CN108099458A - A kind of self-action blackboard eraser for environmental protection - Google Patents
A kind of self-action blackboard eraser for environmental protection Download PDFInfo
- Publication number
- CN108099458A CN108099458A CN201711391126.6A CN201711391126A CN108099458A CN 108099458 A CN108099458 A CN 108099458A CN 201711391126 A CN201711391126 A CN 201711391126A CN 108099458 A CN108099458 A CN 108099458A
- Authority
- CN
- China
- Prior art keywords
- blackboard eraser
- hydraulic cylinder
- environmental protection
- self
- pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 230000007613 environmental effect Effects 0.000 title claims abstract description 33
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 14
- 238000010079 rubber tapping Methods 0.000 claims description 9
- 238000003466 welding Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000000428 dust Substances 0.000 description 21
- 238000004140 cleaning Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000036541 health Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000009527 percussion Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
Classifications
-
- 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
- Drawing Aids And Blackboards (AREA)
Abstract
The present invention relates to a kind of self-action blackboard eraser for environmental protection, including pedestal, second hydraulic cylinder, pull slot, the first in command and lower fulcrum bar, the bottom of the pedestal is fixed with cushion block, and the upper end of pedestal is provided with support column, the first hydraulic cylinder is provided with above the support column, and first the upper end of hydraulic cylinder be connected with head rod, second hydraulic cylinder is placed in the left end of head rod, and second the left end of hydraulic cylinder the first blackboard eraser is connected with by the second connecting rod, the bottom of first blackboard eraser is fixed with dust-receiving plate, and first pipe is provided with below dust-receiving plate, air pump is installed in the first pipe, and the bottom of first pipe is connected with second pipe, the pull slot is arranged at the lower section of second pipe.The beneficial effects of the invention are as follows：The self-action blackboard eraser for environmental protection, the first blackboard eraser can carry out the movement of upper-lower position by the drive of the first hydraulic cylinder, so as to automatically wipe up and down the writing on blackboard.
Description
Technical field
The present invention relates to environmental protecting device technical fields, are specially a kind of self-action blackboard eraser for environmental protection.
Background technology
Environmental protection (referred to as environmental protection) is in personal, tissue or government aspect, is protected certainly for the Nature and mankind's happiness
The behavior of right environment refers to the mankind to solve real or potential environmental problem, coordinates the relation of the mankind and environment, ensure economic society
Can sustainable development and the general name of various action taken, ways and means have engineering technology, administration, also have
It is law, economical, communication and education etc..Environmental protection is that the mankind protect national resource and it is made to obtain reasonably consciously
It utilizes, natural environment is prevented to be contaminated and destroy；Comprehensive improvement is carried out to the environment for being contaminated and destroying, to create
It is suitable for human lives, the environment of work, coordinates weather modification work, people is allowed to accomplish the concept got along with natural harmony,
Blackboard eraser is the writing on erasing blackboard, due to the often not enough environmental protection during use, endangers health.
Existing blackboard eraser the degree of automation is relatively low, it is impossible to which the convenient auto-erasing for carrying out orientation up and down is led
The process for causing erasing blackboard is complex, affects the efficiency of teaching, and the collecting effect of the dust generated in erase process
It is poor to cross, and dust can so be caused to influence the health of human body, and drop and be difficult to clear up on ground, it is impossible to according to using
Demand selection using blackboard eraser mode, it is not practical enough, and remaining dust is often difficult to drop on blackboard eraser, so leads
Cause the cleaning for blackboard eraser very troublesome.
The content of the invention
It is mentioned above in the background art to solve it is an object of the invention to provide a kind of self-action blackboard eraser for environmental protection
Existing blackboard eraser the degree of automation is relatively low, it is impossible to which the convenient auto-erasing for carrying out orientation up and down causes to wipe black
The process of plate is complex, affects the efficiency of teaching, and the collecting effect of the dust generated in erase process is excessively poor, so
Dust can be caused to influence the health of human body, and drop and be difficult to clear up on ground, it is impossible to be selected according to the demand used
The mode using blackboard eraser is selected, it is not practical enough, and also remaining dust is often difficult to drop on blackboard eraser, so causes for black
The problem of cleaning of blackboard eraser is very troublesome.
