CN115251573A

CN115251573A - English teaching is with multimedia device convenient to accomodate based on computer

Info

Publication number: CN115251573A
Application number: CN202210928878.6A
Authority: CN
Inventors: 毕丽华; 赵可
Original assignee: Jinan Engineering Vocational Technical College
Current assignee: Jinan Engineering Vocational Technical College
Priority date: 2022-08-03
Filing date: 2022-08-03
Publication date: 2022-11-01

Abstract

The invention relates to the technical field of multimedia devices, in particular to a computer-based multimedia device convenient to store for English teaching, which comprises a table board main body, wherein the bottom end of the table board main body is fixedly connected with an installation bottom plate, a lifting mechanism is arranged in the table board main body, an unfolding mechanism is arranged on the table board main body, an automatic moving mechanism is arranged in the installation bottom plate, an adjusting mechanism is arranged on the upper side of the lifting mechanism, and an automatic rotating mechanism is arranged on the lower side of the adjusting mechanism. The surface of the device is higher in flatness, meanwhile, the sliding plates move towards two sides, the use space of the surface of the table main body can be enlarged, the second transmission gear can be inverted when the subsequent lifting plate moves downwards, and the sliding plates on the two sides are close to each other, so that the surface of the table main body is automatically spliced, the integral automation degree of the device is higher, and the functionality of the device is stronger.

Description

English teaching is with multimedia device convenient to accomodate based on computer

Technical Field

The invention relates to the technical field of multimedia devices, in particular to a computer-based multimedia device convenient to store for English teaching.

Background

Multimedia refers to a combination of various media, which generally includes various media forms such as text, sound, and image.

The multimedia application range is wider, for example, in the teaching of english, because english teaching relates to multiple professional theoretical knowledge, consequently in its teaching process, combine supplementary through image, picture and sound etc. and make english teaching in-process effect better, and in assisting with the help of multimedia teaching, generally teach through computer control multimedia information.

For example, a multimedia teaching device based on computer English teaching of Chinese patent invention with publication number CN114424864A is provided with a table body component; the side bases are fixedly arranged at the two ends of the flat table body respectively, so that when computer accessories such as a mouse and a keyboard are required to be used for multimedia English teaching, the accommodating plate can be lifted out and turned over under the matching action of the driving mechanism and the hiding mechanism to display the mouse and the keyboard for people to use, and articles such as courseware and the like placed at the top of the flat table body cannot be influenced;

however, its in use, device overall structure is complicated, secondly it can tightly accomodate keyboard mouse's appurtenance, can not accomodate display etc. in step, and then make in english teaching process, when need not to use the multimedia to assist, the desktop still can not keep complete level and smooth, bring certain restriction for the in-process of follow-up english teaching, and then make the limitation of overall device higher, there are a great deal of inconveniences during the use, be unfavorable for english teaching's stable development, consequently need for an english teaching based on computer to solve above-mentioned problem with the multimedia device of being convenient for to accomodate urgently.

Disclosure of Invention

The invention aims to provide a computer-based multimedia device convenient to store for English teaching, and aims to solve the problems that in the prior art, the whole structure of the device is complex, only auxiliary tools of a keyboard and a mouse can be stored, a display cannot be synchronously stored, and the like cannot be stored, so that in the English teaching process, when multimedia is not used for assistance, a desktop cannot be kept completely flat, certain limitation is brought to the subsequent English teaching process, the whole device is high in limitation, various inconveniences exist in use, and the English teaching cannot be stably developed.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an english teaching is with multimedia device convenient to accomodate based on computer, includes the table main part, table main part bottom fixedly connected with mounting plate, the inside elevating system that is provided with of table main part, and be provided with the deployment mechanism in the table main part, the inside automatic moving mechanism that is provided with of mounting plate, and the elevating system upside is provided with adjustment mechanism, adjustment mechanism's downside is provided with automatic slewing mechanism.

