阅读说明：本技术 一种基于互利网的多媒体远程教育教学系统 (Multimedia remote education and teaching system based on mutual interest network ) 是由 魏景柱 周全 曲径 于 2021-01-25 设计创作，主要内容包括：本发明公开了一种基于互利网的多媒体远程教育教学系统,包括：底座；升降机构,设置于所述底座内腔；电机,固定连接于所述底座内腔底端后侧；支撑板,固定连接于所述升降机构顶端；箱体,固定连接于所述支撑板底端中央；手写板,固定连接于所述支撑板顶端；固定板,固定连接于所述手写板顶端；第一滑槽,开设于所述固定板顶端前侧；第二滑槽,开设于所述支撑板顶端前侧；第一滑块,数量为四个,且分别两个为一组插接于所述第一滑槽和第二滑槽内腔左右两侧。该基于互利网的多媒体远程教育教学系统,进而实现以便于根据教师身高的不同调节高度,确保扩展书写面积时不会出现重叠产生较大缝隙,使用灵活,满足市场需求。(The invention discloses a multimedia remote education teaching system based on mutual benefit network, comprising: a base; the lifting mechanism is arranged in the inner cavity of the base; the motor is fixedly connected to the rear side of the bottom end of the inner cavity of the base; the supporting plate is fixedly connected to the top end of the lifting mechanism; the box body is fixedly connected to the center of the bottom end of the supporting plate; the handwriting board is fixedly connected to the top end of the supporting board; the fixed plate is fixedly connected to the top end of the handwriting board; the first sliding chute is arranged on the front side of the top end of the fixed plate; the second sliding groove is formed in the front side of the top end of the supporting plate; the first sliding blocks are four in number and are respectively two in a group and are inserted into the left side and the right side of the inner cavities of the first sliding groove and the second sliding groove. This multimedia distance education teaching system based on mutual benefit net, and then realize so that can not appear overlapping when guaranteeing the extension to write the area and produce great gap according to the different height-adjusting of teacher's height, use in a flexible way, satisfy the market demand.)

1. A multimedia distance education teaching system based on mutual interest network, comprising:

a base (1);

the lifting mechanism (2) is arranged at the bottom end of the inner cavity of the base (1);

the motor (3) is fixedly connected to the rear side of the bottom end of the inner cavity of the base (1);

the supporting plate (5) is fixedly connected to the top end of the lifting mechanism (2);

the box body (4) is fixedly connected to the center of the bottom end of the supporting plate (5);

the handwriting board (7) is fixedly connected to the top end of the supporting board (5);

the fixing plate (8) is fixedly connected to the top end of the handwriting board (7);

the first sliding chute (9) is arranged on the front side of the top end of the fixed plate (8);

the second sliding chute (14) is arranged on the front side of the top end of the supporting plate (5);

the number of the first sliding blocks (11) is four, and two sliding blocks are in a group and are respectively inserted into the left side and the right side of the inner cavity of the first sliding groove (9) and the second sliding groove (14);

the number of the second writing plates (10) is two, and the second writing plates are respectively and fixedly connected to the inner sides of the two first sliding blocks (11);

the number of the fixed blocks (12) is two, and the fixed blocks are respectively and fixedly connected to the top end of the first sliding block (11);

the number of the handles (13) is two, and the handles are respectively and fixedly connected to the outer sides of the two second writing boards (10);

the stretching mechanisms (6) are arranged on the inner sides of the two fixing blocks (12);

the switch (15) is fixedly connected to the front end of the base (1) and is electrically connected with the motor (3);

the number of the mounting plates (16) is two, and the mounting plates are respectively fixedly connected to the left side and the right side of the rear end of the handwriting board (7);

the number of the cylinders (17) is two, and the cylinders are respectively and fixedly connected to the front end of the mounting plate (16).

2. The multimedia remote education and teaching system based on mutual interest network as claimed in claim 1, wherein: the lifting mechanism (2) comprises:

the groove (21) is arranged in the center of the bottom end of the inner cavity of the base (1);

the number of the screw rods (22) is two, the screw rods are respectively and rotatably connected to the left side and the right side of the inner cavity of the base (1) through bearings, and the thread arrangement of the two screw rods (22) is opposite;

the number of the supporting plates (26) is two, and the supporting plates are respectively and fixedly connected to the left side and the right side of the bottom end of the inner cavity of the base (1);

the number of the first conical gears (24) is two, and the first conical gears are respectively and fixedly connected to the bottoms of the circumferential outer walls of the two screw rods (22);

the rotating rod (27) is inserted into the inner cavities of the two supporting plates (26) and is in bearing rotating connection with the two supporting plates (26);

two second bevel gears (25) are fixedly connected to the left side and the right side of the rotating rod (27) respectively, and the second bevel gears (25) are in meshed connection with the first bevel gears (24);

the number of the supporting cylinders (23) is two, the supporting cylinders are respectively in threaded connection with the circumferential outer wall of the screw rod (22), and the top ends of the supporting cylinders (23) are fixedly connected to the bottom end of the supporting plate (5);

the first gear (28) is fixedly connected to the center of the circumferential outer wall of the rotating rod (27) and corresponds to the position of the groove (21);

and the second gear (29) is fixedly connected to the output end of the motor (3) and is in meshed connection with the first gear (28).

3. The multimedia remote education and teaching system based on mutual interest network as claimed in claim 2, wherein: the second gear (29) is smaller in diameter than the first gear (28).

4. The multimedia remote education and teaching system based on mutual interest network as claimed in claim 1, wherein: the stretching mechanism (6) comprises:

one end of the sleeve (61) is fixedly connected to the left side of the right fixed block (12);

one end of the connecting rod (62) is inserted into the inner cavity of the sleeve (61), and the other end of the connecting rod is fixedly connected to the right side of the fixed block (12) on the left side;

the number of the moving grooves (63) is two, and the moving grooves are separately arranged at the upper end and the lower end of the inner cavity of the sleeve (61);

the spring (66) is sleeved on the right side of the circumferential outer wall of the connecting rod (62);

the limiting block (65) is fixedly connected to the right side of the connecting rod (62);

the number of the second sliding blocks (64) is two, and the second sliding blocks are fixedly connected to the upper end and the lower end of the limiting block (65) respectively.

5. The multimedia remote education and teaching system based on mutual interest network as claimed in claim 4, wherein: the second sliding block (64) is a cuboid and is in adaptive insertion connection with the moving groove (63).

6. The multimedia remote education and teaching system based on mutual interest network as claimed in claim 1, wherein: the limiting block (65) is arranged in a circular ring shape and is in adaptive insertion connection with the inner cavity of the sleeve (61).

7. The multimedia remote education and teaching system based on mutual interest network as claimed in claim 1, wherein: the first sliding groove (9) and the second sliding groove (14) are arranged in a concave shape.

8. The multimedia remote education and teaching system based on mutual interest network as claimed in claim 1, wherein: the mounting plate (16) is arranged in an L shape.

Technical Field

The invention relates to the technical field of education and teaching, in particular to a multimedia remote education and teaching system based on an internet of mutual benefits.

Background

Distance education, also called modern distance education as network education in some documents already provided by the department of education, is a kind of adult education, is a teaching mode using television and internet and other propagation media, breaks through the boundary between time and space and is different from the traditional teaching mode in school accommodation, students using the teaching mode, usually amateurs, can go to class at any time and any place because no special place is needed, and can also learn through television broadcasting, internet, guidance lines, lessons research society, face teaching (doctor) and other different pipelines, is a new concept generated after the modern information technology is applied to education, namely education developed by using network technology and environment, the object of enrollment is not limited by age and previous teaching, provides the opportunity of improving the learning history for the masses who have stepped into society, and is popularized to the continued education along with the current society, and the popularization of network education, remote education is more and more concerned;

the current education equipment can overlap and appear great gap when the area is write in the extension, influences the writing effect to can not be different according to teacher's height, to education equipment height adjustment, influence result of use.

Disclosure of Invention

The invention aims to provide a multimedia remote education teaching system based on an internet, which at least solves the problems that in the prior art, when the writing area is expanded, a large gap is generated due to overlapping, and the height of equipment is inconvenient to adjust according to the height of a teacher.

