Video playing device

Abstract

The utility model discloses a video playing device, and relates to the technical field of teaching auxiliary equipment, the video playing device comprises a teaching table, the left side and the right side of the teaching table are provided with storage grooves, the storage grooves are internally provided with synchronous demonstration mechanisms, the upper surface of the teaching table is provided with a placing groove, and the placing groove is internally and rotatably provided with a teaching display screen; the synchronous demonstration mechanism comprises a movable frame, the inner side of the movable frame is fixedly connected with a fixed supporting rod, and the surface of the fixed supporting rod is rotatably connected with a demonstration screen through a damping rotating shaft. According to the utility model, the synchronous demonstration mechanism and the lifting mechanism are arranged on the two sides of the teaching platform, the two demonstration screens can be lifted to a certain height by using the lifting mechanism, and then the demonstration screens are rotated and unfolded, so that teaching personnel can conveniently play teaching videos by using the demonstration screens on the two sides while teaching demonstration is carried out, and the teaching efficiency is improved. And the teaching personnel cannot shield the teaching video, so that the teaching effect is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to teaching auxiliary equipment technical field especially, relate to a video playing device. BACKGROUND

[0002] Higher vocational education is an important part of China's education, including higher vocational education, higher vocational education, postgraduate level vocational education, is a type in the development of education, shoulders the mission of cultivating talents for economic and social construction and development; at the same time, higher vocational education is also the high level education in the vocational education system of our country;Higher vocational education develops into three levels of modern vocational education, including higher vocational education, undergraduate level vocational education and postgraduate level vocational education.

[0003] In the process of higher vocational education teaching, the display screen in the blackboard is often used to play the content of teaching video, and teaching operation is carried out on the teaching computer display screen on the surface of the podium at the same time, but because the teacher stands in front of the blackboard, it will block the teaching display screen, so that students in different positions in the classroom can watch the video, therefore, it is necessary to improve the teaching video playing device in the prior art. UTILITY MODEL CONTENT

[0004] The utility model discloses a video playing device, which aims at solving the technical problems of the prior art teaching auxiliary equipment.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A video playing device, including teaching platform, the left and right sides of teaching platform are all set up with receiving groove, the inside of receiving groove is provided with synchronous demonstration mechanism, the upper surface of teaching platform is set up with placing groove, the inside of placing groove is rotatably provided with teaching display screen;

[0007] The synchronous demonstration mechanism includes movable frame, the inner side of movable frame is fixedly connected with fixed support rod, the surface of fixed support rod is rotatably connected with demonstration screen through damping pivot, the left and right sides of teaching platform are all fixedly provided with lifting mechanism, and the lifting mechanism is used for lifting movable frame;

[0008] The lifting mechanism includes drive box fixedly connected on the side of teaching platform, the upper surface of drive box is rotatably connected with lifting lead screw, the surface of movable frame is set up with the thread hole matched with lifting lead screw, and the surface of movable frame is screw connected with lifting lead screw through thread hole.

[0009] By setting the synchronous demonstration mechanism and the lifting mechanism on both sides of the teaching platform, the two demonstration screens can be lifted to a certain height by the lifting mechanism, and then the demonstration screens are unfolded by rotating, so that the teaching personnel can play teaching videos on the two demonstration screens while teaching, and the teaching personnel will not block the teaching videos.

[0010] In a preferred scheme, the inside of the driving box is fixedly provided with a driving motor, the output shaft of the driving motor is fixedly connected with a driving gear, the bottom end of the lifting lead screw extends to the inside of the driving box and is fixedly connected with a driven gear, and the driving gear is engaged with the driven gear.

[0011] By setting the driving motor, the driving motor can drive the driving gear and the driven gear to rotate, thereby driving the lifting lead screw to rotate, and thereby driving the two demonstration screens to lift.

[0012] In a preferred scheme, the inner wall of the storage groove is fixedly connected with two pairs of limiting baffle plates, the two pairs of limiting baffle plates are symmetrically distributed on the inner wall of the storage groove, and the movable frame is slidingly arranged between the two pairs of limiting baffle plates.