Preferably, elevating system includes the lifter plate, the inside lifter plate that is provided with of mounting plate, and the lifter plate top is provided with the installing frame, the display main part is installed to the inside embedding of installing frame, and has the rotation cover through bearing swing joint on the well side of the inside bottom of mounting plate, the inside threaded connection of rotation cover has the threaded rod, the top fixed connection of threaded rod is on the bottom middle part of lifter plate, and mounting plate bottom rear side fixed mounting has the motor, and fixedly connected with second bevel gear on the output shaft of motor, rotate the first bevel gear of fixedly connected with on the outside downside of cover, and first bevel gear and second bevel gear intermeshing, fixed mounting has the switch on the table main part right-hand member.

Preferably, the left side and the right side of the inside bottom of mounting plate are fixedly connected with stop collar, and two sets of inside all inserting of stop collar is equipped with spacing inserted bar, and the top fixed connection of spacing inserted bar is on the both sides of lifter plate bottom.

Preferably, the left side and the right side of the top end of the lifting plate are fixedly connected with placing plates, and the top ends of the placing plates are provided with placing grooves.

Preferably, the unfolding mechanism comprises a mounting groove, the mounting groove is formed in the middle inside the table main body, the mounting groove and the lifting plate are matched with each other, sliding plates are inserted into the left side and the right side of the inside of the table main body, the sliding plates are arranged in two groups of the front ends and the rear ends of the sliding plates, limiting sliding grooves matched with the limiting sliding strips are formed in the table main body, and the end portions of the limiting sliding strips are tightly attached to the limiting sliding grooves.

Preferably, the automatic movable mechanism includes first rack plate, and is two sets of all the first rack plate of fixedly connected with on the bottom of sliding plate, and set up the fluting of mutually supporting with first rack plate in the table main part, all respectively two sets of fixed blocks of fixedly connected with, both sides on the left and right sides of table main part bottom fixed block is inside to have first dwang through bearing swing joint, and the first drive gear of middle side fixedly connected with in the first dwang outside, two sets of fixed plates of fixedly connected with respectively on the both sides of the inside bottom of mounting plate, both sides all have second dwang, both sides through bearing swing joint on the fixed plate all the first belt pulley of fixedly connected with on second dwang and the outside front side of first dwang, both sides respectively through first drive belt swing joint between the first belt pulley, two sets of all fixedly connected with second drive gear on the outside rear side of second dwang, and all fixedly connected with second rack plate on the left and right sides of first rack plate bottom, both sides the second rack plate meshes with second drive gear respectively mutually with two sets of second drive gear.

Preferably, two sets of the second rack plates are fixedly connected with auxiliary supporting rods on the side close to each other, and the other ends of the auxiliary supporting rods are fixedly connected on the two sides of the bottom end of the lifting plate.

Preferably, adjustment mechanism includes the installation base, all fixedly connected with installation base, both sides all on the left and right sides on lifter plate top the inside bull stick that has through bearing swing joint of installation base, and the one end fixed connection that is close to the bull stick of display main part is on the outside well side of bull stick.

Preferably, automatic slewing mechanism includes the connecting plate, all fixedly connected with connecting plate, two sets of on the left and right sides of lifter plate bottom all there is the third dwang, two sets of all fixedly connected with second belt pulley on the outside both sides of third dwang and the bull stick outside respectively through second driving belt swing joint between the second belt pulley, and have through bearing swing joint on the connecting rod and have the transmission axostylus axostyle through bearing swing joint, two sets of one that the third dwang was kept away from each other is served all fixedly connected with worm wheel, two sets of all fixedly connected with worm, two sets of on the transmission axostylus axostyle rear end the worm wheel is intermeshing with two sets of worms respectively, and the outside fixedly connected with third drive gear of transmission axostylus axostyle, two sets of all fixedly connected with installation link board on the fixed plate front end is served all fixedly connected with third rack board, two sets of third rack board meshes with two sets of third drive gear respectively.

Compared with the prior art, the invention has the beneficial effects that:

1. the multimedia device which is convenient to store and used for English teaching based on the computer is provided with the lifting plate, the motor, the second bevel gear, the display main body and the mounting groove, when the display main body needs to be used, the motor can be controlled to work through the lifting plate, the motor can drive the second bevel gear to work when working, the first bevel gear can be driven to rotate when the second bevel gear rotates, so that the lifting plate cannot rotate, the threaded rod moves upwards, the lifting plate enters the mounting groove, then the motor stops working, the multimedia device can be used, the display main body can be completely stored and ejected by the multimedia device, the surface of the table main body can be kept flat when the table main body is not used, meanwhile, the lifting plate is inserted into the mounting groove, and the surface of the table main body can be kept flat when the display main body is ejected, so that the function of the multimedia device is more complete;

2. the multimedia device which is convenient to store and used for English teaching based on the computer is provided with a mounting groove, sliding plates, a second rotating rod and second transmission gears, and the design is adopted, when the lifting plate moves upwards, the lifting plate can drive a second rack plate to move upwards, so that the second transmission gears on two sides rotate, when the second transmission gears on two sides rotate, the second rotating rod can be driven to rotate, so that the sliding plates are driven to be away from each other, the mounting groove is opened, the lifting plate moves upwards along with the lifting plate, the lifting plate enters the inside of the mounting groove, the surface of the table body is positioned in a leveling device through the sliding plates and the lifting plate, the surface of the device is higher in flatness, meanwhile, the use space of the surface of the table body can be increased due to the fact that the sliding plates move towards two sides, the second transmission gears can also rotate backwards when the subsequent lifting plate moves downwards, so that the sliding plates on two sides approach each other, the surface of the table body is spliced automatically, the whole device is higher in automation degree, and the multimedia device is beneficial to normal development of the subsequent English teaching, so that the functionality of the device is stronger;

3. this english teaching is with multimedia device convenient to accomodate based on computer is provided with third drive gear, bull stick and second belt pulley, adopt this kind of design to bring and still can drive the connecting plate of both sides when people's lifter plate is in the rebound and remove, make third drive gear rotate, can drive the transmission axostylus axostyle of both sides when third drive gear rotates and rotate, make the bull stick rotate through second belt pulley and second drive belt afterwards, can make the display main part upwards overturn when the bull stick rotates, and then make the display main part rotate certain angle, thereby be convenient for people to use, after using the completion, and then make the holistic automation of device obtain further promotion, make its function more perfect, simultaneously because the mounting frame bottom is glued has the supporting pad, make the display main part when accomodating and placing, the bottom of mounting frame can contact with the lifter top surface, thereby carry out the auxiliary stay to the display main part, make the device whole can rotate the display main part automatically when using, need not people's manual operation, and when follow-up, thereby the effectual operation of resetting operation of carrying out the reset operation of the display main part, thereby make the whole drive gear of the whole automatic control of the third drive gear and reverse rotation of the whole drive gear, make the whole automatic control of the whole screw rod carry out the next control to the next.

Drawings

FIG. 1 is a schematic diagram of a right side top perspective view of the present invention;

FIG. 2 is a schematic cross-sectional structural view of the present invention;

FIG. 3 is an exploded view of the structure of the present invention;

FIG. 4 is a schematic partial perspective view of the lifting mechanism of FIG. 3 according to the present invention;

FIG. 5 is a schematic perspective view of the deployment mechanism of FIG. 3 in accordance with the present invention;

FIG. 6 is a schematic perspective view of the lifting mechanism, the automatic moving mechanism and the automatic rotating mechanism of FIG. 3 according to the present invention;

FIG. 7 is a partial perspective view of the automatic activating mechanism of FIG. 6 according to the present invention;

FIG. 8 is a schematic partial perspective view of the adjustment mechanism and automatic rotation mechanism of FIG. 6 in accordance with the present invention;

fig. 9 is an enlarged view of the structure at a in fig. 8 according to the present invention.

In the figure: 111. a table main body; 112. mounting a bottom plate; 2. a lifting mechanism; 211. a lifting plate; 212. installing a frame; 213. a display main body; 214. rotating the sleeve; 215. a threaded rod; 216. a limiting sleeve; 217. a limiting inserted rod; 218. a motor; 219. a first bevel gear; 220. a second bevel gear; 221. a switch; 222. placing the plate; 3. a deployment mechanism; 311. mounting grooves; 312. a sliding plate; 313. a limiting slide bar; 314. a limiting chute; 4. An automatic moving mechanism; 411. a first rack plate; 412. slotting; 413. a fixed block; 414. A first drive gear; 415. a fixing plate; 416. a second rotating lever; 417. a first pulley; 418. a first drive belt; 419. a second transmission gear; 420. a second rack plate; 421. an auxiliary strut; 422. a first rotating lever; 5. an adjustment mechanism; 511. installing a base; 512. a rotating rod; 6. an automatic rotation mechanism; 611. a connecting plate; 612. a third rotating rod; 613. a second pulley; 614. a second drive belt; 615. a worm gear; 616. a connecting rod; 617. a drive shaft; 618. a worm; 619. a third transmission gear; 620. mounting a connecting plate; 621. a third rack plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Referring to fig. 1-9, an embodiment of the present invention is shown: the utility model provides an english teaching is with multimedia device convenient to accomodate based on computer, including table main part 111, table main part 111 bottom fixedly connected with mounting plate 112, the inside elevating system 2 that is provided with of table main part 111, and be provided with deployment mechanism 3 on the table main part 111, the inside automatic moving mechanism 4 that is provided with of mounting

