CN202507803U - Blackboard eraser - Google Patents
Blackboard eraser Download PDFInfo
- Publication number
- CN202507803U CN202507803U CN201220152988XU CN201220152988U CN202507803U CN 202507803 U CN202507803 U CN 202507803U CN 201220152988X U CN201220152988X U CN 201220152988XU CN 201220152988 U CN201220152988 U CN 201220152988U CN 202507803 U CN202507803 U CN 202507803U
- Authority
- CN
- China
- Prior art keywords
- blackboard eraser
- water receiver
- tube connector
- tube
- 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, particularly to a blackboard eraser, which comprises a blackboard eraser body and a water receiver, wherein a tube is arranged inside the blackboard eraser body; a plurality of through holes are formed in the wall of the tube; the tube is communicated with a connecting pipe; a valve is arranged on the connecting pipe; and the water receiver is connected with the connecting pipe through threads. The blackboard eraser provided by the utility model can increase erasing effect and avoid generation of the dust when used.
Description
Technical field
The utility model relates to a kind of teaching aid, is specifically related to a kind of blackboard eraser.
Background technology
The blackboard eraser of usefulness when erasing the board, require great effort especially, and dust is a lot of now, promptly fritters away energy and contaminated environment.
Summary of the invention
In order to solve the problems of the technologies described above, the utility model provides a kind of blackboard eraser, has solved effort and the big problem of dust when erasing the board.
The technical scheme of the utility model is following:
A kind of blackboard eraser comprises blackboard eraser body and water receiver, and its special feature is; Said blackboard eraser body interior is provided with a flexible pipe, and said hose wall is provided with some through holes, and flexible pipe is communicated with tube connector; Tube connector is provided with valve, and said water receiver is threaded with tube connector.
The material of further said water receiver is plastics.During use, water receiver in the connection, the valve of checking card, the extruding water receiver, water will get in the blackboard eraser from through hole, after blackboard eraser is wetting, for convenience's sake, re-uses blackboard eraser after can unloading water receiver and erases the board.
The blackboard eraser that the utility model provides is provided with water receiver and is provided with the pipeline that can spray water in blackboard eraser inside, and it is wetting that blackboard eraser is easy to, thereby when erasing the board, increased the effect of wiping, stopped the generation of dust.
Description of drawings
Fig. 1 is the structural representation of blackboard eraser.
The specific embodiment
A kind of blackboard eraser; Comprise blackboard eraser body 1 and water receiver 2, said blackboard eraser body 1 inside is provided with a flexible pipe 3, and said hose wall is provided with some through holes 6; Flexible pipe 3 is communicated with tube connector 4; Tube connector 4 is provided with valve 5, and said water receiver 2 is threaded with tube connector 3, and the material of said water receiver 2 is plastics.
Claims (2)
1. a blackboard eraser comprises blackboard eraser body and water receiver, it is characterized in that; Said blackboard eraser body interior is provided with a flexible pipe, and said hose wall is provided with some through holes, and flexible pipe is communicated with tube connector; Tube connector is provided with valve, and said water receiver is threaded with tube connector.
2. blackboard eraser according to claim 1 is characterized in that
,The material of said water receiver is plastics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220152988XU CN202507803U (en) | 2012-04-12 | 2012-04-12 | Blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220152988XU CN202507803U (en) | 2012-04-12 | 2012-04-12 | Blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202507803U true CN202507803U (en) | 2012-10-31 |
Family
ID=47060305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220152988XU Expired - Fee Related CN202507803U (en) | 2012-04-12 | 2012-04-12 | Blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202507803U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105109245A (en) * | 2015-08-24 | 2015-12-02 | 韩有锋 | Dust-free environment-friendly board eraser |
-
2012
- 2012-04-12 CN CN201220152988XU patent/CN202507803U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105109245A (en) * | 2015-08-24 | 2015-12-02 | 韩有锋 | Dust-free environment-friendly board eraser |
| CN105109245B (en) * | 2015-08-24 | 2017-12-22 | 韩翔瑞 | Dustless environment protecting 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: 20121031 Termination date: 20130412 |