Multimedia display screen for digital teaching

Abstract

The utility model discloses a multimedia display screen for digital teaching, which relates to the technical field of multimedia display screens, and comprises a mounting plate, a protection mechanism and a control mechanism, and the top of the mounting plate is rotatably connected with a gear disc; the two-way threaded rod drives the two connecting frames and the two protective shells to slide on the outer wall of the display screen and move in the direction away from the center of the display screen, then the two protective shells break away from shielding protection on the display screen, and then the two telescopic rods are started; the two telescopic rods drive the mounting shell and the two-way threaded rod to move and drive the two connecting frames and the two protective shells to move backwards, so that the display screen is completely exposed, then the display screen is used, reverse operation is conducted according to the content after use is completed, the two protective shells are reset, the display screen is shielded and protected again, and the display screen is protected. By means of the operation, the display screen is shielded and protected, the surface of the display screen is not prone to being collided and damaged by hard objects, and the display state is normal.

Description

Technical Field

[0001] The utility model belongs to the technical field of multimedia display screens, in particular to a multimedia display screen for digital teaching. Background Art

[0002] The application publication number of the related technology CN214152032U discloses a lifting multimedia teaching display screen, which fixes the fixing plate to the wall by bolts to fix the guide rail, installs the protective cover, and then installs the second U-shaped frame at the rear end of the display screen body. Finally, the first U-shaped frame and the second U-shaped frame are connected and fixed by bolts, and the motor is started. The second U-shaped frame is driven to slide up and down along the guide rod by the rotation of the conveyor belt to achieve height adjustment of the display screen body. In this way, the display screen body can be adaptively adjusted according to different classrooms, different students and number of people, which increases the convenience of use and improves the viewing comfort of students.

[0003] This device has the effect of adjusting the display screen, but it cannot protect the display screen when the device is in use. The surface of the display screen is easily scratched or damaged by scratches and impacts. By using a protective film or screen protection case, these situations can be effectively prevented from happening and the display screen can be kept intact. If the display screen cannot be protected, the surface of the display screen is easily damaged by hard objects, resulting in the display screen not being able to display normally. Utility Model Content

[0004] The utility model aims to provide a protection mechanism, which solves the problem that the display screen cannot be protected and the surface of the display screen is easily damaged by hard objects, resulting in the display screen being unable to display normally.

[0005] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0006] The utility model discloses a multimedia display screen for digital teaching, comprising a mounting plate, the top of the mounting plate is rotatably connected to a gear plate, and also comprises a protective mechanism, the protective mechanism comprises a support rod fixedly connected to the left and right sides of the top of the gear plate, the outer wall of the support rod is sleeved and slidably connected with a moving block, the front end of the moving block is fixedly connected with the display screen, the left and right sides of the rear end of the moving block are fixedly connected with a telescopic rod, the output end of the telescopic rod is fixedly connected with a mounting shell, the left inner wall of the mounting shell is sleeved and threadedly connected with a bidirectional threaded rod, the top of the outer wall of the mounting shell is fixedly connected with a first motor, the output end of the first motor is fixedly connected with a rotating rod, the right outer wall of the rotating rod and the right side of the outer wall of the bidirectional threaded rod are both transmission-connected with a conveyor belt, the left and right sides of the outer wall of the bidirectional threaded rod are sleeved and threadedly connected with a connecting frame, the front end of the connecting frame is fixedly connected with a protective shell, and the top and bottom of the outer wall of the display screen are slidably connected with the top and bottom of the inner wall of the protective shell.

[0007] Furthermore, an adjustment mechanism is provided on the top of the gear plate, and the adjustment mechanism includes a second motor fixedly connected to the top of the gear plate.

[0008] Furthermore, a threaded column is fixedly connected to the output end of the second motor, and the top outer wall of the threaded column is sleeved and threadedly connected to the inner wall of the moving block.

[0009] Furthermore, the top ends of the support rod and the threaded column are fixedly connected to a top plate, and the four bottom corners of the mounting plate are fixedly connected to a connecting shell.

[0010] Furthermore, a pulley is rotatably connected to the inner wall of the connecting shell, and a supporting shell is fixedly connected to the right side of the top of the mounting plate.

