CN112704325B

CN112704325B - Automatic dust-proof ash-removing cabinet for history teaching computer

Info

Publication number: CN112704325B
Application number: CN202110002083.8A
Authority: CN
Inventors: 张丽
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-04
Filing date: 2021-01-04
Publication date: 2021-11-19
Anticipated expiration: 2041-01-04
Also published as: CN112704325A

Abstract

The invention discloses an automatic dust-cleaning and dust-preventing cabinet for a history teaching computer, which comprises an installation mechanism, an air inlet mechanism, a cleaning mechanism and an air draft mechanism, wherein the installation mechanism is arranged on the cabinet; the air inlet mechanism is arranged inside the mounting mechanism, the cleaning mechanism is communicated with the air inlet mechanism through fluid, and the air exhaust mechanism is fixedly mounted inside the mounting mechanism; according to the invention, through arranging the threaded rod, the two buttons and the air draft mechanism, the dust on the surface of the computer host can be automatically cleaned basically; by arranging the second motor and the mounting base, dust on the main machine can be comprehensively cleaned; by arranging the air inlet mechanism, the air flow sucked into the mainframe box can be ensured to have no dust, no moisture and cold air; by arranging the sealing plate and the sealing sheet, workers can easily replace the filter cotton and the drying agent in the dust removal box and the dehumidification box; through setting up installation mechanism and three sound-proof box, can play the effect of isolated noise.

Description

Automatic dust-proof ash-removing cabinet for history teaching computer

Technical Field

The invention relates to the technical field of computer cabinets. In particular to an automatic dust-cleaning and dust-preventing cabinet for a history teaching computer.

Background

The computer is commonly called as a computer, which is a modern electronic computer used for high-speed calculation, a computer host is the most important component in the computer, a large number of circuit boards and a plurality of electrical components are arranged in the computer host, after the computer host is used for a period of time, the circuit boards and the electrical components are stained with dust, the existing dust cleaning method is generally that after the computer host is used for a period of time, the computer host is disassembled and is manually cleaned by a cleaning tool, however, the cleaning mode is not only troublesome, but also is not thorough, the computer host applied to teaching is difficult to clean, the computer host is distributed in each classroom, does not belong to personal property, students or teachers are difficult to think of cleaning the computer host, and if the computer host is not cleared by professionals, the computer host is easy to damage, so the computer host used for teaching is required to be cleaned, there are great difficulties.

Disclosure of Invention

Therefore, the technical problem to be solved by the invention is to provide the automatic dust-cleaning and dust-preventing cabinet for the history teaching computer, which can automatically clean dust and prevent dust.

In order to solve the technical problems, the invention provides the following technical scheme: the automatic dust cleaning and preventing cabinet for the history teaching computer comprises an installation mechanism, an air inlet mechanism, a cleaning mechanism and an air draft mechanism;

the air inlet mechanism is arranged inside the mounting mechanism, the cleaning mechanism is communicated with the air inlet mechanism through fluid, and the air draft mechanism is fixedly mounted inside the mounting mechanism.

The automatic dust and ash removing cabinet for the history teaching computer comprises a teacher's desk, a placing cabinet, a partition plate, a mainframe box, an air outlet box, a placing box, a shock pad and a desktop, wherein the teacher's desk is provided with a teacher's desk top;

the integral shell of the device is a teaching teacher's desk, a placing desk is integrally connected to one side of the teacher's desk, the teacher's desk and the placing desk are both made of sound insulation materials, the height of the placing desk is the same as that of a main body of the teacher's desk, the placing desk and the teacher's desk are located on the same horizontal plane, and a placing cabinet is fixedly installed inside the placing desk;

the interior of the teacher desk is divided into a main case and an air outlet case by a partition plate, a placing case is arranged at the top of the teacher desk, and the top of the placing case is a desktop; the lectern has a plurality of shock pads with the equal fixed mounting in bottom of placing the table, the shock pad is fixed mounting respectively in the four corners position of lectern with place the table bottom, the preferred high-elastic rubber that adopts of material of shock pad.

The automatic dust-cleaning and dust-preventing cabinet for the history teaching computer is characterized in that the air inlet mechanism comprises an air inlet hole, a filter screen, a first connecting pipe, a dust-removing box, filter cotton, a second connecting pipe, a dehumidifying box, a drying agent, a third connecting pipe, a cooling box, a cooling fin, a fourth connecting pipe, a powerful fan, a first sound-insulating box, a first air outlet pipe, a hinge, a sealing plate, a sealing sheet and a locking block;

an air inlet hole is formed in the top of one side, far away from the teacher's desk, of the placing desk, and a filter screen is arranged inside the air inlet hole; a first connecting pipe is fixedly installed on one side inside the placing table, the diameter of the first connecting pipe is equal to that of the air inlet hole, and the first connecting pipe corresponds to the position of the air inlet hole;

