CN202319512U - Blackboard - Google Patents
Blackboard Download PDFInfo
- Publication number
- CN202319512U CN202319512U CN2011204657283U CN201120465728U CN202319512U CN 202319512 U CN202319512 U CN 202319512U CN 2011204657283 U CN2011204657283 U CN 2011204657283U CN 201120465728 U CN201120465728 U CN 201120465728U CN 202319512 U CN202319512 U CN 202319512U
- Authority
- CN
- China
- Prior art keywords
- blackboard
- dustproof cover
- dust cover
- motor
- utility
- 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 discloses a blackboard, which comprises a board body, wherein a vertical dustproof cover is arranged on the front face of the board body; the upper end and the lower end of the dustproof cover are arranged in sliding chutes formed at the upper end and the lower end of the board body in a sliding manner respectively; a cylindrical hair brush roller is arranged in the dustproof cover; one end of the hair brush roller is connected with a motor fixedly connected with the dustproof cover; a motor switch of the motor is arranged on the outer side of the lower end of the dustproof cover; and a push handle is arranged at the lower end of the dustproof cover. The blackboard has the beneficial effects that: according to the scheme, the blackboard has a simple structure and a rational design, and effectively prevents a large amount of dust during cleaning of the blackboard.
Description
Technical field
The utility model relates to a kind of teaching aid, relates in particular to a kind of blackboard.
Background technology
Generally, blackboard is write full, need wipe and could rewrite with chalkboard eraser, and chalk dust disorderly flies in the process that erases the board, and teachers and students' health is had very bad influence.
The utility model content
The utility model is not enough to existing in prior technology, and provides a kind of simple in structure, reasonable in design, has effectively prevented in the blackboard wiping process, to produce the blackboard of a large amount of dusts.
To achieve these goals, the utility model provides a kind of blackboard, comprises plate body; Wherein, The front of said plate body is provided with vertically disposed dust cover, and the two ends up and down of said dust cover are slidingly arranged in said plate body respectively up and down in the chute at two ends, are provided with the cylindrical brush roller in the said dust cover; One end of said brush roll is connected with the motor that is fixedly connected with said dust cover, and the motor switch of said motor is arranged on the lower outside of said dust cover.
The lower end of said dust cover also is provided with the promotion handle.
The beneficial effect of this programme can learn according to the narration to such scheme, and is simple in structure, reasonable in design, effectively prevented in the blackboard wiping process, to produce a large amount of dusts.
Description of drawings
Fig. 1 is the utility model overall structure front view.
Fig. 2 is the vertical view of Fig. 1.
Among the figure, 1, plate body; 2, chute; 3, dust cover; 4, motor; 5, brush roll; 6, motor switch; 7, promote handle.
The specific embodiment
For clearly demonstrating the technical characterstic of this programme, through the specific embodiment, this programme is set forth below.
As depicted in figs. 1 and 2; The technical scheme of the utility model is: the front of plate body 1 is provided with vertically disposed dust cover 3; The two ends up and down of dust cover 3 are slidingly arranged in respectively in the chute 2 at plate body two ends about in the of 1; Be provided with cylindrical brush roller 5 in the dust cover 3, an end of brush roll 5 is connected with the motor 4 that is fixedly connected with dust cover 3, and the motor switch 6 of motor 4 is arranged on the lower outside of dust cover 3; The lower end of dust cover 3 also is provided with and promotes handle 7.
When blackboard was wanted wiping, through motor switch 6 starter motors 4 that are electrically connected with motor 4, motor 4 drove brush roll 5 and rotates; Grasp then and promote handle 7, the brush roll about 5 that drives dust cover 3 and inboard rotation laterally moves, and can wipe the letter written with chalk on the plate body 1; Easy to use, and effectively prevented in the blackboard wiping process, to produce a large amount of dusts, simultaneously; Chalk dust after wiping falls in the chute 2 of downside, easy recovery.
The utility model can pass through or adopt existing techniques in realizing without the technical characterictic of describing; Repeat no more at this; Certainly, above-mentioned explanation is not to be the restriction to the utility model, and the utility model also is not limited in above-mentioned giving an example; Variation, remodeling, interpolation or replacement that those skilled in the art are made in the essential scope of the utility model also should belong to the protection domain of the utility model.
Claims (2)
1. blackboard; Comprise plate body, it is characterized in that the front of said plate body is provided with vertically disposed dust cover; The two ends up and down of said dust cover are slidingly arranged in said plate body respectively up and down in the chute at two ends; Be provided with the cylindrical brush roller in the said dust cover, an end of said brush roll is connected with the motor that is fixedly connected with said dust cover, and the motor switch of said motor is arranged on the lower outside of said dust cover.
2. blackboard according to claim 1 is characterized in that the lower end of said dust cover also is provided with the promotion handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204657283U CN202319512U (en) | 2011-11-22 | 2011-11-22 | Blackboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204657283U CN202319512U (en) | 2011-11-22 | 2011-11-22 | Blackboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202319512U true CN202319512U (en) | 2012-07-11 |
Family
ID=46431504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204657283U Expired - Fee Related CN202319512U (en) | 2011-11-22 | 2011-11-22 | Blackboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202319512U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103818165A (en) * | 2014-03-17 | 2014-05-28 | 成都理工大学 | Dustproof blackboard wiping device |
| CN107415529A (en) * | 2017-04-14 | 2017-12-01 | 黄庆 | A kind of environmentally friendly blackboard for education |
-
2011
- 2011-11-22 CN CN2011204657283U patent/CN202319512U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103818165A (en) * | 2014-03-17 | 2014-05-28 | 成都理工大学 | Dustproof blackboard wiping device |
| CN107415529A (en) * | 2017-04-14 | 2017-12-01 | 黄庆 | A kind of environmentally friendly blackboard for education |
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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: 20120711 Termination date: 20121122 |