plate

112, and 2 upsides of elevating system are provided with adjustment mechanism 5, adjustment mechanism 5's downside is provided with automatic slewing mechanism 6, mounting plate 112 rear side is provided with the power cord, the power cord is connected with external power and provides the power for the device.

Further, the lifting mechanism 2 includes a lifting plate 211, the lifting plate 211 is disposed inside the mounting base plate 112, the top end of the lifting plate 211 is provided with a mounting frame 212, the display main body 213 is embedded inside the mounting frame 212, and a support pad is glued to the bottom end of the mounting frame 212, by adopting the design, when the display main body 213 is stored, the bottom end of the mounting frame 212 can contact with the top surface of the lifting plate 211, so as to support the display main body 213, and the middle side of the bottom end inside the mounting base plate 112 is movably connected with a rotating sleeve 214 through a bearing, a threaded rod 215 is connected inside the rotating sleeve 214 through a thread, the top end of the threaded rod 215 is fixedly connected to the middle portion of the bottom end of the lifting plate 211, and a motor 218 is fixedly mounted on the rear side of the bottom end of the mounting base plate 112, and a second bevel gear 220 is fixedly connected to an output shaft of the motor 218, a first bevel gear 219 is fixedly connected to the lower side outside the rotating sleeve 214, and the first bevel gear 219 and the second bevel gear 220 are engaged with each other, and a switch 221 is fixedly mounted on the right end of the table main body 111, so that the working of the motor 218 is convenient to rotate, and the threaded rod 214 moves out of the lifting plate to drive the lifting plate to move the lifting plate 211, thereby to protect the display main body, and the display main body 213, and the display main technical problem of the present invention is not solved.

Further, fixedly connected with stop collar 216 on the left and right sides of the inside bottom of mounting plate 112, two sets of inside all inserts of stop collar 216 are equipped with spacing inserted bar 217, and the top fixed connection of spacing inserted bar 217 is on the both sides of lifter plate 211 bottom, adopts this kind of design to be convenient for make spacing through spacing inserted bar 217 and stop collar 216 for more stable when lifter plate 211 moves about.

Further, all fixedly connected with places board 222 on the left and right sides on lifter plate 211 top, and places the board 222 top and seted up the standing groove, adopts this kind of design to be convenient for place the appurtenance of keyboard and mouse through placing board 222, makes it can follow lifter plate 211 and remove to accomodate and use.

Further, deployment mechanism 3 includes mounting groove 311, mounting groove 311 has been opened to the inside middle part of table main part 111, mounting groove 311 and lifter plate 211 are mutually supported, and the inside left and right sides of table main part 111 all inserts and is equipped with sliding plate 312, all spacing draw runner 313 of fixedly connected with on the front and back both ends of two sets of sliding plates 312, the inside spacing spout 314 of mutually supporting with spacing draw runner 313 of offering of table main part 111, and the tip of spacing draw runner 313 tightly laminates with spacing spout 314, adopt this kind of design to be convenient for make sliding plate 312 slide in spacing spout 314 is inside, thereby guarantee leveling of table main part 111 surface.

