CN201395001Y - Dustproof electric blackboard - Google Patents
Dustproof electric blackboard Download PDFInfo
- Publication number
- CN201395001Y CN201395001Y CN200920024547XU CN200920024547U CN201395001Y CN 201395001 Y CN201395001 Y CN 201395001Y CN 200920024547X U CN200920024547X U CN 200920024547XU CN 200920024547 U CN200920024547 U CN 200920024547U CN 201395001 Y CN201395001 Y CN 201395001Y
- Authority
- CN
- China
- Prior art keywords
- blackboard
- motor
- dustproof
- rotating shaft
- reductor
- 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 discloses a dustproof electric blackboard, comprising a blackboard, a motor and a decelerator coupled with the motor and characterized in that: the output shaft of the blackboard isin rack-and-pinion connection with the output shaft of the decelerator which is provided with a rotary shaft equipped with a brush in contact with the blackboard, and the brush is provided with an outer cover in which a dustproof device is arranged. The rack is in a horizontal direction while the rotary shaft is in a vertical direction. Compared with the prior art, the dustproof electric blackboard has the advantages of electric cleaning, automatic dust removal and the like.
Description
One, technical field
The utility model relates to a kind of teaching aid---blackboard, is specially a kind of driven blackboard that can dedusting.
Two, background technology
At present, develop rapidly along with the modern education instructional technology, some row high-tech products such as lantern slide, multimedia, projector are applied in the teaching, but because the particularity of teaching, instructors is commonly used often on class comes instruction of papil to learn to blackboard, but existing blackboard is being wiped when notes dust from flying, is unfavorable for that teachers and students' is healthy.
Three, summary of the invention
The utility model is at above weak point, a kind of electric erasing is provided, do not have the dustproof driven blackboard of dust.
For achieving the above object, the technical solution adopted in the utility model is:
A kind of dustproof driven blackboard, comprise blackboard, motor, the reductor that connects with motor, blackboard is that rack-and-pinion is connected with the output shaft of reductor, the output shaft of reductor is provided with rotating shaft, rotating shaft is provided with the hairbrush that contacts with blackboard, hairbrush is covered with outer cover outward, is provided with dust exhaust apparatus in the outer cover.
Above-mentioned dedusting driven blackboard, described tooth bar are horizontal direction, and rotating shaft is a vertical direction.
Rack-and-pinion can become rotatablely moving of motor the rectilinear motion of dust arrester; The hairbrush that is provided with can be removed the writing on the blackboard, and the dust behind the removing writing is absorbed by dust exhaust apparatus and prevented the pollution of dust to teachers and students.
Four, description of drawings
Fig. 1 is a cross-sectional view of the present utility model.
Five, the specific embodiment
A kind of dedusting driven blackboard, comprise blackboard 1, the upper side frame of blackboard 1 and lower frame level are provided with tooth bar 7, cooperate with tooth bar 7 and to be provided with gear, gear is installed in the rotating shaft 3 of vertical direction, and rotating shaft 3 is connected with the reductor of motor 2, and rotating shaft 3 is provided with hairbrush 5 with blackboard 1 intersection, be provided with shell 4 outside the hairbrush 5, be provided with dust exhaust apparatus 6 in the shell 4.The top edge of blackboard 1 is provided with slideway in order to carrying motor 2 and reductor, and the both sides of tooth bar 7 are provided with travel switch
During use, as long as open the switch of motor 2, motor 2 drives rotating shaft the chalk writing of blackboard 1 is removed, and by dust exhaust apparatus 6 dust is absorbed, and the dust of regularly removing in the dust exhaust apparatus gets final product.
Claims (2)
1, a kind of dustproof driven blackboard, comprise blackboard, motor, the reductor that connects with motor, it is characterized in that: blackboard is that rack-and-pinion is connected with the output shaft of reductor, the output shaft of reductor is provided with rotating shaft, rotating shaft is provided with the hairbrush that contacts with blackboard, hairbrush is covered with outer cover outward, is provided with dust exhaust apparatus in the outer cover.
2, dustproof driven blackboard according to claim 1 is characterized in that: described tooth bar is a horizontal direction, and rotating shaft is a vertical direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920024547XU CN201395001Y (en) | 2009-04-30 | 2009-04-30 | Dustproof electric blackboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920024547XU CN201395001Y (en) | 2009-04-30 | 2009-04-30 | Dustproof electric blackboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201395001Y true CN201395001Y (en) | 2010-02-03 |
Family
ID=41617498
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920024547XU Expired - Fee Related CN201395001Y (en) | 2009-04-30 | 2009-04-30 | Dustproof electric blackboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201395001Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102616065A (en) * | 2012-04-02 | 2012-08-01 | 张春平 | Remote control type dustless blackboard eraser |
| CN109757874A (en) * | 2019-02-26 | 2019-05-17 | 黄文朔 | The bookshelf of automated cleaning |
-
2009
- 2009-04-30 CN CN200920024547XU patent/CN201395001Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102616065A (en) * | 2012-04-02 | 2012-08-01 | 张春平 | Remote control type dustless blackboard eraser |
| CN109757874A (en) * | 2019-02-26 | 2019-05-17 | 黄文朔 | The bookshelf of automated cleaning |
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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: 20100203 Termination date: 20110430 |