CN202011283U - Sanitary dust absorption chalkboard eraser - Google Patents
Sanitary dust absorption chalkboard eraser Download PDFInfo
- Publication number
- CN202011283U CN202011283U CN2011200623381U CN201120062338U CN202011283U CN 202011283 U CN202011283 U CN 202011283U CN 2011200623381 U CN2011200623381 U CN 2011200623381U CN 201120062338 U CN201120062338 U CN 201120062338U CN 202011283 U CN202011283 U CN 202011283U
- Authority
- CN
- China
- Prior art keywords
- chalkboard eraser
- pipeline
- eraser
- blackboard eraser
- dust
- 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
Links
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- Drawing Aids And Blackboards (AREA)
Abstract
The utility model relates to the technical field of teaching tool, in particular to a sanitary dust absorption chalkboard eraser comprising a chalkboard eraser; a pipeline is installed on a lower part of the chalkboard eraser; the other end of the pipeline is connected with a dust collector; the dust collector is provided with a powder storage box; covers are installed around the chalkboard eraser; a plurality of small holes are installed on an internal surface of the chalkboard eraser and distributed on the internal surface of the chalkboard eraser evenly; and each small hole communicates with the pipeline. The chalkboard eraser is rational in structure design, convenient in operation, basically controls pollution problem of chalk dusts and provides good teaching and leaning environments to teachers and students.
Description
Technical field
The utility model relates to the teaching aid technical field, especially a kind of health dust suction chalkboard eraser.
Background technology
Chalk is widely used in the daily teaching, but the dust that chalk causes is big for environment pollution, can produce harmful effect to health after the suction, but Faculty and Students can be in the environment that is full of dust for a long time, the environment in classroom also has influence on healthy not only bad for study.
The utility model content
The purpose of this utility model is to design a kind of clean hygiene for addressing the above problem, convenient and practical health dust suction chalkboard eraser.
The technical scheme that the utility model technical solution problem adopts is: a kind of health dust suction chalkboard eraser, comprise blackboard eraser, and the bottom of described blackboard eraser is equipped with pipeline, and the other end of pipeline is connected with dust catcher, and the storage powder box is installed on the described dust catcher.
Be provided with cover body around the described blackboard eraser.
The inner surface of described blackboard eraser is provided with a plurality of apertures, is evenly distributed on the inner surface of blackboard eraser, and described each aperture and pipeline are communicated with.
The beneficial effect that the utility model had is:
The utility model reasonable in design, easy to operate, can basic controlling chalk dust pollution problems, for the academics and students provides good teaching and academic environment.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the structural representation of blackboard eraser.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is done following detailed description.
As shown in the figure, the utility model comprises blackboard eraser 1, the bottom of described blackboard eraser 1 is equipped with pipeline 3, the other end of pipeline 3 is connected with dust catcher 4, storage powder box 5 is installed on the described dust catcher 4, be provided with cover body 2 around the described blackboard eraser 1, the inner surface of described blackboard eraser 1 is provided with a plurality of apertures 6, is evenly distributed on the inner surface of blackboard eraser 1, described each aperture 6 and pipeline 3 are communicated with, when using the utility model, open dust catcher earlier, when erasing the board, dust catcher siphons away chalk dust by aperture and pipeline, chalk dust just stores in the storage powder box like this, thereby has avoided in the classroom dust disorderly to fly, for Faculty and Students provide the better learning environment.
Claims (3)
1. health dust suction chalkboard eraser, it is characterized in that: comprise blackboard eraser, the bottom of described blackboard eraser is equipped with pipeline, and the other end of pipeline is connected with dust catcher, and the storage powder box is installed on the described dust catcher.
2. a kind of health dust suction chalkboard eraser according to claim 1 is characterized in that: be provided with cover body around the described blackboard eraser.
3. a kind of health dust suction chalkboard eraser according to claim 1, it is characterized in that: the inner surface of described blackboard eraser is provided with a plurality of apertures, is evenly distributed on the inner surface of blackboard eraser, and described each aperture and pipeline are communicated with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200623381U CN202011283U (en) | 2011-03-05 | 2011-03-05 | Sanitary dust absorption chalkboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200623381U CN202011283U (en) | 2011-03-05 | 2011-03-05 | Sanitary dust absorption chalkboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202011283U true CN202011283U (en) | 2011-10-19 |
Family
ID=44781891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200623381U Expired - Fee Related CN202011283U (en) | 2011-03-05 | 2011-03-05 | Sanitary dust absorption chalkboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202011283U (en) |
-
2011
- 2011-03-05 CN CN2011200623381U patent/CN202011283U/en not_active Expired - Fee Related
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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: 20111019 Termination date: 20120305 |