Adjustable display screen

Abstract

The utility model relates to the technical field of display screens, and discloses an adjustable display screen which comprises a fixed box, a motor is fixedly connected to the inner wall of the front side of the fixed box, a rotating rod is fixedly connected to the driving end of the motor, gears are fixedly connected to the front side and the rear side of the outer portion of the rotating rod, and the gears are fixedly connected to the front side and the rear side of the outer portion of the rotating rod. Sliding rods are slidably connected to the front side and the rear side of the interior of the fixed box, racks are fixedly connected to the right sides of the sliding rods, limiting discs are fixedly connected to the exteriors of the rotating rods, a first rotating column is rotatably connected to the inner wall of the bottom of the fixed box, and a second rotating column is rotatably connected to the top of the first rotating column; the top of the second rotating column is rotationally connected with a sliding column, and the top of the sliding column is fixedly connected with a square plate. According to the utility model, the lifting of the display screen is realized, so that students can check the content on the screen more easily, and the reading difficulty or error caused by poor sight is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of display screens, in particular to an adjustable display screen. Background Art

[0002] Display screens usually refer to devices used to display images, text or other information. They display content by converting electronic signals into visual images. There are students of all ages and heights in schools, and their visual needs are different. Adjustable display screens can adjust the screen height and angle according to the height and sitting posture of students, ensuring that every student can view the teaching content on the screen comfortably, avoiding the impact of poor vision on learning.

[0003] In the prior art, some display screens are difficult to raise and lower. Teachers usually need to display different types of content on the screen during teaching, such as text, images, videos, etc. It is difficult to adjust the height of the display screen according to the classroom layout and students' line of sight, which will limit the effect of teachers' display of content, thereby affecting the teaching effect and students' understanding ability. Therefore, in view of the above shortcomings, an adjustable display screen is proposed. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes an adjustable display screen, aiming to improve the problem in the prior art that some display screens are difficult to raise and lower, thereby affecting the teaching effect and the students' comprehension ability.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] The cam is an adjustable display screen, comprising a fixed box, wherein the front inner wall of the fixed box is fixedly connected to a motor, the driving end of the motor is fixedly connected to a rotating rod, the outer front and rear sides of the rotating rod are fixedly connected to a gear, the inner front and rear sides of the fixed box are slidably connected to a sliding rod, the right side of the sliding rod is fixedly connected to a rack, the outer side of the rotating rod is fixedly connected to a limiting disk, the bottom inner wall of the fixed box is rotatably connected to a rotating column one, the top of the rotating column one is rotatably connected to a rotating column two, the top of the rotating column two is rotatably connected to a sliding column, the top of the sliding column is fixedly connected to a square plate, the top of the square plate is fixedly connected to a fixed frame on both sides, an outer frame is provided on the left side of the two fixed frames, a display screen is fixedly connected to the inner side of the outer frame, a fixed block is fixedly connected to the left side of the display screen, a cavity is provided in the interior of the fixed block, and a telescopic component for disassembling the outer frame is provided in the interior of the cavity;

[0007] As a further description of the above technical solution:

[0008] The telescopic assembly includes a sliding frame, a square slider is fixedly connected to the top of the sliding frame, a return spring is fixedly connected to the front and rear sides of the top of the sliding frame, a fixing plate is fixedly connected to the front and rear sides of the right part of the outer frame, and grooves are provided on the front and rear sides of the fixing plate;

[0009] As a further description of the above technical solution:

[0010] The outer portion of the gear is meshed with the outer portion of the rack, and the rear side of the rotating rod is rotatably connected to the rear inner wall of the fixed box;

[0011] As a further description of the above technical solution:

[0012] The tops of the two sliding rods are fixedly connected to the bottom of the square plate;

[0013] As a further description of the above technical solution:

[0014] The outer portion of the square sliding block is slidably connected to the inner portion of the fixed block, and the outer portion of the sliding frame is slidably connected to the inner wall of the fixed block;

[0015] As a further description of the above technical solution:

[0016] The outside of the sliding frame is engaged with the inner wall of the groove, and the four corners of the bottom of the fixed box are fixedly connected with universal wheels;

[0017] As a further description of the above technical solution:

[0018] The tops of the two return springs are fixedly connected to the top inner wall of the cavity, and the bottoms of the two return springs are fixedly connected to the front and rear sides of the top of the sliding frame;

[0019] As a further description of the above technical solution:

[0020] The left side of the limiting plate contacts the right side of the second rotating column, and the left side of the limiting plate contacts the right side of the first rotating column.

[0021] The utility model has the following beneficial effects:

[0022] 1. In the utility model, after starting the motor, the motor drives the rotating rod to rotate, the rotating rod drives the gear to rotate, the gear drives the rack to move, the rack drives the sliding rod to slide, the sliding rod drives the square plate to move, the square plate drives the display screen to move, and the display screen is lifted and lowered, so that students can view the content on the screen more easily and avoid reading difficulties or errors caused by poor vision.

[0023] 2. In the utility model, by pulling the square slider, the square slider drives the sliding frame to move, and after the sliding frame drives the reset spring to be compressed, the fixed plate is inserted into the cavity, thereby realizing the disassembly or installation of the display screen, thereby reducing the maintenance cost, shortening the maintenance time, and improving the availability and reliability of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 A three-dimensional diagram of an adjustable display screen proposed by the utility model;

[0025] Figure 2 This is a schematic diagram of the internal structure of a fixed box of an adjustable display screen proposed by the utility model;

[0026] Figure 3 This is a schematic diagram of the outer frame structure of an adjustable display screen proposed by the utility model;

[0027] Figure 4 The utility model is a schematic diagram of a fixing block structure of an adjustable display screen.

[0028] Legend:

[0029] 1. Fixed box; 2. Motor; 3. Rotating rod; 4. Gear; 5. Sliding rod; 6. Rack; 7. Limiting plate; 8. Rotating column 1; 9. Rotating column 2; 10. Sliding column; 11. Square plate; 12. Fixed frame; 13. Outer frame; 14. Display screen; 15. Fixed block; 16. Cavity; 17. Sliding frame; 18. Square slider; 19. Reset spring; 20. Fixed plate; 21. Groove. DETAILED DESCRIPTION

[0030] 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.

[0031] Reference Figures 1 to 3The utility model provides an embodiment: an adjustable display screen, including a fixed box 1, a motor 2 is fixedly connected to the inner wall of the front side of the fixed box 1, a rotating rod 3 is fixedly connected to the driving end of the motor 2, the motor 2 drives the rotating rod 3 to rotate, the front and rear sides of the rotating rod 3 are fixedly connected to the gear 4, the rotating rod 3 drives the gear 4 to rotate, the front and rear sides of the interior of the fixed box 1 are slidably connected to the sliding rod 5, the right side of the sliding rod 5 is fixedly connected to the rack 6, the gear 4 drives the rack 6 to move, the rack 6 drives the sliding rod 5 to slide, the outer side of the rotating rod 3 is fixedly connected to the limit plate 7, the bottom inner wall of the fixed box 1 is rotatably connected to A rotating column 8 is provided, and the top of the rotating column 8 is rotatably connected to a rotating column 2 9, and the top of the rotating column 2 9 is rotatably connected to a sliding column 10. The top of the sliding column 10 is fixedly connected to a square plate 11, and the sliding rod 5 drives the square plate 11 to move. The front and rear sides of the top of the square plate 11 are fixedly connected to fixing frames 12, and the left sides of the two fixing frames 12 are provided with an outer frame 13, and the interior of the outer frame 13 is fixedly connected to a display screen 14, and the left side of the display screen 14 is fixedly connected to a fixing block 15, and the square plate 11 drives the outer frame 13 to move, and a cavity 16 is provided inside the fixing block 15, and a telescopic component for disassembling the outer frame 13 is provided inside the cavity 16.

[0032] Reference Figure 3 to Figure 4 The telescopic assembly includes a sliding frame 17, a square slider 18 is fixedly connected to the top of the sliding frame 17, and the square slider 18 drives the sliding frame 17 to move. The top and front and rear sides of the sliding frame 17 are fixedly connected to reset springs 19. After the sliding frame 17 drives the reset spring 19 to be compressed, the front and rear sides of the right part of the outer frame 13 are fixedly connected to fixed plates 20, and grooves 21 are opened on the front and rear sides of the interior of the fixed plate 20.

[0033] Reference Figures 2 to 4The outside of the gear 4 is meshed with the outside of the rack 6, and the gear 4 drives the rack 6 to move. The rear side of the rotating rod 3 is rotatably connected to the rear inner wall of the fixed box 1, which improves the stability of the rotating rod 3. The tops of the two sliding rods 5 are fixedly connected to the bottom of the square plate 11, thereby improving the stability of the sliding rod 5. The outside of the square slider 18 is slidably connected to the inside of the fixed block 15, and the outside of the sliding frame 17 is slidably connected to the inner wall of the fixed block 15, thereby improving the stability of the sliding frame 17. The outside of the sliding frame 17 is connected to the inner wall of the groove 21. The four corners of the bottom of the fixed box 1 are fixedly connected with universal wheels, which facilitates the movement of the entire device. The tops of the two reset springs 19 are fixedly connected to the top inner wall of the cavity 16, and the bottoms of the two reset springs 19 are fixedly connected to the front and rear sides of the top of the sliding frame 17. After the sliding frame 17 drives the reset spring 19 to be compressed, the left side of the limit plate 7 contacts the right side of the rotating column 2 9, and the left side of the limit plate 7 contacts the right side of the rotating column 1 8. The limit plate 7 prevents the rotating column 2 9 and the rotating column 1 8 from standing vertically, making it difficult to lift.