[0013] By setting the limiting baffle plates, the limiting baffle plates can guide and limit the movable frame, thereby improving the stability of the movable frame during movement.

[0014] In a preferred scheme, the inner wall of the placement groove is rotatably connected with an adjusting lead screw, the surface of the adjusting lead screw is threadedly connected with an adjusting seat, the upper surface of the adjusting seat is rotatably connected with a movable connecting rod, and the end of the movable connecting rod away from the adjusting seat is rotatably connected with the lower surface of the teaching display screen.

[0015] In a preferred scheme, one end of the adjusting lead screw extends to the outside of the placement groove and is fixedly connected with an adjusting knob.

[0016] By setting the adjusting lead screw, the angle of the teaching display screen can be adjusted and positioned by the adjusting lead screw, thereby facilitating the use of teaching personnel of different heights.

[0017] In a preferred scheme, the left and right inner side walls of the placement groove are each provided with a corresponding strip-shaped sliding groove, the inner walls of the two strip-shaped sliding grooves are each slidingly connected with a limiting sliding block, two limiting sliding blocks are fixedly connected with a movable cover plate, the movable cover plate is located above the teaching display screen, and the size of the movable cover plate matches that of the teaching display screen.

[0018] By setting the placement groove on the surface of the teaching platform, the teaching display screen can be rotatably stored in the inside of the placement groove, and the teaching display screen can be shielded and protected by the movable cover plate.

[0019] In a preferred scheme, the two sides of the teaching platform are fixedly connected with a moving mounting seat, and the lower surface of the moving mounting seat is fixedly installed with a universal belt locking wheel.

[0020] By setting.

[0021] As can be seen from the above, the video playing device has the following technical effects.

[0022] Firstly, the synchronous demonstration mechanism and the lifting mechanism are arranged on the two sides of the teaching platform, the two demonstration screens can be lifted to a certain height by the lifting mechanism, and then the demonstration screens are unfolded by rotating, so that the teaching personnel can play teaching videos by using the two demonstration screens while teaching demonstration, the teaching personnel will not block the teaching videos, and the teaching effect is improved.

[0023] Secondly, the placing groove is arranged on the surface of the teaching platform, the teaching display screen can be stored in the placing groove, the teaching display screen can be shielded and protected by the movable cover plate, the angle of the teaching display screen can be adjusted and positioned by the adjusting screw, and thus the teaching personnel with different heights can use conveniently. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 The utility model provides a kind of video playing device's front view structure schematic diagram.

[0025] Figure 2 The utility model provides a kind of video playing device's rear view structure schematic diagram.

[0026] Figure 3 The utility model provides a kind of video playing device's synchronous demonstration mechanism storage state structure schematic diagram.

[0027] Figure 4 The utility model provides a kind of video playing device's drive box internal structure schematic diagram.

[0028] Figure 5 The utility model provides a kind of video playing device's teaching display screen local side cut structure schematic diagram.

[0029] In the drawing, 1, teaching platform;2, storage groove;3, synchronous demonstration mechanism;4, placing groove;5, teaching display screen;6, lifting mechanism;7, limit baffle;8, adjusting screw;9, adjusting seat;10, movable connecting rod;11, adjusting knob;12, strip slide groove;13, movable cover plate;14, universal belt lock;

[0030] movable frame;302, fixed support rod;303, demonstration screen;

[0031] 601, drive box; 602, lifting screw; 603, drive motor; 604, drive gear; 605, driven gear. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0033] Referring to Figure 1 and Figure 2 A video playing device comprises a teaching platform 1, the two sides of the teaching platform 1 are fixedly connected with movable mounting seats, the lower surfaces of the movable mounting seats are fixedly installed with universal belt locking wheels 14.

[0034] It should be noted that the teaching platform 1 is provided with receiving grooves 2 on the left and right sides, the inside of the receiving groove 2 is provided with a synchronous demonstration mechanism 3, the upper surface of the teaching platform 1 is provided with a placing groove 4, and the inside of the placing groove 4 is rotatably provided with a teaching display screen 5.