In order to achieve the purpose, the invention provides the following technical scheme: a multimedia distance education teaching system based on mutual interest network, comprising: a base; the lifting mechanism is arranged at the bottom end of the inner cavity of the base; the motor is fixedly connected to the rear side of the bottom end of the inner cavity of the base; the supporting plate is fixedly connected to the top end of the lifting mechanism; the box body is fixedly connected to the center of the bottom end of the supporting plate; the handwriting board is fixedly connected to the top end of the supporting board; the fixed plate is fixedly connected to the top end of the handwriting board; the first sliding chute is arranged on the front side of the top end of the fixed plate; the second sliding groove is formed in the front side of the top end of the supporting plate; the first sliding blocks are four in number, and two sliding blocks are in a group and are respectively inserted into the left side and the right side of the inner cavity of the first sliding chute and the second sliding chute; the number of the second writing plates is two, and the second writing plates are fixedly connected to the inner sides of the two first sliding blocks respectively; the number of the fixed blocks is two, and the fixed blocks are respectively and fixedly connected to the top end of the first sliding block at the top end; the number of the handles is two, and the handles are fixedly connected to the outer sides of the two second handwriting boards respectively; the stretching mechanisms are arranged on the inner sides of the two fixing blocks; the switch is fixedly connected to the front end of the base and is electrically connected with the motor; the number of the mounting plates is two, and the mounting plates are fixedly connected to the left side and the right side of the rear end of the handwriting board respectively; the number of the cylinders is two, and the cylinders are respectively and fixedly connected to the front end of the mounting plate.

Preferably, the lifting mechanism includes: the groove is formed in the center of the bottom end of the inner cavity of the base; the screw rods are two in number and are respectively connected to the left side and the right side of the inner cavity of the base in a rotating mode through bearings, and the two screw rods are opposite in thread arrangement; the number of the supporting plates is two, and the supporting plates are fixedly connected to the left side and the right side of the bottom end of the inner cavity of the base respectively; the number of the first conical gears is two, and the first conical gears are fixedly connected to the bottoms of the circumferential outer walls of the two screw rods respectively; the rotating rod is inserted into the inner cavities of the two support plates and is in rotating connection with the two support plate bearings; the two second bevel gears are fixedly connected to the left side and the right side of the rotating rod respectively and are in meshed connection with the first bevel gear; the number of the supporting cylinders is two, the supporting cylinders are respectively in threaded connection with the circumferential outer wall of the screw rod, and the top ends of the supporting cylinders are fixedly connected to the bottom ends of the supporting plates; the first gear is fixedly connected to the center of the circumferential outer wall of the rotating rod and corresponds to the groove in position; and the second gear is fixedly connected with the output end of the motor and is in meshed connection with the first gear.

Preferably, the second gear has a smaller diameter than the first gear.

Preferably, the stretching mechanism includes: one end of the sleeve is fixedly connected to the left side of the fixed block on the right side; one end of the connecting rod is inserted into the inner cavity of the sleeve, and the other end of the connecting rod is fixedly connected to the right side of the fixed block on the left side; the two moving grooves are separately arranged at the upper end and the lower end of the inner cavity of the sleeve; the spring is sleeved on the right side of the circumferential outer wall of the connecting rod; the limiting block is fixedly connected to the right side of the connecting rod; the number of the second sliding blocks is two, and the second sliding blocks are fixedly connected to the upper end and the lower end of the limiting block respectively.

Preferably, the second sliding block is a cuboid and is in adaptive insertion connection with the moving groove.

Preferably, the limiting block is arranged in a circular ring shape and is in adaptive insertion connection with the inner cavity of the sleeve.

Preferably, the first sliding groove and the second sliding groove are arranged in a concave shape.

Preferably, the mounting plate is arranged in an L shape.

The multimedia remote education teaching system based on the mutual benefit network has the advantages that:

1. according to the invention, firstly, a switch is pressed to start a motor to drive a lifting mechanism to push a support plate to drive a handwriting plate to move up and down, so that the height can be conveniently adjusted according to different heights of teachers;

2. according to the invention, the handle is held and pulled outwards, the second writing board is pushed backwards when the first sliding block moves in the inner cavities of the first sliding groove and the second sliding groove and moves to the left side and the right side of the inner cavity of the first sliding groove, and the writing board is fixed by matching with the stretching mechanism, so that a large gap caused by overlapping can not be generated when the writing area is expanded.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a front cross-sectional view;

FIG. 3 is a right side sectional view;

fig. 4 is an enlarged view at a.

In the figure: 1. the device comprises a base, 2, a lifting mechanism, 3, a motor, 4, a box body, 5, a supporting plate, 6, a stretching mechanism, 7, a handwriting board, 8, a fixing plate, 9, a first sliding groove, 10, a second handwriting board, 11, a first sliding block, 12, a fixing block, 13, a handle, 14, a second sliding groove, 15, a switch, 16, a mounting plate, 17, an air cylinder, 21, a groove, 22, a screw rod, 23, a supporting cylinder, 24, a first bevel gear, 25, a second bevel gear, 26, a supporting plate, 27, a rotating rod, 28, a first gear, 29, a second gear, 61, a sleeve, 62, a connecting rod, 63, a moving groove, 64, a second sliding block, 65, a limiting block, 66 and a spring.

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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a multimedia remote education teaching system based on an internet of mutual benefits comprises a base 1, a lifting mechanism 2, a motor 3, a supporting plate 5, a box body 4, a handwriting board 7, a fixing plate 8, a first chute 9, a second chute 14, a first slide block 11, a second handwriting board 10, a fixing block 12, a handle 13, a stretching mechanism 6, a switch 15, a mounting plate 16 and a cylinder 17, wherein the lifting mechanism 2 is arranged at the bottom end of an inner cavity of the base 1 and is convenient for driving the handwriting board 7 to move up and down through the lifting mechanism 2, the motor 3 is fixedly connected to the rear side of the bottom end of the inner cavity of the base 1, the motor 3 belongs to the prior known technology, the type is selected and applicable to the scheme, the supporting plate 5 is fixedly connected to the top end of the lifting mechanism 2, the handwriting board 7 is fixed through the supporting plate 5, the box body 4 is fixedly connected to, the handwriting board 7 is fixedly connected to the top end of the supporting board 5, the fixing board 8 is fixedly connected to the top end of the handwriting board 7, the first sliding grooves 9 are arranged on the front side of the top end of the fixing board 8, the second sliding grooves 14 are arranged on the front side of the top end of the supporting board 5, the number of the first sliding blocks 11 is four, two sliding blocks are in a group and are respectively inserted into the left side and the right side of the inner cavity of the first sliding grooves 9 and the second sliding grooves 14, the first sliding blocks 11 are limited through the matching of the first sliding grooves 9 and the second sliding grooves 14 so as to limit the movement of the second handwriting board 10, the number of the second handwriting boards 10 is two and are respectively and fixedly connected to the inner sides of the two first sliding blocks 11, the number of the fixing blocks 12 is two and are respectively and fixedly connected to the top end of the first sliding blocks 11, the number of the handles 13 is two and are respectively and fixedly connected to the outer sides of, switch 15 fixed connection is in base 1 front end, and with motor 3 electric connection, and mounting panel 16 quantity is two, and respectively fixed connection in the handwriting pad 7 rear end left and right sides, and cylinder 17 quantity is two, and respectively fixed connection in the 16 front ends of mounting panel, through cylinder 17 so that promote second handwriting pad 10 and move forward.

Preferably, the lifting mechanism 2 further comprises a groove 21, screws 22, a support plate 26, a first bevel gear 24, a rotating rod 27, a second bevel gear 25, a support cylinder 23 and a second gear 29, wherein the groove 21 is arranged at the center of the bottom end of the inner cavity of the base 1, the groove 21 prevents the first gear 28 from colliding during rotation, the two screws 22 are rotatably connected to the left and right sides of the inner cavity of the base 1 through bearings, the two screws 22 are oppositely threaded, the two support plates 26 are fixedly connected to the left and right sides of the bottom end of the inner cavity of the base 1 through the support plate 26 to support the rotating rod 27, the two first bevel gears 24 are fixedly connected to the bottoms of the circumferential outer walls of the two screws 22, the rotating rod 27 is inserted into the inner cavities of the two support plates 26 and rotatably connected to the bearings of the two support plates 26, the two second bevel gears 25 are provided, and fixedly connected to the left and right sides of the rotating rod 27, the second bevel gears 25 are engaged with the first bevel gears 24, the first bevel gears 24 are matched with the second bevel gears 25 to rotate the screw 22, the number of the supporting cylinders 23 is two, and the supporting cylinders are respectively in threaded connection with the circumferential outer wall of the screw 22, the top ends of the supporting cylinders 23 are fixedly connected to the bottom ends of the supporting plates 5, the supporting plates 5 are moved up and down through the supporting cylinders 23, the first gears 28 are fixedly connected to the centers of the circumferential outer walls of the rotating rod 27 and correspond to the positions of the grooves 21, and the second gears 29 are fixedly connected to the output end of the motor 3 and are engaged with the first gears 28.

Preferably, the second gear 29 is smaller in diameter than the first gear 28 to control the elevating speed.

As a preferable scheme, further, the stretching mechanism 6 includes a sleeve 61, a connecting rod 62, two moving grooves 63, two springs 66, two limiting blocks 65 and two second sliding blocks 64, one end of the sleeve 61 is fixedly connected to the left side of the fixed block 12 on the right side, one end of the connecting rod 62 is inserted into the inner cavity of the sleeve 61, the other end of the connecting rod 62 is fixedly connected to the right side of the fixed block 12 on the left side, the number of the moving grooves 63 is two, and the two moving grooves are separately arranged at the upper and lower ends of the inner cavity of the sleeve 61, the springs 66 are sleeved on the right side of the circumferential outer wall of the connecting rod 62, the springs 66 are rotating springs and elastically deformed after being stretched or squeezed, and return to the initial state after external force is removed, so as to simultaneously move the second handwriting board 10 inwards or outwards, the limiting blocks 65 are fixedly connected to the right side, the inner cavity of the second slide block 64 moves through the moving slot 63.

Preferably, the second sliding block 64 is a rectangular parallelepiped and is inserted into the moving groove 63 to prevent the limiting block 65 from rotating when moving left and right.

As a preferred scheme, furthermore, the limiting block 65 is disposed in a circular ring shape and is inserted into the inner cavity of the sleeve 61, so that the limiting block 65 can move along the inner cavity of the sleeve 61.

Preferably, the first sliding slot 9 and the second sliding slot 14 are disposed in a concave shape, so that the second writing pad 10 can move to the left and right sides of the writing pad 7.

Preferably, the mounting plate 16 is formed in an "L" shape to facilitate mounting of the cylinder 17.

The detailed connection means is a technique known in the art, and the following mainly describes the working principle and process, and the specific operation is as follows.

Firstly, a switch 15 is pressed to drive a motor 3 to drive a second gear 29 to rotate, the second gear 29 is meshed with a first gear 28, so that the first gear 28 drives a rotating rod 27 and a second bevel gear 25 to rotate, the first bevel gear 24 drives a screw 22 to rotate under the drive of the second bevel gear 25, a support cylinder 23 is matched under the action of thread rotating force to drive a support plate 5 to drive a handwriting plate 7 to move up and down, a box body 4 is exposed so as to place teaching materials and the like, and the height of equipment can be adjusted;

step two, the handle 13 is simultaneously held and pulled outwards, the first sliding block 11 moves along the inner cavities of the first sliding groove 9 and the second sliding groove 14, the fixed block 12 pulls the connecting rod 62 and the sleeve 61 to move outwards simultaneously, the limiting block 65 is matched with the second sliding block 64 to move along the inner cavity of the moving groove 63 to extrude the spring 66, when the first sliding block 11 contacts the left side and the right side of the inner cavities of the first sliding groove 9 and the second sliding groove 14, the second handwriting board 10 is pushed backwards to move to the left side and the right side of the handwriting board 7, the spring 66 releases the stretching force to clamp the second handwriting board 10, when the handwriting board is used up, the air cylinder 17 is started to push the second handwriting board 10 forwards, the spring 66 releases the elastic force to pull the fixed block 12 and the first sliding block 11 to move along the inner cavities of the first sliding groove 9 and the second sliding;

this equipment compact structure, reasonable in design to overlap the production gap can not appear when the area is write in the extension, and be convenient for according to teacher's height-adjusting, use in a flexible way, satisfy the market demand.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.