the other end of the first connecting pipe is fixedly provided with a dust removal box, the top of the dust removal box is arranged in a through manner, and detachable filter cotton is arranged in the dust removal box; a second connecting pipe is fixedly arranged on the other side of the dust removing box, a dehumidifying box is fixedly arranged at the other end of the second connecting pipe, the top of the dehumidifying box is arranged in a through manner, and a detachable drying agent is arranged in the dehumidifying box; a third connecting pipe is fixedly installed on the other side of the dehumidification box, the other end of the third connecting pipe is communicated with the cooling box in a fluid mode, the cooling box is fixedly installed on the upper surface of the interior of the placing table, and cooling fins are integrally installed inside the cooling box;

a fourth connecting pipe is fixedly arranged on the other side of the cooling box and is bent; the strong fan is fixedly arranged at the top of the placing cabinet and is in fluid communication with the fourth connecting pipe, the first sound insulation box is fixedly arranged at the top of the placing cabinet and completely wraps the strong fan, and through holes with the same diameter as the fourth connecting pipe and the first air outlet pipe are formed in the top and one side of the first sound insulation box; the first air outlet pipe is fixedly arranged on one side of the powerful fan and protrudes out of the through hole on one side of the first sound insulation box;

the top plate of the placing table is divided into two parts, the left side top plate is integrally connected with the placing table, the right side sealing plate is hinged with the left side top plate through a hinge, a sealing sheet is fixedly arranged at the bottom of the sealing plate and made of rubber, and the bottom of the sealing sheet is tightly connected with the tops of the dust removing box and the dehumidifying box; one side of the placing table far away from the teacher's desk is fixedly provided with a locking block at the joint of the sealing plate.

The automatic dust-cleaning and dust-preventing cabinet for the history teaching computer comprises a hose, a rotating shaft groove, a threaded rod, a first gear, a threaded sleeve, a sliding rail, a sliding block, a second sound-insulating box, a rubber block, a first motor, a second gear, a first connecting block, a first button, a first spring, a first limiting ring, a connecting rod, a second connecting block, a second button, a second spring, a second limiting ring, a second motor, a ball, a mounting base and a host;

the hose is connected with the first air outlet pipe through a through hole in one side of the teacher desk; the rotating shaft grooves are fixedly arranged on the upper surface and the lower surface of the inner part of the teacher's desk, the two rotating shaft grooves are symmetrically arranged, threaded rods are rotatably arranged in the two rotating shaft grooves, first gears are fixedly arranged on the outer surfaces of the threaded rods, and the first gears are table-shaped gears;

the outer surface of the threaded rod is provided with a threaded sleeve in a threaded manner; the front and back surfaces of the teacher's desk are fixedly provided with slide rails, the two slide rails are symmetrically arranged, a slide block is slidably arranged in each slide rail, one side of each slide block is fixedly connected with a threaded sleeve, and the inner part of each slide block and one side corresponding to the main machine are provided with a vent hole which is communicated with a hose in a fluid manner;

a second sound insulation box is fixedly arranged on the lower surface inside the teacher desk, a first motor is arranged inside the second sound insulation box, and the top and the bottom of the first motor are both fixed inside the second sound insulation box through rubber blocks; the output end of the second motor is fixedly provided with a second gear, and the second gear is in a table shape and is meshed with the first gear;

a first connecting block is fixedly mounted on one side, close to the threaded rod, of the second sound insulation box, a first button is arranged on the upper surface of the first connecting block, a first spring is fixedly mounted on the upper surface of the first button, and the first spring is located right below the sliding block; the upper surface of the first connecting block is fixedly provided with a first limiting ring, the first button and the first spring are positioned inside the first limiting ring, and the top end of the first limiting ring is lower than the top end of the first spring; a connecting rod is fixedly arranged on the upper surface inside the teacher desk, a second connecting block is fixedly arranged at the bottom end of the connecting rod, the second connecting block and the first connecting block are coaxially arranged, a second button is arranged on the lower surface of the second connecting block, a second spring is fixedly arranged on the lower surface of the second button, a second limiting ring is fixedly arranged on the lower surface of the second connecting block, and the bottom end of the second limiting ring is higher than the bottom end of the second spring;

a second motor is arranged in the second sound insulation box, and the top and the bottom of the second motor are both fixedly arranged in the second sound insulation box through rubber blocks; the output end of the second motor penetrates through the top of the second sound insulation box and is fixedly connected with the mounting base, rolling grooves are formed in the upper surface of the second sound insulation box and the lower surface of the mounting base, the positions of the two rolling grooves correspond to each other, and balls are arranged inside the rolling grooves in a rolling manner; and the upper surface of the mounting base is fixedly provided with a host.

