CN109334307B - Dry-wet dual-purpose flow guide dust removal device for English teaching blackboard - Google Patents

Dry-wet dual-purpose flow guide dust removal device for English teaching blackboard Download PDF

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Publication number
CN109334307B
CN109334307B CN201811394825.0A CN201811394825A CN109334307B CN 109334307 B CN109334307 B CN 109334307B CN 201811394825 A CN201811394825 A CN 201811394825A CN 109334307 B CN109334307 B CN 109334307B
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China
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air
blackboard
water
seat
flow guide
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Expired - Fee Related
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CN201811394825.0A
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Chinese (zh)
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CN109334307A (en
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雷宏友
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B43WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43LARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L1/00Repeatedly-usable boards or tablets for writing or drawing
    • B43L1/04Blackboards
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B43WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43LARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L21/00Blackboard or slate cleaning devices
    • B43L21/02Blackboard or slate cleaning devices with means for absorbing the chalk dust

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  • Filtering Of Dispersed Particles In Gases (AREA)
  • Cleaning In General (AREA)

Abstract

The invention discloses a dry and wet dual-purpose flow guide dust removal device for a blackboard for English teaching, which comprises a blackboard, a wall body and a foundation, wherein four installation seats are fixedly connected on the wall body through steel nails, a threaded rod and two limiting rods are horizontally arranged between the two installation seats corresponding to the installation seats, two speed reduction motors are also fixedly connected on the wall body through the steel nails, the output shaft of each speed reduction motor is welded with one end of the threaded rod corresponding to the position, moving seats are jointly arranged on the two limiting rods, one of the moving seats is fixedly connected with a flow guide seat, the flow guide seat is communicated with a plurality of water spray pipes, the other moving seat is fixedly connected with an air guide seat, and the air guide seat is communicated with a plurality of air spray pipes. Has the advantages that: the dry-wet dual-purpose dust removal device for the English teaching blackboard is ingenious in structure and convenient and fast to use, can achieve dry-wet dual-purpose dust removal of the English teaching blackboard, can reduce the staying speed of dust in air, can achieve water recycling, and saves water resources.