[0011] Furthermore, a third motor is sleeved on and fixedly connected to the top inner wall of the support shell, and a rotating rod is fixedly connected to the output end of the third motor.

[0012] Furthermore, a gear is sleeved and fixedly connected to the bottom of the outer wall of the rotating rod, and the outer wall of the gear is meshingly connected to the inner wall of the gear plate.

[0013] The utility model has the following beneficial effects:

[0014] 1. The utility model is a multimedia display screen for digital teaching. First, the first motor is started, and the first motor drives the rotating rod to rotate, and the rotating rod drives the conveyor belt and the bidirectional threaded rod to rotate, and then the bidirectional threaded rod drives two connecting frames and two protective shells to slide on the outer wall of the display screen and move away from the center thereof, and then the two protective shells are separated from the shielding protection of the display screen, and then the two telescopic rods are started, and the two telescopic rods drive the installation shell and the bidirectional threaded rod to move and move backward with the two connecting frames and the two protective shells, so that the display screen is completely exposed, and then the display screen is used. After use, the above contents are reversed to reset the two protective shells and shield the display screen again. The shielding protection of the display screen is realized through the above operations, so that its surface is not easily damaged by collision with hard objects, and the display state is normal.

[0015] 2. The utility model provides a multimedia display screen for digital teaching. First, the third motor is started to rotate, and the third motor drives the rotating rod and the gear to rotate. The gear drives the gear plate, the support rod, the moving block and the display screen to rotate. The display screen can be adjusted to the left and right angles by starting the third motor forward and reversely. Then, the second motor is started, and the second motor drives the threaded column to rotate. The threaded column drives the moving block and the display screen to slide upward on the outer walls of the two support rods. The display screen can be adjusted in height by starting the second motor forward and reversely. Through the above operations, teachers can quickly adjust the required angle and height of the display screen, so that students can more easily see the content on the screen, thereby improving the teaching quality.

[0016] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0018] Figure 1 This is a schematic diagram of the structure of a multimedia display screen for digital teaching in the utility model;

[0019] Figure 2 for Figure 1 A schematic diagram of a partial cross-section of a front view;

[0020] Figure 3 This is a schematic diagram of the structure of the protection mechanism of the utility model;

[0021] Figure 4 This is a schematic diagram of the structure of the adjustment mechanism of the utility model;

[0022] Figure 5 For this utility model Figure 4 Schematic diagram of the enlarged structure at point A in the middle.

[0023] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0024] 1. Mounting plate; 11. Gear plate; 2. Protective mechanism; 21. Support rod; 22. Moving block; 23. Display screen; 24. Telescopic rod; 25. Mounting shell; 26. Bidirectional threaded rod; 27. First motor; 28. Rotating rod; 29. ​​Conveyor belt; 291. Connecting frame; 292. Protective shell; 3. Adjusting mechanism; 31. Second motor; 32. Threaded column; 33. Top plate; 34. Connecting shell; 35. Pulley; 36. Support shell; 37. Third motor; 38. Rotating rod; 39. Gear. DETAILED DESCRIPTION

[0025] 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 of 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.

[0026] See also Figure 1-5 As shown, the utility model is a multimedia display screen for digital teaching, comprising a mounting plate 1, the top of which is rotatably connected to a gear plate 11, and further comprising;