The automatic dust and ash removing cabinet for the history teaching computer comprises an air draft mechanism, a fan, a processing box, an active carbon plate, a first air outlet pipe, a first sound insulation box, an air outlet, a first filter screen, a first motor, a belt and a support ring, wherein the air draft mechanism comprises an air draft hood, a vent hole, an air draft pipe, an air draft fan, the processing box, the active carbon plate, the first air outlet pipe, the second sound insulation box, the air outlet, the second filter screen, the third motor, the belt and the support ring;

an air suction cover is fixedly installed on one side, located on the air outlet box, of the partition plate, an air vent is formed in the partition plate in a penetrating mode, and the size, shape and position of the air vent correspond to those of an air inlet of the air suction cover; an exhaust pipe is fixedly installed at one end, far away from the partition plate, of the air suction hood, a support column is vertically and fixedly installed in the exhaust pipe, and an exhaust fan is fixedly installed at one side, corresponding to the partition plate, of the support column; a processing box is fixedly installed at the air outlet end of the exhaust pipe, and an activated carbon plate is arranged in the processing box; a second air outlet pipe is fixedly arranged at the air outlet of the treatment box;

an air outlet is formed in the bottom of the left side of the teacher desk, a second filter screen is fixedly mounted inside the air outlet, a third sound insulation box is fixedly mounted inside the air outlet box and is communicated with the air outlet in a fluid mode, and the third sound insulation box is communicated with the processing box in a fluid mode through a second air outlet pipe;

a third motor is arranged in the second sound insulation box, and the top and the bottom of the third motor are both fixedly arranged in the second sound insulation box through rubber blocks; a support ring is fixedly arranged on one side of the third sound insulation box corresponding to the third motor, the support ring corresponds to the output end of the third motor, and the output end of the third motor penetrates through the left side wall of the second sound insulation box and is inserted into the support ring; the exhaust fan is fixedly provided with rollers, the output end of the third motor is also fixedly provided with rollers, and the two rollers are positioned on the same axis; the two rollers are linked through belt transmission.

The technical scheme of the invention achieves the following beneficial technical effects:

1. according to the invention, through arranging the threaded rod, the two buttons and the air draft mechanism, the dust on the surface of the computer host can be automatically cleaned basically; the main machine is arranged on an installation base in the main machine box, when a strong fan pumps wind into the sliding block through the hose, the first motor also operates simultaneously, the threaded rod can be driven to rotate through the meshing rotation of the two platform-shaped gears, the threaded rod drives the threaded sleeve to move up and down, the threaded sleeve drives the sliding block to move in the sliding rail, when the sliding block moves downwards and hits against the first spring, the first spring can press the first button, the first motor can rotate reversely, the threaded rod can be driven to rotate reversely, the sliding block is driven to operate upwards, when the sliding block hits against the second spring, the second spring can press the second button, the first motor can rotate forwards and further drive the threaded rod to rotate forwards, the sliding block moves downwards, the two springs play a buffering role and play a protection role for the buttons, the two limiting rings can fix the two springs to prevent the springs from inclining, through the up-and-down movement of the sliding block, the dust on the main machine can be cleaned by the air blown out from the sliding block; there are two through-holes that only supply the belt to pass on the exhaust column, and the third motor rotates, can drive the extraction fan through the belt and rotate, and through the ventilation hole on the baffle, can be from the dust suction that drops on the host computer handle the incasement, and the air current after absorbing through the active carbon board can get into the third sound-proof box and discharge through the air outlet again.

2. According to the invention, by arranging the second motor and the mounting base, dust on the host can be comprehensively cleaned; when installing the host computer on the installation base, the connecting wire length of reserving in the mainframe box will be enough to support the host computer and rotate, when the slider reciprocated, the second motor can drive the installation base and rotate, the ball can roll in the rolling groove of installation base lower surface and second sound-proof box upper surface, with this balance of guaranteeing the installation base, the second motor is the motor that just reverses, drive the installation base at the second motor and just pass one hundred eighty degrees after, can reverse one hundred eighty degrees, with this circulation rotation, can make the air current that blows out in the slider clear up the host computer comprehensively.

3. According to the invention, the air inlet mechanism is arranged, so that the air flow sucked into the mainframe box is free of dust, damp and cold air; through powerful fan's attraction, place the outside air current of table and can get into the dust removal case through the fresh air inlet, when the filter screen, great granule can be filtered in the air current, get into the dust removal incasement back at the air current, the filter pulp of dust removal incasement can filter remaining dust in the air current, then the air current gets into the dehumidification case, the drier of dehumidification incasement can carry out the drying to the air current, then the air current gets into the cooler bin, the air current can be cooled off behind the cooling fin, through above process, can guarantee to get into the clean and dry air current of mainframe box, and can play the effect of cooling down to the host computer.

4. According to the invention, by arranging the sealing plate and the sealing sheet, workers can easily replace the filter cotton and the drying agent in the dust removal box and the dehumidification box.

5. According to the invention, the installation mechanism and the three sound insulation boxes are arranged, so that the effect of isolating noise can be achieved; the whole material that gives sound insulation of lectern can completely cut off some noise wherein, and three sound-proof box, with wherein great fan of noise and motor all wrap up wherein, the produced noise of isolated operation that can be fine can not influence normal class because of the noise that produces when inside is cleared up.

