CN201544636U - Blackboard erased in a rolling manner - Google Patents
Blackboard erased in a rolling manner Download PDFInfo
- Publication number
- CN201544636U CN201544636U CN2009202299012U CN200920229901U CN201544636U CN 201544636 U CN201544636 U CN 201544636U CN 2009202299012 U CN2009202299012 U CN 2009202299012U CN 200920229901 U CN200920229901 U CN 200920229901U CN 201544636 U CN201544636 U CN 201544636U
- Authority
- CN
- China
- Prior art keywords
- blackboard
- sides
- utility
- model
- erased
- 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 blackboard erased in a rolling manner. The blackboard comprises a blackboard body, and is characterized in that the blackboard further comprises a blackboard eraser; sliding grooves are formed on two sides of the blackboard body; and rollers arranged on two edges on the inner side of the blackboard eraser are matched with the sliding grooves on two sides of the blackboard body. The utility model has the benefits of simple structure and convenient use, greatly reduces harm of chalk dust on students and teachers, and protects health of people.
Description
Technical field
The utility model relates to the blackboard that a kind of rolling is wiped.
Background technology
Existing blackboard eraser when erasing the board, always flies chalk dust all over the sky, is sitting in the classmate near blackboard, will often suck a large amount of chalk dusts, and health is had a significant impact.
Summary of the invention
Problem to be solved in the utility model provides the blackboard that a kind of rolling is wiped, and when erasing the board, chalk dust can not fly upward everywhere.
The utility model is that the solution that problem adopts of the above-mentioned proposition of solution is: the blackboard that rolls and wipe, include the blackboard body, it is characterized in that also including a blackboard eraser, described blackboard body both sides are provided with sliding tray, the inboard both sides of blackboard eraser be provided with roller and with the sliding tray phase configuration of blackboard body both sides.
The beneficial effects of the utility model are:
The utility model is simple in structure, and is easy to use, significantly reduces the injury of chalk dust to classmate and teachers, protected our health.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is described in further detail.
Its overall structure of the utility model as shown in Figure 1, the blackboard that rolling is wiped, include blackboard body 1, it is characterized in that also including a blackboard eraser 3, described blackboard body both sides are provided with sliding tray 4, the inboard both sides of blackboard eraser be provided with roller 2 and with the sliding tray phase configuration of blackboard body both sides.When erasing the board, with blackboard eraser push-and-pull from the bottom up once, blackboard has just been wiped clean.
Claims (1)
1. the blackboard that rolls and wipe, include blackboard body (1), it is characterized in that also including a blackboard eraser (3), described blackboard body both sides are provided with sliding tray (4), the inboard both sides of blackboard eraser be provided with roller (2) and with the sliding tray phase configuration of blackboard body both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202299012U CN201544636U (en) | 2009-11-16 | 2009-11-16 | Blackboard erased in a rolling manner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202299012U CN201544636U (en) | 2009-11-16 | 2009-11-16 | Blackboard erased in a rolling manner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201544636U true CN201544636U (en) | 2010-08-11 |
Family
ID=42599797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202299012U Expired - Fee Related CN201544636U (en) | 2009-11-16 | 2009-11-16 | Blackboard erased in a rolling manner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201544636U (en) |
-
2009
- 2009-11-16 CN CN2009202299012U patent/CN201544636U/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: 20100811 Termination date: 20101116 |