CN201080074Y - Dustless blackboard - Google Patents
Dustless blackboard Download PDFInfo
- Publication number
- CN201080074Y CN201080074Y CNU2007200127949U CN200720012794U CN201080074Y CN 201080074 Y CN201080074 Y CN 201080074Y CN U2007200127949 U CNU2007200127949 U CN U2007200127949U CN 200720012794 U CN200720012794 U CN 200720012794U CN 201080074 Y CN201080074 Y CN 201080074Y
- Authority
- CN
- China
- Prior art keywords
- plate body
- groove
- board body
- processed
- dust
- 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 dust free blackboard, which comprises a board body. A groove is respectively arranged at the top end and the lower end of the board body, the grooves are provided with pulleys, a moving rod is processed at one side of the board body, the upper end and the lower end of the moving rod are respectively connected with the pulleys in the grooves, sponge is processed on the moving rod, pores are distributed on the surface of the board body, and a dust storage groove is installed at the rear bottom of the board body. The utility model has the advantages of simple structure, convenient operation, and broad application scope, etc.
Description
Technical field
The utility model relates to a kind of realia, especially a kind of dust-free blackboard.
The instrument that technical background is used to erase the board at present mainly is that the mobile blackboard that hand is taken is wiped.The major defect of this blackboard eraser is: the blackboard after the wiping, leave the scratch of a rule, and teacher's labour intensity is big, and in the process that erases the board, dust from flying has a strong impact on the healthy of academics and students.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned said shortcoming and a kind of dust-free blackboard simple in structure, easy to use is provided, to solve above-mentioned said problem.
For achieving the above object, the utility model dust-free blackboard, comprise plate body, for top and lower end at plate body are respectively equipped with a groove, groove is provided with pulley, and plate body one side is processed with a motion bar, the branch of two ends up and down of motion bar is connected with the pulley in the groove, be processed with sponge on the motion bar, plate body is distributed with pore on the surface, in bottom, plate body back dust storage groove is installed.
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-free blackboard overall structure schematic diagram.
The specific embodiment
Show as Fig. 1, the utility model dust-free blackboard, comprise plate body 1, for top and lower end at plate body 1 are respectively equipped with a groove, groove is provided with pulley 3, and plate body 1 one sides are processed with a motion bar 2, the branch of two ends up and down of motion bar 2 is connected with the pulley 3 in the groove, be processed with sponge 4 on the motion bar 2, plate body is distributed with pore 5 on 1 surface, in bottom, plate body 1 back dust storage groove 6 is installed.
Claims (1)
1. dust-free blackboard, comprise plate body (1), it is characterized in that: top and lower end at plate body (1) are respectively equipped with a groove, groove is provided with pulley (3), plate body (1) one side is processed with a motion bar (2), and the branch of two ends up and down of motion bar (2) is connected with the pulley (3) in the groove, is processed with sponge (4) on the motion bar (2), plate body (1) is distributed with pore (5) on the surface, in bottom, plate body (1) back dust storage groove (6) is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200127949U CN201080074Y (en) | 2007-06-21 | 2007-06-21 | Dustless blackboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200127949U CN201080074Y (en) | 2007-06-21 | 2007-06-21 | Dustless blackboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201080074Y true CN201080074Y (en) | 2008-07-02 |
Family
ID=39613754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200127949U Expired - Fee Related CN201080074Y (en) | 2007-06-21 | 2007-06-21 | Dustless blackboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201080074Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105922794A (en) * | 2016-05-25 | 2016-09-07 | 张子祺 | Dust absorption blackboard |
-
2007
- 2007-06-21 CN CNU2007200127949U patent/CN201080074Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105922794A (en) * | 2016-05-25 | 2016-09-07 | 张子祺 | Dust absorption 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: 20080702 |