CN109334307A - A kind of English teaching blackboard Wet-dry water conservancy diversion dust-extraction unit - Google Patents
A kind of English teaching blackboard Wet-dry water conservancy diversion dust-extraction unit Download PDFInfo
- Publication number
- CN109334307A CN109334307A CN201811394825.0A CN201811394825A CN109334307A CN 109334307 A CN109334307 A CN 109334307A CN 201811394825 A CN201811394825 A CN 201811394825A CN 109334307 A CN109334307 A CN 109334307A
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- CN
- China
- Prior art keywords
- blackboard
- dust
- air
- english teaching
- extraction unit
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L1/00—Repeatedly-usable boards or tablets for writing or drawing
- B43L1/04—Blackboards
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L21/00—Blackboard or slate cleaning devices
- B43L21/02—Blackboard or slate cleaning devices with means for absorbing the chalk dust
Landscapes
- Cleaning In General (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention discloses a kind of English teaching blackboard Wet-dry water conservancy diversion dust-extraction units, including blackboard, wall and ground, it is fixedly connected by steel nail there are four mounting base on the wall, threaded rod and two gag lever posts are horizontally installed between corresponding two mounting bases in position, it is also fixedly connected by steel nail there are two decelerating motor on the wall, and one end welding of the output shaft of each decelerating motor threaded rod corresponding with position, Mobile base is equipped on two gag lever posts jointly, diversion seat is fixedly connected on one of them described Mobile base, several sparge pipes are communicated on the diversion seat, air guiding base is fixedly connected on another described Mobile base, several air jet pipes are communicated on the air guiding base.Advantage is: structure of the invention is ingenious, easy to use, can be realized the dedusting of English teaching blackboard Wet-dry, can be reduced the speed that dust stops in air, can be realized the recycling of water, saves water resource.
Description
Technical field
The present invention relates to teaching equipment technical fields more particularly to a kind of English teaching blackboard Wet-dry water conservancy diversion dedusting to fill
It sets.
Background technique
In China, teacher of every number of days in terms of necessarily will make writing on the blackboard with chalk, after that has no alternative lives in wiping blackboard
In chalk dust.Wiping for blackboard mainly includes two kinds of wiping methods, the first is dry method wiping, that is, uses blackboard eraser
It is wiped, for the blackboard of English teaching, since the content that English teacher writes on blackboard is more, is using dry method
A large amount of dust can be generated when wiping blackboard, severely compromises the health of numerous teachers, or even injure student.According to power
Prestige mechanism data, which is shown, to be shown chalk dust from flying there is danger to lung, the upper respiratory tract, eyes, skin and ear respectively
Evil, while other diseases can be also induced again.Therefore it needs to wipe in dry method and removes chalk production in blackboard and writing process in real time
Raw dust builds the academic environment of health.
Wet process wiping blackboard, which can be removed from, generates a large amount of dust, but the problem slow there are still water stain drying, affects
Teaching is normally carried out.
For this purpose, it is proposed that a kind of English teaching blackboard Wet-dry water conservancy diversion dust-extraction unit solves the above problems.
Summary of the invention
The purpose of the present invention is to solve the problems in background techniques, and a kind of English teaching blackboard dry and wet two proposed
With water conservancy diversion dust-extraction unit.
To achieve the goals above, present invention employs following technical solutions: a kind of English teaching blackboard Wet-dry is led
Dust-extraction unit, including blackboard, wall and ground are flowed, and blackboard is mounted on wall, is fixedly connected on the wall by steel nail
There are four mounting bases, and two of them mounting base is located at the upside of blackboard, and other two mounting base is located at the downside of blackboard, position
It sets and is horizontally installed with threaded rod and two gag lever posts between corresponding two mounting bases, on the wall also by steel nail
Decelerating motor there are two being fixedly connected, and one end weldering of the output shaft of each decelerating motor threaded rod corresponding with position
It connects, Mobile base is equipped on two gag lever posts jointly, and Mobile base threaded rod corresponding with position is threadedly coupled, wherein one
It is fixedly connected with diversion seat on a Mobile base, several sparge pipes are communicated on the diversion seat, another described Mobile base
On be fixedly connected with air guiding base, several air jet pipes are communicated on the air guiding base；
It is placed with water tank and water pump on the ground, and is connected between water tank and water pump by the first water pipe, the water pump
On be communicated with delivery hose, and the upper end of delivery hose is connected to diversion seat；
It is placed with dust exhaust apparatus and air blower on the ground, is connected with air inlet at the port of the blast pipe of the air blower
Hose, and the upper end of air induction hose is connected to air guiding base, and outlet bend pipe is connected at the port of the discharge pipe of the air blower, and
The upper end of outlet bend pipe is connect with dust exhaust apparatus.
