CN202378494U - Electric blackboard eraser - Google Patents
Electric blackboard eraser Download PDFInfo
- Publication number
- CN202378494U CN202378494U CN2011204590283U CN201120459028U CN202378494U CN 202378494 U CN202378494 U CN 202378494U CN 2011204590283 U CN2011204590283 U CN 2011204590283U CN 201120459028 U CN201120459028 U CN 201120459028U CN 202378494 U CN202378494 U CN 202378494U
- Authority
- CN
- China
- Prior art keywords
- blackboard
- motor
- sliding rail
- moving rod
- 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
Images
Landscapes
- Drawing Aids And Blackboards (AREA)
Abstract
The utility model belongs to the technical field of cleaning devices for main classes of working and transportation parts, writing or drawing tools and office articles, subclasses of writing or drawing articles and writing or drawing auxiliary articles and blackboards or stone boards and provides an electric blackboard eraser with a simple structure. The electric blackboard eraser comprises an upper sliding rail and a lower sliding rail which are respectively formed on the upper and lower parts of a blackboard. The structural key point is that a moving rod is arranged between the upper sliding rail and the lower sliding rail; rollers which can rotate in the sliding rails are arranged at the upper end and the lower end of the moving rod; erasing hairs are arranged on one side of the moving rod, which faces the blackboard; a motor and a motor clockwise and anticlockwise rotation control circuit are arranged on the moving rod; and a control panel with a control switch is arranged on one side of the blackboard.
Description
Technical field
The utility model is divided by International Patent Classification (IPC) (IPC) and is belonged to operation; Transport section is write or drawing appliance; Big type of office appliance is write or drawing article; The assistant product group of writing or draw, the cleaning device technical group field of blackboard or slabstone more particularly relates to a kind of improvement of structure of blackboard eraser.
Background technology
All the time, blackboard is the necessary supply of classroom instruction always, supplies the academics and students to write resources material; Because the area of blackboard is limited; Therefore and course content is a lot, all need use blackboard eraser to clear up blackboard at school the time and during break, makes blackboard can continue to write.
Because it is main that the employed blackboard of all kinds of schools of China remains with traditional blackboard, use this blackboard of blackboard eraser wiping not only time-consuming but also require great effort, when erasing the board; Tedious chalk dust can dance in the air all over the sky; Drop on desk, before the dais, even be inhaled in people's the body; Influence mood, 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 does not have 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.
Along with the progress of science and technology with to the raising of teaching requirements, the environment of education activities also needs to improve.Therefore be directed against the situation that chalk dust dances in the air when erasing the board everywhere, need improve blackboard eraser.
The utility model content
The utility model is exactly to the problems referred to above, and a kind of electric blackboard eraser simple in structure is provided.
In order to realize the above-mentioned purpose of the utility model; The utility model adopts following technical scheme; The utility model comprises last slide rail and the glidepath that is arranged at the blackboard above and below respectively; Be provided with carriage release lever between slide rail and the glidepath on its structural feature, the carriage release lever top and bottom are provided with the roller that can in slide rail, rotate; Be provided with bristle towards blackboard one side on the carriage release lever, also be provided with motor and motor positive inversion control circuit on the carriage release lever; Blackboard one side is provided with the control panel that has gauge tap.
Last slide rail top is provided with lid.
Described motor is an AC induction motor.
The beneficial effect of the utility model:
(1) simple in structure
The utility model comprises last slide rail and the glidepath that is arranged at the blackboard above and below respectively, is provided with the carriage release lever with bristle between last slide rail and the glidepath, and the carriage release lever top and bottom are provided with the roller that can in slide rail, rotate; Do not use too much member, so structure is very simple, is convenient to make and promotes.
(2) can automatic blackboard cleaning, removed when erasing the board chalk dust to the influence of human body
The utility model erases the board through the bristle that is positioned on the carriage release lever, and the roller that the motor-driven on the sliding bar is positioned at the sliding bar two ends laterally moves; The gauge tap of motor is positioned at a side of blackboard, and the user only needs console switch to get final product, so the utility model can automatic blackboard cleaning.
Description of drawings
Fig. 1 is the structural representation of the utility model.
In the accompanying drawing, 1 is glidepath, and 2 is last slide rail, and 3 is blackboard, and 4 is lid, and 5 is carriage release lever, and 6 is bristle, and 7 is motor, and 8 is roller, and 9 is control panel.
The specific embodiment
Clearer for technical problem, technical scheme and beneficial effect that the utility model is solved, below in conjunction with specific embodiment, 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 the last slide rail 2 and glidepath 1 that is arranged at blackboard 3 above and belows respectively, is provided with carriage release lever 5 between last slide rail 2 and the glidepath 1, and carriage release lever 5 top and bottom are provided with the roller 8 that can in slide rail, rotate; Be provided with bristle 6 towards blackboard 3 one sides on the carriage release lever 5, also be provided with motor 7 and motor positive inversion control circuit on the carriage release lever 5; Blackboard 3 one sides are provided with the control panel 9 that has gauge tap.
Described motor 7 is an AC induction motor.
Be with being appreciated that; More than about the specific descriptions of the 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 should be appreciated that still and can make amendment or be equal to replacement the utility model, to reach identical technique effect; As long as satisfy the use needs, all within the protection domain of the utility model.
Claims (3)
1. electric blackboard eraser; Comprise the last slide rail (2) and the glidepath (1) that are arranged at blackboard (3) above and below respectively; It is characterized in that being provided with carriage release lever (5) between slide rail (2) and the glidepath (1), carriage release lever (5) top and bottom are provided with the roller (8) that can in slide rail, rotate; Carriage release lever (5) is gone up and is provided with bristle (6) towards blackboard (3) one sides, also is provided with motor (7) and motor positive inversion control circuit on the carriage release lever (5); Blackboard (3) one sides are provided with the control panel (9) that has gauge tap.
2. electric blackboard eraser according to claim 1 is characterized in that slide rail (2) top is provided with lid (4).
3. electric blackboard eraser according to claim 1 is characterized in that described motor (7) is an AC induction motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204590283U CN202378494U (en) | 2011-11-18 | 2011-11-18 | Electric blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204590283U CN202378494U (en) | 2011-11-18 | 2011-11-18 | Electric blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202378494U true CN202378494U (en) | 2012-08-15 |
Family
ID=46627015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204590283U Expired - Fee Related CN202378494U (en) | 2011-11-18 | 2011-11-18 | Electric blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202378494U (en) |
-
2011
- 2011-11-18 CN CN2011204590283U patent/CN202378494U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203844486U (en) | Multifunctional marking tool for English teaching | |
| CN102117553A (en) | Electronic display and writing device of interactive teaching system | |
| CN203254826U (en) | Blackboard with eraser | |
| CN103832159A (en) | Conveying belt type electric tablet | |
| CN203358144U (en) | Blackboard eraser with dust collection function for English teaching | |
| CN204414974U (en) | A kind of blackboard eraser | |
| CN202378494U (en) | Electric blackboard eraser | |
| CN207291429U (en) | A kind of driven blackboard of sanitation and hygiene | |
| CN202123865U (en) | Eraser capable of reducing chalk dust | |
| CN204687679U (en) | A kind of Japanese Teaching is with can the chalkboard eraser of sucking chalk powder automatically | |
| CN204576837U (en) | A kind of optional area Automatic erasing blackboard | |
| CN201432513Y (en) | rotatable blackboard | |
| CN203766326U (en) | Portable chinese teaching blackboard | |
| CN203995303U (en) | With the dustproof blackboard of blackboard eraser | |
| CN202986512U (en) | Magnetic blackboard | |
| CN204136638U (en) | The semi-automatic blackboard of a kind of slidingtype | |
| CN201872489U (en) | Automatic eraser | |
| CN203952931U (en) | The multi-functional lectern of a kind of primary school teaching | |
| CN203609016U (en) | Multifunction teacher's desk for primary teaching | |
| CN204870245U (en) | Teaching is with chalkboard eraser that can inhale chalk dust automatically | |
| CN204488294U (en) | A kind of English teaching assistive device | |
| CN204557811U (en) | Teaching of Chinese Chinese character demonstration teaching aid | |
| CN202685700U (en) | Blackboard eraser with handle | |
| CN205292020U (en) | English teaching board | |
| CN202123864U (en) | Blackboard eraser |
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: 20120815 Termination date: 20121118 |