CN109830133B

CN109830133B - Multimode english teaching device of english teaching

Info

Publication number: CN109830133B
Application number: CN201910283435.4A
Authority: CN
Inventors: 胡小礼; 罗凤梅
Original assignee: Jiangsu Maritime Institute
Current assignee: Jiangsu Maritime Institute
Priority date: 2019-04-10
Filing date: 2019-04-10
Publication date: 2020-12-29
Anticipated expiration: 2039-04-10
Also published as: CN109830133A

Abstract

The invention discloses a multi-mode English teaching device for English teaching, which comprises a machine body with a shell structure, wherein a layered plate is welded at the bottom of the machine body and divides the interior of the machine body into a rotating chamber and a control chamber, a first connecting rod is rotatably connected to the bottom surface of the rotating chamber, a rotating device is connected onto the first connecting rod, a square hole is formed in the inner wall of the machine body, the first connecting rod penetrates through the square hole and is welded with a display screen, a recovery device is connected to one end, far away from the display screen, of the first connecting rod, and a limiting device for limiting the display screen from extending out is connected to the joint of the square hole and the machine body. The device has the advantages that: the directional swing of realizing the display screen through reduction gears and rotating device makes things convenient for the student to watch, makes the display screen can use up the recovery through recovery unit and stop device to can be fixed the display screen in the occasion that does not need the rotation, be equipped with simultaneously in the control room and look, listen, touch triple modal teaching, improve student's learning efficiency, convenient teaching.

Description

Multimode english teaching device of english teaching

Technical Field

The invention relates to the technical field of teaching aids, in particular to a multi-mode English teaching device for English teaching.

Background

With the continuous development of multimedia technology, network technology and scientific means, the traditional teaching method is gradually eliminated and replaced by multimedia teaching, and multi-mode English teaching generates multi-mode interaction between subjects and objects in teaching, and also comprises interaction between students and problem situations, interaction between teachers and network environments and the like, and the interaction shows that communication is carried out between the subjects and the objects, evaluation and feedback can be given, the development of the teaching process can be promoted jointly, and the combination of multi-mode and multimedia classroom teaching is realized.

Multimode english teaching device among the prior art mainly shows the content of imparting knowledge to students through the display screen, utilize player and microphone to carry out the lecture, this kind of multimode english teaching device stability is not high, and only can produce multimode teaching through sound and image in teacher's explanation, the device is in the fixed surface all the time to dead ahead simultaneously in the teaching, make the unable fine acceptance teaching of classmate on both sides, the teaching effect is not good and interactive relatively poor, and external display screen can't be preserved after using, damage easily and cause loss of property, for this reason, we have proposed the multimode english teaching device of an english teaching.

Disclosure of Invention

The invention aims to solve the problems that in the prior art, a multi-mode English teaching device is poor in interactivity and cannot store a display screen, and the multi-mode English teaching device for English teaching is provided.

In order to achieve the purpose, the invention adopts the following technical scheme: a multi-mode English teaching device for English teaching comprises a machine body with a shell structure, wherein a layered plate is welded at the bottom of the machine body and divides the interior of the machine body into a rotating chamber and a control chamber, a first connecting rod is rotatably connected to the bottom surface of the rotating chamber, a rotating device is connected to the first connecting rod, a square hole is formed in the inner wall of the machine body, the first connecting rod penetrates through the square hole, a display screen is welded to the outer part of the machine body, a recovery device for recovering the first connecting rod into the interior of the machine body is connected to one end of the first connecting rod, which is far away from the display screen, a first wire hole is formed in the layered plate, a second wire hole is formed in one side wall of the machine body, which is close to the control chamber, a wire connector is arranged on one side of the display screen, which is close to the machine body, a first transmission wire is arranged in, the data processor is simultaneously connected with a second transmission line and a third transmission line, the second transmission line is connected with a handwriting screen, the handwriting screen and the data processor are both glued at the bottom of the control room, the third transmission line penetrates through the second line hole and is connected with a player at the part outside the machine body, the player is welded on the side wall of the machine body, and a limiting device for limiting the display screen from extending out is connected at the joint of the square hole and the machine body.

In the multi-mode english teaching device of foretell english teaching, rotating device includes the second connecting rod, the second connecting rod rotates with first connecting rod and is connected with the fixed axle, fixed axle fixed connection is in the bottom of organism, the one end welding that bottom of the body was kept away from to the fixed axle has first knob, the one end rotation that first knob was kept away from to the second connecting rod is connected with the third connecting rod, the one end fixedly connected with axis of rotation of second connecting rod is kept away from to the third connecting rod, the top of axis of rotation is connected with the reduction gears who makes rotating device slow down.

In the multi-mode english teaching device of foretell english teaching, reduction gears includes the speed reduction room, the speed reduction room is located the top of rotating the room, be provided with the planet carrier in the speed reduction room, the one end of organism bottom surface is kept away from in the planet carrier welding axis of rotation, the one end fixedly connected with planet wheel of axis of rotation is kept away from to the planet carrier, the planet wheel meshing has sun gear and internal gear simultaneously, sun gear, internal gear all rotate the top inner wall of connection at the speed reduction room through the bearing, the centre of gyration of sun gear, internal gear and axis of rotation is the same, the outdoor motor that is provided with of speed reduction room, the output shaft of motor runs through the organism and passes through key.

In foretell multi-mode english teaching device of english teaching, recovery unit includes the slider, the welding has the free bearing on the slider, the free bearing internal rotation is connected with the round pin and rotates with the one end that first connecting rod kept away from the display screen simultaneously and is connected, rotate the room bottom and set up the spout parallel with the organism lateral wall, in the slider sliding connection spout, the spout has the spring with the junction welding of organism inner wall, the free end welding of spring is on the slider.

In foretell multimode english teaching device of english teaching, limiting device includes two draw-in groove pieces, two draw-in groove piece symmetry sets up in the both sides of square hole, every draw-in groove and two screw holes have all been seted up in the draw-in groove piece, one the screw hole is along draw-in groove vertical direction and run through the draw-in groove, keeps away from running through the draw-in groove screw hole female connection has the regulating spindle, the regulating spindle runs through the organism inner wall and has the second knob at external threaded connection of organism, runs through the draw-in groove screw hole female connection has the bolt, threaded connection display screen and draw-in groove piece simultaneously are threaded connection to the bolt.

At the multi-mode english teaching device of foretell english teaching, the motor is connected fixedly with external fixed plate, the bottom of the body rotates through the minor axis and is connected with a plurality of gyro wheels, one side welding that the top of the body is close to the motor has the handspike.

At the multi-mode english teaching device of foretell english teaching, fixed axle and bottom of the body inner wall threaded connection, first connecting rod and second connecting rod all with fixed axle clearance fit, the axis of rotation passes through the bearing rotation with the bottom inner wall of organism and is connected, the length of first connecting rod is less than the width of rotating the room.

Compared with the prior art, the invention has the advantages that:

1. the device firstly drives a sun gear, a planet carrier and an internal gear through a motor to form a planet gear train, wherein the sun gear is an input shaft; the planet carrier is the output shaft, make the motor output rotational speed reduce, and through first connecting rod, the second connecting rod, the four-bar linkage that the third connecting rod constitutes makes the display screen of welding in first connecting rod department finally realize along the horizontal slow wobbling result of square hole, can make the content that the display screen shows not only can be seen clearly just to the ascending student of display screen side, also can let the student of both sides see the teaching content clearly, avoid because the study problem that reflection of light and sight strabismus lead to, and realized the organic interaction between teaching subject and the object in the slow swing of this kind of display screen and student's study absorption.

2. This device is equipped with recovery unit and limiting device simultaneously, after the teaching is accomplished, can pass through the removal of slider in the spout, make the third connecting rod retrieve completely to rotating indoorly, just also mean that the display screen is retrieved in, the rethread rotates the second knob, the draw-in groove piece with it threaded connection rotates the draw-in groove and blocks behind the display screen just with the bolt fixed simultaneously with display screen and draw-in groove piece, realize the effect that the display screen retrieves completely, this kind of state also is applicable to the occasion that need not rotate the display screen simultaneously, the application scope of this device has been increased.

3. This device is through handwriting screen and the data processor that sets up simultaneously in the control room, and in the english teaching, the student can be through writing the word acquiescently on the handwriting screen to show the word through the display screen and the word pronunciation is broadcast to the player, realized simultaneously that the interactive teaching of seeing, hearing, three kinds of modals makes the teaching effect better, arouses enthusiasm and the autonomy that the student studied.

Drawings

FIG. 1 is a schematic structural diagram of a multi-modal English teaching device for English teaching according to the present invention;

FIG. 2 is a front view of a multi-modal English teaching device for English teaching according to the present invention;

FIG. 3 is a schematic structural view of a deceleration chamber of the multi-modal English teaching device for English teaching according to the present invention;

fig. 4 is an enlarged schematic view of a part a of the multi-modal english teaching apparatus for english teaching according to the present invention.

In the figure: 1 machine body, 2 layered plates, 3 rotating chambers, 4 control chambers, 5 third connecting rods, 6 second connecting rods, 7 first connecting rods, 8 display screens, 9 fixed shafts, 10 sliding blocks, 11 sliding chutes, 12 springs, 13 rotating shafts, 14 rollers, 15 hand push rods, 16 motors, 17 planet carriers, 18 sun wheels, 19 planet wheels, 20 internal gears, 21 speed reduction chambers, 22 first wire holes, 23 first transmission lines, 24 data processors, 25 players, 26 second wire holes, 27 handwriting screens, 28 first knobs, 29 clamping groove blocks, 30 adjusting shafts, 31 second knobs, 32 square holes, 33 threaded holes and 34 bolts.

Detailed Description

The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.

Examples

Referring to fig. 1-4, the multimode english teaching device for english teaching provided by the present invention comprises a housing 1 having a housing structure, a layered plate 2 welded to the bottom of the housing 1, the layered plate 2 dividing the interior of the housing 1 into a rotation chamber 3 and a control chamber 4, a first connecting rod 7 rotatably connected to the bottom of the rotation chamber 3, a rotation device connected to the first connecting rod 7, a square hole 32 formed in the inner wall of the housing 1, a display screen 8 welded to the portion of the first connecting rod 7 outside the housing 1 through the square hole 32, a recovery device connected to the end of the first connecting rod 7 remote from the display screen 8 for recovering the first connecting rod 7 to the interior of the housing 1, a first wire hole 22 formed in the layered plate 2, a second wire hole 26 formed in the side wall of the housing 1 close to the control chamber 4, a wire joint arranged on the side of the display screen 8 close to the housing 1, a first transmission wire 23 arranged in the wire, the first transmission line 23 simultaneously passes through the square hole 32 and the first line hole 22 and is connected with the data processor 24, the data processor 24 is simultaneously connected with a second transmission line and a third transmission line, the second transmission line is connected with the handwriting screen 27, the handwriting screen 27 and the data processor 24 are both glued at the bottom of the control room 4, the third transmission line passes through the second line hole 26 and is connected with the player 25 at the part outside the machine body 1, the player 25 is welded on the side wall of the machine body 1, and the connecting part of the square hole 32 and the machine body 1 is connected with a limiting device for limiting the display screen 8 from extending out.

Rotating device includes second connecting rod 6, second connecting rod 6 rotates with first connecting rod 7 and is connected with fixed axle 9, fixed axle 9 fixed connection is in the bottom of organism 1, the one end welding that fixed axle 9 kept away from the bottom of organism 1 has first knob 28, the one end rotation that first knob 28 was kept away from to second connecting rod 6 is connected with third connecting rod 5, the one end fixedly connected with axis of rotation 13 of second connecting rod 6 is kept away from to third connecting rod 5, the top of axis of rotation 13 is connected with the reduction gears who makes rotating device speed reduction, make the device slow motion.

The speed reducing mechanism comprises a speed reducing chamber 21, the speed reducing chamber 21 is positioned above the rotating chamber 3, a planet carrier 17 is arranged in the speed reducing chamber 21, the planet carrier 17 is welded at one end, away from the bottom surface of the machine body 1, of the rotating shaft 13, a planet gear 19 is fixedly connected at one end, away from the rotating shaft 13, of the planet carrier 17, the planet gear 19 is simultaneously meshed with a sun gear 18 and an inner gear 20, the sun gear 18 and the inner gear 20 are both rotatably connected to the inner wall of the top of the speed reducing chamber 21 through bearings, the centers of rotation of the sun gear 18, the inner gear 20 and the rotating shaft 13 are the same, a motor 16 is arranged outside the speed reducing chamber 21, an output shaft of the motor 16 penetrates through the machine body 1 and is fixedly connected with the sun gear 18 through keys.

The recycling device comprises a sliding block 10, a hinged support is welded on the sliding block 10, a pin is rotatably connected in the hinged support and is rotatably connected with one end, far away from a display screen 8, of a first connecting rod 7, a sliding groove 11 parallel to the side wall of the machine body 1 is formed in the bottom of a rotating chamber 3, the sliding block 10 is slidably connected in the sliding groove 11, a spring 12 is welded at the joint of the sliding groove 11 and the inner wall of the machine body 1, the free end of the spring 12 is welded on the sliding block 10, the limiting device comprises two clamping groove blocks 29, the two clamping groove blocks 29 are symmetrically arranged on two sides of a square hole 32, each clamping groove block 29 is internally provided with a clamping groove and two threaded holes 33, one threaded hole 33 penetrates through the clamping groove along the vertical direction of the clamping groove, an adjusting shaft 30 is connected with an internal thread of the threaded hole 33 far away from the penetrating through clamping groove, run through the draw-in groove screw hole 33 female connection has bolt 34, bolt 34 threaded connection display screen 8 and draw-in groove piece 29 simultaneously when retrieving display screen 8, through the rotation of second knob 31, make the draw-in groove parallel with display screen 8, seted up in display screen 8 this moment with bolt 34 complex screw hole 33, bolt 34 can be threaded connection display screen 8 and draw-in groove piece 29 simultaneously, the realization is fixed to the recovery of display screen 8.

Motor 16 is connected fixedly with external fixed plate, 1 bottom of organism is connected with a plurality of gyro wheels 14 through the minor axis rotation, 1 top of organism has handspike 15 near one side welding of motor 16, fixed

axle

9 and 1 bottom inner wall threaded connection of organism, when retrieving first connecting rod 7, can make fixed axle 9 break away from with 1 bottom of organism through the first knob 28 of rotating, first connecting rod 7 and second connecting rod 6 do not constitute the rotation relation this moment, first connecting rod 7 can be retrieved through spout 11 slip, first connecting rod 7 all with fixed axle 9 clearance fit with second connecting rod 6, axis of rotation 13 passes through the bearing rotation with 1 bottom inner wall of organism and is connected, the length of first connecting rod 7 is less than the width of rotating chamber 3, make first connecting rod 7 can retrieve completely to rotating chamber 3 in.

In the invention, the rotating shaft 13 is fixedly connected to the rotation center of the third connecting rod 5 to drive the third connecting rod 5 to rotate, and bears the effect of reducing the speed of an output shaft of a planetary gear train consisting of the sun gear 18, the planet gears 19, the planet carrier 17 and the internal gear 20 to realize the effect of reducing the speed and transmitting, the motor 16 transmits the rotating speed to the planet carrier 17 through the reduction of the planetary gear train and transmits the rotating speed to the rotating device through the rotating shaft 13, in the four-bar mechanism formed by the third connecting bar 5, the second connecting bar 6 and the first connecting bar 7, the first connecting bar 7 is an output member, the motion track of the output member is periodic swing around a fixed shaft 9, therefore, the display screen 8 is welded on the part, outside the machine body 1, of the first connecting rod 7, the effect of swinging the display screen 8 in a period can be achieved, and the teaching device can not only enable students who are facing to the device to watch and study, but also provide good sight lines for students sitting on two sides.

Keep away from display screen 8 one end rotation simultaneously at first connecting rod 7 and be connected with slider 10, after the teaching is accomplished, through slider 10 at the removal of spout 11 and compression spring 12 simultaneously, make first connecting rod 7 retrieve completely to rotating chamber 3 in, and the limiting device that square hole 32 both sides set up, including draw-in groove piece 29, and the draw-in groove in draw-in groove piece 29 can be just inserted by display screen 8 and establish, and begin to have two screw holes 33 between the two, can be by bolt 34 threaded connection simultaneously, make when rotatory second knob 31 makes draw-in groove and display screen 8 parallel card establish, bolt 34 can firmly fix display screen 8, and the removal that a plurality of gyro wheels 14 that the bottom set up outside organism 1 and the handspike 15 that the top set up can make things convenient for the device.

Install data processor 24 in control room 4 and connect display screen 8, handwriting screen 27 and player 25 respectively through different transmission lines on, the student can write out word, phrase or sentence pattern through handwriting screen 27, under data processor's 24 processing, broadcasts out through player 25 and display screen 8 simultaneously, and the better completion teacher is in seeing, hearing, touching the interdynamic of subject between the student in the three mode to can improve student's learning efficiency.

To sum up, this device can realize through reduction gears and rotating device that the periodic oscillation of display screen 8 provides better viewing angle for the both sides student, also can firmly fix display screen 8 in recovery unit and limiting device, constitutes multi-modal teaching through handwriting screen 27, display screen 8, player 25 simultaneously, improves student's learning efficiency.

It should be noted that the motor 16 of the present invention may be a 4IK25A-C single phase asynchronous motor.

Although terms such as the body 1, the layered plate 2, the rotation chamber 3, the control chamber 4, the third link 5, the second link 6, the first link 7, the display screen 8, the fixed shaft 9, the slider 10, the slide groove 11, the spring 12, the rotation shaft 13, the roller 14, the push lever 15, the motor 16, the planet carrier 17, the sun gear 18, the planet gear 19, the internal gear 20, the reduction chamber 21, the first wire hole 22, the first transmission line 23, the data processor 24, the player 25, the second wire hole 26, the handwriting screen 27, the first knob 28, the slot block 29, the adjustment shaft 30, the second knob 31, the square hole 32, the threaded hole 33, and the bolt 34 are used more frequently, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.

Claims

1. A multi-mode English teaching device for English teaching comprises a machine body 1 with a shell structure and is characterized in that a layered plate (2) is welded at the bottom of the machine body (1), the layered plate (2) divides the interior of the machine body (1) into a rotating chamber (3) and a control chamber (4), a first connecting rod (7) is rotatably connected to the bottom surface of the rotating chamber (3), the rotating device is connected to the first connecting rod (7), a square hole (32) is formed in the inner wall of the machine body (1), the first connecting rod (7) penetrates through the square hole (32) and a display screen (8) is welded to the part outside the machine body (1), a recovery device enabling the first connecting rod (7) to be recovered to the interior of the machine body (1) is connected to one end, far away from the display screen (8), of the first connecting rod (7), a first line hole (22) is formed in the layered plate (2), a second line hole (26) is formed in one side wall, close to the control chamber (4), of the, a wire joint is arranged on one side, close to the machine body (1), of the display screen (8), a first transmission line (23) is arranged in the wire joint, the first transmission line (23) penetrates through a square hole (32) and a first wire hole (22) simultaneously and is connected with a data processor (24), a second transmission line and a third transmission line are connected to the data processor (24) simultaneously, the second transmission line is connected with a handwriting screen (27), the handwriting screen (27) and the data processor (24) are both glued at the bottom of the control room (4), the third transmission line penetrates through a second wire hole (26) and is connected with a player (25) at the part outside the machine body (1), the player (25) is welded on the side wall of the machine body (1), and a limiting device for limiting the display screen (8) from extending out is connected to the joint of the square hole (32) and the machine body (1); rotating device includes second connecting rod (6), second connecting rod (6) rotate with first connecting rod (7) and are connected with fixed axle (9), fixed axle (9) fixed connection is in the bottom of organism (1), the one end welding that organism (1) bottom was kept away from in fixed axle (9) has first knob (28), the one end rotation that first knob (28) were kept away from in second connecting rod (6) is connected with third connecting rod (5), the one end fixedly connected with axis of rotation (13) of second connecting rod (6) are kept away from in third connecting rod (5), the top of axis of rotation (13) is connected with the reduction gears who makes rotating device reduce speed.

