CN201800401U - Dustproof blackboard eraser - Google Patents
Dustproof blackboard eraser Download PDFInfo
- Publication number
- CN201800401U CN201800401U CN2010205520283U CN201020552028U CN201800401U CN 201800401 U CN201800401 U CN 201800401U CN 2010205520283 U CN2010205520283 U CN 2010205520283U CN 201020552028 U CN201020552028 U CN 201020552028U CN 201800401 U CN201800401 U CN 201800401U
- Authority
- CN
- China
- Prior art keywords
- cover body
- eraser
- blackboard eraser
- dust
- utility
- 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 aid, in particular to a dustproof blackboard eraser, which comprises an eraser body and erasing hairs fixed on one side of an eraser body. The dustproof blackboard eraser is characterized in that a hollow cover body is covered outside the eraser body; two support rods are symmetrically arranged on the inner wall at the upper end of the cover body; the other ends of the support rods are respectively connected with two sides of the eraser body; cotton cloth is attached to the inner wall of the cover body; and a handle is arranged on the outer wall at the top end of the cover body. Therefore, the utility model has the beneficial effects that the dustproof blackboard eraser has simple structure and is convenient and practical; and a large amount of dust generated in the process of erasing the blackboard is covered and adsorbed by the cover body and the cotton cloth in the cover body so as to reduce the harm of the dust to a human body.
Description
(1) technical field
The utility model relates to a kind of teaching aid, particularly a kind of dust-proof blackboard eraser.
(2) background technology
Blackboard eraser is a teaching aid indispensable in the teaching, existing blackboard eraser generally all is made up of rub body and snag, though it is more convenient when using, but can produce a large amount of dust in the process that erases the board, not only contaminated environment also endangers the healthy of teachers and students, and this has brought a lot of troubles to teaching.
(3) summary of the invention
The utility model provides a kind of dust-proof blackboard eraser that reduces dust pollution in order to remedy the deficiencies in the prior art.
The utility model is achieved by the following technical solution:
A kind of dust-proof blackboard eraser, comprise rub body and the snag of being fixed in rub body one side, its special character is: described rub body is covered with a hollow cover body, be symmetrically installed with two support bars on the inwall of cover body upper end, the other end of support bar is connected with the both sides of rub body respectively, with cotton, the outer wall on cover body top is provided with handle on the inwall of cover body.
Therefore, the beneficial effects of the utility model are: this dust-proof blackboard eraser, and simple in structure, convenient and practical, cover and adsorb by will erase the board a large amount of dust of producing in the process of the cotton in cover body and the cover body, to reduce the harm of dust human body.
(4) description of drawings
Below in conjunction with accompanying drawing the utility model is further described.
Accompanying drawing is a structural representation of the present utility model.
Among the figure, 1 rub body, 2 snags, 3 cover bodies, 4 support bars, 5 handles.
(5) specific embodiment
Accompanying drawing is a kind of specific embodiment of the present utility model.This embodiment comprises rub body 1 and the snag 2 of being fixed in rub body 1 one sides, rub body 1 is covered with a hollow cover body 3, be symmetrically installed with two support bars 4 on the inwall of cover body 3 upper ends, the other end of support bar 4 is connected with the both sides of rub body 1 respectively, with cotton, the outer wall on cover body 3 tops is provided with handle 5 on the inwall of cover body 3.
Adopt dust-proof blackboard eraser of the present utility model, earlier that the cotton in the cover body 3 is moistening when erasing the board, hold handle 5 then, the blackboard wiping to be aimed in snag 2 get final product, cover body 3 can cover a large amount of dust that produce in the wiping process, and cotton adsorbs dust again.Therefore, the beneficial effects of the utility model are: this dust-proof blackboard eraser, and simple in structure, convenient and practical, cover and adsorb by will erase the board a large amount of dust of producing in the process of the cotton in cover body and the cover body, to reduce the harm of dust human body.
Claims (1)
1. dust-proof blackboard eraser, the snag (2) that comprises rub body (1) and be fixed in rub body (1) one side, it is characterized in that: described rub body (1) is covered with a hollow cover body (3), be symmetrically installed with two support bars (4) on the inwall of cover body (3) upper end, the other end of support bar (4) is connected with the both sides of rub body (1) respectively, with cotton, the outer wall on cover body (3) top is provided with handle (5) on the inwall of cover body (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205520283U CN201800401U (en) | 2010-10-08 | 2010-10-08 | Dustproof blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205520283U CN201800401U (en) | 2010-10-08 | 2010-10-08 | Dustproof blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201800401U true CN201800401U (en) | 2011-04-20 |
Family
ID=43869918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205520283U Expired - Fee Related CN201800401U (en) | 2010-10-08 | 2010-10-08 | Dustproof blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201800401U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105856923A (en) * | 2015-09-16 | 2016-08-17 | 陈杰 | Dustproof blackboard eraser cover |
| CN108357251A (en) * | 2018-01-26 | 2018-08-03 | 上海市格致中学 | A kind of dust-proof blackboard eraser |
-
2010
- 2010-10-08 CN CN2010205520283U patent/CN201800401U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105856923A (en) * | 2015-09-16 | 2016-08-17 | 陈杰 | Dustproof blackboard eraser cover |
| CN108357251A (en) * | 2018-01-26 | 2018-08-03 | 上海市格致中学 | A kind of dust-proof blackboard eraser |
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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: 20110420 Termination date: 20111008 |