6. According to the invention, the main machine and the dust removal mechanism are arranged inside the teacher desk, so that the effect of saving space is achieved.

Drawings

FIG. 1 is a schematic view of the cleaning mechanism and air draft mechanism of the present invention;

FIG. 2 is a schematic view of the air intake mechanism of the present invention;

FIG. 3 is a schematic top view of the slider of the present invention;

FIG. 4 is an enlarged schematic view of the structure of FIG. 1 according to the present invention.

The reference numbers in the figures denote: 100-a mounting mechanism; 200-an air inlet mechanism; 300-a cleaning mechanism; 400-an air draft mechanism; 101-a teacher desk; 102-a placement table; 103-a placement cabinet; 104-a separator; 105-a main chassis; 106-an air outlet box; 107-placing a box; 108-a shock pad; 109-a desktop; 201-air inlet holes; 202-a filter screen; 203-a first connection pipe; 204-a dust removal box; 205-filter cotton; 206-a second connecting tube; 207-dehumidification box; 208-a desiccant; 209-third connecting pipe; 210-a cooling tank; 211-cooling fins; 212-a fourth connecting tube; 213-strong fan; 214-a first sound isolation box; 215-a first air outlet pipe; 216-hinge; 217-sealing plate; 218-sealing sheet; 219-a locking block; 301-a hose; 302-a spindle slot; 303-threaded rod; 304-a first gear; 305-a thread insert; 306-a slide rail; 307-a slide block; 308-a second sound isolation box; 309-rubber block; 310-a first motor; 311-a second gear; 312 — a first connection block; 313-a first button; 314-a first spring; 315 — a first stop collar; 316-connecting rod; 317-a second connecting block; 318-second button; 319-second spring; 320-a second stop collar; 321-a second motor; 322-a ball bearing; 323-mounting a base; 324-a host; 401-air suction hood; 402-a vent; 403-an exhaust pipe; 404-an exhaust fan; 405-a treatment tank; 406-activated carbon plate; 407-a second air outlet pipe; 408-a third sound-proof box; 409-air outlet; 410-a second screen; 411-a third motor; 412-a belt; 413-support ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The automatic dust-cleaning and dust-preventing cabinet for the history teaching computer comprises an installation mechanism 100, an air inlet mechanism 200, a cleaning mechanism 300 and an air draft mechanism 400; the air intake mechanism 200 is arranged inside the installation mechanism 100, the cleaning mechanism 300 is in fluid communication with the air intake mechanism 200, and the air exhaust mechanism 400 is fixedly arranged inside the installation mechanism 100.

