CN201186564Y - Blackboard eraser for student - Google Patents
Blackboard eraser for student Download PDFInfo
- Publication number
- CN201186564Y CN201186564Y CNU2008200938074U CN200820093807U CN201186564Y CN 201186564 Y CN201186564 Y CN 201186564Y CN U2008200938074 U CNU2008200938074 U CN U2008200938074U CN 200820093807 U CN200820093807 U CN 200820093807U CN 201186564 Y CN201186564 Y CN 201186564Y
- Authority
- CN
- China
- Prior art keywords
- blackboard eraser
- housing
- blackboard
- student
- chalk
- 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
A blackboard eraser for students solves the problems of the prior blackboard eraser, such as poor erasure effect so that chalk powder left on the blackboard can affect the health of the students. The adopted technical proposal is as follows: an eraser is arranged on one side of a housing of the blackboard eraser, and a water absorption sponge is arranged on the other side; the housing has a hollow central cavity; a water outlet is formed on the housing; and the water absorption sponge is in contact with the water outlet. The blackboard eraser has the advantages of simple structure and convenient use, and can erase chalk writings completely and simultaneously remove the dust caused by the chalk writings.
Description
Affiliated technical field
The utility model relates to a kind of student and uses blackboard eraser, and particularly a kind of student who does wet two states use uses blackboard eraser.
Background technology
In the prior art, blackboard eraser all is under dry and comfortable state the letter written with chalk on the blackboard to be wiped, and the shortcoming of prior art is, it is unclean to wipe letter written with chalk, stays chalk dust at blackboard, and chalk dust impacts the student is healthy.
Summary of the invention
For overcoming above shortcomings in the prior art, the utility model designs a kind of student and uses blackboard eraser, and this blackboard eraser can be wiped and dedusting the letter written with chalk on the blackboard under dry and comfortable or moist different conditions.
The utility model realizes that the technical scheme that goal of the invention adopts is that a kind of student uses blackboard eraser, on the blackboard eraser housing, one side is provided with blackboard eraser, and opposite side is provided with water-absorbing sponge, and the center of blackboard eraser housing is a cavity, the blackboard eraser housing is provided with delivery port, and water-absorbing sponge contacts with delivery port.
The beneficial effects of the utility model are that simple in structure, easy to use, letter written with chalk is wiped the clean while can carry out dedusting to the dust that letter written with chalk stays.
Below in conjunction with accompanying drawing the utility model is elaborated.
Description of drawings
Accompanying drawing is the utility model schematic diagram.
In the accompanying drawing, 1 blackboard eraser housing, 2 blackboard erasers, 3 water-absorbing sponges, 4 cavitys, 5 delivery ports, 6 holding rods.
The specific embodiment
Referring to accompanying drawing, a kind of student uses blackboard eraser, and on blackboard eraser housing 1, a side is provided with blackboard eraser 2, and opposite side is provided with water-absorbing sponge 3, and the center of blackboard eraser housing 1 is a cavity 4, and blackboard eraser housing 1 is provided with delivery port 5, and water-absorbing sponge 3 contacts with delivery port 5.
During use, blackboard eraser 2 is wiped the letter written with chalk on the blackboard under dry and comfortable state, choosing dress blackboard eraser housing 1, and water-absorbing sponge 3 can carry out dedusting at the dust that on the blackboard letter written with chalk is stayed under dampness.In the center cavity 4 of blackboard eraser housing 1 water is housed, keeps water-absorbing sponge 3 to be in dampness all the time by delivery port 5.
The utility model uses for ease of the student, and blackboard eraser housing 1 is provided with telescopic holding rod 6.
Claims (2)
1, a kind of student uses blackboard eraser, it is characterized in that: on blackboard eraser housing (1), one side is provided with blackboard eraser (2), opposite side is provided with water-absorbing sponge (3), the center of blackboard eraser housing (1) is cavity (4), blackboard eraser housing (1) is provided with delivery port (5), and water-absorbing sponge (3) contacts with delivery port (5).
2, a kind of student according to claim 1 uses blackboard eraser, it is characterized in that: blackboard eraser housing (1) is provided with telescopic holding rod (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200938074U CN201186564Y (en) | 2008-04-29 | 2008-04-29 | Blackboard eraser for student |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200938074U CN201186564Y (en) | 2008-04-29 | 2008-04-29 | Blackboard eraser for student |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201186564Y true CN201186564Y (en) | 2009-01-28 |
Family
ID=40309579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200938074U Expired - Fee Related CN201186564Y (en) | 2008-04-29 | 2008-04-29 | Blackboard eraser for student |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201186564Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109572289A (en) * | 2018-12-29 | 2019-04-05 | 马鞍山胜利信息咨询有限公司 | A kind of adjustable dust absorption blackboard eraser |
| CN112793343A (en) * | 2021-02-04 | 2021-05-14 | 严如明 | High-efficient teaching aid |
-
2008
- 2008-04-29 CN CNU2008200938074U patent/CN201186564Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109572289A (en) * | 2018-12-29 | 2019-04-05 | 马鞍山胜利信息咨询有限公司 | A kind of adjustable dust absorption blackboard eraser |
| CN112793343A (en) * | 2021-02-04 | 2021-05-14 | 严如明 | High-efficient teaching aid |
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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: 20090128 |