CN113345275A - Multimedia teaching device for education - Google Patents

Multimedia teaching device for education Download PDF

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Publication number
CN113345275A
CN113345275A CN202110498920.0A CN202110498920A CN113345275A CN 113345275 A CN113345275 A CN 113345275A CN 202110498920 A CN202110498920 A CN 202110498920A CN 113345275 A CN113345275 A CN 113345275A
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CN
China
Prior art keywords
fixedly connected
driving box
threaded rod
motor
mounting
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.)
Withdrawn
Application number
CN202110498920.0A
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Chinese (zh)
Inventor
张婕
赵君
杨凯
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xinxiang University
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Xinxiang University
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Filing date
Publication date
Application filed by Xinxiang University filed Critical Xinxiang University
Priority to CN202110498920.0A priority Critical patent/CN113345275A/en
Publication of CN113345275A publication Critical patent/CN113345275A/en
Withdrawn legal-status Critical Current

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    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B5/00—Electrically-operated educational appliances
    • G09B5/02—Electrically-operated educational appliances with visual presentation of the material to be studied, e.g. using film strip
    • B08B1/165—
    • B08B1/30—
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • F16M11/043—Allowing translations
    • F16M11/045—Allowing translations adapted to left-right translation movement
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • F16M11/043—Allowing translations
    • F16M11/046—Allowing translations adapted to upward-downward translation movement
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/18—Heads with mechanism for moving the apparatus relatively to the stand

Abstract

The invention discloses a multimedia teaching device based on education, relating to the technical field of teaching devices and comprising the following steps: the device comprises a bottom plate, a mounting bar, a display screen, a frame, an ash falling groove, a first driving box, a second driving box, a third driving box, a mounting plate, a threaded hole and a controller; two mounting bars are fixedly connected in the middle of the right side surface of the bottom plate; the display screen is fixedly connected in the middle of the front side of the bottom plate; the periphery of the front surface of the bottom plate is fixedly connected with a frame; the top of the bottom of the frame is fixedly connected with an ash falling groove; has the advantages that: the first motor drives the first threaded rod to rotate inside the first bearing inner ring, so that the first sliding block horizontally moves on the first threaded rod leftwards, the first sliding block drives the mounting frame to move leftwards, the mounting frame drives the blocking strip and the scraping strip to move leftwards, the scraping strip is tightly attached to the surface of the display screen, the scraping strip can scrape the display screen, and dust adhered to the display screen can be scraped by the scraping strip; thereby facilitating the cleaning of dust on the display screen.

