A combined LCD display

Abstract

This utility model discloses a modular liquid crystal display screen, including a support base. A lifting rod is slidably disposed within the support base. A support arm is fixedly disposed at the top of the lifting rod. A fixing plate is fixedly disposed at the top of the support arm. Multiple fixing mechanisms are disposed on the fixing plate. Each fixing mechanism includes a plug rod and a fixing sleeve. The plug rod is inserted into the fixing plate, and the fixing sleeve is inserted into the top of the plug rod. The display screen body is fixedly disposed at the bottom of the multiple plug rods. A sliding hole is opened on the inner side of the fixing sleeve. Multiple sliding holes are provided, each slidably connected to a locking block. A locking groove is opened on the outer wall of the plug rod. A push spring is connected between the top of each locking block and the sliding hole. A positioning strip is fixedly disposed on the inner side of the fixing sleeve. This device solves the problem of complex and time-consuming installation and disassembly of traditional display screens by setting a quick connection structure between the plug rod and the fixing sleeve. The operator only needs to insert the plug rod on the outside of the display screen into the plug hole and connect it with the fixing sleeve to complete the entire installation process.

Description

Technical Field

[0001] This utility model relates to the field of liquid crystal display technology, and more specifically, to a combined liquid crystal display. Background Technology

[0002] In modern information technology display and multimedia application scenarios, LCD screens are widely used in various environments such as conference rooms, exhibition halls, commercial displays, and teaching and training. These applications usually require flexible installation and disassembly of the screens according to different display needs and space conditions. However, traditional LCD screen installation methods mainly rely on complex bracket systems and a large number of bolt fasteners. The installation process requires multiple people to work together and use professional tools to tighten each connection point one by one. This is not only time-consuming but also cumbersome. When a temporary display system needs to be set up or the display location needs to be changed frequently, the traditional fixing method cannot meet the needs of rapid deployment. The disassembly process is also complicated and time-consuming, requiring all fixing bolts to be loosened one by one to remove the screen from the bracket. This inefficient installation and disassembly method not only increases labor costs but also easily leads to damage to the screen due to improper operation. Moreover, small parts such as bolts are easily lost or damaged, affecting the reusability and maintenance convenience of the equipment.

[0003] In practical use, different application environments have different requirements for the installation height and usage height of LCD screens. For example, conference rooms need to adjust the position of the screen according to the height of the attendees' seats, exhibition halls need to optimize the viewing angle according to the average height of the audience, and classrooms need to consider the differences in the eye level of students in different rows of seats. However, traditional screen bracket systems usually adopt a fixed height design or can only achieve limited height adjustment by replacing bracket poles of different lengths. This adjustment method not only requires the purchase of multiple sets of bracket accessories, increasing costs, but also requires disassembling and reassembling the entire bracket system every time the height is adjusted. The operation process is complicated and poses safety hazards. When multiple displays at different heights need to be carried out in the same venue, the traditional fixed height design cannot meet the need for flexible adjustment. Operators often need to use temporary shims or other non-standard methods to adjust the display height, which not only affects the display effect but may also cause instability or even tipping of the equipment. Utility Model Content

[0004] (a) Technical problems to be solved In view of the problems existing in the prior art, this utility model provides a combined liquid crystal display screen to solve the technical problems mentioned in the background art.

[0005] (II) Technical Solution To achieve the above objectives, this utility model provides the following technical solution: a combined liquid crystal display screen, including a support base, a lifting rod slidably disposed within the support base, a support arm fixedly disposed at the top of the lifting rod, a fixing plate fixedly disposed at the top of the support arm, and multiple sets of fixing mechanisms disposed on the fixing plate. Each fixing mechanism includes a plug rod and a fixing sleeve. The plug rod is inserted into the fixing plate, and the fixing sleeve is inserted into the top of the plug rod. The display screen body is fixedly disposed at the bottom of the multiple sets of plug rods. A sliding hole is opened on the inner side of the fixing sleeve. Multiple sets of sliding holes are provided, each slidably connected to a locking block. A locking groove is opened on the outer wall of the plug rod. A push spring is connected between the top of each set of locking blocks and the sliding hole. A positioning strip is fixedly disposed on the inner side of the fixing sleeve. A positioning groove is opened on the outer wall of the plug rod. Multiple sets of positioning grooves and positioning strips are provided and slidably connected. An insertion hole is opened on the fixing plate. Multiple sets of insertion holes are provided and are respectively inserted into multiple sets of plug rods.

[0006] The present invention is further configured such that a sliding sleeve is slidably provided on the outer side of the fixed sleeve, a push plate is fixedly provided on the inner side of the sliding sleeve, and a push block is fixedly provided on the outer side of each of the multiple sets of the locking blocks. The linkage design of the sliding sleeve and the push plate realizes unified control of multiple sets of locking blocks. The sliding operation of the sliding sleeve can simultaneously drive the action of all push plates and push blocks, ensuring that multiple sets of locking blocks can be unlocked synchronously, thereby improving the consistency and efficiency of the disassembly process.

[0007] The present invention is further configured such that the outer wall of the fixed sleeve is provided with a sliding groove, and the sliding groove is provided in multiple sets and is slidably connected to multiple sets of push plates respectively. The multiple sets of sliding grooves provide accurate sliding trajectory constraints for the push plates, ensuring that the push plates can move smoothly in a predetermined direction under the drive of the sliding sleeve, avoiding the push plates from deviating or getting stuck during the force transmission process, and ensuring the stability and accuracy of the unlocking operation.

[0008] The present invention is further configured such that each of the multiple sets of sliding grooves is provided with a guide groove, and the multiple sets of push blocks slide in the multiple sets of guide grooves respectively. The guide grooves provide precise motion guidance for the push blocks, ensuring that the push blocks can push the card block out of the card slot along the correct trajectory under the drive of the push plate, avoiding deflection and interference during the movement of the push blocks, and ensuring the accuracy and reliability of the card block unlocking action.

[0009] The present invention is further provided with a reset spring connected between the outer wall of the fixed sleeve and the top surface of the sliding sleeve. The reset spring provides an automatic restoring force to the sliding sleeve, ensuring that the sliding sleeve can automatically return to the initial position after the unlocking operation is completed, so that the system can quickly return to the installation state. At the same time, the elastic force of the reset spring also provides appropriate damping for the operation of the sliding sleeve, improving the operating feel and control accuracy.

[0010] The present invention is further configured such that the bottom ends of the multiple sets of locking blocks and the top ends of the insertion rods are all arc-shaped. The arc-shaped design achieves smooth contact and precise fit between the locking blocks and the insertion rods, reduces frictional resistance and contact stress concentration during the insertion process, makes the insertion and removal of the insertion rods smoother, and improves the reliability and durability of the connection.

[0011] The present invention is further configured such that a transmission bar is fixedly provided on the outer wall of the lifting rod, a damping bearing seat is fixedly provided on the outer wall of the support base, a transmission wheel is rotatably connected to the inner side of the damping bearing seat through the damping bearing, a throttle handle is fixedly provided on the outer wall of the transmission wheel, and the throttle handle is rotatably connected to the damping bearing seat. The precise position control of the lifting rod is achieved through rack and pinion transmission. The damping bearing provides appropriate damping force for height adjustment to prevent the display screen from sliding down due to its own weight. The throttle handle is simple and intuitive to operate, making the height adjustment process easy and controllable.

[0012] The present invention is further configured such that a movable groove is provided on the outer side of the support base, the transmission bar slides in the movable groove and meshes with the transmission wheel on the outer side, the movable groove provides a stable sliding guide track for the transmission bar, ensuring that the transmission bar maintains the correct movement trajectory during the lifting process, avoiding the transmission bar from deviating or jamming, and ensuring the smoothness of gear transmission and the reliability of lifting operation.

[0013] (III) Beneficial Effects Compared with the prior art, the present invention provides a combined liquid crystal display screen, which has the following beneficial effects: 1. This device solves the problem of complex and time-consuming installation and disassembly of traditional displays by setting up a quick connection structure between the plug and the fixing sleeve. The operator only needs to insert the plug on the outside of the display into the plug hole and connect it with the fixing sleeve to complete the entire installation process. The locking block automatically engages in the slot under the action of the push spring to achieve reliable locking. There is no need to use bolts or other cumbersome fasteners and professional tools. The matching design of the positioning strip and the positioning groove ensures accurate positioning during the insertion process. The arc-shaped bottom end of the locking block and the top end of the plug fit smoothly and reliably. The synchronous operation of multiple fixing mechanisms ensures the stable fixation of the display, which significantly improves the installation efficiency and reduces the operation difficulty and labor costs.

[0014] 2. The sliding sleeve push plate linkage unlocking mechanism of this device enables one-click quick disassembly of the display screen. When the display screen needs to be disassembled, simply push the sliding sleeve, and the linkage action of the push plate and push block will cause all the locking blocks to disengage from the slots simultaneously. The unlocking action is quick and uniform, avoiding the tedious steps of loosening the bolts one by one. The setting of the return spring enables the sliding sleeve to have an automatic return function, ensuring that the system can quickly return to the ready-to-install state after disassembly. The synchronous sliding of multiple sets of push plates along the slide groove and the precise guidance of the push block by the guide groove ensure the accuracy and consistency of the unlocking operation. The entire disassembly process is simple and quick, and is especially suitable for application scenarios that require frequent changes of display position or temporary construction, effectively improving the reusability and maintenance convenience of the equipment.

[0015] 3. This device achieves flexible adjustment of the display screen's installation and usage height through a combination design of the lifting rod and transmission system. The cooperation between the throttle and the transmission wheel makes height adjustment easy and smooth. The sliding of the transmission bar in the movable groove, combined with gear transmission, ensures the stability and positioning accuracy of the lifting process. The application of damping bearings provides appropriate damping force for height adjustment, preventing the display screen from accidentally sliding down due to its own weight. Operators can quickly adjust to the optimal height position according to different usage environments and viewing needs without replacing bracket accessories or reinstalling the entire support system. This meets the diverse display height requirements of different occasions such as conference rooms, exhibition halls, and classrooms, achieving the goal of adapting one set of equipment to multiple application environments, significantly reducing equipment configuration costs and improving usage flexibility. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of a modular liquid crystal display screen according to the present invention; Figure 2 This is a schematic diagram of the support arm in this utility model; Figure 3 This is a schematic diagram of the disassembly structure of the fixing plate in this utility model; Figure 4 This is a cross-sectional view of the fixing sleeve in this utility model; Figure 5 This is a cross-sectional view of the support base in this utility model.

[0017] In the diagram: 1. Support base; 2. Lifting rod; 3. Support arm; 4. Fixing plate; 5. Insert rod; 6. Fixing sleeve; 7. Display screen body; 8. Sliding hole; 9. Locking block; 10. Locking groove; 11. Push spring; 12. Positioning bar; 13. Positioning groove; 14. Insertion hole; 15. Sliding sleeve; 16. Push plate; 17. Push block; 18. Sliding groove; 19. Guide groove; 20. Return spring; 21. Transmission bar; 22. Damping bearing seat; 23. Transmission wheel; 24. Throttle; 25. Movable groove. Detailed Implementation

[0018] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0019] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains.

[0020] In this utility model, unless otherwise stated, the orientations used, such as "up" and "down", usually refer to the direction shown in the accompanying drawings, or to the vertical, perpendicular, or gravitational direction; similarly, for ease of understanding and description, "left" and "right" usually refer to the left and right shown in the accompanying drawings; "inner" and "outer" refer to the inner and outer contours of each component itself, but the above directional terms are not used to limit this utility model.

[0021] Please see Figures 1-5 A modular LCD display includes a support base 1, a lifting rod 2 slidably disposed within the support base 1, a support arm 3 fixedly disposed at the top of the lifting rod 2, a fixing plate 4 fixedly disposed at the top of the support arm 3, and multiple fixing mechanisms disposed on the fixing plate 4. Each fixing mechanism includes a plug rod 5 and a fixing sleeve 6. The plug rod 5 is inserted into the fixing plate 4, and the fixing sleeve 6 is inserted into the top of the plug rod 5. The bottom of the multiple plug rods 5 is fixedly disposed with a display body 7. The inner side of the fixing sleeve 6 has a sliding hole 8, and multiple sets of sliding holes 8 are provided, each slidably connected to a locking block 9. The outer wall of the plug rod 5 has a locking groove 10, and the top of each set of locking blocks 9 is connected to a push spring 11. The inner side of the fixing sleeve 6 is fixedly disposed with a positioning strip 12, and the outer wall of the plug rod 5 has a positioning groove 13, and multiple sets of positioning grooves 13 and positioning strips 12 are provided and slidably connected. The fixing plate 4 has a plug hole 14, and multiple sets of plug holes 14 are provided and respectively plugged into multiple sets of plug rods 5.

