CN203221801U - Blackboard eraser - Google Patents
Blackboard eraser Download PDFInfo
- Publication number
- CN203221801U CN203221801U CN 201320238253 CN201320238253U CN203221801U CN 203221801 U CN203221801 U CN 203221801U CN 201320238253 CN201320238253 CN 201320238253 CN 201320238253 U CN201320238253 U CN 201320238253U CN 203221801 U CN203221801 U CN 203221801U
- Authority
- CN
- China
- Prior art keywords
- blackboard eraser
- blackboard
- dust collection
- collection hood
- dust
- 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
Abstract
The utility model provides a blackboard eraser which is characterized by comprising a blackboard eraser body and a dust collection hood. The blackboard eraser body is a commonly-used blackboard eraser. The dust collection hood is arranged on the side wall of the blackboard eraser body. The dust collection hood is round or oval and is elastic arc-shaped rubber skin made of rubber. The diameter of the innermost circle is small, the middle of the dust collection hood protrudes for storing erased dust, and the dust collection hood can be attached to a blackboard by utilizing the elasticity. When the blackboard eraser is used, a user can hold the blackboard eraser with hands and enable the dust collection hood to be attached to the blackboard, the dust collection hood can be made to be attached to the blackboard through elasticity of the dust collection hood in the cleaning process, and the erased dust is collected into the dust collection hood and can not be scattered. After the blackboard is cleaned, the blackboard eraser can be turned over gently in a few seconds, and all the dust is collected into the dust collection hood and then thrown into a garbage can.
Description
Technical field
This blackboard eraser relates to a kind of teaching aid.
Background technology
Traditional blackboard eraser, dust from flying after nuzzling up causes very big influence to the respiratory tract of the Faculty and Students that erase the board, is unfavorable for that the people's is healthy.
Summary of the invention
The shortcoming of dust from flying when erasing the board in order to solve, a kind of blackboard eraser of special invention.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of blackboard eraser, it is characterized in that comprising blackboard eraser and dust shield, described blackboard eraser is common blackboard eraser commonly used, be provided with dust shield at described blackboard eraser sidewall, dust shield is circular or oval, is to be with flexible arc rubber skin with what rubber was made, the inside one loop diameter is smaller, intermediate projections storing the dust wiped, and can utilize the elasticity of self to make dust shield be adjacent to blackboard.During use, hand is taken blackboard eraser, allow dust shield be adjacent to blackboard, the process of wiping allows dust shield be adjacent to blackboard by the elastic force of self, and the dust under wiping is in dust shield, and diffusion is not come out, after having wiped blackboard, stop a little after several seconds blackboard eraser to be turned over gently, dust just all in dust shield, is poured on the dustbin the inside then.
The utility model has the advantages that: 1, simple structure, easy to use; 2, dust shield is set and makes that avoided dust to scatter when erasing the board flies upward, protected that teachers and students' is healthy.
Description of drawings
Fig. 1 is Front view 1 of the present utility model, blackboard eraser 2, dust shield
Fig. 2 is side view 1 of the present utility model, blackboard eraser 2, dust shield
The specific embodiment
Below in conjunction with Figure of description the utility model is done following detailed description.
As shown in Figure 1, a kind of blackboard eraser comprises blackboard eraser and dust shield, and the blackboard eraser periphery is dust shield, and dust shield is to be with flexible arc rubber skin with what rubber was made.
During use, hand is taken blackboard eraser, and the dust shield that allows the rubber leather become is adjacent to blackboard, erases the board then, in the process that erases the board, allows dust shield utilize the elastic force of self to be adjacent to blackboard as far as possible, prevents that dust from overflowing too much from the slit of dust shield and blackboard; After having wiped, stop a little after several seconds blackboard eraser to be turned over gently, dust just all in dust shield, is poured on dust the dustbin the inside then.
Claims (1)
1. blackboard eraser, formed by blackboard eraser and dust shield, it is characterized in that: the blackboard eraser periphery is dust shield, dust shield is circular or oval, be to be with flexible arc rubber skin with what rubber was made, the inside one loop diameter is smaller, intermediate projections, storing the dust wiped, and can utilize the elasticity of self to make dust shield be adjacent to blackboard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320238253 CN203221801U (en) | 2013-05-06 | 2013-05-06 | Blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320238253 CN203221801U (en) | 2013-05-06 | 2013-05-06 | Blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203221801U true CN203221801U (en) | 2013-10-02 |
Family
ID=49248816
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320238253 Expired - Fee Related CN203221801U (en) | 2013-05-06 | 2013-05-06 | Blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203221801U (en) |
-
2013
- 2013-05-06 CN CN 201320238253 patent/CN203221801U/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: 20131002 Termination date: 20140506 |