CN203344579U - Full-automatic blackboard - Google Patents
Full-automatic blackboard Download PDFInfo
- Publication number
- CN203344579U CN203344579U CN 201320372370 CN201320372370U CN203344579U CN 203344579 U CN203344579 U CN 203344579U CN 201320372370 CN201320372370 CN 201320372370 CN 201320372370 U CN201320372370 U CN 201320372370U CN 203344579 U CN203344579 U CN 203344579U
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- CN
- China
- Prior art keywords
- blackboard
- flexible cable
- track
- motor
- transmission shaft
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- Expired - Fee Related
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Abstract
The utility model relates to a full-automatic blackboard which comprises a lifting motor set, a left front soft cable, a left and middle soft cable, a left rear soft cable, a front transmission shaft, a middle transmission shaft, a rear transmission shaft, a right rear soft cable, a right and middle soft cable, a right front soft cable, a bearing set, an upper blackboard body, a middle blackboard body, a lower blackboard body, a front blackboard track, a middle blackboard track, a rear blackboard track, a shading cover, a chain, a left stepping motor, a right stepping motor, a pressing motor, a worm gear, a worm, a blackboard eraser, an automatic control system and buttons. The full-automatic blackboard is characterized in that the lifting motor set is installed above the blackboard, and three motors are installed in the lifting motor set; one ends of the three transmission shafts are connected to the three motors respectively, the other ends of the three transmission shafts are connected to the bearing set, each transmission shaft is provided with two soft cables, and the other ends of the two soft cables on the same transmission shaft are connected to the same blackboard body; the three blackboard bodies are installed in the three blackboard tracks respectively, and the shading cover is arranged outside the bottom blackboard body; the chain is installed on the two stepping motors, and the pressing motor is connected with the blackboard eraser through the worm gear and the worm.
Description
Technical field
The utility model relates to a kind of fully automatic blackboard, belongs to teaching aid.
Background technology
In current teaching equipment, blackboard occupies very consequence.Now widely used blackboard, need teacher, the own manual erase chalk dust of student, and in erase process, chalk dust flies away everywhere, and not only contaminated air, more can damage human body.According to investigations, suck for a long time chalk dust, can cause the injury that is difficult to make up to vitals such as human lung, the upper respiratory tract, eyes.In addition, classmate, the teacher of the blackboard that nuzzles up know, erasing the board is a muscular labor, waste time and energy, so design a kind of not only can auto-erasing, and can effectively prevent the chalk dust diffusion fully automatic blackboard necessary.
Some automatic blackboard complex structures of having invented, used inconvenience, is unfavorable for promoting.The purpose of this utility model just is to provide a kind of fully automatic blackboard simple in structure, easy to use of cheapness.
Summary of the invention
The purpose of this utility model is: a kind of fully automatic blackboard is provided.
For achieving the above object, the utility model is by the following technical solutions: a kind of fully automatic blackboard comprises lifting motor group, left front flexible cable, left flexible cable, left back flexible cable, front propeller shaft, middle power transmission shaft, inter-axle shaft, right back flexible cable, right flexible cable, right front flexible cable, bearing group, upper blackboard, middle blackboard, lower blackboard, front blackboard track, middle blackboard track, rear blackboard track, shade, chain, left stepper motor, right stepper motor, the motor of exerting pressure, worm gear, worm screw, blackboard eraser, automatic control system, button.
It is characterized in that: the lifting motor group is arranged on the blackboard top, and the lifting of three motors for upper blackboard, blackboard, lower blackboard is installed in it; One end of three power transmission shafts is connected on three motors, other end connection bearing group; Be wound around two flexible cables on every power transmission shaft, two flexible cable other ends that are wrapped on same power transmission shaft are fixed on the same blackboard; Three blackboards are arranged in three blackboard tracks, control blackboard with track and keep vertical direction; The blackboard in below arranges shade outward, prevents the dust diffusion; Two stepper motors, chain, blackboard eraser that length is suitable with the blackboard height, motor of exerting pressure, worm gear, worm screw are installed in shade; Chain is arranged on two stepper motors, and stepper motor rotates and drives chain movement, and the blackboard eraser be fastened on chain moves in the horizontal direction erasing blackboard; The motor of exerting pressure is connected with blackboard eraser by worm gear, worm screw, is used for exerting pressure for blackboard eraser; Shade can take off, and removes the chalk dust be accumulated in shade.