[0035] It should be further noted that the left and right inner side walls of the placing groove 4 are provided with corresponding strip-shaped sliding grooves 12, the inner walls of the two strip-shaped sliding grooves 12 are slidably connected with limiting sliding blocks, and the two limiting sliding blocks are fixedly connected with a movable cover plate 13, the movable cover plate 13 is located above the teaching display screen 5, and the size of the movable cover plate 13 is matched with the teaching display screen 5.

[0036] It is worth noting that by arranging the placing groove 4 on the surface of the teaching platform 1, the teaching display screen 5 can be rotated and stored in the inside of the placing groove 4 when not in use, and the movable cover plate 13 can be slid between the strip-shaped sliding grooves 12, so that the movable cover plate 13 can be used to shield and protect the teaching display screen 5.

[0037] Referring to Figure 5 the inner wall of the placing groove 4 is rotatably connected with an adjusting screw 8, one end of the adjusting screw 8 extends to the outside of the placing groove 4, and the adjusting screw 8 is fixedly connected with an adjusting knob 11, the surface of the adjusting screw 8 is threadedly connected with an adjusting seat 9, the upper surface of the adjusting seat 9 is rotatably connected with a movable connecting rod 10, and one end of the movable connecting rod 10 away from the adjusting seat 9 is rotatably connected with the lower surface of the teaching display screen 5.

[0038] It is worth noting that by arranging the adjusting screw 8 in the inside of the placing groove 4, the adjusting screw 8 can be rotated by rotating the adjusting knob 11, so as to drive the adjusting seat 9 to move on the surface of the adjusting screw 8, and at the same time drive the movable connecting rod 10 to drive the teaching display screen 5 to rotate in the placing groove 4, so as to adjust and position the angle of the teaching display screen 5, thereby facilitating the use of teaching personnel of different heights.

[0039] Referring toFigure 3 And Figure 4 In a preferred embodiment, the synchronous demonstration mechanism 3 comprises a movable frame 301, a fixed support rod 302 is fixedly connected to the inner side of the movable frame 301, and a demonstration screen 303 is rotatably connected to the surface of the fixed support rod 302 through a damping rotating shaft. The left and right sides of the teaching platform 1 are both fixedly provided with a lifting mechanism 6, and the lifting mechanism 6 is used for lifting the movable frame 301.

[0040] It should be noted that the inner wall of the storage groove 2 is fixedly connected with two pairs of limiting baffle plates 7, and the two pairs of limiting baffle plates 7 are symmetrically distributed on the inner wall of the storage groove 2. The movable frame 301 is slidingly arranged between the two pairs of limiting baffle plates 7.

[0041] It should be noted that the lifting mechanism 6 comprises a drive box 601 fixedly connected to the side surface of the teaching platform 1, and a lifting lead screw 602 rotatably connected to the upper surface of the drive box 601. The surface of the movable frame 301 is provided with a threaded hole matched with the lifting lead screw 602, and the movable frame 301 is threadedly connected with the surface of the lifting lead screw 602 through the threaded hole.

[0042] In a preferred embodiment, the inside of the drive box 601 is fixedly provided with a drive motor 603, the output shaft of the drive motor 603 is fixedly connected with a drive gear 604, the bottom end of the lifting lead screw 602 extends to the inside of the drive box 601, and is fixedly connected with a driven gear 605, and the drive gear 604 is engaged with the driven gear 605.

[0043] It is worth noting that by providing the synchronous demonstration mechanism 3 and the lifting mechanism 6 on both sides of the teaching platform 1, when teaching, the two demonstration screens 303 can be lifted above the teaching platform 1 by the lifting mechanism 6, and then the demonstration screens 303 can be unfolded to the two sides, so that the teaching staff can play teaching videos using the demonstration screens 303 on both sides while teaching, and the teaching staff will not block the teaching videos, improving the teaching effect.

