CN201009608Y - Telescopic blackboard eraser - Google Patents
Telescopic blackboard eraser Download PDFInfo
- Publication number
- CN201009608Y CN201009608Y CNU2007200682631U CN200720068263U CN201009608Y CN 201009608 Y CN201009608 Y CN 201009608Y CN U2007200682631 U CNU2007200682631 U CN U2007200682631U CN 200720068263 U CN200720068263 U CN 200720068263U CN 201009608 Y CN201009608 Y CN 201009608Y
- Authority
- CN
- China
- Prior art keywords
- telescopic
- utility
- model
- blackboard eraser
- blackboard
- 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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Abstract
A telescopic blackboard wiper comprises a brush head part and a hand part, and is characterized in that the hand part is a telescopic pole having a telescopic length. The contact part of the telescopic pole and the brush head is of elbow structure. The utility model has beneficial effects that the problem of cleaning the chalk written words at higher position is achieved, and can facilitate students with small body height wiping blackboard.
Description
Technical field
The utility model relates to a kind of cleaning device, concrete relates to a kind of telescopic blackboard eraser.
Background technology
Present most of school adopts black board teaching, after writing on blackboard with chalk, need wipe out, but the pupil is shorter a bit little, allow their blackboard wiping, just wipe the word of eminence of erasing the board that just jumping less than, some classmate at the word of blackboard eminence, efficient is not high, and very inconvenient.
The utility model content
Technical problem to be solved in the utility model is, a kind of blackboard wiping arrangement that can stretch is provided.
In order to achieve the above object, the technical solution of the utility model is such:
A kind of telescopic blackboard eraser comprises brushhead portion and portion of the handle, it is characterized in that, described portion of the handle is the telescopic expansion link of length.
Described expansion link and brush contact portion are elbow structure.
Beneficial effect, the utility model have effectively solved the letter written with chalk problem of cleaning blackboard eminence, can make things convenient for shorter student to erase the board.
Description of drawings
Describe the utility model in detail below in conjunction with the drawings and specific embodiments;
Fig. 1 is a structural representation of the present utility model
The specific embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
Referring to Fig. 1, a kind of telescopic blackboard eraser comprises brushhead portion 1 and portion of the handle 2, and described Handheld Division 2 is divided into the telescopic expansion link 21 of length, and expansion link 21 is four joints.
Described expansion link 21 is an elbow structure 12 with brush 1 contact portion.
Compared with prior art, the utility model has effectively solved the letter written with chalk problem of cleaning blackboard eminence, can make things convenient for shorter student to erase the board.
More than show and described basic principle of the present utility model, principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that describes in the foregoing description and the specification just illustrates principle of the present utility model; the utility model also has various changes and modifications under the prerequisite that does not break away from the utility model spirit and scope, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (2)
1. a telescopic blackboard eraser comprises brushhead portion and portion of the handle, it is characterized in that, described portion of the handle is the telescopic expansion link of length.
2. a kind of telescopic blackboard eraser according to claim 1 is characterized in that, described expansion link and brush contact portion are elbow structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200682631U CN201009608Y (en) | 2007-03-28 | 2007-03-28 | Telescopic blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200682631U CN201009608Y (en) | 2007-03-28 | 2007-03-28 | Telescopic blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201009608Y true CN201009608Y (en) | 2008-01-23 |
Family
ID=39044544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200682631U Expired - Fee Related CN201009608Y (en) | 2007-03-28 | 2007-03-28 | Telescopic blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201009608Y (en) |
-
2007
- 2007-03-28 CN CNU2007200682631U patent/CN201009608Y/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 | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |