and a nozzle of the sliding sleeve, the sliding sleeve 7 is arranged in the sliding sleeve, and a sliding sleeve, the sliding sleeve, and a nozzle of the sliding sleeve 7 is arranged in the sliding sleeve, the sliding sleeve 7; the device also comprises an annular brush 10, a certain angle is arranged between the nozzle 9 and the air pipe 8, the annular brush 10 is sleeved on the nozzle 9, and a large number of soft bristles are arranged on the annular brush 10; the cleaning brush also comprises two brush hair frames 11 and a plurality of seal brush hairs 12, wherein the two brush hair frames 11 are respectively arranged at two sides of the guide groove of the dust cleaning box 1, the two brush hair frames 11 are respectively provided with the plurality of seal brush hairs 12, the plurality of seal brush hairs 12 on the two brush hair frames 11 are arranged in a relative contact way, the plurality of seal brush hairs 12 are made of high-elastic materials, and the outer surface of the sliding block 6 is tightly contacted with the plurality of seal brush hairs 12; the automatic dust removing device is characterized by further comprising an oil-water separator 13, a pressure gauge 14 and a high-pressure hose 15, wherein the oil-water separator 13 is installed on the dust removing box 1, the pressure gauge 14 and a pressure regulating valve are arranged on the oil-water separator 13, the output end of the oil-water separator 13 is connected with the input end of the high-pressure hose 15, and the output end of the high-pressure hose 15 is connected with the input end of the air pipe 8; the input with oil water separator 13 is connected with external high-pressure air supply system, during operation highly-compressed air gets into oil water separator 13, oil water separator 13 carries out oil water separation with highly-compressed air, make the air that blows off anhydrous oil-free, a plurality of sealed brush hair 12 on two brush hair frames 11 carry out semi-closed with the guide slot of deashing case 1, avoid the dust to fly up to the working space through the guide slot of deashing case 1, elastic a plurality of sealed brush hair 12 make slider 6 can freely move, adjust the air-vent valve, and confirm the pressure of giving vent to anger through manometer 14, make the atmospheric pressure of output stable and keep at suitable pressure, deashing during operation highly-compressed air passes through high-pressure hose 15 and inputs in tuber pipe 8 and spout through nozzle 9, the brush hair of annular brush 10 surrounds nozzle 9, avoid nozzle 9 directly colliding with the component of computer, the position that is unfavorable for simultaneously blowing carries out manual brush ash through annular brush 10.

Example 3

An auxiliary device for computer maintenance comprises an air pipe 8 and a nozzle 9; the dust cleaning device comprises a dust cleaning box 1, a box door 2, a dust collecting hopper 3, two L-shaped plates 4, a hand wheel 5, a sliding block 6, a spherical sliding sleeve 7 and a telescopic mechanism, wherein a dust cleaning cavity is arranged inside the dust cleaning box 1, a taking and placing port is formed in the front end face of the dust cleaning box 1, a dust outlet is formed in the lower end face of the dust cleaning box 1, the dust outlet and the taking and placing port are communicated with the dust cleaning cavity, the box door 2 is rotatably hinged to the taking and placing port of the dust cleaning box 1, the dust collecting hopper 3 is arranged on the lower end face of the dust cleaning box 1, the input end of the dust collecting hopper 3 is communicated with the dust outlet, the two L-shaped plates 4 are positioned in the dust cleaning cavity of the dust cleaning box 1, the two L-shaped plates 4 are oppositely arranged, one L-shaped plate 4 is rotatably connected with the side wall of the dust cleaning box 1 through a rotating shaft and a bearing seat, the hand wheel 5 is arranged at the outer end of the rotating shaft, the hand wheel 5 is positioned outside the dust cleaning box 1, the other L-shaped plate 4 is rotatably connected with the telescopic mechanism, the telescopic mechanism is arranged on the other side wall of the dust cleaning box 1, a guide groove is provided with the spherical sliding sleeve 7, the sliding block, the sliding sleeve 7 is arranged in the middle of the sliding sleeve, and a nozzle of the sliding sleeve 8, and a nozzle of the sliding sleeve, the sliding sleeve 7 is arranged in the sliding sleeve, and a sliding sleeve, the sliding sleeve, and a nozzle of the sliding sleeve 7 is arranged in the sliding sleeve, the sliding sleeve 7; the telescopic mechanism comprises a threaded sleeve 16, a threaded rod 17, a push plate 18, telescopic rods 19 and springs 20, the threaded sleeve 16 is mounted on the side wall of the dust box 1 through a flange, threads are arranged on the inner wall of the threaded sleeve 16, the middle part of the threaded rod 17 is in rotary threaded connection with the threaded sleeve 16, the inner end of the threaded rod 17 is in rotary connection with the push plate 18 through a bearing, the push plate 18 is connected with the L-shaped plate 4 through the telescopic rods 19, the springs 20 are respectively sleeved on the telescopic rods 19, and two ends of the springs 20 are respectively connected with the push plate 18 and the L-shaped plate 4; before the dust cleaning work begins, according to the big or small specification of mainframe box, the threaded rod 17 rotates, threaded rod 17 and threaded sleeve 16's screw-thread fit, make the inner of threaded rod 17 drive push pedal 18 inwards or outwards remove, and then drive L shaped plate 4 through a plurality of telescopic links 19 and a plurality of spring 20 and be close to or keep away from another L shaped plate 4, and then make the computer mainframe box of equipment can the different specifications of centre gripping, when placing the mainframe box on two L shaped plates 4, the spring action of a plurality of springs 20 promotes L shaped plate 4 and presss from both sides the mainframe box tightly.