To achieve the above object, the present invention provides following technical solution：A kind of self-action blackboard eraser for environmental protection, the bottom of including
Seat, the second hydraulic cylinder, pull slot, the first in command and lower fulcrum bar, the bottom of the pedestal are fixed with cushion block, and the upper end of pedestal
Support column is provided with, the first hydraulic cylinder is provided with above the support column, and the upper end of the first hydraulic cylinder is connected with
One connecting rod, second hydraulic cylinder is placed in the left end of head rod, and the left end of the second hydraulic cylinder passes through second
Connecting rod is connected with the first blackboard eraser, and the bottom of first blackboard eraser is fixed with dust-receiving plate, and first is provided with below dust-receiving plate
Pipeline is equipped with air pump in the first pipe, and the bottom of first pipe is connected with second pipe, and the pull slot is arranged at
The lower section of second pipe, and the outer surface of pull slot is inlaid with observation panel, the first in command is arranged at the lower section of observation panel, institute
The left and right sides for stating the first blackboard eraser upper end is connected by rotation axis with tapping bar, and the bottom for tapping bar is fixed with percussion
Ball, the lower fulcrum bar is arranged at the centre position of the first blackboard eraser upper end, and the upper end of lower fulcrum bar passes through rotation axis and upper rack posts phase
Connection, the upper end of the upper rack posts is provided with housing, and the positioned inside of housing has the second blackboard eraser.
Preferably, second hydraulic cylinder forms lifting structure by head rod and the first hydraulic cylinder, and the
It is mutually perpendicular between two hydraulic cylinders and the first hydraulic cylinder.
Preferably, first blackboard eraser forms stretching structure, and the first plate by the second connecting rod and the second hydraulic cylinder
It wipes with being fixedly connected between the second connecting rod.
Preferably, through hole is inlaid on the dust-receiving plate, and through hole is constructed with being integrated of dust-receiving plate.
Preferably, the first pipe forms connectivity structure, and the first in command and pull by second pipe and pull slot
Connection mode between slot is welding.
Preferably, the inner wall for tapping bar is fixed with the 3rd hydraulic cylinder, and tap bar by the 3rd hydraulic cylinder with
Rotation axis forms rotational structure, and the slewing area for tapping bar is 0-45 °.
Preferably, the lower fulcrum bar forms rotational structure by rotation axis and upper rack posts, and its slewing area is 0-90 °,
It is to be fixedly connected between upper rack posts and housing.
Preferably, the back side of the housing is fixed with the second in command, and the connection mode between the second in command and housing is
Welding.
Preferably, to be flexibly connected between second blackboard eraser and housing, the second blackboard eraser is sponge material.
Compared with prior art, the beneficial effects of the invention are as follows：The self-action blackboard eraser for environmental protection, is provided with the first hydraulic pressure
Cylinder and the second hydraulic cylinder, the first blackboard eraser can carry out the movement of upper-lower position by the drive of the first hydraulic cylinder, so as to
Automatically the writing on blackboard is wiped up and down, while the first blackboard eraser can carry out a left side by the drive of the second hydraulic cylinder
The movement of right position so as to which automatically the writing on blackboard is wiped in left and right, avoids more manual operation, improves
The efficiency of teaching, the percussion bar of setting form rotational structure by the 3rd hydraulic cylinder and rotation axis, pass through the 3rd hydraulic cylinder
Drive can cause tap bar on rattle balls the first blackboard eraser is beaten so that remaining dust on the first blackboard eraser
It preferably falls, avoids the trouble to the cleaning of the first blackboard eraser, be provided with first pipe, it can powder by the effect of air pump
Dirt is drawn into first pipe, so as to the better of dust collection, avoid harm of the dust to human body, and pass through pumping
The pull of kerve can easily topple over dust therein, reduce the difficulty of cleaning, lower fulcrum bar by rotation axis with
Upper rack posts form rotational structure, the second blackboard eraser can be turned folding by the rotation of rotation axis, so as to meet not
Use demand in the case of, while the second blackboard eraser can be dismantled and used, and made choice, greatly improved according to use demand
The practicability of the self-action blackboard eraser for environmental protection with it is functional.
Description of the drawings
Fig. 1 is a kind of structure diagram of self-action blackboard eraser for environmental protection of the present invention；
Fig. 2 is partial enlargement structural representation at B in a kind of Fig. 1 of self-action blackboard eraser for environmental protection of the present invention；
Fig. 3 is partial enlargement structural representation at A in a kind of Fig. 1 of self-action blackboard eraser for environmental protection of the present invention；
Fig. 4 is a kind of dust-receiving plate overlooking the structure diagram of self-action blackboard eraser for environmental protection of the present invention；
Fig. 5 is a kind of backsight structural representation of the housing of self-action blackboard eraser for environmental protection of the present invention.
In figure：1st, pedestal, 2, cushion block, 3, support column, the 4, first hydraulic cylinder, 5, head rod, the 6, second hydraulic air
Cylinder, the 7, second connecting rod, the 8, first blackboard eraser, 9, dust-receiving plate, 10, first pipe, 11, air pump, 12, second pipe, 13, pull
Slot, 14, observation panel, 15, the first in command, 16, rotation axis, 17, tap bar, 18, rattle balls, 19, lower fulcrum bar, 20, upper rack posts,
21st, housing, the 22, second blackboard eraser, 23, rotation axis, the 24, the 3rd hydraulic cylinder, 25, through hole, 26, the second in command.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment belongs to the scope of protection of the invention.
- 5 are please referred to Fig.1, the present invention provides a kind of technical solution：A kind of self-action blackboard eraser for environmental protection, including pedestal 1,
Cushion block 2, support column 3, the first hydraulic cylinder 4, head rod 5, the second hydraulic cylinder 6, the second connecting rod 7, the first blackboard eraser 8,
Dust-receiving plate 9, first pipe 10, second pipe 12, pull slot 13, observation panel 14, the first in command 15, rotation axis 16, are struck air pump 11
Hit bar 17, rattle balls 18, lower fulcrum bar 19, upper rack posts 20, housing 21, the second blackboard eraser 22, rotation axis 23, the 3rd hydraulic cylinder 24,
Through hole 25 and the second in command 26, the bottom of pedestal 1 is fixed with cushion block 2, and the upper end of pedestal 1 is provided with support column 3, support column 3
Top be provided with the first hydraulic cylinder 4, and the upper end of the first hydraulic cylinder 4 is connected with head rod 5, the second hydraulic cylinder
6 are placed in the left end of head rod 5, and the left end of the second hydraulic cylinder 6 is connected with the first blackboard eraser 8 by the second connecting rod 7,
Second hydraulic cylinder 6 forms lifting structure, and the second hydraulic cylinder 6 and first by 5 and first hydraulic cylinder 4 of head rod
It being mutually perpendicular between hydraulic cylinder 4, the first blackboard eraser 8 can carry out the movement of upper-lower position by the drive of the first hydraulic cylinder 4,
So as to automatically wipe up and down the writing on blackboard, the first blackboard eraser 8 passes through the second connecting rod 7 and the second hydraulic cylinder 6
Stretching structure is formed, and to be fixedly connected between the first blackboard eraser 8 and the second connecting rod 7, the first blackboard eraser 8 passes through the second hydraulic cylinder
6 drive can carry out the movement of right position, so as to which automatically the writing on blackboard is wiped in left and right, avoid more
Manual operation, improve the efficiency of teaching, the bottom of the first blackboard eraser 8 is fixed with dust-receiving plate 9, and the lower section of dust-receiving plate 9 is set
There is first pipe 10, be inlaid with through hole 25 on dust-receiving plate 9, and through hole 25 is constructed with 9 being integrated of dust-receiving plate, guarantee dust can be with
It is fallen by through hole 25, air pump 11 is installed in first pipe 10, and the bottom of first pipe 10 is connected with second pipe 12, takes out
Kerve 13 is arranged at the lower section of second pipe 12, and the outer surface of pull slot 13 is inlaid with observation panel 14, and first pipe 10 passes through
