CN208896718U - A kind of quick blackboard cleaning device of education - Google Patents
A kind of quick blackboard cleaning device of education Download PDFInfo
- Publication number
- CN208896718U CN208896718U CN201821188565.7U CN201821188565U CN208896718U CN 208896718 U CN208896718 U CN 208896718U CN 201821188565 U CN201821188565 U CN 201821188565U CN 208896718 U CN208896718 U CN 208896718U
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- blackboard
- bearing seat
- belt pulley
- sliding rail
- shaft
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Abstract
The utility model relates to a kind of blackboard cleaning device more particularly to a kind of quick blackboard cleaning devices of education.Therefore, the technical issues of the utility model are as follows: provide it is a kind of being capable of automatic blackboard cleaning and can be by the quick blackboard cleaning device of clean thorough education of blackboard-cleaning.Technical solution: a kind of quick blackboard cleaning device of education, includes blackboard body, the first sliding rail, the first sliding block, movable plate, bolt, connecting plate, blackboard eraser, mechanical box, first bearing seat, screw rod, motor, nut etc.；Inserted at the top and bottom of blackboard body to be symmetrically arranged with the first sliding rail, slidingtype is equipped with the first sliding block on the first sliding rail, and the first slip front of both up and down is equipped with movable plate.The utility model can be such that blackboard eraser moves left and right by the screw rod and nut of setting, to achieve the purpose that automatic blackboard cleaning, can store the chalk being not used by the web plate of setting convenient for people, can freely be unfolded or pack up curtain by the runner of setting.
Description
Technical field
The utility model relates to a kind of blackboard cleaning device more particularly to a kind of quick blackboard cleaning devices of education.
Background technique
In usual classroom, people require to wipe the subject of a lecture that upper class hall leaves before classroom starts, Ren Menyi
As be all to hold blackboard eraser to wipe the subject of a lecture on blackboard, since the area of blackboard eraser is smaller, it is small that one can only be wiped every time
Part, so people, which usually require to wipe, could for a long time wipe the subject of a lecture left on blackboard；And since blackboard height is higher,
When people erase the board by blackboard eraser, has some dead angles and wipe less than the letter written with chalk at dead angle of going down for a long time can be difficult to remove.
Utility model content
There can be the shortcomings that dead angle to overcome people to need to erase the board to erase the board with blackboard eraser manually, therefore, this is practical
Novel technical problem are as follows: provide it is a kind of being capable of automatic blackboard cleaning and can be by the clean thorough education quickly wiping of blackboard-cleaning
Blackboard device.
Technical solution: a kind of quick blackboard cleaning device of education includes blackboard body, the first sliding rail, the first sliding block, moves
Movable plate, bolt, connecting plate, blackboard eraser, mechanical box, first bearing seat, screw rod, motor, nut, the second sliding rail and the second sliding block,
Inserted at the top and bottom of blackboard body to be symmetrically arranged with the first sliding rail, slidingtype is equipped with the first sliding block on the first sliding rail, and upper and lower two
First slip front of side is equipped with movable plate, symmetrical above and below on front side of movable plate and connecting plate to be provided with threaded hole, the spiral shell of two side of front and back
It is threadingly connected with bolt in pit, blackboard eraser is equipped on the left of connecting plate, is connect on rear side of blackboard eraser with blackboard body front side
Touching is equipped with mechanical box at the top of blackboard body, and the left and right sides is symmetrically arranged with first bearing seat at the top of the first sliding rail, and the of two sides of left and right
Screw rod is installed on one bearing block, is equipped with motor on the inside of mechanical right wall of box, the output shaft of motor is connect with screw rod right end, on screw rod
Equipped with nut, nut front end is connect with movable plate upper back, and mechanical box inside top is equipped with the second sliding rail, is slided on the second sliding rail
Dynamic formula is equipped with the second sliding block, connect at the top of the second sliding block lower end and movable plate.
Furthermore, it is therefore particularly preferred that further include having second bearing seat, first rotating shaft, runner, the first belt pulley, third axis
Holding seat, the second shaft, curtain, the second belt pulley and flat belt, blackboard body left lower is inserted to be equipped with second bearing seat, the
First rotating shaft is installed on two bearing bracket, first rotating shaft left end is equipped with runner, it is equipped with the first belt pulley in the middle part of first rotating shaft, first
Belt pulley is between runner and blackboard body, and the left and right sides is symmetrically arranged with 3rd bearing seat at the top of mechanical box, two sides' of left and right
Second shaft is installed on 3rd bearing seat, volume has a curtain in the second shaft, and the second shaft left end is equipped with the second belt pulley, and second
Flat belt is wound on belt pulley and the first belt pulley.
