CN201366888Y - Automatic blackboard cleaning system - Google Patents
Automatic blackboard cleaning system Download PDFInfo
- Publication number
- CN201366888Y CN201366888Y CNU2009200795249U CN200920079524U CN201366888Y CN 201366888 Y CN201366888 Y CN 201366888Y CN U2009200795249 U CNU2009200795249 U CN U2009200795249U CN 200920079524 U CN200920079524 U CN 200920079524U CN 201366888 Y CN201366888 Y CN 201366888Y
- Authority
- CN
- China
- Prior art keywords
- blackboard
- automatic
- soft
- cleaning system
- cleaning
- 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
Images
Abstract
The utility model relates to teaching aid. The prior blackboard has no automatic cleaning function, a teacher wastes time in writing and erasing, and the use is not ideal. The utility model provides an automatic blackboard cleaning system consisting of upper and lower winding drums, an electric blackboard eraser, and a soft-covered blackboard. The automatic blackboard cleaning system is characterized in that the soft-covered blackboard which can move circularly is arranged between the upper and the lower winding drums, and the electric blackboard eraser for cleaning chalk dust is arranged on the back surface of the blackboard. When the chalk dust is required to be cleaned away, a winding drum switch is pressed down, the front blackboard cover with chalk writing is turned back, and a cleaned back blackboard is turned to the front for the teacher to write continuously. The structure is simple; the use is convenient, clean and sanitary; and the effect of saving time is good.
Description
Technical field
The utility model relates to a kind of teaching aid.
Background technology
At present, known blackboard, not with the function of automated cleaning, teacher writes again, wipes again, very loses time, and is not ideal.
Summary of the invention
In order to overcome above-mentioned deficiency, the utility model provides a kind of automatic blackboard cleaning systems, just can reach the purpose of automatic-cleaning backboard.
The technical scheme in the invention for solving the technical problem is: by reel, driven blackboard are brushed and soft the automatic blackboard cleaning systems that blackboard is formed up and down, it is characterized in that: up and down between the reel, one soft the blackboard that can circulate and move is set, is provided with the driven blackboard brush of cleaning chalk dust at the blackboard back side.Press the movable reel switch when needing the cleaning chalk dust, will forward the back to the preceding blackboard surface of letter written with chalk and go, the back blackboard surface that has been cleaned has simultaneously forwarded the front again to be continued to write for teacher.
The beneficial effects of the utility model are: simple in structure, easy to use, sanitation and hygiene, save time effective.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples:
Fig. 1 is the utility model structural representation.
1. reels among the figure, a 2. soft blackboard, 3. driven blackboard brush.
The specific embodiment
Among Fig. 1, between reel (1) up and down, soft the blackboard (2) that can circulate and move is set, is provided with the driven blackboard that cleans chalk dust at the blackboard back side and brushes (3).Press the movable reel switch when needing the cleaning chalk dust, will forward the back to the preceding blackboard surface of letter written with chalk and go, the back blackboard surface that has been cleaned has simultaneously forwarded the front again to be continued to write for teacher.
Claims (1)
1, a kind of automatic blackboard cleaning systems, by reel, driven blackboard brush and soft blackboard are formed up and down, it is characterized in that: between reel (1) up and down, soft the blackboard (2) that can circulate and move is set, is provided with the driven blackboard that cleans chalk dust at the blackboard back side and brushes (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200795249U CN201366888Y (en) | 2009-03-13 | 2009-03-13 | Automatic blackboard cleaning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200795249U CN201366888Y (en) | 2009-03-13 | 2009-03-13 | Automatic blackboard cleaning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201366888Y true CN201366888Y (en) | 2009-12-23 |
Family
ID=41485787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009200795249U Expired - Fee Related CN201366888Y (en) | 2009-03-13 | 2009-03-13 | Automatic blackboard cleaning system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201366888Y (en) |
-
2009
- 2009-03-13 CN CNU2009200795249U patent/CN201366888Y/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201592598U (en) | Rotating dust-free blackboard | |
| CN201366888Y (en) | Automatic blackboard cleaning system | |
| CN201456815U (en) | Dustproof blackboard eraser | |
| CN203957660U (en) | A kind of automatic blackboard eraser | |
| CN201841845U (en) | Conveniently cleaned double-side blackboard eraser | |
| CN202319512U (en) | Blackboard | |
| CN202448612U (en) | Blackboard eraser capable of adsorbing dust | |
| CN202022013U (en) | Multifunctional blackboard eraser | |
| CN202180676U (en) | Automatic manual cleaned blackboard | |
| CN201587247U (en) | Sponge blackboard eraser | |
| CN201604433U (en) | Rapid blackboard eraser | |
| CN202288096U (en) | Automatic toilet brush | |
| CN204432174U (en) | A kind of automatic dust removing eraser | |
| CN201769544U (en) | Teaching blackboard | |
| CN201792662U (en) | Brush surface-replaceable sponge | |
| CN202337148U (en) | Novel blackboard eraser | |
| CN203172301U (en) | Rolling type blackboard eraser | |
| CN201849205U (en) | Dual-purpose blackboard eraser | |
| CN202703039U (en) | Easy blackboard eraser | |
| CN201283726Y (en) | Multifunctional blackboard | |
| CN202389062U (en) | Convenient blackboard eraser | |
| CN201881773U (en) | Cleaning blackboard eraser | |
| CN202517965U (en) | Blackboard eraser capable of moving up and down | |
| CN203580452U (en) | Blackboard brush capable of collecting dust | |
| CN201456806U (en) | Structure for erasing blackboard |
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: 20091223 Termination date: 20110313 |