CN203093530U - Blackboard eraser - Google Patents
Blackboard eraser Download PDFInfo
- Publication number
- CN203093530U CN203093530U CN 201320082812 CN201320082812U CN203093530U CN 203093530 U CN203093530 U CN 203093530U CN 201320082812 CN201320082812 CN 201320082812 CN 201320082812 U CN201320082812 U CN 201320082812U CN 203093530 U CN203093530 U CN 203093530U
- Authority
- CN
- China
- Prior art keywords
- cover body
- eraser
- blackboard eraser
- blackboard
- lower side
- 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 discloses a blackboard eraser which comprises an eraser body. Bristles are arranged on the lower surface of the eraser body. A handle is arranged on the upper surface of the eraser body. The eraser body is further provided with a cover body with the bottom face opened and the lower side opened. The bristles stretch outside the cover body. The blackboard eraser has the advantages that a structure is simple; and the cover body with the bottom face opened and the lower side opened is arranged on the eraser body and the bristles stretch out of the cover body so that when a blackboard is erased, most of dust generated is collected in the cover body and falls down through an opening in the lower side of the cover body, and therefore the capacity of the generated dust is greatly reduced and the blackboard eraser is beneficial to keeping the health of students and teachers.
Description
Technical field
The utility model relates to a kind of educational aid, particularly a kind of blackboard eraser.
Background technology
At present, in the literal that the chalk of existing blackboard eraser on wiping blackboard write as, symbol and the numeral, can produce a large amount of dust and spread in the air, cause very big injury to human body.
Summary of the invention
Problem to be solved in the utility model is: a kind of simple in structure, blackboard eraser that can reduce when erasing the board the Dust Capacity that produces significantly is provided.
In order to solve the problems of the technologies described above, blackboard eraser of the present utility model comprises rub body, the lower surface of described rub body is provided with bristle, the upper surface of described rub body is provided with handle, also is provided with the cover body of a bottom surface and lower opening on the described rub body, and described bristle stretches out in outside the cover body.
The beneficial effect that the utility model is obtained is: (1) is simple in structure; (2) also be provided with the cover body of a bottom surface and lower opening on the rub body; bristle stretches out in outside the cover body; such structures shape when erasing the board; the major part of the dust that is produced can be enclosed in the cover body and the opening below cover body falls; thereby the Dust Capacity that reduce to produce significantly helps to protect that student and teacher's is healthy.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Among the figure: 1, handle, 2, rub body, 3, cover body, 4, bristle.
The specific embodiment
As shown in Figure 1, blackboard eraser of the present utility model comprises rub body 2, the lower surface of described rub body 2 is provided with bristle 4, the upper surface of described rub body 2 is provided with handle 1, also is provided with the cover body 3 of a bottom surface and lower opening on the described rub body 2, and described bristle 4 stretches out in outside the cover body 3.
Blackboard eraser of the present utility model; simple in structure; also be provided with the cover body 3 of a bottom surface and lower opening on the rub body 2; bristle 4 stretches out in outside the cover body 3; such structures shape when erasing the board; the major part of the dust that is produced can be enclosed in the cover body 3 and fall from the opening of cover body 3 belows, thereby reduces the Dust Capacity that produces significantly, helps to protect that student and teacher's is healthy.
Claims (1)
1. blackboard eraser, comprise rub body (2), the lower surface of described rub body (2) is provided with bristle (4), the upper surface of described rub body (2) is provided with handle (1), it is characterized in that: also be provided with the cover body (3) of a bottom surface and lower opening on the described rub body (2), described bristle (4) stretches out in outside the cover body (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320082812 CN203093530U (en) | 2013-02-01 | 2013-02-01 | Blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320082812 CN203093530U (en) | 2013-02-01 | 2013-02-01 | Blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203093530U true CN203093530U (en) | 2013-07-31 |
Family
ID=48844961
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320082812 Expired - Fee Related CN203093530U (en) | 2013-02-01 | 2013-02-01 | Blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203093530U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105946408A (en) * | 2016-06-26 | 2016-09-21 | 钱煜琴 | Improved type chalk wiper |
-
2013
- 2013-02-01 CN CN 201320082812 patent/CN203093530U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105946408A (en) * | 2016-06-26 | 2016-09-21 | 钱煜琴 | Improved type chalk wiper |
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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: 20130731 Termination date: 20140201 |