Hoisting type liquid crystal display

Abstract

The utility model discloses a hoisting type liquid crystal display, relates to the technical field of liquid crystal displays, solves the problems that an existing device is low in practicability and easy to accumulate dust, and adopts the following scheme that four groups of opposite mounting holes are formed in the top surface of a mounting plate. Through the arrangement of the electric telescopic rod, the stepping motor and the rotating shaft, the device can be installed on a ceiling or a side wall through the installation plate, the electric telescopic rod can drive the display screen to move up and down, then the stepping motor drives the rotating shaft to rotate, and therefore the angle of the display screen can be adjusted, and the practicability of the device is improved; meanwhile, through the arrangement of a stepping motor, an air cylinder and a dustproof cover, after the display screen is used, the stepping motor drives the display screen to rotate to the position opposite to the dustproof cover, the air cylinder drives the dustproof cover to move downwards, and the display frame makes contact with and is attached to a sealing gasket in the dustproof cover, so that the display screen is sealed, and dust is prevented from falling onto the display screen.

Description

Technical Field

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

[0002] In some public places or teaching classrooms, suspended displays are often used. The suspended displays are installed on the ceiling or wall, which can save desktop space and is convenient for use. However, the bases of existing displays are generally made of plastic, with low reliability and are not easy to install on the ceiling.

[0003] After retrieval, in the application with the patent publication number CN215111419U, a suspended display is disclosed, which includes a mounting plate. The bottom end of the mounting plate is fixedly connected with a connecting plate. One side of the connecting plate is fixedly connected with a mounting post. An installation groove is opened inside the mounting post, and a height adjustment mechanism is arranged inside the installation groove. The height adjustment mechanism includes a servo motor. The output end of the servo motor is connected with a first bevel gear, and a second bevel gear is arranged on one side of the first bevel gear, which can automatically adjust the height of the display, improving functionality and convenience.

[0004] However, due to the setting of the height adjustment mechanism and the mounting plate, the device can only be installed on the ceiling and then used. The height of the display screen can be adjusted, but the viewing angle of the display screen cannot be adjusted, and the device cannot be installed on the side wall, with low practicability. At the same time, since the display screen is exposed to the air, long-term exposure is likely to cause the display screen to be covered with dust, thus affecting the display effect of the display screen.

[0005] Therefore, we propose a suspended liquid crystal display. Content of the Utility Model

[0006] Aiming at the deficiencies of the prior art, the utility model provides a suspended liquid crystal display, which solves the problems of low practicability and easy dust accumulation of the existing device.

[0007] To achieve the above objectives, the utility model is realized through the following technical solutions: A suspended liquid crystal display includes a mounting plate, and a display frame is assembled below the mounting plate. A display screen with a matching specification is assembled inside the display frame;

[0008] Four sets of oppositely positioned mounting holes are provided on the top surface of the mounting plate. An electric telescopic rod is fixedly installed on the bottom surface of the mounting plate. The bottom end of the electric telescopic rod is fixedly installed with a fixing plate. Side plates are respectively fixedly installed on the left and right sides of the fixing plate. A stepping motor is fixedly installed on the left side of the side plate. A rotating shaft sleeved on the output end of the stepping motor is assembled inside the side plate through a bearing. A limiting block is fixedly installed on the right side of the rotating shaft. A display frame with a matching specification is assembled between the limiting blocks.

[0009] Two sets of oppositely positioned cylinders are fixedly installed on the top surface of the fixing plate. Two push rods sleeved on the output ends of the cylinders are assembled on the bottom surface of the fixing plate. The bottom end of the push rod is fixedly installed with a dust cover matching the specification of the display screen. A sealing gasket with a matching specification is fixedly installed on the bottom surface of the dust cover.

[0010] Preferably, two sets of oppositely positioned and penetrating limiting holes are provided on the left side of the limiting block. Two sets of oppositely positioned threaded holes are respectively provided on the left and right sides of the display frame, and locking bolts with a matching specification are assembled in the limiting holes, which can facilitate the installation of the display between the two limiting blocks.

[0011] Preferably, the front side of the display frame protrudes from the display screen, which can prevent the dust cover from damaging the display screen.

[0012] Preferably, grooves with a matching specification are respectively provided on the left and right sides of the dust cover, which can prevent the rotating rod and the limiting block from hindering the movement of the dust cover.

[0013] Preferably, a pressure sensor is assembled inside the dust cover, which can prevent the dust cover from damaging the display due to excessive pressure.

[0014] Preferably, the side plate and the fixing plate are made of stainless steel material, which can improve the strength of the side plate and the fixing plate and also reduce their weight.

[0015] 1. For this hoisting type liquid crystal display, through the settings of the electric telescopic rod, stepping motor and rotating shaft, the device can be installed on the ceiling or side wall through the mounting plate. The electric telescopic rod can drive the display screen to move up and down, and then the stepping motor drives the rotating shaft to rotate, so as to adjust the angle of the display screen and improve the practicability of the device.

[0016] 2. At the same time, through the settings of the stepping motor, cylinder and dust cover, when the display screen is not in use, the stepping motor drives the display screen to rotate to a position opposite to the dust cover, the cylinder drives the dust cover to move downward, and the display frame contacts and fits with the sealing gasket inside the dust cover, thereby sealing the display screen and preventing dust from falling onto the display screen, improving its use effect. Description of the Drawings

[0017] Figure 1 It is a schematic structural diagram of the whole of the present utility model;

[0018] Figure 2 It is a schematic structural diagram of the side plate of the present utility model;

[0019] Figure 3 It is a schematic structural diagram of the display screen of the present utility model;

[0020] Figure 4 It is a schematic structural diagram of the dust-proof cover of the present utility model.

[0021] In the figure: 1, mounting plate; 2, display frame; 3, display screen; 4, mounting hole; 5, electric telescopic rod; 6, fixing plate; 7, side plate; 8, stepping motor; 9, rotating shaft; 10, bearing; 11, limiting block; 12, limiting hole; 13, threaded hole; 14, cylinder; 15, push rod; 16, dust-proof cover; 17, sealing gasket; 18, groove. Specific embodiments

[0022] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0023] Embodiment 1:

[0024] As Figures 1-4 shown: Four groups of oppositely-positioned mounting holes 4 are opened on the top surface of the mounting plate 1. An electric telescopic rod 5 is fixedly installed on the bottom surface of the mounting plate 1. A fixing plate 6 is fixedly installed at the bottom end of the electric telescopic rod 5. Side plates 7 are respectively fixedly installed on the left and right sides of the fixing plate 6. A stepping motor 8 is fixedly installed on the left side of the side plate 7. A rotating shaft 9 sleeved on the output end of the stepping motor 8 is assembled inside the side plate 7 through a bearing 10. A limiting block 11 is fixedly installed on the right side of the rotating shaft 9. A display frame 2 with a matching specification is assembled between the limiting blocks 11. Through the settings of the electric telescopic rod 5, the stepping motor 8 and the rotating shaft 9, the device can be installed on the ceiling or the side wall through the mounting plate 1. The electric telescopic rod 5 can drive the display screen 3 to move up and down, and then the stepping motor 8 drives the rotating shaft 9 to rotate, so as to adjust the angle of the display screen 3 and improve the practicability of the device.

[0025] Embodiment 2:

[0026] As Figures 2-4As shown in the figure: Two sets of cylinders 14 opposite in position are fixedly installed on the top surface of the fixed plate 6. Two sets of push rods 15 sleeved on the output ends of the cylinders 14 are assembled on the bottom surface of the fixed plate 6. A dust-proof cover 16 adapted to the specifications of the display screen 3 is fixedly installed at the bottom end of the push rod 15. A sealing gasket 17 adapted to the specifications is fixedly installed on the bottom surface of the dust-proof cover 16. Through the settings of the stepper motor 8, the cylinder 14 and the dust-proof cover 16, when the use of the display screen 3 is completed, the stepper motor 8 drives the display screen 3 to rotate to a position opposite to the dust-proof cover 16, and the cylinder 14 drives the dust-proof cover 16 to move downward. The display frame 2 comes into contact and fits with the sealing gasket 17 inside the dust-proof cover 16, thereby sealing the display screen 3 to prevent dust from falling onto the display screen 3 and improving its use effect.

[0027] Embodiment 3:

[0028] As Figures 2-3 shown in the figure: Two sets of opposite and penetrating limiting holes 12 are opened on the left side of the limiting block 11. Two sets of opposite threaded holes 13 are respectively opened on the left and right sides of the display frame 2, and locking bolts adapted to the specifications are assembled in the limiting holes 12, so that it is convenient to install the display between the two limiting blocks 11.

[0029] The working principle and usage process of the present utility model: When the device needs to work, first, the device can be installed on the ceiling or side wall through the mounting plate 1. Then, the display is installed between the two limiting blocks 11 through the locking bolts and the threaded holes 13. The electric telescopic rod 5 can drive the display screen 3 to move up and down. Then, the stepper motor 8 drives the rotating shaft 9 to rotate, so as to adjust the angle of the display screen 3 and improve the practicability of the device. When not in use, the stepper motor 8 drives the display screen 3 to rotate to a position opposite to the dust-proof cover 16, and the cylinder 14 drives the dust-proof cover 16 to move downward. The display frame 2 comes into contact and fits with the sealing gasket 17 inside the dust-proof cover 16, thereby sealing the display screen 3 to prevent dust from falling onto the display screen 3 and improving its use effect.

[0030] The above shows and describes the basic principles, main features and advantages of the present utility model. For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic features of the present utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0031] In addition, it should be understood that although this specification is described in terms of embodiments, not every embodiment contains only one independent technical solution. This narrative style of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A ceiling-mounted liquid crystal display, comprising a mounting plate (1), a display frame (2) being mounted below the mounting plate (1), and a display screen (3) of matching specifications being mounted inside the display frame (2); Features: The top surface of the mounting plate (1) is provided with four groups of mounting holes (4) in opposite positions; the bottom surface of the mounting plate (1) is fixedly mounted with an electric telescopic rod (5); the bottom end of the electric telescopic rod (5) is fixedly mounted with a fixing plate (6); the left and right sides of the fixing plate (6) are respectively fixedly mounted with side plates (7); the left side of the side plate (7) is fixedly mounted with a stepping motor (8); the inner side of the side plate (7) is equipped with a rotating shaft (9) sleeved on the output end of the stepping motor (8) through a bearing (10); the right side of the rotating shaft (9) is fixedly mounted with a limit block (11); a display frame (2) of matching specifications is mounted between the limit blocks (11); Two sets of cylinders (14) in opposite positions are fixedly mounted on the top surface of the fixing plate (6), two sets of push rods (15) sleeved on the output ends of the cylinders (14) are mounted on the bottom surface of the fixing plate (6), a dust cover (16) matching the specifications of the display screen (3) is fixedly mounted on the bottom end of the push rod (15), and a sealing gasket (17) matching the specifications is fixedly mounted on the bottom surface of the dust cover (16).

2. The ceiling-mounted liquid crystal display according to claim 1, characterized in that: The left side of the limit block (11) is provided with two groups of limit holes (12) which are opposite to each other and penetrate through the limit block, and the left and right sides of the display frame (2) are respectively provided with two groups of threaded holes (13) which are opposite to each other, and locking bolts of matching specifications are installed in the limit holes (12).

3. The ceiling-mounted liquid crystal display according to claim 1, characterized in that: The front side of the display frame (2) protrudes from the display screen (3).

4. The ceiling-mounted liquid crystal display according to claim 1, characterized in that: The left and right sides of the dust cover (16) are respectively provided with grooves (18) of matching specifications.

5. The ceiling-mounted liquid crystal display according to claim 1, characterized in that: A pressure sensor is installed inside the dust cover (16).

6. The ceiling-mounted liquid crystal display according to claim 1, characterized in that: The side plate (7) and the fixing plate (6) are made of stainless steel.

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