Furthermore, it is therefore particularly preferred that further include having installing frame, collecting box, handle and web plate, blackboard body bottom is equipped with peace
It frames up, bottom is placed with collecting box in installing frame, and collecting box front side is intermediate to be equipped with handle, is equipped with web plate at the top of collecting box.
It is all to hold a blackboard eraser to erase the board when people erase the board, it is possible thereby to this equipment be used, when people need
When erasing the board, people can star the rotation of motor positive direction, and the rotation of motor positive direction drives the rotation of screw rod positive direction, and screw rod is square
Nut is driven to move right to rotation, the second sliding rail and the second sliding block can do guiding movement to nut, and nut moves right band
Dynamic movable plate moves right, and the first sliding rail and the first sliding block can do guiding movement to movable plate, and movable plate moves right drive
Bolt moves right, and bolt, which moves right, drives connecting plate to move right, and connecting plate, which moves right, drives blackboard eraser to move right,
So that blackboard eraser move right can rapid large-area erase the board, after blackboard eraser moves right to suitable position, Ren Menzai
Close motor, when people need to dismantle blackboard eraser, people can manual positive direction rotating bolt, bolt positive direction rotation
So that bolt moves forward, bolt is no longer in threaded hole after moving forward to suitable position, so that people can incite somebody to action
Blackboard eraser disassembles, and since blackboard eraser needs regular dismounting to get off deashing, it is clear that this measure can facilitate people to carry out blackboard eraser
Ash, after people's clear complete ash, people's manual mobile connection plate again, then the threaded hole of two side of front and back is corresponding, then people are again
Bolt is put into threaded hole, then manual opposite direction rotating bolt, bolt opposite direction rotates so that bolt moves backward, bolt to
After be moved to suitable position after, people stop operating bolt again, so that connecting plate is capable of fixing.
Because further include have second bearing seat, first rotating shaft, runner, the first belt pulley, 3rd bearing seat, the second shaft,
Curtain, the second belt pulley and flat belt, blackboard body left lower is inserted to be equipped with second bearing seat, installs in second bearing seat
There is first rotating shaft, first rotating shaft left end is equipped with runner, is equipped with the first belt pulley in the middle part of first rotating shaft, the first belt pulley is located at runner
Between blackboard body, the left and right sides is symmetrically arranged with 3rd bearing seat at the top of mechanical box, pacifies on the 3rd bearing seat of two sides of left and right
Equipped with the second shaft, volume has curtain in the second shaft, and the second shaft left end is equipped with the second belt pulley, the second belt pulley and the first skin
Flat belt is wound on belt wheel, so when people need using curtain, people can manual opposite direction rotating wheel, runner negative side
The rotation of first rotating shaft opposite direction is driven to rotation, first rotating shaft opposite direction, which rotates, drives the rotation of the first belt pulley opposite direction, and first
The rotation of belt pulley opposite direction drives the rotation of the second belt pulley opposite direction, the second belt pulley opposite direction rotation drive the by flat belt
The rotation of two shaft opposite directions, the second shaft opposite direction rotates so that curtain is opened, and after curtain is opened to appropriate level, people stop again
Only rotating wheel, when people need to pack up curtain, people can manual positive direction rotating wheel, runner positive direction rotation drive
The rotation of first rotating shaft positive direction, the rotation of first rotating shaft positive direction drive the rotation of the first belt pulley positive direction, and the first belt pulley is square
The rotation of the second belt pulley positive direction is driven by flat belt to rotation, the rotation of the second belt pulley positive direction drives the second shaft square
To rotation, the second shaft positive direction rotates so that curtain is packed up, and curtain packs up rear people and stops operating again runner, so that people
Can be more convenient use curtain.
Because further including having installing frame, collecting box, handle and web plate, blackboard body bottom is equipped with installing frame, in installing frame
Bottom is placed with collecting box, and collecting box front side is intermediate to be equipped with handle, is equipped with web plate at the top of collecting box, is erasing the board so working as people
When, chalk dust can be fallen into collecting box by web plate, so that collecting box can collect chalk dust, the chalk in collecting box
After ash arrival is a certain amount of, people can be taken out collecting box either manually or by handle, and reprocessing falls the chalk dust of collecting box, then again
Collecting box is put back into original position by handle, chalk can also be placed on web plate by people, and be convenient for people to use chalk.