[0044] Working principle: in use, first, rotate the adjusting knob 11 to drive the adjusting lead screw 8 to rotate, and then drive the teaching display screen 5 to rotate in the placing groove 4, and adjust the angle of the teaching display screen 5 to the appropriate position, then use the drive motor 603 to drive the drive gear 604 to rotate, and then drive the driven gear 605 and the lifting lead screw 602 to rotate, and the lifting lead screw 602 drives the movable frame 301 to move up and down inside the storage groove 2, and then the teaching display screen 5 is lifted outside the teaching platform 1, and then the teaching display screen 5 is unfolded to the two sides, so that the teaching staff can use the teaching display screen 5 to teach while playing teaching videos synchronously using the demonstration screens 303 on both sides, achieving the effect of synchronous teaching demonstration and video playing.

[0045] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto. The replacement can be a replacement of part of the structure, device, method step, or a complete technical solution. According to the technical solution and the inventive concept of the present application, equivalent replacement or change should be covered in the protection scope of the present application.

Claims

1. A video playing device comprising a teaching station (1), characterized in that, The teaching platform (1) is provided with a receiving groove (2) on the left and right sides, the inside of the receiving groove (2) is provided with a synchronous demonstration mechanism (3), the upper surface of the teaching platform (1) is provided with a placing groove (4), the inside of the placing groove (4) is rotatably provided with a teaching display screen (5); The synchronous demonstration mechanism (3) comprises a movable frame (301), the inner side of the movable frame (301) is fixedly connected with a fixed support rod (302), the surface of the fixed support rod (302) is rotatably connected with a demonstration screen (303) through a damping rotating shaft, the left and right sides of the teaching platform (1) are fixedly provided with a lifting mechanism (6), and the lifting mechanism (6) is used for lifting the movable frame (301). The lifting mechanism (6) comprises a driving box (601) fixedly connected to the side of the teaching platform (1), the upper surface of the driving box (601) is rotatably connected with a lifting lead screw (602), the surface of the movable frame (301) is provided with a threaded hole matched with the lifting lead screw (602), and the movable frame (301) is screw-connected with the surface of the lifting lead screw (602) through the threaded hole.

2. The video playback device of claim 1, wherein, The inside of the driving box (601) is fixedly provided with a driving motor (603), the output shaft of the driving motor (603) is fixedly connected with a driving gear (604), the bottom end of the lifting lead screw (602) extends to the inside of the driving box (601) and is fixedly connected with a driven gear (605), and the driving gear (604) is meshed with the driven gear (605).

3. The video playback device of claim 1, wherein, The inner wall of the receiving groove (2) is fixedly connected with two pairs of limiting baffle plates (7), the two pairs of limiting baffle plates (7) are symmetrically distributed on the inner wall of the receiving groove (2), and the movable frame (301) is slidably arranged between the two pairs of limiting baffle plates (7).

4. The video playback device of claim 1, wherein, The inner wall of the placing groove (4) is rotatably connected with an adjusting lead screw (8), the surface of the adjusting lead screw (8) is screw-connected with an adjusting seat (9), the upper surface of the adjusting seat (9) is rotatably connected with a movable connecting rod (10), and one end of the movable connecting rod (10) away from the adjusting seat (9) is rotatably connected with the lower surface of the teaching display screen (5).

5. The video playback device of claim 4, wherein, One end of the adjusting lead screw (8) extends to the outside of the placing groove (4) and is fixedly connected with an adjusting knob (11).

6. The video playback device of claim 1, wherein, The left and right inner walls of the placing groove (4) are provided with corresponding strip-shaped sliding grooves (12), the inner walls of the two strip-shaped sliding grooves (12) are slidably connected with limiting sliding blocks, the two limiting sliding blocks are fixedly connected with a movable cover plate (13), the movable cover plate (13) is located above the teaching display screen (5), and the size of the movable cover plate (13) is matched with the teaching display screen (5).

7. The video playback device of claim 1, wherein, The two sides of the teaching platform (1) are fixedly connected with a movable mounting seat, and the lower surface of the movable mounting seat is fixedly provided with a universal belt locking wheel (14).

Images