CN202498914U - Dust absorption blackboard eraser - Google Patents
Dust absorption blackboard eraser Download PDFInfo
- Publication number
- CN202498914U CN202498914U CN2012200388615U CN201220038861U CN202498914U CN 202498914 U CN202498914 U CN 202498914U CN 2012200388615 U CN2012200388615 U CN 2012200388615U CN 201220038861 U CN201220038861 U CN 201220038861U CN 202498914 U CN202498914 U CN 202498914U
- Authority
- CN
- China
- Prior art keywords
- brush body
- brush
- blackboard eraser
- switch
- dust absorption
- 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 discloses a dust absorption blackboard eraser. The dust absorption blackboard eraser is characterized in that the dust absorption blackboard eraser comprises bristles, a brush body, a handle and a switch; the brush body is shaped as a hollow tetrahedron; a sealed cavity is in the brush body; the bristles are arranged on the brush surface of the brush body; an absorption hole is arranged on the brush surface; a fan is arranged on a position in the cavity in the brush body, wherein the position in the cavity in the brush body directly faces the adsorption hole; a direct-current motor for driving the fan is arranged in the cavity in the brush body; the handle is arranged on a corner angle of the brush body, wherein the corner angle of the brush body is opposite to the brush surface; the switch is arranged on the handle; and the switch is connected with the direct-current motor with a lead. When a user cleans a blackboard, the user turns on the switch, and the direct-current motor rotates. Chalk dusts are absorbed into the blackboard eraser. With the blackboard eraser, some corner positions of the blackboard can be conveniently and rapidly cleaned. In addition, chalk dusts do not fly everywhere, which protects the environment and is conducive to the health of teachers and students.
Description
Technical field
The utility model relates to a kind of blackboard eraser, is a kind of dust absorption blackboard eraser specifically.
Background technology
Traditional blackboard eraser is rectangular, when some corner locations that erase the board, be difficult for wiping clean, and chalk dust flies upward everywhere, has caused the decline of air quality, and chalk dust falls a position of giving in room, is difficult to cleaning.
The utility model content
The technical assignment of the utility model is to above-mentioned deficiency of the prior art a kind of dust absorption blackboard eraser to be provided; This blackboard eraser can conveniently be wiped clean some corner locations of blackboard; And chalk dust can not fly upward everywhere, has protected environment, helps the healthy of teachers and students.
The utility model solves the technical scheme that its technical problem adopted: a kind of dust absorption blackboard eraser, it is characterized in that, and comprise bristle, brush body, handgrip and switch; Brush body is the tetrahedron shape of hollow, and is an airtight cavity in the inside of brush body, and bristle is installed in the brush finish of brush body; In brush finish, be provided with adsorption hole; In the brush body internal cavities, be provided with fan over against the adsorption hole place, the direct current generator of drive fan also is installed in the cavity of brush body, handgrip is installed on the drift angle of the brush body relative with brush finish; Switch is located on the handgrip, and switch is connected through lead with direct current generator and gets final product.
The utlity model has following outstanding beneficial effect: because brush finish is leg-of-mutton, thereby this blackboard eraser can conveniently be wiped clean some corner locations of blackboard; Because blackboard eraser can dust suction, chalk dust can not fly upward everywhere, has protected environment, helps the healthy of teachers and students.
Description of drawings
Accompanying drawing 1 is the structural representation of the utility model.
Description of reference numerals: 1 handgrip, 2 switches, 3 brush bodies, 4 bristles, 5 direct current generators, 6 fans, 7 adsorption holes.
The specific embodiment
As shown in the figure, a kind of dust absorption blackboard eraser is characterized in that; Comprise bristle 4, brush body 3, handgrip 1 and switch 2, brush body 3 is tetrahedron shapes of hollow, and is an airtight cavity in the inside of brush body 3; Bristle 4 is installed in the brush finish of brush body 3, in brush finish, is provided with adsorption hole 7, in brush body 3 internal cavities, is provided with fan 6 over against adsorption hole 7 places; The direct current generator 5 of drive fan 6 also is installed in the cavity of brush body 3; Handgrip 1 is installed on the drift angle of the brush body 3 relative with brush finish, and switch 2 is located on the handgrip 1, and switch 2 is connected through lead with direct current 5 machines and gets final product.
Open switch 2 when erasing the board, direct current generator 5 just can rotate, and chalk dust can be inhaled into the inside of blackboard eraser, has protected environment, helps the healthy of teachers and students.
Claims (1)
1. a dust absorption blackboard eraser is characterized in that, comprises bristle, brush body, handgrip and switch; Brush body is the tetrahedron shape of hollow, and is an airtight cavity in the inside of brush body, and bristle is installed in the brush finish of brush body; In brush finish, be provided with adsorption hole, in the brush body internal cavities, be provided with fan, the direct current generator of drive fan also is installed in the cavity of brush body over against the adsorption hole place; Handgrip is installed on the drift angle of the brush body relative with brush finish, and switch is located on the handgrip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200388615U CN202498914U (en) | 2012-02-08 | 2012-02-08 | Dust absorption blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200388615U CN202498914U (en) | 2012-02-08 | 2012-02-08 | Dust absorption blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202498914U true CN202498914U (en) | 2012-10-24 |
Family
ID=47035539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200388615U Expired - Fee Related CN202498914U (en) | 2012-02-08 | 2012-02-08 | Dust absorption blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202498914U (en) |
-
2012
- 2012-02-08 CN CN2012200388615U patent/CN202498914U/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 | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121024 Termination date: 20130208 |