Mounting rack and display unit

Abstract

This invention provides a mounting bracket and a display unit. The mounting bracket includes a bracket body and a first connecting mechanism. The bracket body includes a main frame and a reinforcing frame. The main frame has a clearance hole. One end of the reinforcing frame is rotatably connected to an inner wall of the clearance hole, and the other end has a first connecting structure. The first connecting structure is used to detachably connect to the other inner wall of the clearance hole and apply a tension force to the main frame. The first connecting mechanism is mounted on the main frame and is used to detachably connect the component to be mounted to the main frame. When power supply maintenance is required, the detachable connection between the first connecting structure and the main frame is released, allowing the reinforcing frame to rotate relative to the main frame to avoid the power supply component. After power supply maintenance is completed, the reinforcing frame rotates to a preset position, allowing the first connecting structure to re-detachably connect to the main frame, and correspondingly pulling the two ends of the main frame towards the middle, improving the reliability of the mounting bracket and the display unit.

Description

Technical Field

[0001] This invention relates to the field of display technology, and in particular to a mounting bracket and a display unit. Background Technology

[0002] Currently, LED displays mainly consist of three parts: LED display modules, cabinets, and power supply components. Especially for special applications such as rental screens and grid screens, the power supply components are typically located in the middle of the back of the cabinet. When a frame structure needs to be installed on the back of the cabinet, the frame structure can interfere with the power supply components, affecting their maintenance. Summary of the Invention

[0003] It is necessary to provide a mounting bracket and display unit to address the problem that the frame structure of existing LED displays may interfere with the power supply components, thus affecting the maintenance of the power supply components.

[0004] The technical solution is as follows:

[0005] On the one hand, a mounting bracket is provided, comprising:

[0006] The frame body includes a main frame and a reinforcing frame. The main frame has a clearance hole. One end of the reinforcing frame is rotatably connected to an inner wall of the clearance hole, and the other end has a first connecting structure. The first connecting structure is used for detachable connection to the other inner wall of the clearance hole and applies a tension force to the main frame.

[0007] A first connecting mechanism is mounted on the main frame and is used to detachably connect the component to be installed to the main frame.

[0008] On the other hand, a display unit is provided, including the aforementioned mounting bracket.

[0009] In the above embodiments, the mounting bracket and display unit are used by placing the mounting bracket on the back of the enclosure, with the clearance hole located in the middle of the back of the enclosure. The power supply component can be installed in the middle of the back of the enclosure and within the main frame. Then, the first connecting mechanism connects the bracket body to the enclosure as a single unit, assembling the display unit. When maintenance of the power supply component is required, the detachable connection between the first connecting structure and the main frame is released, allowing the reinforcing frame to rotate relative to the main frame to avoid the power supply component. This ensures that the power supply component does not interfere with the reinforcing frame during maintenance, improving the practicality of the bracket body. After maintenance of the power supply component is completed, the reinforcing frame rotates to a preset position, allowing the first connecting structure to be detachably reconnected to the main frame and applying tension to the main frame. This allows the reinforcing frame to pull the two ends of the main frame towards the center, increasing the overall strength of the main frame and improving the reliability of the mounting bracket. Furthermore, the bracket body strengthens the structural strength of the enclosure, meeting the requirements for higher hoisting heights of the display unit and improving its practicality. Attached Figure Description

[0010] The accompanying drawings, which form part of this application, are used to provide a further understanding of this application. The illustrative embodiments of this application and their descriptions are used to explain this application and do not constitute an undue limitation of this application.

[0011] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0012] Figure 1 This is a structural schematic diagram of the box body, frame body, first connecting mechanism and second connecting mechanism according to one embodiment.

[0013] Figure 2 for Figure 1 A schematic diagram of the frame body.

[0014] Figure 3 for Figure 2 An exploded view of the main frame.

[0015] Figure 4 for Figure 3 Exploded view of the reinforcing frame, the first connecting structure, and the first locking component.

[0016] Figure 5 for Figure 4 A magnified view of part A in the middle.

[0017] Figure 6 for Figure 4 A magnified view of part B in the middle section.

[0018] Figure 7 for Figure 4 A magnified view of part C in the middle.

[0019] Figure 8 for Figure 1 The diagram shows the structure of the second connection structure.

[0020] Figure 9 for Figure 8 Exploded view of the second connection structure.

[0021] Figure 10 for Figure 1 A structural diagram of the box, frame body, and connecting lock.

[0022] Figure 11 for Figure 10 A schematic diagram of the connection lock structure.

[0023] Figure 12 for Figure 10 An exploded view of the connection lock.

[0024] Figure 13 for Figure 1 A schematic diagram of the third connection structure in the diagram.

[0025] Figure 14 for Figure 13 A schematic diagram of the third connection structure from another perspective.

[0026] Figure 15 for Figure 14 A cross-sectional view of the first connecting component along the DD direction.

[0027] Figure 16 for Figure 14 An exploded view of the first connecting component in the diagram.

