CN203032196U - Electric dust-free blackboard - Google Patents
Electric dust-free blackboard Download PDFInfo
- Publication number
- CN203032196U CN203032196U CN 201220165918 CN201220165918U CN203032196U CN 203032196 U CN203032196 U CN 203032196U CN 201220165918 CN201220165918 CN 201220165918 CN 201220165918 U CN201220165918 U CN 201220165918U CN 203032196 U CN203032196 U CN 203032196U
- Authority
- CN
- China
- Prior art keywords
- blackboard
- box body
- electric dust
- rectangular box
- board surface
- 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
Provided is an electric dust-free blackboard. The electric dust-free blackboard comprises a rectangular box body and a blackboard board surface, wherein rectangular through holes are formed in the upper end and the lower end of the rectangular box body, revolving shafts are arranged at the positions, close to the through holes, of the interior of the rectangular box body, the blackboard board surface is a soft blackboard board surface, a closed O shape is formed by the blackboard board surface, and the blackboard board surface extends out of the through holes at the upper end and the lower end of the rectangular box body. A long-strip-shaped eraser is arranged inside the rectangular box body, the revolving shafts arranged inside the rectangular box body is connected with a motor, a battery and a switch in series, and the length of the long-strip-shaped eraser is equal to the length of the blackboard board surface. When the electric dust-free blackboard is used, the revolving shafts rotate, one side with blackboard-writing is rotated to the interior of the rectangular box body, and the long-strip-shaped eraser can clean the blackboard-writing. In addition, due to the fact that the blackboard board surface is cleaned inside the rectangular box body, dust can be prevented from flying. The electric dust-free blackboard has the advantages of being simple in structure, convenient to use and the like. The electric dust-free blackboard is capable of preventing the dust from flying in the process of cleaning the electric dust-free blackboard, and maintains fresh air in a classroom.
Description
Technical field the utility model relates to a kind of teaching aid, especially a kind of electric dust-less blackboard that can prevent dust from flying.
The background technology blackboard be on the instructors class hour one of requisite teaching aid, but existing blackboard function singleness, for example: existing blackboard can not be avoided dust from flying when the blackboard wiping writing on the blackboard, has brought inconvenience for teachers and students' use.
The summary of the invention the purpose of this utility model provides a kind of electric dust-less blackboard in view of above-mentioned said deficiency, to solve existing blackboard when the blackboard wiping writing on the blackboard, easily causes the problem of dust from flying.
The utility model comprises rectangle box body and blackboard panel, is provided with the rectangle open-work at the two ends up and down of box body, and is provided with rotating shaft in the position of the close open-work in the inside of box body; Blackboard panel is the software blackboard panel, and constitutes closed O shape, and stretches out from the open-work at the two ends up and down of box body; Be provided with the strip blackboard eraser in the inside of box body; Place, base at box body flexibly connects the storage ash-pit; The rotating shaft of described box body inside is connected with motor, battery and switch; The length of strip blackboard eraser equals the width of blackboard panel.
After adopting said structure, during use, rotating shaft is rotated, and will go to the inside of box body with the one side of writing on the blackboard, and the blackboard eraser of strip can be with the writing on the blackboard wiped clean; And owing to be at the inner blackboard wiping plate of box body face, can avoid dust from flying.
The utlity model has advantages such as simple in structure, easy to use, in the process of blackboard wiping, can avoid dust from flying, keep with fresh air in the classroom.
Description of drawings Fig. 1 is stereogram of the present utility model.
Fig. 2 is the stereogram of the utility model storage ash-pit.
The specific embodiment comprises rectangle box body 1 and blackboard panel 2 in the schematic perspective view of electric dust-less blackboard shown in Figure 1, be provided with rectangle open-work 3 at the two ends up and down of box body, and is provided with rotating shaft 4 in the position of the close open-work in the inside of box body; Blackboard panel is the software blackboard panel, and constitutes closed O shape, and stretches out from the open-work at the two ends up and down of box body; Be provided with strip blackboard eraser 5 in the inside of box body; Place, base at box body flexibly connects storage ash-pit 6; The rotating shaft of described box body inside is connected with motor, battery and switch; The length of strip blackboard eraser equals the width of blackboard panel; The storage length of ash-pit and width be greater than length and the width on box body base, and be provided with sealing strip at the inwall of storage ash-pit near the position of its top margin, is provided with link at the dual-side of storage ash-pit, and is provided with hook in the corresponding position of box body and link respective side.During use, with switch closure, the driven by motor rotating shaft is rotated, the plate face can be gone to box body inside with the one side of writing on the blackboard, the plate face is in the middle of moving process, and long slab shape blackboard eraser can be with plate face wiped clean, and whole wiping process has been avoided dust from flying in box body inside; The storage ash-pit can be caught chalk dust, when the reserves of chalk dust reach capacity, it is taken off to topple over gets final product.
Claims (4)
1. an electric dust-less blackboard comprises rectangle box body and blackboard panel, it is characterized in that: the two ends up and down at box body are provided with the rectangle open-work, and are provided with rotating shaft in the position of the close open-work in the inside of box body; Blackboard panel is the software blackboard panel, and constitutes closed O shape, and stretches out from the open-work at the two ends up and down of box body; Be provided with the strip blackboard eraser in the inside of box body; Place, base at box body flexibly connects the storage ash-pit.
2. a kind of electric dust-less blackboard according to claim 1, it is characterized in that: the rotating shaft of described box body inside is connected with motor, battery and switch.
3. a kind of electric dust-less blackboard according to claim 1, it is characterized in that: the length of strip blackboard eraser equals the width of blackboard panel.
4. a kind of electric dust-less blackboard according to claim 1, it is characterized in that: the length of storage ash-pit and width are greater than length and the width on box body base, and the position at close its top margin of the inwall that stores up ash-pit is provided with sealing strip, dual-side at the storage ash-pit is provided with link, and is provided with hook in the corresponding position of box body and link respective side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220165918 CN203032196U (en) | 2012-04-19 | 2012-04-19 | Electric dust-free blackboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220165918 CN203032196U (en) | 2012-04-19 | 2012-04-19 | Electric dust-free blackboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203032196U true CN203032196U (en) | 2013-07-03 |
Family
ID=48684337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220165918 Expired - Fee Related CN203032196U (en) | 2012-04-19 | 2012-04-19 | Electric dust-free blackboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203032196U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104476952A (en) * | 2014-12-30 | 2015-04-01 | 何周凯 | Dust-free blackboard |
-
2012
- 2012-04-19 CN CN 201220165918 patent/CN203032196U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104476952A (en) * | 2014-12-30 | 2015-04-01 | 何周凯 | Dust-free blackboard |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130703 Termination date: 20150419 |
|
| EXPY | Termination of patent right or utility model |