Interactive multimedia teaching equipment for training

Abstract

The utility model relates to the technical field of multimedia equipment accessory devices, in particular to interactive multimedia teaching equipment for training, which can be placed at a proper position by using an indoor interactive projection all-in-one machine so as to carry out infrared sensing following along with figures, so that the interactive performance of the equipment is improved, and the teaching efficiency is improved. The teaching equipment comprises a box body and teaching equipment, the teaching equipment is uniformly mounted in the box body, the teaching equipment further comprises projection devices, a rotating mechanism, an adjusting device, a supporting device and a clamping mechanism, the box body is provided with a mounting groove in a penetrating manner, the projection devices are uniformly mounted in the mounting groove, and the projection devices are provided with holes. The rotating mechanism penetrates through the machine hole and is rotatably connected with the projection device, the adjusting devices are uniformly mounted on the rotating mechanism, a mounting seat is arranged at the bottom end of the box body, the supporting device penetrates through the mounting seat and is rotatably connected with the box body, a clamping groove is formed in the box body, and the clamping mechanism penetrates through the clamping groove and is slidably connected with the box body.

Description

Technical Field

[0001] The utility model relates to the technical field of auxiliary devices for multimedia devices, in particular to an interactive training multimedia teaching device. Background Technique

[0002] Multimedia teaching is a teaching method that uses computer technology and combines various media forms such as text, images, audio, and video to enhance the expressiveness and attractiveness of teaching content. This method transcends the limitations of traditional teaching that only relies on books and blackboards, provides a more rich and diverse learning experience, and aims to improve students' learning interest, deepen understanding, and promote memory. Among them, interactive multimedia teaching is further developed on the basis of multimedia teaching, emphasizing two-way communication and interaction in the teaching process. It not only transmits information unidirectionally, but also allows students to directly participate in teaching activities through specific technical means such as touch screens, electronic whiteboards, online platforms, etc., to achieve instant feedback and personalized learning. The most common existing interactive multimedia teaching devices are projectors; a projector is a device used for teaching explanations in daily life and has been widely used in the field of multimedia teaching.

[0003] When using the existing projector, first ensure that the transmitter and all receivers of the projector are fully charged, and charge in advance if necessary. Find the switch on the transmitter and long-press the switch for about 2 seconds until the indicator light changes from red to blue, indicating that the device has been turned on. Project the image onto a plane by aligning the output end of the projector with a blank position and cooperate with the explanation for teaching; it is found in the use of the existing projector that most projectors are imaging devices, resulting in relatively single functions, low interactivity, and low teaching quality in multimedia teaching, thus resulting in low working efficiency of the device. Content of the Utility Model

[0004] To solve the above technical problems, the utility model provides an interactive training multimedia teaching device that can improve the interactive performance of the device and thus improve the working efficiency of the device by using an indoor interactive projection all-in-one machine, placing it in an appropriate position, and making it follow people through infrared sensing.

[0005] An interactive training multimedia teaching device of the utility model includes a box body and a teaching device. The teaching device is evenly installed in the box body. The teaching device further includes a projection device, a rotating mechanism, an adjusting device, a supporting device, and a clamping mechanism. The box body is provided with an installation groove in a penetrating manner. The projection devices are evenly installed in the installation groove. A machine hole is provided on the projection device. The rotating mechanism passes through the machine hole and is rotatably connected to the projection device. The adjusting devices are evenly installed on the rotating mechanism. An installation seat is provided at the bottom end of the box body. The supporting device passes through the installation seat and is rotatably connected to the box body. A clamping groove is provided on the box body. The clamping mechanism passes through the clamping groove and is slidably connected to the box body.

[0006] Preferably, the projection device further includes an interactive projector, a mounting plate, a first bolt, a signal sensor, and a control power supply. The mounting plate and the mounting groove are provided with first screw holes therethrough. Multiple groups of first bolts respectively pass through the corresponding first screw holes and are threadedly connected to the mounting plate and the box body. The connection end of the interactive projector is connected to the connection end of the mounting plate. A viewing port is provided on the mounting groove in a matching manner. The output end of the interactive projector is closely attached to the viewing port. The connection end of the signal sensor is connected to the connection end of the interactive projector. The connection end of the control power supply is connected to the connection end of the mounting plate. The output end of the control power supply is electrically connected to the input end of the interactive projector.

[0007] Preferably, the rotating mechanism further includes a driving motor, an adjusting plate, a telescopic rod, and a second bolt. The connection end of the driving motor is connected to the connection end of the mounting plate. The output end of the driving motor passes through the machine hole and is connected to the connection end of the adjusting plate. An adjusting groove is provided on the adjusting plate. The telescopic rod passes through the adjusting groove and is slidably connected to the adjusting plate. A second screw hole is provided on the telescopic rod in a matching manner. The second bolt passes through the second screw hole and is threadedly connected to the telescopic rod.

[0008] Preferably, the adjusting device further includes a bracket, a servo motor, a turntable, an infrared sensor, an interaction capture sensor, and an electric push rod. The connection end of the bracket is connected to the top end of the telescopic rod. The connection end of the servo motor is connected to the bottom end of the bracket. A through hole is provided on the bracket. The output end of the servo motor passes through the through hole and is connected to the connection end of the turntable. The connection end of the infrared sensor is connected to the connection end of the turntable. A hinge seat is provided on the turntable. The interaction capture sensor passes through the hinge seat and is rotatably connected to the turntable. Hinge holes are provided on both the interaction capture sensor and the turntable. The connection end and the output end of the electric push rod respectively pass through the corresponding hinge holes and are rotatably connected to the interaction capture sensor and the turntable.

[0009] Preferably, the supporting device further includes a connecting rod, an adjusting disc, a supporting arm, a third bolt, a fourth bolt, a cushion plate, an electric turntable, and a base. The connecting rod passes through the mounting seat and is rotatably connected to the box body. A third screw hole is provided on the mounting seat in a matching manner. The third bolt passes through the third screw hole and is threadedly connected to the mounting seat. The connection end of the adjusting disc is rotatably connected to the bottom end of the box body. A connecting seat is provided on the adjusting disc. The supporting arm passes through the connecting seat and is rotatably connected to the adjusting disc. Multiple groups of fourth screw holes are provided on the connecting rod. Multiple groups of fourth bolts respectively pass through the corresponding fourth screw holes and are threadedly connected to the connecting rod. A groove is provided on the supporting arm in a matching manner. The connection end of the cushion plate is hinged to the connection end of the supporting arm. The output end of the electric turntable is connected to the bottom end of the cushion plate. The bottom end of the electric turntable is connected to the top end of the base.

[0010] Preferably, the clamping mechanism further includes a pin, a buckle, and a button. The connection end of the pin is connected to the connection end of the cushion plate. The buckle passes through the card slot and is slidably connected to the box body. The button passes through the card slot and is connected to the top end of the buckle.

[0011] Preferably, it further includes a handle. A positioning seat is provided on the box body, and the handle passes through the positioning seat and is rotatably connected to the box body.

[0012] Preferably, it further includes a side door. A fixing seat is provided on the box body, and the side door passes through the fixing seat and is rotatably connected to the box body.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows: During the process of multimedia explanation, through the combined method of a projector and interactive capture, visual and interactive supplements are made to the traditional explanation instrument, thereby improving the quality of multimedia teaching.

[0014] (2) By folding and unfolding the device in the box body, it can be stored or unfolded, thereby improving the convenience of device displacement and the space utilization rate of the device.

[0015] (3) Through the integrated control method of electric control devices such as motors and electric push rods, it can be driven by releasing electrical signals, thereby improving the automation level of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic structural diagram of the present utility model;

[0017] Figure 2 It is a schematic connection structure diagram of the box body and the mounting plate of the present utility model;

[0018] Figure 3 It is a schematic connection structure diagram of the mounting plate and the control power supply of the present utility model;

[0019] Figure 4 It is a partial enlarged schematic structural diagram of A of the present utility model;

[0020] Reference numerals in the drawings: 1, box body; 201, mounting groove; 202, machine hole; 203, mounting seat; 204, card slot; 301, interactive projector; 302, mounting plate; 303, first bolt; 304, signal sensor; 305, control power supply; 306, first screw hole; 307, viewing port; 401, drive motor; 402, adjusting plate; 403, telescopic rod; 404, second bolt; 405, adjusting groove; 406, second screw hole; 501, bracket; 502, servo motor; 503, turntable; 504, infrared sensor; 505, interactive capture sensor; 506, electric push rod; 507, through hole; 508, hinge seat; 509, hinge hole; 601, connecting rod; 602, adjusting disc; 603, support arm; 604, third bolt; 605, fourth bolt; 606, backing plate; 607, electric turntable; 608, base; 609, third screw hole; 610, fourth screw hole; 611, connecting seat; 612, groove; 701, pin; 702, buckle; 703, button; 8, handle; 9, positioning seat; 10, side door; 11, fixed seat. Detailed implementation manners

[0021] The following will further describe in detail the specific implementation manners of the present utility model in conjunction with the drawings and embodiments. The following embodiments are used to illustrate the present utility model, but are not used to limit the scope of the present utility model.

[0022] As Figures 1 to 4 shown, a multimedia teaching device for interactive training of the present utility model includes a box body 1 and teaching devices. The teaching devices are evenly installed in the box body 1. The teaching devices further include a projection device, a rotating mechanism, an adjusting device, a supporting device and a clamping mechanism. The box body 1 is provided with a mounting groove 201 penetrating through it. The projection devices are evenly installed in the mounting groove 201. A machine hole 202 is provided on the projection device. The rotating mechanism passes through the machine hole 202 and is rotatably connected to the projection device. The adjusting devices are evenly installed on the rotating mechanism. A mounting seat 203 is provided at the bottom end of the box body 1. The supporting device passes through the mounting seat 203 and is rotatably connected to the box body 1. A card slot 204 is provided on the box body 1. The clamping mechanism passes through the card slot 204 and is slidably connected to the box body 1; during the process of multimedia teaching, by rotating the rotating device and the supporting device, the device is gradually unfolded to be placed in a bracket style. The projection device plays images and voices interactively. During this process, through artificial teaching, the infrared ray is followed by cooperating with the adjusting device to capture the gestures and postures of the human body. These are used as command input values into the projection device for interaction, and the large direction is adjusted and followed by cooperating with the supporting device, and the small direction is followed by the adjusting device. After the device is used up, the device can be stored by folding the supporting device and rotating the rotating mechanism, and stored in the box body for displacement. Through the image interaction method, the working efficiency of the device is improved.

[0023] Preferably, as in the above embodiment, the projection device further includes an interactive projector 301, a mounting plate 302, a first bolt 303, a signal sensor 304, and a control power supply 305. The mounting plate 302 and the mounting groove 201 are provided with first screw holes 306 therethrough. A plurality of groups of first bolts 303 respectively pass through the corresponding first screw holes 306 and are threadedly connected to the mounting plate 302 and the box body 1. The connection end of the interactive projector 301 is connected to the connection end of the mounting plate 302. A viewing port 307 is provided in a matching manner on the mounting groove 201. The output end of the interactive projector 301 is in close contact with the viewing port 307. The connection end of the signal sensor 304 is connected to the connection end of the interactive projector 301. The connection end of the control power supply 305 is connected to the connection end of the mounting plate 302. The output end of the control power supply 305 is electrically connected to the input end of the interactive projector 301. During the process of projecting teaching content, the mounting plate is installed by the first bolt. The mounting plate is an "L"-shaped plate, which can be used for lateral, top, and bottom installations, so as to install the projection device and the rotating mechanism. During disassembly and assembly, modularization can be achieved by disassembling and assembling the first bolt, thereby improving the convenience of equipment disassembly and assembly. During this process, the control power supply provides energy supply, and the signal sensor transmits signals into the interactive projector for projection, thereby improving the automation level of the equipment and the working efficiency of the equipment.

[0024] Preferably, as in the above embodiment, the rotating mechanism further includes a driving motor 401, an adjusting plate 402, a telescopic rod 403, and a second bolt 404. The connection end of the driving motor 401 is connected to the connection end of the mounting plate 302. The output end of the driving motor 401 passes through the machine hole 202 and is connected to the connection end of the adjusting plate 402. An adjusting groove 405 is provided on the adjusting plate 402. The telescopic rod 403 passes through the adjusting groove 405 and is slidably connected to the adjusting plate 402. A second screw hole 406 is provided in a matching manner on the telescopic rod 403. The second bolt 404 passes through the second screw hole 406 and is threadedly connected to the telescopic rod 403. During the process of rotating the equipment, the driving motor is started to rotate on the mounting plate, driving the connected adjusting plate to be retracted or unfolded, so as to project or displace the equipment. During this process, the telescopic rod is slid to extend the distance and angle captured by the equipment, and is fastened by the second bolt, thereby improving the convenience of equipment use and the working efficiency of the equipment.