[0028] Figure 17 for Figure 14 An exploded view of the second connecting component.

[0029] Figure 18 for Figure 1 The structural diagram of the main frame and the fourth connecting structure.

[0030] Figure 19 for Figure 18 A schematic diagram of the structure of the first lifting lock module.

[0031] Figure 20 for Figure 18 The diagram shows the structure of the second lifting lock module.

[0032] Figure 21 for Figure 20 A cross-sectional view of the second lifting lock module along the FF direction.

[0033] Figure 22 for Figure 20 Exploded view of the second lifting lock module.

[0034] Explanation of reference numerals in the attached figures:

[0035] 100. Housing; 200. Power supply installation position; 300. Frame body; 310. Main frame; 311. Clearance hole; 312. First connecting hole; 313. Eighth connecting hole; 320. Reinforcing frame; 321. Second connecting hole; 322. Third connecting hole; 323. First connecting part; 324. First mounting hole; 325. Second sliding hole; 326. Sixth connecting hole; 327. Seventh connecting hole; 328. Second connecting part; 330. First connecting structure; 331. Telescopic pivot; 3311. Eccentric round shaft end; 3312. First sliding hole; 332. First operating component; 3321. Fourth connecting hole; 3322. Fifth connecting hole; 3323. First limiting part; 333. First limiting component; 334. 340. First pin; 341. First locking assembly; 342. First elastic element; 343. First latch; 344. Unlocking element; 345. Retaining ring; 346. Connecting screw; 351. Fixed rotating shaft; 3511. Annular groove; 352. Second limiting element; 400. Second connecting structure; 410. First connecting element; 411. Ninth connecting hole; 420. Second connecting element; 421. Tenth connecting hole; 422. Eleventh connecting hole; 430. First locking element; 431. Pin; 432. First sliding groove; 433. First limiting hole; 434. Eccentric cam; 435. First threaded hole; 440. Third limiting element; 441. Limiting pin; 442. Limiting flange; 450. Fourth limiting element; 451. Spring cover ; 452, Twelfth connecting hole; 460, Second elastic element; 470, Second operating element; 480, Third operating element; 481, First handle; 482, Thirteenth connecting hole; 490, Locking screw; 500, Connecting lock; 510, Third connecting element; 511, Slot; 520, First mounting element; 521, Third sliding hole; 522, Third connecting part; 523, Fourteenth connecting hole; 530, Fourth operating element; 531, Second limiting part; 532, Third limiting part; 533, Fourth connecting part; 534, Fifteenth connecting hole; 535, Eccentric hole; 540, Fourth connecting element; 541, Sixteenth connecting hole; 542, Seventeenth connecting hole; 550, Fifth connecting element; 551, Insertion part; 552 553. Inclined surface; 554. First groove; 555. Transmission part; 556. Eighteenth connecting hole; 567. First rotating shaft; 568. Second rotating shaft; 569. Third rotating shaft; 600. Third connecting structure; 610. Second mounting part; 611. Second sliding groove; 612. First through hole; 613. Second through hole; 614. Second mounting hole; 620. Sliding part; 621. Third sliding groove; 622. First limiting groove; 623. Second limiting groove; 624. Hook groove; 625. First positioning part; 630. Sixth connecting part; 640. Fifth limiting part; 641. Fourth limiting part; 642. Fifth limiting part; 643. Seventh limiting part; 644. Operating part; 650. Seventh connecting part; 651. Sixth limiting part;660. Third elastic element; 670. Sixth limiting element; 681. Seventh limiting element; 682. Fourth elastic element; 683. Positioning ball; 690. Operating handle; 710. Third mounting part; 711. Second positioning part; 712. Releasing boss; 720. Eighth connecting part; 730. Second handle; 740. Return spring; 750. Safety buckle; 751. Hook; 760. Drive spring; 800. Fourth connecting structure; 810. First lifting lock module; 811. Ninth connecting part; 8111. Locking part; 8112. Limiting section; 8113. Cylindrical section; 812. Second screw; 820. Second lifting lock module; 821. Tenth connecting part 8211. Mounting through hole; 8212. First flange; 8213. Internal thread; 8214. Eighth limiting part; 8215. Toothed groove; 822. Second locking part; 8221. First opening; 8222. Locking cavity; 8223. External thread; 8224. Limiting groove; 8225. Second opening; 823. Eleventh connecting part; 8231. Stepped hole; 8232. Stepped surface; 824. Fifth operating part; 8241. Limiting boss; 8242. Third threaded hole; 825. Washer; 8251. Nineteenth connecting hole; 826. First screw; 827. Second locking assembly; 8271. Button latch; 8272. Tension spring. Detailed Implementation

[0036] To make the above-mentioned objectives, features, and advantages of this application more apparent and understandable, the specific embodiments of this application are described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a thorough understanding of this application. However, this application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this application. Therefore, this application is not limited to the specific embodiments disclosed below.

