CN201872489U - Automatic eraser - Google Patents
Automatic eraser Download PDFInfo
- Publication number
- CN201872489U CN201872489U CN2010206509559U CN201020650955U CN201872489U CN 201872489 U CN201872489 U CN 201872489U CN 2010206509559 U CN2010206509559 U CN 2010206509559U CN 201020650955 U CN201020650955 U CN 201020650955U CN 201872489 U CN201872489 U CN 201872489U
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- CN
- China
- Prior art keywords
- blackboard
- eraser
- strip
- utility
- model
- 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 an automatic eraser which belongs to an operation transportation part, the category of writing or drawing equipment and office supplies, the class of writing or drawing supplies and writing or drawing auxiliary supplies, and the technical field of blackboard components. The utility model provides a full-automatic eraser which saves time and labor, reduces environmental pollution and can automatically erase a blackboard. The automatic eraser comprises the blackboard; the structural essentials are as follows: the blackboard is provided with a strip-shaped eraser which has corresponding height to the blackboard; the edge of the blackboard is provided with a guide rail; both ends of the strip-shaped eraser are provided with pulleys capable of sliding on the guide rail, and a driving motor is connected onto the side of the pulley which is arranged on the upper end of the strip-shaped eraser; and a switch is arranged below the blackboard.
Description
Technical field
The utility model belongs to the operation transport section, writes or drawing appliance, the big class of office appliance, writes or drawing article, the assistant product group of writing or draw, and the blackboard technical group field more particularly relates to a kind of automatic blackboard eraser.
Background technology
Blackboard is the requisite educational aid of classroom instruction, and it is defined as the plane that can write repeatedly, and the plate face is hard, is used for teaching more.
Along with the progress of science and technology and the raising that teaching is required, the environment of education activities also needs to improve.At present, the employed blackboard of China school remains based on traditional blackboard, and the wiping method of this blackboard is hand-held blackboard eraser, wiping repeatedly on blackboard.The wiping operation method of this blackboard eraser is not only time-consuming but also require great effort, and when erasing the board, tedious chalk dust can dance in the air all over the sky, drops on desk, before the dais, even is inhaled in people's the body, influences mood, and is more unhealthful.Because will write writing on the blackboard every day on class, erase the board, chalk dust often makes with dishevelled hair and a dirty face to teacher.Although chalk dust there is no big evil to human body, however the millions of teacher of China, and all will do writing on the blackboard with chalk every day, all lives in every day in the chalk dust after erasing the board, and still can cause nose, pharynx, throat's discomfort.
Summary of the invention
Technical problem to be solved in the utility model is to improve above-mentioned deficiency, and a kind of automatic blackboard eraser of time saving and energy saving, the Automatic erasing blackboard that reduces environmental pollution is provided.
To achieve these goals, the utility model adopts following technical scheme, the utility model comprises blackboard, its structural feature blackboard is provided with and the corresponding strip blackboard eraser of blackboard height, the blackboard edge is provided with guide rail, the strip blackboard eraser two ends are provided with the pulley that can slide on guide rail, the pulley side that is arranged on the strip blackboard eraser upper end is connected with drive motors; The blackboard below is provided with switch.
The beneficial effects of the utility model are:
(1) simple in structure
Blackboard of the present utility model is provided with and the corresponding strip blackboard eraser of blackboard height, the blackboard edge is provided with guide rail, the strip blackboard eraser two ends are provided with the pulley that can slide on guide rail, the pulley opposite side that is arranged on the strip blackboard eraser upper end is connected with drive motors; The blackboard below is provided with switch, with respect to traditional blackboard, does not increase too much member, and is simple in structure.
(2) Automatic erasing blackboard
Move on guide rail by the drive motors drive pulley, make strip blackboard eraser bar move left and right blackboard wiping, can effectively wipe the chalk trace on the blackboard.
(3) time saving and energy saving
The utility model drives the strip blackboard eraser blackboard wiping by drive motors, does not need hand-held blackboard to wipe and erases the board, and has reached effect of saving time and labor.
(4) reduce contaminated environment
The utility model can not cause flying upward of chalk powder everywhere when erasing the board, therefore can reduce the generation of environmental pollution and disease.
Description of drawings
Fig. 1 is the structural representation of an embodiment of the utility model.
The label declaration of parts in the accompanying drawing:
1 is guide rail, and 2 is blackboard, and 3 is switch, and 4 is strip blackboard eraser, and 5 is pulley, and 6 is drive motors.
The specific embodiment
Clearer for technical problem, technical scheme and beneficial effect that the utility model is solved, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
The utility model comprises blackboard 2, blackboard 2 is provided with and the highly corresponding strip blackboard eraser 4 of blackboard 2, blackboard 2 edges are provided with guide rail 1, strip blackboard eraser 4 two ends are provided with the pulley 5 that can slide on guide rail 1, pulley 5 opposite sides that are arranged on strip blackboard eraser 4 upper ends are connected with drive motors 6; Blackboard 2 belows are provided with switch 3.
Below in conjunction with description of drawings use of the present utility model:
Starting switch 3, the rotation direction of control drive motors 6 can be determined the rotation direction of pulley 5 and then the moving direction of definite strip blackboard eraser 4.Behind the starting switch 3, drive motors 6 is started working, and drive pulley 5 is rotated, and drives strip blackboard eraser 4 and move blackboard wiping 2 on blackboard 2; When strip blackboard eraser 4 arrived the horizontal end of blackboard 2, control drive motors 6 stopped, and controls its backward rotation then, can finish the cleaning to blackboard 2.
Be with being appreciated that, more than about specific descriptions of the present utility model, only be used to the utility model is described and be not to be subject to the described technical scheme of the utility model embodiment, those of ordinary skill in the art is to be understood that, still can make amendment or be equal to replacement the utility model, to reach identical technique effect; Use needs as long as satisfy, all within protection domain of the present utility model.
Claims (1)
1. automatic blackboard eraser, comprise blackboard (2), it is characterized in that blackboard (2) is provided with and the highly corresponding strip blackboard eraser (4) of blackboard (2), blackboard (2) edge is provided with guide rail (1), strip blackboard eraser (4) two ends are provided with and can go up the pulley (5) that slides at guide rail (1), and pulley (5) opposite side that is arranged on strip blackboard eraser (4) upper end is connected with drive motors (6); Blackboard (2) below is provided with switch (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206509559U CN201872489U (en) | 2010-12-09 | 2010-12-09 | Automatic eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206509559U CN201872489U (en) | 2010-12-09 | 2010-12-09 | Automatic eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201872489U true CN201872489U (en) | 2011-06-22 |
Family
ID=44160422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206509559U Expired - Fee Related CN201872489U (en) | 2010-12-09 | 2010-12-09 | Automatic eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201872489U (en) |
-
2010
- 2010-12-09 CN CN2010206509559U patent/CN201872489U/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: 20110622 Termination date: 20111209 |