CN201148083Y - Absorbent blackboard eraser - Google Patents
Absorbent blackboard eraser Download PDFInfo
- Publication number
- CN201148083Y CN201148083Y CNU2007201994823U CN200720199482U CN201148083Y CN 201148083 Y CN201148083 Y CN 201148083Y CN U2007201994823 U CNU2007201994823 U CN U2007201994823U CN 200720199482 U CN200720199482 U CN 200720199482U CN 201148083 Y CN201148083 Y CN 201148083Y
- Authority
- CN
- China
- Prior art keywords
- base
- dust
- dust absorption
- blackboard eraser
- screen pack
- 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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Abstract
The utility model discloses an electric dust collection blackboard eraser, mainly comprising a base, a dust-collection fan, a charge power supply, a smooth hopper, a dust bin and a filter screen. The electric dust collection blackboard eraser is basically characterized in that the brush hair is fixed on the base. The base is provided with a base cover, and the base cover is clampped onto the base by a draw-in gear. The dust-collection fan is also mounted inside the base. The filter screen and the smooth hopper are arranged on both sides of the dust-collection fan. A great number of dust collection holes are arranged on the base (mounted with brush hair) corresponding to the dust-collection fan.
Description
Technical field
The utility model relates to a kind of teaching aid, is specially a kind of blackboard eraser.
Background technology
Also there is not at present a kind of blackboard eraser that can solve the problem that causes chalk dust when erasing the board with general applicability.
The utility model content
The purpose of this utility model is to provide a kind of practicality, better solves the rechargeable dust absorption blackboard eraser of chalk dust problem.
Rechargeable dust absorption blackboard eraser provided by the utility model, can adopt following scheme to realize:
A kind of rechargeable dust absorption blackboard eraser mainly comprises base, bristle, dust absorption fan, charge power supply, power switch, smooth funnel, dust storehouse, screen pack, it is characterized in that: described bristle is fixed on the base.
Described base is furnished with base cover, and base cover is stuck on the base by dop.Dust absorption fan also is housed in the base.The dust absorption fan both sides are respectively screen pack and smooth funnel.The base portion that bristle is housed of dust absorption fan correspondence has a large amount of air suction openings.
Screen pack is contained in a side of base, is made by the smooth cloth that multilayer is fine and close, is discharged through screen pack by the air of dust absorption fan inspiration.One of screen pack is housed during use faces up, make the dust that filters out falling in the smooth funnel relative as much as possible, do not work on and do not influence screen pack with it.Drop on dust in the smooth funnel in the dust storehouse that enters under the gravity effect below the smooth funnel, thereby prevent to be sent to once more on the screen pack, cause and repeat to filter.
Described charge power supply is fixed in the dust storehouse, and charging inlet is a USB interface.
Described power switch is positioned at chassis outer side, the one side relative with screen pack.
Using method of the present utility model is: the side that screen pack will be housed turns on the power switch the startup dust absorption fan up, just can be as using ordinary blackboard eraser use.After using, open base cover, pour out dust and get final product.
Beneficial effect: the utility model is simple in structure, and feasibility is strong, adopts the USB charging inlet, does not need to join in addition charger, can use the computer charging.Be provided with the dust storehouse, prevented to repeat to filter.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
The specific embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
With reference to Fig. 1, a kind of rechargeable dust absorption blackboard eraser mainly comprises base 1, bristle 2, dust absorption fan 6, charge power supply 8, power switch 7, smooth funnel 10, dust storehouse 11, screen pack 5, it is characterized in that: described bristle 2 is fixed on the base 1.
Described base 1 is furnished with base cover 9, and base cover 9 is stuck on the base 1 by dop.Dust absorption fan 6 also is housed in the base 1.Dust absorption fan 6 both sides are respectively screen pack 5 and smooth funnel 10.The base that bristle 2 is housed 1 part of dust absorption fan 6 correspondences has a large amount of air suction openings 3.
Described charge power supply 8 is fixed on 11 li in dust storehouse, and charging inlet 4 is a USB interface.
Described power switch 7 is positioned at the relative one side of base 1 outside and screen pack 5.
Using method of the present utility model is: the side that screen pack will be housed turns on the power switch the startup dust absorption fan up, just can be as using ordinary blackboard eraser use.After using, open base cover, pour out dust and get final product.
More than show and described basic principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that describes in the foregoing description and the specification just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (2)
1, a kind of dust absorption blackboard eraser mainly comprises base, bristle, dust absorption fan, charge power supply, power switch, smooth funnel, dust storehouse, screen pack, it is characterized in that: described base is furnished with base cover, base cover is stuck on the base by dop, dust absorption fan also is housed in the base, the dust absorption fan both sides are respectively screen pack and smooth funnel, and the base portion that bristle is housed of dust absorption fan correspondence has a large amount of air suction openings; Screen pack is contained in a side of base, is made by the smooth cloth that multilayer is fine and close.
2, dust absorption blackboard eraser according to claim 1 is characterized in that described charge power supply is fixed in the dust storehouse, and the charging inlet of charge power supply is a USB interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201994823U CN201148083Y (en) | 2007-12-19 | 2007-12-19 | Absorbent blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201994823U CN201148083Y (en) | 2007-12-19 | 2007-12-19 | Absorbent blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201148083Y true CN201148083Y (en) | 2008-11-12 |
Family
ID=40115849
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201994823U Expired - Fee Related CN201148083Y (en) | 2007-12-19 | 2007-12-19 | Absorbent blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201148083Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104029546A (en) * | 2014-06-24 | 2014-09-10 | 广西博士海意信息科技有限公司 | Dust-free blackboard eraser |
-
2007
- 2007-12-19 CN CNU2007201994823U patent/CN201148083Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104029546A (en) * | 2014-06-24 | 2014-09-10 | 广西博士海意信息科技有限公司 | Dust-free blackboard eraser |
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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: 20081112 Termination date: 20100119 |