As shown in fig. 1-2, the installation mechanism 100 includes a lectern 101, a placing desk 102, a placing cabinet 103, a partition 104, a main cabinet 105, an air outlet cabinet 106, a placing cabinet 107, a shock pad 108, and a desktop 109; the integral shell of the device is a teaching lectern 101, one side of the lectern 101 is integrally connected with a placing table 102, the lectern 101 and the placing table 102 are both made of sound insulation materials, the height of the placing table 102 is the same as that of the teacher desk 101, the placing table 102 and the teacher desk 101 are located on the same horizontal plane, and a placing cabinet 103 is fixedly installed inside the placing table 102; the interior of the lectern 101 is divided into a main cabinet 105 and an air outlet cabinet 106 by a partition plate 104, a placing cabinet 107 is arranged at the top of the lectern 101, and a desktop 109 is arranged at the top of the placing cabinet 107; a plurality of shock absorption pads 108 are fixedly arranged at the bottoms of the teacher's desk 101 and the placing desk 102, the shock absorption pads 108 are respectively and fixedly arranged at the four corners of the bottoms of the teacher's desk 101 and the placing desk 102, and the shock absorption pads 108 are preferably made of high-elasticity rubber; the air inlet mechanism 200 comprises an air inlet hole 201, a filter screen 202, a first connecting pipe 203, a dust removing box 204, filter cotton 205, a second connecting pipe 206, a dehumidifying box 207, a drying agent 208, a third connecting pipe 209, a cooling box 210, a cooling fin 211, a fourth connecting pipe 212, a strong fan 213, a first sound insulation box 214, a first air outlet pipe 215, a hinge 216, a sealing plate 217, a sealing plate 218 and a locking block 219; an air inlet hole 201 is formed in the top of one side, away from the teacher's desk 101, of the placing desk 102, and a filter screen 202 is arranged inside the air inlet hole 201; a first connecting pipe 203 is fixedly installed on one side inside the placing table 102, the diameter of the first connecting pipe 203 is equal to that of the air inlet 201, and the first connecting pipe 203 corresponds to the position of the air inlet 201; the other end of the first connecting pipe 203 is fixedly provided with a dust removal box 204, the top of the dust removal box 204 is arranged in a penetrating way, and the dust removal box 204 is internally provided with detachable filter cotton 205; a second connecting pipe 206 is fixedly installed on the other side of the dust removing box 204, a dehumidifying box 207 is fixedly installed at the other end of the second connecting pipe 206, the top of the dehumidifying box 207 is arranged in a penetrating manner, and a detachable drying agent 208 is arranged inside the dehumidifying box 207; a third connecting pipe 209 is fixedly installed at the other side of the dehumidifying box 207, the other end of the third connecting pipe 209 is in fluid communication with a cooling box 210, the cooling box 210 is fixedly installed on the upper surface inside the placing table 102, and cooling fins 211 are integrally installed inside the cooling box 210; a fourth connection pipe 212 is fixedly installed at the other side of the cooling tank 210, and the fourth connection pipe 212 is bent; the powerful fan 213 is fixedly installed at the top of the placing cabinet 103, the powerful fan 213 is in fluid communication with the fourth connecting pipe 212, the first sound insulation box 214 is fixedly installed at the top of the placing cabinet 103, the powerful fan 213 is completely wrapped by the first sound insulation box 214, and through holes with the same diameter as that of the fourth connecting pipe 212 and the first air outlet pipe 215 are formed in the top and one side of the first sound insulation box 214; the first air outlet pipe 215 is fixedly arranged at one side of the powerful fan 213 and protrudes out of a through hole at one side of the first sound insulation box 214; the top plate of the placing table 102 is divided into two parts, the left side top plate is integrally connected with the placing table 102, the right side sealing plate 217 is hinged with the left side top plate through a hinge 216, the bottom of the sealing plate 217 is fixedly provided with a sealing plate 218, the sealing plate 218 is made of rubber, and the bottom of the sealing plate is tightly connected with the tops of the dust removing box 204 and the dehumidifying box 207; a locking block 219 is fixedly arranged at the joint of one side of the placing table 102, which is far away from the teacher's desk 101, and the closing plate 217; the cleaning mechanism 300 comprises a hose 301, a rotating shaft groove 302, a threaded rod 303, a first gear 304, a threaded sleeve 305, a sliding rail 306, a sliding block 307, a second sound insulation box 308, a rubber block 309, a first motor 310, a second gear 311, a first connecting block 312, a first button 313, a first spring 314, a first limit ring 315, a connecting rod 316, a second connecting block 317, a second button 318, a second spring 319, a second limit ring 320, a second motor 321, a ball 322, a mounting base 323 and a host 324; the hose 301 is connected with the first air outlet pipe 215 through a through hole at one side of the lectern 101; the rotating shaft grooves 302 are fixedly arranged on the upper surface and the lower surface inside the lectern 101, the two rotating shaft grooves 302 are symmetrically arranged, threaded rods 303 are rotatably arranged inside the two rotating shaft grooves 302, first gears 304 are fixedly arranged on the outer surfaces of the threaded rods 303, and the first gears 304 are table-shaped gears; the outer surface of the threaded rod 303 is provided with a threaded sleeve 305 in a threaded manner; slide rails 306 are fixedly installed on the front side and the rear side of the lectern 101, the two slide rails 306 are symmetrically arranged, a slide block 307 is installed in the slide rail 306 in a sliding manner, one side of the slide block 307 is fixedly connected with the screw sleeve 305, vent holes are formed in the interior of the slide block 307 and the side corresponding to the host 324, and the vent holes are communicated with the hose 301 in a fluid manner; a second sound insulation box 308 is fixedly installed on the lower surface inside the lectern 101, a first motor 310 is arranged inside the second sound insulation box 308, and the top and the bottom of the first motor 310 are both fixed inside the second sound insulation box 308 through rubber blocks 309; the output end of the second motor 310 is fixedly provided with a second gear 311, the second gear 311 is in a table shape and is meshed with the first gear 304; a first connecting block 312 is fixedly installed on one side, close to the threaded rod 303, of the second sound insulation box 308, a first button 313 is arranged on the upper surface of the first connecting block 312, a first spring 314 is fixedly installed on the upper surface of the first button 313, and the first spring 314 is located right below the sliding block 307; a first limiting ring 315 is fixedly mounted on the upper surface of the first connecting block 312, the first button 313 and the first spring 314 are located inside the first limiting ring 315, and the top end of the first limiting ring 315 is lower than the top end of the first spring 314; the upper surface inside the lectern 101 is fixedly provided with a connecting rod 316, the bottom end of the connecting rod 316 is fixedly provided with a second connecting block 317, the second connecting block 317 and the first connecting block 312 are coaxially arranged, the lower surface of the second connecting block 317 is provided with a second button 318, the lower surface of the second button 318 is fixedly provided with a second spring 319, the lower surface of the second connecting block 317 is fixedly provided with a second limiting ring 320, and the bottom end of the second limiting ring 320 is higher than the bottom end of the second spring 319; a second motor 321 is arranged inside the second sound insulation box 308, and the top and the bottom of the second motor 321 are both fixedly arranged inside the second sound insulation box 308 by rubber blocks 309; the output end of the second motor 321 penetrates through the top of the second sound insulation box 308 and is fixedly connected with the mounting base 323, rolling grooves are formed in the upper surface of the second sound insulation box 308 and the lower surface of the mounting base 323, the two rolling grooves correspond in position, and balls 322 are arranged inside the rolling grooves in a rolling manner; a host 324 is fixedly arranged on the upper surface of the mounting base 323; the air draft mechanism 400 comprises an air draft hood 401, a vent hole 402, an air draft pipe 403, an air draft fan 404, a processing box 405, an activated carbon plate 406, a second air outlet pipe 407, a third sound insulation box 408, an air outlet 409, a second filter screen 410, a third motor 411, a belt 412 and a support ring 413; an air suction cover 401 is fixedly installed on one side, located on the air outlet box 106, of the partition board 104, a vent hole 402 penetrates through the partition board 104, and the size, shape and position of the vent hole 402 correspond to an air inlet of the air suction cover 401; an exhaust pipe 403 is fixedly installed at one end, far away from the partition plate 104, of the air suction hood 401, a support column is vertically and fixedly installed inside the exhaust pipe 403, and an exhaust fan 404 is fixedly installed at one side, corresponding to the partition plate 104, of the support column; a processing box 405 is fixedly installed at the air outlet end of the exhaust pipe 403, and an activated carbon plate 406 is arranged inside the processing box 405; a second air outlet pipe 407 is fixedly arranged at an air outlet of the treatment box 405; an air outlet 409 is formed in the bottom of the left side of the desk 101, a second filter screen 410 is fixedly installed inside the air outlet 409, a third sound insulation box 408 is fixedly installed inside the air outlet box 106, the third sound insulation box 408 is in fluid communication with the air outlet 409, and the third sound insulation box 408 is in fluid communication with the treatment box 405 through a second air outlet pipe 407; a third motor 411 is arranged inside the second sound insulation box 308, and the top and the bottom of the third motor 411 are both provided with rubber blocks 309 to fixedly install the third motor 411 inside the second sound insulation box 308; a support ring 413 is fixedly arranged on one side of the third sound insulation box 408 corresponding to the third motor 411, the support ring 413 corresponds to the output end of the third motor 411, and the output end of the third motor 411 penetrates through the left side wall of the second sound insulation box 308 and is inserted into the support ring 413; the exhaust fan 403 is fixedly provided with rollers, the output end of the third motor 411 is also fixedly provided with rollers, and the two rollers are positioned on the same axis; the two rollers are drivingly linked by a belt 412.

