CN201140636Y - Dustfree electric blackboard eraser - Google Patents
Dustfree electric blackboard eraser Download PDFInfo
- Publication number
- CN201140636Y CN201140636Y CNU2007201870568U CN200720187056U CN201140636Y CN 201140636 Y CN201140636 Y CN 201140636Y CN U2007201870568 U CNU2007201870568 U CN U2007201870568U CN 200720187056 U CN200720187056 U CN 200720187056U CN 201140636 Y CN201140636 Y CN 201140636Y
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- CN
- China
- Prior art keywords
- blackboard eraser
- dust
- motor
- electric blackboard
- utility
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a chalk eraser, which aims at providing a dust-free electric blackboard eraser. The dust-free electric blackboard eraser comprises a scrape body 1 which is made of flannelette and a hand-held scrape plate, the scrape body 1 is connected with a rotation motor 2, the hand-held scrape plate is a hollow structure, which is respectively divided into a dust-absorbing room 5, a dust-receiving room 6 and a motor room 7 which are connected by a baffle board 3 and a filter screen 4, and a motor 8 with a suction impeller is arranged in the motor room 7. The dust-free electric blackboard eraser of the utility model is driven by a motor to clean and absorb dust, which is labor-saving and environment-friendly.
Description
Technical field
The utility model relates to a kind of chalkboard eraser, more particularly, is a kind of dustless electric blackboard eraser.
Background technology
School instruction often uses blackboard and blackboard eraser, during the letter written with chalk of ordinary blackboard eraser on wiping blackboard, makes chalk dust along with moving in air of blackboard eraser flown upward easily everywhere, and both contaminated environment was detrimental to health again.Teacher for the work of being engaged in teaching for a long time accumulates over a long period, and chalk dust can deposit in human respiratory, causes occupational disease; For the student who is sitting in the former rows in classroom, the chalk dust that flies upward also causes adverse effect to their health easily.Also have, ordinary blackboard eraser need for weak teacher or student, also have certain working strength with difficultly wiping back and forth of manpower.
The utility model content
The purpose of this utility model is to overcome deficiency of the prior art, and a kind of dustless electric blackboard eraser of laborsaving environmental protection again is provided.
In order to solve the problems of the technologies described above, the utility model is achieved by the following technical programs.
A kind of dustless electric blackboard eraser comprises the rub body 1 that flannelette is done and holds wiping board that described rub body 1 links to each other with electric rotating machine 2; The described wiping board of holding is a hollow-core construction, is separated into dust suction chamber 5,7 three spaces that link to each other in laying dust chamber 6 and motor room by dividing plate 3, filter screen 4 respectively; Be provided with the motor 8 of band suction impeller in the described motor room 7.
As a kind of preferred, but the bottom of described laying dust chamber 6 is provided with the lid 9 of folding.
As a kind of preferred, also centering on all around of described rub body 1 is provided with bristle 10.
Dustless electric blackboard eraser of the present utility model, flannelette rub body 1 relies on the drive of motor 2, is rotating the letter written with chalk on the blackboard wiping, and is convenient and swift; All around around bristle 10 shelters from the chalk dust that flies upward and does not make it to leak; Motor 8 in the motor room 7 produces inner suctions, is drawn to and makes it deposition in the laying dust chamber 6 flying upward chalk dust in dust suction chamber 5, and uncap 9 just can remove the chalk dust that accumulates.
Description of drawings
Fig. 1 is the schematic diagram of a kind of specific embodiment of the present utility model.
The specific embodiment
In conjunction with the accompanying drawings, below the utility model is described in further detail.
Dustless electric blackboard eraser of the present utility model comprises the rub body 1 that flannelette is done and holds wiping board that rub body 1 links to each other with electric rotating machine 2; Holding wiping board is hollow-core construction, is separated into dust suction chamber 5,7 three spaces that link to each other in laying dust chamber 6 and motor room by dividing plate 3, filter screen 4 respectively; Be provided with the motor 8 of band suction impeller in the motor room 7; But the bottom of laying dust chamber 6 is provided with the lid 9 of folding; Also center on around the rub body 1 and be provided with bristle 10.
At last, it is also to be noted that what more than enumerate only is specific embodiment of the present utility model.Obviously, the utility model is not limited to above examples of implementation, and many distortion can also be arranged.All distortion that those of ordinary skill in the art can directly derive or associate from the disclosed content of the utility model all should be thought protection domain of the present utility model.
Claims (3)
1. a dustless electric blackboard eraser comprises the rub body (1) that flannelette is done and holds wiping board, and it is characterized in that, described rub body (1) links to each other with electric rotating machine (2); The described wiping board of holding is a hollow-core construction, is separated into dust suction chamber (5), (7) three spaces that link to each other in laying dust chamber (6) and motor room by dividing plate (3), filter screen (4) respectively; Be provided with the motor (8) of band suction impeller in the described motor room (7).
2. dustless electric blackboard eraser according to claim 1 is characterized in that, described laying dust chamber (6) but the bottom be provided with the lid (9) of folding.
3. dustless electric blackboard eraser according to claim 1 and 2 is characterized in that, also centers on around the described rub body (1) to be provided with bristle (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201870568U CN201140636Y (en) | 2007-12-29 | 2007-12-29 | Dustfree electric blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201870568U CN201140636Y (en) | 2007-12-29 | 2007-12-29 | Dustfree electric blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201140636Y true CN201140636Y (en) | 2008-10-29 |
Family
ID=40068350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201870568U Expired - Fee Related CN201140636Y (en) | 2007-12-29 | 2007-12-29 | Dustfree electric blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201140636Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101817009A (en) * | 2009-02-26 | 2010-09-01 | 胡先松 | Automatic dust cleaner for blackboard eraser |
-
2007
- 2007-12-29 CN CNU2007201870568U patent/CN201140636Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101817009A (en) * | 2009-02-26 | 2010-09-01 | 胡先松 | Automatic dust cleaner for blackboard eraser |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081029 Termination date: 20100129 |