CN201856546U - Dust collection blackboard eraser - Google Patents
Dust collection blackboard eraser Download PDFInfo
- Publication number
- CN201856546U CN201856546U CN2010205971216U CN201020597121U CN201856546U CN 201856546 U CN201856546 U CN 201856546U CN 2010205971216 U CN2010205971216 U CN 2010205971216U CN 201020597121 U CN201020597121 U CN 201020597121U CN 201856546 U CN201856546 U CN 201856546U
- Authority
- CN
- China
- Prior art keywords
- dust
- blackboard eraser
- handle
- dust collection
- dust collector
- 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
A dust collection blackboard eraser belongs to teaching aids and mainly solves the problem that a traditional blackboard eraser is easy to cause dust flying during use. The dust collection blackboard eraser comprises a handle and an eraser head, and is characterized in that a dust collector is arranged in the handle, a dust collection hole of the dust collector is communicated with the interior of the eraser head, the dust collector is provided with a power supply device, and a switch is arranged on the surface of the handle. When the dust collection blackboard eraser is used, the dust collector starts operating after the switch is operated, chalk dust erased with the blackboard eraser is collected by the dust collector, dust pollution is avoided, teachers and students are far away from an important pollution source in studying environment, and a clean and environment-friendly space is created for study in a school.
Description
Technical field
The utility model relates to a kind of teaching aid, specifically is a kind of dust absorption blackboard eraser.
Background technology
Class hour on to the student, teacher can erase the board every now and then, following class hour, the student on duty classmate also will erase the board, chalk powder will drop on one after another teacher and classmates on hand and on one's body, the dust that flies upward also can be inhaled in the lung, because the specific physical performance of chalk, this can cause very big injury to health, the pneumoconiosis and the various acute and chronic breathing problem that cause as dust, dust can also bring out other disease to the injury of eyes, ear, skin, to the influence of air quality and to influence of myopia or the like.If but a kind of blackboard eraser of dust suction can be arranged, will be useful especially to teacher and classmates' physical and mental health.
The utility model content
The purpose of this utility model is to provide a kind of dust absorption blackboard eraser, and this blackboard eraser can absorb the dust that causes when blackboard eraser uses, and effectively prevents and reduce harm that dust from flying causes human body and to the pollution of environment.
The technical scheme in the invention for solving the technical problem is: a kind of dust absorption blackboard eraser, comprise handle and wipe head, it is characterized in that, be provided with a dust catcher in the described handle, the air suction opening of described dust catcher feeds to be wiped in the head, self has electric supply installation dust catcher, and switch is located at the surface of handle.
The beneficial effects of the utility model are: solved dust from flying when erasing the board, the able-bodied technical problem of harm Faculty and Students, and simple to operate, with low cost, easy to use.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Among the figure: 1 wipes head, 2 handles.
The specific embodiment
As shown in Figure 1.A kind of dust absorption blackboard eraser comprises handle 2 and wipes 1, is provided with a dust catcher in the described handle 2, and the air suction opening of described dust catcher feeds to be wiped in 1, and self has electric supply installation dust catcher, and switch is located at the surface of handle 2.
During use, console switch, dust catcher work, chalk powder under blackboard eraser wiping this moment is sucked by dust catcher, avoided dust pollution, make teacher and classmates, created the space of a cleaning, environmental protection for the learning life of school away from important pollution sources in the academic environment.
Claims (1)
1. a dust absorption blackboard eraser comprises handle and wipes head, it is characterized in that, is provided with a dust catcher in the described handle, and the air suction opening of described dust catcher feeds to be wiped in the head, and self has electric supply installation dust catcher, and switch is located at the surface of handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205971216U CN201856546U (en) | 2010-11-09 | 2010-11-09 | Dust collection blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205971216U CN201856546U (en) | 2010-11-09 | 2010-11-09 | Dust collection blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201856546U true CN201856546U (en) | 2011-06-08 |
Family
ID=44102362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205971216U Expired - Fee Related CN201856546U (en) | 2010-11-09 | 2010-11-09 | Dust collection blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201856546U (en) |
-
2010
- 2010-11-09 CN CN2010205971216U patent/CN201856546U/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: 20110608 Termination date: 20111109 |