CN209096352U - A kind of fully automatic blackboard of efficient manpower-free's erasing - Google Patents
A kind of fully automatic blackboard of efficient manpower-free's erasing Download PDFInfo
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- CN209096352U CN209096352U CN201821871059.8U CN201821871059U CN209096352U CN 209096352 U CN209096352 U CN 209096352U CN 201821871059 U CN201821871059 U CN 201821871059U CN 209096352 U CN209096352 U CN 209096352U
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- China
- Prior art keywords
- shell
- blackboard
- free
- fully automatic
- fixedly installed
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- 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.)
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Abstract
The utility model discloses a kind of fully automatic blackboards of efficient manpower-free's erasing, including shell, the two sides of the shell are rotatably equipped with shaft respectively, roller is fixedly installed on the outside of the shaft, blackboard surface is rotatably equipped on roller described in two groups, decelerating motor is fixedly installed on the left of the shell, scraper plate is hinged with by hinge on the inner wall of the shell, the side of the scraper plate is plugged with scraping blade, the side of the shell offers threaded hole, the threaded hole internal screw thread is connected with adjusting screw rod, one end of the adjusting screw rod is connected with spring, the corner of the shell is equipped with sponge strip, the lower end of the shell is equipped with ash deposition box；Secondary cleaning is carried out to blackboard surface by setting sponge strip, saves during teacher gives lessons and erases the board, reduce teachers work intensity, improve effect of giving lessons, harm, unhealthful problem can be brought to the respiratory system of people by solving the chalk dust flown upward.
Description
Technical field
The utility model relates to realia technical field, specially a kind of fully automatic blackboard of efficient manpower-free's erasing.
Background technique
Blackboard is the most traditional also most important medium of classroom teaching, write on blackboard by chalk transmit information and
It shows knowledge, plays good booster action during teacher lectures knowledge.The writing that chalk leaves on blackboard can be with
It wipes, the circulation for allowing blackboard to be write and wiped infinitely.In traditional technology, the blackboard eraser of erasing blackboard writing
For hand-held, the material for wiping part is wool felt, is taken away the chalk material for being attached to blackboard surface by friction repeatedly；
Teacher is to wipe back to student when saying during erasing blackboard face, can not only upset the thinking of giving lessons of teacher, also
It will affect teacher to give lessons effect；And during erasing the board, it often will appear the case where chalk dust is flown upward everywhere, the chalk flown upward
Ash can bring harm to the respiratory system of people, unhealthful, serious or even formation occupational disease.It would therefore be desirable to mention one
The fully automatic blackboard of the efficient manpower-free's erasing of kind.
Utility model content
The purpose of this utility model is to provide a kind of fully automatic blackboard of efficient manpower-free's erasing, structure design is simple to be closed
Reason, it is easy to operate, shaft rotation is driven by control decelerating motor, roller is made to drive blackboard surface rotation, realizes automatic cleaning powder
Pen ash, to solve the problems mentioned in the above background technology.
To achieve the above object, the utility model provides the following technical solutions: a kind of efficient manpower-free's erasing it is full-automatic
Blackboard, including shell, the two sides of the shell are rotatably equipped with shaft respectively, are fixedly installed with roller on the outside of the shaft,
It is rotatably equipped with blackboard surface on roller described in two groups, is fixedly installed with decelerating motor on the left of the shell, the decelerating motor
The first belt pulley is fixedly installed on transmission shaft, the shaft upper end on the left of the shell is fixedly installed with the second belt pulley, described
Scraper plate is hinged with by hinge on the inner wall of shell, the side of the scraper plate is plugged with scraping blade, and the side of the shell offers
Threaded hole, the threaded hole internal screw thread are connected with adjusting screw rod, and one end of the adjusting screw rod is connected with spring, the shell
Corner is equipped with sponge strip, and the lower end of the shell is equipped with ash deposition box.
Preferably, the sponge strip and scraper plate are separately mounted to inside the two sides of shell, and the sponge strip rubs with blackboard surface
Contact is wiped, one end of the spring is connect with scraper plate.
Preferably, first belt pulley and the second skin wheel are arranged in sustained height, first belt pulley and the second skin
Belt wheel passes through synchronous band connection.
