CN201703145U - Convenient blackboard eraser - Google Patents
Convenient blackboard eraser Download PDFInfo
- Publication number
- CN201703145U CN201703145U CN2010202417191U CN201020241719U CN201703145U CN 201703145 U CN201703145 U CN 201703145U CN 2010202417191 U CN2010202417191 U CN 2010202417191U CN 201020241719 U CN201020241719 U CN 201020241719U CN 201703145 U CN201703145 U CN 201703145U
- Authority
- CN
- China
- Prior art keywords
- blackboard eraser
- main body
- handle
- blackboard
- convenient
- 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 convenient blackboard eraser belonging to a teaching aid. The structure of the convenient blackboard eraser comprises a main body of the blackboard eraser. The convenient blackboard eraser is characterized in that one end of the main body of the blackboard eraser is provided with a handle, the main body of the blackboard eraser comprises a hairbrush, a back cover and a small-sized dust collector arranged in the back cover, a suction port of the dust collector is positioned at the middle position of the hairbrush, and the side face of the back cover is provided with a switch which is used for controlling the dust collector; and the handle is a telescopic rod. The handle can be expanded and contracted, the condition that some places can not be erased when a blackboard is erased is avoided, the dust collector is arranged in the body of the blackboard eraser, dust is effectively sucked, and the utility model has better environmental protection and is beneficial to the health of teachers and students.
Description
Technical field
The utility model relates to a kind of schooling apparatus, and specifically a kind of Convenient blackboard is wiped.
Background technology
Dust is existed everywhere when erasing the board in the classroom, chalk dust has very big harm to health, respiratory tract is infected, in the course of time, cause respiratory disorders such as respiratory tract infection, asthma, data show, China teachers in primary and middle schools suffer from occupational diseases such as sphagitis, pneumonia more than 60%, the ratio that teachers and students in school suffer from breathing problem also is higher than general crowd, common blackboard eraser can't resolve this problem, in addition, sawed-off erase the board when on duty for the day go up wipe above the blackboard less than, remove stool will be repeatedly about, very inconvenient.
The utility model content
The purpose of this utility model is to provide a kind of Convenient blackboard to wipe, and wiping blackboard structure of the present utility model is simple, and is easy to use, prevent chalk dust infringement people's health, and be provided with telescopic handle, occur when avoiding erasing the board some corners wipe less than situation, have the strong characteristics of generalization.
The technical scheme in the invention for solving the technical problem is: a kind of Convenient blackboard is wiped, its structure comprises the blackboard eraser main body, it is characterized in that, one end of blackboard eraser main body is provided with handle, described blackboard eraser main body comprises hairbrush, bonnet and is located at the interior Small-sized suction cleaner of bonnet, the dust catcher suction inlet is positioned at the centre position of hairbrush, and there is the switch that is used for controlling dust catcher the bonnet side; Described handle is an expansion link.
The beneficial effects of the utility model are: handle can stretch, when having avoided erasing the board some local wipe less than, in the blackboard eraser body dust catcher is set, effective inspiration dust, environmental protection more, useful teachers and students' health.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Among the figure: 1 bonnet, 2 dust catcher suction inlets, 3 hairbrush, 4 switches, 5 handles.
The specific embodiment
As shown in Figure 1.A kind of Convenient blackboard is wiped, its structure comprises the blackboard eraser main body, one end of blackboard eraser main body is provided with handle 5, described blackboard eraser main body comprises hairbrush 3, bonnet 1 and is located at Small-sized suction cleaner in the bonnet 1, dust catcher suction inlet 2 is positioned at the centre position of hairbrush 3, and there is the switch 4 that is used for controlling dust catcher bonnet 1 side; Described handle 5 is an expansion link.
Claims (1)
1. a Convenient blackboard is wiped, its structure comprises the blackboard eraser main body, it is characterized in that, one end of blackboard eraser main body is provided with handle, described blackboard eraser main body comprises hairbrush, bonnet and is located at the interior Small-sized suction cleaner of bonnet, the dust catcher suction inlet is positioned at the centre position of hairbrush, and there is the switch that is used for controlling dust catcher the bonnet side; Described handle is an expansion link.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202417191U CN201703145U (en) | 2010-06-29 | 2010-06-29 | Convenient blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202417191U CN201703145U (en) | 2010-06-29 | 2010-06-29 | Convenient blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201703145U true CN201703145U (en) | 2011-01-12 |
Family
ID=43440296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202417191U Expired - Fee Related CN201703145U (en) | 2010-06-29 | 2010-06-29 | Convenient blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201703145U (en) |
-
2010
- 2010-06-29 CN CN2010202417191U patent/CN201703145U/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: 20110112 Termination date: 20110629 |