CN2754903Y - Dust-collecting eraser - Google Patents
Dust-collecting eraser Download PDFInfo
- Publication number
- CN2754903Y CN2754903Y CN 200420054492 CN200420054492U CN2754903Y CN 2754903 Y CN2754903 Y CN 2754903Y CN 200420054492 CN200420054492 CN 200420054492 CN 200420054492 U CN200420054492 U CN 200420054492U CN 2754903 Y CN2754903 Y CN 2754903Y
- Authority
- CN
- China
- Prior art keywords
- dust
- chalk
- casing
- utility
- sheet
- 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 dust-absorbing chalk eraser, which comprises a casing and a chalk eraser sheet, wherein the chalk eraser sheet is fixed on the casing, an output shaft of a motor in the casing is connected with a dust-absorbing blade, a chalk containing cavity is arranged in the casing, one end of the chalk containing cavity is communicated with a dust-absorbing mouth arranged on the chalk eraser sheet through the dust-absorbing blade, the other end is movably connected with a shielding cover of a cover arranged on the casing, the cover is provided with an air ventilating hole and a movable dust separating sheet is also arranged between the cover and the chalk containing cavity. The utility model overcomes the defect of no dust-preventing functions, no clean and thorough erasion of the ordinary chalk eraser existing in the prior art. All chalk dust is absorbed in the chalk containing cavity to be stored by the design when the utility model is used, and environment can not be polluted. The utility model has the advantages of convenient operation and use, simple structure, small size, clean and thorough erasion and strong reliability.
Description
Affiliated technical field
The utility model relates to a kind of dust suction chalkboard eraser.
Background technology
Traditional chalkboard eraser does not generally all have dust reduction capability, in use, dust from flying, contaminated environment not only, and be unfavorable for that teachers and students' is healthy, and the Dust Capacity that traditional chalkboard eraser can adhere to is limited, therefore also has unclean, the halfway problem that wipes.
Summary of the invention
Common chalkboard eraser does not have dust reduction capability in the prior art in order to overcome, wipe unclean, halfway problem, and the utility model provides a kind of dust suction chalkboard eraser, simple in structure, the dust of attracting deposits of this dust suction chalkboard eraser, wipe clean thoroughly, good reliability.
The technical scheme that its technical problem that solves the utility model adopts is: comprise shell and brush sheet, the brush sheet is fixed on the shell, connect the dust suction blade in the shell on the output shaft of motor, be provided with in the shell and hold the powder chamber, an end that holds the powder chamber is communicated with suction port on the brush sheet by the dust suction blade, the other end is hidden by the housing that is movably connected on the shell, and housing is provided with passage.
Between housing and appearance powder chamber, also be provided with movable dust-separation sheet.
The utility model is by above-mentioned specific design, and dust all is inhaled into to hold in the powder chamber and stores in use, do not pollute the environment, and manipulate very convenient, have simple in structure, volume is little, wipe the advantage of clean thorough, good reliability.
Description of drawings
Below in conjunction with drawings and Examples detailed content of the present utility model is described.
Accompanying drawing is a structural representation of the present utility model.
The specific embodiment
As shown in the figure, the utility model comprises shell 1 and brush sheet 2, brush sheet 2 is fixed on the shell 1, connect dust suction blade 5 in the shell 1 on the output shaft 4 of motor 3, be provided with in the shell 1 and hold powder chamber 6, an end that holds powder chamber 6 is communicated with suction port 7 on the brush sheet 2 by dust suction blade 5, and the other end is by housing 8 coverings that are movably connected on the shell 1, housing 8 is provided with passage 9, also is provided with movable dust-separation sheet 10 between housing 8 and appearance powder chamber 6.In use, dust is inhaled into to hold in the powder chamber 6 by dust suction blade 5 and stores, and the dust in holding powder chamber 6 is stored into when a certain amount of, can open housing 8 and movable dust-separation sheet 10 and outwell dust and continue use.The effect of movable dust-separation sheet 10 is that the dust that holds in the powder chamber 6 in use can not discharged from passage 9.
Claims (2)
1, a kind of dust suction chalkboard eraser, comprise shell and brush sheet, it is characterized in that brush sheet (2) is fixed on the shell (1), the output shaft (4) of the interior motor of shell (1) (3) is gone up and is connected dust suction blade (5), be provided with in the shell (1) and hold powder chamber (6), an end that holds powder chamber (6) is communicated with suction port (7) on the brush sheet (2) by dust suction blade (5), and the other end is by housing (8) covering that is movably connected on the shell (1), and housing (8) is provided with passage (9).
2, dust suction chalkboard eraser according to claim 1 is characterized in that at housing (8) and holds between the powder chamber (6) also being provided with movable dust-separation sheet (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420054492 CN2754903Y (en) | 2004-12-14 | 2004-12-14 | Dust-collecting eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420054492 CN2754903Y (en) | 2004-12-14 | 2004-12-14 | Dust-collecting eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2754903Y true CN2754903Y (en) | 2006-02-01 |
Family
ID=35928536
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420054492 Expired - Fee Related CN2754903Y (en) | 2004-12-14 | 2004-12-14 | Dust-collecting eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2754903Y (en) |
-
2004
- 2004-12-14 CN CN 200420054492 patent/CN2754903Y/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 |