[0037] like Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, in one embodiment, a frame body 300 and a first connecting mechanism are provided. The frame body 300 includes a main frame 310 and a reinforcing frame 320. The main frame 310 is provided with a clearance hole 311. One end of the reinforcing frame 320 is rotatably connected to an inner sidewall of the clearance hole 311, and the other end is provided with a first connecting structure. The first connecting structure is used to detachably connect to the other inner sidewall of the clearance hole 311 and apply a tension force to the main frame 310.

[0038] The first connecting mechanism is mounted on the main frame 310 and is used to detachably connect the part to be installed to the main frame 310.

[0039] In the above embodiment, the mounting bracket is placed on the back of the housing 100, with the clearance hole 311 located in the middle of the back of the housing 100. The power supply component can be installed in the middle of the back of the housing 100 and located within the main frame 310. Then, the bracket body 300 is connected to the housing 100 using the first connecting mechanism to achieve the assembly of the display unit. When maintenance of the power supply component is required, the detachable connection between the first connecting structure and the main frame 310 is released, allowing the reinforcing frame 320 to rotate relative to the main frame 310 to avoid the power supply component. This ensures that the power supply component does not interfere with the reinforcing frame 320 during maintenance, improving the practicality of the bracket body 300. After the power supply component maintenance is completed, the reinforcing frame 320 rotates to a preset position, allowing the first connecting structure to be detachably reconnected to the main frame 310 and applying a tension force to the main frame 310. This allows the reinforcing frame 320 to pull the two ends of the main frame 310 towards the middle, increasing the overall strength of the main frame 310 and improving the reliability of the mounting bracket. In addition, the frame body 300 can strengthen the structural strength of the cabinet 100, meet the requirements of the display unit to achieve a higher hoisting height, and improve the practicality of the display unit.

[0040] The component to be installed can be an LED display screen, a display panel, or other mounting structure. This application uses the component to be installed as an example of an LED display screen for illustration, and should not be construed as a limitation of this application. Specifically, in this embodiment, when both the power supply component and the mounting bracket are installed on the back of the housing 100, the projection area of ​​the power supply component is located within the projection area of ​​the clearance hole 311 along the axial direction of the clearance hole 311.

[0041] The first connection structure 330 can be equipped with a snap-fit ​​component, a plug-in component, a fastening component, a hook-fit component, or other structures. Specifically, in this embodiment, the power supply component can be configured as a power supply box, which is installed at the power supply installation position 200.

[0042] like Figure 3 , Figure 5 and Figure 6As shown, further, a first connecting hole 312 is provided on the other inner sidewall of the clearance hole 311. The first connecting structure 330 includes a telescopic pivot 331, which is movably mounted on the reinforcing frame 320. When the reinforcing frame 320 rotates relative to the main frame 310 to a first preset position, the telescopic pivot 331 can extend into the first connecting hole 312 and press against the inner sidewall of the first connecting hole 312 near the clearance hole 311. Thus, by controlling the movement of the telescopic pivot 331 relative to the first connecting hole 312, the telescopic pivot 331 can correspondingly connect the reinforcing frame 320 and the main frame 310 and maintain a locked state, or correspondingly release the connection between the reinforcing frame 320 and the main frame 310 and maintain an unlocked state, thereby improving the convenience and efficiency of power supply component maintenance.

[0043] The first preset position refers to the position of the reinforcing frame 320 relative to the main frame 310 when the telescopic shaft 331 can freely extend into or out of the first connecting hole 312 along the axial direction of the telescopic shaft 331.

[0044] like Figure 4 , Figure 5 and Figure 6 As shown, optionally, the end of the telescopic pivot 331 near the first connecting hole 312 is configured as an eccentric round shaft end 3311. The eccentric round shaft end 3311 is eccentrically positioned with respect to the first connecting hole 312. When the eccentric round shaft end 3311 extends into the first connecting hole 312, it has a clearance fit with the first connecting hole 312. When the eccentric round shaft end 3311 extends into the second preset position within the first connecting hole 312, it has an interference fit with the first connecting hole 312, thereby pressing against the inner wall of the first connecting hole 312 near the clearance hole 311. In this way, during the process of the eccentric round shaft end 3311 extending into the second preset position, the eccentric round shaft end 3311 and the first connecting hole 312 can gradually transition from a clearance fit to an interference fit, improving the ease of use of the mounting bracket 100.

[0045] Specifically, in this embodiment, when the eccentric circular shaft end 3311 extends into the first connecting hole 312, a gap is formed between the eccentric circular shaft end 3311 and the inner wall of the first connecting hole 312 near the clearance hole 311. As the telescopic rotating shaft 331 continues to extend into the first connecting hole 312, the gap gradually decreases until the eccentric circular shaft end 3311 extends into the second preset position within the first connecting hole 312, at which point the eccentric circular shaft end 3311 presses against the inner wall of the first connecting hole 312 near the clearance hole 311. In other embodiments, the end of the telescopic rotating shaft 331 away from the first connecting hole 312 is set as a perfectly round shaft end, which can maintain its rotation around the central axis.

[0046] like Figure 3 , Figure 5 and Figure 6 As shown, in one embodiment, the reinforcing frame 320 is provided with a second connecting hole 321 corresponding to the first connecting hole 312. The outer wall of the telescopic shaft 331 is provided with a sliding part (not shown). The sliding part slides in a spiral pattern with the inner wall of the second connecting hole 321. The first connecting structure 330 also includes a first operating member 332. The first operating member 332 is in a transmission engagement with the end of the telescopic shaft 331 away from the first connecting hole 312, so as to drive the telescopic shaft 331 to extend into or move out of the first connecting hole 312. In this way, the first operating member 332 can drive the telescopic shaft 331 to rotate, and under the guidance of the sliding part, the telescopic shaft 331 makes a spiral motion. Thus, by rotating the first operating member 332 in different directions and angles, the telescopic shaft 331 can be extended and retracted, improving the convenience of using the frame body 300.

[0047] In other embodiments, the telescopic shaft 331 can also be driven by hydraulic, pneumatic, telescopic motor or other means, as long as the telescopic shaft 331 can be inserted into the first connecting hole 312 and squeeze the inner sidewall of the first connecting hole 312 near the avoidance hole 311.

[0048] The first operating component 332 can be a control handle, operating knob, operating wrench, or other operating structure. Specifically, in this embodiment, the eccentric round shaft end 3311 can cooperate with the first connecting hole 312 to realize the function of opening and closing the reinforcing frame 320 relative to the main frame 310.

[0049] like Figure 3 , Figure 5 and Figure 6 As shown, optionally, the sliding part is configured as a spiral groove, and the reinforcing frame 320 is also provided with a third connecting hole 322, which extends to the inner wall of the second connecting hole 321. The first connecting structure 330 also includes a first limiting member 333, which passes through the third connecting hole 322 and slides in cooperation with the spiral groove. In this way, the first limiting member 333 and the spiral groove can cooperate to play a guiding role, ensuring that the telescopic rotating shaft 331 can perform spiral movement to correspondingly extend into or move out of the first connecting hole 312, thereby improving the reliability of the frame body 300.

[0050] In this specific embodiment, the first limiting member 333 is set as a first limiting screw.

[0051] like Figure 3 , Figure 5 and Figure 6As shown, in one embodiment, the reinforcing frame 320 has two first connecting portions 323 spaced apart at one end near the first operating member 332. Each of the two first connecting portions 323 has a second connecting hole 321. There are two first connecting holes 312 and two telescopic pivots 331. The first operating member 332 is positioned between the two first connecting portions 323 and is correspondingly connected to the two telescopic pivots 331. The two telescopic pivots 331 are correspondingly positioned with the two first connecting holes 312 and the two second connecting holes 321. Thus, the reinforcing frame 320 can lock into the main frame 310 on both sides through the two telescopic pivots 331, resulting in a more uniform distribution of the tension force exerted by the reinforcing frame 320 on the main frame 310, thereby improving the reliability of the frame body 300.

[0052] like Figure 3 , Figure 5 and Figure 6 As shown, the first operating member 332 is further provided with a fourth connecting hole 3321 corresponding to the second connecting hole 321 and a fifth connecting hole 3322 corresponding to and communicating with the fourth connecting hole 3321. The end of the telescopic rotating shaft 331 near the first operating member 332 extends into the fourth connecting hole 3321 and is provided with a first sliding hole 3312 corresponding to the fifth connecting hole 3322. The first sliding hole 3312 is arranged along the axial direction of the telescopic rotating shaft 331. The first connecting structure 330 also includes a first pin 334, which passes through the fifth connecting hole 3322 and the first sliding hole 3312 and slides with the first sliding hole 3312. Thus, the first pin 334 can restrict the telescopic shaft 331 from rotating relative to the first operating member 332, while the telescopic shaft 331 can slide relative to the first pin 334 through the first sliding hole 3312 along the axial direction of the telescopic shaft 331, ensuring that while the first operating member 332 is rotating, the telescopic shaft 331 will rotate synchronously with the first operating member 332 and extend and retract along the axial direction of the telescopic shaft 331 to correspondingly extend into or move out of the first connecting hole 312, thereby improving the ease of use of the frame body 300.

[0053] like Figure 3 , Figure 5 and Figure 6 As shown, in one embodiment, the frame body 300 further includes a first locking assembly 340. When the telescopic pivot 331 extends into the first connecting hole 312 and presses against the inner wall of the first connecting hole 312 near the clearance hole 311, the first locking assembly 340 engages with the first operating member 332 to restrict the rotation of the first operating member 332. Thus, the first locking assembly 340 can limit the position of the first operating member 332 relative to the reinforcing frame 320, ensuring that the reinforcing frame 320 can maintain a state of pulling the main frame 310 towards the center, thereby improving the reliability and stability of the frame body 300.

[0054] The first locking component 340 can be configured as a locking buckle, locking clamp, locking fixture or other locking structure.

[0055] like Figure 3 , Figure 5 and Figure 6 As shown, optionally, the first operating member 332 is provided with a first limiting part 3323, and the reinforcing frame 320 is also provided with a first mounting hole 324 and a second sliding hole 325 at one end near the first operating member 332. The second sliding hole 325 extends to the inner wall of the first mounting hole 324 and is arranged along the axial direction of the first mounting hole 324. The first locking assembly 340 includes a first elastic member 341, a first latch 342 and an unlocking member 343. The first elastic member 341 and the first latch 342 are both installed in the first mounting hole 324. The first elastic member 341 is located in the first... A latch 342 is located away from the first limiting part 3323 and is used to push the first latch 342 to move in a direction close to the first limiting part 3323, so that the first latch 342 can be limited and engaged with the first limiting part 3323 to restrict the rotation of the first operating member 332. The unlocking member 343 is inserted through the second sliding hole 325 and is connected to the first latch 342 in a transmission manner. The unlocking member 343 is used to drive the first latch 342 to move in a direction away from the first limiting part 3323, so that the limiting engagement between the first latch 342 and the first limiting part 3323 can be released.

[0056] Specifically, in this embodiment, the first elastic element 341 is configured as a spring, and the first locking assembly 340 further includes a retaining ring 344. The retaining ring 344 is located on the side of the spring away from the first latch 342 and engages with the spring to ensure that the spring is confined within the first mounting hole 324 and can be compressed. The first latch 342 is provided with a first threaded hole 435 extending along the axial direction of the first mounting hole 324, and the outer side wall of the first latch 342 is provided with a first insertion hole corresponding to and communicating with the first threaded hole 435. The unlocking element 343 is configured as an unlocking button. One end of the unlocking button passes through the second sliding hole 325 and the first insertion hole and extends into the first threaded hole 435. The other end of the unlocking button is provided with a second insertion hole corresponding to and communicating with the first threaded hole 435. The unlocking assembly also includes a connecting screw 345, which passes through the second insertion hole and is threadedly connected to the first threaded hole 435, so that the unlocking button and the first latch 342 are fixed together, improving the reliability of the frame body 300.

[0057] like Figure 3 , Figure 4 and Figure 7As shown, in one embodiment, the frame body 300 further includes a fixed rotating shaft 351 and a second limiting member 352. The end of the reinforcing frame 320 away from the first connecting structure 330 is provided with a sixth connecting hole 326 and a seventh connecting hole 327. The seventh connecting hole 327 extends to the inner sidewall of the sixth connecting hole 326. An inner sidewall of the clearance hole 311 is provided with an eighth connecting hole 313 corresponding to the sixth connecting hole 326. One end of the fixed rotating shaft 351 extends into the sixth connecting hole 326 and rotates with the sixth connecting hole 326. The other end extends into the eighth connecting hole 313 and rotates with the eighth connecting hole 313. The outer sidewall of the fixed rotating shaft 351 is also provided with an annular groove 3511 corresponding to the seventh connecting hole 327. The second limiting member 352 passes through the seventh connecting hole 327 and is limited and engaged with the inner sidewall of the annular groove 3511. In this way, the reinforcing frame 320 can be hinged to the main frame 310 via the fixed rotation shaft 351, allowing the reinforcing frame 320 to rotate relative to the main frame 310. This ensures the strength of the frame body 300 without affecting the maintenance of the power supply components, thus improving the practicality of the frame body 300.

[0058] Specifically, in this embodiment, the distance between the central axis of the fixed rotating shaft 351 and the central axis of the telescopic rotating shaft 331 is the first distance, and the distance between the central axis of the first connecting hole 312 and the central axis of the eighth connecting hole 313 is the second distance. The first distance is smaller than the second distance. In this way, it is ensured that the two ends of the reinforcing frame 320 can correspondingly tighten the two ends of the main frame 310, so that the main frame 310 is in a state of being pulled towards the middle, thereby improving the overall strength and reliability of the frame body 300.

[0059] like Figure 3 and Figure 7 As shown, optionally, two second connecting portions 328 are provided at intervals at the end of the reinforcing frame 320 away from the first operating member 332. Each of the two second connecting portions 328 is provided with a sixth connecting hole 326 and a seventh connecting hole 327. There are two eighth connecting holes 313, two fixed rotating shafts 351, and two second limiting members 352. The two fixed rotating shafts 351 are correspondingly arranged with the two sixth connecting holes 326, the two seventh connecting holes 327, the two eighth connecting holes 313, and the two second limiting members 352. The second limiting members 352 are configured as second limiting screws. In this way, the reinforcing frame 320 is rotatably connected to the main frame 310 on both sides through the two fixed rotating shafts 351, making the tension force distribution of the reinforcing frame 320 on the main frame 310 more uniform and improving the reliability of the frame body 300.

[0060] like Figure 1 As shown, in one embodiment, the first connecting mechanism includes a second connecting structure 400 for detachably connecting the component to be installed to the main frame 310.

