CN2647592Y - Electric blackboard eraser with means for absorbing the chalk dust - Google Patents
Electric blackboard eraser with means for absorbing the chalk dust Download PDFInfo
- Publication number
- CN2647592Y CN2647592Y CN 200320115563 CN200320115563U CN2647592Y CN 2647592 Y CN2647592 Y CN 2647592Y CN 200320115563 CN200320115563 CN 200320115563 CN 200320115563 U CN200320115563 U CN 200320115563U CN 2647592 Y CN2647592 Y CN 2647592Y
- Authority
- CN
- China
- Prior art keywords
- dust
- cavity
- utility
- chalkboard eraser
- collection box
- 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 an electric blackboard eraser without chalk dust which is provided with an electric dust exhaust apparatus, namely a motor and a blade. When the utility model is used, the blade is used for sucking air to suck the wiped dust into a dust collection box. In addition, a cleaning brush is designed into two parts with a dust absorption channel in the middle, and a fast-pulley or a ball is installed on the dust absorption channel so as to make the acting surface of the eraser always move along the middle portion. The generated dust is sucked into the collection box through the blade from the middle dust absorption channel so that the dust no longer floats all around and the teaching environment is purified, and the utility model is profitable for the teachers' and the students' good health.
Description
Technical field
The utility model relates to a kind of teaching aid, specifically a kind of driven dust-free chalkboard eraser.
Background technology
Common chalkboard eraser in use can produce a large amount of dust, thereby influences the healthy of Faculty and Students.
Summary of the invention
The purpose that the utility model relates to just is to provide a kind of driven dust-free chalkboard eraser of eliminating or reducing dust.
The purpose that the utility model relates to is achieved in that a kind of driven dust-free chalkboard eraser, and described chalkboard eraser is made up of cavity 5 and the cleaning brush 1 that is contained on the cavity 5; Cavity 5 is divided into two-layer, and motor 7 batteries 8 and switch 6 are equipped with in the upper strata; Dust collection box 3 and flabellum 2 then are equipped with in lower floor, and dust collection box 3 is positioned at flabellum 2 both sides, and flabellum 2 is contained on the power transmission shaft of motor 7.
Described cleaning brush 1 separated into two parts, the centre is a dust-absorbing flue 10.
Dust-absorbing flue 10 parts of described cleaning brush 1 are equipped with the fixed pulley or the spheroid 9 of control chalkboard eraser operative orientation, and fixed pulley or spheroid 9 are contained on the cavity 5 by support 4.
The utility model has been adorned an electric dust absorption device in chalkboard eraser, promptly motor and flabellum during use, utilize flabellum to produce an exhausting function, and the dust of wiping is sucked in the dust collection box; In addition, cleaning brush is designed to two parts, dust-absorbing flue is reserved in the centre, and fixed pulley or spheroid be installed on dust-absorbing flue, working face moves along mid portion all the time when making chalkboard eraser work, and the dust of generation is collected the dust inspiration in the box through flabellum from middle dust-absorbing flue, thereby dust is disorderly flown no longer everywhere, thereby purified teaching environment, helped the healthy of teachers and students.
Description of drawings
Fig. 1 is the utility model structure chart
Fig. 2 is the right view of Fig. 1
Fig. 3 is the utility model circuit theory diagrams
The specific embodiment
Embodiment 1: shown in Fig. 1,2 and 3, a kind of driven dust-free chalkboard eraser is made up of cavity 5 and the cleaning brush 1 that is contained on the cavity 5; Cavity 5 is divided into two-layer, and motor 7 batteries 8 and switch 6 are equipped with in the upper strata; Dust collection box 3 and flabellum 2 then are equipped with in lower floor, and dust collection box 3 is positioned at flabellum 2 both sides, and flabellum 2 is contained on the power transmission shaft of motor 7.Cleaning brush 1 separated into two parts, the centre is a dust-absorbing flue 10.In dust-absorbing flue 10 parts fixed pulley or the spheroid 9 of controlling the chalkboard eraser operative orientation is housed, fixed pulley or spheroid 9 are contained on the cavity 5 by support 4.
Claims (3)
1, a kind of driven dust-free chalkboard eraser is characterized in that described chalkboard eraser is made up of cavity (5) and the cleaning brush (1) that is contained on the cavity (5); Cavity (5) is divided into two-layer, and motor (7), battery (8) and switch (6) are equipped with in the upper strata; Dust collection box (3) and flabellum (2) then are equipped with in lower floor, and dust collection box (3) is positioned at flabellum (2) both sides, and flabellum (2) is contained on the power transmission shaft of motor (7).
2, chalkboard eraser as claimed in claim 1 is characterized in that described cleaning brush (1) separated into two parts, and the centre is dust-absorbing flue (10).
3, chalkboard eraser as claimed in claim 1 is characterized in that dust-absorbing flue (10) part of described cleaning brush (1) is equipped with the fixed pulley or the spheroid (9) of control chalkboard eraser operative orientation, and fixed pulley or spheroid (9) are contained on the cavity (5) by support (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320115563 CN2647592Y (en) | 2003-10-23 | 2003-10-23 | Electric blackboard eraser with means for absorbing the chalk dust |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320115563 CN2647592Y (en) | 2003-10-23 | 2003-10-23 | Electric blackboard eraser with means for absorbing the chalk dust |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2647592Y true CN2647592Y (en) | 2004-10-13 |
Family
ID=34345936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200320115563 Expired - Fee Related CN2647592Y (en) | 2003-10-23 | 2003-10-23 | Electric blackboard eraser with means for absorbing the chalk dust |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2647592Y (en) |
-
2003
- 2003-10-23 CN CN 200320115563 patent/CN2647592Y/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 |