[0027] The protective mechanism 2 includes a support rod 21 fixedly connected to the left and right sides of the top of the gear plate 11, a moving block 22 is sleeved on the outer wall of the support rod 21 and slidably connected, a display screen 23 is fixedly connected to the front end of the moving block 22, a telescopic rod 24 is fixedly connected to the left and right sides of the rear end of the moving block 22, a mounting shell 25 is fixedly connected to the output end of the telescopic rod 24, a bidirectional threaded rod 26 is sleeved on the left inner wall of the mounting shell 25 and threadedly connected, a first motor 27 is fixedly connected to the top of the outer wall of the mounting shell 25, a rotating rod 28 is fixedly connected to the output end of the first motor 27, a conveyor belt 29 is transmission-connected to the right outer wall of the rotating rod 28 and the right side of the outer wall of the bidirectional threaded rod 26, a connecting frame 291 is sleeved on the left and right sides of the outer wall of the bidirectional threaded rod 26 and threadedly connected, a protective shell 292 is fixedly connected to the front end of the connecting frame 291, the top and bottom of the outer wall of the display screen 23 are connected to the top and bottom of the inner wall of the protective shell 292 The bottom sliding connection, first start the first motor 27, the first motor 27 drives the rotating rod 28 to rotate, the rotating rod 28 drives the conveyor belt 29 and the two-way threaded rod 26 to rotate, and then the two-way threaded rod 26 drives the two connecting frames 291 and the two protective shells 292 to slide on the outer wall of the display screen 23 and move away from its center, and then the two protective shells 292 are separated from the shielding protection of the display screen 23, then start the two telescopic rods 24, the two telescopic rods 24 drive the mounting shell 25 and the two-way threaded rod 26 to move and move backwards with the two connecting frames 291 and the two protective shells 292, so that the display screen 23 is completely exposed, and then the display screen 23 is used. After use, the above-mentioned reverse operation is performed to reset the two protective shells 292 and re-shield the display screen 23. The above operation realizes the shielding protection of the display screen 23, so that its surface is not easily damaged by collision with hard objects, and the display state is normal.

[0028] An adjusting mechanism 3 is disposed on the top of the gear plate 11 . The adjusting mechanism 3 includes a second motor 31 fixedly connected to the top of the gear plate 11 . When the second motor 31 is started, the second motor 31 drives the threaded column 32 to rotate.

[0029] The output end of the second motor 31 is fixedly connected with a threaded column 32 , the top outer wall of the threaded column 32 is sleeved and threadedly connected with the inner wall of the moving block 22 , and the threaded column 32 drives the moving block 22 and the display screen 23 to slide upward on the outer walls of the two support rods 21 .

[0030] The top ends of the support rods 21 and the threaded columns 32 are fixedly connected with a top plate 33, and the four bottom corners of the mounting plate 1 are fixedly connected with a connecting shell 34. The second motor 31 drives the threaded column 32 to rotate, and the threaded column 32 drives the moving block 22 and the display screen 23 to slide upward on the outer walls of the two support rods 21. The height of the display screen 23 can be adjusted by starting the second motor 31 forward and reversely.

[0031] The inner wall of the connecting shell 34 is rotatably connected to a pulley 35, and the top right side of the mounting plate 1 is fixedly connected to a supporting shell 36, which pushes the supporting rod 21 and the connecting shell 34 to cooperate with the pulley 35 so that the device can be moved.

[0032] A third motor 37 is sleeved on and fixedly connected to the top inner wall of the support shell 36, and a rotating rod 38 is fixedly connected to the output end of the third motor 37. The third motor 37 is first started to rotate, and the third motor 37 drives the rotating rod 38 and the gear 39 to rotate, and the gear 39 drives the gear plate 11, the support rod 21, the moving block 22 and the display screen 23 to rotate.

[0033] A gear 39 is sleeved and fixedly connected to the bottom of the outer wall of the rotating rod 38, and the outer wall of the gear 39 is meshed with the inner wall of the gear plate 11. The gear 39 drives the gear plate 11, the support rod 21, the moving block 22 and the display screen 23 to rotate. The display screen 23 can be adjusted to the left and right angles by starting the third motor 37 forward and reversely, and then the second motor 31 is started. The second motor 31 drives the threaded column 32 to rotate, and the threaded column 32 drives the moving block 22 and the display screen 23 to slide upward on the outer walls of the two support rods 21. The display screen 23 can be adjusted in height by starting the second motor 31 forward and reversely. Through the above operations, teachers can quickly adjust the required angle and height of the display screen 23, so that students can more easily see the content on the screen, thereby improving the teaching quality.