[0034] Working principle: when lifting and lowering is required, after starting the motor 2, the motor 2 drives the rotating rod 3 to rotate, and the rotating rod 3 drives the gear 4 to rotate, and the gear 4 drives the rack 6 to move, and the rack 6 drives the sliding rod 5 to slide, and the sliding rod 5 drives the square plate 11 to move, and the square plate 11 drives the outer frame 13 to move, and the outer frame 13 drives the display screen 14 to move, so that the display screen 14 is lifted and lowered, and then students can more easily view the content on the screen and avoid reading difficulties or errors caused by poor vision, and by pulling the square slider 18, the square slider 18 drives the sliding frame 17 to move, and the sliding frame 17 drives the reset spring 19 to be compressed, and then the fixed plate 20 is inserted into the cavity 16, so that the display screen 14 is disassembled or installed, thereby reducing maintenance costs, shortening maintenance time, and improving the availability and reliability of the equipment.

[0035] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An adjustable display screen, comprising a fixed box (1), characterized in that: The front inner wall of the fixed box (1) is fixedly connected to a motor (2), the driving end of the motor (2) is fixedly connected to a rotating rod (3), the front and rear sides of the outside of the rotating rod (3) are fixedly connected to gears (4), the front and rear sides of the inside of the fixed box (1) are slidably connected to sliding rods (5), the right side of the sliding rod (5) is fixedly connected to a rack (6), the outside of the rotating rod (3) is fixedly connected to a limit plate (7), the bottom inner wall of the fixed box (1) is rotatably connected to a rotating column 1 (8), the top of the rotating column 1 (8) is rotatably connected to a rotating column 2 (9), and the rotating The top of the second moving column (9) is rotatably connected to a sliding column (10), the top of the sliding column (10) is fixedly connected to a square plate (11), the top of the square plate (11) is fixedly connected to fixed frames (12) on both the front and rear sides, an outer frame (13) is arranged on the left side of the two fixed frames (12), a display screen (14) is fixedly connected inside the outer frame (13), a fixed block (15) is fixedly connected on the left side of the display screen (14), a cavity (16) is opened inside the fixed block (15), and a telescopic component for disassembling the outer frame (13) is arranged inside the cavity (16).

2. The adjustable display screen according to claim 1, characterized in that: The telescopic assembly comprises a sliding frame (17), a square slider (18) is fixedly connected to the top of the sliding frame (17), a return spring (19) is fixedly connected to the front and rear sides of the top of the sliding frame (17), a fixing plate (20) is fixedly connected to the front and rear sides of the right part of the outer frame (13), and grooves (21) are provided on the front and rear sides of the interior of the fixing plate (20).

3. The adjustable display screen according to claim 1, characterized in that: The outside of the gear (4) is meshingly connected to the outside of the rack (6), and the rear side of the rotating rod (3) is rotatably connected to the rear inner wall of the fixed box (1).

4. The adjustable display screen according to claim 1, characterized in that: The tops of the two sliding rods (5) are fixedly connected to the bottom of the square plate (11).

5. The adjustable display screen according to claim 2, characterized in that: The outside of the square sliding block (18) is slidably connected to the inside of the fixed block (15), and the outside of the sliding frame (17) is slidably connected to the inner wall of the fixed block (15).

6. The adjustable display screen according to claim 2, characterized in that: The outside of the sliding frame (17) is engaged with the inner wall of the groove (21), and the four corners of the bottom of the fixed box (1) are fixedly connected with universal wheels.

7. The adjustable display screen according to claim 2, characterized in that: The tops of the two return springs (19) are fixedly connected to the top inner wall of the cavity (16), and the bottoms of the two return springs (19) are fixedly connected to the front and rear sides of the top of the sliding frame (17).

8. The adjustable display screen according to claim 1, characterized in that: The left side of the limiting plate (7) contacts the right side of the second rotating column (9), and the left side of the limiting plate (7) contacts the right side of the first rotating column (8).

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