[0025] Preferably, as in the above embodiment, the adjusting device further includes a bracket 501, a servo motor 502, a turntable 503, an infrared sensor 504, an interactive capture sensor 505, and an electric push rod 506. The connecting end of the bracket 501 is connected to the top end of the telescopic rod 403, and the connecting end of the servo motor 502 is connected to the bottom end of the bracket 501. A through hole 507 is provided on the bracket 501. The output end of the servo motor 502 passes through the through hole 507 and is connected to the connecting end of the turntable 503. The connecting end of the infrared sensor 504 is connected to the connecting end of the turntable 503. A hinge seat 508 is provided on the turntable 503. The interactive capture sensor 505 passes through the hinge seat 508 and is rotatably connected to the turntable 503. Hinge holes 509 are provided on both the interactive capture sensor 505 and the turntable 503. The connecting end and the output end of the electric push rod 506 respectively pass through the corresponding hinge holes 509 and are rotatably connected to the interactive capture sensor 505 and the turntable 503. During the process of adjusting the angle of the device, the infrared sensor captures the human figure, thereby emitting an electrical signal to drive the servo motor to rotate, and then driving the turntable to adjust the angle. During this process, the electric push rod is coordinated to drive the interactive capture sensor to finely adjust the upward tilt, so that it can better adapt to the light source, thereby improving the automation level of the device and the working efficiency of the device.

[0026] Preferably, as an embodiment above, the supporting device further includes a connecting rod 601, an adjusting disk 602, a supporting arm 603, a third bolt 604, a fourth bolt 605, a backing plate 606, an electric turntable 607 and a base 608. The connecting rod 601 passes through the mounting seat 203 and is rotatably connected to the box body 1. A third screw hole 609 is provided on the mounting seat 203. The third bolt 604 passes through the third screw hole 609 and is threadedly connected to the mounting seat 203. The connecting end of the adjusting disk 602 is rotatably connected to the bottom end of the box body 1. A connecting seat 611 is provided on the adjusting disk 602. The supporting arm 603 passes through the connecting seat 611 and is rotatably connected to the adjusting disk 602. Multiple groups of fourth screw holes 610 are provided on the connecting rod 601. Multiple groups of fourth bolts 605 respectively pass through the corresponding fourth screw holes 610 and are threadedly connected to the connecting rod 601. A groove 612 is provided on the supporting arm 603. The connecting end of the backing plate 606 is hinged to the connecting end of the supporting arm 603. The output end of the electric turntable 607 is connected to the bottom end of the backing plate 606. The bottom end of the electric turntable 607 is connected to the top end of the base 608. During the process of supporting the device, rotate the adjusting disk to drive the supporting arm connected thereto to rotate, and support the device stably through the diagonal support at the connection with the backing plate. Cooperate with rotating the connecting rod, rotate the third bolt to fix the connecting rod, rotate the fourth bolt to install it in the groove, and form a triangular stable structure with the supporting arm. Support through the base, start the electric turntable to rotate for large-direction adjustment. When storage is needed, rotate the adjusting disk to drive the supporting arm to flip, turn the electric turntable outwards, and align the other side with the interactive projector for protection, and cooperate with the clamping mechanism for clamping, so as to improve the convenience of device storage and use and improve the working efficiency of the device.

[0027] Preferably, as an embodiment above, the clamping mechanism further includes a pin 701, a buckle 702 and a button 703. The connecting end of the pin 701 is connected to the connecting end of the backing plate 606. The buckle 702 passes through the card slot 204 and is slidably connected to the box body 1. The button 703 passes through the card slot 204 and is connected to the top end of the buckle 702. During the process of clamping the device, slide the button to drive the buckle to slide, so that it is aligned with the pin to fix the position of the backing plate, so as to improve the stability of device use and improve the working efficiency of the device.

[0028] Preferably, as an embodiment above, it further includes a handle 8. A positioning seat 9 is provided on the box body 1. The handle 8 passes through the positioning seat 9 and is rotatably connected to the box body 1. During the process of displacing the device, rotate the handle to rotate on the positioning seat, and pull it during use. When the device is unfolded, support the flipped side plate, so as to improve the convenience of device use and improve the working efficiency of the device.

[0029] Preferably, as in the above embodiments, a side door 10 is further included. A fixing seat 11 is provided on the box body 1, and the side door 10 passes through the fixing seat 11 and is rotatably connected to the box body 1. During the process of storing the device, the side door is flipped to make it hang naturally, protecting the side of the box body and improving the working efficiency of the device.

[0030] A multimedia teaching device for interactive training of the present utility model, when working, gradually unfolds the device by rotating the rotating device and the rotating support device to make it in a bracket placement style, and interactively plays images and voices through the projection device. During this process, through manual teaching, the infrared ray is followed by cooperating with the adjusting device to capture the gestures and styles of the human body, and this is used as a command input value into the projection device for interaction. The large-direction adjustment and following are carried out by cooperating with the support device, and the small-direction following is carried out by the adjusting device. After the device is used up, the device can be stored by folding the support device and the rotating mechanism, stored in the box body for displacement, and the mounting plate is installed through the first bolt. The mounting plate is an "L" - shaped plate, which can realize side - to - side, top - to - bottom installation, so as to install the projection device and the rotating mechanism. During disassembly and assembly, modularization can be achieved by disassembling and assembling the first bolt, thereby improving the disassembly and assembly convenience of the device. During this process, the power supply is controlled for energy supply, the signal is transmitted to the interactive projector through the signal sensor for projection, the driving motor is started to rotate on the mounting plate, driving the connected adjusting plate to be stored or unfolded, thereby projecting or displacing the device. During this process, the sliding telescopic rod extends the distance and angle of device capture, and is fastened through the second bolt. The infrared sensor captures the human image, thereby emitting an electrical signal to drive the servo motor to rotate, thereby driving the turntable to adjust the angle. During this process, the electric push rod is cooperated to drive the interactive capture sensor to finely adjust the head - up, so that it can better adapt to the light source. The adjusting disk is rotated to drive the connected support arm to rotate, and through the diagonal support at the connection with the backing plate, the device is stably supported. Cooperating with the rotating connecting rod, the third bolt is rotated to fix the connecting rod, and the fourth bolt is rotated to install it in the groove, forming a triangular stable structure with the support arm. It is supported by the base, and the electric turntable is started to rotate for large - direction adjustment. When storage is required, the adjusting disk is rotated to drive the support arm to flip, turn the electric turntable outwards, and the other side is aligned and protected with the interactive projector. It is clamped through the clamping mechanism. The sliding button is slid to drive the buckle to slide, so that it is aligned with the pin to fix the position of the backing plate.

[0031] The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0032] In the present utility model, the "first", "second", "third" do not represent specific quantities and sequences, but are only used for name distinction.

[0033] The above are only the preferred embodiments of the present utility model. It should be noted that for those of ordinary skill in the art, without departing from the technical principle of the present utility model, several improvements and modifications can be made, and these improvements and modifications should also be regarded as the protection scope of the present utility model.

Claims

1. A multimedia teaching device for interactive training, comprising a box (1) and teaching equipment, wherein the teaching equipment is evenly installed in the box (1); characterized in that: The teaching device further comprises a projection device, a rotating mechanism, an adjusting device, a supporting device and a clamping mechanism. The housing (1) is provided with a mounting groove (201) extending therethrough, the projection device is evenly mounted in the mounting groove (201), the projection device is provided with a machine hole (202), the rotating mechanism passes through the machine hole (202) and is rotatably connected to the projection device, the adjusting device is evenly mounted on the rotating mechanism, a mounting seat (203) is provided at the bottom end of the housing (1), the supporting device passes through the mounting seat (203) and is rotatably connected to the housing (1), the housing (1) is provided with a clamping groove (204), and the clamping mechanism passes through the clamping groove (204) and is slidably connected to the housing (1).

2. The multimedia teaching device for interactive training as claimed in claim 1, characterized in that: The projection device further comprises an interactive projector (301), a mounting plate (302), a first bolt (303), a signal sensor (304) and a control power supply (305); the mounting plate (302) and the mounting groove (201) are provided with first screw holes (306) through them; a plurality of groups of first bolts (303) respectively pass through corresponding first screw holes (306) and are threadedly connected to the mounting plate (302) and the housing (1); a connection end of the interactive projector (301) is connected to a connection end of the mounting plate (302); a visual port (307) is provided on the mounting groove (201); an output end of the interactive projector (301) is closely attached to the visual port (307); a connection end of the signal sensor (304) is connected to a connection end of the interactive projector (301); a connection end of the control power supply (305) is connected to a connection end of the mounting plate (302); and an output end of the control power supply (305) is electrically connected to an input end of the interactive projector (301).

3. The multimedia teaching device for interactive training as claimed in claim 2, characterized in that: The rotating mechanism further comprises a driving motor (401), an adjusting plate (402), a telescopic rod (403) and a second bolt (404); the connecting end of the driving motor (401) is connected to the connecting end of the mounting plate (302); the output end of the driving motor (401) passes through the machine hole (202) and is connected to the connecting end of the adjusting plate (402); an adjusting groove (405) is provided on the adjusting plate (402); the telescopic rod (403) passes through the adjusting groove (405) and is slidably connected to the adjusting plate (402); the telescopic rod (403) is matched with a second screw hole (406); the second bolt (404) passes through the second screw hole (406) and is threadedly connected to the telescopic rod (403).

4. The multimedia teaching device for interactive training as claimed in claim 3, characterized in that: The adjusting device further comprises a bracket (501), a servo motor (502), a turntable (503), an infrared sensor (504), an interactive capture sensor (505) and an electric push rod (506); the connecting end of the bracket (501) is connected to the top end of the telescopic rod (403); the connecting end of the servo motor (502) is connected to the bottom end of the bracket (501); a through hole (507) is provided on the bracket (501); the output end of the servo motor (502) passes through the through hole (507) and the connecting end of the turntable (503); The connection end of the infrared sensor (504) is connected to the connection end of the turntable (503), a capstan (508) is provided on the turntable (503), the interactive capture sensor (505) passes through the capstan (508) and is rotatably connected to the turntable (503), both the interactive capture sensor (505) and the turntable (503) are provided with reaming holes (509), and the connection end and the output end of the electric push rod (506) pass through the corresponding reaming holes (509) and are rotatably connected to the interactive capture sensor (505) and the turntable (503).

5. The multimedia teaching device for interactive training as claimed in claim 4, characterized in that: The supporting device further comprises a connecting rod (601), an adjusting disk (602), a supporting arm (603), a third bolt (604), a fourth bolt (605), a pad (606), an electric turntable (607) and a base (608); the connecting rod (601) passes through the mounting seat (203) and is rotatably connected to the box body (1); the mounting seat (203) is matched with a third screw hole (609); the third bolt (604) passes through the third screw hole (609) and is threadedly connected to the mounting seat (203); the connecting end of the adjusting disk (602) is rotatably connected to the bottom end of the box body (1); the adjusting disk (602) is provided with a connecting The support arm (603) passes through the connecting seat (611) and the adjusting disk (602) to be rotatably connected, a plurality of groups of fourth screw holes (610) are arranged on the connecting rod (601), a plurality of groups of fourth bolts (605) respectively pass through the corresponding fourth screw holes (610) and are all threadedly connected to the connecting rod (601), a groove (612) is matched with the support arm (603), the connecting end of the pad (606) and the connecting end of the support arm (603) are hinged, the output end of the electric turntable (607) is connected to the bottom end of the pad (606), and the bottom end of the electric turntable (607) is connected to the top end of the base (608).

6. The multimedia teaching device for interactive training as claimed in claim 5, characterized in that: The clamping mechanism further comprises a pin (701), a buckle (702) and a button (703); the connecting end of the pin (701) is connected to the connecting end of the pad (606); the buckle (702) passes through the clamping slot (204) and is slidably connected to the box body (1); and the button (703) passes through the clamping slot (204) and is connected to the top end of the buckle (702).

7. The multimedia teaching device for interactive training as claimed in claim 6, characterized in that: It also comprises a handle (8). A positioning seat (9) is arranged on the box body (1). The handle (8) passes through the positioning seat (9) and is rotatably connected to the box body (1).

8. The multimedia teaching device for interactive training as claimed in claim 7, characterized in that: It also comprises a side door (10). A fixing seat (11) is arranged on the box body (1). The side door (10) passes through the fixing seat (11) and is rotatably connected to the box body (1).

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