Description

Multimedia teaching device for education
Technical Field
The invention relates to the technical field of teaching devices, in particular to a multimedia teaching device based on education.
Background
With the development of multimedia technology, multimedia teaching has already entered the classroom, in the field of teaching, the electric teaching is becoming the mainstream gradually, and the use of the multimedia electric classroom is quite common too, have built specialized multimedia classroom in every school and teaching organization, the multimedia teaching makes the teaching of the school very convenient and practical, have become the indispensable teaching equipment of modern teaching;
the multimedia teaching is that in the teaching process, according to the characteristics of a teaching target and a teaching object, modern teaching media are reasonably selected and applied through teaching design, and are organically combined with the traditional teaching means to participate in the whole teaching process together, and a plurality of media information acts on students to form a reasonable teaching process structure so as to achieve an optimized teaching effect; with the rapid development and popularization of computer technology, multimedia computers have gradually replaced the comprehensive use status of various previous teaching media, so that the multimedia teaching is a teaching activity process which is developed by particularly using a multimedia computer and by means of multimedia teaching software which is manufactured in advance, and can also be called computer-aided teaching, so the multimedia teaching is generally computer multimedia teaching, is a combination of various media realized by a computer, has the characteristics of interactivity, integration, controllability and the like, and is only one of the various media;
at present, in the actual use process of a multimedia computer, the multimedia computer is fixed on the wall surface, so that the vertical height adjustment and the horizontal adjustment of the multimedia computer are inconvenient, and students in the front rows and at the two sides are easy to see unclearly due to the reflection of the screen; meanwhile, in the using process, the surface of the multimedia computer is very easy to be stained with dust and sundries, so that the definition of a display screen is reduced and the display screen is not easy to clean; therefore, we propose a multimedia teaching apparatus for education to solve the above problems.
Disclosure of Invention
Technical problem to be solved
In order to overcome the defects of the prior art, a multimedia teaching device based on education is provided, which aims to solve the problems that the existing multimedia computer is fixed on the wall surface, and the up-down height adjustment and the left-right height adjustment of the multimedia computer are inconvenient, so that students at two sides of front rows are easy to see unclearly due to the reflection of light on the screen; meanwhile, in the using process, the surface of the multimedia computer is very easy to be stained with dust and sundries, so that the definition of a display screen is reduced, and the cleaning is not easy.
(II) technical scheme
The invention is realized by the following technical scheme: the invention provides a multimedia teaching device based on education, which comprises: the device comprises a bottom plate, a mounting bar, a display screen, a frame, an ash falling groove, a first driving box, a second driving box, a third driving box, a mounting plate, a threaded hole and a controller; two mounting bars are fixedly connected to the middle of the right side surface of the bottom plate; the middle of the front side of the bottom plate is fixedly connected with a display screen; the periphery of the front surface of the bottom plate is fixedly connected with a frame; the top of the bottom of the frame is fixedly connected with an ash falling groove; the top of the interior of the frame is fixedly connected with a first driving box; the right side of the bottom plate is movably connected with a second driving box; a third driving box is movably connected to the right side of the second driving box; (ii) a The front side and the rear side of the third driving box are fixedly connected with mounting plates; the surfaces of the two mounting plates are fixedly connected with a plurality of threaded holes; a controller is fixedly connected to one side of the front surface of the frame;
the first drive case includes: the device comprises a first motor, a first threaded rod, a first bearing, a first sliding block, an installation frame, a spring, a stop bar and a scraping bar;
the second drive case includes: the second motor, a second threaded rod, a second bearing, a second sliding block, a fixed plate and a fixed groove;
the third driving case includes: third motor, third threaded rod, third bearing, third slider.
Preferably, a first motor is fixedly connected to the left side inside the first driving box; a first threaded rod is fixedly connected to the right side of the first motor; the right side of the first threaded rod is fixedly connected with a first bearing, and the right side of the first bearing is fixedly connected to the inner wall of the first driving box; the outer wall of the first threaded rod is movably connected with a first sliding block; the bottom of the first sliding block is fixedly connected with an installation frame; the left side of the mounting rack is fixedly connected with a plurality of springs; the left sides of the springs are fixedly connected with baffle strips; and the left side of the barrier strip is fixedly connected with a scraping strip.