The working principle is as follows: through the suction of the powerful fan 213, the airflow outside the placing table 102 enters the dust removing box 204 through the air inlet 201, when the airflow passes through the filter screen 202, larger particles in the airflow are filtered, after the airflow enters the dust removing box 204, the filter cotton 205 in the dust removing box 204 filters out the residual dust in the airflow, then the airflow enters the dehumidifying box 207, the drying agent 208 in the dehumidifying box 207 dries the airflow, then the airflow enters the cooling box 210, and the airflow passes through the cooling fin 211 to be cooled, so that the airflow entering the main case 105 can be ensured to be clean and dry, and the effect of cooling the main machine 324 can be achieved; when the host 324 is installed on the installation base 323 in the host box 105, and the strong fan 213 draws wind into the sliding block 307 through the hose 301, the first motor 310 is also in operation, the threaded rod 303 can be driven to rotate by the meshing rotation of the two table gears, and simultaneously the threaded rod 303 drives the threaded sleeve 305 to move up and down, and then the threaded sleeve 305 drives the sliding block 307 to move in the sliding rail 306, when the sliding block 307 moves down and hits the first spring 314, the first spring 314 presses the first button 313, the first motor 310 rotates backward, and then the threaded rod 303 rotates backward, and drives the sliding block 307 to move upward, when the sliding block 307 hits the second spring 319, the second spring 319 presses the second button 318, the first motor 310 rotates forward, and then the threaded rod 303 rotates forward, so that the sliding block 307 moves downward, the two springs play a role in buffering, and play a role in protecting the button, the two limiting rings can fix the two springs to prevent the springs from inclining, and the dust on the main frame 324 can be cleaned by the wind blown out from the sliding block 307 through the up-and-down movement of the sliding block 307; the exhaust pipe 403 is provided with two through holes only for the belt 412 to pass through, the third motor 411 rotates, the belt 412 drives the exhaust fan 404 to rotate, the dust falling from the host 324 is sucked into the processing box 405 through the vent 402 on the partition plate 104, and the airflow absorbed by the activated carbon plate 406 enters the third sound insulation box 408 and is discharged through the air outlet 409.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications are possible which remain within the scope of the appended claims.

