CN202641180U - Dust absorption blackboard eraser - Google Patents
Dust absorption blackboard eraser Download PDFInfo
- Publication number
- CN202641180U CN202641180U CN 201220197907 CN201220197907U CN202641180U CN 202641180 U CN202641180 U CN 202641180U CN 201220197907 CN201220197907 CN 201220197907 CN 201220197907 U CN201220197907 U CN 201220197907U CN 202641180 U CN202641180 U CN 202641180U
- Authority
- CN
- China
- Prior art keywords
- dust
- blackboard eraser
- absorption blackboard
- dust absorption
- plate body
- 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 belongs to the field of teaching supplies, and particularly discloses a dust absorption blackboard eraser which comprises a board body with cleaning hair. The dust absorption blackboard eraser is characterized in that a dust collector is arranged along the outside of the cleaning hair in surrounding mode, and a storing space connected with the dust collector is arranged in the board body. The dust absorption blackboard eraser is simple in structure, convenient to use, reasonable in design, flexible to use and capable of effectively preventing dust from flying, ensures health of teachers and students, purifies the study environment and is suitable for wide popularization and application.
Description
(1) technical field
The utility model belongs to the teaching aid field, particularly a kind of dust absorption blackboard eraser.
(2) background technology
Chalk and blackboard eraser are the essential tool of class-teaching of teacher, during with blackboard eraser wiping chalk word, chalk dust flies upward everywhere, stain the article such as clothing, desk, books of Faculty and Students, have a strong impact on the environmental sanitation in classroom, bring no small harm for the physical and mental health of Faculty and Students, the appearance of dust-free chalk has well solved this problem.The letter written with chalk of writing with dust-free chalk, chalk dust can not fly upward everywhere when wiping with blackboard eraser, but can be bonded on the blackboard eraser, in the time will clapping the chalk dust of adhering on the blackboard eraser, chalk dust can fly upward equally everywhere, on teacher's the dais and lectern, a thick layer of chalk dust is often arranged, the teacher's that all may make dirty at any time clothes and the books that are placed on the lectern.
(3) summary of the invention
The utility model provides a kind of dust absorption blackboard eraser simple in structure, easy to use in order to remedy the deficiencies in the prior art.
The utility model is achieved by the following technical solution:
A kind of dust absorption blackboard eraser comprises the plate body that is provided with snag, it is characterized in that: described plate body is surrounded with dust catcher along the snag outside, and plate body inside is provided with the collection space that connects dust catcher.
The utility model around the snag arranged outside, is convenient in time absorb the chalk dust that falls in the snag with dust catcher, and collection space is covered up the chalk dust that dust catcher absorbs, and is convenient to unified the processing, prevents from polluting surrounding environment.
More excellent scheme of the present utility model is:
Be provided with the switch of control dust catcher on the described plate body, be convenient to the dust catcher of applying in a flexible way, dilution dust suction environment purification.
Be provided with the liberation port that is communicated with collection space on the described plate body side, so that the dust of collecting is processed in unification, reach the purpose of timely cleaning.
The utility model is simple in structure, and is easy to use, reasonable in design, and applying flexible can effectively stop dust from flying, guarantees that teachers and students are healthy, purifies academic environment, is suitable for wide popularization and application.
(4) description of drawings
Below in conjunction with accompanying drawing the utility model is further described.
Fig. 1 is structural representation of the present utility model.
Among the figure, 1 snag, 2 plate bodys, 3 dust catchers, 4 collection spaces, 5 switches, 6 liberation ports.
(5) specific embodiment
Accompanying drawing is a kind of specific embodiment of the present utility model.This embodiment comprises the plate body 2 that is provided with snag 1, and described plate body 2 is surrounded with dust catcher 3 along snag 1 outside, and plate body 2 inside are provided with the collection space 4 that connects dust catcher 3; Be provided with the switch 5 of control dust catcher 3 on the described plate body 2; Be provided with the liberation port 6 that is communicated with collection space 4 on described plate body 2 sides.
When erasing the board, open dust catcher 3 by switch 5, the chalk dust under snag 1 is wiped is absorbed into collection space 4 by the dust catcher around snag 1, prevents that effectively dust from flying upward everywhere, purifies classroom environment.
Blackboard eraser is opened the liberation port 6 on the plate body 2 after using a period of time, processes the chalk dust in the collection space 4 is unified, uses in order to continue after cleaning is good.
Claims (3)
1. dust absorption blackboard eraser, comprise the plate body (2) that is provided with snag (1), it is characterized in that: described plate body (2) is surrounded with dust catcher (3) along snag (1) outside, and plate body (2) inside is provided with the collection space (4) that connects dust catcher (3).
2. dust absorption blackboard eraser according to claim 1 is characterized in that: the switch (5) that is provided with control dust catcher (3) on the described plate body (2).
3. dust absorption blackboard eraser according to claim 1 is characterized in that: be provided with the liberation port (6) that is communicated with collection space (4) on described plate body (2) side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220197907 CN202641180U (en) | 2012-05-05 | 2012-05-05 | Dust absorption blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220197907 CN202641180U (en) | 2012-05-05 | 2012-05-05 | Dust absorption blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202641180U true CN202641180U (en) | 2013-01-02 |
Family
ID=47410337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220197907 Expired - Fee Related CN202641180U (en) | 2012-05-05 | 2012-05-05 | Dust absorption blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202641180U (en) |
-
2012
- 2012-05-05 CN CN 201220197907 patent/CN202641180U/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: 20130102 Termination date: 20130505 |