Preferably, the inner surface of the blackboard surface is equipped with support plate, and the upper and lower ends of the support plate are fixedly mounted on shell
On body, and support plate is bonded with the sliding of the inner surface of blackboard surface.
Preferably, the upper and lower ends of the shaft are equipped with bearing, and the bearing is fixedly mounted on shell.
Preferably, one end of the adjusting screw rod is fixedly installed with knob, and the outer layer of the knob offers anti-skid chequer.
Compared with prior art, the utility model has the beneficial effects that
1, starting decelerating motor drives blackboard surface rotation, by setting scraping blade, strikes off to the letter written with chalk on blackboard surface,
Adjusting screw rod is driven to rotate in threaded hole by turning knob, adjustable scrapping plate presses the dynamics of blackboard surface, passes through setting sea
Continuous item carries out secondary cleaning to blackboard surface, saves during teacher gives lessons and erases the board, and reduces teachers work intensity, improves effect of giving lessons
Fruit；
2, by the way that scraping blade setting inside housings, is avoided the occurrence of the case where chalk dust is flown upward everywhere, Optimization Work environment,
By being equipped with ash deposition box on the downside of shell, convenient for being collected cleaning to chalk dust, solving the chalk dust flown upward can be to people
Respiratory system bring harm, unhealthful problem.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the overlooking structure diagram of the utility model；
Fig. 3 is the structural schematic diagram in the utility model Fig. 2 at A.
In figure: 1 shell, 2 shafts, 3 rollers, 4 blackboard surfaces, 5 decelerating motors, 6 first belt pulleys, 7 second belt pulleys, 8 are scraped
Plate, 9 scraping blades, 10 threaded holes, 11 adjusting screw rods, 12 springs, 13 sponge strips, 14 support plates, 15 bearings, 16 hinges, 17 knobs, 18
Ash deposition box.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Please refer to Fig. 1-3, the utility model provides a kind of technical solution: a kind of efficient manpower-free's erasing it is full-automatic black
Plate, including shell 1, the two sides of the shell 1 are rotatably equipped with shaft 2 respectively, and the outside of the shaft 2 is fixedly installed with roller
3, blackboard surface 4 is rotatably equipped on roller 3 described in two groups, and decelerating motor 5, the deceleration are fixedly installed on the left of the shell 1
The first belt pulley 6 is fixedly installed on the transmission shaft of motor 5,2 upper end of shaft in 1 left side of shell is fixedly installed with the second skin
Belt wheel 7 is hinged with scraper plate 8 by hinge 16 on the inner wall of the shell 1, and the side of the scraper plate 8 is plugged with scraping blade 9, described
The side of shell 1 offers threaded hole 10, and 10 internal screw thread of threaded hole is connected with adjusting screw rod 11, the adjusting screw rod 11
One end is connected with spring 12, and the corner of the shell 1 is equipped with sponge strip 13, and the lower end of the shell 1 is equipped with ash deposition box
18。
Specifically, the sponge strip 13 is separately mounted to inside the two sides of shell 1 with scraper plate 8, the sponge strip 13 with it is black
One end of plate face CONTACT WITH FRICTION, the spring 12 is connect with scraper plate 8, is carried out by setting sponge strip 13 to blackboard surface 4 secondary clear
It sweeps, ensures the cleaning of blackboard surface 4.
Specifically, first belt pulley 6 and the second skin wheel 7 are arranged in sustained height, first belt pulley 6 and second
Belt pulley 7 passes through synchronous band connection.
Specifically, the inner surface of the blackboard surface 4 is equipped with support plate 14, the upper and lower ends of the support plate 14 are fixedly mounted
On shell 1, and support plate 14 is bonded with the sliding of the inner surface of blackboard surface 4, is played support to blackboard surface 4 by support plate 14 and is made
With guaranteeing the fluent writing on blackboard surface 4.
Specifically, the upper and lower ends of the shaft 2 are equipped with bearing 15, the bearing 15 is fixedly mounted on shell 1.
Specifically, one end of the adjusting screw rod 11 is fixedly installed with knob 17, the outer layer of the knob 17 offers anti-
Sliding line is adjusted adjusting screw rod 11 convenient for twisting knob 17 by the setting increasing friction force of anti-skid chequer.
Working principle: when in use, starting decelerating motor 5 drives blackboard surface 4 to rotate, by the way that scraping blade 9 is arranged, to blackboard surface
Letter written with chalk on 4 is struck off, and drives adjusting screw rod 11 to rotate in threaded hole 10 by turning knob 17, adjustable scrapping plate 9
The dynamics for pressing blackboard surface 4 carries out secondary cleaning to blackboard surface 4 by the way that sponge strip 13 is arranged, saves and wipe during teacher gives lessons
Blackboard reduces teachers work intensity, improves effect of giving lessons；By being arranged scraping blade 9 inside shell 1, chalk dust is avoided the occurrence of
The case where flying upward everywhere, Optimization Work environment, by being equipped with ash deposition box 18 on the downside of shell 1, convenient for being received to chalk dust
Collection cleaning, harm, unhealthful problem can be brought to the respiratory system of people by solving the chalk dust flown upward.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of fully automatic blackboard of efficient manpower-free's erasing, including shell (1), it is characterised in that: the two sides of the shell (1)
It is rotatably equipped with shaft (2), is fixedly installed with roller (3) on the outside of the shaft (2) respectively, turned on roller described in two groups (3)
It is dynamic to be equipped with blackboard surface (4), it is fixedly installed with decelerating motor (5) on the left of the shell (1), the transmission of the decelerating motor (5)
It is fixedly installed on axis the first belt pulley (6), shaft (2) upper end on the left of the shell (1) is fixedly installed with the second belt pulley
(7), it is hinged with scraper plate (8) on the inner wall of the shell (1) by hinge (16), the side of the scraper plate (8) is plugged with scraping blade
(9), the side of the shell (1) offers threaded hole (10), and threaded hole (10) internal screw thread is connected with adjusting screw rod (11),
One end of the adjusting screw rod (11) is connected with spring (12), and the corner of the shell (1) is equipped with sponge strip (13), described
The lower end of shell (1) is equipped with ash deposition box (18).
2. a kind of fully automatic blackboard of efficient manpower-free's erasing according to claim 1, it is characterised in that: the sponge strip
(13) it is separately mounted to inside the two sides of shell (1) with scraper plate (8), the sponge strip (13) and blackboard surface CONTACT WITH FRICTION are described
One end of spring (12) is connect with scraper plate (8).
3. a kind of fully automatic blackboard of efficient manpower-free's erasing according to claim 1, it is characterised in that: first skin
Belt wheel (6) and the second belt pulley (7) are arranged in sustained height, and first belt pulley (6) passes through synchronous with the second belt pulley (7)
Band connection.
4. a kind of fully automatic blackboard of efficient manpower-free's erasing according to claim 1, it is characterised in that: the blackboard surface
(4) inner surface is equipped with support plate (14), and the upper and lower ends of the support plate (14) are fixedly mounted on shell (1), and supports
Plate (14) is bonded with the sliding of the inner surface of blackboard surface (4).
5. a kind of fully automatic blackboard of efficient manpower-free's erasing according to claim 1, it is characterised in that: the shaft
(2) upper and lower ends are equipped with bearing (15), and the bearing (15) is fixedly mounted on shell (1).
6. a kind of fully automatic blackboard of efficient manpower-free's erasing according to claim 1, it is characterised in that: the adjusting spiral shell
One end of bar (11) is fixedly installed with knob (17), and the outer layer of the knob (17) offers anti-skid chequer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821871059.8U CN209096352U (en) | 2018-11-14 | 2018-11-14 | A kind of fully automatic blackboard of efficient manpower-free's erasing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821871059.8U CN209096352U (en) | 2018-11-14 | 2018-11-14 | A kind of fully automatic blackboard of efficient manpower-free's erasing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209096352U true CN209096352U (en) | 2019-07-12 |
Family
ID=67159562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821871059.8U Expired - Fee Related CN209096352U (en) | 2018-11-14 | 2018-11-14 | A kind of fully automatic blackboard of efficient manpower-free's erasing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209096352U (en) |
-
2018
- 2018-11-14 CN CN201821871059.8U patent/CN209096352U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190712 Termination date: 20191114 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |