Multimedia teaching device

Abstract

The utility model discloses a multimedia teaching device which comprises a box body, a computer fixing box is installed on the top of the box body, a display screen is installed on the computer fixing box, first rotating shafts are arranged on the two sides of the display screen, one end of each first rotating shaft is connected with a sliding block, and the other end of each first rotating shaft is connected with a second rotating shaft. First sliding grooves are formed in the two sides of the computer fixing box in the box body, the sliding blocks slide in the first sliding grooves, folding plates are installed on the two sides of the box body, second sliding grooves are formed in the folding plates, second rotating shafts are connected to the bottoms of the folding plates, an air cylinder is arranged in the box body, and a connecting plate is arranged at the shaft end of the air cylinder. Lug plates are installed on the two sides of the connecting plate, and third rotating shafts are arranged in the lug plates. The problem that a computer on a traditional multimedia platform table has certain limitation in angle adjustment and cannot be adjusted according to teachers of different heights and classroom environments under different light rays is solved, and a user can use the multimedia platform table more flexibly when using the multimedia platform table.

Description

Technical Field

[0001] The utility model relates to the technical field of teaching devices, in particular to a multimedia teaching device. Background Art

[0002] Multimedia teaching refers to the process of teaching, in which, according to the teaching objectives and the characteristics of the teaching objects, modern teaching media are rationally selected and used through teaching design, and organically combined with traditional teaching methods, so as to jointly participate in the whole teaching process, act on students with a variety of media information, form a reasonable teaching process structure, and achieve the optimal teaching effect.

[0003] One of the most common multimedia teaching devices in school teaching is the multimedia podium table. The multimedia podium table, also known as the electronic podium, multimedia electronic podium or central control podium, is a product that integrates the podium with computers, multimedia control systems, video stands, audio equipment, audio and video converters and other electronic products. However, the computer on the traditional multimedia podium table has certain limitations in adjusting the angle, and cannot be adjusted according to teachers of different heights and classroom environments under different lighting conditions, which has certain limitations when used. Utility Model Content

[0004] To achieve the above purpose, the utility model is implemented through the following technical solutions: a multimedia teaching device, including a box, a computer fixing box is installed on the top of the box, a display screen is installed on the computer fixing box, first rotating shafts are arranged on both sides of the display screen, one end of the first rotating shaft is connected to a slider, first slide grooves are opened inside the box on both sides of the computer fixing box, the slider slides inside the first slide groove, folding plates are installed on both sides of the box, a second slide groove is opened on the folding plate, the second rotating shaft is connected to the bottom of the folding plate, a cylinder is arranged inside the box, a connecting plate is arranged on the shaft end of the cylinder, ear plates are installed on both sides of the connecting plate, a third rotating shaft is arranged in the ear plate, a connecting block is installed on the third rotating shaft, one end of the connecting block is connected to a supporting plate, fixing rods are connected on both sides of the bottom of the computer fixing box, one end of the fixing rod is connected to a telescopic rod, a sliding bar is installed on the fixing rod, a fixing bar is connected in the middle of the sliding bar, a fixing hole is opened on the fixing rod, and the fixing bar slides in the fixing hole for fixing.

[0005] Preferably, an extension bar is provided at one end of the first slide groove, and a through opening is opened on the extension bar.

[0006] Preferably, a spring block is installed at the bottom of the folding plate, and the spring block is embedded in the through opening for fixation.

[0007] Preferably, two folding boxes are provided on the surface of the box body, and the folding plates are folded inside the folding boxes.

[0008] Preferably, the other end of the slide bar is mounted on a telescopic rod, and the slide bar slides as the angle of the display screen changes.

[0009] The utility model provides a multimedia teaching device, which has the following beneficial effects:

[0010] The slider slides in the first slide slot to slide horizontally forward and backward. After adjusting to the appropriate front-to-back distance, the first rotation axis is rotated to adjust the angle of the display screen. When the display screen is rotated, the fixed rod will expand or shrink with the angle of the display screen, and the slider will move inside the fixed hole. After finding the appropriate angle, the display screen will press down based on inertia. When pressing down, the fixed bar will be stuck in the round hole of the fixed hole to limit the position. This solves the problem that the computer on the traditional multimedia podium table has certain limitations in adjusting the angle and cannot be adjusted according to teachers of different heights and classroom environments under different light conditions, making it more flexible for users to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0012] Figure 2 This is a schematic diagram of the internal structure of the utility model from the overall rear perspective;

[0013] Figure 3 This is an enlarged schematic diagram of the structure of part A of the utility model;

[0014] Figure 4 It is an enlarged schematic diagram of the structure of part B of the utility model.