Second pipe 12 forms connectivity structure with pull slot 13, and the connection mode between the first in command 15 and pull slot 13 is welding,
By the effect of air pump 11 can dust be drawn into first pipe 10, so as to the better of dust collection, avoid
Harm of the dust to human body, and by the pull of pull slot 13 easily dust therein can be toppled over, it reduces
The difficulty of cleaning, the first in command 15 are arranged at the lower section of observation panel 14, and the left and right sides of 8 upper end of the first blackboard eraser passes through rotation
Axis 16 is connected with tapping bar 17, and the bottom for tapping bar 17 is fixed with rattle balls 18, and the inner wall for tapping bar 17 is fixed with the 3rd
Hydraulic cylinder 24, and tap bar 17 and rotational structure is formed by the 3rd hydraulic cylinder 24 and rotation axis 16, and tap turning for bar 17
Dynamic scope is 0-45 °, and rattle balls 18 on bar 17 can be tapped to the first blackboard eraser 8 by the drive of the 3rd hydraulic cylinder 24
It is beaten, so that remaining dust is preferably fallen on the first blackboard eraser 8, avoids the trouble to the cleaning of the first blackboard eraser 8,
Lower fulcrum bar 19 is arranged at the centre position of 8 upper end of the first blackboard eraser, and the upper end of lower fulcrum bar 19 passes through rotation axis 23 and upper rack posts 20
It is connected, lower fulcrum bar 19 forms rotational structure by rotation axis 23 and upper rack posts 20, and its slewing area is 0-90 °, upper rack posts
It is to be fixedly connected between 20 and housing 21, second blackboard eraser 22 can be turned folding by the rotation of rotation axis 23, so as to
The use demand under different situations can be met, the upper end of upper rack posts 20 is provided with housing 21, and the positioned inside of housing 21 has
Second blackboard eraser 22, the back side of housing 21 is fixed with the second in command 26, and the connection mode between the second in command 26 and housing 21 is
Welding, to be flexibly connected between the second blackboard eraser 22 and housing 21, the second blackboard eraser 22 is sponge material, and the second blackboard eraser 22 can be dismantled
It is used, is made choice according to use demand, substantially increase the practicability and functionality of the self-action blackboard eraser for environmental protection.
The operation principle of the present embodiment：The self-action blackboard eraser for environmental protection, the first blackboard eraser 8 pass through the first hydraulic cylinder 4
The movement of upper-lower position can be carried out by driving, so as to automatically wipe up and down the writing on blackboard, while the first blackboard eraser 8
The movement of right position can be carried out by the drive of the second hydraulic cylinder 6, so as to automatically left and right to the writing on blackboard into
Row erasing, avoids more manual operation, improves the efficiency of teaching, can by the drive of the 3rd hydraulic cylinder 24
The rattle balls 18 tapped on bar 17 beat the first blackboard eraser 8, so that remaining dust preferably falls on the first blackboard eraser 8
Under, by the effect of air pump 11 can dust be drawn into first pipe 10, so as to the better of dust collection, keep away
Harm of the dust to human body is exempted from, and easily dust therein can have been toppled over by the pull of pull slot 13, dropped
The difficulty of low cleaning, can turn folding the second blackboard eraser 22 by the rotation of rotation axis 23, so as to meet not
Use demand in the case of, while the second blackboard eraser 22 can be dismantled and used, and be made choice according to use demand, here it is
The operation principle of the self-action blackboard eraser for environmental protection.
Although the present invention is described in detail with reference to the foregoing embodiments, for those skilled in the art,
It still can modify to the technical solution recorded in foregoing embodiments or which part technical characteristic is carried out etc.
With replacing, within the spirit and principles of the invention, any modifications, equivalent replacements and improvements are made should be included in this
Within the protection domain of invention.
