CN201300633Y - Electric blackboard eraser - Google Patents
Electric blackboard eraser Download PDFInfo
- Publication number
- CN201300633Y CN201300633Y CNU2008202252685U CN200820225268U CN201300633Y CN 201300633 Y CN201300633 Y CN 201300633Y CN U2008202252685 U CNU2008202252685 U CN U2008202252685U CN 200820225268 U CN200820225268 U CN 200820225268U CN 201300633 Y CN201300633 Y CN 201300633Y
- Authority
- CN
- China
- Prior art keywords
- blackboard eraser
- hair brush
- sliding bar
- electric blackboard
- remote controller
- 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
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- Drawing Aids And Blackboards (AREA)
Abstract
The utility model discloses an electric blackboard eraser comprising three parts of sliding rods, a hair brush and a remote controller, wherein fixed buttons are fixed on the sliding rods, and the sliding rods are fixed on the upper and the lower portions of a blackboard eraser through the fixing buttons. A sliding shrink-ring is arranged on the hair brush, the hair brush can slide left and right on the sliding rods, and an inductor is further arranged on the hair brush for receiving signals from the remote controller, thereby driving the hair brush to move left and right. The use of the electric blackboard eraser is convenient, the teaching time of a teacher is saved, and the physical strength is saved, simultaneously, the electric blackboard eraser reduces pollution to teachers.
Description
Technical field
The utility model relates to teaching aid, directly relates to electric blackboard eraser.
Background technology
At present, still prolong with blackboard in middle and primary schools' education activities and carry out traditional instruction, the teacher will drop into a lot of times and strength is wiped the blackboard of writing full word, and, the very easy pollution clothes of the powder of chalk, and can suck in the lung unhealthful.
Summary of the invention
The purpose of this utility model will provide a kind of electric blackboard eraser exactly, and it can overcome when existing blackboard eraser uses effectively wastes time and energy, the drawback of contaminated environment.
The purpose of this utility model be achieved in that have sliding bar, hairbrush, remote controller, it is characterized in that: fixing button is arranged on the sliding bar, slip collar and inductor are arranged on the hairbrush.
As further scheme of the present utility model be: sliding bar is made by stainless steel, and hairbrush can horizontally slip on sliding bar by Movable loop under control of remote controller.During use sliding bar is passed through the fixing button crosswise fixed in the upper and lower of blackboard, hairbrush is placed on the sliding bar by slip collar, hair brush belt hair one side and blackboard surface are close to, and can control hairbrush along the sliding bar move left and right by remote controller, thereby wipe the word on the blackboard.
Description of drawings
Accompanying drawing is a structure principle chart of the present utility model, below in conjunction with accompanying drawing the utility model is further described.
The specific embodiment
Accompanying drawing shows the structure of the utility model electric blackboard eraser, have sliding bar 1, hairbrush 2, remote controller 3 three parts composition, sliding bar 1 is made by stainless steel, fixing button 4 is arranged on it, be used for sliding bar 1 is fixed in the upper and lower of blackboard, slip collar 5 is arranged on the hairbrush 2, hairbrush 2 can horizontally slip on sliding bar 1, also be provided with inductor 6 on the hairbrush 2, receive signal, order about hairbrush 2 and horizontally slip from remote controller 3.Remote controller 3 is provided with horizontally slip key and fast, slow key, stop key etc.The utility model is easy to use, has both saved teacher's instructional blocks of time, has saved strength again, simultaneously, has reduced the pollution to the teacher.
Claims (2)
1. an electric blackboard eraser has sliding bar (1), hairbrush (2), remote controller (3), it is characterized in that: fixing button (4) is arranged on the sliding bar (1), slip collar (5) and inductor (6) are arranged on the hairbrush (2).
2. according to the described electric blackboard eraser of claim 1, it is characterized in that: sliding bar (1) is made by stainless steel, and hairbrush (2) can horizontally slip on sliding bar (1) by Movable loop (5) under the control of remote controller (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202252685U CN201300633Y (en) | 2008-11-11 | 2008-11-11 | Electric blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202252685U CN201300633Y (en) | 2008-11-11 | 2008-11-11 | Electric blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201300633Y true CN201300633Y (en) | 2009-09-02 |
Family
ID=41084252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202252685U Expired - Fee Related CN201300633Y (en) | 2008-11-11 | 2008-11-11 | Electric blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201300633Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107020867A (en) * | 2016-02-02 | 2017-08-08 | 上海市格致中学 | A kind of intelligent distant control blackboard |
-
2008
- 2008-11-11 CN CNU2008202252685U patent/CN201300633Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107020867A (en) * | 2016-02-02 | 2017-08-08 | 上海市格致中学 | A kind of intelligent distant control blackboard |
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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: 20090902 Termination date: 20091211 |