As shown in fig. 1 to 5, the utility model discloses an auxiliary device for computer maintenance, it is at the during operation, at first rotate threaded rod 17, make the inner of threaded rod 17 drive push pedal 18 inwards or outwards remove, and then drive L shaped plate 4 through a plurality of telescopic links 19 and a plurality of spring 20 and be close to or keep away from another L shaped plate 4, the computer mainframe centre gripping that will tear the case lid off is on two L shaped plates 4, later close chamber door 2, adjust the air-vent valve, and confirm the pressure of giving vent to anger through manometer 14, open the dust catcher, compressed air gets into tuber pipe 8 and can not spout through nozzle 9, then staff one hand control hand control hand wheel 5 is with the angle of adjusting two L shaped plates 4 and its last computer mainframe, another hand control upper portion of tuber pipe 8 is through pulling the swing of tuber pipe 8, make spherical sliding sleeve 7 rotate in slider 6 with the direction of blowing of adjusting nozzle 9, lift tuber pipe 8 along spherical sliding sleeve 7 with the distance of adjusting nozzle 9 and host computer mainframe component, it covers whole mainframe to move slider 6 along the guide slot of dust catcher 1 so that the scope of blowing range covers, the big dust is closed in dust removal case 1 at last, can be walked dust catcher through the deashing dust removal chamber 3.

The utility model discloses the main function who realizes does: the blown dust is sealed and collected, the health of workers is not influenced, and the working environment for overhauling the computer is protected.

The utility model discloses an auxiliary device for computer maintenance, the installation mode, connection mode or setting mode are common mechanical modes, and the auxiliary device can be implemented as long as the beneficial effects can be achieved; the utility model discloses an deashing case 1, chamber door 2, hand wheel 5, slider 6, spherical sliding sleeve 7, tuber pipe 8, nozzle 9, high-pressure hose 15, oil water separator 13, manometer 14, threaded sleeve 16, threaded rod 17, telescopic link 19, spring 20, air spring 23, transparent plate 21, annular brush 10 for the market purchase of auxiliary device for the computer overhauls, this industry technical staff only need according to its subsidiary operating specification install and operate can, and need not the technical staff in the field and pay out creative work.

All technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. An auxiliary device for computer maintenance comprises an air pipe (8) and a nozzle (9); the dust removing box is characterized by further comprising a dust removing box (1), a box door (2), a dust collecting hopper (3), two L-shaped plates (4), a hand wheel (5), a sliding block (6), a spherical sliding sleeve (7) and a telescopic mechanism, wherein a dust removing cavity is arranged inside the dust removing box (1), a taking and placing opening is formed in the front end surface of the dust removing box (1), a dust outlet is formed in the lower end surface of the dust removing box (1), the dust outlet and the taking and placing opening are communicated with the dust removing cavity, the box door (2) is rotatably hinged to the taking and placing opening of the dust removing box (1), the dust collecting hopper (3) is arranged on the lower end surface of the dust removing box (1), the input end of the dust collecting hopper (3) is communicated with the dust outlet, the two L-shaped plates (4) are arranged in the dust removing cavity of the dust removing box (1), the two L-shaped plates (4) are arranged oppositely, one L-shaped plate (4) is rotatably connected with the side wall of the dust removing box (1) through a rotating shaft and a bearing seat, the hand wheel (5) is arranged at the outer end of the rotating shaft, the sliding sleeve (4) is arranged on the sliding groove of the spherical sliding sleeve (6), the sliding mechanism, the sliding sleeve (6), the sliding block (6) is arranged in the middle of the sliding groove of the sliding sleeve, the sliding mechanism, the sliding sleeve (1), the sliding block (6), the spherical sliding sleeve (7) is provided with a sliding hole, a spherical sliding block of the spherical sliding sleeve (7) is rotationally connected with a spherical sliding groove of the sliding block (6), the middle part of the air pipe (8) is slidably connected with the sliding hole of the spherical sliding sleeve (7), the lower end of the air pipe (8) is provided with a nozzle (9), and the nozzle (9) is positioned in the dust cleaning chamber.

2. An auxiliary device for computer maintenance according to claim 1, further comprising an annular brush (10), wherein an angle is provided between the nozzle (9) and the air duct (8), the annular brush (10) is sleeved on the nozzle (9), and a large number of soft bristles are provided on the annular brush (10).

3. The auxiliary device for computer maintenance according to claim 1, further comprising two bristle frames (11) and a plurality of seal bristles (12), wherein the two bristle frames (11) are respectively installed at two sides of the guide groove of the dust removing box (1), the plurality of seal bristles (12) are respectively arranged on the two bristle frames (11), the plurality of seal bristles (12) on the two bristle frames (11) are arranged in a relative contact manner, the plurality of seal bristles (12) are made of high-elastic materials, and the outer surface of the sliding block (6) is in close contact with the plurality of seal bristles (12).

4. The auxiliary device for computer maintenance according to claim 1, further comprising an oil-water separator (13), a pressure gauge (14) and a high pressure hose (15), wherein the oil-water separator (13) is installed on the ash removal tank (1), the pressure gauge (14) and a pressure regulating valve are arranged on the oil-water separator (13), the output end of the oil-water separator (13) is connected with the input end of the high pressure hose (15), and the output end of the high pressure hose (15) is connected with the input end of the air pipe (8).

5. The auxiliary device for computer maintenance according to claim 1, wherein the telescoping mechanism comprises a threaded sleeve (16), a threaded rod (17), a push plate (18), a telescopic rod (19) and a spring (20), the threaded sleeve (16) is mounted on the side wall of the dust removing box (1) through a flange, threads are arranged on the inner wall of the threaded sleeve (16), the middle of the threaded rod (17) is rotatably screwed with the threaded sleeve (16), the inner end of the threaded rod (17) is rotatably connected with the push plate (18) through a bearing, the push plate (18) is connected with the L-shaped plate (4) through the telescopic rods (19), the springs (20) are respectively sleeved on the telescopic rods (19), and two ends of the springs (20) are respectively connected with the push plate (18) and the L-shaped plate (4).

6. The auxiliary device for computer maintenance according to claim 1, further comprising a transparent plate (21), a handle (22) and two air springs (23), wherein the lower end of the box door (2) is rotatably hinged with the lower end of the front end face of the ash removal box (1), an observation window is arranged in the middle of the box door (2), the transparent plate (21) is mounted on the observation window, the handle (22) is arranged on the box door (2), and two ends of the two air springs (23) are rotatably connected with the left and right outer walls of the ash removal box (1) and the left and right outer walls of the box door (2) respectively.