Claims

1. The automatic dust cleaning and preventing cabinet for the history teaching computer is characterized by comprising an installation mechanism (100), an air inlet mechanism (200), a cleaning mechanism (300) and an air draft mechanism (400); the air inlet mechanism (200) is arranged inside the mounting mechanism (100), the cleaning mechanism (300) is in fluid communication with the air inlet mechanism (200), and the air exhaust mechanism (400) is fixedly mounted inside the mounting mechanism (100); the mounting mechanism (100) comprises a lectern (101), a placing desk (102), a placing cabinet (103), a partition plate (104), a main case (105), an air outlet case (106), a placing case (107), a shock pad (108) and a desktop (109); the integral shell of the device is a teaching lectern (101), one side of the lectern (101) is integrally connected with a placing table (102), the lectern (101) and the placing table (102) are both made of sound insulation materials, the height of the placing table (102) is the same as the height of a main body of the lectern (101), the placing table (102) and the lectern (101) are located on the same horizontal plane, and a placing cabinet (103) is fixedly installed inside the placing table (102); the interior of the lectern (101) is divided into a main case (105) and an air outlet case (106) by a partition plate (104), a placing case (107) is arranged at the top of the lectern (101), and a desktop (109) is arranged at the top of the placing case (107); the bottom parts of the teacher's desk (101) and the placing desk (102) are fixedly provided with a plurality of shock-absorbing pads (108), and the shock-absorbing pads (108) are respectively and fixedly arranged at four corners of the bottom parts of the teacher's desk (101) and the placing desk (102); the air inlet mechanism (200) comprises an air inlet hole (201), a filter screen (202), a first connecting pipe (203), a dust removal box (204), filter cotton (205), a second connecting pipe (206), a dehumidification box (207), a drying agent (208), a third connecting pipe (209), a cooling box (210), a cooling fin (211), a fourth connecting pipe (212), a strong fan (213), a first sound insulation box (214), a first air outlet pipe (215), a hinge (216), a sealing plate (217), a sealing plate (218) and a locking block (219); an air inlet hole (201) is formed in the top of one side, away from the teacher's desk (101), of the placing desk (102), and a filter screen (202) is arranged inside the air inlet hole (201); a first connecting pipe (203) is fixedly installed on one side inside the placing table (102), the diameter of the first connecting pipe (203) is equal to that of the air inlet hole (201), and the first connecting pipe (203) corresponds to the position of the air inlet hole (201); a dust removal box (204) is fixedly installed at the other end of the first connecting pipe (203), the top of the dust removal box (204) is arranged in a penetrating manner, and detachable filter cotton (205) is arranged in the dust removal box (204); a second connecting pipe (206) is fixedly installed on the other side of the dust removing box (204), a dehumidifying box (207) is fixedly installed at the other end of the second connecting pipe (206), the top of the dehumidifying box (207) is arranged in a penetrating manner, and a detachable drying agent (208) is arranged in the dehumidifying box (207); a third connecting pipe (209) is fixedly installed on the other side of the dehumidification box (207), the other end of the third connecting pipe (209) is in fluid communication with a cooling box (210), the cooling box (210) is fixedly installed on the upper surface of the interior of the placing table (102), and cooling fins (211) are integrally installed in the cooling box (210); a fourth connecting pipe (212) is fixedly installed on the other side of the cooling box (210), and the fourth connecting pipe (212) is bent; the strong fan (213) is fixedly installed at the top of the placing cabinet (103), the strong fan (213) is communicated with the fourth connecting pipe (212) in a fluid mode, the top of the placing cabinet (103) is fixedly installed with a first sound insulation box (214), the strong fan (213) is completely wrapped by the first sound insulation box (214), and through holes with the same diameter as that of the fourth connecting pipe (212) and the first air outlet pipe (215) are formed in the top and one side of the first sound insulation box (214); the first air outlet pipe (215) is fixedly arranged at one side of the powerful fan (213) and protrudes out of the through hole at one side of the first sound insulation box (214); the top plate of the placing table (102) is divided into two parts, the left side top plate is integrally connected with the placing table (102), the right side sealing plate (217) is hinged with the left side top plate through a hinge (216), the bottom of the sealing plate (217) is fixedly provided with a sealing plate (218), the sealing plate (218) is made of rubber, and the bottom of the sealing plate is tightly connected with the tops of the dust removing box (204) and the dehumidifying box (207); a locking block (219) is fixedly arranged at the joint of one side of the placing table (102) far away from the teacher's table (101) and the sealing plate (217); the cleaning mechanism (300) comprises a hose (301), a rotating shaft groove (302), a threaded rod (303), a first gear (304), a threaded sleeve (305), a sliding rail (306), a sliding block (307), a second sound insulation box (308), a rubber block (309), a first motor (310), a second gear (311), a first connecting block (312), a first button (313), a first spring (314), a first limiting ring (315), a connecting rod (316), a second connecting block (317), a second button (318), a second spring (319), a second limiting ring (320), a second motor (321), a ball (322), an installation base (323) and a host (324); the hose (301) is connected with the first air outlet pipe (215) through a through hole in one side of the teacher desk (101); the rotating shaft grooves (302) are fixedly arranged on the upper surface and the lower surface