Description

Dry-wet dual-purpose flow guide dust removal device for English teaching blackboard
Technical Field
The invention relates to the technical field of teaching equipment, in particular to a dry and wet dual-purpose flow guide dust removal device for an English teaching blackboard.
Background
In China, tens of millions of teachers need to use chalks as blackboard-writing every day, and the teachers live inefficiently in chalk dust after wiping a blackboard. The blackboard erasing mainly comprises two erasing methods, the first method is dry erasing, namely erasing by using a blackboard eraser, and for a blackboard for English teaching, as English teachers write more contents on the blackboard, a large amount of dust is generated when the blackboard is erased by using the dry erasing method, the body health of teachers is seriously harmed, and even students are endangered. According to the research data of an authority organization, the chalk dust flying is shown to be harmful to the lung, the upper respiratory tract, the eyes, the skin and the ears respectively, and can induce other diseases. Therefore, dust generated by chalk needs to be removed in real time in the processes of dry-method blackboard erasing and writing, and a healthy learning environment is created.
The wet-method wiping blackboard can avoid generating a large amount of dust, but still has the problem of slow drying of water stains, and influences the normal progress of teaching.
Therefore, the dry and wet dual-purpose flow guide dust removal device for the English teaching blackboard is provided to solve the problems.
Disclosure of Invention
The invention aims to solve the problems in the background art and provides a dry and wet dual-purpose flow guide dust removal device for an English teaching blackboard.
In order to achieve the purpose, the invention adopts the following technical scheme: a dry-wet dual-purpose flow guide dust removal device for an English teaching blackboard comprises a blackboard, a wall body and a foundation, wherein the blackboard is installed on the wall body, four installation seats are fixedly connected on the wall body through steel nails, two installation seats are positioned on the upper side of the blackboard, the other two installation seats are positioned on the lower side of the blackboard, a threaded rod and two limiting rods are horizontally installed between the two installation seats corresponding to the positions, two speed reducing motors are also fixedly connected on the wall body through the steel nails, the output shaft of each speed reducing motor is welded with one end of the threaded rod corresponding to the position, moving seats are jointly arranged on the two limiting rods and are in threaded connection with the threaded rod corresponding to the position, one of the moving seats is fixedly connected with a flow guide seat, the flow guide seat is communicated with a plurality of water spray pipes, and the other moving seat is fixedly connected with an air guide seat, the air guide seat is communicated with a plurality of air injection pipes;
a water tank and a water pump are placed on the foundation, the water tank is connected with the water pump through a first water pipe, a water outlet hose is communicated with the water pump, and the upper end of the water outlet hose is communicated with the flow guide seat;
dust extraction and air-blower have been placed on the ground, the port department of the air-supply line of air-blower is connected with air inlet hose, and air inlet hose's upper end and air guide seat intercommunication, the port department of the play tuber pipe of air-blower is connected with the return bend of giving vent to anger, and the upper end and the dust extraction of the return bend of giving vent to anger are connected.
In the above-mentioned english teaching blackboard wet or dry water conservancy diversion dust collector, install activated carbon layer, milipore filter and nanofiltration membrane from the top down in proper order in the water tank.
In the dry-wet dual-purpose flow guide dust removal device for the English teaching blackboard, the dust removal device consists of a shell, a conical cover, blades, a filter screen, a cleaning wind wheel, a water tank and a placing seat, the placing seat is positioned on the foundation, the shell is placed on the placing seat, the upper end of the shell is inserted with the conical cover, the upper end of the conical cover is connected with the air outlet bent pipe, the inner top wall of the shell is provided with a first motor, blades are welded on an output shaft of the first motor, a filter screen is arranged on the inner side wall of the shell, a second motor is arranged on the inner side wall of the shell, a cleaning wind wheel is arranged on an output shaft of the second motor, a water tank is inserted in the shell, and the water tank is filled with purified water, the lower end of the cleaning wind wheel is positioned in the purified water, two air outlets are symmetrically formed in two side walls of the shell, and each air outlet is provided with a filter screen.
In the above-mentioned dry and wet dual-purpose water conservancy diversion dust collector of english teaching blackboard, the lower pot head of air guide seat is established on a gag lever post that is located the blackboard downside.
In the above-mentioned dry and wet dual-purpose water conservancy diversion dust collector of english teaching blackboard, the upper end cover of water conservancy diversion seat is established on a gag lever post that is located the blackboard upside.
In the above-mentioned dry and wet dual-purpose water conservancy diversion dust collector of english teaching blackboard, the one end that every threaded rod kept away from gear motor all is connected with the corresponding mount pad in position through bearing.
In the dry-wet dual-purpose flow guide dust removal device for the English teaching blackboard, the air inlet pipe of the air blower is connected with the air inlet hose through the first connecting flange.
In the above-mentioned dry wet dual-purpose water conservancy diversion dust collector of english teaching blackboard, pass through the second flange connection between the play tuber pipe of air-blower and the return bend of giving vent to anger.
Compared with the prior art, the invention has the beneficial effects that:
1. adopt water tank, water pump, first water pipe, play water hose, water conservancy diversion seat and spray pipe to carry out the wet process to the english teaching blackboard and clean, adopt gear motor, threaded rod and gag lever post to drive the water conservancy diversion seat simultaneously and move on the horizontal direction, guarantee that water can be even spray the blackboard on, guarantee to fully wash the blackboard writing on the blackboard.
2. The water can be purified by the arrangement of the activated carbon layer, the ultrafiltration membrane and the nanofiltration membrane in the water tank, the activated carbon layer can adsorb inorganic or organic substances and colloidal particles in the water, the ultrafiltration membrane can filter solute molecules with small pore diameters, and the nanofiltration membrane can intercept nano-scale substances, so that the water can be recycled.
3. Can accelerate the air-dried speed of water stain on the blackboard through air-blower, air inlet hose, air guide seat and jet-propelled pipe, adopt gear motor, threaded rod and gag lever post to drive air guide seat and move on the horizontal direction simultaneously, guarantee that jet-propelled branch can be with gaseous even spraying on the blackboard.
4. First motor drives the blade and rotates, then passes through the air jet pipe with the dust that the blackboard eraser was raised, leads the air seat, the hose of admitting air, give vent to anger hose and conical cover and inhale dust extraction in, the dust drops to the clean wind wheel through the filter screen on, the second motor drives clean wind wheel and rotates, then clean wind wheel rotates, drops to the pure water after the dust rotates in to the pure water, clean air shifts out dust extraction through the filter screen afterwards, detaches the dust around the blackboard.
In conclusion, the dry-wet dust removal device is ingenious in structure and convenient and fast to use, can achieve dry-wet dust removal of the English teaching blackboard, can reduce the staying speed of dust in air, can achieve water recycling, and saves water resources.
Drawings
FIG. 1 is a schematic structural view of a dry-wet dual-purpose flow guide dust removal device for an English teaching blackboard according to the present invention;
FIG. 2 is an enlarged view of a dust suction device in the dry and wet diversion dust removal device for the English teaching blackboard according to the present invention;
FIG. 3 is an enlarged view of a part of the structure of a flow guide seat in the dry and wet flow guide dust removal device for an English teaching blackboard according to the present invention;
FIG. 4 is an enlarged view of a second motor part in the dry and wet diversion dust removal device for the English teaching blackboard according to the present invention;
FIG. 5 is an enlarged view of a part of the structure of a water tank in the dry and wet diversion dust removal device for the English teaching blackboard provided by the invention.
In the figure: 1 blackboard, 2 water conservancy diversion seats, 3 gear motor, 4 mount pads, 5 threaded rods, 6 gag lever posts, 7 removal seats, 8 air guide seats, 9 air inlet hose, 10 first flange, 11 air-blowers, 12 return bend of giving vent to anger, 13 dust extraction, 14 second flange, 15 nanofiltration membranes, 16 milipore filters, 17 activated carbon layer, 18 water tanks, 19 first water pipes, 20 water pumps, 21 water outlet hose, 22 second motor, 23 spray pipes, 24 conical cover, 25 blades, 26 casings, 27 filter screens, 28 water tanks, 29 place the seat, 30 pure water, 31 clean wind wheel, 32 filter screens.
Detailed Description
The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.
Examples
Referring to fig. 1-5, a dry-wet dual-purpose flow guide dust removal device for an English teaching blackboard comprises a blackboard 1, a wall body and a foundation, the blackboard 1 is arranged on a wall body, four mounting seats 4 are fixedly connected on the wall body through steel nails, two of the mounting seats 4 are positioned at the upper side of the blackboard 1, and the other two mounting seats 4 are positioned at the lower side of the blackboard 1, a threaded rod 5 and two limiting rods 6 are horizontally arranged between the two mounting seats 4 corresponding to the positions, two speed reducing motors 3 are also fixedly connected on the wall body through steel nails, the speed reducing motors 3 have compact structure, small volume, attractive appearance and strong overload bearing capacity, can reduce the rotating speed of the threaded rod 5, and the output shaft of each speed reducing motor 3 is welded with one end of the threaded rod 5 corresponding to the position, and one end of each threaded rod 5 far away from the speed reducing motor 3 is connected with the mounting seat 4 corresponding to the position through a needle bearing.
Be equipped with jointly on two gag lever posts 6 and remove seat 7, and remove seat 7 and 5 threaded connection of the corresponding threaded rod in position, one of them removes fixedly connected with water conservancy diversion seat 2 on the seat 7, the intercommunication has a plurality of spray pipes 23 on the water conservancy diversion seat 2, guarantee that water can be even spray on blackboard 1, guarantee to fully wash the blackboard writing on blackboard 1, the last pot head of water conservancy diversion seat 2 is established on a gag lever post 6 that is located blackboard 1 upside, fixedly connected with air guide seat 8 on another removal seat 7, the intercommunication has a plurality of jet-propelled pipes on the air guide seat 8, the lower pot head of air guide seat 8 is established on a gag lever post 6 that is located blackboard 1 downside.
Placed water tank 18 and water pump 20 on the ground, and be connected through first water pipe 19 between water tank 18 and the water pump 20, from the top down installs activated carbon layer 17 in proper order in the water tank 18, milipore filter 16 and receive filter membrane 15, activated carbon layer 17 can adsorb inorganic or organic substance and colloidal particle in aquatic, the solute molecule of aperture can be filtered to milipore filter 16, receive filter membrane 15 and can intercept nanometer material, thereby realize the cyclic utilization of water, the intercommunication has water outlet hose 21 on the water pump 20, and water outlet hose 21's upper end and water conservancy diversion seat 2 intercommunication.
The dust collection device 13 and the air blower 11 are placed on the foundation, an air inlet hose 9 is connected to a port of an air inlet pipe of the air blower 11, the upper end of the air inlet hose 9 is communicated with the air guide seat 8, the air inlet pipe of the air blower 11 is connected with the air inlet hose 9 through a first connecting flange 10, an air outlet bent pipe 12 is connected to a port of an air outlet pipe of the air blower 11, the upper end of the air outlet bent pipe 12 is connected with the dust collection device 13, and the air outlet pipe of the air blower 11 is connected with the air outlet bent pipe 12 through a second connecting flange 14.
Dust extraction 13 comprises casing 26, conical cover 24, blade 25, filter screen 32, clean wind wheel 31, water tank 28 and place seat 29, place seat 29 and be located the ground, place seat 29 and have placed casing 26, the upper end of casing 26 is inserted and is equipped with conical cover 24, and conical cover 24's upper end and the return bend 12 of giving vent to anger are connected, install first motor on casing 26's the interior roof, the welding has blade 25 on the output shaft of first motor, install filter screen 32 on casing 26's the inside wall, install second motor 22 on casing 26's the inside wall, install clean wind wheel 31 on second motor 22's the output shaft, casing 26 interpolation is equipped with water tank 28, and has placed pure water 30 in the water tank 28, and the lower extreme of clean wind wheel 31 is located pure water 30, and the dust drops to clean wind wheel 31 through filter screen 32, second motor 22 drives clean wind wheel 31 and rotates, then clean wind wheel 31 rotates, drops to the pure water 30 after the dust rotates in the pure water 30, and cleaner air shifts out dust extraction 13 through filter screen 27 afterwards, two air outlets have been seted up to the symmetry on the both sides wall of casing 26, and all install filter screen 27 on every air outlet.
When the wet method is used for wiping the English teaching blackboard, firstly, the water pump 20 is started, the water pump 20 pumps water in the water tank 18 to the guide seat 2 through the first water pipe 19 and the water outlet hose 21, the water is uniformly sprayed on the blackboard 1 through the water spray pipe 23, meanwhile, the speed reducing motor 3 corresponding to the guide seat 2 is started, the speed reducing motor 3 drives the threaded rod 5 connected with the speed reducing motor to rotate, meanwhile, under the limiting action of the limiting rod 6, the moving seat 7 in threaded connection with the threaded rod 5 moves in the horizontal direction, so that the guide seat 2 is driven to move in the horizontal direction, the water passing through the guide seat 2 and the water spray pipe 23 can be ensured to uniformly sprinkle the whole blackboard 1, meanwhile, the water can fall into the water tank 18 along with the self gravity, and can be reused after being filtered through the activated carbon layer 17, the ultrafiltration membrane 16 and the ultrafiltration membrane 15; subsequently, the air guide base 2 is moved to the side of the blackboard 1 away from the air guide base 8 by the reduction motor 3, and then the reduction motor 3 is turned off.
At the moment, the other reducing motor 3 is turned on, the reducing motor 3 drives the threaded rod 5 connected with the reducing motor 3 to rotate along with the threaded rod, under the limiting effect of the limiting rod 6, the moving seat 7 in threaded connection with the threaded rod 5 moves in the horizontal direction, the air guide seat 8 is driven to move in the horizontal direction, the air blower 11 is turned on simultaneously, and water stains on the blackboard 1 are dried through the air blower 11, the air inlet hose 9, the air guide seat 8 and the air injection pipe.
When adopting the dry process to clean english teaching blackboard, adopt ordinary blackboard eraser to clean english teaching blackboard, open first motor simultaneously, first motor drives blade 25 and rotates, then pass through the jet-propelled pipe with the dust that the blackboard eraser was raised, air guide 8, air inlet hose 9, give vent to anger hose 12 and conical cover 24 and inhale dust extraction 13 in, the dust drops to clean wind wheel 31 through filter screen 32 on, second motor 22 drives clean wind wheel 31 and rotates, then clean wind wheel 31 rotates, drop to the pure water 30 after the dust rotates to the pure water 30 in, clean air shifts out dust extraction 13 through filter screen 27 afterwards.
Although the terms of the blackboard 1, the air guide seat 2, the speed reduction motor 3, the mounting seat 4, the threaded rod 5, the limiting rod 6, the moving seat 7, the air guide seat 8, the air inlet hose 9, the first connecting flange 10, the blower 11, the air outlet elbow 12, the dust collector 13, the second connecting flange 14, the nanofiltration membrane 15, the ultrafiltration membrane 16, the activated carbon layer 17, the water tank 18, the first water pipe 19, the water pump 20, the water outlet hose 21, the second motor 22, the water spray pipe 23, the conical cover 24, the blades 25, the shell 26, the filter screen 27, the water tank 28, the placing seat 29, the purified water 30, the cleaning wind wheel 31, the filter screen 32 and the like are used more frequently, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.