Further, the automatic movable mechanism 4 includes a first rack plate 411, the first rack plate 411 is fixedly connected to the bottom ends of the two sliding plates 312, the table main body 111 is provided with a slot 412 matched with the first rack plate 411, the two fixing blocks 413 are fixedly connected to the left side and the right side of the bottom end of the table main body 111 respectively, the first rotating rod 422 is movably connected to the inside of the fixing block 413 at the two sides through a bearing, the first transmission gear 414 is fixedly connected to the inner side of the first rotating rod 422, the two fixing plates 415 are fixedly connected to the two sides of the bottom end of the mounting base plate 112 respectively, the second rotating rod 416 is movably connected to the fixing plates 415 at the two sides through a bearing, the first belt pulleys 417 are fixedly connected to the outside front sides of the second rotating rod 416 and the first rotating rod 422 at the two sides, the second transmission gear 419 is fixedly connected to the outside rear side of the second rotating rod 416 respectively, the second rack plate 420 is fixedly connected to the left side and the right side of the bottom end of the first rack plate 411, the second rack plate 420 is meshed with the second transmission gear 419 respectively, the second rack plate 420, the second transmission gear 419 is conveniently opened and closed, and the automatic movable device is convenient for people to move, and the automatic movable device, and the second rack plate 211 can be conveniently opened and moved up and down, thereby enabling the automatic movable device to be conveniently.

Further, fixedly connected with auxiliary strut 421 on one side that two sets of second rack bar plate 420 are close to each other, and the other end of auxiliary strut 421 all fixed connection on the both sides of lifter plate 211 bottom, adopt this kind of design to be convenient for make and carry out the auxiliary stay through auxiliary strut 421 to second rack bar plate 420, make it more stable.

Further, adjustment mechanism 5 includes installation base 511, all fixedly connected with installation base 511 on the left and right sides on lifter plate 211 top, and both sides installation base 511 is inside to have bull stick 512 through bearing swing joint, and the one end fixed connection that is close to bull stick 512 of display main part 213 is on the outside well side of bull stick 512, adopts this kind of design to be convenient for make the angle of rotating through bull stick 512 to display main part 213 to adjust.

Further, the automatic rotating mechanism 6 includes a connecting plate 611, the left and right sides of the bottom end of the lifting plate 211 are fixedly connected with the connecting plates 611, the inside of the two groups of connecting plates 611 is movably connected with a third rotating rod 612 through a bearing, the outside of the two groups of third rotating rods 612 and the outside of the rotating rod 512 are fixedly connected with second pulleys 613, the two groups of second pulleys 613 are respectively movably connected through a second transmission belt 614, a connecting rod 616 is movably connected with a transmission shaft 617 through a bearing, the end of the two groups of third rotating rods 612 far away from each other is fixedly connected with a worm wheel 621, the rear ends of the two groups of transmission shaft 617 are fixedly connected with worm 618, the two groups of worm wheels 615 are respectively meshed with the two groups of worm 618, the transmission shaft 617 is externally and fixedly connected with a third transmission gear 619, the front ends of the two groups of fixed plates 415 are fixedly connected with a mounting connecting plate 620, the ends of the two groups of mounting connecting plates 620 close to each other are fixedly connected with the third rack plates 621, the two groups of third rack plates 621 are respectively meshed with the third transmission gear 619, the third transmission gear is conveniently arranged so that the mounting connecting plates 618 can be driven when the lifting plate 211 moves, the third gear 618 can drive the third rack plate to rotate the main body 213 to automatically to rotate, and display the angle of the main body 213, and display the main body 213, thereby, the main body 213 can automatically display device can automatically rotate the main body 213 through the worm wheel 213 after the worm wheel.

The working principle is as follows: when the display main body 213 needs to be used, the motor 218 can be controlled by the lifting plate 211 to work, the motor 218 can drive the second bevel gear 220 to work when working, the first bevel gear 219 can be driven to rotate when the second bevel gear 220 rotates, the rotating sleeve 214 can be driven to rotate when the first bevel gear 219 rotates, when the rotating sleeve 214 rotates, the threaded rod 215 is in threaded connection with the rotating sleeve 214, the top end of the threaded rod 215 is fixedly connected to the lifting plate 211, the lifting plate 211 is limited by the limiting insertion rod 217 and the limiting sleeve 216, so that the lifting plate 211 cannot rotate, the threaded rod 215 moves upwards, when the threaded rod 215 moves upwards, the display main body 213 can be moved out from the inside of the installation bottom plate 112, the lifting plate 211 enters the inside of the installation groove 311, and then the motor 218 stops working, and the display main body 213 can be used.

When the lifting plate 211 moves upward, the second rack plate 420 is driven to move upward, when the second rack plate 420 moves upward, the second rack plate 420 is engaged with the second transmission gear 419, so that the second transmission gears 419 at both sides rotate, when the second transmission gears 419 at both sides rotate, the second rotating rod 416 is driven to rotate, when the second rotating rod 416 rotates, the first rotating rod 422 rotates through the first belt pulley 417 and the first transmission belt 418, the first transmission gear 414 rotates, when the first transmission gears 414 at both sides rotate, the first rack plates 411 at both sides are far away from each other, and the sliding plates 312 are driven to be far away from each other, so that the mounting groove 311 is opened, then the second rack plate 420 is disengaged from the second transmission gear 419, and the lifting plate 211 continues to move upward, so that the lifting plate 211 enters the mounting groove 311, and the surface of the table main body 111 is leveled through the sliding plates 312 and the lifting plate 211.

When the lifting plate 211 moves upwards, the connecting plates 611 on two sides are driven to move, when the connecting plates 611 on two sides move, the connecting rods 616 and the third transmission gears 619 on two sides are driven to move, when the connecting rods 616 move, the third transmission gears 619 rotate due to the fact that the third transmission gears 619 are meshed with the third rack plates 621, when the third transmission gears 619 rotate, the transmission shaft 617 on two sides are driven to rotate, when the transmission shaft 617 on two sides rotate, the worm 618 rotates, the worm 618 drives the worm wheel 615 to rotate, when the worm wheels 615 on two sides rotate, the third rotating rods 612 on two sides rotate, when the third rotating rods 612 on two sides rotate, the rotating rods 512 rotate through the second belt pulley 613 and the second transmission belt 614, when the rotating rods 512 rotate, the display main body 213 is turned upwards, the display main body 213 rotates for a certain angle, then the lifting plate 211 continuously moves the third rack plates 621 and the third transmission gears are disengaged, but the worm 618 and the connecting plates 620 on two sides have self-locking performance, the rotating rods 615 lock the third rotating rods 612, and the display main body 213 and accordingly, and the display device 213 can complete the adjustment of the angle of the display 612.

When the use is completed, the motor 218 can be controlled to rotate reversely through the switch 221, so that the threaded rod 215 moves downwards, so that the second rack bar 420 and the connecting plate 611 move downwards integrally, and when the second rack bar 420 and the connecting plate 611 move downwards integrally, the third transmission gear 619 and the first transmission gear 414 rotate reversely, so that the whole device is reset automatically.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides an english teaching is with multimedia device convenient to accomodate based on computer, includes: table main part (111), table main part (111) bottom fixedly connected with mounting plate (112), its characterized in that: the table board comprises a table board main body (111), wherein a lifting mechanism (2) is arranged inside the table board main body (111), an unfolding mechanism (3) is arranged on the table board main body (111), an automatic moving mechanism (4) is arranged inside a mounting base plate (112), an adjusting mechanism (5) is arranged on the upper side of the lifting mechanism (2), and an automatic rotating mechanism (6) is arranged on the lower side of the adjusting mechanism (5).

2. The computer-based multimedia device for English teaching convenient to store of claim 1, wherein: elevating system (2) include lifter plate (211), inside lifter plate (211) that is provided with of mounting plate (112), and lifter plate (211) top is provided with installing frame (212), display main part (213) are installed to installing frame (212) inside embedding, and have through bearing swing joint on the well side of the inside bottom of installing plate (112) and rotate cover (214), it has threaded rod (215) to rotate cover (214) internal thread connection, the top fixed connection of threaded rod (215) is on the bottom middle part of lifter plate (211), and mounting plate (112) bottom rear side fixed mounting has motor (218), and fixedly connected with second bevel gear (220) on the output shaft of motor (218), rotate first bevel gear (219) on cover (214) outside downside, and first bevel gear (219) and second bevel gear (220) intermeshing, fixed mounting has switch (221) on table main part (111) right-hand member.

3. The computer-based multimedia device for English teaching convenient to store of claim 1, wherein: fixedly connected with stop collar (216) on the left and right sides of the inside bottom of mounting plate (112), two sets of stop collar (216) inside all is inserted and is equipped with spacing inserted bar (217), and the top fixed connection of spacing inserted bar (217) is on the both sides of lifter plate (211) bottom.

