CN203157523U - Multifunctional blackboard eraser - Google Patents
Multifunctional blackboard eraser Download PDFInfo
- Publication number
- CN203157523U CN203157523U CN 201320191907 CN201320191907U CN203157523U CN 203157523 U CN203157523 U CN 203157523U CN 201320191907 CN201320191907 CN 201320191907 CN 201320191907 U CN201320191907 U CN 201320191907U CN 203157523 U CN203157523 U CN 203157523U
- Authority
- CN
- China
- Prior art keywords
- blackboard eraser
- hollow handle
- multifunctional blackboard
- hollow lever
- 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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Abstract
The utility model relates to a multifunctional blackboard eraser and belongs to the technical field of teaching aids. According to the technical scheme, the blackboard eraser comprises a hollow handle and is characterized in that a getter pump communicated with the hollow handle is arranged on one side of the hollow handle, the hollow handle is provided with a suction hole, and a hairbrush is arranged around the suction hole. According to the multifunctional blackboard eraser, the structure is simple, the operation is convenient and time and labor are saved in a teaching process, and the potential safety hazard that teachers and students inhale dust is reduced.
Description
Technical field: the utility model belongs to the teaching aid technical field, is a kind of multifunctional blackboard eraser specifically.
Background technology: at present, often in teaching process need do texts and pictures demonstration etc. at blackboard, need blackboard eraser to wipe one by one after class, in scale removal process, a large amount of chalk foams swim in the air, are sucked in the lung by classmates and teacher, have brought potential safety hazard for teacher and classmate's health.
Summary of the invention: the purpose of this utility model provides a kind of powder that prevents and is inhaled in the lung easy and simple to handle, time saving and energy saving multifunctional blackboard eraser in teaching process.
The technical solution of the utility model is: comprise hollow lever, it is characterized in that being provided with coupled logical asepwirator pump in hollow lever one side that hollow lever is provided with inhales the hole, inhales the hole and is provided with hairbrush on every side.
The beneficial effects of the utility model are: the utility model is simple in structure, and is easy and simple to handle in teaching process, time saving and energy saving, reduced the potential safety hazard that teacher and classmates suck powder.
Description of drawings: accompanying drawing 1 is structural representation of the present utility model.
Among the figure 1, hollow lever, 2, asepwirator pump, 3, inhale the hole, 4, hairbrush.
The specific embodiment: comprise hollow lever 1, it is characterized in that being provided with coupled logical asepwirator pump 2 in hollow lever 1 one sides that hollow lever 1 is provided with inhales hole 3, inhales hole 3 and is provided with hairbrush 4 on every side.When teaching is cleared up after class, open asepwirator pump 2, hand is pinched hollow lever 1, and the cleaning blackboard gets final product.
Claims (1)
1. multifunctional blackboard eraser comprises hollow lever (1), it is characterized in that: be provided with coupled logical asepwirator pump (2) in hollow lever (1) one side, hollow lever (1) is provided with inhales hole (3), inhales hole (3) and is provided with hairbrush (4) on every side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320191907 CN203157523U (en) | 2013-04-05 | 2013-04-05 | Multifunctional blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320191907 CN203157523U (en) | 2013-04-05 | 2013-04-05 | Multifunctional blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203157523U true CN203157523U (en) | 2013-08-28 |
Family
ID=49018739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320191907 Expired - Fee Related CN203157523U (en) | 2013-04-05 | 2013-04-05 | Multifunctional blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203157523U (en) |
-
2013
- 2013-04-05 CN CN 201320191907 patent/CN203157523U/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: 20130828 Termination date: 20140405 |