CN202123866U - Blackboard cleaning device - Google Patents
Blackboard cleaning device Download PDFInfo
- Publication number
- CN202123866U CN202123866U CN201120116378XU CN201120116378U CN202123866U CN 202123866 U CN202123866 U CN 202123866U CN 201120116378X U CN201120116378X U CN 201120116378XU CN 201120116378 U CN201120116378 U CN 201120116378U CN 202123866 U CN202123866 U CN 202123866U
- Authority
- CN
- China
- Prior art keywords
- blackboard
- cleaning device
- brush strip
- grooves
- brush
- 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
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- Drawing Aids And Blackboards (AREA)
Abstract
The utility model relates to the technical field of stationary supplies, aiming to overcome the defect that known blackboard brushes are inconvenient for shorter students to clean words written on the upper portions of blackboards and accordingly are imperfect in use. The blackboard cleaning device can be used for cleaning words on the upper portions of blackboards easily. The technical scheme includes that the blackboard cleaning device consists of grooves, pulleys, a brush strip and a blackboard, and is characterized in that that the grooves are respectively arranged on the upper side and the lower side of the blackboard, the pulleys capable of sliding in the grooves are respectively arranged above and below the brush strip, and a changeable sponge brush head is arranged on the inner side of the brush strip. During use, chalk words written on the upper portion of the blackboard can be cleaned by pushing the middle of the brush strip only.
Description
Technical field
The utility model relates to a kind of stationery class technical field.
Background technology
At present, known blackboard brush, to sawed-off classmate, the word of the top that erase the board is just very difficult, not ideal.
Summary of the invention
In order to overcome above-mentioned deficiency, the utility model provides a kind of blackboard cleaning device, just can reach the top that erases the board and very be easy to purpose.
The technical scheme that the utility model solves its technical problem is: the blackboard cleaning device by groove, pulley, brush bar and blackboard are formed is characterized in that: be provided with groove at the blackboard upper and lower, be provided with the pulley that can in groove, slide at brush bar upper and lower; Brush bar inboard is provided with the sponge brush that can change.Just can wipe the letter written with chalk of blackboard top in the middle part of only need promoting to brush bar during use.
The beneficial effect of the utility model is: simple in structure, easy to use, erase the board the top effective.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is described further:
Fig. 1 is the utility model structural representation.
1. blackboards among the figure, 2. groove, 3. pulley, 4. brush bar.
The specific embodiment
Among Fig. 1, be provided with groove 2, be provided with the pulley 3 that can in groove, slide at brush bar 4 upper and lowers at blackboard 1 upper and lower; Brush bar inboard is provided with the sponge brush that can change.Just can wipe the letter written with chalk of blackboard top in the middle part of only need promoting to brush bar during use.
Claims (1)
1. a blackboard cleaning device is made up of groove, pulley, brush bar and blackboard, it is characterized in that: be provided with groove (2) at blackboard (1) upper and lower, be provided with the pulley (3) that can in groove, slide at brush bar (4) upper and lower; Brush bar inboard is provided with the sponge brush that can change.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120116378XU CN202123866U (en) | 2011-04-19 | 2011-04-19 | Blackboard cleaning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120116378XU CN202123866U (en) | 2011-04-19 | 2011-04-19 | Blackboard cleaning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202123866U true CN202123866U (en) | 2012-01-25 |
Family
ID=45486936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120116378XU Expired - Fee Related CN202123866U (en) | 2011-04-19 | 2011-04-19 | Blackboard cleaning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202123866U (en) |
-
2011
- 2011-04-19 CN CN201120116378XU patent/CN202123866U/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: 20120125 Termination date: 20120419 |