CN2880522Y - Remote control electric eraser - Google Patents
Remote control electric eraser Download PDFInfo
- Publication number
- CN2880522Y CN2880522Y CN 200520099502 CN200520099502U CN2880522Y CN 2880522 Y CN2880522 Y CN 2880522Y CN 200520099502 CN200520099502 CN 200520099502 CN 200520099502 U CN200520099502 U CN 200520099502U CN 2880522 Y CN2880522 Y CN 2880522Y
- Authority
- CN
- China
- Prior art keywords
- blackboard
- remote control
- remote
- electric device
- 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
Links
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- Drawing Aids And Blackboards (AREA)
Abstract
The utility model provides a remote-control electric blackboard brush. Two grooves are transversely arranged at the top edge and bottom edge of the blackboard, and blackboard brushes are perpendicularly contained in the grooves. An electric device is arranged above the blackboard, and the connecting ranging arm is connected with the middle of the blackboard brush. A remote-control receiver is connected with the electric device through wires. A chalk ash slot is arranged under the blackboard. The utility model can be used to quickly clean the blackboard through remote control, and can reduce labor strength of teachers and solve the problem of chalk ash pollution.
Description
Affiliated technical field
The utility model relates to the blackboard eraser that a kind of classroom uses, a kind of specifically remote control electric blackboard eraser.
Background technology
Now the teacher of school is at school the time, and erasing the board becomes the thing of headache, promptly will take the teaching time, can pollute clothes and health again.
Summary of the invention
The utility model provides a kind of remote control electric blackboard eraser, can easily clean off a blackboard fast by remote control.
The technical scheme that the utility model adopted is: the both sides up and down of blackboard laterally are equipped with the rail groove, in blackboard eraser vertically is housed, the top of blackboard is provided with electric device, the rocking arm of its connection links to each other with blackboard eraser is middle, electric device is connected with remote-controlled receiver by power line, and the below of blackboard is equipped with and is deposited ash-pit.During use, can start the blackboard eraser side-to-side movement by hand-held remote controller and wipe writing on the blackboard, its chalk dust can vertically drop on depositing in the ash-pit of below.
The beneficial effects of the utility model are: clean off a blackboard by remote control, reduced teacher's labour intensity, improved the speed that erases the board, can make the teacher leave blackboard and easily clean off a blackboard, can not cause polluting health.
Description of drawings
Accompanying drawing is the utility model structural representation.
The specific embodiment
Among the figure: the horizontal mounting rail groove 6 in the both sides up and down of blackboard 1, in the blackboard eraser 4 of vertically packing into, electric device 2 is installed in the top of blackboard eraser 1, the rocking arm 3 of its connection links to each other with the centre of blackboard eraser 4, electric device 2 connects remote-controlled receiver 5 by power line, and the below of blackboard 1 is installed and deposited ash-pit 7.
Claims (1)
1, a kind of remote control electric blackboard eraser, it is characterized in that: the both sides up and down of blackboard (1) laterally are equipped with rail groove (6), in blackboard eraser (4) vertically is housed, the top of blackboard (1) is provided with electric device (2), the rocking arm of its connection (3) links to each other with blackboard eraser (4) is middle, electric device (2) is connected with remote-controlled receiver (5) by power line, and the below of blackboard (1) is equipped with and is deposited ash-pit (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520099502 CN2880522Y (en) | 2005-12-15 | 2005-12-15 | Remote control electric eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520099502 CN2880522Y (en) | 2005-12-15 | 2005-12-15 | Remote control electric eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2880522Y true CN2880522Y (en) | 2007-03-21 |
Family
ID=37880361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520099502 Expired - Fee Related CN2880522Y (en) | 2005-12-15 | 2005-12-15 | Remote control electric eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2880522Y (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 |
-
2005
- 2005-12-15 CN CN 200520099502 patent/CN2880522Y/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 | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |