CN214492305U

CN214492305U - French teaching is with automatic blackboard writing device

Info

Publication number: CN214492305U
Application number: CN202120238344.1U
Authority: CN
Inventors: 张萌; 施扬
Original assignee: Zhejiang University of Finance and Economics
Current assignee: Zhejiang University of Finance and Economics
Priority date: 2021-01-28
Filing date: 2021-01-28
Publication date: 2021-10-26
Anticipated expiration: 2031-01-28

Abstract

The utility model relates to a french teaching technical field, in particular to french teaching is with automatic blackboard writing device. The utility model provides a french teaching is with automatic blackboard writing device, includes the support frame, the upper end of support frame is provided with the clipboard, the front end of clipboard is close to downside position and is provided with the collection frame, the rear end of clipboard is provided with the mounting panel, driving motor is installed to the upper end of mounting panel, driving motor's one end is connected with the output shaft, the front end of clipboard is provided with wiping mechanism, the inside of collecting the frame is provided with clearance mechanism, the lower extreme of support frame is provided with the gyro wheel, the lower extreme of collecting the frame is close to one side department and is connected with the discharge port. A french teaching is with automatic blackboard writing device, can realize the purpose of automatic cleaning the clipboard through wiping mechanism, can realize the automation of cleaning, can concentrate the chalk dust and discharge and collect again, the condition that the chalk dust scatters everywhere can not appear takes place, and is more practical.

Description

French teaching is with automatic blackboard writing device

Technical Field

The utility model relates to a french teaching technical field, in particular to french teaching is with automatic blackboard writing device.

Background

Generally, in the teaching of french, a blackboard writing device is needed for writing, but the existing blackboard writing device needs a user to manually wipe chalk dust on a blackboard, which is troublesome, and in addition, the wiped chalk dust directly falls on the ground, so that the situation that the dust is diffused easily occurs at a night.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide an automatic blackboard-writing device for french language teaching, which can effectively solve the problems in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an automatic blackboard writing device for French teaching comprises a support frame, wherein a writing board is arranged at the upper end of the support frame, a collecting frame is arranged at the position, close to the lower side, of the front end of the writing board, a mounting plate is arranged at the rear end of the writing board, a driving motor is mounted at the upper end of the mounting plate, one end of the driving motor is connected with an output shaft, a wiping mechanism is arranged at the front end of the writing board, a cleaning mechanism is arranged inside the collecting frame, rollers are arranged at the lower end of the support frame, and a discharge port is connected to the position, close to one side, of the lower end of the collecting frame;

the wiping mechanism comprises a first driving wheel arranged on the outer side of the output shaft, a first fixed block is connected to the front end of the writing board close to the edges of the two sides, a first lead screw penetrates through the inside of the first fixed block, a first moving block is arranged on the outer side of the first lead screw, a board wiper is arranged at the rear end of the first moving block, a second driving wheel is connected to the outer side of the first lead screw close to one side of the collecting frame, a first belt is connected between the first driving wheel and the second driving wheel, a second fixed block is arranged on the front end of the writing board close to the lower side of the first fixed block, a sliding rod penetrates through the inside of the second fixed block, and a second moving block is arranged on the outer side of the sliding rod close to the position under the first moving block;

the utility model discloses a quick-witted collection frame, including output shaft, first drive wheel, fourth belt, fourth drive wheel and collection frame, one side department that the outside of output shaft is close to first drive wheel is connected with the third drive wheel, one side of collecting the frame is provided with the fourth drive wheel, be connected with the second belt between third drive wheel and the fourth drive wheel, the fourth drive wheel runs through with the inside of collecting the frame and is provided with the second lead screw, the inboard of collecting the frame in the outside of second lead screw is provided with the scraper blade.

Preferably, the first driving wheel is fixedly connected with the output shaft, the first fixed block is fixedly connected with the writing board, the first lead screw is movably connected with the first fixed block, the first moving block is in threaded connection with the first lead screw, and the rear end of the first moving block is fixedly connected with the front end of the eraser.