Beneficial effect is: the utility model can be such that blackboard eraser moves left and right by the screw rod and nut of setting, to reach
To the purpose of automatic blackboard cleaning, the chalk being not used can be stored convenient for people by the web plate of setting, pass through turning for setting
Wheel can freely be unfolded or pack up curtain.
Detailed description of the invention
Fig. 1 is the schematic view of the front view of the utility model.
Fig. 2 is the part schematic view of the front view of the utility model.
Wherein, the above drawings include the following reference numerals: 1, blackboard body, the 2, first sliding rail, the 3, first sliding block, 4, movement
Plate, 5, threaded hole, 6, bolt, 7, connecting plate, 8, blackboard eraser, 9, mechanical box, 10, first bearing seat, 11, screw rod, 12, motor,
13, nut, the 14, second sliding rail, the 15, second sliding block, 16, second bearing seat, 17, first rotating shaft, 18, runner, the 19, first belt
Wheel, 20,3rd bearing seat, the 21, second shaft, 22, curtain, the 23, second belt pulley, 24, flat belt, 25, installing frame, 26, receipts
Header, 27, handle, 28, web plate.
Specific embodiment
To make the objectives, technical solutions and advantages of the present invention clearer, With reference to embodiment
And referring to attached drawing, the utility model is further described.It should be understood that these descriptions are merely illustrative, and do not really want
Limit the scope of the utility model.In addition, in the following description, descriptions of well-known structures and technologies are omitted, to avoid not
Necessarily obscure the concept of the utility model.
Embodiment 1
A kind of quick blackboard cleaning device of education includes as shown in Figs. 1-2 blackboard body 1, the first sliding rail 2, first cunning
Block 3, movable plate 4, bolt 6, connecting plate 7, blackboard eraser 8, mechanical box 9, first bearing seat 10, screw rod 11, motor 12, nut 13,
Second sliding rail 14 and the second sliding block 15, the top and bottom of blackboard body 1 are inserted to be symmetrically arranged with the first sliding rail 2, on the first sliding rail 2
Slidingtype is equipped with the first sliding block 3, and 3 front end of the first sliding block of both up and down is equipped with movable plate 4, on 7 front side of movable plate 4 and connecting plate
It is symmetrically provided with threaded hole 5 down, bolt 6 is threadingly connected in the threaded hole 5 of two side of front and back, is equipped on the left of connecting plate 7
Blackboard eraser 8, the rear side of blackboard eraser 8 and 1 frontside contacts of blackboard body are equipped with mechanical box 9,2 top of the first sliding rail at the top of blackboard body 1
The left and right sides is symmetrically arranged with first bearing seat 10, is equipped with screw rod 11,9 right wall of mechanical box in the first bearing seat 10 of two sides of left and right
Inside is equipped with motor 12, and the output shaft of motor 12 connect with 11 right end of screw rod, screw rod 11 equipped with nut 13,13 front end of nut and
The connection of 4 upper back of movable plate, 9 inside top of mechanical box are equipped with the second sliding rail 14, and slidingtype is equipped with second on the second sliding rail 14
It is connected at the top of sliding block 15,15 lower end of the second sliding block and movable plate 4.
Embodiment 2
A kind of quick blackboard cleaning device of education includes as shown in Figs. 1-2 blackboard body 1, the first sliding rail 2, first cunning
Block 3, movable plate 4, bolt 6, connecting plate 7, blackboard eraser 8, mechanical box 9, first bearing seat 10, screw rod 11, motor 12, nut 13,
Second sliding rail 14 and the second sliding block 15, the top and bottom of blackboard body 1 are inserted to be symmetrically arranged with the first sliding rail 2, on the first sliding rail 2
Slidingtype is equipped with the first sliding block 3, and 3 front end of the first sliding block of both up and down is equipped with movable plate 4, on 7 front side of movable plate 4 and connecting plate
It is symmetrically provided with threaded hole 5 down, bolt 6 is threadingly connected in the threaded hole 5 of two side of front and back, is equipped on the left of connecting plate 7
Blackboard eraser 8, the rear side of blackboard eraser 8 and 1 frontside contacts of blackboard body are equipped with mechanical box 9,2 top of the first sliding rail at the top of blackboard body 1
The left and right sides is symmetrically arranged with first bearing seat 10, is equipped with screw rod 11,9 right wall of mechanical box in the first bearing seat 10 of two sides of left and right
Inside is equipped with motor 12, and the output shaft of motor 12 connect with 11 right end of screw rod, screw rod 11 equipped with nut 13,13 front end of nut and
The connection of 4 upper back of movable plate, 9 inside top of mechanical box are equipped with the second sliding rail 14, and slidingtype is equipped with second on the second sliding rail 14
It is connected at the top of sliding block 15,15 lower end of the second sliding block and movable plate 4.