2. The multi-modal English teaching device according to claim 1, wherein the decelerating mechanism comprises a decelerating chamber (21), the decelerating chamber (21) is located above the rotating chamber (3), a planet carrier (17) is arranged in the decelerating chamber (21), the planet carrier (17) is welded at one end of the rotating shaft (13) far away from the bottom surface of the machine body (1), a planet wheel (19) is fixedly connected at one end of the planet carrier (17) far away from the rotating shaft (13), the planet wheel (19) is simultaneously engaged with a sun wheel (18) and an inner gear (20), the sun wheel (18) and the inner gear (20) are both rotatably connected to the inner wall of the top of the decelerating chamber (21) through bearings, the centers of rotation of the sun wheel (18), the inner gear (20) and the rotating shaft (13) are the same, and a motor (16) is arranged outside the decelerating chamber (21), an output shaft of the motor (16) penetrates through the machine body (1) and is fixedly connected with the sun gear (18) through a key.

3. The multi-mode English teaching device according to claim 1, wherein the recycling device comprises a sliding block (10), a hinged support is welded on the sliding block (10), a pin is rotatably connected in the hinged support and is rotatably connected with one end, far away from the display screen (8), of the first connecting rod (7), a sliding groove (11) parallel to the side wall of the machine body (1) is formed in the bottom of the rotating chamber (3), the sliding block (10) is slidably connected in the sliding groove (11), a spring (12) is welded at the joint of the sliding groove (11) and the inner wall of the machine body (1), and the free end of the spring (12) is welded on the sliding block (10).

4. The multi-modal English teaching device according to claim 1, wherein the limiting device comprises two slot blocks (29), two slot blocks (29) are symmetrically arranged at two sides of the square hole (32), each slot block (29) is provided with a slot and two threaded holes (33), one threaded hole (33) extends through the slot along the vertical direction of the slot, the threaded hole (33) far away from the slot is internally threaded with an adjusting shaft (30), the adjusting shaft (30) extends through the inner wall of the machine body (1) and is externally threaded with a second knob (31) on the machine body (1), the threaded hole (33) extending through the slot is internally threaded with a bolt (34), and the bolt (34) is simultaneously threaded with the display screen (8) and the slot block (29).

5. The multi-modal English teaching device according to claim 2, wherein the motor (16) is fixedly connected with an external fixing plate, the bottom of the machine body (1) is rotatably connected with a plurality of rollers (14) through short shafts, and a hand push rod (15) is welded on one side of the top of the machine body (1) close to the motor (16).

6. The multi-modal English teaching device according to claim 1, wherein the fixed shaft (9) is in threaded connection with the inner wall of the bottom of the machine body (1), the first connecting rod (7) and the second connecting rod (6) are in clearance fit with the fixed shaft (9), the rotating shaft (13) is rotatably connected with the inner wall of the bottom of the machine body (1) through a bearing, and the length of the first connecting rod (7) is smaller than the width of the rotating chamber (3).