[0015] In the figure: 1. box body; 2. display screen; 3. computer fixing box; 4. first rotating axis; 5. slider; 6. first slide groove; 7. extension bar; 8. through-port; 9. folding plate; 10. second slide groove; 11. spring block; 12. second rotating axis; 13. folding box; 14. cylinder; 15. connecting plate; 16. ear plate; 17. third rotating axis; 18. connecting block; 19. support plate; 20. telescopic rod; 21. slide bar; 22. fixing rod; 23. fixing bar; 24. fixing hole. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0017] Figure 1-Figure 4The overall structure diagram of a multimedia teaching device of the utility model is shown. Figure 1-Figure 4 , including a box body 1, a computer fixing box 3 is installed on the top of the box body 1, a display screen 2 is installed on the computer fixing box 3, first rotating shafts 4 are arranged on both sides of the display screen 2, one end of the first rotating shaft 4 is connected to a slider 5, first sliding grooves 6 are opened inside the box body 1 on both sides of the computer fixing box 3, and the slider 5 slides inside the first sliding groove 6, folding plates 9 are installed on both sides of the box body 1, a second sliding groove 10 is opened on the folding plate 9, and the bottom of the folding plate 9 is connected to the second rotating shaft 12, and a cylinder 14 is arranged inside the box body 1, and the shaft end of the cylinder 14 A connecting plate 15 is provided, ear plates 16 are installed on both sides of the connecting plate 15, a third rotating shaft 17 is provided in the ear plate 16, a connecting block 18 is installed on the third rotating shaft 17, one end of the connecting block 18 is connected to a supporting plate 19, fixing rods 22 are connected to both sides of the bottom of the computer fixing box 3, one end of the fixing rod 22 is connected to a telescopic rod 20, a sliding bar 21 is installed on the fixing rod 22, a fixing bar 23 is connected in the middle of the sliding bar 21, a fixing hole 24 is opened on the fixing rod 22, and the fixing bar 23 slides in the fixing hole 24 for fixing.

[0018] An extension bar 7 is disposed at one end of the first slide groove 6 , and a through opening 8 is formed on the extension bar 7 .

[0019] A spring block 11 is installed at the bottom of the folding plate 9, and the spring block 11 is embedded in the through opening 8 for fixation.

[0020] Two folding boxes 13 are arranged on the surface of the box body 1 , and the folding plates 9 are folded in the folding boxes 13 .

[0021] The other end of the slide bar 21 is mounted on the telescopic rod 20 , and the slide bar 21 slides as the angle of the display screen 2 changes.

[0022] The angle of the display screen 2 can be adjusted by manually holding the display screen 2. According to the front-to-back distance required by each teacher, the slider 5 can be slid in the first slide groove 6 for horizontal sliding. After adjusting to the appropriate front-to-back distance, the first rotating shaft 4 is rotated to adjust the angle of the display screen 2. When the display screen 2 is rotated, the fixing rod 22 will expand or shrink with the angle of the display screen 2, and the sliding bar 21 will move inside the fixing hole 23. After finding the appropriate angle, the display screen 2 will be pressed downward based on inertia. When pressed downward, the fixing bar 23 will be stuck in the circular hole of the fixing hole 24 for limiting. If you feel that the height of the display screen is too high, The folding plate 9 is too low, and the handle on the folding plate 9 can be held to flip the folding plate 9 from the folding box 13. The spring block 11 will be stuck in the through-hole 8 on the extension plate 7 to fix it. After the fixation is completed, the second slide groove 10 is connected with the first slide groove 6, and then the cylinder 14 will drive the support plate 19 to push upward, so that the support plate 19 is in full contact with the computer fixing box 3, and the slider 5 is slid into the second slide groove 10. After it is placed at a suitable height, the cylinder 14 stops, and finally the angle of the display screen 2 is adjusted. During the adjustment, the third rotating shaft 17, the connecting block 18 and the support plate 19 rotate together with the display screen 2 so as not to lose the supporting force.

[0023] In summary, this multimedia teaching device solves the problem that the computer on the traditional multimedia podium table has certain limitations in adjustment angle and cannot be adjusted according to teachers of different heights and classroom environments under different lighting conditions, making it more flexible for users to use.

[0024] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A multimedia teaching device, comprising a box (1), characterized in that: A computer fixing box (3) is installed on the top of the box body (1), a display screen (2) is installed on the computer fixing box (3), first rotating shafts (4) are arranged on both sides of the display screen (2), one end of the first rotating shaft (4) is connected to a slider (5), first sliding grooves (6) are opened inside the box body (1) on both sides of the computer fixing box (3), the slider (5) slides inside the first sliding grooves (6), folding plates (9) are installed on both sides of the box body (1), a second sliding groove (10) is opened on the folding plate (9), the bottom of the folding plate (9) is connected to the second rotating shaft (12), a cylinder (14) is arranged inside the box body (1), and the shaft end of the cylinder (14) is provided with a A connecting plate (15) is arranged, ear plates (16) are arranged on both sides of the connecting plate (15), a third rotating shaft (17) is arranged in the ear plate (16), a connecting block (18) is arranged on the third rotating shaft (17), one end of the connecting block (18) is connected to a supporting plate (19), fixing rods (22) are connected on both sides of the bottom of the computer fixing box (3), one end of the fixing rod (22) is connected to a telescopic rod (20), a sliding bar (21) is arranged on the fixing rod (22), a fixing bar (23) is connected in the middle of the sliding bar (21), a fixing hole (24) is opened on the fixing rod (22), and the fixing bar (23) slides in the fixing hole (24) for fixing.

2. A multimedia teaching device according to claim 1, characterized in that: An extension bar (7) is provided at one end of the first sliding groove (6), and a through opening (8) is provided on the extension bar (7).

3. A multimedia teaching device according to claim 1, characterized in that: A spring block (11) is installed at the bottom of the folding plate (9), and the spring block (11) is embedded in the through opening (8) for fixation.

4. A multimedia teaching device according to claim 1, characterized in that: Two folding boxes (13) are arranged on the surface of the box body (1), and the folding plate (9) is folded inside the folding box (13).

5. A multimedia teaching device according to claim 1, characterized in that: The other end of the slide bar (21) is mounted on the telescopic rod (20), and the slide bar (21) slides as the angle of the display screen (2) changes.

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