CN2806186Y - Dust-absorbing blackboard eraser - Google Patents
Dust-absorbing blackboard eraser Download PDFInfo
- Publication number
- CN2806186Y CN2806186Y CN 200520091152 CN200520091152U CN2806186Y CN 2806186 Y CN2806186 Y CN 2806186Y CN 200520091152 CN200520091152 CN 200520091152 CN 200520091152 U CN200520091152 U CN 200520091152U CN 2806186 Y CN2806186 Y CN 2806186Y
- Authority
- CN
- China
- Prior art keywords
- dust
- box
- blackboard eraser
- collecting box
- utility
- 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
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- Drawing Aids And Blackboards (AREA)
Abstract
The utility model relates to a dust-absorbing blackboard eraser, which comprises a blackboard eraser and a dust collecting box, wherein the back face of the blackboard eraser is fixedly connected with the dust collecting box, a motor arranged in the dust collecting box is electrically connected with a dust-absorbing fan in the box, a control switch on the top of a box body and a power source power supply in the box, and a back cover of the box body is provided with a battery box. The utility model has the advantages of simple structure and convenient use, and can effectively absorb chalk dust produced in the process of erasing a blackboard.
Description
Technical field the utility model relates to a kind of realia, especially a kind of dust absorption blackboard eraser.
Technical background is present, and the blackboard eraser that teaching is used is the disappear wooden blackboard eraser of dirt function of a kind of nothing, and dust during use is easy to be sucked by the people owing to can't eliminate, and human body is damaged.
The summary of the invention the purpose of this utility model is to overcome above-mentioned said deficiency a kind of dust absorption blackboard eraser simple in structure is provided.
For achieving the above object, the utility model dust absorption blackboard eraser comprises blackboard eraser and dust-collecting box, for blackboard eraser the back side be connected with dust-collecting box, the motor of installing in the dust-collecting box is electrically connected with the interior dust-absorbing fan of box, the gauge tap at box body top, the interior power supply of box, and the box body bonnet is equipped with battery case.
After adopting said structure, starter motor makes dust absorption fan work, produces eddy airstream and sucks and inhale in the dust-collecting box by will the erase the board chalk dust that produces in the process of the dust suction through hole in the felt hair.
The utility model has the advantages that: simple in structure, easy to use, can absorb the chalk dust that produces in the process of erasing the board effectively.
Description of drawings Fig. 1 is the utility model dust absorption blackboard eraser overall structure schematic diagram.
The specific embodiment such as Fig. 1 show, the utility model dust absorption blackboard eraser, comprise blackboard eraser 1 and dust-collecting box 2, for blackboard eraser 1 the back side be connected with dust-collecting box 2, the motor of installing in the dust-collecting box 23 is electrically connected with the interior dust-absorbing fan 4 of box, the gauge tap 5 at box body top, the interior power supply of box, and the box body bonnet is equipped with battery case 6.Starter motor makes dust absorption fan work, produces eddy airstream and sucks and inhale in the dust-collecting box by will the erase the board chalk dust that produces in the process of the dust suction through hole in the felt hair.
Claims (1)
1, a kind of dust absorption blackboard eraser, comprise blackboard eraser (1) and dust-collecting box (2), it is characterized in that: blackboard eraser (1) the back side be connected with dust-collecting box (2), the motor of installing in the dust-collecting box (2) (3) is electrically connected with the interior dust-absorbing fan (4) of box, the gauge tap (5) at box body top, the interior power supply of box, and the box body bonnet is equipped with battery case (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520091152 CN2806186Y (en) | 2005-06-08 | 2005-06-08 | Dust-absorbing blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520091152 CN2806186Y (en) | 2005-06-08 | 2005-06-08 | Dust-absorbing blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2806186Y true CN2806186Y (en) | 2006-08-16 |
Family
ID=36920489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520091152 Expired - Fee Related CN2806186Y (en) | 2005-06-08 | 2005-06-08 | Dust-absorbing blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2806186Y (en) |
-
2005
- 2005-06-08 CN CN 200520091152 patent/CN2806186Y/en not_active Expired - Fee Related
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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 |