CN202528718U - Dustless blackboard eraser - Google Patents
Dustless blackboard eraser Download PDFInfo
- Publication number
- CN202528718U CN202528718U CN2012201682165U CN201220168216U CN202528718U CN 202528718 U CN202528718 U CN 202528718U CN 2012201682165 U CN2012201682165 U CN 2012201682165U CN 201220168216 U CN201220168216 U CN 201220168216U CN 202528718 U CN202528718 U CN 202528718U
- Authority
- CN
- China
- Prior art keywords
- blackboard eraser
- cavity
- blackboard
- handle
- liquid
- 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
- 239000007788 liquid Substances 0.000 claims abstract description 18
- 239000000428 dust Substances 0.000 abstract description 6
- 238000009736 wetting Methods 0.000 abstract 1
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- Drawing Aids And Blackboards (AREA)
Abstract
The utility model relates to a dustless blackboard eraser. The dustless blackboard eraser comprises a blackboard eraser body, wherein blackboard eraser hair is arranged on the blackboard eraser body, a first cavity is arranged in the blackboard eraser body, a sponge body is arranged in the first cavity, a plurality of first through holes are arranged on one surface of the blackboard eraser body, which is connected with the blackboard eraser hair, a handle is arranged on the blackboard eraser body, a second cavity is arranged in the handle, liquid is arranged in the second cavity, a second through hole is arranged between the first cavity and the second cavity, and a liquid inlet and outlet is arranged on the handle; and the liquid in the second cavity can enter into the sponge body through the second through hole, liquid in the sponge body can be attached on the blackboard eraser hair through the first through hole for tightly wetting the blackboard eraser hair, then chalk dust can not fly everywhere when the dustless blackboard eraser is used, and the dustless blackboard eraser has the advantages of convenience in use, simple structure and capability of removing dust.
Description
Technical field
The utility model relates to a kind of teaching aid, relates to a kind of blackboard eraser specifically.
Background technology
The blackboard eraser that teaching is at present used, the function of the dirt that do not disappear because dust can't be eliminated, causes chalk dust to fly upward aloft during use, is easy to the inspiration by teachers and students, influences the healthy of teachers and students.
The utility model content
The problem that the utility model will solve is to above problem, and the dust-free black board eraser of a kind of ability dedusting is provided.
For addressing the above problem, the technical scheme that the utility model adopted is: dust-free black board eraser comprises the blackboard eraser body; Said blackboard eraser body is provided with the blackboard snag, is provided with first cavity in the said blackboard eraser body, in said first cavity cavernous body is housed; The one side that said blackboard eraser body is connected with said blackboard snag is provided with a plurality of first through holes; Said blackboard eraser body is provided with handle, is provided with second cavity in the said handle, in said second cavity liquid is housed; Be provided with second through hole between said first cavity and said second cavity, said handle is provided with liquid entrance.
The utility model is taked above technical scheme, has the following advantages: dust-free black board eraser comprises the blackboard eraser body; Said blackboard eraser body is provided with the blackboard snag, is provided with first cavity in the said blackboard eraser body, in said first cavity cavernous body is housed; The one side that said blackboard eraser body is connected with said blackboard snag is provided with a plurality of first through holes; Said blackboard eraser body is provided with handle, is provided with second cavity in the said handle, in said second cavity liquid is housed; Be provided with second through hole between said first cavity and said second cavity, said handle is provided with liquid entrance; Liquid in second cavity enters into cavernous body through second through hole, and the liquid in the cavernous body attached in the blackboard snag, makes the blackboard snag moistening slightly through first through hole; Chalk dust can not flown upward everywhere; Easy to use, simple in structure, and can dedusting.
Below in conjunction with accompanying drawing and embodiment the utility model is described further.
Description of drawings
Accompanying drawing is the structural representation of the utility model embodiment.
Among the figure: 1-blackboard eraser body; 11-first through hole; 12-second through hole; The snag of 2-blackboard; 3-first cavity; The 4-cavernous body; The 5-handle; The 51-liquid entrance; 6-second cavity; 7-liquid.
The specific embodiment
Embodiment: dust-free black board eraser, comprise blackboard eraser body 1, said blackboard eraser body 1 is provided with blackboard snag 2; Be provided with first cavity 3 in the said blackboard eraser body 1; In said first cavity 3 cavernous body 4 is housed, the one side that said blackboard eraser body 1 is connected with said blackboard snag 2 is provided with a plurality of first through holes 11, and said blackboard eraser body 1 is provided with handle 5; Be provided with second cavity 6 in the said handle 5; In said second cavity 6 liquid 7 is housed, is provided with second through hole 12 between said first cavity 3 and said second cavity 6, said handle 5 is provided with liquid entrance 51; Liquid in second cavity 6 enters into cavernous body 4 through second through hole 12, and the liquid in the cavernous body 4 attached in the blackboard snag 2, makes blackboard snag 2 moistening slightly through first through hole 11; Chalk dust can not flown upward everywhere; Easy to use, simple in structure, and can dedusting.
Claims (1)
1. dust-free black board eraser comprises the blackboard eraser body, and said blackboard eraser body is provided with the blackboard snag; It is characterized in that: be provided with first cavity in the said blackboard eraser body; In said first cavity cavernous body is housed, the one side that said blackboard eraser body is connected with said blackboard snag is provided with a plurality of first through holes, and said blackboard eraser body is provided with handle; Be provided with second cavity in the said handle; In said second cavity liquid is housed, is provided with second through hole between said first cavity and said second cavity, said handle is provided with liquid entrance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201682165U CN202528718U (en) | 2012-04-11 | 2012-04-11 | Dustless blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201682165U CN202528718U (en) | 2012-04-11 | 2012-04-11 | Dustless blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202528718U true CN202528718U (en) | 2012-11-14 |
Family
ID=47129921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201682165U Expired - Fee Related CN202528718U (en) | 2012-04-11 | 2012-04-11 | Dustless blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202528718U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109482029A (en) * | 2018-11-14 | 2019-03-19 | 杭州科技职业技术学院 | A kind of environmental protection cleaner |
-
2012
- 2012-04-11 CN CN2012201682165U patent/CN202528718U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109482029A (en) * | 2018-11-14 | 2019-03-19 | 杭州科技职业技术学院 | A kind of environmental protection cleaner |
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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: 20121114 Termination date: 20130411 |