CN202439458U - Automatic cleaning device for blackboard - Google Patents
Automatic cleaning device for blackboard Download PDFInfo
- Publication number
- CN202439458U CN202439458U CN2012200183511U CN201220018351U CN202439458U CN 202439458 U CN202439458 U CN 202439458U CN 2012200183511 U CN2012200183511 U CN 2012200183511U CN 201220018351 U CN201220018351 U CN 201220018351U CN 202439458 U CN202439458 U CN 202439458U
- Authority
- CN
- China
- Prior art keywords
- blackboard
- automatic cleaning
- brush
- driving shaft
- cleaning device
- 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 an automatic cleaning device for a blackboard and belongs to the technical field of teaching instruments. The automatic cleaning device comprises a frame, wherein a drive shaft and a driven shaft are respectively arranged on two sides of the frame and are connected in a surrounding way through a flexible blackboard surface; the drive shaft is connected with a motor; blackboard erasers are respectively arranged on parts of the frame, which are close to the drive shaft and the driven shaft; the blackboard erasers are in close contact with the blackboard surface; and the length of the blackboard erasers is equal to the width of the blackboard surface. The automatic cleaning device is simple in structure, convenient to use, time-saving and labor-saving, and can prevent the damage of dust to the human body.
Description
Technical field
[0001] the utility model relates to a kind of teaching equipment, especially a kind of blackboard automatic cleaning apparatus.
Background technology
[0002] present, the blackboard of teaching usefulness generally uses chalk to write, and dust drifts everywhere in erase process, serious harm human body healthy, and wipe also and waste time and energy, feel that sometimes arm acid is tired.
Summary of the invention
The technical assignment of the utility model is to the deficiency of above prior art a kind of blackboard automatic cleaning apparatus to be provided.
The utility model solves the technical scheme that its technical problem adopted: the blackboard automatic cleaning apparatus; Comprise framework, be respectively equipped with driving shaft and driven axle in the both sides of said framework, said driving shaft and driven axle through the flexible blackboard face around being connected; Said driving shaft links to each other with motor; On said framework near driving shaft and driven axle, be respectively equipped with blackboard brush, said blackboard brush closely contacts with said blackboard surface, and the length of said blackboard brush equals the width of said blackboard surface.
On said blackboard brush, be provided with the brush cover, be provided with the storage powder box in the lower end of said blackboard brush.
During use, closed motor switch, motor can drive driving shaft and rotate, and driving shaft then drives blackboard surface and rotates with driven axle, and letter written with chalk just can be wiped from blackboard surface under the effect of blackboard brush on the blackboard surface.
The utility model has the advantages that: 1, simple in structure, easy to use, time saving and energy saving, broken away from the harm of dust to human body; 2, be provided with two blackboard brush, can wipe chalk trace fully, guarantee the blackboard surface cleaning; 3, establish the brush cover and can prevent that dust from drifting, help the collection of dust.
Description of drawings
Fig. 1 is the structural representation of the utility model.
The specific embodiment
As shown in the figure, the blackboard automatic cleaning apparatus comprises framework 1; Be respectively equipped with driving shaft 2 and driven axle 3 in the both sides of said framework 1; Around being connected, said driving shaft 2 links to each other with motor 5 through flexible blackboard face 4 for said driving shaft 2 and driven axle 3, on said framework 1 near driving shaft 2 and driven axle 3, is respectively equipped with blackboard brush 6; Said blackboard brush 6 closely contacts with said blackboard surface 4, and the length of said blackboard brush 6 equals the width of said blackboard surface 4.
On said blackboard brush 6, be provided with brush cover 7, be provided with storage powder box 8 in the lower end of said blackboard brush 6.
Claims (2)
1. blackboard automatic cleaning apparatus; It is characterized in that comprising framework, be respectively equipped with driving shaft and driven axle in the both sides of said framework, said driving shaft and driven axle through the flexible blackboard face around being connected; Said driving shaft links to each other with motor; On said framework near driving shaft and driven axle, be respectively equipped with blackboard brush, said blackboard brush closely contacts with said blackboard surface, and the length of said blackboard brush equals the width of said blackboard surface.
2. blackboard automatic cleaning apparatus according to claim 1 is characterized in that on said blackboard brush, being provided with the brush cover, is provided with the storage powder box in the lower end of said blackboard brush.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2012200183511U CN202439458U (en) | 2012-01-17 | 2012-01-17 | Automatic cleaning device for blackboard |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2012200183511U CN202439458U (en) | 2012-01-17 | 2012-01-17 | Automatic cleaning device for blackboard |
Publications (1)
Publication Number | Publication Date |
---|---|
CN202439458U true CN202439458U (en) | 2012-09-19 |
Family
ID=46820912
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2012200183511U Expired - Fee Related CN202439458U (en) | 2012-01-17 | 2012-01-17 | Automatic cleaning device for blackboard |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN202439458U (en) |
-
2012
- 2012-01-17 CN CN2012200183511U patent/CN202439458U/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 | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120919 Termination date: 20130117 |