CN201033513Y - Multipurpose blackboard eraser - Google Patents
Multipurpose blackboard eraser Download PDFInfo
- Publication number
- CN201033513Y CN201033513Y CNU2007200110435U CN200720011043U CN201033513Y CN 201033513 Y CN201033513 Y CN 201033513Y CN U2007200110435 U CNU2007200110435 U CN U2007200110435U CN 200720011043 U CN200720011043 U CN 200720011043U CN 201033513 Y CN201033513 Y CN 201033513Y
- Authority
- CN
- China
- Prior art keywords
- pulleys
- blackboard eraser
- utility
- model
- bulged
- 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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Abstract
The utility model relates to a multi-functional blackboard eraser, comprising a eraser body with pores, which is characterized in that three pulleys are hinged at the front end of the eraser body, a brush is arranged on the surface walls of the three pulleys respectively, wherein three bulged grooves are arranged on the inner wall of the end of the eraser body; three brushes are arranged in the three bulged grooves corresponding to the three brushes arranged on the surface walls of the three pulleys; and a vacuum cleaner is arranged at the bottom of the three bulged grooves. The utility model has the advantages of simple structure, convenient use and effective dust absorbing and avoidance of dust harming human body.
Description
Technical field
The utility model relates to a kind of stationery, especially a kind of blackboard erasers of using more.
Technical background is present, and the blackboard eraser that teaching is used is the disappear wooden blackboard eraser of dirt function of a kind of nothing, and dust during use is easy to be sucked by the people owing to can't eliminate, and human body is damaged.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned said shortcoming and a kind of blackboard eraser of using simple in structure is provided more.
For achieving the above object, the utility model is used blackboard eraser more, comprise rub body, for the front end at porose rub body is hinged with three pulleys, the surface wall of three pulleys is provided with hairbrush, the inner wall at end of rub body is provided with the groove of three projectioies, and it is corresponding with the hairbrush that the surface wall of three pulleys is provided with to be provided with hairbrush in the groove of three projectioies, and the bottom of the groove of three projectioies is provided with dust catcher.
The utility model has the advantages that: simple in structure, easy to use, can suck dust effectively, prevent that the many human bodies of dust from damaging.
Description of drawings
Fig. 1 uses blackboard eraser overall structure schematic diagram for the utility model more.
The specific embodiment
Show as Fig. 1, the utility model is used blackboard eraser more, comprise rub body 1, for the front end at porose rub body 1 is hinged with three pulleys 2, the surface wall of three pulleys 2 is provided with hairbrush, the inner wall at end of rub body 1 is provided with the groove of three projectioies, and it is corresponding with the hairbrush that the surface wall of three pulleys 2 is provided with to be provided with hairbrush in the groove of three projectioies, and the bottom of the groove of three projectioies is provided with dust catcher 3.
Claims (1)
1. use blackboard eraser one kind more, comprise rub body (1), it is characterized in that: the front end at porose rub body (1) is hinged with three pulleys (2), the surface wall of three pulleys (2) is provided with hairbrush, the inner wall at end of rub body (1) is provided with the groove of three projectioies, it is corresponding with the hairbrush that the surface wall of three pulleys (2) is provided with to be provided with hairbrush in the groove of three projectioies, and the bottom of the groove of three projectioies is provided with dust catcher (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200110435U CN201033513Y (en) | 2007-03-15 | 2007-03-15 | Multipurpose blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200110435U CN201033513Y (en) | 2007-03-15 | 2007-03-15 | Multipurpose blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201033513Y true CN201033513Y (en) | 2008-03-12 |
Family
ID=39194406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200110435U Expired - Fee Related CN201033513Y (en) | 2007-03-15 | 2007-03-15 | Multipurpose blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201033513Y (en) |
-
2007
- 2007-03-15 CN CNU2007200110435U patent/CN201033513Y/en not_active Expired - Fee Related
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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: 20080312 |