CN2144058Y - Blackboard capable of automatically rotating and erasing dust - Google Patents
Blackboard capable of automatically rotating and erasing dust Download PDFInfo
- Publication number
- CN2144058Y CN2144058Y CN 92244209 CN92244209U CN2144058Y CN 2144058 Y CN2144058 Y CN 2144058Y CN 92244209 CN92244209 CN 92244209 CN 92244209 U CN92244209 U CN 92244209U CN 2144058 Y CN2144058 Y CN 2144058Y
- Authority
- CN
- China
- Prior art keywords
- dust
- plate face
- wheel
- erasing
- wheels
- 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 relates to a blackboard capable of automatic running and automatic dust erasing. A soft board surface is arranged on two rolling wheels. The inner part of the writing surface of the board surface is provided with a liner board. Both sides of the board surface are respectively provided with a dust brushing wheel. The two rolling wheels and the two dust brushing wheels are respectively driven by a mini motor. The utility model has advantages of simple structure, convenient use, and quick and thorough board erasing.
Description
The utility model relates to a kind of with the automatic running blackboard of wiping chalk bits device automatically.
The existing fixed blackboard is wiped examination with blackboard eraser, and chalk dust flies upward during wiping, and contaminated air influences teachers and students' health and environment health; Wiping board speed is slow, influences the continuity of instructional blocks of time and teaching.Other class blackboard such as electromagnetism is made complexity, the cost height, and easy break-down, it is not thorough to remove dust, uses inconvenience.
The purpose of this utility model is to avoid above-mentioned weak point of the prior art, and provides a kind of simple in structure, and easy to use, cost is low, can change the clipboard face easily automatically, wipes the examination blackboard automatically, and no dust from flying, crocus are wiped the dirt demonstrator completely automatically.
The purpose of this utility model can reach by following measure:
The dirt demonstrator is wiped in a kind of automatic running automatically, comprise plate face and wirer apparatus, its special character is: described plate face is an endless belt formula flexible board face, it is located on two scroll wheels, be provided with liner plate in the writing surface of described plate face, described plate face two ends are respectively equipped with a powder brushing wheel, and described scroll wheel and two powder brushing wheels join with a motor respectively.
Accompanying drawing is a structural representation of the present utility model.
The utility model is described in further detail below in conjunction with accompanying drawing:
Referring to accompanying drawing, the utlity model has a framework 5, be provided with transmission device and wirer apparatus in it.Transmission device is made of scroll wheel 2 and 6, is with band formula flexible board face 3 on it, and flexible board face 3 can adopt black, white or colorful rubber band, is provided with liner plate 4 in the writing surface of plate face 3, and plate face 3 is close on the liner plate 4 when static.Wirer apparatus is made of powder brushing wheel 1 and 7, and powder brushing wheel 1,7 is divided into the outer end of scroll wheel 2,6, and powder brushing wheel 1,7 is provided with felt that one deck brush dust uses or suede cotton etc., and powder brushing wheel 1,7 following can be provided with one respectively and connect powder box.Scroll wheel 2,6 and powder brushing wheel 1,7 are driven by micro-machine 8～11 respectively.When changing writing surface, by driven by motor scroll wheel 2,6 plate face provided thereon 3 is rotated, when going to powder brushing wheel 1,7 places, chalk writing is all eliminated, and the powder ash drops down onto connecing in the powder box of below.
The utility model compared with prior art has following advantage:
1, scroll wheel is respectively by separately driven by motor, makes plate face smooth running, evenly.
2, the rotation of powder brushing wheel self makes in the unlikely gap that is stranded in powder brushing wheel and plate face of dust, adds two powder brushing wheels and carries out twice erasing, and plate flour dirt is removed thoroughly.
3, will connect the interior dust collection of powder box together, and can remake into chalk and reuse.
4, avoid dust from flying, contaminated air, can alleviate the labour intensity that the faculty erases the board, prolonged the effective time of giving lessons.
5, can change the clipboard face easily, but continuous writing.
Claims (1)
1, the dirt demonstrator is wiped in a kind of automatic running automatically, comprise plate face and wirer apparatus, it is characterized in that: described plate face is an endless belt formula flexible board face, it is located on two scroll wheels, be provided with liner plate in the writing surface of described plate face, described plate face two ends are respectively equipped with a powder brushing wheel, and described scroll wheel and two powder brushing wheels join with a motor respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92244209 CN2144058Y (en) | 1992-12-21 | 1992-12-21 | Blackboard capable of automatically rotating and erasing dust |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92244209 CN2144058Y (en) | 1992-12-21 | 1992-12-21 | Blackboard capable of automatically rotating and erasing dust |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2144058Y true CN2144058Y (en) | 1993-10-20 |
Family
ID=33783533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 92244209 Expired - Fee Related CN2144058Y (en) | 1992-12-21 | 1992-12-21 | Blackboard capable of automatically rotating and erasing dust |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2144058Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105034664A (en) * | 2015-08-07 | 2015-11-11 | 湖南城市学院 | Canvas scroll type blackboard |
| CN109109517A (en) * | 2018-08-28 | 2019-01-01 | 吉林合纵信息技术有限公司 | A kind of office's intelligent whiteboard |
-
1992
- 1992-12-21 CN CN 92244209 patent/CN2144058Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105034664A (en) * | 2015-08-07 | 2015-11-11 | 湖南城市学院 | Canvas scroll type blackboard |
| CN105034664B (en) * | 2015-08-07 | 2017-01-18 | 湖南城市学院 | canvas scroll type blackboard |
| CN109109517A (en) * | 2018-08-28 | 2019-01-01 | 吉林合纵信息技术有限公司 | A kind of office's intelligent whiteboard |
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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 |