The utlity model has following beneficial effect: (1) effectively prevents the chalk dust diffusion; (2) simple in structure, easy operating; (3) with low cost, be convenient to promote.
The accompanying drawing explanation
Fig. 1 is the utility model structural representation.
Fig. 2 is the utility model blackboard track schematic diagram.
Fig. 3 is the utility model blackboard elevating control schematic diagram.
Fig. 4 is the inner top view of the utility model shade.
Fig. 5 is the inner left view of the utility model shade.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is elaborated.
As shown in Figure 1, Figure 2, Figure 3, Figure 4, a kind of fully automatic blackboard, comprise lifting motor group 1, left front flexible cable 2, left flexible cable 3, left back flexible cable 4, front propeller shaft 5, middle power transmission shaft 6, inter-axle shaft 7, right back flexible cable 8, right flexible cable 9, right front flexible cable 10, bearing group 11, upper blackboard 12, middle blackboard 13, lower blackboard 14, front blackboard track 15, middle blackboard track 16, rear blackboard track 17, shade 18, chain 19, right stepper motor 20, the motor 21 of exerting pressure, worm gear 22, worm screw 23, blackboard eraser 24, left stepper motor 25, automatic control system 26, button 27.It is characterized in that: lifting motor group 1 is arranged on blackboard 12 tops, the lifting of three motors for upper blackboard 12, blackboard 13, lower blackboard 14 is installed in it, in actual use, the relative position of upper blackboard 12, middle blackboard 13, lower blackboard 14 is variable; One end of front propeller shaft 5, middle power transmission shaft 6, inter-axle shaft 7 is connected on interior three motors of lifting motor group 1, other end connection bearing group 11; On left front flexible cable 2, right front flexible cable 10 company's of being wrapped in front propeller shafts 5, the other end is connected on lower blackboard 14; Left flexible cable 3, right flexible cable 9 are wrapped on middle power transmission shaft 6, and the other end is connected on middle blackboard 13; Left back flexible cable 4, right back flexible cable 8 are wrapped on inter-axle shaft 7, and the other end is connected on blackboard 12; Upper blackboard 12 is arranged in rear blackboard track 17, and middle blackboard 13 is arranged in middle blackboard track 16, and lower blackboard 14 is arranged in front blackboard track 15; In the outer installation shade 18 of the most lower blackboard 14 of below, prevent the dust diffusion; The interior installation chain 19 of shade 18, right stepper motor 20, the motor 21 of exerting pressure, worm gear 22, worm screw 23, blackboard eraser 24, left stepper motor 25; Right stepper motor 20, left stepper motor 25 rotate and drive chain 19 motions; The blackboard eraser 24 be fastened on chain 19 moves in the horizontal direction erasing blackboard; The motor 21 of exerting pressure is connected with blackboard eraser 24 by worm gear 22, worm screw 23, is used for exerting pressure for blackboard eraser 24; Shade 18 can take off, and removes the chalk dust be accumulated in shade 18.
Using method of the present utility model is: while writing, on the middle blackboard 13 mediated, write, after using blackboard 13, press the button 27, lifting motor group 1 is rotated, upper blackboard 12 drops to lowest part, middle blackboard 13 rises to and exceeds most, be convenient to the student and copy the blackboard content, lower blackboard 14 rises to centre position, after using lower blackboard 14, press the button 27, upper blackboard 12 rises to centre position, middle blackboard 13 drops to lowest part, lower blackboard 14 rises to highest point, now, right stepper motor 20, left stepper motor 25 rotates, drive chain 19 motions, the motor 21 of exerting pressure, worm gear 22, worm screw 23, blackboard eraser 24 is moved to the left to middle blackboard 13 high order ends, follow right stepper motor 20, left stepper motor 25 reversions, drive chain 19 motions, the motor 21 of exerting pressure, worm gear 22, worm screw 23, blackboard eraser 24 middle blackboard 13 low order ends that move right, wipe back and forth middle blackboard 13 twice.Said process repeats to occur, and realizes the auto-erasing blackboard.