[0022] A sliding sleeve 15 is provided on the outer side of the fixed sleeve 6, and a push plate 16 is fixedly provided on the inner side of the sliding sleeve 15. Push blocks 17 are fixedly provided on the outer side of multiple sets of locking blocks 9.

[0023] The outer wall of the fixed sleeve 6 is provided with a sliding groove 18, and multiple sets of sliding grooves 18 are provided and are slidably connected to multiple sets of push plates 16 respectively.

[0024] Each of the multiple sets of sliding grooves 18 has a guide groove 19, and the multiple sets of push blocks 17 slide in the multiple sets of guide grooves 19 respectively.

[0025] A return spring 20 is provided between the outer wall of the fixed sleeve 6 and the top surface of the sliding sleeve 15.

[0026] The bottom of the multiple sets of card blocks 9 and the top of the insertion rod 5 are both set to be arc-shaped.

[0027] A transmission bar 21 is fixedly provided on the outer wall of the lifting rod 2, and a damping bearing seat 22 is fixedly provided on the outer wall of the support base 1. A transmission wheel 23 is rotatably connected to the inner side of the damping bearing seat 22 through a damping bearing. A throttle 24 is fixedly provided on the outer wall of the transmission wheel 23, and the throttle 24 is rotatably connected to the damping bearing seat 22.

[0028] The support base 1 has a movable groove 25 on its outer side, and the transmission bar 21 slides in the movable groove 25 and its outer side meshes with the transmission wheel 23.

[0029] In this embodiment, during use, rotating the handle 24 clockwise drives the transmission wheel 23 to rotate. The transmission wheel 23 engages with the transmission bar 21 and slides along the movable groove 25, thereby driving the lifting rod 2 to slide along the support base 1, thus adjusting the installation and usage height of the support arm 3 and the display screen body 7. The plug rod 5, which is fixedly installed on the outside of the display screen, is inserted into the plug hole 14 and then into the fixing sleeve 6. The multiple sets of positioning bars 12 and positioning grooves 13 are used for positioning and insertion. The top of the plug rod 5 pushes multiple sets of locking blocks 9 to slide along the sliding hole 8 and squeeze the push spring 11. When the plug rod 5 is fully inserted into the fixing sleeve 6, the multiple sets of push springs 11 reset and push the locking blocks 9 to slide along the sliding hole 8 and insert into the locking groove 10, thereby completing the locking of the fixing sleeve 6 and the plug rod 5. The display screen body 7 is installed by the fixing sleeve 6 abutting against the outer wall of the fixing plate 4.

[0030] More specifically, when it is necessary to disassemble the display screen body 7, push the sliding sleeve 15 to squeeze the reset spring 20, and at the same time drive multiple sets of push plates 16 to slide along the sliding groove 18 and push the push block 17 to slide along the guide groove 19, so that multiple sets of locking blocks 9 disengage from the locking groove 10 and slide along the sliding hole 8, thereby releasing the locking of the plug rod 5. Then, pull the plug rod 5 out of the fixing sleeve 6 and the plug hole 14 to complete the disassembly of the display screen body 7.

[0031] In summary, during use or operation of the overall equipment: When in use, rotating the handle 24 clockwise drives the transmission wheel 23 to rotate. The transmission wheel 23 engages with the transmission bar 21 and slides along the movable groove 25, thereby driving the lifting rod 2 to slide along the support base 1, thus adjusting the installation and usage height of the support arm 3 and the display screen body 7. The plug rod 5, which is fixedly installed on the outside of the display screen, is inserted into the plug hole 14 and then into the fixing sleeve 6. The multiple sets of positioning bars 12 are positioned and inserted into the positioning groove 13. The top of the plug rod 5 pushes multiple sets of locking blocks 9 to slide along the sliding hole 8 and squeeze the push spring 11. When the plug rod 5 is fully inserted into the fixing sleeve 6, the multiple sets of push springs 11 reset and push the locking blocks 9 to slide along the sliding hole 8 and insert into the locking groove 10, thus completing the locking of the fixing sleeve 6 and the plug rod 5. The display screen body 7 is installed by the fixing sleeve 6 abutting against the outer wall of the fixing plate 4.

[0032] When it is necessary to disassemble the display screen body 7, push the sliding sleeve 15 to squeeze the reset spring 20, and at the same time drive multiple sets of push plates 16 to slide along the sliding groove 18 and push the push block 17 to slide along the guide groove 19, so that multiple sets of locking blocks 9 disengage from the locking groove 10 and slide along the sliding hole 8, thereby releasing the locking of the plug rod 5. Then pull the plug rod 5 out of the fixing sleeve 6 and the plug hole 14 to complete the disassembly of the display screen body 7.

[0033] Of all the solutions mentioned above, those involving connections between two components can be selected based on the actual situation, such as welding, bolt and nut connection, bolt or screw connection, or other well-known connection methods. These will not be elaborated on here. For all the fixed connections mentioned above, welding is the preferred option. In all the solutions mentioned above, the operation of electrical components, unless otherwise specified, is controlled by a controller. Since the devices matched with the controllers are common devices, their control principles and wiring connections are existing, well-known, and mature technologies, and their specific circuit structures will not be described in detail here. The specific models and specifications of the electrical components involved in this solution need to be selected and determined according to the actual specifications of the device. The specific selection and calculation methods adopt existing technologies in this field, and therefore will not be described in detail. Of all the solutions mentioned above, those involving motors can be combined with reducers if necessary. The connection structure and working principle between the motor and the reducer are existing known technologies and will not be described in detail in this utility model. Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A combined liquid crystal display screen, comprising a support base (1), characterized in that: A lifting rod (2) is slidably provided inside the support base (1). A support arm (3) is fixedly provided at the top of the lifting rod (2). A fixing plate (4) is fixedly provided at the top of the support arm (3). Multiple fixing mechanisms are provided on the fixing plate (4). The fixing mechanism includes a plug rod (5) and a fixing sleeve (6). The plug rod (5) is inserted into the fixing plate (4), and the fixing sleeve (6) is inserted into the top of the plug rod (5). The display screen body (7) is fixedly provided at the bottom of the multiple plug rods (5). A sliding hole (8) is provided inside the fixing sleeve (6). The sliding hole (8) is provided with The device is provided with multiple sets of sliding blocks (9), and the outer wall of the insertion rod (5) is provided with a slot (10). The top of each set of blocks (9) is connected to the sliding hole (8) with a push spring (11). The inner side of the fixed sleeve (6) is fixed with a positioning strip (12). The outer wall of the insertion rod (5) is provided with a positioning groove (13). The positioning groove (13) and the positioning strip (12) are provided with multiple sets and are slidably connected. The fixed plate (4) is provided with a hole (14). The hole (14) is provided with multiple sets and is respectively inserted into multiple sets of insertion rods (5).

2. The combined liquid crystal display screen according to claim 1, characterized in that: The outer side of the fixed sleeve (6) is provided with a sliding sleeve (15), the inner side of the sliding sleeve (15) is provided with a push plate (16), and the outer side of the multiple sets of the locking blocks (9) is provided with push blocks (17).

3. A combined liquid crystal display screen according to claim 2, characterized in that: The outer wall of the fixed sleeve (6) is provided with a sliding groove (18), and the sliding groove (18) is provided in multiple sets and is slidably connected to multiple sets of push plates (16).

4. A combined liquid crystal display screen according to claim 3, characterized in that: multiple groups Each of the slide grooves (18) is provided with a guide groove (19), and the multiple sets of push blocks (17) slide in the multiple sets of guide grooves (19).

5. A combined liquid crystal display screen according to claim 4, characterized in that: A return spring (20) is provided between the outer wall of the fixed sleeve (6) and the top surface of the sliding sleeve (15).

6. A combined liquid crystal display screen according to claim 5, characterized in that: The bottom of the multiple sets of card blocks (9) and the top of the insertion rod (5) are both set to be arc-shaped.

7. A combined liquid crystal display screen according to claim 6, characterized in that: The outer wall of the lifting rod (2) is fixed with a transmission bar (21), the outer wall of the support base (1) is fixed with a damping bearing seat (22), the inner side of the damping bearing seat (22) is rotatably connected with a transmission wheel (23) through a damping bearing, the outer wall of the transmission wheel (23) is fixed with a throttle (24), and the throttle (24) is rotatably connected with the damping bearing seat (22).

8. A combined liquid crystal display screen according to claim 7, characterized in that: The support base (1) has a movable groove (25) on its outer side, and the transmission bar (21) slides in the movable groove (25) and engages with the transmission wheel (23) on its outer side.

Images