In above-mentioned English teaching blackboard Wet-dry water conservancy diversion dust-extraction unit, successively installed from top to bottom in the water tank
Active layer of charcoal, ultrafiltration membrane and nanofiltration membrane.
In above-mentioned English teaching blackboard Wet-dry water conservancy diversion dust-extraction unit, the dust exhaust apparatus by shell, cone-shaped hood,
Blade, filter screen, cleaning wind wheel, water tank and placement rack composition, the placement rack are located on ground, are placed on the placement rack
Shell, the upper end of the shell is inserted with cone-shaped hood, and the upper end of cone-shaped hood is connect with outlet bend pipe, the inner roof wall of the shell
On first motor is installed, blade is welded on the output shaft of the first motor, was equipped on the inner sidewall of the shell
Strainer is equipped with the second motor on the inner sidewall of the shell, cleaning wind wheel, institute is equipped on the output shaft of second motor
It states and is inserted with water tank in shell, and be contained with pure water in water tank, and the lower end for cleaning wind wheel is located in pure water, the shell
Two sidewalls on symmetrically open up there are two air outlet, and be mounted on strainer on each air outlet.
In above-mentioned English teaching blackboard Wet-dry water conservancy diversion dust-extraction unit, the lower end of the air guiding base, which is set in, to be located at
On a gag lever post on the downside of blackboard.
In above-mentioned English teaching blackboard Wet-dry water conservancy diversion dust-extraction unit, the upper end of the diversion seat, which is set in, to be located at
On a gag lever post on the upside of blackboard.
In above-mentioned English teaching blackboard Wet-dry water conservancy diversion dust-extraction unit, the every threaded rod is far from decelerating motor
One end pass through needle bearing corresponding with position mounting base connection.
In above-mentioned English teaching blackboard Wet-dry water conservancy diversion dust-extraction unit, the blast pipe of the air blower and air inlet are soft
It is connected between pipe by the first connecting flange.
In above-mentioned English teaching blackboard Wet-dry water conservancy diversion dust-extraction unit, the discharge pipe and outlet of the air blower are curved
It is connected between pipe by the second connecting flange.
Compared with prior art, the invention has the benefit that
1, English teaching blackboard is carried out using water tank, water pump, the first water pipe, delivery hose, diversion seat and sparge pipe
Wet process wiping, while driving diversion seat to be moved in the horizontal direction using decelerating motor, threaded rod and gag lever post, guarantee
Water energy is enough to be uniformly sprayed on blackboard, and the writing on the blackboard on blackboard is sufficiently rinsed in guarantee.
2, the setting of active carbon layer, ultrafiltration membrane, nanofiltration membrane can purify water in water tank, and active carbon layer can adsorb
Inorganic or organic substance and colloidal solid in water, ultrafiltration membrane can filter the solute molecule of small-bore, and nanofiltration membrane can retain
Nanoscale substance realizes recycling for water with this.
3, the water stain air-dried speed on blackboard can be accelerated by air blower, air induction hose, air guiding base and air jet pipe, together
Shi Caiyong decelerating motor, threaded rod and gag lever post drive air guiding base to be moved in the horizontal direction, guarantee jet branch pipe energy
It is enough to be uniformly sprayed at gas on blackboard.
