CN201544638U - Novel environment protection blackboard - Google Patents
Novel environment protection blackboard Download PDFInfo
- Publication number
- CN201544638U CN201544638U CN2009202410683U CN200920241068U CN201544638U CN 201544638 U CN201544638 U CN 201544638U CN 2009202410683 U CN2009202410683 U CN 2009202410683U CN 200920241068 U CN200920241068 U CN 200920241068U CN 201544638 U CN201544638 U CN 201544638U
- Authority
- CN
- China
- Prior art keywords
- blackboard
- plate body
- novel environment
- utility
- sponge
- 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
- 230000005540 biological transmission Effects 0.000 abstract 1
- 239000000428 dust Substances 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
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- Drawing Aids And Blackboards (AREA)
Abstract
The utility model discloses a novel environment protection blackboard, which belongs to teaching aids, in particular to a blackboard used for teaching. The novel environment protection blackboard comprises a blackboard surface and a support frame. The utility model is characterized in that the upper end of a rectangular plate body framework arranged on the support frame is provided with moist sponge, the lower end of the rectangular plate body framework is provided with dry sponge, both ends of the rectangular plate body framework are respectively provided with three gears, transmission chains are arranged on the peripheries of the gears, both ends of the annular flexible blackboard surface are fixed on the chains, and a rotating handle is connected on a gear shaft positioned in the middle. The utility model has the advantages that the blackboard surface is made into an annular shape by adopting flexible materials, the blackboard surface can rotate along the chains, the moist sponge arranged on the upper end of the blackboard can erase characters on the blackboard during the rotation, and the dry sponge arranged at the lower end dries the blackboard surface through erasing, so the problems that a large amount of dust can easily occur and the blackboard erasing wastes time during the blackboard erasing are solved.
Description
Technical field
The utility model belongs to teaching aid, especially for the blackboard of teaching.
Background technology
Blackboard is that people are used for the apparatus of imparting knowledge to students, it is simple in structure, easy to use, can be fit to large, medium and small scholastic use, but general blackboard is a hard, and the dust full classroom of wafing causes teachers and students easily to suffer from respiratory disease when manually wiping letter written with chalk, diminish the healthy of teachers and students, and waste time and energy and influence teaching efficiency, taken valuable instructional blocks of time, inconsistent with the modern education cause.
The utility model content
Remove the deficiency that letter written with chalk easily produces dust in order to overcome existing blackboard eraser, the utility model provides a kind of novel environment friendly blackboard, this novel environment friendly blackboard has not only kept existing educational pattern and teachers and students to be easy to accept, and can solve the problem that letter written with chalk is wiped and collected.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of novel environment friendly blackboard, comprise blackboard surface, support, it is characterized in that: moistening sponge is equipped with in the upper end of rack-mount rectangle plate body skeleton, dry sponge is equipped with in the lower end, three gears respectively are equipped with at rectangle plate body skeleton two ends, the gear periphery is equipped with driving chain, and annular flexible blackboard surface two ends are fixed on the chain, is connecting turning handle on the gear shaft in the middle of being positioned at.
The utility model uses flexible material to do blackboard surface and circularizes, can turn round with chain, the moistening sponge in blackboard upper end can be wiped the word on the blackboard when revolution, the lower end dry sponge is dried the plate face, has solved the problem that is prone to a large amount of dust when erasing the board and erases the board and lose time like this.
Description of drawings
Accompanying drawing 1 is a structural representation of the present utility model,
Among the figure, 1. blackboard surface, 2. chain, 3. gear, 4. turning handle, 5. moistening sponge, 6. dry sponge, 7. rectangle plate body skeleton, 8. support.
The specific embodiment
The specific embodiment of the present utility model is, as shown in the figure:
Claims (1)
1. novel environment friendly blackboard, comprise blackboard surface, support, it is characterized in that: moistening sponge is equipped with in the upper end of rack-mount rectangle plate body skeleton, dry sponge is equipped with in the lower end, three gears respectively are equipped with at rectangle plate body skeleton two ends, the gear periphery is equipped with driving chain, and annular flexible blackboard surface two ends are fixed on the chain, is connecting turning handle on the gear shaft in the middle of being positioned at.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202410683U CN201544638U (en) | 2009-11-03 | 2009-11-03 | Novel environment protection blackboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202410683U CN201544638U (en) | 2009-11-03 | 2009-11-03 | Novel environment protection blackboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201544638U true CN201544638U (en) | 2010-08-11 |
Family
ID=42599799
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202410683U Expired - Fee Related CN201544638U (en) | 2009-11-03 | 2009-11-03 | Novel environment protection blackboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201544638U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102774180A (en) * | 2012-05-04 | 2012-11-14 | 梁正 | Dustproof blackboard capable of automatically erasing blackboard writings |
| CN104354499A (en) * | 2014-12-07 | 2015-02-18 | 赵夫超 | Movable rolling-type blackboard |
| CN106626901A (en) * | 2016-11-24 | 2017-05-10 | 江苏海事职业技术学院 | Portable display board for English teaching |
| CN107031242A (en) * | 2017-05-10 | 2017-08-11 | 太原科技大学 | Driven dust-free formula erasing type blackboard |
-
2009
- 2009-11-03 CN CN2009202410683U patent/CN201544638U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102774180A (en) * | 2012-05-04 | 2012-11-14 | 梁正 | Dustproof blackboard capable of automatically erasing blackboard writings |
| CN104354499A (en) * | 2014-12-07 | 2015-02-18 | 赵夫超 | Movable rolling-type blackboard |
| CN106626901A (en) * | 2016-11-24 | 2017-05-10 | 江苏海事职业技术学院 | Portable display board for English teaching |
| CN107031242A (en) * | 2017-05-10 | 2017-08-11 | 太原科技大学 | Driven dust-free formula erasing type blackboard |
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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: 20100811 Termination date: 20101103 |