Multi-view liquid crystal display screen

Abstract

The utility model relates to the technical field of display screens, in particular to a multi-view liquid crystal display screen which comprises a liquid crystal display screen body, a pitching angle adjusting mechanism is arranged on the back face of the liquid crystal display screen body, and the pitching angle of the liquid crystal display screen body can be adjusted through the pitching angle adjusting mechanism. The pitching angle adjusting mechanism comprises a first connecting plate, a connecting clamping frame, a connecting shaft, an adjusting worm gear, a second connecting plate, an adjusting clamping frame and an adjusting worm, the first connecting plate is fixedly installed on the back face of the liquid crystal display screen, and the adjusting worm gear is arranged on the first connecting plate. According to the multi-view-angle liquid crystal display screen, the transmission rod drives the adjusting worm and the adjusting worm gear to rotate so as to drive the connecting shaft, the connecting clamping frame and the first connecting plate to rotate, and therefore the liquid crystal display screen can be driven to rotate around the axis direction of the connecting shaft, and the elevation angle and depression angle of the liquid crystal display screen can be adjusted; and the user can watch conveniently.

Description

Technical Field

[0001] The utility model relates to the technical field of display screens, in particular to a multi-viewing angle liquid crystal display screen. Background Art

[0002] Liquid crystal display, also known as LCD in English, is a type of flat panel display used for TV and computer screen display. The advantages of this display are low power consumption, small size and low radiation. The liquid crystal display uses a liquid crystal solution in two polarized materials, so that when current passes through the liquid, the crystals are rearranged to achieve the purpose of imaging. In order to facilitate multi-angle display when using the liquid crystal display, it is usually equipped with an adjustment mechanism.

[0003] After checking the public (announcement) number: CN220727759U discloses a multi-viewing liquid crystal display screen, which discloses a bottom plate, the top of the bottom plate is rotatably connected with a fixed column, one side of the fixed column is provided with a slide groove, the inside of the slide groove is rotatably connected with a threaded rod, the outer side of the threaded rod is threadedly connected with a slider, the slider is slidably connected with the inner wall of the slide groove, one side of the fixed column and located above the slide groove is rotatably connected with a display screen, one side of the slider is fixedly connected with a moving rod, the end of the moving rod away from the slider is fixedly installed with a pulley, and the pulley is in conflict with one side of the display screen. In the utility model, the rotating fixed column can drive the display screen to rotate, so that the direction of the display screen can be adjusted, and the threaded rod is rotated. During the rotation of the threaded rod, the slider can be moved up and down, and during the movement of the slider, the moving rod can be driven to move, so that the pulley can slide on the back of the display screen, so that the angle of the display screen can be adjusted, so that it is convenient for people to watch, and at the same time saves production costs, so as to facilitate actual use and production.

[0004] The elevation angle of the display screen can be adjusted by using structures such as a slide groove, a threaded rod, a slider, and a moving rod. However, it can only adjust a single side of the display screen, and cannot adjust the height and direction of the display screen. There are still certain limitations in its use. In addition, it is limited by the moving rod itself, resulting in the display screen only being able to adjust the elevation angle, but not the depression angle. Therefore, we propose a multi-viewing angle liquid crystal display screen to solve the above problems. Utility Model Content

[0005] The utility model aims to solve the shortcomings in the prior art and proposes a multi-viewing angle liquid crystal display screen.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a multi-viewing angle liquid crystal display screen, comprising a liquid crystal display screen, a pitch adjustment mechanism is arranged on the back of the liquid crystal display screen, and the pitch adjustment mechanism can adjust the pitch angle of the liquid crystal display screen, the pitch adjustment mechanism comprises a connecting plate 1, a connecting bracket, a connecting shaft, an adjusting worm gear, a connecting plate 2, an adjusting bracket, and an adjusting worm, the connecting plate 1 is fixedly mounted on the back of the liquid crystal display screen, the adjusting worm gear is arranged on the connecting plate 1, the adjusting bracket is fixedly mounted on the connecting plate 2, the adjusting worm is movably mounted inside the adjusting bracket, a horizontal orientation adjustment mechanism is arranged on the side of the pitch adjustment mechanism away from the liquid crystal display screen, the liquid crystal display screen can adjust the horizontal orientation through the horizontal orientation adjustment mechanism, a height adjustment mechanism is arranged on the side of the horizontal orientation adjustment mechanism away from the pitch adjustment mechanism, and the height adjustment mechanism can adjust the height of the liquid crystal display screen, the height adjustment mechanism comprises a mounting back plate, an adjusting slide, and an adjusting screw, and the adjusting slide and the adjusting screw are both movably mounted on the mounting back plate.

[0007] As a further description of the above technical solution: the connecting card bracket is fixedly installed on the connecting plate one, and a connecting shaft is fixedly sleeved on the connecting card bracket, and the adjusting worm gear is fixedly sleeved on the outside of the connecting shaft. The connecting card bracket and the adjusting card bracket are hingedly connected through the connecting shaft, and the adjusting worm gear and the adjusting worm gear are driven to rotate by the transmission rod, which can drive the connecting card bracket and the connecting plate one to rotate around the axis of the connecting shaft to achieve the adjustment of the pitch angle of the LCD screen.

[0008] As a further description of the above technical solution: the adjusting worm is located on one side of the adjusting worm wheel, and the outer edge of the adjusting worm is meshed with the adjusting worm wheel, the bottom end of the adjusting worm is fixedly connected with a transmission rod, and there is a self-locking effect between the adjusting worm and the adjusting worm wheel, and the adjusting worm wheel can only be driven to rotate by the adjusting worm, thereby ensuring the stability of the position of the LCD screen after adjustment.

[0009] As a further description of the above technical solution: the horizontal direction adjustment mechanism includes a connecting plate three, a clamping sleeve, and a damping bearing. The connecting plate three is fixedly installed on the connecting plate two by bolts. The clamping sleeve is fixedly installed on the side of the connecting plate three away from the connecting plate two. The connecting plate three is mounted on the height adjustment mechanism through the clamping sleeve and the damping bearing. By turning the LCD screen to rotate around the axis of the damping bearing, the horizontal direction of the LCD screen can be adjusted to facilitate viewing by users.

[0010] As a further description of the above technical solution: a bracket that cooperates with the damping bearing is fixedly installed on the adjustment slide, and the damping bearing is nested on the bracket, and the snap-on sleeve is sleeved on the outside of the damping bearing. By setting the damping bearing to adjust the horizontal orientation of the LCD screen, the LCD screen has a damping effect when it is adjusted horizontally, and at the same time reduces the friction during adjustment.

[0011] As a further description of the above technical solution: the height adjustment mechanism also includes a guide rail and a guide sleeve. The guide rail is fixedly installed on the mounting back plate. A guide sleeve that cooperates with the guide rail is fixedly installed on one side of the adjustment slide. The adjustment slide is movably installed on the mounting back plate through the guide rail and the guide sleeve. The guide rail and the guide sleeve cooperate to limit the adjustment slide to ensure that the adjustment slide is stably installed on the mounting back plate, thereby ensuring that the adjustment slide can drive the LCD screen to move up and down stably.

[0012] As a further description of the above technical solution: the number of the guide rails is two groups, and the two groups of guide rails are mirror-distributed on both sides of the adjusting screw, the adjusting screw is threadedly connected to the adjusting slide, and the two groups of guide rails cooperate to stably restrict the adjusting slide, thereby reducing the probability of failure when adjusting the height of the LCD screen.

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

[0014] The multi-viewing angle liquid crystal display screen designed by the utility model drives the adjusting worm and the adjusting worm wheel to rotate through the transmission rod, thereby driving the connecting shaft, the connecting bracket and the connecting plate to rotate, thereby driving the liquid crystal display screen to rotate around the axis direction of the connecting shaft, thereby realizing the adjustment of the elevation angle and the depression angle of the liquid crystal display screen, which is convenient for users to watch. At the same time, there is a self-locking effect between the adjusting worm and the adjusting worm wheel, and the adjusting worm wheel can only be driven to rotate by the adjusting worm, thereby ensuring the stability of the liquid crystal display screen after adjustment.

[0015] The multi-viewing angle liquid crystal display screen designed by the utility model has a connecting plate three-way clamping sleeve and a damping bearing sleeve mounted on the height adjustment mechanism. The liquid crystal display screen is rotated around the axis of the damping bearing to adjust the horizontal direction of the liquid crystal display screen. At the same time, the adjusting screw is rotated to drive the adjusting slide to move upward and downward, so that the height of the liquid crystal display screen can be adjusted, thereby further increasing the adjustment freedom of the liquid crystal display screen and facilitating viewing by users. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model after overall assembly;

[0017] Figure 2 It is a structural schematic diagram of the adjustment mechanism of the utility model;

[0018] Figure 3 It is a structural schematic diagram of the pitch angle adjustment mechanism of the utility model;

[0019] Figure 4 It is a structural schematic diagram of the orientation adjustment mechanism of the utility model;

[0020] Figure 5 It is a structural schematic diagram of the height adjustment mechanism of the utility model.

[0021] Legend:

[0022] 1. LCD screen; 2. Pitch adjustment mechanism; 21. Connecting plate 1; 22. Connecting bracket; 23. Connecting shaft; 24. Adjusting worm gear; 25. Connecting plate 2; 26. Adjusting bracket; 27. Adjusting worm; 28. Transmission rod; 3. Horizontal direction adjustment mechanism; 31. Connecting plate 3; 32. Snap-on sleeve; 33. Damping bearing; 4. Height adjustment mechanism; 41. Mounting back plate; 42. Guide rail; 43. Adjusting slide; 44. Guide sleeve; 45. Adjusting screw. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0024] Please refer to Figure 1-5The utility model provides a technical solution: a multi-viewing angle liquid crystal display screen, comprising a liquid crystal display screen 1, a pitch adjustment mechanism 2 is arranged on the back of the liquid crystal display screen 1, and the pitch adjustment mechanism 2 can adjust the pitch angle of the liquid crystal display screen 1, the pitch adjustment mechanism 2 comprises a connecting plate 1 21, a connecting bracket 22, a connecting shaft 23, an adjusting worm gear 24, a connecting plate 25, an adjusting bracket 26, and an adjusting worm 27, the connecting plate 1 21 is fixedly installed on the back of the liquid crystal display screen 1, the adjusting worm gear 24 is arranged on the connecting plate 1 21, the adjusting bracket 26 is fixedly installed on the connecting plate 25, and the adjusting worm 27 is movably installed inside the adjusting bracket 26, the adjusting worm gear 24 is driven to rotate by the adjusting worm 27, and then the connecting shaft 23, the connecting bracket 22 and the connecting plate 1 21 are driven to rotate, and the liquid crystal display screen 1 can be driven to rotate around the axis direction of the connecting shaft 23, so as to realize the elevation and pitch angle adjustment of the liquid crystal display screen 1. The side of the pitch angle adjustment mechanism 2 away from the liquid crystal display screen 1 is provided with a horizontal orientation adjustment mechanism 3, and the liquid crystal display screen 1 can adjust its horizontal orientation through the horizontal orientation adjustment mechanism 3. The connecting plate 3 31 is mounted on the height adjustment mechanism 4 through the clamping sleeve 32 and the damping bearing 33. The liquid crystal display screen 1 is turned to rotate around the axis of the damping bearing 33, so as to achieve the adjustment of the horizontal orientation of the liquid crystal display screen 1. The side of the horizontal orientation adjustment mechanism 3 away from the pitch angle adjustment mechanism 2 is provided with a height adjustment mechanism 4, and the height adjustment mechanism 4 can adjust the height of the liquid crystal display screen 1. The height adjustment mechanism 4 includes a mounting back plate 41, an adjusting slide 43, and an adjusting screw 45. The adjusting slide 43 and the adjusting screw 45 are both movably mounted on the mounting back plate 41. Rotating the adjusting screw 45 drives the adjusting slide 43 to move upward and downward, so as to adjust the height of the liquid crystal display screen 1, thereby increasing the degree of freedom of adjustment of the liquid crystal display screen 1.

[0025] As a further implementation scheme of the above technical scheme: the connecting bracket 22 is fixedly installed on the connecting plate 21, and the connecting bracket 22 is fixedly sleeved with a connecting shaft 23, the adjusting worm gear 24 is fixedly sleeved on the outside of the connecting shaft 23, the adjusting worm gear 24 and the connecting bracket 22 and the connecting plate 21 are fixedly connected, when the adjusting worm 27 rotates to adjust the adjusting worm gear 24, the pitch angle of the liquid crystal display screen 1 can be adjusted, the connecting bracket 22 and the adjusting bracket 26 are hingedly connected through the connecting shaft 23, the connecting plate 21 and the connecting bracket 22 can rotate on the adjusting bracket 26 around the axis direction of the connecting shaft 23 to adjust the pitch angle of the liquid crystal display screen 1,

[0026] As a further implementation scheme of the above technical scheme: the adjusting worm 27 is located on one side of the adjusting worm wheel 24, and the outer edge of the adjusting worm 27 is meshed with the adjusting worm wheel 24, and the bottom end of the adjusting worm 27 is fixedly connected with a transmission rod 28. There is a self-locking effect between the adjusting worm 27 and the adjusting worm wheel 24, and the adjusting worm wheel 24 can only be driven to rotate by the adjusting worm 27, thereby ensuring the stability of the LCD screen 1 after adjustment.

[0027] As a further implementation scheme of the above technical scheme: the horizontal direction adjustment mechanism 3 includes a connecting plate three 31, a clamping sleeve 32, and a damping bearing 33. The connecting plate three 31 is fixedly installed on the connecting plate two 25 by bolts. The clamping sleeve 32 is fixedly installed on the side of the connecting plate three 31 away from the connecting plate two 25. The connecting plate three 31 is mounted on the height adjustment mechanism 4 through the clamping sleeve 32 and the damping bearing 33. The LCD screen 1 is rotated around the axis of the damping bearing 33 to achieve the adjustment of the horizontal direction of the LCD screen 1.

[0028] As a further implementation scheme of the above technical scheme: a bracket that cooperates with the damping bearing 33 is fixedly installed on the adjustment slide 43, and the damping bearing 33 is nested on the bracket, and the clamping sleeve 32 is sleeved on the outside of the damping bearing 33. The damping bearing 33 is restricted by the bracket to ensure the firmness of the damping bearing 33 after installation. By setting the damping bearing 33 to adjust the horizontal direction of the LCD screen 1, the LCD screen 1 has a damping effect when it is adjusted horizontally, thereby ensuring stability after adjustment.

[0029] As a further implementation scheme of the above technical scheme: the height adjustment mechanism 4 also includes a guide rail 42 and a guide sleeve 44. The guide rail 42 is fixedly installed on the mounting back plate 41. A guide sleeve 44 that cooperates with the guide rail 42 is fixedly installed on one side of the adjustment slide 43. The adjustment slide 43 is movably installed on the mounting back plate 41 through the guide rail 42 and the guide sleeve 44. The adjustment slide 43 is restricted by the cooperation of the guide rail 42 and the guide sleeve 44 to ensure that the adjustment slide 43 is firmly installed on the mounting back plate 41 and can move up and down stably.

[0030] As a further implementation scheme of the above technical scheme: the number of the guide rails 42 is two groups, and the two groups of guide rails 42 are mirror-distributed on both sides of the adjusting screw 45. The cooperation of the two groups of guide rails 42 can further improve the limiting effect on the adjusting slide 43, thereby ensuring the stability of the LCD screen 1 during height adjustment. The adjusting screw 45 is threadedly connected to the adjusting slide 43. Rotating the adjusting screw 45 drives the adjusting slide 43 to move upward or downward, thereby realizing the adjustment of the height of the LCD screen 1, which is convenient for users to watch.

[0031] Working principle:

[0032] When the utility model is used, the adjusting screw 45 is rotated to drive the adjusting slide 43 to move upward or downward, driving the horizontal adjustment mechanism 3 and the pitch adjustment mechanism 2 to move as a whole, so as to adjust the height of the LCD screen 1. When the adjusting slide 43 moves, the adjusting slide 43 is restricted by the cooperation of the guide rail 42 and the guide sleeve 44 to ensure the stable movement of the adjusting slide 43. The connecting plate 31 is movably installed on the adjusting slide 43 through the clamping sleeve 32 and the damping bearing 33. The LCD screen 1 is moved around the damping bearing. The adjusting worm 27 and the adjusting worm wheel 24 are rotated in the direction of the axis 33 to adjust the horizontal direction of the LCD screen 1; the transmission rod 28 is rotated to drive the adjusting worm 27 and the adjusting worm wheel 24 to rotate, and the connecting shaft 23, the connecting bracket 22 and the connecting plate 21 are driven to rotate, so that the LCD screen 1 rotates around the axis direction of the connecting shaft 23 to adjust the elevation or depression angle of the LCD screen 1. There is a self-locking effect between the adjusting worm 27 and the adjusting worm wheel 24, and the adjusting worm wheel 24 can only be driven by the adjusting worm 27 to rotate, thereby ensuring the stability of the LCD screen 1 after the elevation and depression angles are adjusted.

[0033] In the description of the present utility model, it should be noted that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present utility model; the terms "first", "second", and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance. In addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not expressly listed, or also includes elements inherent to such process, method, article, or apparatus.

[0034] 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 multi-viewing angle liquid crystal display screen, comprising a liquid crystal display screen (1), characterized in that: The back of the liquid crystal display screen (1) is provided with an elevation and pitch angle adjustment mechanism (2), and the elevation and pitch angle adjustment mechanism (2) can adjust the elevation and pitch angle of the liquid crystal display screen (1). The elevation and pitch angle adjustment mechanism (2) comprises a first connecting plate (21), a connecting bracket (22), a connecting shaft (23), an adjustment worm gear (24), a second connecting plate (25), an adjustment bracket (26), and an adjustment worm (27). The first connecting plate (21) is fixedly mounted on the back of the liquid crystal display screen (1), the adjustment worm gear (24) is arranged on the first connecting plate (21), the adjustment bracket (26) is fixedly mounted on the second connecting plate (25), and the adjustment worm (27) is movably mounted on the adjustment bracket. The side of the pitch angle adjustment mechanism (2) away from the liquid crystal display screen (1) is provided with a horizontal orientation adjustment mechanism (3), and the liquid crystal display screen (1) can adjust its horizontal orientation through the horizontal orientation adjustment mechanism (3); the side of the horizontal orientation adjustment mechanism (3) away from the pitch angle adjustment mechanism (2) is provided with a height adjustment mechanism (4), and the height adjustment mechanism (4) can adjust the height of the liquid crystal display screen (1); the height adjustment mechanism (4) comprises a mounting back plate (41), an adjustment slide (43), and an adjustment screw (45); and the adjustment slide (43) and the adjustment screw (45) are both movably mounted on the mounting back plate (41).

2. The multi-viewing angle liquid crystal display according to claim 1, characterized in that: The connecting bracket (22) is fixedly mounted on the connecting plate (21), and a connecting shaft (23) is fixedly sleeved on the connecting bracket (22), the adjusting worm gear (24) is fixedly sleeved on the outside of the connecting shaft (23), and the connecting bracket (22) and the adjusting bracket (26) are hingedly connected via the connecting shaft (23).

3. The multi-viewing angle liquid crystal display according to claim 1, characterized in that: The adjusting worm (27) is located on one side of the adjusting worm wheel (24), and the outer edge of the adjusting worm (27) is meshed with the adjusting worm wheel (24), and the bottom end of the adjusting worm (27) is fixedly connected to a transmission rod (28).

4. The multi-viewing angle liquid crystal display according to claim 1, characterized in that: The horizontal direction adjustment mechanism (3) comprises a connecting plate three (31), a clamping sleeve (32), and a damping bearing (33); the connecting plate three (31) is fixedly mounted on the connecting plate two (25) by means of bolts; and the clamping sleeve (32) is fixedly mounted on a side of the connecting plate three (31) away from the connecting plate two (25).

5. The multi-viewing angle liquid crystal display according to claim 4, characterized in that: A bracket matching the damping bearing (33) is fixedly mounted on the adjusting slide (43), and the damping bearing (33) is nested on the bracket, and the clamping sleeve (32) is sleeved on the outside of the damping bearing (33).

6. The multi-viewing angle liquid crystal display according to claim 1, characterized in that: The height adjustment mechanism (4) further comprises a guide rail (42) and a guide sleeve (44); the guide rail (42) is fixedly mounted on the mounting back plate (41); a guide sleeve (44) cooperating with the guide rail (42) is fixedly mounted on one side of the adjustment slide (43); the adjustment slide (43) is movably mounted on the mounting back plate (41) via the guide rail (42) and the guide sleeve (44).

7. The multi-viewing angle liquid crystal display according to claim 6, characterized in that: The number of the guide rails (42) is two groups, and the two groups of guide rails (42) are mirror-imaged and distributed on both sides of the adjusting screw (45), and the adjusting screw (45) is threadedly connected to the adjusting slide table (43).

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