Claims (9)
1. a kind of self-action blackboard eraser for environmental protection, including pedestal (1), the second hydraulic cylinder (6), pull slot (13), the first in command
(15) and lower fulcrum bar (19), it is characterised in that：The bottom of the pedestal (1) is fixed with cushion block (2), and the upper end of pedestal (1) is set
Support column (3) is equipped with, the first hydraulic cylinder (4) is provided with above the support column (3), and the first hydraulic cylinder (4) is upper
End is connected with head rod (5), and second hydraulic cylinder (6) is placed in the left end of head rod (5), and the second hydraulic pressure
The left end of cylinder (6) is connected with the first blackboard eraser (8) by the second connecting rod (7), and the bottom of first blackboard eraser (8), which is fixed with, to be connect
Dirt plate (9), and first pipe (10) is provided with below dust-receiving plate (9), air pump (11) is installed on the first pipe (10),
And the bottom of first pipe (10) is connected with second pipe (12), the pull slot (13) is arranged under second pipe (12)
Side, and the outer surface of pull slot (13) is inlaid with observation panel (14), the first in command (15) is arranged under observation panel (14)
Side, the left and right sides of the first blackboard eraser (8) upper end is connected by rotation axis (16) with tapping bar (17), and taps bar
(17) bottom is fixed with rattle balls (18), and the lower fulcrum bar (19) is arranged at the centre position of the first blackboard eraser (8) upper end, and under
The upper end of strut (19) is connected by rotation axis (23) with upper rack posts (20), and the upper end of the upper rack posts (20) is provided with housing
(21), and the positioned inside of housing (21) has the second blackboard eraser (22).
2. a kind of self-action blackboard eraser for environmental protection according to claim 1, it is characterised in that：Second hydraulic cylinder
(6) lifting structure, and the second hydraulic cylinder (6) and the first hydraulic pressure are formed by head rod (5) and the first hydraulic cylinder (4)
Cylinder is mutually perpendicular between (4).
3. a kind of self-action blackboard eraser for environmental protection according to claim 1, it is characterised in that：First blackboard eraser (8) is logical
It crosses the second connecting rod (7) and forms stretching structure with the second hydraulic cylinder (6), and between the first blackboard eraser (8) and the second connecting rod (7)
To be fixedly connected.
4. a kind of self-action blackboard eraser for environmental protection according to claim 1, it is characterised in that：It is inlayed on the dust-receiving plate (9)
Embedded with through hole (25), and through hole (25) is constructed with dust-receiving plate (9) being integrated.
5. a kind of self-action blackboard eraser for environmental protection according to claim 1, it is characterised in that：The first pipe (10) is logical
It crosses second pipe (12) and forms connectivity structure, and the connection side between the first in command (15) and pull slot (13) with pull slot (13)
Formula is welding.
6. a kind of self-action blackboard eraser for environmental protection according to claim 1, it is characterised in that：It is described to tap the interior of bar (17)
Wall is fixed with the 3rd hydraulic cylinder (24), and taps bar (17) and form rotation by the 3rd hydraulic cylinder (24) and rotation axis (16)
Structure, and the slewing area for tapping bar (17) is 0-45 °.
7. a kind of self-action blackboard eraser for environmental protection according to claim 1, it is characterised in that：The lower fulcrum bar (19) passes through
Rotation axis (23) and upper rack posts (20) form rotational structure, and its slewing area is 0-90 °, upper rack posts (20) and housing (21) it
Between to be fixedly connected.
8. a kind of self-action blackboard eraser for environmental protection according to claim 1, it is characterised in that：The back side of the housing (21)
The second in command (26) is fixed with, and the connection mode between the second in command (26) and housing (21) is welding.