Preferably, the second driving wheel is fixedly connected with the first lead screw, the first belt is movably connected between the first driving wheel and the second driving wheel, the second fixed block is fixedly connected with the collecting frame, the slide bar is fixedly connected with the second fixed block, the second moving block is slidably connected with the slide bar, and the rear end of the second moving block is fixedly connected with the position, close to the lower side, of the front end of the blackboard eraser.

Preferably, the third driving wheel is fixedly connected with the output shaft, the fourth driving wheel is fixedly connected with the second screw rod, the second belt is movably connected between the third driving wheel and the fourth driving wheel, and the second screw rod is rotatably connected inside the collecting frame.

Preferably, the scraper is matched with the inside of the collecting frame, the scraper is connected to the inside of the collecting frame in a sliding mode, and the scraper is in threaded connection with the second screw rod.

Preferably, the front end of collection frame rear end and clipboard is close to downside position fixed connection, fixed connection between the front end of mounting panel and the rear end of support frame, driving motor fixed mounting is at the upper end surface of mounting panel, fixed connection between the one end of output shaft and driving motor's the inside rotor, fixed connection between the upper end of support frame and the lower extreme of clipboard, gyro wheel fixed mounting is at the lower extreme of support frame, discharge port fixed mounting is close to one side department at the lower extreme of collecting the frame.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the teacher can write on the blackboard by the outer surface of the front end of the writing board, when the blackboard is wiped, the driving motor is started, the driving motor can drive the output shaft to rotate, the first driving wheel can be driven to rotate by the rotation of the output shaft, the first belt can be driven by the rotation of the first driving wheel, the second driving wheel in the first belt can be driven to rotate by the transmission of the first belt, the first screw rod can be driven to rotate by the rotation of the second driving wheel, because the first moving block and the first screw rod are in threaded connection, when the first screw rod rotates, the first moving block can move on the outer side of the first screw rod, and meanwhile, the second moving block can slide on the outer side of the sliding rod, so that the purpose of moving the blackboard eraser is achieved, the handwriting of chalk written on the front end of the writing board can be wiped cleanly by the movement of the blackboard eraser, the purpose of automatically wiping the writing board can be realized through the wiping mechanism, the wiping automation can be realized, and the wiping mechanism is practical.

2. In addition, the third driving wheel outside the output shaft can be rotated when the output shaft rotates, the fourth driving wheel can be driven to rotate through the second belt by rotating the third driving wheel, so that the purpose of driving the second screw rod in the fourth driving wheel to rotate is achieved, and due to the fact that the scraper blade and the second screw rod are in threaded connection, the scraper blade can slide in the collecting frame when the second screw rod rotates, so that the chalk dust in the collecting frame can be scraped into the discharging port and discharged, and the chalk dust collecting device is practical, can discharge the chalk dust in a concentrated mode, and is free from the situation that the chalk dust scatters everywhere, and is practical.

Drawings

Fig. 1 is a schematic view of the overall structure of an automatic blackboard-writing device for french teaching according to the present invention;

FIG. 2 is a schematic view of a partial structure of an automatic writing device for French teaching according to the present invention;

FIG. 3 is a schematic view of an enlarged structure of part A of an automatic blackboard-writing device for French teaching according to the present invention;

fig. 4 is the utility model discloses a french teaching is with enlarged structure schematic diagram of part B of automatic blackboard-writing device.

In the figure: 1. a support frame; 2. a writing board; 3. a collection frame; 4. mounting a plate; 5. a drive motor; 6. an output shaft; 7. a wiping mechanism; 71. a first drive wheel; 73. a first fixed block; 74. a first lead screw; 75. a first moving block; 76. erasing the blackboard; 77. a second drive wheel; 78. a first belt; 79. a second fixed block; 710. a slide bar; 711. a second moving block; 8. a cleaning mechanism; 81. a third drive wheel; 82. a fourth drive sheave; 83. a second belt; 84. a second lead screw; 85. a squeegee; 9. a roller; 10. and (7) discharging the air.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-4, an automatic writing on board device for french teaching comprises a support frame 1, a writing board 2 is arranged at the upper end of the support frame 1, a collecting frame 3 is arranged at the position, close to the lower side, of the front end of the writing board 2, a mounting plate 4 is arranged at the rear end of the writing board 2, a driving motor 5 is arranged at the upper end of the mounting plate 4, an output shaft 6 is connected to one end of the driving motor 5, a wiping mechanism 7 is arranged at the front end of the writing board 2, a cleaning mechanism 8 is arranged inside the collecting frame 3, a roller 9 is arranged at the lower end of the support frame 1, and a discharge port 10 is connected to the position, close to one side, of the lower end of the collecting frame 3;

the wiping mechanism 7 comprises a first driving wheel 71 arranged on the outer side of the output shaft 6, a first fixed block 73 is connected to the front end of the writing board 2 close to the edges of the two sides, a first lead screw 74 penetrates through the inside of the first fixed block 73, a first moving block 75 is arranged on the outer side of the first lead screw 74, a board eraser 76 is arranged at the rear end of the first moving block 75, a second driving wheel 77 is connected to one side of the outer side of the first lead screw 74 close to the collecting frame 3, a first belt 78 is connected between the first driving wheel 71 and the second driving wheel 77, a second fixed block 79 is arranged on the front end of the writing board 2 close to the lower side of the first fixed block 73, a sliding rod 710 penetrates through the inside of the second fixed block 79, and a second moving block 711 is arranged on the outer side of the sliding rod 710 close to the right lower side of the first moving block 75;

a third driving wheel 81 is connected to one side of the outer side of the output shaft 6 close to the first driving wheel 71, a fourth driving wheel 82 is arranged on one side of the collecting frame 3, a second belt 83 is connected between the third driving wheel 81 and the fourth driving wheel 82, a second screw rod 84 penetrates through the fourth driving wheel 82 and the inner side of the collecting frame 3, and a scraper 85 is arranged on the outer side of the second screw rod 84 and on the inner side of the collecting frame 3.

The first driving wheel 71 is fixedly connected with the output shaft 6, the first fixed block 73 is fixedly connected with the writing board 2, the first lead screw 74 is movably connected with the first fixed block 73, the first moving block 75 is in threaded connection with the first lead screw 74, the rear end of the first moving block 75 is fixedly connected with the front end of the board eraser 76, the second driving wheel 77 is fixedly connected with the first lead screw 74, the first belt 78 is movably connected between the first driving wheel 71 and the second driving wheel 77, the second fixed block 79 is fixedly connected with the collecting frame 3, the sliding rod 710 is fixedly connected with the second fixed block 79, the second moving block 711 is slidably connected with the sliding rod 710, and the rear end of the second moving block 711 is fixedly connected with the position, close to the lower side, of the front end of the board eraser 76.

The first driving wheel 71 can be driven to rotate by the rotation of the output shaft 6, the first belt 78 can be driven to transmit power by the rotation of the first driving wheel 71, the second drive pulley 77 in the first belt 78 can be rotated by the first belt 78 transmission, the first lead screw 74 can be rotated by the rotation of the second driving wheel 77, and since the first moving block 75 is in a screw connection with the first lead screw 74, so that the first moving block 75 can be moved at the outer side of the first lead screw 74 while the first lead screw 74 is rotated, and the second moving block 711 can be slid at the outer side of the slide bar 710, thereby achieving the purpose of moving the eraser 76, wiping the handwriting of the chalk written on the front end of the writing board 2 clean through the movement of the eraser 76, the purpose of automatically wiping the writing board 2 can be realized through the wiping mechanism 7, the wiping automation can be realized, and the automatic wiping device is practical.

The third driving wheel 81 is fixedly connected with the output shaft 6, the fourth driving wheel 82 is fixedly connected with the second screw rod 84, the second belt 83 is movably connected between the third driving wheel 81 and the fourth driving wheel 82, the second screw rod 84 is rotatably connected in the collecting frame 3, the scraping plate 85 is matched with the inside of the collecting frame 3, the scraping plate 85 is slidably connected in the collecting frame 3, and the scraping plate 85 is in threaded connection with the second screw rod 84.

In addition, the third driving wheel 81 on the outer side of the output shaft 6 can rotate when the output shaft 6 rotates, the fourth driving wheel 82 can be driven to rotate through the second belt 83 by rotating the third driving wheel 81, so that the purpose of driving the second screw rod 84 in the fourth driving wheel 82 to rotate is achieved, and the scraper 85 can slide in the collecting frame 3 when the second screw rod 84 rotates due to the fact that the scraper 85 and the second screw rod 84 are in threaded connection, so that the chalk dust can be scraped into the inside of the discharging port 10 to be discharged when the second screw rod 84 rotates, and therefore the chalk dust can be discharged in a concentrated mode, the chalk dust cannot be scattered everywhere, and the chalk dust collecting device is practical.

Collect 3 rear ends of frame and the front end of clipboard 2 and be close to downside position fixed connection, fixed connection between the front end of mounting panel 4 and the rear end of support frame 1, driving motor 5 fixed mounting is at the upper end surface of mounting panel 4, fixed connection between the one end of output shaft 6 and the inside rotor of driving motor 5, fixed connection between the upper end of support frame 1 and the lower extreme of clipboard 2, gyro wheel 9 fixed mounting is at the lower extreme of support frame 1, discharge port 10 fixed mounting is close to one side department at the lower extreme of collecting frame 3.

When the blackboard eraser is used, the roller 9 rolls on the ground by the aid of the pushing device, so that the blackboard eraser is moved to a specified position, a teacher can write on the blackboard through the outer surface of the front end of the writing board 2 in teaching, the driving motor 5 can drive the output shaft 6 to rotate by starting the driving motor 5, and the first driving wheel 71 can be driven to rotate by rotating the output shaft 6.

The working principle is as follows:

when the blackboard eraser is used, the roller 9 rolls on the ground by the pushing device, so that the device is moved to a designated position, when a teacher can write on the blackboard on the outer surface of the front end of the writing board 2 to erase a blackboard, the driving motor 5 (the model is Y2-90L-2) is started, the driving motor 5 can drive the output shaft 6 to rotate, the output shaft 6 can drive the first driving wheel 71 to rotate, the first driving wheel 71 can drive the first belt 78 to rotate, the first belt 78 can drive the second driving wheel 77 in the first belt 78 to rotate, the second driving wheel 77 can drive the first lead screw 74 to rotate, and the first moving block 75 can move outside the first lead screw 74 when the first lead screw 74 rotates due to the threaded connection relationship between the first moving block 75 and the first lead screw 74, meanwhile, the second moving block 711 can slide on the outer side of the sliding rod 710, so that the purpose of moving the eraser 76 is achieved, the chalk handwriting written on the front end of the writing board 2 can be wiped completely through the movement of the eraser 76, the purpose of automatically wiping the writing board 2 can be achieved through the wiping mechanism 7, the wiping automation can be achieved, the wiped chalk dust can fall into the collecting frame 3, in addition, the third driving wheel 81 on the outer side of the output shaft 6 can rotate while the output shaft 6 rotates, the fourth driving wheel 82 can be driven to rotate through the second belt 83 due to the rotation of the third driving wheel 81, so that the purpose of driving the second screw rod 84 in the fourth driving wheel 82 to rotate is achieved, and due to the threaded connection relationship between the scraping plate 85 and the second screw rod 84, the scraping plate 85 can slide in the collecting frame 3 when the second screw rod 84 rotates, therefore, the chalk dust in the collecting frame 3 is scraped into the discharging port 10 and discharged, and the chalk dust collecting device is practical, can discharge the chalk dust in a concentrated manner, cannot scatter the chalk dust everywhere, and is practical.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a french teaching is with automatic blackboard writing device, includes support frame (1), its characterized in that: the multifunctional writing board cleaning device is characterized in that a writing board (2) is arranged at the upper end of the support frame (1), a collecting frame (3) is arranged at the position, close to the lower side, of the front end of the writing board (2), a mounting plate (4) is arranged at the rear end of the writing board (2), a driving motor (5) is installed at the upper end of the mounting plate (4), an output shaft (6) is connected to one end of the driving motor (5), a cleaning mechanism (7) is arranged at the front end of the writing board (2), a cleaning mechanism (8) is arranged inside the collecting frame (3), rollers (9) are arranged at the lower end of the support frame (1), and a discharge port (10) is connected to the position, close to one side, of the lower end of the collecting frame (3);

the wiping mechanism (7) comprises a first driving wheel (71) arranged on the outer side of the output shaft (6), a first fixed block (73) is connected to the front end of the writing board (2) close to the edges of the two sides, a first lead screw (74) penetrates through the inside of the first fixed block (73), a first moving block (75) is arranged on the outer side of the first lead screw (74), a board wiper (76) is arranged at the rear end of the first moving block (75), a second driving wheel (77) is connected to the outer side of the first lead screw (74) close to one side of the collecting frame (3), a first belt (78) is connected between the first driving wheel (71) and the second driving wheel (77), a second fixed block (79) is arranged on the lower side of the front end of the writing board (2) close to the first fixed block (73), a sliding rod (710) penetrates through the inside of the second fixed block (79), a second moving block (711) is arranged on the outer side of the sliding rod (710) and close to the position right below the first moving block (75);

the utility model discloses a solar energy collecting device, including output shaft (6), first drive wheel (71), third drive wheel (81) are connected with in one side department that the outside of output shaft (6) is close to first drive wheel (71), one side of collecting frame (3) is provided with fourth drive wheel (82), be connected with second belt (83) between third drive wheel (81) and fourth drive wheel (82), fourth drive wheel (82) and the inside of collecting frame (3) are run through and are provided with second lead screw (84), the inboard of collecting frame (3) in the outside of second lead screw (84) is provided with scraper blade (85).

2. The automatic blackboard-writing device for french teaching according to claim 1, wherein: the first driving wheel (71) is fixedly connected with the output shaft (6), the first fixed block (73) is fixedly connected with the writing board (2), the first lead screw (74) is movably connected with the first fixed block (73), the first moving block (75) is in threaded connection with the first lead screw (74), and the rear end of the first moving block (75) is fixedly connected with the front end of the board eraser (76).

3. The automatic blackboard-writing device for french teaching according to claim 1, wherein: the second driving wheel (77) is fixedly connected with the first screw rod (74), the first belt (78) is movably connected between the first driving wheel (71) and the second driving wheel (77), the second fixing block (79) is fixedly connected with the collecting frame (3), the sliding rod (710) is fixedly connected with the second fixing block (79), the second moving block (711) is slidably connected with the sliding rod (710), and the rear end of the second moving block (711) is fixedly connected with the position, close to the lower side, of the front end of the board eraser (76).

4. The automatic blackboard-writing device for french teaching according to claim 1, wherein: fixed connection between third drive wheel (81) and output shaft (6), fixed connection between fourth drive wheel (82) and second lead screw (84), second belt (83) swing joint is between third drive wheel (81) and fourth drive wheel (82), second lead screw (84) rotate to be connected in the inside of collecting frame (3).

5. The automatic blackboard-writing device for french teaching according to claim 1, wherein: the scraper (85) is matched with the inside of the collecting frame (3), the scraper (85) is connected to the inside of the collecting frame (3) in a sliding mode, and the scraper (85) is connected with the second screw rod (84) in a threaded mode.

6. The automatic blackboard-writing device for french teaching according to claim 1, wherein: collect frame (3) rear end and the front end of clipboard (2) and be close to downside position fixed connection, fixed connection between the front end of mounting panel (4) and the rear end of support frame (1), driving motor (5) fixed mounting is at the upper end surface of mounting panel (4), fixed connection between the one end of output shaft (6) and the inside rotor of driving motor (5), fixed connection between the upper end of support frame (1) and the lower extreme of clipboard (2), gyro wheel (9) fixed mounting is at the lower extreme of support frame (1), discharge port (10) fixed mounting is close to one side department at the lower extreme of collecting frame (3).