CN202656742U - Dust absorption blackboard eraser - Google Patents
Dust absorption blackboard eraser Download PDFInfo
- Publication number
- CN202656742U CN202656742U CN 201220237661 CN201220237661U CN202656742U CN 202656742 U CN202656742 U CN 202656742U CN 201220237661 CN201220237661 CN 201220237661 CN 201220237661 U CN201220237661 U CN 201220237661U CN 202656742 U CN202656742 U CN 202656742U
- Authority
- CN
- China
- Prior art keywords
- dust
- dust absorption
- battery
- blackboard eraser
- absorption blackboard
- 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 teaching tool, and particularly relates to a dust absorption blackboard eraser which comprises a plurality of rotary drum fur brushes. The dust absorption blackboard eraser is characterized in that the rotary drum fur brushes are respectively connected with a dust absorption device, a dust-powder box is mounted on the outer side of the dust absorption device, a battery is arranged on one side of the dust-powder box and is respectively connected with the rotary drum fur brushes and the dust absorption device, a fur brush button is arranged between the battery and the rotary drum fur brushes, and a dust absorption button is arranged between the battery and the dust absorption device. The dust absorption blackboard eraser has the advantages of being capable of collecting powder and dust wiped off into a box in time, and simple in structure and convenient to operate, avoiding the trouble brought about by flying of the powder and dust, and creating a good teaching environment for students and teachers.
Description
(1) technical field
The utility model relates to a kind of educational aid, particularly a kind of dust absorption blackboard eraser.
(2) background technology
Classmates are when erasing the board, and chalk dust can fly upward everywhere, greatly affected the healthy of classmates, may make classmates suffer from pneumoconiosis or other fearful disease.In addition, the chalk dust that flies upward classmates' the health of also can making dirty delays the time of having a rest and giving a lesson.Therefore, in order to address these problems, invented a kind of dust absorption blackboard eraser.
(3) summary of the invention
The utility model is in order to remedy the deficiencies in the prior art, and a kind of simple in structure, easy to operate, dust absorption blackboard eraser that effect is good is provided.
The utility model is achieved by the following technical solution:
A kind of dust absorption blackboard eraser, comprise some roller brush, it is characterized in that: described roller brush is connected with dust exhaust apparatus respectively, the dust exhaust apparatus outside is equipped with the dirt powder box, dirt powder box one side is provided with battery, battery is connected with dust exhaust apparatus with roller brush respectively, is provided with the hairbrush button between battery and the roller brush, is provided with the dust suction button between battery and the dust exhaust apparatus.
The beneficial effects of the utility model are: the dust under wiping in time can be collected in the box trouble of having avoided dust from flying to bring; Simple in structure, easy to operate, for classmates and teacher have created good teaching environment.
(4) description of drawings
Below in conjunction with accompanying drawing the utility model is further described.
Accompanying drawing 1 is structural representation of the present utility model;
Among the figure, 1 roller brush, 2 dust exhaust apparatuses, 3 dirt powder boxes, 4 batteries, 5 hairbrush buttons, 6 dust suction buttons.
(5) specific embodiment
Accompanying drawing is a kind of specific embodiment of the present utility model.This embodiment comprises some roller brush 1, roller brush 1 is connected with dust exhaust apparatus 2 respectively, dust exhaust apparatus 2 outsides are equipped with dirt powder box 3, dirt powder box 3 one sides are provided with battery 4, battery 4 is connected with dust exhaust apparatus 2 with roller brush 1 respectively, be provided with hairbrush button 5 between battery 4 and the roller brush 1, be provided with dust suction button 6 between battery 4 and the dust exhaust apparatus 2.
Adopt a kind of dust absorption blackboard eraser of the present utility model, during use, open hairbrush button 5, roller brush 1 begins to rotate, and wipes dust, open simultaneously dust suction button 6, dust exhaust apparatus 2 just can will be wiped in the lower dust suction dirt powder box 3, saves bit by bit a certain amount of the time when dust, and it is pulled down, just can empty dust, be convenient to use next time.
Claims (1)
1. dust absorption blackboard eraser, comprise some roller brush (1), it is characterized in that: described roller brush (1) is connected with dust exhaust apparatus (2) respectively, dust exhaust apparatus (2) outside is equipped with dirt powder box (3), dirt powder box (3) one sides are provided with battery (4), battery (4) is connected with dust exhaust apparatus (2) with roller brush (1) respectively, be provided with hairbrush button (5) between battery (4) and the roller brush (1), be provided with dust suction button (6) between battery (4) and the dust exhaust apparatus (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220237661 CN202656742U (en) | 2012-05-25 | 2012-05-25 | Dust absorption blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220237661 CN202656742U (en) | 2012-05-25 | 2012-05-25 | Dust absorption blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202656742U true CN202656742U (en) | 2013-01-09 |
Family
ID=47451670
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220237661 Expired - Fee Related CN202656742U (en) | 2012-05-25 | 2012-05-25 | Dust absorption blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202656742U (en) |
-
2012
- 2012-05-25 CN CN 201220237661 patent/CN202656742U/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: 20130109 Termination date: 20130525 |