4, first motor band movable vane piece rotates, then the dust raised blackboard eraser is soft by air jet pipe, air guiding base, air inlet
In pipe, air-out hose and cone-shaped hood respirable dust device, dust is fallen on cleaning wind wheel by filter screen, and the second motor drives
Wind wheel rotation is cleaned, then cleans wind wheel rotation, is fallen in pure water after dust turns in pure water, subsequent clean sky
Gas removes dust exhaust apparatus by strainer, removes the dust around blackboard.
In conclusion structure of the invention is ingenious, and it is easy to use, it can be realized the dedusting of English teaching blackboard Wet-dry,
It can be reduced the speed that dust stops in air, can be realized the recycling of water, save water resource.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of English teaching blackboard Wet-dry water conservancy diversion dust-extraction unit proposed by the present invention；
Fig. 2 is dust exhaust apparatus part knot in a kind of English teaching blackboard Wet-dry water conservancy diversion dust-extraction unit proposed by the present invention
Structure enlarged drawing；
Fig. 3 is diversion seat part-structure in a kind of English teaching blackboard Wet-dry water conservancy diversion dust-extraction unit proposed by the present invention
Enlarged drawing；
Fig. 4 is the second motor part knot in a kind of English teaching blackboard Wet-dry water conservancy diversion dust-extraction unit proposed by the present invention
Structure enlarged drawing；
Fig. 5 is that tank parts structure is put in a kind of English teaching blackboard Wet-dry water conservancy diversion dust-extraction unit proposed by the present invention
Big figure.
In figure: 1 blackboard, 2 diversion seats, 3 decelerating motors, 4 mounting bases, 5 threaded rods, 6 gag lever posts, 7 Mobile bases, 8 air guiding bases,
9 air induction hoses, 10 first connecting flanges, 11 air blowers, 12 outlet bend pipes, 13 dust exhaust apparatuses, 14 second connecting flanges, 15 nanofiltrations
Film, 16 ultrafiltration membranes, 17 active carbon layers, 18 water tanks, 19 first water pipes, 20 water pumps, 21 delivery hoses, 22 second motors, 23 water sprays
Pipe, 24 cone-shaped hoods, 25 blades, 26 shells, 27 strainers, 28 water tanks, 29 placement racks, 30 pure water, 31 cleaning wind wheels, 32 filterings
Net.
Specific embodiment
Following embodiment only exists in illustrative purpose, limits the scope of the invention without being intended to.
Embodiment
Referring to Fig.1-5, a kind of English teaching blackboard Wet-dry water conservancy diversion dust-extraction unit, including blackboard 1, wall and ground,
And blackboard 1 is mounted on wall, is fixedly connected by steel nail there are four mounting base 4 on wall, and two of them mounting base 4 is located at
The upside of blackboard 1, and other two mounting base 4 is located at the downside of blackboard 1, level between corresponding two mounting bases 4 in position
Threaded rod 5 and two gag lever posts 6 be installed, is also fixedly connected with by steel nail that there are two decelerating motor 3, decelerating motors 3 on wall
Compact-sized, small in size, handsome in appearance, receiving overload capacity is strong, can reduce the revolving speed of threaded rod 5, and each decelerating motor 3
Output shaft threaded rod 5 corresponding with position one end welding, the every one end of threaded rod 5 far from decelerating motor 3 is logical
Needle bearing mounting base 4 corresponding with position is crossed to connect.
Mobile base 7 is equipped on two gag lever posts 6 jointly, and the threaded rod 5 corresponding with position of Mobile base 7 is threadedly coupled,
It is fixedly connected with diversion seat 2 on one of Mobile base 7, several sparge pipes 23 are communicated on diversion seat 2, guarantees that water energy is enough uniform
Be sprayed on blackboard 1, the writing on the blackboard on blackboard 1 is sufficiently rinsed in guarantee, and the upper end of diversion seat 2 is set in positioned at the upside of blackboard 1
A gag lever post 6 on, air guiding base 8 is fixedly connected on another Mobile base 7, several air jet pipes are communicated on air guiding base 8, are led
The lower end of gas seat 8 is set on a gag lever post 6 of 1 downside of blackboard.