It further include having second bearing seat 16, first rotating shaft 17, runner 18, the first belt pulley 19,3rd bearing seat 20, second
Shaft 21, curtain 22, the second belt pulley 23 and flat belt 24,1 left lower of blackboard body is inserted to be equipped with second bearing seat 16,
First rotating shaft 17 is installed, 17 left end of first rotating shaft is equipped with runner 18, and the is equipped in the middle part of first rotating shaft 17 in second bearing seat 16
One belt pulley 19, between runner 18 and blackboard body 1, the 9 top left and right sides of mechanical box is symmetrically arranged with the first belt pulley 19
3rd bearing seat 20 controls and is equipped with the second shaft 21 on the 3rd bearing seat 20 of two sides, and volume has curtain 22 in the second shaft 21,
Second shaft, 21 left end is equipped with the second belt pulley 23, is wound with flat belt 24 on the second belt pulley 23 and the first belt pulley 19.
Embodiment 3
A kind of quick blackboard cleaning device of education includes as shown in Figs. 1-2 blackboard body 1, the first sliding rail 2, first cunning
Block 3, movable plate 4, bolt 6, connecting plate 7, blackboard eraser 8, mechanical box 9, first bearing seat 10, screw rod 11, motor 12, nut 13,
Second sliding rail 14 and the second sliding block 15, the top and bottom of blackboard body 1 are inserted to be symmetrically arranged with the first sliding rail 2, on the first sliding rail 2
Slidingtype is equipped with the first sliding block 3, and 3 front end of the first sliding block of both up and down is equipped with movable plate 4, on 7 front side of movable plate 4 and connecting plate
It is symmetrically provided with threaded hole 5 down, bolt 6 is threadingly connected in the threaded hole 5 of two side of front and back, is equipped on the left of connecting plate 7
Blackboard eraser 8, the rear side of blackboard eraser 8 and 1 frontside contacts of blackboard body are equipped with mechanical box 9,2 top of the first sliding rail at the top of blackboard body 1
The left and right sides is symmetrically arranged with first bearing seat 10, is equipped with screw rod 11,9 right wall of mechanical box in the first bearing seat 10 of two sides of left and right
Inside is equipped with motor 12, and the output shaft of motor 12 connect with 11 right end of screw rod, screw rod 11 equipped with nut 13,13 front end of nut and
The connection of 4 upper back of movable plate, 9 inside top of mechanical box are equipped with the second sliding rail 14, and slidingtype is equipped with second on the second sliding rail 14
It is connected at the top of sliding block 15,15 lower end of the second sliding block and movable plate 4.
It further include having second bearing seat 16, first rotating shaft 17, runner 18, the first belt pulley 19,3rd bearing seat 20, second
Shaft 21, curtain 22, the second belt pulley 23 and flat belt 24,1 left lower of blackboard body is inserted to be equipped with second bearing seat 16,
First rotating shaft 17 is installed, 17 left end of first rotating shaft is equipped with runner 18, and the is equipped in the middle part of first rotating shaft 17 in second bearing seat 16
One belt pulley 19, between runner 18 and blackboard body 1, the 9 top left and right sides of mechanical box is symmetrically arranged with the first belt pulley 19
3rd bearing seat 20 controls and is equipped with the second shaft 21 on the 3rd bearing seat 20 of two sides, and volume has curtain 22 in the second shaft 21,
Second shaft, 21 left end is equipped with the second belt pulley 23, is wound with flat belt 24 on the second belt pulley 23 and the first belt pulley 19.
It further include having installing frame 25, collecting box 26, handle 27 and web plate 28,1 bottom of blackboard body is equipped with installing frame 25, peace
The bottom in 25 that frames up is placed with collecting box 26, and 26 front side of collecting box is intermediate to be equipped with handle 27, is equipped with web plate 28 at the top of collecting box 26.