Preferably, the top of the interior of the second driving box is fixedly connected with a second motor; the output end of the bottom of the second motor is fixedly connected with a second threaded rod; the bottom of the second threaded rod is fixedly connected with a second bearing, and the bottom of the second bearing is fixedly connected to the inner wall of the second driving box; the outer wall of the second threaded rod is movably connected with a second sliding block; the left side of the second sliding block is fixedly connected with a fixed plate; the equal fixedly connected with fixed slot in fixed plate left and right sides inside, and the inside swing joint of fixed slot has the mounting bar.
Preferably, the top of the inside of the third driving box is fixedly connected with a third motor; the output end of the bottom of the third motor is fixedly connected with a third threaded rod; the bottom of the third threaded rod is fixedly connected with a third bearing, and the bottom of the right side of the third bearing is fixedly connected to the inner wall of the third driving box; and the outer wall of the third threaded rod is movably connected with a third sliding block, and the left side of the third sliding block is fixedly connected with the middle outer wall of the second driving box.
Preferably, two the mounting bar and two the fixed slot all is T style of calligraphy structure setting, and the mounting bar is mosaic structure with the fixed slot.
Preferably, the scraping strip is made of sponge material.
Preferably, the springs are arranged in an array, and the springs are arranged between the mounting frame and the stop bars.
Preferably, the left side and the right side of the frame are both in a cavity structure.
Preferably, the length of the dust falling groove is greater than that of the display screen.
Preferably, the controller is electrically connected with the first motor, the second motor and the third motor.
(III) advantageous effects
Compared with the prior art, the invention has the following beneficial effects:
(1) the first motor drives the first threaded rod to rotate inside the first bearing inner ring, so that the first sliding block horizontally moves on the first threaded rod leftwards, the first sliding block drives the mounting frame to move leftwards, the mounting frame drives the blocking strip and the scraping strip to move leftwards, the scraping strip is tightly attached to the surface of the display screen, the scraping strip can scrape the display screen, and the scraping strip can scrape dust adhered to the display screen; thereby facilitating the cleaning of dust on the display screen;
(2) the scraping strip is always attached to the display screen through the tension of the spring, and meanwhile, the scraping strip can still be attached to the display screen after being worn, so that the dust scraping effect is better;
(3) the second motor can drive the second threaded rod to rotate in the inner ring of the second bearing, so that the second sliding block can move up and down horizontally on the second threaded rod, and meanwhile, the second sliding block drives the bottom plate and the display screen to move up and down horizontally, so that the up and down positions of the display screen can be adjusted conveniently; the third motor drives the third threaded rod to rotate inside the inner ring of the third bearing, so that the third sliding block horizontally moves left and right on the third threaded rod, and meanwhile, the third sliding block also drives the second driving box, the bottom plate and the display screen to move simultaneously, so that the left and right positions of the display screen can be conveniently adjusted;
(4) the display screen is fixedly installed by embedding the installation strips in the fixed groove, and meanwhile, the installation strips are convenient to take out of the fixed groove; thereby the display screen is convenient to mount and dismount.
Drawings
FIG. 1 is a front view of the present invention in its entirety;
FIG. 2 is a schematic view of the overall split structure of the present invention;
FIG. 3 is a schematic view of the overall back structure of the present invention;
FIG. 4 is a schematic view of the invention taken generally in the disassembled configuration of FIG. 3;
FIG. 5 is a schematic top cross-sectional view of FIG. 3 in accordance with the present invention;
FIG. 6 is a schematic cross-sectional view of the integral frame and first drive housing of the present invention;
FIG. 7 is a schematic view of the overall wiper strip construction of the present invention;
FIG. 8 is a left side sectional view of the integral wiper strip of the present invention;
FIG. 9 is a schematic cross-sectional view of the integral secondary drive housing of the present invention;
fig. 10 is a schematic of the overall structure of the present invention at fig. 3A.
The reference numerals are explained below:
1. a base plate; 101. mounting a bar; 2. a display screen; 3. a frame; 301. an ash falling groove; 4. a first drive case; 401. a first motor 402, a first threaded rod; 403. a first bearing; 404. a first slider; 405. a mounting frame; 406. a spring; 407. a stop bar 408 and a scraping bar; 5. A second drive box; 501. a second motor; 502. a second threaded rod; 503. a second bearing; 504. A second slider; 505. a fixing plate; 506. fixing grooves; 6. a third drive box; 601. a third motor; 602. a third threaded rod; 603 a third bearing; 604. a third slider; 7. mounting a plate; 701. a threaded hole; 8. and a controller.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1 to 5, an education-based multimedia teaching apparatus includes: the device comprises a bottom plate 1, a mounting bar 101, a display screen 2, a frame 3, a dust falling groove 301, a first driving box 4, a second driving box 5, a third driving box 6, a mounting plate 7, a threaded hole 701 and a controller 8; two mounting bars 101 are fixedly connected to the middle of the right side surface of the bottom plate 1; the middle of the front side of the bottom plate 1 is fixedly connected with a display screen 2; the periphery of the front surface of the bottom plate 1 is fixedly connected with a frame 3; the top of the bottom of the frame 3 is fixedly connected with an ash falling groove 301; the top of the interior of the frame 3 is fixedly connected with a first driving box 4; the right side of the bottom plate 1 is movably connected with a second driving box 5; the right side of the second driving box 5 is movably connected with a third driving box 6; (ii) a The front side and the rear side of the third driving box 6 are fixedly connected with mounting plates 7; the surfaces of the two mounting plates 7 are fixedly connected with a plurality of threaded holes 701; a controller 8 is fixedly connected with one side of the front surface of the frame 3;
the first drive case 4 includes: a first motor 401, a first threaded rod 402, a first bearing 403, a first slider 404, a mounting rack 405, a spring 406, a stop bar 407 and a scraping bar 408;
the second drive case 5 includes: a second motor 501, a second threaded rod 502, a second bearing 503, a second sliding block 504, a fixing plate 505 and a fixing groove 506;
the third drive case 6 includes: a third motor 601, a third threaded rod 602, a third bearing 603 and a third slide block 604.
In this embodiment, a first motor 401 is fixedly connected to the left side inside the first driving box 4; a first threaded rod 402 is fixedly connected to the right side of the first motor 401; the right side of the first threaded rod 402 is fixedly connected with a first bearing 403, and the right side of the first bearing 403 is fixedly connected with the inner wall of the first driving box 4; the outer wall of the first threaded rod 402 is movably connected with a first sliding block 404; the bottom of the first sliding block 404 is fixedly connected with a mounting rack 405; a plurality of springs 406 are fixedly connected to the left side of the mounting frame 405; the left sides of the springs 406 are fixedly connected with stop bars 407; the left side of the stop bar 407 is fixedly connected with a scraping bar 408.
When the scraping device is used specifically, the first motor 401 drives the first threaded rod 402 to rotate inside the inner ring of the first bearing 403, so that the first slider 404 horizontally moves on the first threaded rod 402 to the left, the first slider 404 drives the mounting frame 405 to move to the left, the mounting frame 405 drives the barrier strips 407 and the scraping strips 408 to move to the left, the scraping strips 408 are tightly attached to the surface of the display screen 2, the scraping strips 408 can scrape the display screen 2, and the scraping strips 408 can scrape dust adhered to the display screen 2; thereby facilitating cleaning of dust on the display screen 2.
In this embodiment, the top of the interior of the second driving box 5 is fixedly connected with a second motor 501; a second threaded rod 502 is fixedly connected to the output end of the bottom of the second motor 501; the bottom of the second threaded rod 502 is fixedly connected with a second bearing 503, and the bottom of the second bearing 503 is fixedly connected with the inner wall of the second driving box 5; the outer wall of the second threaded rod 502 is movably connected with a second sliding block 504; a fixing plate 505 is fixedly connected to the left side of the second slider 504; fixing grooves 506 are fixedly connected to the inner portions of the left side and the right side of the fixing plate 505, and the mounting strips 101 are movably connected to the inner portions of the fixing grooves 506.
When the display device is used specifically, the second motor 501 can drive the second threaded rod 502 to rotate inside the inner ring of the second bearing 503, so that the second slider 504 can move up and down horizontally on the second threaded rod 502, and meanwhile, the second slider 504 drives the bottom plate 1 and the display screen 2 to move up and down horizontally; thereby facilitating adjustment of the up-down position of the display screen 2.
In this embodiment, the top of the inside of the third driving box 6 is fixedly connected with a third motor 601; a third threaded rod 602 is fixedly connected to the output end of the bottom of the third motor 601; the bottom of the third threaded rod 602 is fixedly connected with a third bearing 603, and the bottom of the right side of the third bearing 603 is fixedly connected with the inner wall of the third driving box 6; the outer wall of the third threaded rod 602 is movably connected with a third sliding block 604, and the left side of the third sliding block 604 is fixedly connected with the middle outer wall of the second driving box 5.