It is placed with water tank 18 and water pump 20 on ground, and is connected between water tank 18 and water pump 20 by the first water pipe 19, water
Active carbon layer 17, ultrafiltration membrane 16 and nanofiltration membrane 15 are sequentially installed in case 18 from top to bottom, active carbon layer 17 can adsorb in water
Inorganic or organic substance and colloidal solid, ultrafiltration membrane 16 can filter the solute molecule of small-bore, and nanofiltration membrane 15 can retain
Nanoscale substance realizes recycling for water with this, delivery hose 21, and the upper end of delivery hose 21 is communicated on water pump 20
It is connected to diversion seat 2.
Dust exhaust apparatus 13 and air blower 11 are placed on ground, it is soft to be connected with air inlet at the port of the blast pipe of air blower 11
Pipe 9, and the upper end of air induction hose 9 is connected to air guiding base 8, is connected between the blast pipe and air induction hose 9 of air blower 11 by first
Acting flange 10 connects, and is connected with outlet bend pipe 12, and the upper end of outlet bend pipe 12 and suction at the port of the discharge pipe of air blower 11
Dirt device 13 connects, and is connected between the discharge pipe and outlet bend pipe 12 of air blower 11 by the second connecting flange 14.
The dust exhaust apparatus 13 is by shell 26, cone-shaped hood 24, blade 25, filter screen 32, cleaning wind wheel 31, water tank 28 and puts
The composition of seat 29 is set, the placement rack 29 is located on ground, and shell 26, the upper end of the shell 26 are placed on the placement rack 29
It is inserted with cone-shaped hood 24, and the upper end of cone-shaped hood 24 is connect with outlet bend pipe 12, is equipped on the inner roof wall of the shell 26
One motor is welded with blade 25 on the output shaft of the first motor, is equipped with filter screen 32 on the inner sidewall of the shell 26,
Second motor 22 is installed on the inner sidewall of the shell 26, cleaning wind wheel is installed on the output shaft of second motor 22
31, the lower end for being inserted with water tank 28 in the shell 26, and be contained with pure water 30 in water tank 28, and cleaning wind wheel 31 is located at pure
In water purification 30, dust is fallen on cleaning wind wheel 31 by filter screen 32, and the second motor 22 drives cleaning wind wheel 31 to rotate, then clearly
Clean wind wheel 31 rotates, and falls in pure water 30 after dust turns in pure water 30, and subsequent clean air passes through strainer
27 remove dust exhaust apparatuses 13, symmetrically open up that there are two air outlets on the two sidewalls of the shell 26, and pacify on each air outlet
Equipped with strainer 27.
When wiping using wet process to English teaching blackboard, it is first turned on water pump 20, water pump 20 passes through the first water pipe
19 and delivery hose 21 water in water tank 18 is extracted on diversion seat 2, and water is uniformly sprayed at by sparge pipe 23 by blackboard 1
On, decelerating motor 3 corresponding with 2 position of diversion seat is opened simultaneously, decelerating motor 3 drives the threaded rod 5 being attached thereto to rotate,
Simultaneously under the position-limiting action of gag lever post 6, the Mobile base 7 being threadedly coupled with this threaded rod 5 moves in the horizontal direction, with this band
Dynamic diversion seat 2 moves in the horizontal direction, can guarantee enough uniformly to be filled with by the water energy of diversion seat 2 and sparge pipe 23 entire black
Plate 1, while water can be fallen in water tank 18 with the gravity of itself, pass through 15 mistake of active carbon layer 17, ultrafiltration membrane 16 and nanofiltration membrane
It is reused after filter；Then, it is closed after diversion seat 2 being moved to the side of the blackboard 1 far from air guiding base 8 by decelerating motor 3
This decelerating motor 3.
At this point, opening another decelerating motor 3, decelerating motor 3 drives the threaded rod 5 being attached thereto to rotate with it, and is limiting
Under the position-limiting action of position bar 6, the Mobile base 7 being threadedly coupled with this threaded rod 5 moves in the horizontal direction, drives air guiding base with this
8 move in the horizontal direction, open simultaneously air blower 11, pass through air blower 11, air induction hose 9, air guiding base 8 and air jet pipe pair
Water stain on blackboard 1 is dried up.
When being wiped using dry method to English teaching blackboard, English teaching blackboard is carried out using common blackboard eraser
Wiping, opens simultaneously first motor, and first motor band movable vane piece 25 rotates, then the dust raised blackboard eraser by air jet pipe,
In air guiding base 8,24 respirable dust device 13 of air induction hose 9, air-out hose 12 and cone-shaped hood, dust is fallen to by filter screen 32
It cleans on wind wheel 31, the second motor 22 drives cleaning wind wheel 31 to rotate, then the rotation of wind wheel 31 is cleaned, when dust turns to pure water
It is fallen in pure water 30 after in 30, subsequent clean air removes dust exhaust apparatus 13 by strainer 27.
Although be used more herein blackboard 1, diversion seat 2, decelerating motor 3, mounting base 4, threaded rod 5, gag lever post 6,
Mobile base 7, air guiding base 8, air induction hose 9, the first connecting flange 10, air blower 11, outlet bend pipe 12, dust exhaust apparatus 13, second
Connecting flange 14, nanofiltration membrane 15, ultrafiltration membrane 16, active carbon layer 17, water tank 18, the first water pipe 19, water pump 20, delivery hose 21,
It is second motor 22, sparge pipe 23, cone-shaped hood 24, blade 25, shell 26, strainer 27, water tank 28, placement rack 29, pure water 30, clear
The terms such as clean wind wheel 31, filter screen 32, but it does not exclude the possibility of using other terms.The use of these items is only for
It is more convenient to describe and explain essence of the invention；It is construed as any additional limitation all and is and spirit of that invention
It disagrees.
Claims (8)
1. a kind of English teaching blackboard Wet-dry water conservancy diversion dust-extraction unit, including blackboard (1), wall and ground, and blackboard (1) is pacified
On wall, it is characterised in that: be fixedly connected by steel nail there are four mounting base (4) on the wall, and two of them are pacified
Dress seat (4) is located at the upside of blackboard (1), and other two mounting base (4) is located at the downside of blackboard (1), position corresponding two
Threaded rod (5) and two gag lever posts (6) are horizontally installed between a mounting base (4), it is also solid to pass through steel nail on the wall
There are two fixed connections decelerating motor (3), and the output shaft of each decelerating motor (3) threaded rod (5) corresponding with position
One end is welded, and is equipped with Mobile base (7) jointly on two gag lever posts (6), and Mobile base (7) threaded rod corresponding with position
(5) it is threadedly coupled, is fixedly connected with diversion seat (2) on one of them described Mobile base (7), is communicated on the diversion seat (2)
Several sparge pipes (23) are fixedly connected with air guiding base (8) on another described Mobile base (7), are communicated on the air guiding base (8)
Several air jet pipes；
It is placed with water tank (18) and water pump (20) on the ground, and passes through the first water pipe between water tank (18) and water pump (20)
(19) it connects, is communicated with delivery hose (21) on the water pump (20), and the upper end of delivery hose (21) and diversion seat (2) are even
It is logical；
It is placed with dust exhaust apparatus (13) and air blower (11) on the ground, connects at the port of the blast pipe of the air blower (11)
It is connected to air induction hose (9), and the upper end of air induction hose (9) is connected to air guiding base (8), the end of the discharge pipe of the air blower (11)
It is connected with outlet bend pipe (12) at mouthful, and the upper end of outlet bend pipe (12) is connect with dust exhaust apparatus (13).
2. a kind of English teaching blackboard Wet-dry water conservancy diversion dust-extraction unit according to claim 1, it is characterised in that: described
It is sequentially installed with active carbon layer (17), ultrafiltration membrane (16) and nanofiltration membrane (15) from top to bottom in water tank (18).