[0034] A specific application of this embodiment is: when using the device, first start the first motor 27, the first motor 27 drives the rotating rod 28 to rotate, the rotating rod 28 drives the conveyor belt 29 and the bidirectional threaded rod 26 to rotate, and then the bidirectional threaded rod 26 drives the two connecting frames 291 and the two protective shells 292 to slide on the outer wall of the display screen 23 and move away from its center, and then the two protective shells 292 are separated from the shielding protection of the display screen 23, then start the two telescopic rods 24, the two telescopic rods 24 drive the mounting shell 25 and the bidirectional threaded rod 26 to move and move backwards with the two connecting frames 291 and the two protective shells 292, so that the display screen 23 is completely exposed, and then the display screen 23 is used. After use, the reverse operation is performed according to the above content to reset the two protective shells 292 and re-shield the display screen 23. The shielding protection of the display screen 23 is achieved through the above operation, so that its surface is not easily damaged by collision with hard objects, and the display state is normal.

[0035] When using the device, first start the third motor 37 to rotate, the third motor 37 drives the rotating rod 38 and the gear 39 to rotate, the gear 39 drives the gear plate 11 and the support rod 21 and the moving block 22 and the display screen 23 to rotate, and the display screen 23 can be adjusted to the left and right angles by starting the third motor 37 forward and reversely, and then start the second motor 31, the second motor 31 drives the threaded column 32 to rotate, the threaded column 32 drives the moving block 22 and the display screen 23 to slide upward on the outer walls of the two support rods 21, and the display screen 23 can be adjusted in height by starting the second motor 31 forward and reversely. Through the above operations, teachers can quickly adjust the required angle and height of the display screen 23, so that students can more easily see the content on the screen, thereby improving the teaching quality.

[0036] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0037] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A multimedia display screen for digital teaching, comprising a mounting plate (1), the top of which is rotatably connected to a gear plate (11), characterized in that: Also includes; The protective mechanism (2) comprises a support rod (21) fixedly connected to the left and right sides of the top of the gear plate (11); a moving block (22) is sleeved on the outer wall of the support rod (21) and slidably connected; a display screen (23) is fixedly connected to the front end of the moving block (22); a telescopic rod (24) is fixedly connected to the left and right sides of the rear end of the moving block (22); an installation shell (25) is fixedly connected to the output end of the telescopic rod (24); a bidirectional threaded rod (26) is sleeved on the left inner wall of the installation shell (25) and threadedly connected; the installation shell A first motor (27) is fixedly connected to the top of the outer wall of the display screen (25); a rotating rod (28) is fixedly connected to the output end of the first motor (27); a conveyor belt (29) is transmission-connected to the right outer wall of the rotating rod (28) and the right outer wall of the bidirectional threaded rod (26); a connecting frame (291) is sleeved on the left and right outer walls of the bidirectional threaded rod (26) and threadedly connected; a protective shell (292) is fixedly connected to the front end of the connecting frame (291); and the top and bottom of the outer wall of the display screen (23) are slidably connected to the top and bottom of the inner wall of the protective shell (292).

2. A multimedia display screen for digital teaching according to claim 1, characterized in that: An adjustment mechanism (3) is provided on the top of the gear plate (11), and the adjustment mechanism (3) comprises a second motor (31) fixedly connected to the top of the gear plate (11).

3. A multimedia display screen for digital teaching according to claim 2, characterized in that: The output end of the second motor (31) is fixedly connected to a threaded column (32), and the top outer wall of the threaded column (32) is sleeved and threadedly connected to the inner wall of the moving block (22).

4. A multimedia display screen for digital teaching according to claim 3, characterized in that: The top ends of the support rod (21) and the threaded column (32) are fixedly connected to a top plate (33), and the four bottom corners of the mounting plate (1) are fixedly connected to a connecting shell (34).

5. A multimedia display screen for digital teaching according to claim 4, characterized in that: The inner wall of the connecting shell (34) is rotatably connected to a pulley (35), and the top right side of the mounting plate (1) is fixedly connected to a supporting shell (36).

6. A multimedia display screen for digital teaching according to claim 5, characterized in that: A third motor (37) is sleeved on and fixedly connected to the top inner wall of the support shell (36), and a rotating rod (38) is fixedly connected to the output end of the third motor (37).

7. A multimedia display screen for digital teaching according to claim 6, characterized in that: A gear (39) is sleeved and fixedly connected to the bottom of the outer wall of the rotating rod (38), and the outer wall of the gear (39) is meshingly connected to the inner wall of the gear plate (11).

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