inside the teacher's desk (101), the two rotating shaft grooves (302) are symmetrically arranged, threaded rods (303) are rotatably arranged inside the two rotating shaft grooves (302), first gears (304) are fixedly arranged on the outer surfaces of the threaded rods (303), and the first gears (304) are table-shaped gears; a threaded sleeve (305) is mounted on the outer surface of the threaded rod (303) in a threaded manner; the front side and the rear side of the teacher's desk (101) are fixedly provided with slide rails (306), the two slide rails (306) are symmetrically arranged, a slide block (307) is slidably arranged in each slide rail (306), one side of each slide block (307) is fixedly connected with a threaded sleeve (305), a vent hole is formed in each slide block (307) and one side corresponding to the host (324), and the vent holes are communicated with the hose (301) in a fluid manner; a second sound insulation box (308) is fixedly installed on the lower surface inside the teacher desk (101), a first motor (310) is arranged inside the second sound insulation box (308), and the top and the bottom of the first motor (310) are fixed inside the second sound insulation box (308) through rubber blocks (309); a second gear (311) is fixedly mounted at the output end of the second motor (310), and the second gear (311) is in a table shape and is meshed with the first gear (304); a first connecting block (312) is fixedly mounted on one side, close to the threaded rod (303), of the second sound insulation box (308), a first button (313) is arranged on the upper surface of the first connecting block (312), a first spring (314) is fixedly mounted on the upper surface of the first button (313), and the first spring (314) is located right below the sliding block (307); a first limiting ring (315) is fixedly mounted on the upper surface of the first connecting block (312), the first button (313) and the first spring (314) are positioned inside the first limiting ring (315), and the top end of the first limiting ring (315) is lower than the top end of the first spring (314); the upper surface inside the lectern (101) is fixedly provided with a connecting rod (316), the bottom end of the connecting rod (316) is fixedly provided with a second connecting block (317), the second connecting block (317) and the first connecting block (312) are coaxially arranged, the lower surface of the second connecting block (317) is provided with a second button (318), the lower surface of the second button (318) is fixedly provided with a second spring (319), the lower surface of the second connecting block (317) is fixedly provided with a second limiting ring (320), and the bottom end of the second limiting ring (320) is higher than the bottom end of the second spring (319); a second motor (321) is arranged inside the second sound insulation box (308), and the top and the bottom of the second motor (321) are both fixedly installed inside the second sound insulation box (308) through rubber blocks (309); the output end of the second motor (321) penetrates through the top of the second sound insulation box (308) and is fixedly connected with the mounting base (323), rolling grooves are formed in the upper surface of the second sound insulation box (308) and the lower surface of the mounting base (323), the positions of the two rolling grooves correspond to each other, and balls (322) are arranged in the rolling grooves in a rolling manner; a host (324) is fixedly arranged on the upper surface of the mounting base (323); the air draft mechanism (400) comprises an air draft hood (401), a vent hole (402), an air draft pipe (403), an air draft fan (404), a treatment box (405), an activated carbon plate (406), a second air outlet pipe (407), a third sound insulation box (408), an air outlet (409), a second filter screen (410), a third motor (411), a belt (412) and a support ring (413); an air suction cover (401) is fixedly installed on one side, located on the air outlet box (106), of the partition plate (104), a vent hole (402) penetrates through the partition plate (104), and the size, shape and position of the vent hole (402) correspond to an air inlet of the air suction cover (401); an exhaust pipe (403) is fixedly installed at one end, far away from the partition plate (104), of the air suction hood (401), a support column is vertically and fixedly installed inside the exhaust pipe (403), and an exhaust fan (404) is fixedly installed at one side, corresponding to the partition plate (104), of the support column; a processing box (405) is fixedly installed at the air outlet end of the exhaust pipe (403), and an activated carbon plate (406) is arranged in the processing box (405); a second air outlet pipe (407) is fixedly arranged at an air outlet of the treatment box (405); an air outlet (409) is formed in the bottom of the left side of the desk (101), a second filter screen (410) is fixedly mounted inside the air outlet (409), a third sound insulation box (408) is fixedly mounted inside the air outlet box (106), the third sound insulation box (408) is communicated with the air outlet (409) in a fluid mode, and the third sound insulation box (408) is communicated with the treatment box (405) in a fluid mode through a second air outlet pipe (407); a third motor (411) is arranged inside the second sound insulation box (308), and the top and the bottom of the third motor (411) are both provided with a rubber block (309) to fixedly install the third motor (411) inside the second sound insulation box (308); a support ring (413) is fixedly installed on one side of the third sound insulation box (408) corresponding to the third motor (411), the support ring (413) corresponds to the output end of the third motor (411), and the output end of the third motor (411) penetrates through the left side wall of the second sound insulation box (308) and is inserted into the support ring (413); the exhaust fan (403) is fixedly provided with rollers, the output end of the third motor (411) is also fixedly provided with rollers, and the two rollers are positioned on the same axis; the two rollers are drivingly linked by a belt (412).