CN202368206U - Novel dust-absorption blackboard eraser - Google Patents
Novel dust-absorption blackboard eraser Download PDFInfo
- Publication number
- CN202368206U CN202368206U CN2011205734145U CN201120573414U CN202368206U CN 202368206 U CN202368206 U CN 202368206U CN 2011205734145 U CN2011205734145 U CN 2011205734145U CN 201120573414 U CN201120573414 U CN 201120573414U CN 202368206 U CN202368206 U CN 202368206U
- Authority
- CN
- China
- Prior art keywords
- dust
- blackboard eraser
- absorption
- plate
- novel
- 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
Links
- 238000010521 absorption reaction Methods 0.000 title claims abstract description 19
- 239000000428 dust Substances 0.000 claims abstract description 13
- 230000009286 beneficial effect Effects 0.000 abstract description 4
- 210000004209 hair Anatomy 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 1
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- Drawing Aids And Blackboards (AREA)
Abstract
The utility model provides a novel dust-absorption blackboard eraser, which is characterized in that: a small drawer is arranged in a blackboard eraser erasing plate, wherein one side face of the blackboard eraser erasing plate is connected with eraser hairs, and the other side face of the blackboard eraser erasing plate is connected with a dust-absorption plate; the height of the dust-absorption plate is greater than the height of the blackboard eraser erasing plate; the upper end and the lower end of the dust-absorption plate are provided with dust-absorption openings; a side cover is arranged on the side face of the dust-absorption plate; and a battery box is connected to the backside of the dust-absorption plate. The novel dust-absorption blackboard eraser has the beneficial effects that when the novel dust-absorption blackboard eraser is used, chalks are placed in the small drawer of the blackboard eraser before the class, so that a teacher does not need to repeatedly take the chalks in a teaching process and chalk dust can be absorbed by the dust-absorption plate connected with the blackboard eraser through the dust-absorption openings; and therefore, the teacher can avoid contaminating clothes or absorbing the chalk dust. The novel dust-absorption blackboard eraser is convenient to use and is more beneficial to health of the teachers and students.
Description
Technical field
The utility model relates to a kind of blackboard eraser, particularly a kind of novel dust absorption blackboard eraser.
Background technology
General teacher is saying that the chalk of taking of going that needs class hour one by one writes, and chalk dust can fly upward everywhere, and sucking in the human body also can have harm to people's health.
Summary of the invention
The purpose of the utility model is exactly to solve the problem of mentioning in the above-mentioned background technology, provide a kind of can sucking chalk powder and avoid teachers at the chalk of taking repeatedly can novel dust absorption blackboard eraser.
The technical scheme that the utility model adopts is: a kind of novel dust absorption blackboard eraser; It is characterized in that: in the blackboard eraser wiping board, be provided with a little drawer, blackboard eraser wiping board one side is connected with snag, and the another side is connected with dust-catching board; And the height of dust-catching board is greater than the height of blackboard eraser wiping board; All be provided with suction port in the dust-catching board top and bottom, the side of dust-catching board is provided with side cover, and battery case is connected in the back side of dust-catching board.
The beneficial effect of the utility model is: during use; Can chalk be placed in the little drawer of blackboard eraser before the class; Teacher says does not so just need at the chalk of taking repeatedly class hour, and the dust-catching board that is connected on the blackboard eraser can siphon away chalk dust through suction port, and teachers just avoid making clothes or suction chalk dust dirty like this; Use easily, also more be of value to academics and students' health.
Description of drawings
Below in conjunction with accompanying drawing and instance the utility model is done further explain.
Figure is the structural representation of the utility model.
Among the figure: 1, side cover, 2, battery case, 3, little drawer, 4, the blackboard eraser wiping board, 5, snag.6, suction port, 7, dust-catching board.
The specific embodiment
Like figure, a kind of novel dust absorption blackboard eraser is characterized in that: in blackboard eraser wiping board 4, be provided with a little drawer 3; Blackboard eraser wiping board 4 one sides are connected with snag 5; The another side is connected with dust-catching board 7, and the height of dust-catching board 7 all is provided with suction port 6 greater than the height of blackboard eraser wiping board 4 in dust-catching board 7 top and bottom; The side of dust-catching board 7 is provided with side cover 1, and battery case 2 is connected in the back side of dust-catching board 7.Its beneficial effect is: during use; Can chalk be placed in the little drawer of blackboard eraser before the class; Teacher says does not so just need at the chalk of taking repeatedly class hour, and the dust-catching board that is connected on the blackboard eraser can siphon away chalk dust through suction port, and teachers just avoid making clothes or suction chalk dust dirty like this; Use easily, also more be of value to academics and students' health.
Claims (1)
1. novel dust absorption blackboard eraser; It is characterized in that: in the blackboard eraser wiping board, be provided with a little drawer, blackboard eraser wiping board one side is connected with snag, and the another side is connected with dust-catching board; And the height of dust-catching board is greater than the height of blackboard eraser wiping board; All be provided with suction port in the dust-catching board top and bottom, the side of dust-catching board is provided with side cover, and battery case is connected in the back side of dust-catching board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205734145U CN202368206U (en) | 2011-12-22 | 2011-12-22 | Novel dust-absorption blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205734145U CN202368206U (en) | 2011-12-22 | 2011-12-22 | Novel dust-absorption blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202368206U true CN202368206U (en) | 2012-08-08 |
Family
ID=46591926
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205734145U Expired - Fee Related CN202368206U (en) | 2011-12-22 | 2011-12-22 | Novel dust-absorption blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202368206U (en) |
-
2011
- 2011-12-22 CN CN2011205734145U patent/CN202368206U/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: 20120808 Termination date: 20121222 |