CN2639019Y - Electric eraser with device for absorbing chalk dust - Google Patents
Electric eraser with device for absorbing chalk dust Download PDFInfo
- Publication number
- CN2639019Y CN2639019Y CN 03254808 CN03254808U CN2639019Y CN 2639019 Y CN2639019 Y CN 2639019Y CN 03254808 CN03254808 CN 03254808 CN 03254808 U CN03254808 U CN 03254808U CN 2639019 Y CN2639019 Y CN 2639019Y
- Authority
- CN
- China
- Prior art keywords
- brush
- dust
- motor
- electric
- bristle
- 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 eraser with device for absorbing chalk dust, which consists of a dust absorber, an extensible pipe, an electric brush and a handle; wherein the dust absorber is communicated with the electric brush by the extensible pipe, the electric brush is composed of a motor and the brush hair which is connected with the motor by a brush rod, a brushing strip is arranged on the surface of the brush, the brush hair spread out from the brush strip, a switch of electric brush is arranged on the handle, and the motor is connected with the power supply of the dust absorber by the electric brush switch. The utility model improves the environment of classroom, increases the physical and spiritual health of the teachers and students in the classroom, eliminates the problem of flying dust and is convenient to operate.
Description
Technical field
The utility model relates to a kind of teaching aid, especially a kind of electric dust absorption blackboard brush.
Background technology
Present teaching blackboard brush defectiveness commonly used, chalk dust flies upward everywhere during erasing blackboard, influences classroom environment, and the body and mind of Faculty and Students is had certain infringement, if design a kind of dust-absorbing blackboard brush, just can solve the problem of dust from flying.
Summary of the invention
The purpose of this utility model is exactly that a kind of electric dust absorption blackboard brush of avoiding chalk dust to fly upward will be provided.
The purpose of this utility model is achieved in that a kind of electric dust absorption blackboard brush, comprise dust catcher 1, telescoping tube 2, powered brush 3 and handgrip 4, dust catcher 1 is connected with powered brush 3 by telescoping tube 2, powered brush 3 is connected with bristle 7 by brush holder support 6 by motor 5 and forms, brush finish 8 is provided with brush bar 9, bristle 7 is exposed at outside the brush bar 9, and handgrip 4 is provided with wiper switch 10, and motor 5 connects with dust catcher 1 power supply by wiper switch 10.
The utility model is owing to adopt said structure, and motor 5 connects bristle 7 by brush holder support 6, and motor 5 is connected with dust catcher 1 power supply by wiper switch 10, opens wiper switch 10, and bristle 7 constantly rotates and cleans chalk dust with water; Because dust catcher 1 is connected with powered brush 3 by telescoping tube 2, suck in the dust catcher 1 through telescoping tube 2 again, powered brush 3 can be extended by telescoping tube 2 simultaneously and be convenient to clean with water whole blackboard so bristle 7 constantly rotates the chalk dust of cleaning with water; Be exposed to outside the brush bar 9 owing in brush finish 8, being provided with brush bar 9 and bristle 7 again,, brush bar 9 and simultaneously the dust on the bristle 7 is wiped off, keep bristle 7 not accumulate dust so bristle 7 constantly rotates when cleaning with water.
Description of drawings
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Fig. 1 is a structural representation of the present utility model.
The specific embodiment
Structure of the present utility model as shown in Figure 1, a kind of electric dust absorption blackboard brush, comprise dust catcher 1, telescoping tube 2, powered brush 3 and handgrip 4, dust catcher 1 is connected with powered brush 3 by telescoping tube 2, powered brush 3 is connected with bristle 7 by brush holder support 6 by motor 5 and forms, and brush finish 8 is provided with brush bar 9, and bristle 7 is exposed at outside the brush bar 9, handgrip 4 is provided with wiper switch 10, and motor 5 connects with dust catcher 1 power supply by wiper switch 10.
Operation principle of the present utility model is: utilize a lower-powered dust catcher 1, dust catcher 1 can be suspended near the wall of blackboard, dust catcher 1 is connected with powered brush 3 by wiper switch 10 with power supply, powered brush 3 connects brush holder support 6 and bristle 7 by motor 5, hold handgrip 4, open wiper switch 10 and dust catcher 1 switch, powered brush 3 and dust catcher 1 are worked simultaneously, dust under bristle 7 brushes is inhaled into, and when bristle 7 constantly rotated, brush bar 9 was wiped the dust on the bristle 7 off simultaneously, keep not accumulating dust on the bristle 7, avoided dust from flying, kept the classroom environment health, the time spent does not hang over the handgrip 4 of powered brush 3 on the wall.
Claims (1)
1, a kind of electric dust absorption blackboard brush, comprise dust catcher (1), telescoping tube (2), powered brush (3) and handgrip (4), it is characterized in that: dust catcher (1) is connected with powered brush (3) by telescoping tube (2), powered brush (3) is connected with bristle (7) by brush holder support (6) by motor (5) and forms, brush finish (8) is provided with brush bar (9), bristle (7) is exposed at outside the brush bar (9), and handgrip (4) is provided with wiper switch (10), and motor (5) connects with dust catcher (1) power supply by wiper switch (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03254808 CN2639019Y (en) | 2003-07-11 | 2003-07-11 | Electric eraser with device for absorbing chalk dust |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03254808 CN2639019Y (en) | 2003-07-11 | 2003-07-11 | Electric eraser with device for absorbing chalk dust |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2639019Y true CN2639019Y (en) | 2004-09-08 |
Family
ID=34294699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03254808 Expired - Fee Related CN2639019Y (en) | 2003-07-11 | 2003-07-11 | Electric eraser with device for absorbing chalk dust |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2639019Y (en) |
-
2003
- 2003-07-11 CN CN 03254808 patent/CN2639019Y/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 |