4. The computer-based multimedia device for English teaching convenient to store of claim 2, wherein: the left side and the right side of the top end of the lifting plate (211) are fixedly connected with placing plates (222), and the top ends of the placing plates (222) are provided with placing grooves.

5. The computer-based multimedia device for English teaching convenient to store of claim 3, wherein: unfolding mechanism (3) include mounting groove (311), mounting groove (311) have been opened to the inside middle side of table main part (111), mounting groove (311) and lifter plate (211) are mutually supported, and the inside left and right sides of table main part (111) all inserts and is equipped with sliding plate (312), and are two sets of all fixedly connected with spacing draw runner (313) on the front and back both ends of sliding plate (312), spacing spout (314) of mutually supporting with spacing draw runner (313) are seted up to table main part (111) inside, and the tip of spacing draw runner (313) tightly laminates with spacing spout (314).

6. The computer-based multimedia device for English teaching convenient to store of claim 5, wherein: the automatic moving mechanism (4) comprises first rack plates (411), the bottom ends of the two groups of sliding plates (312) are fixedly connected with the first rack plates (411), and the table plate main body (111) is provided with a slot (412) which is matched with the first rack plate (411), two groups of fixed blocks (413) are respectively and fixedly connected to the left side and the right side of the bottom end of the table plate main body (111), a first rotating rod (422) is movably connected inside each fixed block (413) at two sides through a bearing, and the inner side of the outer part of the first rotating rod (422) is fixedly connected with a first transmission gear (414), two groups of fixing plates (415) are fixedly connected to two sides of the bottom end inside the mounting bottom plate (112) respectively, the two sides of the fixing plates (415) are both movably connected with second rotating rods (416) through bearings, the two sides of the second rotating rods (416) and the front side of the outer part of the first rotating rod (422) are both fixedly connected with first belt pulleys (417), the two sides of the first belt pulleys (417) are respectively and movably connected through first transmission belts (418), and the two groups of the second rotating rods (416) are both fixedly connected with second transmission gears (419) on the rear side of the outer part thereof, and the left and right sides of the bottom end of the first rack plate (411) are fixedly connected with second rack plates (420), and the second rack plates (420) on two sides are respectively meshed with two groups of second transmission gears (419).

7. The computer-based multimedia device for English teaching convenient to store of claim 6, wherein: two sets of second rack plate (420) are fixed connection has auxiliary strut (421) on the one side that is close to each other, and the other end of auxiliary strut (421) all fixed connection is on the both sides of lifter plate (211) bottom.

8. The computer-based multimedia device for English teaching convenient to store of claim 2, wherein: adjustment mechanism (5) are including installation base (511), all fixedly connected with installs base (511), both sides all on the left and right sides on lifter plate (211) top fixedly connected with installs base (511) all inside through bearing swing joint has bull stick (512), and the one end fixed connection that is close to bull stick (512) of display main part (213) is on the outside well side of bull stick (512).

9. The computer-based multimedia device for English teaching convenient to store of claim 6, wherein: automatic slewing mechanism (6) are including connecting plate (611), all fixedly connected with connecting plate (611) on the left and right sides of lifter plate (211) bottom, two sets of connecting plate (611) is inside all to have third dwang (612) through bearing swing joint, two sets of all fixedly connected with second belt pulley (613) on the outside both sides of third dwang (612) and bull stick (512), two sets of respectively through second driving belt (614) swing joint between second belt pulley (613), and have through bearing swing joint on connecting rod (616) transmission axostylus axostyle (617), two sets of all fixedly connected with worm wheel (615) on the one end that third dwang (612) kept away from each other, two sets of all fixedly connected with worm (618) on transmission axostylus axostyle (617) rear end, two sets of worm wheel (615) respectively with two sets of worm (618) intermeshing, and transmission axostylus axostyle (617) outside fixedly connected with third drive gear (619), two sets of all fixedly connected with installation link plate (620) on the front end of fixed plate (415), two sets of installation link plate (620) are close to each other and are all fixedly connected with third rack plate (621), and two sets of rack plate (619) are respectively.