It is all to hold a blackboard eraser 8 to erase the board when people erase the board, it is possible thereby to this equipment be used, when people need
When erasing the board, people can star the rotation of 12 positive direction of motor, and the rotation of 12 positive direction of motor drives the rotation of 11 positive direction of screw rod, silk
The rotation of 11 positive direction of bar drives nut 13 to move right, and the second sliding rail 14 and the second sliding block 15 can do guiding fortune to nut 13
Dynamic, nut 13, which moves right, drives movable plate 4 to move right, and the first sliding rail 2 and the first sliding block 3 can be oriented to movable plate 4
Movement, movable plate 4, which moves right, drives bolt 6 to move right, and bolt 6, which moves right, drives connecting plate 7 to move right, connecting plate
7, which move right, drives blackboard eraser 8 to move right so that blackboard eraser 8 move right can rapid large-area erase the board, blackboard
Wipe 8 move right to suitable position after, people turn off motor 12, and when people need to dismantle blackboard eraser 8, people can be with
Manual positive direction rotating bolt 6,6 positive direction of bolt rotates so that bolt 6 moves forward, and bolt 6 moves forward to suitable position
After be no longer in threaded hole 5 so that people can disassemble blackboard eraser 8, since blackboard eraser 8 needs regular dismounting
Get off deashing, and this measure can facilitate people to carry out deashing to blackboard eraser 8, after people's clear complete ash, people's manual mobile connection again
Plate 7, then the threaded hole 5 of two side of front and back is corresponding, then bolt 6 is put into threaded hole 5 by people again, then manual opposite direction turns
Dynamic bolt 6,6 opposite direction of bolt rotate so that bolt 6 moves backward, and after bolt 6 moves backward to suitable position, people stop again
Rotating bolt 6, so that connecting plate 7 is capable of fixing.
Because further include have second bearing seat 16, first rotating shaft 17, runner 18, the first belt pulley 19,3rd bearing seat 20,
Second shaft 21, curtain 22, the second belt pulley 23 and flat belt 24,1 left lower of blackboard body is inserted to be equipped with second bearing
Seat 16, first rotating shaft 17 is equipped in second bearing seat 16, and 17 left end of first rotating shaft is equipped with runner 18, sets in the middle part of first rotating shaft 17
There is the first belt pulley 19, for the first belt pulley 19 between runner 18 and blackboard body 1, the 9 top left and right sides of mechanical box is symmetrical
Equipped with 3rd bearing seat 20, the second shaft 21 is installed on the 3rd bearing seat 20 of two sides of left and right, volume has curtain in the second shaft 21
Cloth 22,21 left end of the second shaft are equipped with the second belt pulley 23, are wound with flat belt 24 on the second belt pulley 23 and the first belt pulley 19,
So when people need using curtain 22, people can manual opposite direction rotating wheel 18, the rotation of 18 opposite direction of runner drives
The rotation of 17 opposite direction of first rotating shaft, the rotation of 17 opposite direction of first rotating shaft drive the rotation of 19 opposite direction of the first belt pulley, the first belt
It takes turns the rotation of 19 opposite directions and the rotation of 23 opposite direction of the second belt pulley is driven by flat belt 24,23 opposite direction of the second belt pulley rotates band
Dynamic second shaft, 21 opposite direction rotation, 21 opposite direction of the second shaft rotates so that curtain 22 is opened, and curtain 22 is opened to suitable journey
After degree, people stop operating runner 18 again, and when people need to pack up curtain 22, people can manual positive direction rotating wheel
18, the rotation of 18 positive direction of runner drives the rotation of 17 positive direction of first rotating shaft, and the rotation of 17 positive direction of first rotating shaft drives the first belt
The rotation of 19 positive directions is taken turns, the rotation of 19 positive direction of the first belt pulley drives the rotation of 23 positive direction of the second belt pulley by flat belt 24,
The rotation of second belt pulley, 23 positive direction drives the rotation of 21 positive direction of the second shaft, and 21 positive direction of the second shaft rotates so that curtain 22
It packs up, curtain 22 packs up rear people and stops operating again runner 18, so that people can be more convenient uses curtain 22.
Because further including having installing frame 25, collecting box 26, handle 27 and web plate 28,1 bottom of blackboard body is equipped with installing frame
25, bottom is placed with collecting box 26 in installing frame 25, and 26 front side of collecting box is intermediate to be equipped with handle 27, is equipped with net at the top of collecting box 26
Plate 28, so chalk dust can be fallen into collecting box 26 by web plate 28 when people are when erasing the board, so that collecting box 26
Chalk dust can be collected, chalk dust in collecting box 26 reach it is a certain amount of after, people can be either manually or by handle 27 by collecting box
26 take out, and reprocessing falls the chalk dust of collecting box 26, collecting box 26 are then put back to original position by handle 27 again, people are also
Chalk can be placed on web plate 28, be convenient for people to use chalk.