During specific use, the third motor 601 drives the third threaded rod 602 to rotate inside the inner ring of the third bearing 603, so that the third sliding block 604 horizontally moves on the third threaded rod 602, and meanwhile, the third sliding block 604 also drives the second driving box, the bottom plate 1 and the display screen 2 to move simultaneously, so that the left and right positions of the display screen 2 can be conveniently adjusted.
In this embodiment, the two mounting bars 101 and the two fixing grooves 506 are both arranged in a T-shaped structure, and the mounting bars 101 and the fixing grooves 506 are in an embedded structure.
When the display screen is used specifically, the mounting bar 101 is embedded in the fixing groove 506, so that the display screen 2 is mounted and fixed, and meanwhile, the mounting bar 101 is convenient to take out from the fixing groove 506; thereby facilitating the mounting and dismounting of the display screen 2.
In this embodiment, the scraping strip 408 is made of sponge material.
When the display screen scraping device is used specifically, the display screen 2 cannot be scraped when the scraping strip 408 scrapes off dust on the display screen 2 through the softness of the sponge.
In this embodiment, the springs 406 are arranged in an array, and the springs 406 are arranged between the mounting frame 405 and the stop bars 407.
When the dust scraper is used specifically, the scraping strip 408 is always attached to the display screen 2 through the tension of the spring 406, and meanwhile, the scraping strip 408 can still be attached to the display screen 2 after the scraping strip 408 is worn, so that the dust scraping effect is better.
In this embodiment, the left and right sides of the frame 3 are both arranged in a cavity structure.
When the novel display screen is used specifically, the left side and the right side of the frame 3 are both in a cavity structure, and when dust does not need to be removed from the display screen 2, the mounting frame 405, the spring 406, the barrier strips 407 and the scraping strips 408 can be hidden on the left side or the right side of the frame 3, so that the appearance is not affected.
In this embodiment, the length of the dust falling groove 301 is greater than the length of the display screen 2.
When the dust scraping device is used specifically, dust scraped by the scraping strip 408 on the display screen 2 can fall into the dust falling groove 301 completely, and cleaning is facilitated.
In this embodiment, the controller 8 is electrically connected to the first motor 401, the second motor 501, and the third motor 601.
During specific use, the controller 8 can control the working states of the first motor 401, the second motor 501 and the third motor 601.
The invention provides a working principle of a multimedia teaching device based on education, which comprises the following steps:
firstly, connecting a controller 8, a first motor 401, a second motor 501 and a third motor 601 with a power supply, and controlling the working states of the first motor 401, the second motor 501 and the third motor 601 through the controller 8; 7. mounting a plate; 701. a threaded hole;
firstly, an external bolt penetrates through a threaded hole 701 to install an installation plate 7 on a wall surface, so that a second driving box 5 and a third driving box 6 are fixed on the wall surface;
then, the mounting bar 101 is embedded in the fixing groove 506, so that the floor 1 and the display screen 2 are mounted and fixed;
then, when the position of the display screen 2 is adjusted, the second motor 501 drives the second threaded rod 502 to rotate inside the inner ring of the second bearing 503, so that the second slider 504 can move horizontally up and down on the second threaded rod 502, and the second slider 504 drives the bottom plate 1 and the display screen 2 to move horizontally up and down; thereby facilitating the adjustment of the up-and-down position of the display screen 2;
meanwhile, the third motor 601 drives the third threaded rod 602 to rotate in the inner ring of the third bearing 603, so that the third sliding block 604 horizontally moves left and right on the third threaded rod 602, and meanwhile, the third sliding block 604 also drives the second driving box, the bottom plate 1 and the display screen 2 to move simultaneously, so that the left and right positions of the display screen 2 can be conveniently adjusted;
when dust on the surface of the display screen 2 needs to be cleaned, the first motor 401 drives the first threaded rod 402 to rotate inside the inner ring of the first bearing 403, so that the first slider 404 horizontally moves on the first threaded rod 402 leftwards, the first slider 404 drives the mounting frame 405 to move leftwards, the mounting frame 405 drives the stop strip 407 and the scraping strip 408 to move leftwards, the scraping strip 408 is tightly attached to the surface of the display screen 2 through the tension of the spring 406, the scraping strip 408 can scrape the display screen 2, and the scraping strip 408 can scrape the dust adhered to the display screen 2; then, the dust can fall into the dust falling groove 301 completely; thereby facilitating cleaning of dust on the display screen 2.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and do not limit the spirit and scope of the present invention. Various modifications and improvements of the technical solutions of the present invention may be made by those skilled in the art without departing from the design concept of the present invention, and the technical contents of the present invention are fully described in the claims.