3. a kind of English teaching blackboard Wet-dry water conservancy diversion dust-extraction unit according to claim 1, it is characterised in that: described
Dust exhaust apparatus (13) by shell (26), cone-shaped hood (24), blade (25), filter screen (32), cleaning wind wheel (31), water tank (28) and
Placement rack (29) composition, the placement rack (29) are located on ground, are placed with shell (26), the shell on the placement rack (29)
The upper end of body (26) is inserted with cone-shaped hood (24), and the upper end of cone-shaped hood (24) is connect with outlet bend pipe (12), the shell
(26) first motor is installed on inner roof wall, blade (25), the shell are welded on the output shaft of the first motor
(26) it is equipped on inner sidewall filter screen (32), is equipped with the second motor (22) on the inner sidewall of the shell (26), it is described
Cleaning wind wheel (31) is installed on the output shaft of the second motor (22), is inserted with water tank (28) in the shell (26), and water tank
(28) lower end for being contained with pure water (30) in, and cleaning wind wheel (31) is located in pure water (30), and the two of the shell (26)
Air outlet there are two symmetrically being opened up on side wall, and strainer (27) are mounted on each air outlet.
4. a kind of English teaching blackboard Wet-dry water conservancy diversion dust-extraction unit according to claim 1, it is characterised in that: described
The lower end of air guiding base (8) is set on a gag lever post (6) on the downside of blackboard (1).
5. a kind of English teaching blackboard Wet-dry water conservancy diversion dust-extraction unit according to claim 1, it is characterised in that: described
The upper end of diversion seat (2) is set on a gag lever post (6) on the upside of blackboard (1).
6. a kind of English teaching blackboard Wet-dry water conservancy diversion dust-extraction unit according to claim 1, it is characterised in that: every
The threaded rod (5) passes through needle bearing mounting base (4) connection corresponding with position far from the one end of decelerating motor (3).
7. a kind of English teaching blackboard Wet-dry water conservancy diversion dust-extraction unit according to claim 1, it is characterised in that: described
It is connect between the blast pipe of air blower (11) and air induction hose (9) by the first connecting flange (10).
8. a kind of English teaching blackboard Wet-dry water conservancy diversion dust-extraction unit according to claim 1, it is characterised in that: described
It is connect between the discharge pipe of air blower (11) and outlet bend pipe (12) by the second connecting flange (14).
Priority Applications (1)
| 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 |
Applications Claiming Priority (1)
| 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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109334307A true CN109334307A (en) | 2019-02-15 |
| CN109334307B CN109334307B (en) | 2020-03-27 |
Family
ID=65316789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811394825.0A Expired - Fee Related CN109334307B (en) | 2018-11-22 | 2018-11-22 | Dry-wet dual-purpose flow guide dust removal device for English teaching blackboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109334307B (en) |
Cited By (3)
| 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 |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN105667137A (en) * | 2016-03-24 | 2016-06-15 | 尹全宝 | Cyclic utilization device for removing chalk dust by means of washing |
| CN205439690U (en) * | 2015-12-28 | 2016-08-10 | 郑州工业应用技术学院 | Automatic wash blackboard |
| CN107031245A (en) * | 2017-03-15 | 2017-08-11 | 朱石明 | It is a kind of can with Rapid Cleaning and with drying function blackboard cleaning device |
| CN206678651U (en) * | 2017-03-16 | 2017-11-28 | 常德职业技术学院 | A kind of blackboard for English teaching wipes dirt device |
| CN108177468A (en) * | 2017-12-27 | 2018-06-19 | 牡丹江师范学院 | A kind of English teaching blackboard Wet-dry water conservancy diversion dust-extraction unit |
-
2018
- 2018-11-22 CN CN201811394825.0A patent/CN109334307B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN105667137A (en) * | 2016-03-24 | 2016-06-15 | 尹全宝 | Cyclic utilization device for removing chalk dust by means of washing |
| CN107031245A (en) * | 2017-03-15 | 2017-08-11 | 朱石明 | It is a kind of can with Rapid Cleaning and with drying function blackboard cleaning device |
| CN206678651U (en) * | 2017-03-16 | 2017-11-28 | 常德职业技术学院 | A kind of blackboard for English teaching wipes dirt device |
| CN108177468A (en) * | 2017-12-27 | 2018-06-19 | 牡丹江师范学院 | A kind of English teaching blackboard Wet-dry water conservancy diversion dust-extraction unit |
Cited By (3)
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109334307B (en) | 2020-03-27 |
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