The utility model is compared with traditional blackboard, and blackboard is divided into to three parts, after having write a part of blackboard in centre, it is moved to the top, is convenient to the student and copies notes; The erasing blackboard automation, time saving and energy saving; Shade can effectively prevent dust diffusion, protection teacher student.In sum, the utlity model has very large practicality and certain market prospects.
Claims (1)
1. a fully automatic blackboard, device comprises lifting motor group (1), left front flexible cable (2), left flexible cable (3), left back flexible cable (4), front propeller shaft (5), middle power transmission shaft (6), inter-axle shaft (7), right back flexible cable (8), right flexible cable (9), right front flexible cable (10), bearing group (11), upper blackboard (12), middle blackboard (13), lower blackboard (14), front blackboard track (15), middle blackboard track (16), rear blackboard track (17), shade (18), chain (19), right stepper motor (20), the motor (21) of exerting pressure, worm gear (22), worm screw (23), blackboard eraser (24), left stepper motor (25), automatic control system (26), button (27), it is characterized in that: lifting motor group (1) is arranged on blackboard (12) top, and the lifting of three motors for upper blackboard (12), blackboard (13), lower blackboard (14) is installed in it, one end of front propeller shaft (5), middle power transmission shaft (6), inter-axle shaft (7) is connected on interior three motors of lifting motor group (1), other end connection bearing group (11), it is upper that left front flexible cable (2), right front flexible cable (10) are wrapped in front propeller shaft (5), and the other end is connected on lower blackboard (14), it is upper that left flexible cable (3), right flexible cable (9) are wrapped in middle power transmission shaft (6), and the other end is connected on middle blackboard (13), it is upper that left back flexible cable (4), right back flexible cable (8) are wrapped in inter-axle shaft (7), and the other end is connected on blackboard (12), upper blackboard (12) is arranged in rear blackboard track (17), and middle blackboard (13) is arranged in middle blackboard track (16), and lower blackboard (14) is arranged in front blackboard track (15), chain (19), right stepper motor (20), the motor of exerting pressure (21), worm gear (22), worm screw (23), blackboard eraser (24), left stepper motor (25) are installed in shade (18), the motor (21) of exerting pressure is connected with blackboard eraser (24) by worm gear (22), worm screw (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320372370 CN203344579U (en) | 2013-06-27 | 2013-06-27 | Full-automatic blackboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320372370 CN203344579U (en) | 2013-06-27 | 2013-06-27 | Full-automatic blackboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203344579U true CN203344579U (en) | 2013-12-18 |
Family
ID=49744511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320372370 Expired - Fee Related CN203344579U (en) | 2013-06-27 | 2013-06-27 | Full-automatic blackboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203344579U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106128224A (en) * | 2016-09-13 | 2016-11-16 | 刘翔 | A kind of teaching board display device of anti-overtravel |
| CN106157741A (en) * | 2016-09-13 | 2016-11-23 | 刘翔 | A kind of teaching board selectivity display device |
| CN107415529A (en) * | 2017-04-14 | 2017-12-01 | 黄庆 | A kind of environmentally friendly blackboard for education |
| CN109808363A (en) * | 2019-04-09 | 2019-05-28 | 河南工业职业技术学院 | A kind of instructional device for Business Management Specialty |
-
2013
- 2013-06-27 CN CN 201320372370 patent/CN203344579U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106128224A (en) * | 2016-09-13 | 2016-11-16 | 刘翔 | A kind of teaching board display device of anti-overtravel |
| CN106157741A (en) * | 2016-09-13 | 2016-11-23 | 刘翔 | A kind of teaching board selectivity display device |
| CN107415529A (en) * | 2017-04-14 | 2017-12-01 | 黄庆 | A kind of environmentally friendly blackboard for education |
| CN109808363A (en) * | 2019-04-09 | 2019-05-28 | 河南工业职业技术学院 | A kind of instructional device for Business Management Specialty |
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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 |
Granted publication date: 20131218 Termination date: 20140627 |
|
| EXPY | Termination of patent right or utility model |