CN202826896U - Dustproof blackboard eraser - Google Patents
Dustproof blackboard eraser Download PDFInfo
- Publication number
- CN202826896U CN202826896U CN 201220440725 CN201220440725U CN202826896U CN 202826896 U CN202826896 U CN 202826896U CN 201220440725 CN201220440725 CN 201220440725 CN 201220440725 U CN201220440725 U CN 201220440725U CN 202826896 U CN202826896 U CN 202826896U
- Authority
- CN
- China
- Prior art keywords
- blackboard eraser
- dust
- utility
- dustproof
- model
- 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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- Drawing Aids And Blackboards (AREA)
Abstract
The utility model relates to a teaching appliance, in particular to a dustproof blackboard eraser. The dustproof blackboard eraser comprises a blackboard eraser body and is characterized in that a dust extraction device and a dust collection box are arranged in the blackboard eraser, hairbrushes and dust extraction holes evenly distributed among the hairbrushes are arranged on the bottom portion of the blackboard eraser, and a switch controlling the dust extraction device is arranged on one side of the blackboard eraser. Thus the dustproof blackboard eraser has the advantages of being simple in structure, convenient, practical and capable of avoiding flying about of dust and keeping environment clean.
Description
(1) technical field
The utility model relates to a kind of teaching aid, particularly a kind of dust-proof blackboard eraser.
(2) background technology
In break, need the cleaning blackboard for the class teacher's that is abandoned or divorced by one's husband explanation, but existing blackboard eraser does not generally all have dust guard, causes dust from flying, causes the pollution of indoor environment, when more serious, can affect healthy.
(3) summary of the invention
The utility model provides a kind of simple in structure, convenient and practical dust-proof blackboard eraser in order to remedy the deficiencies in the prior art.
The utility model is achieved by the following technical solution:
A kind of dust-proof blackboard eraser comprises the blackboard eraser body, it is characterized in that: described blackboard eraser inside is provided with dust exhaust apparatus and dust-collecting box, and blackboard eraser bottom is provided with hairbrush and is uniformly distributed in air suction opening between the hairbrush, and blackboard eraser one side is provided with the switch of control dust exhaust apparatus.
Therefore, the beneficial effects of the utility model are: this dust-proof blackboard eraser, and simple in structure, convenient and practical, can prevent dust from flying, keep clean environment.
(4) description of drawings
Below in conjunction with accompanying drawing the utility model is further described.
Accompanying drawing 1 is structural representation of the present utility model.Among the figure, 1 blackboard eraser, 2 dust exhaust apparatuses, 3 dust-collecting boxes, 4 air suction openings, 5 hairbrush.
(5) specific embodiment
Accompanying drawing is a kind of specific embodiment of the present utility model.This embodiment comprises blackboard eraser 1 body, it is characterized in that: described blackboard eraser 1 inside is provided with dust exhaust apparatus 2 and dust-collecting box 3, and blackboard eraser 1 bottom is provided with hairbrush 5 and is uniformly distributed in air suction opening 4 between the hairbrush 5, and blackboard eraser 1 one sides are provided with the switch of control dust exhaust apparatus 2.
Adopt dust-proof blackboard eraser of the present utility model, when using hairbrush 5 to erase the board, Push switch makes the dust exhaust apparatus 2 of blackboard eraser 1 inside by air suction opening 4 dust is drawn in the dust-collecting box 3, and dust is no longer disorderly flown, and keeps clean environment.Therefore, the beneficial effects of the utility model are: this dust-proof blackboard eraser, and simple in structure, convenient and practical, can prevent dust from flying, keep clean environment.
Claims (1)
1. dust-proof blackboard eraser, comprise blackboard eraser (1) body, it is characterized in that: described blackboard eraser (1) inside is provided with dust exhaust apparatus (2) and dust-collecting box (3), blackboard eraser (1) bottom is provided with hairbrush (5) and is uniformly distributed in air suction opening (4) between the hairbrush (5), and blackboard eraser (1) one side is provided with the switch of controlling dust exhaust apparatus (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220440725 CN202826896U (en) | 2012-08-31 | 2012-08-31 | Dustproof blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220440725 CN202826896U (en) | 2012-08-31 | 2012-08-31 | Dustproof blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202826896U true CN202826896U (en) | 2013-03-27 |
Family
ID=47938670
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220440725 Expired - Fee Related CN202826896U (en) | 2012-08-31 | 2012-08-31 | Dustproof blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202826896U (en) |
-
2012
- 2012-08-31 CN CN 201220440725 patent/CN202826896U/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: 20130327 Termination date: 20130831 |