CN201009586Y - Dust absorbing blackboard - Google Patents
Dust absorbing blackboard Download PDFInfo
- Publication number
- CN201009586Y CN201009586Y CNU2007200108825U CN200720010882U CN201009586Y CN 201009586 Y CN201009586 Y CN 201009586Y CN U2007200108825 U CNU2007200108825 U CN U2007200108825U CN 200720010882 U CN200720010882 U CN 200720010882U CN 201009586 Y CN201009586 Y CN 201009586Y
- Authority
- CN
- China
- Prior art keywords
- dust
- blackboard
- utility
- absorbing blackboard
- model
- 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
- 239000000428 dust Substances 0.000 title claims abstract description 18
- 239000011148 porous material Substances 0.000 claims description 7
- 239000004568 cement Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
Landscapes
- Drawing Aids And Blackboards (AREA)
Abstract
The utility model relates to a dust absorbing blackboard which comprises a board plane provided with small holes. A dust storage groove is arranged at the bottom of the back of the board. A mini dust collector is arranged in the dust storage grove. The utility model is characterized in a simple structure, convenient use and wide range of use.
Description
Technical field the utility model relates to a kind of realia, especially a kind of dust-absorbing blackboard.
The blackboard that the present people of technical background use always has cement blackboard, Glass blackboard etc.They exist common shortcoming: dust from flying when erasing the board, pollute the classroom environment health, and infringement teacher and classmates' is healthy.Secondly, when above-mentioned blackboard service time is longer, be prone to reflective phenomenon, make a part of classmate not see word on the blackboard.
The summary of the invention the purpose of this utility model is to overcome above-mentioned said shortcoming and a kind of dust-absorbing blackboard simple in structure is provided.
For achieving the above object, the utility model dust-absorbing blackboard comprises the plate face, for be distributed with pore on the plate face, in bottom, plate face back dust storage groove is installed, and dust storage groove is provided with micro-cleaner.
After adopting said structure, most of dust is sucked in the dust storage groove from pore by micro-cleaner, greatly reduces the dust pollution degree in the classroom like this, and protection teacher and classmates' is healthy.The diffuse reflection of pore simultaneously can be eliminated reflective phenomenon effectively, has improved results of learning.
The utility model has the advantages that: simple in structure, easy to use, characteristics such as the scope of application is extensive.
Description of drawings Fig. 1 is the utility model dust-absorbing blackboard overall structure schematic diagram.
The specific embodiment such as Fig. 1 show, the utility model dust-absorbing blackboard comprises plate face 1, for be distributed with pore 2 on plate face 1, in bottom, plate face 1 back dust storage groove 3 are installed, and dust storage groove 3 is provided with micro-cleaner 4.Most of dust is sucked in the dust storage groove from pore by micro-cleaner, greatly reduces the dust pollution degree in the classroom like this, and protection teacher and classmates' is healthy.The diffuse reflection of pore simultaneously can be eliminated reflective phenomenon effectively, has improved results of learning.
Claims (1)
1. a dust-absorbing blackboard comprises plate face (1), it is characterized in that: be distributed with pore (2) on plate face (1), in bottom, plate face (1) back dust storage groove (3) be installed, dust storage groove (3) is provided with micro-cleaner (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200108825U CN201009586Y (en) | 2007-03-14 | 2007-03-14 | Dust absorbing blackboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200108825U CN201009586Y (en) | 2007-03-14 | 2007-03-14 | Dust absorbing blackboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201009586Y true CN201009586Y (en) | 2008-01-23 |
Family
ID=39044522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200108825U Expired - Fee Related CN201009586Y (en) | 2007-03-14 | 2007-03-14 | Dust absorbing blackboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201009586Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107825903A (en) * | 2017-11-13 | 2018-03-23 | 许昌市建安区第三高级中学 | One kind is gathered dust blackboard |
-
2007
- 2007-03-14 CN CNU2007200108825U patent/CN201009586Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107825903A (en) * | 2017-11-13 | 2018-03-23 | 许昌市建安区第三高级中学 | One kind is gathered dust 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: 20080123 Termination date: 20100314 |