CN202011279U - Roller blackboard eraser - Google Patents
Roller blackboard eraser Download PDFInfo
- Publication number
- CN202011279U CN202011279U CN2011201193516U CN201120119351U CN202011279U CN 202011279 U CN202011279 U CN 202011279U CN 2011201193516 U CN2011201193516 U CN 2011201193516U CN 201120119351 U CN201120119351 U CN 201120119351U CN 202011279 U CN202011279 U CN 202011279U
- Authority
- CN
- China
- Prior art keywords
- box
- wiper
- blackboard eraser
- fixed
- roller bearing
- 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 provides a roller blackboard eraser comprising a box and a wiping rag, characterized in that the wiping rag is fixed on a plurality of parallel rollers, the rollers are installed in the box, a portion of the wiping rag is exposed outside of the box, the box is provided a plurality of scraping blades therein, one side of the scraping blades is fixed on the inner wall of the box, and the other side is next to the wiping rag. The roller blackboard eraser has a simple structure and can collect the chalk dust.
Description
Technical field
The utility model relates to a kind of blackboard eraser, particularly a kind of roller bearing blackboard eraser.
Background technology
Blackboard eraser commonly used now is the wiper of a tiling, owing to often use, the full chalk dust of last area is wiped unclean blackboard, and the dust absorption blackboard eraser of a lot of patent application protections is also arranged simultaneously at present, can remove chalk dust on the wiper, but complex structure.
Summary of the invention
The utility model is for providing a kind of simple in structure, can in time remove the blackboard eraser that smears dust, concrete technology is: a kind of roller bearing blackboard eraser, comprise box, wiper, it is characterized in that wiper is fixed on many roller bearings arranged side by side, roller bearing is installed in the box, wiper partly exposes a part outside box, a plurality of scraping blades are arranged in the box, and scraping blade one side is fixed on the box inwall, and a side is close to wiper.When re-using blackboard eraser, wiper is wiped away chalk dust on the roller bearing, and in the time of through the scraping blade in the box, scraping blade is wiped chalk dust on the wiper off, and chalk dust is stayed in the box, can take box apart, chalk dust in the cleaning box.
Roller bearing wiping blackboard structure of the present utility model is simple, can collect chalk dust.
Description of drawings
Fig. 1 is a cross section structure schematic diagram of the present utility model;
1 box, 2 wipers, 3 roller bearings, 4 scraping blades among the figure.
The specific embodiment
A kind of roller bearing blackboard eraser comprises box 1, wiper 2, and wiper 2 is fixed on two roller bearings arranged side by side 3, roller bearing 3 is installed in the box 1, and wiper partly exposes a part outside box, and a plurality of scraping blades 4 are arranged in the box, scraping blade 4 one sides are fixed on the box inwall, and a side is close to wiper.
Claims (1)
1. a roller bearing blackboard eraser comprises box, wiper, it is characterized in that wiper is fixed on many roller bearings arranged side by side, roller bearing is installed in the box, and wiper partly exposes a part outside box, and a plurality of scraping blades are arranged in the box, scraping blade one side is fixed on the box inwall, and a side is close to wiper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201193516U CN202011279U (en) | 2011-04-21 | 2011-04-21 | Roller blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201193516U CN202011279U (en) | 2011-04-21 | 2011-04-21 | Roller blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202011279U true CN202011279U (en) | 2011-10-19 |
Family
ID=44781887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201193516U Expired - Fee Related CN202011279U (en) | 2011-04-21 | 2011-04-21 | Roller blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202011279U (en) |
-
2011
- 2011-04-21 CN CN2011201193516U patent/CN202011279U/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: 20120421 |