Liquid crystal display convenient to adjust

Abstract

The utility model relates to the technical field of liquid crystal displays, and discloses a liquid crystal display convenient to adjust, which comprises a base and a supporting column, a limiting frame is welded and fixed at the top of the base, a height adjusting device is arranged on the inner wall of the limiting frame, and a mounting plate is arranged at the top of the height adjusting device. An angle adjusting device is arranged at the top of the mounting plate, a display screen body is fixedly connected to the top of the angle adjusting device through bolts, a second motor works to drive a driving gear fixedly welded to the output shaft end of the second motor to rotate, and a transmission gear meshed with gear teeth of the driving gear is utilized to drive the display screen body to rotate. And the top of the transmission gear and the bottom of the display screen body are fixed together through a bolt, the display screen body is driven to rotate while the transmission gear rotates, the angle of the display screen body is adjusted, and the practicability of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of liquid crystal displays, in particular to a liquid crystal display which is easy to adjust. Background Art

[0002] Liquid crystal display is an active matrix liquid crystal display driven by thin film transistors. It mainly uses electric current to stimulate liquid crystal molecules to produce points, lines, and surfaces, which cooperate with the back light tubes to form the picture.

[0003] The existing easy-to-adjust liquid crystal display can refer to the Chinese utility model patent with authorization announcement number CN218939185U, which discloses an easy-to-adjust liquid crystal display, "including a main body, a support column is arranged on the rear side of the main body, an adjustment mechanism is installed between the main body and the support column, the adjustment mechanism includes a movable sleeve fixedly connected to the rear end of the main body, the lower end of the movable sleeve is fixedly connected to a handle barrel, the rear end of the movable sleeve is fixedly connected to a fixed block, the interior of the fixed block is provided with an installation chamber, the lower side of the fixed block is provided with an active opening, and the installation chamber and the inner side of the active opening are provided with a control rod. The easy-to-adjust liquid crystal display described in the utility model, by pressing the control rod, pushes the pin away from the inner side of the card slot, and then the handle barrel drives the main body to move on the support column to a suitable height and a position of a group of card slots, and then releases the control rod, two groups of springs rebound, and push the pin to position the main body, so as to facilitate height adjustment."

[0004] When the above device is in use, the control rod is pressed to push the latch away from the inner side of the slot, and then the handle tube and the movable sleeve drive the main body to move on the support column to a suitable height and the position of a set of slots, and then the control rod is released, and the two sets of springs rebound to push the latch to position the main body. However, it is not convenient to adjust the angle of the device during use, which reduces the practicality of the device. In addition, the above device is not convenient to move during use, which makes it inconvenient to adjust the position of the device. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides an easily adjustable liquid crystal display, which has the advantages of facilitating multi-angle adjustment of the display screen, improving the practicality of the device, and being movable, facilitating adjustment of the position of the device, thereby solving the problems raised in the above-mentioned background technology.

[0006] The utility model provides the following technical solution: an adjustable liquid crystal display, comprising a base and a support column, a limit frame is welded and fixed on the top of the base, a height adjustment device is arranged on the inner wall of the limit frame, a mounting plate is arranged on the top of the height adjustment device, an angle adjustment device is arranged on the top of the mounting plate, and the top of the angle adjustment device is fixedly connected to a display screen body by bolts;

[0007] The height adjustment device comprises a first motor and a lifting rod, and the first motor drives the lifting rod to move up and down to drive the display screen body to adjust the height;

[0008] The angle adjustment device comprises a second motor and a transmission gear, and when the second motor drives the transmission gear to rotate, the display screen body is driven to rotate, so as to adjust the angle of the display screen body.

[0009] As a preferred technical solution of the utility model, the base is a hollow structure, and the first motor is located on the inner wall of the base, the output shaft of the first motor is inserted into the inner wall of the base and rotatably connected to the inner wall of the base, a threaded rod is welded and fixed to the output shaft end of the first motor, and the outer edge of the threaded rod is threadedly connected to the inner wall of the lifting rod.

[0010] As a preferred technical solution of the utility model, a limiting block is welded and fixed on the outer wall of the lifting rod, and the limiting block is slidably connected to the inner wall of the limiting frame, and the top of the lifting rod is welded and fixed to the bottom of the mounting plate.

[0011] As a preferred technical solution of the utility model, the second motor is located at the bottom of the mounting plate, and the output shaft of the second motor is inserted into the inner wall of the mounting plate and rotatably connected to the inner wall of the mounting plate, a driving gear is welded and fixed to the output shaft end of the second motor, and the bottom of the driving gear is rotatably connected to the top of the mounting plate, the teeth of the driving gear and the teeth of the transmission gear are meshed with each other, and the top of the transmission gear is fixed to the bottom of the display screen body by bolts, and the bottom of the transmission gear is rotatably connected to the top of the mounting plate.

[0012] As a preferred technical solution of the utility model, a moving device is provided at the bottom of the base, and the moving device includes an electric telescopic rod, and a tooth plate is welded and fixed at the power rod end of the electric telescopic rod, the top of the tooth plate is slidably connected to the inner wall of the base, and the tooth block of the tooth plate is meshed with a driven gear, the top of the driven gear is rotatably connected to the inner wall of the base, and a screw rod is welded and fixed to the bottom of the driven gear, the outer edge of the screw rod is threadedly connected to a mounting frame, and the bottom of the mounting frame is rotatably connected to a universal wheel.

[0013] As a preferred technical solution of the utility model, a through hole is provided at the position where the bottom of the base is connected to the mounting frame, and the inner wall of the through hole is slidably connected to the mounting frame.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] 1. The liquid crystal display which is easy to adjust, operates through the second motor provided, drives the driving gear welded and fixed at the output shaft end of the second motor to rotate, utilizes the transmission gear meshing with the gear teeth of the driving gear, so that when the driving gear rotates, it drives the transmission gear to rotate, and then the top of the transmission gear is fixed to the bottom of the display screen body by bolts, and when the transmission gear rotates, it drives the display screen body to rotate, so as to adjust the angle of the display screen body and improve the practicality of the device.

[0016] 2. The LCD display which is easy to adjust works by means of an electric telescopic rod to drive the tooth plate to move. When the tooth plate moves, the driven gear meshing with the tooth block of the tooth plate is driven to rotate. The screw rod welded and fixed at the bottom of the driven gear is used to drive the screw rod to rotate when the driven gear rotates. The mounting frame connected to the threaded edge of the screw rod is then used to drive the mounting frame to rise and fall, and the universal wheel connected to the bottom of the mounting frame is driven to rise and fall. The universal wheel is moved to contact the ground, and a person pushes the device to adjust the position, thereby improving the flexibility of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the height adjustment device of the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the mobile device of the utility model;

[0020] Figure 4 For this utility model Figure 2 Schematic diagram of the structure at point A in the middle.

[0021] In the figure: 1. base; 2. support column; 3. moving device; 301. electric telescopic rod; 302. tooth plate; 303. driven gear; 304. screw rod; 305. mounting bracket; 306. universal wheel; 4. limit bracket; 5. height adjustment device; 501. first motor; 502. threaded rod; 503. lifting rod; 6. mounting plate; 7. angle adjustment device; 701. second motor; 702. driving gear; 703. transmission gear; 8. display screen body. DETAILED DESCRIPTION

[0022] 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.

[0023] See also Figure 1 - Figure 4 A liquid crystal display that is easy to adjust includes a base 1 and a supporting column 2. A limiting frame 4 is welded and fixed on the top of the base 1. A height adjustment device 5 is arranged on the inner wall of the limiting frame 4. A mounting plate 6 is arranged on the top of the height adjustment device 5. An angle adjustment device 7 is arranged on the top of the mounting plate 6. A display screen body 8 is fixedly connected to the top of the angle adjustment device 7 by bolts. The height adjustment device 5 includes a first motor 501 and a lifting rod 503. The first motor 501 drives the lifting rod 503 to lift and lower to drive the display screen body 8 to adjust its height. The angle adjustment device 7 includes a second motor 701 and a transmission gear 703. When the second motor 701 drives the transmission gear 703 to rotate, it drives the display screen body 8 to rotate, thereby adjusting the angle of the display screen body 8.

[0024] The base 1 is a hollow structure, and the first motor 501 is located on the inner wall of the base 1. The output shaft of the first motor 501 is inserted into the inner wall of the base 1 and is rotatably connected to the inner wall of the base 1. The output shaft end of the first motor 501 is welded and fixed with a threaded rod 502, and the outer edge of the threaded rod 502 is threadedly connected to the inner wall of the lifting rod 503. A limiting block is welded and fixed to the outer wall of the lifting rod 503, and the limiting block is slidably connected to the inner wall of the limiting frame 4. The top of the lifting rod 503 is welded and fixed to the bottom of the mounting plate 6. The first motor 501 is controlled to work to drive the threaded rod 502 to rotate, and drive the lifting rod 503 to rise and fall on the inner wall of the limiting frame 4, and at the same time drive the mounting plate 6, the angle adjustment device 7 and the display screen body 8 to rise and fall, so as to adjust the height of the display screen body 8, and the limiting frame 4 can limit the lifting rod 503 to prevent the lifting rod 503 from rotating with the threaded rod 502, resulting in the lifting rod 503 being unable to move straight up and down.

[0025] The second motor 701 is located at the bottom of the mounting plate 6, and the output shaft of the second motor 701 is inserted into the inner wall of the mounting plate 6 and is rotatably connected to the inner wall of the mounting plate 6. A driving gear 702 is welded and fixed to the output shaft end of the second motor 701, and the bottom of the driving gear 702 is rotatably connected to the top of the mounting plate 6. The gear teeth of the driving gear 702 are meshed with the gear teeth of the transmission gear 703, and the top of the transmission gear 703 is bolted to the bottom of the display screen body 8. The bottom of the transmission gear 703 is rotatably connected to the top of the mounting plate 6. When the second motor 701 works, the driving gear 702 welded and fixed at the output shaft end of the second motor 701 rotates, and the transmission gear 703 meshed with the gear teeth of the driving gear 702 is used to drive the transmission gear 703 to rotate when the driving gear 702 rotates. The top of the transmission gear 703 is fixed to the bottom of the display screen body 8 by bolts, and the display screen body 8 is driven to rotate while the transmission gear 703 rotates, so as to adjust the angle of the display screen body 8.

[0026] A moving device 3 is provided at the bottom of the base 1, and the moving device 3 includes an electric telescopic rod 301, and a tooth plate 302 is welded and fixed at the power rod end of the electric telescopic rod 301, the top of the tooth plate 302 is slidably connected to the inner wall of the base 1, and the tooth block of the tooth plate 302 is meshed with a driven gear 303, the top of the driven gear 303 is rotatably connected to the inner wall of the base 1, and a screw rod 304 is welded and fixed at the bottom of the driven gear 303, the outer edge of the screw rod 304 is threadedly connected to a mounting frame 305, and the bottom of the mounting frame 305 is rotatably connected to a universal wheel 306, a through hole is opened at the position where the bottom of the base 1 is connected to the mounting frame 305, and the inner wall of the through hole is slidably connected to the mounting frame 305, and the electric telescopic rod 301 is provided to work, driving the gear The plate 302 moves, and the driven gear 303 meshing with the tooth block of the tooth plate 302 is driven to rotate when the tooth plate 302 moves. The screw rod 304 welded and fixed at the bottom of the driven gear 303 is used to make the screw rod 304 rotate when the driven gear 303 rotates, and then the mounting frame 305 connected by the threaded edge of the screw rod 304 is used to drive the mounting frame 305 to rise and fall, and drive the universal wheel 306 connected to the bottom of the mounting frame 305 to rise and fall, and move the universal wheel 306 to contact the ground. The person pushes the device to adjust the position. When the device is moved to the corresponding position, the above structure is operated in reverse to retract the universal wheel 306 into the inner wall of the base 1, and the base 1 is supported by the support column 2 to maintain the stability of the device during use.

[0027] Working principle: when in use, the electric telescopic rod 301 is operated to drive the tooth plate 302 to move, and when the tooth plate 302 moves, the driven gear 303 meshing with the tooth block of the tooth plate 302 is driven to rotate, and the screw rod 304 welded and fixed at the bottom of the driven gear 303 is used to make the screw rod 304 rotate when the driven gear 303 rotates, and then the mounting frame 305 connected by the threaded outer edge of the screw rod 304 is used to drive the mounting frame 305 to rise and fall, and drive the universal wheel 306 connected to the bottom of the mounting frame 305 to rise and fall, and move the universal wheel 306 to contact the ground, and the person pushes the device to adjust the position. When the device is moved to the corresponding position, the above structure is operated in reverse to retract the universal wheel 306 into the inner wall of the base 1, and the base 1 is supported by the support column 2 to keep the device in use. Stability, then control the first motor 501 to work and drive the threaded rod 502 to rotate, and drive the lifting rod 503 to lift and lower on the inner wall of the limit frame 4, and at the same time drive the mounting plate 6, the angle adjustment device 7 and the display screen body 8 to lift and lower, so as to adjust the height of the display screen body 8. When the height of the display screen body 8 is adjusted appropriately, the second motor 701 works to drive the active gear 702 welded and fixed at the output shaft end of the second motor 701 to rotate, and utilizes the transmission gear 703 meshing with the gear teeth of the active gear 702 to drive the transmission gear 703 to rotate when the active gear 702 rotates, and then utilizes the top of the transmission gear 703 to be fixed together with the bottom of the display screen body 8 by bolts, and drives the display screen body 8 to rotate while the transmission gear 703 rotates, so as to adjust the angle of the display screen body 8.

[0028] 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 liquid crystal display that is easy to adjust, comprising a base (1) and a support column (2), characterized in that: A limiting frame (4) is welded and fixed on the top of the base (1); a height adjustment device (5) is provided on the inner wall of the limiting frame (4); a mounting plate (6) is provided on the top of the height adjustment device (5); an angle adjustment device (7) is provided on the top of the mounting plate (6); and a display screen body (8) is fixedly connected to the top of the angle adjustment device (7) by bolts; The height adjustment device (5) comprises a first motor (501) and a lifting rod (503), and the first motor (501) drives the lifting rod (503) to move up and down, thereby driving the display screen body (8) to adjust its height; The angle adjustment device (7) comprises a second motor (701) and a transmission gear (703), and when the second motor (701) drives the transmission gear (703) to rotate, the display screen body (8) is driven to rotate, thereby achieving adjustment of the angle of the display screen body (8).

2. The easily adjustable liquid crystal display according to claim 1, characterized in that: The base (1) is a hollow structure, and the first motor (501) is located on the inner wall of the base (1); the output shaft of the first motor (501) is inserted into the inner wall of the base (1) and is rotatably connected to the inner wall of the base (1); a threaded rod (502) is welded and fixed to the output shaft end of the first motor (501), and the outer edge of the threaded rod (502) is threadedly connected to the inner wall of the lifting rod (503).

3. The easily adjustable liquid crystal display according to claim 2, characterized in that: A limiting block is welded and fixed to the outer wall of the lifting rod (503), and the limiting block is slidably connected to the inner wall of the limiting frame (4), and the top of the lifting rod (503) is welded and fixed to the bottom of the mounting plate (6).

4. The easily adjustable liquid crystal display according to claim 1, characterized in that: The second motor (701) is located at the bottom of the mounting plate (6), and the output shaft of the second motor (701) is inserted into the inner wall of the mounting plate (6) and is rotatably connected to the inner wall of the mounting plate (6); a driving gear (702) is welded and fixed to the output shaft end of the second motor (701), and the bottom of the driving gear (702) is rotatably connected to the top of the mounting plate (6); the gear teeth of the driving gear (702) and the gear teeth of the transmission gear (703) are meshed with each other, and the top of the transmission gear (703) is bolted to the bottom of the display screen body (8), and the bottom of the transmission gear (703) is rotatably connected to the top of the mounting plate (6).

5. The easily adjustable liquid crystal display according to claim 1, characterized in that: A moving device (3) is provided at the bottom of the base (1), the moving device (3) comprising an electric telescopic rod (301), a toothed plate (302) being welded and fixed to the power rod end of the electric telescopic rod (301), the top of the toothed plate (302) being slidably connected to the inner wall of the base (1), the tooth block of the toothed plate (302) being meshed with a driven gear (303), the top of the driven gear (303) being rotatably connected to the inner wall of the base (1), a screw rod (304) being welded and fixed to the bottom of the driven gear (303), the outer edge of the screw rod (304) being threadedly connected to a mounting frame (305), and the bottom of the mounting frame (305) being rotatably connected to a universal wheel (306).

6. The easily adjustable liquid crystal display according to claim 5, characterized in that: A through hole is provided at a position where the bottom of the base (1) is connected to the mounting frame (305), and the inner wall of the through hole is slidably connected to the mounting frame (305).

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