9. a kind of self-action blackboard eraser for environmental protection according to claim 1, it is characterised in that：Second blackboard eraser (22) with
It is flexible connection between housing (21), the second blackboard eraser (22) is sponge material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711391126.6A CN108099458B (en) | 2017-12-21 | 2017-12-21 | A kind of self-action blackboard eraser for environmental protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711391126.6A CN108099458B (en) | 2017-12-21 | 2017-12-21 | A kind of self-action blackboard eraser for environmental protection |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108099458A true CN108099458A (en) | 2018-06-01 |
| CN108099458B CN108099458B (en) | 2019-05-10 |
Family
ID=62211623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711391126.6A Active CN108099458B (en) | 2017-12-21 | 2017-12-21 | A kind of self-action blackboard eraser for environmental protection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108099458B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109017072A (en) * | 2018-08-10 | 2018-12-18 | 孙冉冉 | A kind of education easy to use blackboard cleaning plant |
| CN109188877A (en) * | 2018-10-16 | 2019-01-11 | 管冰倩 | A kind of laser printer print cartridge ink powder special automated processing system |
| CN109298614A (en) * | 2018-10-16 | 2019-02-01 | 管冰倩 | Ink powder rapidly and efficiently separation equipment in a kind of laser printer print cartridge |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110162163A1 (en) * | 2010-01-07 | 2011-07-07 | National Central University | Apparatus Erasing Blackboard through Areas |
| CN203157524U (en) * | 2013-04-11 | 2013-08-28 | 高忠青 | Sponge blackboard eraser |
| CN204749660U (en) * | 2015-04-21 | 2015-11-11 | 徐建平 | Blackboard eraser for teaching |
| CN106004171A (en) * | 2016-07-02 | 2016-10-12 | 深圳市中幼国际教育科技有限公司 | Teaching blackboard capable of automatically wiping dust |
| CN106379090A (en) * | 2016-09-12 | 2017-02-08 | 芜湖能盟信息技术有限公司 | Blackboard eraser |
| CN206426719U (en) * | 2016-12-31 | 2017-08-22 | 张峰 | Facilitate the multi-functional blackboard of mathematical education |
-
2017
- 2017-12-21 CN CN201711391126.6A patent/CN108099458B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110162163A1 (en) * | 2010-01-07 | 2011-07-07 | National Central University | Apparatus Erasing Blackboard through Areas |
| CN203157524U (en) * | 2013-04-11 | 2013-08-28 | 高忠青 | Sponge blackboard eraser |
| CN204749660U (en) * | 2015-04-21 | 2015-11-11 | 徐建平 | Blackboard eraser for teaching |
| CN106004171A (en) * | 2016-07-02 | 2016-10-12 | 深圳市中幼国际教育科技有限公司 | Teaching blackboard capable of automatically wiping dust |
| CN106379090A (en) * | 2016-09-12 | 2017-02-08 | 芜湖能盟信息技术有限公司 | Blackboard eraser |
| CN206426719U (en) * | 2016-12-31 | 2017-08-22 | 张峰 | Facilitate the multi-functional blackboard of mathematical education |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109017072A (en) * | 2018-08-10 | 2018-12-18 | 孙冉冉 | A kind of education easy to use blackboard cleaning plant |
| CN109188877A (en) * | 2018-10-16 | 2019-01-11 | 管冰倩 | A kind of laser printer print cartridge ink powder special automated processing system |
| CN109298614A (en) * | 2018-10-16 | 2019-02-01 | 管冰倩 | Ink powder rapidly and efficiently separation equipment in a kind of laser printer print cartridge |
| CN109298614B (en) * | 2018-10-16 | 2021-02-02 | 济南蓝海印刷有限公司 | Quick and efficient separation equipment for powdered ink in ink box of laser printer |
| CN109188877B (en) * | 2018-10-16 | 2021-03-12 | 北京辰光融信技术有限公司 | Special powdered ink automatic processing system of laser printer ink horn |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108099458B (en) | 2019-05-10 |
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Effective date of registration: 20190415 Address after: 325106 Butou Village, Qiaoxia Town, Yongjia County, Wenzhou City, Zhejiang Province Applicant after: Beiwang Group Co., Ltd. Address before: 312580 No. 38 Xinzhuang, Xishan Village, Juzhen, Xinchang County, Shaoxing City, Zhejiang Province Applicant before: Shi Chunyan |
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Denomination of invention: An automatic environmental protection blackboard eraser Effective date of registration: 20210910 Granted publication date: 20190510 Pledgee: China Co. truction Bank Corp Yongjia branch Pledgor: Beiwang Group Co.,Ltd. Registration number: Y2021330001494 |