CN2559498Y - Dust removing blackboard erazer - Google Patents
Dust removing blackboard erazer Download PDFInfo
- Publication number
- CN2559498Y CN2559498Y CN 02263244 CN02263244U CN2559498Y CN 2559498 Y CN2559498 Y CN 2559498Y CN 02263244 CN02263244 CN 02263244 CN 02263244 U CN02263244 U CN 02263244U CN 2559498 Y CN2559498 Y CN 2559498Y
- Authority
- CN
- China
- Prior art keywords
- dust
- air inlet
- base plate
- fixed
- drawing fan
- 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 blackboard eraser, in particular to a dust removal blackboard eraser capable of absorbing dust. The utility model comprises a motherboard which is fixed with a layer of an eraser body on the outer side; an air inlet is opened in the middle of the motherboard and the eraser body; a drawing fan in the same axle with the air inlet is fixed on the inner side of the motherboard; a cloth bag filter is sleeved on the periphery of the drawing fan; the edge of the opening of the cloth bag filter is fixed on the edge of the motherboard and a power line of the drawing fan traverses through the motherboard. The utility model can absorb the dust while erasing the writing of the chalk to avoid the dust from flying everywhere.
Description
Technical field
The utility model relates to a kind of blackboard eraser, particularly a kind of dust-removing blackboard eraser of absorbing dust.
Background technology
Existing blackboard eraser is when wiping chalk writing, and a large amount of dust fly upward everywhere, contaminated environment not only, and influence the healthy of teacher, student.
Summary of the invention
Technical problem to be solved in the utility model is, a kind of dust-removing blackboard eraser is provided, and makes it absorb dust when wiping chalk writing, prevents that dust from flying upward everywhere.
Dust-removing blackboard eraser of the present utility model comprises a base plate, be fixed with one deck hair rub body at plate outer side, center at base plate and hair rub body has an air inlet, be fixed with a drawing fan coaxial with air inlet in the inboard of base plate, be with a cloth bag filtering bodies in the periphery of drawing fan, the edge of opening of cloth bag filtering bodies is fixed on the edge of above-mentioned base plate, and the power line of drawing fan is by passing on the base plate.In addition, also be distributed with the dust passage of several levels on above-mentioned hair rub body, the dust passage communicates with above-mentioned air inlet.
The utility model can start drawing fan when erasing the board, make chalk dust be inhaled into the cloth bag filtering bodies, and can not fly upward everywhere, has not only avoided the infringement of dust to Faculty and Students' health, and also has been convenient to the cleaning of chalk dust.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is that the A of Fig. 1 is to view.
The specific embodiment
As shown in the figure, this dust-removing blackboard eraser comprises a base plate 1 and is fixed on one deck hair rub body 2 of plate outer side, center at base plate and hair rub body has an air inlet 4, be fixed with a drawing fan 3 coaxial with air inlet in the inboard of base plate, be with a cloth bag filtering bodies 5 in the periphery of drawing fan, the edge of opening of cloth bag filtering bodies is fixed on the edge of base plate 1, and the power line of drawing fan is by passing on the base plate.In order to reach better pick-up performance, hair rub body 2 on also be distributed with the dust passage 6 (as shown in Figure 2) of several levels, the dust passage communicates with circular air inlet 4, it moves towards to be the tangential direction of air inlet 4.
Claims (3)
1, a kind of dust-removing blackboard eraser, it comprises a base plate (1) and is fixed on one deck hair rub body (2) of plate outer side, it is characterized in that: the center at base plate (1) and hair rub body (2) has an air inlet (4), be fixed with a drawing fan coaxial (3) with air inlet in the inboard of base plate, be with a cloth bag filtering bodies (5) in the periphery of drawing fan, the edge of opening of cloth bag filtering bodies is fixed on the edge of above-mentioned base plate (1), and the power line of drawing fan is by passing on the base plate.
2, dust-removing blackboard eraser according to claim 1 is characterized in that: be distributed with several horizontal dust passages (6) on above-mentioned hair rub body (2), the dust passage communicates with above-mentioned air inlet (4).
3, blackboard eraser according to claim 1 and 2 is characterized in that: described air inlet (4) is for circular, and the trend of dust passage (6) is the tangential direction of air inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02263244 CN2559498Y (en) | 2002-07-18 | 2002-07-18 | Dust removing blackboard erazer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02263244 CN2559498Y (en) | 2002-07-18 | 2002-07-18 | Dust removing blackboard erazer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2559498Y true CN2559498Y (en) | 2003-07-09 |
Family
ID=33729673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02263244 Expired - Fee Related CN2559498Y (en) | 2002-07-18 | 2002-07-18 | Dust removing blackboard erazer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2559498Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103963519A (en) * | 2014-01-01 | 2014-08-06 | 梅有智 | Electric water-spraying dust-suction blackboard eraser |
-
2002
- 2002-07-18 CN CN 02263244 patent/CN2559498Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103963519A (en) * | 2014-01-01 | 2014-08-06 | 梅有智 | Electric water-spraying dust-suction blackboard eraser |
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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 |