Claims (7)

1. The utility model provides an english teaching blackboard is wet dual-purpose water conservancy diversion dust collector futilely, includes blackboard (1), wall body and ground, and install on the wall body blackboard (1), its characterized in that: the wall body is fixedly connected with four mounting seats (4) through steel nails, two of the mounting seats (4) are positioned at the upper side of the blackboard (1), the other two mounting seats (4) are positioned at the lower side of the blackboard (1), two corresponding positions are horizontally arranged between the mounting seats (4) and are provided with a threaded rod (5) and two limiting rods (6), the wall body is also fixedly connected with two speed reducing motors (3) through the steel nails, the output shaft of each speed reducing motor (3) is welded with one end of the threaded rod (5) corresponding to the position, the two limiting rods (6) are jointly provided with a movable seat (7), the movable seat (7) is in threaded connection with the threaded rod (5) corresponding to the position, one of the movable seats (7) is fixedly connected with a flow guide seat (2), the flow guide seat (2) is communicated with a plurality of water spraying pipes (23), the other movable seat (7) is fixedly connected with an air guide seat (8), and the air guide seat (8) is communicated with a plurality of air injection pipes;
a first water tank (18) and a water pump (20) are placed on the foundation, the first water tank (18) is connected with the water pump (20) through a first water pipe (19), a water outlet hose (21) is communicated with the water pump (20), and the upper end of the water outlet hose (21) is communicated with the flow guide seat (2);
a dust collection device (13) and an air blower (11) are placed on the foundation, an air inlet hose (9) is connected to a port of an air inlet pipe of the air blower (11), the upper end of the air inlet hose (9) is communicated with an air guide seat (8), an air outlet bent pipe (12) is connected to a port of an air outlet pipe of the air blower (11), and the upper end of the air outlet bent pipe (12) is connected with the dust collection device (13);
the dust collection device (13) consists of a shell (26), a conical cover (24), blades (25), a filter screen (32), a cleaning wind wheel (31), a second water tank (28) and a placing seat (29), the placing seat (29) is positioned on a foundation, the shell (26) is placed on the placing seat (29), the conical cover (24) is inserted into the upper end of the shell (26), the upper end of the conical cover (24) is connected with an air outlet bent pipe (12), a first motor is installed on the inner top wall of the shell (26), the blades (25) are welded on the output shaft of the first motor, the filter screen (32) is installed on the inner side wall of the shell (26), a second motor (22) is installed on the inner side wall of the shell (26), the cleaning wind wheel (31) is installed on the output shaft of the second motor (22), the second water tank (28) is inserted into the shell (26), and pure water (30) is held in second water tank (28), and the lower extreme of clean wind wheel (31) is located pure water (30), two air outlets have been seted up to the symmetry on the both sides wall of casing (26), and all install filter screen (27) on every air outlet.
2. The dry-wet dual-purpose flow guide dust removal device for the English teaching blackboard according to claim 1, characterized in that: an activated carbon layer (17), an ultrafiltration membrane (16) and a nanofiltration membrane (15) are sequentially arranged in the first water tank (18) from top to bottom.
3. The dry-wet dual-purpose flow guide dust removal device for the English teaching blackboard according to claim 1, characterized in that: the lower end of the air guide seat (8) is sleeved on a limiting rod (6) positioned on the lower side of the blackboard (1).
4. The dry-wet dual-purpose flow guide dust removal device for the English teaching blackboard according to claim 1, characterized in that: the upper end of the flow guide seat (2) is sleeved on a limiting rod (6) positioned on the upper side of the blackboard (1).
5. The dry-wet dual-purpose flow guide dust removal device for the English teaching blackboard according to claim 1, characterized in that: one end of each threaded rod (5) far away from the speed reducing motor (3) is connected with the mounting seat (4) in a corresponding position through a needle bearing.
6. The dry-wet dual-purpose flow guide dust removal device for the English teaching blackboard according to claim 1, characterized in that: the air inlet pipe of the air blower (11) is connected with the air inlet hose (9) through a first connecting flange (10).
7. The dry-wet dual-purpose flow guide dust removal device for the English teaching blackboard according to claim 1, characterized in that: an air outlet pipe of the air blower (11) is connected with the air outlet bent pipe (12) through a second connecting flange (14).
CN201811394825.0A 2018-11-22 2018-11-22 Dry-wet dual-purpose flow guide dust removal device for English teaching blackboard Expired - Fee Related CN109334307B (en)

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Application Number Priority Date Filing Date Title
CN201811394825.0A CN109334307B (en) 2018-11-22 2018-11-22 Dry-wet dual-purpose flow guide dust removal device for English teaching blackboard

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Application Number Priority Date Filing Date Title
CN201811394825.0A CN109334307B (en) 2018-11-22 2018-11-22 Dry-wet dual-purpose flow guide dust removal device for English teaching blackboard

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CN109334307B true CN109334307B (en) 2020-03-27

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111361332A (en) * 2020-03-03 2020-07-03 浙江理工大学 Rolling type dry-wet dual-purpose self-erasing blackboard device
CN112026410A (en) * 2020-08-28 2020-12-04 商洛学院 Dry-wet dual-purpose flow guide dust removal device for English teaching blackboard
CN112356601A (en) * 2020-11-09 2021-02-12 安徽文香信息技术有限公司 Automatic wiping mechanism for intelligent blackboard and use method

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KR19990013320A (en) * 1997-07-29 1999-02-25 장창호 Water Cleaning Blackboard
CN102442121A (en) * 2010-10-08 2012-05-09 吴军来 Automatic blackboard
CN203611609U (en) * 2013-12-20 2014-05-28 侯桂云 Remote control type automatic-clearing blackboard
CN204210212U (en) * 2014-11-06 2015-03-18 仁怀市育人中学 A kind of blackboard automatic flushing device
CN205439690U (en) * 2015-12-28 2016-08-10 郑州工业应用技术学院 Automatic wash blackboard
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