It should be understood that the embodiment is merely to illustrate the utility model rather than limitation the scope of the utility model.Furthermore
It should be understood that after reading the content taught by the present invention, those skilled in the art can make the utility model various
Change or modification, these equivalent forms also fall within the scope of the appended claims of the present application.
Claims (3)
1. a kind of quick blackboard cleaning device of education, which is characterized in that include blackboard body, the first sliding rail, the first sliding block, move
Movable plate, bolt, connecting plate, blackboard eraser, mechanical box, first bearing seat, screw rod, motor, nut, the second sliding rail and the second sliding block,
Inserted at the top and bottom of blackboard body to be symmetrically arranged with the first sliding rail, slidingtype is equipped with the first sliding block on the first sliding rail, and upper and lower two
First slip front of side is equipped with movable plate, symmetrical above and below on front side of movable plate and connecting plate to be provided with threaded hole, the spiral shell of two side of front and back
It is threadingly connected with bolt in pit, blackboard eraser is equipped on the left of connecting plate, is connect on rear side of blackboard eraser with blackboard body front side
Touching is equipped with mechanical box at the top of blackboard body, and the left and right sides is symmetrically arranged with first bearing seat at the top of the first sliding rail, and the of two sides of left and right
Screw rod is installed on one bearing block, is equipped with motor on the inside of mechanical right wall of box, the output shaft of motor is connect with screw rod right end, on screw rod
Equipped with nut, nut front end is connect with movable plate upper back, and mechanical box inside top is equipped with the second sliding rail, is slided on the second sliding rail
Dynamic formula is equipped with the second sliding block, connect at the top of the second sliding block lower end and movable plate.
2. a kind of quick blackboard cleaning device of education described in accordance with the claim 1, which is characterized in that further include having second bearing
Seat, first rotating shaft, runner, the first belt pulley, 3rd bearing seat, the second shaft, curtain, the second belt pulley and flat belt, blackboard
Ontology left lower is inserted to be equipped with second bearing seat, is equipped with first rotating shaft in second bearing seat, first rotating shaft left end is equipped with
Runner, first rotating shaft middle part are equipped with the first belt pulley, and the first belt pulley is between runner and blackboard body, mechanical box top left
Right two sides are symmetrically arranged with 3rd bearing seat, are equipped with the second shaft on the 3rd bearing seat of two sides of left and right, rolling up in the second shaft has
Curtain, the second shaft left end are equipped with the second belt pulley, are wound with flat belt on the second belt pulley and the first belt pulley.
3. the quick blackboard cleaning device of a kind of education according to claim 2, which is characterized in that further include have installing frame,
Collecting box, handle and web plate, blackboard body bottom are equipped with installing frame, and bottom is placed with collecting box, collecting box front side in installing frame
Centre is equipped with handle, is equipped with web plate at the top of collecting box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821188565.7U CN208896718U (en) | 2018-07-26 | 2018-07-26 | A kind of quick blackboard cleaning device of education |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821188565.7U CN208896718U (en) | 2018-07-26 | 2018-07-26 | A kind of quick blackboard cleaning device of education |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208896718U true CN208896718U (en) | 2019-05-24 |
Family
ID=66568053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821188565.7U Expired - Fee Related CN208896718U (en) | 2018-07-26 | 2018-07-26 | A kind of quick blackboard cleaning device of education |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208896718U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114176341A (en) * | 2021-11-25 | 2022-03-15 | 赣州昕叶文化传媒有限公司 | But environmental protection cyclic utilization's medical information display device |
-
2018
- 2018-07-26 CN CN201821188565.7U patent/CN208896718U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114176341A (en) * | 2021-11-25 | 2022-03-15 | 赣州昕叶文化传媒有限公司 | But environmental protection cyclic utilization's medical information display device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200902 Address after: Room j3556, 1 / F, building 1, 1185 Huyi highway, Jiading District, Shanghai, 201800 Patentee after: Shanghai Zijian Network Technology Co.,Ltd. Address before: Room 2f-076, 2nd floor, Lantian Bishui shopping plaza, 118 Qingshan South Road, Donghu District, Nanchang City, Jiangxi Province Patentee before: Li Longhao |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190524 Termination date: 20210726 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |