CN201677648U - Blackboard eraser - Google Patents
Blackboard eraser Download PDFInfo
- Publication number
- CN201677648U CN201677648U CN2010201551140U CN201020155114U CN201677648U CN 201677648 U CN201677648 U CN 201677648U CN 2010201551140 U CN2010201551140 U CN 2010201551140U CN 201020155114 U CN201020155114 U CN 201020155114U CN 201677648 U CN201677648 U CN 201677648U
- Authority
- CN
- China
- Prior art keywords
- blackboard eraser
- utility
- model
- blackboard
- protective sleeve
- 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
- 230000001681 protective Effects 0.000 claims description 9
- 239000000428 dust Substances 0.000 abstract 1
- 239000000843 powder Substances 0.000 description 4
- 208000009990 Finger Injury Diseases 0.000 description 2
- 210000004905 Finger nails Anatomy 0.000 description 1
- 206010022114 Injury Diseases 0.000 description 1
- 210000000282 Nails Anatomy 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Abstract
The utility model discloses a blackboard eraser, which belongs to teaching aids. The structure of the blackboard eraser comprises a blackboard eraser body and bristles, wherein the upper part of the blackboard eraser body is provided with a protection sleeve the bottom of which is provided with an opening. Compared with the prior art, the blackboard eraser of the utility model has the characteristics of preventing chalk dust from falling to hands, avoiding pollution and preventing damage to fingers due to the protection sleeve thereof, convenient use and the like so as to have good population and application value.
Description
Technical field
The utility model relates to a kind of teaching aid, especially a kind of blackboard eraser.
Background technology
The teacher is when teaching, all on blackboard, write with chalk, having write the back or having write to stagger the time all needs to wipe with blackboard eraser, but present employed blackboard eraser is when erasing the board, chalk powder can drop on hand, pollute, and finger can touch blackboard, easily finger nail is damaged, bring injury to people.At present, good solution is not also arranged.
The utility model content
Technical assignment of the present utility model is to provide a kind of blackboard eraser at above-mentioned deficiency of the prior art, and this a kind of blackboard eraser has the chalk powder of preventing and drops on hand, can not pollute, and has avoided finger injuries, characteristics easy to use.
The technical scheme that its technical problem that solves the utility model adopts is: it comprises blackboard eraser body and snag, and described blackboard eraser upper part of body is provided with protective sleeve, the bottom opening of described protective sleeve.
Characteristics such as a kind of blackboard eraser of the present utility model is compared with prior art, and have following outstanding beneficial effect: blackboard eraser is provided with protective sleeve, prevents that chalk powder from dropping on hand, can not pollute, and has avoided finger injuries, and is easy to use.
Description of drawings
Accompanying drawing 1 is a kind of structural representation of blackboard eraser;
Description of reference numerals: 1, protective sleeve, 2, the blackboard eraser body, 3, snag.
The specific embodiment
With reference to explaining below Figure of description 1 a kind of blackboard eraser work of the present utility model.
A kind of blackboard eraser of the present utility model, its structure comprise blackboard eraser body 2 and snag 3, and the top of described blackboard eraser body 2 is provided with protective sleeve 1, the bottom opening of described protective sleeve 1.
During use, the bottom opening of hand from protective sleeve 1 stretched into, hold blackboard eraser body 2 and erase the board, both prevented that chalk powder is stained with to hand, can prevent from again that finger is run into blackboard when erasing the board nail is damaged, easy to use.
Except that the described technical characterictic of specification, be the known technology of those skilled in the art.
Claims (1)
1. a blackboard eraser comprises blackboard eraser body and snag, it is characterized in that: described blackboard eraser upper part of body is provided with protective sleeve, the bottom opening of described protective sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201551140U CN201677648U (en) | 2010-04-09 | 2010-04-09 | Blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201551140U CN201677648U (en) | 2010-04-09 | 2010-04-09 | Blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201677648U true CN201677648U (en) | 2010-12-22 |
Family
ID=43342706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201551140U Expired - Fee Related CN201677648U (en) | 2010-04-09 | 2010-04-09 | Blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201677648U (en) |
-
2010
- 2010-04-09 CN CN2010201551140U patent/CN201677648U/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: 20101222 Termination date: 20110409 |