Claims (10)

1. An education-based multimedia teaching apparatus comprising: the device comprises a base plate (1), a mounting bar (101), a display screen (2), a frame (3), an ash falling groove (301), a first driving box (4), a second driving box (5), a third driving box (6), a mounting plate (7), threaded holes (701) and a controller (8); the method is characterized in that: the middle of the right side surface of the bottom plate (1) is fixedly connected with two mounting bars (101); the display screen (2) is fixedly connected to the middle of the front side of the bottom plate (1); the periphery of the front surface of the bottom plate (1) is fixedly connected with a frame (3); the top of the bottom of the frame (3) is fixedly connected with an ash falling groove (301); the top of the interior of the frame (3) is fixedly connected with a first driving box (4); the right side of the bottom plate (1) is movably connected with a second driving box (5); the right side of the second driving box (5) is movably connected with a third driving box (6); (ii) a The front side and the rear side of the third driving box (6) are fixedly connected with mounting plates (7); the surfaces of the two mounting plates (7) are fixedly connected with a plurality of threaded holes (701); a controller (8) is fixedly connected to one side of the front surface of the frame (3);
the first drive case (4) includes: the device comprises a first motor (401), a first threaded rod (402), a first bearing (403), a first sliding block (404), a mounting frame (405), a spring (406), a stop bar (407) and a scraping bar (408);
the second drive case (5) includes: a second motor (501), a second threaded rod (502), a second bearing (503), a second sliding block (504), a fixing plate (505) and a fixing groove (506);
the third drive case (6) includes: a third motor (601), a third threaded rod (602), a third bearing (603) and a third sliding block (604).
2. The multimedia teaching apparatus for education according to claim 1, wherein: a first motor (401) is fixedly connected to the left side inside the first driving box (4); a first threaded rod (402) is fixedly connected to the right side of the first motor (401); the right side of the first threaded rod (402) is fixedly connected with a first bearing (403), and the right side of the first bearing (403) is fixedly connected with the inner wall of the first driving box (4); the outer wall of the first threaded rod (402) is movably connected with a first sliding block (404); the bottom of the first sliding block (404) is fixedly connected with a mounting rack (405); the left side of the mounting rack (405) is fixedly connected with a plurality of springs (406); the left sides of the springs (406) are fixedly connected with baffle bars (407); the left side of the stop bar (407) is fixedly connected with a scraping bar (408).
3. The multimedia teaching apparatus for education according to claim 1, wherein: the top of the interior of the second driving box (5) is fixedly connected with a second motor (501); a second threaded rod (502) is fixedly connected to the output end of the bottom of the second motor (501); the bottom of the second threaded rod (502) is fixedly connected with a second bearing (503), and the bottom of the second bearing (503) is fixedly connected with the inner wall of the second driving box (5); the outer wall of the second threaded rod (502) is movably connected with a second sliding block (504); a fixing plate (505) is fixedly connected to the left side of the second sliding block (504); the fixing plate (505) is fixedly connected with fixing grooves (506) in the left side and the right side, and mounting bars (101) are movably connected in the fixing grooves (506).
4. An educational-based multimedia teaching apparatus according to claim 1 or 5, wherein: the top of the interior of the third driving box (6) is fixedly connected with a third motor (601); the output end of the bottom of the third motor (601) is fixedly connected with a third threaded rod (602); the bottom of the third threaded rod (602) is fixedly connected with a third bearing (603), and the bottom of the right side of the third bearing (603) is fixedly connected to the inner wall of the third driving box (6); the outer wall of the third threaded rod (602) is movably connected with a third sliding block (604), and the left side of the third sliding block (604) is fixedly connected to the middle outer wall of the second driving box (5).
5. An educational-based multimedia teaching apparatus according to claim 1 or 3, wherein: two mounting bar (101) and two fixed slot (506) all are T style of calligraphy structure setting, and mounting bar (101) and fixed slot (506) are mosaic structure.
6. The multimedia teaching apparatus for education according to claim 4, wherein: the scraping strip (408) is made of sponge material.
7. The multimedia teaching apparatus for education according to claim 4, wherein: the springs (406) are arranged in an array, and the springs (406) are arranged between the mounting frame (405) and the stop bars (407).
8. The multimedia teaching apparatus for education according to claim 1, wherein: the left side and the right side of the frame (3) are both in a cavity structure.
9. The multimedia teaching apparatus for education according to claim 1, wherein: the length of the dust falling groove (301) is larger than that of the display screen (2).
10. The multimedia teaching apparatus for education according to claim 1, wherein: the controller (8) is electrically connected with the first motor (401), the second motor (501) and the third motor (601).
CN202110498920.0A 2021-05-08 2021-05-08 Multimedia teaching device for education Withdrawn CN113345275A (en)

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CN202110498920.0A CN113345275A (en) 2021-05-08 2021-05-08 Multimedia teaching device for education

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Application Number Priority Date Filing Date Title
CN202110498920.0A CN113345275A (en) 2021-05-08 2021-05-08 Multimedia teaching device for education

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Application publication date: 20210903