[0061] like Figure 1 , Figure 8 and Figure 9 As shown, specifically, the second connection structure 400 includes a first connector 410, a second connector 420, and a first locking member 430. One of the first connector 410 and the second connector 420 is installed on the component to be installed, and the other is installed on the main frame 310. The first connector 410 has a ninth connection hole 411; the second connector 420 has a tenth connection hole 421 corresponding to the ninth connection hole 411; the first locking member 430 passes through the tenth connection hole 421 and slides in a spiral direction with the second connector 420, so that the first locking member 430 can extend into the ninth connection hole 411 to lock the first connector 410 and the second connector 420 in a locked engagement. In this specific embodiment, one of the first connector 410 and the second connector 420 is installed on the housing 100.

[0062] In the second connection structure 400 described above, when it is necessary to lock the first connector 410 and the second connector 420 together, the locking member is rotated, allowing it to spiral relative to the second connector 420 and extend into the ninth connection hole 411, thereby locking the first connector 410 and the second connector 420 together. When it is necessary to release the locking between the first connector 410 and the second connector 420, the locking member is rotated in the opposite direction to reset, allowing it to spiral relative to the second connector 420 and move out of the ninth connection hole 411, separating the locking member from the first connector 410. Compared to existing connection and fixing methods, the locking member in this application can cooperate with the first connector 410 to form a pin 431 structure, improving the convenience of disassembly and maintenance of the second connection structure 400 and saving labor. In addition, the force direction of the pin 431 structure is radial. Under the same material and diameter conditions, the connection strength between the locking member and the first connecting member 410 is higher, which improves the reliability and safety of the second connecting structure 400.

[0063] The number of the second connecting structures 400 can be flexibly adjusted according to actual needs. In this embodiment, there are four second connecting structures 400. The four first connecting parts 410 are respectively installed on the left and right sides of the back of the housing 100, and the four second connecting parts 420 are respectively installed on the left and right sides of the main frame 310.

[0064] Optionally, both the first connector 410 and the second connector 420 can be configured as connector bases. There are four second connection structures 400: four first connectors 410 are spaced apart and installed on the back of the housing 100; four second connectors 420 are spaced apart and installed on the main frame 310; and the four first connectors 410 correspond to the four locking members and the four second connectors 420. Thus, by pre-fixing the first connectors 410 and the second connectors 420 to the housing 100 and the main frame 310 respectively, it is ensured that when the display unit is in use, the main frame 310 can be stably and reliably fixed to the housing 100 via the second connection structures 400. When the display unit needs to be disassembled, the main frame 310 can be quickly and easily separated from the housing 100 via the second connection structures 400, improving the practicality of the display unit.

[0065] like Figure 8 and Figure 9 As shown, optionally, the locking element is a pin 431. The outer wall of the pin 431 is provided with a first groove 432, which extends along a spiral direction. The outer wall of the second connector 420 is provided with an eleventh connecting hole 422 that corresponds to and communicates with the tenth connecting hole 421. The second connecting structure 400 also includes a third limiting element 440, which passes through the eleventh connecting hole 422 and slides in cooperation with the first groove 432. In this way, the third limiting element 440 can cooperate with the first groove 432 to play a guiding role, ensuring that the pin 431 can stably and reliably perform spiral movement relative to the tenth connecting hole 421, thereby improving the reliability and stability of the second connecting structure 400.

[0066] like Figure 9 As shown, in one embodiment, the bottom wall of the first groove 432 is provided with a first limiting hole 433. When the locking member extends into the ninth connecting hole 411 to lock the first connecting member 410 and the second connecting member 420 together, the third limiting member 440 is inserted into the first limiting hole 433 and engages with the inner wall of the first limiting hole 433. Thus, the third limiting member 440 can engage with the first limiting hole 433 to restrict the movement of the pin 431 relative to the second connecting member 420, ensuring that the first connecting member 410 and the second connecting member 420 maintain a locking engagement, thereby improving the reliability of the second connecting structure 400.

[0067] like Figure 8 and Figure 9As shown, the second connecting structure 400 further includes a fourth limiting member 450 and a second elastic member 460. The fourth limiting member 450 covers the eleventh connecting hole 422 and has a twelfth connecting hole 452 corresponding to and communicating with the eleventh connecting hole 422. The third limiting member 440 is configured as a limiting pin 441. The outer wall of the limiting pin 441 has a limiting flange 442. One end of the limiting pin 441 is slidably engaged with the first sliding groove 432, and the other end passes through the eleventh connecting hole 422 and the twelfth connecting hole 452. The second elastic member 460 is sleeved on the outer wall of the limiting pin 441, and both ends of the second elastic member 460 are respectively engaged with the limiting flange 442 and the fourth limiting member 450. In this way, the second elastic member 460 can apply an elastic force to the limiting pin 441, ensuring that the limiting pin 441 can be stably and reliably inserted into the first limiting hole 433, thereby improving the reliability of the second connecting structure 400.

[0068] Specifically, in this embodiment, when the limiting pin 441 is inserted into the first limiting hole 433, the limiting flange 442 abuts against the outer wall of the pin 431. The second elastic member 460 is configured as a spring, and the fourth limiting member 450 is configured as a spring cover 451, which covers the end of the eleventh connecting hole 422 away from the tenth connecting hole 421.

[0069] like Figure 9 As shown, optionally, the second connecting structure 400 further includes a second operating member 470, which is located on the side of the fourth limiting member 450 away from the second connecting member 420 and is kinetically connected to the limiting pin 441. Thus, the limiting pin 441 can be pulled out of the first limiting hole 433 by the second operating member 470, thereby releasing the limiting fit between the limiting pin 441 and the first limiting hole 433, and allowing it to slide along the extending direction of the first sliding groove 432 to release the locking fit between the first connecting member 410 and the second connecting member 420, improving the ease of use of the second connecting structure 400.

[0070] In this specific embodiment, the second operating member 470 is set as a pull button, the pull button is provided with a slot 511, and the end of the limiting pin 441 away from the plug 431 is inserted into the slot 511.

[0071] like Figure 8 and Figure 9As shown, in one embodiment, the bottom wall of the first slide groove 432 is provided with a second limiting hole. When the locking member moves out of the ninth connecting hole 411 to release the locking engagement between the first connecting member 410 and the second connecting member 420, the third limiting member 440 is inserted into the second limiting hole and engages with the inner sidewall of the second limiting hole. Thus, during the installation of the second connecting member 420, the limiting pin 441 can engage with the second limiting hole to limit movement, ensuring that the pin 431 does not move relative to the second connecting member 420, preventing interference between the pin 431 and surrounding components, and improving the convenience of the second connecting structure 400.

[0072] Specifically, in this embodiment, along the axial direction of the pin 431, the projected area of ​​the first groove 432 is a quarter ring, meaning the pin 431 performs a quarter spiral motion relative to the second connector 420. The first limiting hole 433 and the second limiting hole are respectively disposed at both ends of the first groove 432. When it is necessary to lock the first connector 410 and the second connector 420 together, the second operating member 470 is pulled up, causing the second elastic member 460 to be compressed. The second operating member 470 drives the limiting pin 441 to move and pull out of the second limiting hole, and then drives the pin 431 to rotate, so that the limiting pin 441 can slide from one end of the first groove 432 to the other end. The pin 431 extends into the ninth connecting hole 411, and the second elastic member 460 resets to drive the limiting pin 441 to insert into the first limiting hole 433, thereby keeping the first connector 410, the pin 431, and the second connector 420 fixed as one unit. When it is necessary to release the locking engagement between the first connector 410 and the second connector 420, the second operating member 470 is pulled up, which compresses the second elastic member 460. The second operating member 470 drives the limiting pin 441 to move out of the first limiting hole 433, and then drives the pin 431 to rotate in the opposite direction. This causes the limiting pin 441 to slide from the end of the first groove 432 near the first limiting hole 433 to the end of the first groove 432 near the second limiting hole. The pin 431 moves out of the ninth connecting hole 411, and the second elastic member 460 resets to drive the limiting pin 441 to insert into the second limiting hole. This separates the pin 431 from the first connector 410 and fixes it to the second connector 420.

[0073] like Figure 9As shown, in one embodiment, an eccentric cam 434 is provided at the end of the locking member near the first connecting member 410. The eccentric cam 434 is eccentrically positioned with respect to the ninth connecting hole 411, such that when the eccentric cam 434 extends into the ninth connecting hole 411, the eccentric cam 434 and the ninth connecting hole 411 are in a clearance fit; when the eccentric cam 434 extends into a preset position within the ninth connecting hole 411, the eccentric cam 434 and the ninth connecting hole 411 are in an interference fit. Thus, during the process of the eccentric cam 434 extending into the preset position within the ninth connecting hole 411, the eccentric cam 434 and the ninth connecting hole 411 can gradually transition from a clearance fit to an interference fit, improving the ease of use of the second connecting structure 400.

[0074] Specifically, in this embodiment, when the eccentric cam 434 extends into the ninth connecting hole 411, a gap is formed between the eccentric cam 434 and the inner wall of the ninth connecting hole 411. As the eccentric cam 434 continues to extend into the ninth connecting hole 411, the gap gradually decreases until the eccentric cam 434 extends into the preset position inside the ninth connecting hole 411. At this point, the eccentric cam 434 and the ninth connecting hole 411 are pressurized to squeeze the inner wall of the ninth connecting hole 411.

[0075] like Figure 9 As shown, in one embodiment, the second connection structure 400 further includes a third operating member 480, which is connected to the end of the locking member away from the first connecting member 410, so as to withstand the torque that causes the locking member to rotate relative to the second connecting member 420. Thus, the third operating member 480 can control the insertion or removal of the pin 431 into or out of the ninth connection hole 411, improving the convenience of the second connection structure 400.

[0076] The third operating component 480 can be configured as an operating knob, operating handle, operating wrench, or other operating structure.

[0077] like Figure 8 and Figure 9 As shown, optionally, the locking member has a second threaded hole at the end away from the first connecting member 410, and the third operating member 480 is configured as a first handle 481. The first handle 481 has a thirteenth connecting hole 482 corresponding to the second threaded hole. The second connecting structure 400 also includes a locking screw 490, which passes through the thirteenth connecting hole 482 and is threadedly connected to the second threaded hole to lock the first handle 481 and the locking member. In this way, the first handle 481 can be fixed to the pin 431 as one piece by the locking screw 490, ensuring that the first handle 481 can drive the pin 431 to rotate, thus improving the reliability of the second connecting structure 400.

[0078] like Figure 10 , Figure 11 and Figure 12As shown, in one embodiment, the first connecting mechanism further includes a connecting lock 500, which is spaced apart from the second connecting structure 400. The connecting lock 500 also includes a third connecting member 510, a first mounting member 520, a fourth operating member 530, a fourth connecting member 540, and a fifth connecting member 550. The third connecting member 510 is mounted on the part to be installed, the first mounting member 520 is mounted on the main frame 310, the fourth operating member 530 is rotatably connected to the first mounting member 520, one end of the fourth connecting member 540 is rotatably connected to the fourth operating member 530, and the other end is rotatably connected to the fifth connecting member 550. The axis of rotation of the fourth operating member 530 relative to the first mounting member 520 is spaced apart from the axis of rotation of the fourth connecting member 540 relative to the fourth operating member 530. The fifth connecting member 550 is slidably engaged with the first mounting member 520 and detachably connected to the third connecting member 510. Specifically, in this embodiment, the third connecting member 510 is mounted on the housing 100.

[0079] In the above embodiment, the mounting bracket is used by mounting the third connector 510 on the back of the housing 100 and mounting the first connector 520 on the side wall of the main frame 310. The fourth operating member 530, the fourth connector 540, and the fifth connector 550 cooperate to form a crank connection structure, allowing the fifth connector 550 to slide and extend relative to the first connector 520, so as to be detachably connected to the third connector 510. When it is necessary to fix the housing 100 to the main frame 310, the fourth operating member 530 is driven to rotate relative to the first connector 520, so that the fourth operating member 530 drives the fifth connector 550 to slide and extend in a direction close to the third connector 510 through the fourth connector 540, and the fifth connector 550 is detachably connected to the third connector 510 as a whole. When it is necessary to separate the housing 100 from the main frame 310, the fourth operating member 530 is driven to rotate in the opposite direction relative to the first mounting member 520. This causes the fourth operating member 530 to drive the fifth connecting member 550 to slide and retract away from the third connecting member 510 via the fourth connecting member 540, thereby releasing the detachable connection between the fifth connecting member 550 and the third connecting member 510. This application achieves the sliding extension and retraction of the fifth connecting member 550 by controlling the rotation direction of the fourth operating member 530. This allows the fifth connecting member 550 to slide out and be detachably connected to the third connecting member 510 via a plug-in method, or it allows the fifth connecting member 550 to slide and retract, releasing the detachable connection between the fifth connecting member 550 and the third connecting member 510. The structure is safe and reliable, easy to disassemble and maintain, saves labor, and has high connection efficiency, improving the reliability and practicality of the mounting bracket.

[0080] The third connector 510 can be fixed to the back of the housing 100 by snap-fit, plug-in, screw-fit, riveting, welding, or other fixing methods. The first mounting member 520 can be fixed to the side of the housing 100 by snap-fit, plug-in, screw-fit, riveting, welding, or other fixing methods. In other embodiments, the third connector 510 can also be mounted on the main frame 310, and the first mounting member 520 can be correspondingly mounted on the back of the housing 100. The connecting lock 500 can also be applied to other detachable connection structures.

[0081] The number of connecting locks 500 can be flexibly adjusted according to actual needs. Specifically, in this embodiment, there are two connecting locks 500. The two first connecting parts 410 are respectively installed on the upper and lower sides of the back of the housing 100. The first mounting part 520, the fourth operating part 530, the fourth connecting part 540 and the fifth connecting part 550 cooperate to form a lock assembly. The two lock assemblies are correspondingly installed on the upper and lower sides of the main frame 310.

[0082] like Figure 12 As shown, optionally, the first mounting member 520 is provided with a third sliding hole 521, and the fifth connecting member 550 passes through the third sliding hole 521 and slides in cooperation with the third sliding hole 521. In this way, the mounting base can guide the fifth connecting member 550, ensuring that the fifth connecting member 550 can slide along the axial direction of the sliding hole to approach or move away from the third connecting member 510, thereby improving the reliability of the connecting lock 500.

[0083] like Figure 11 and Figure 12 As shown, in one embodiment, the outer wall of the third connector 510 is provided with a slot 511, and the fifth connector 550 is provided with a plug portion 551 at one end near the third connector 510. When the fourth operating member 530 is rotated to the locked position, the plug portion 551 is inserted into the slot 511 to make the plug portion 551 and the slot 511 have an interference fit. When the fourth operating member 530 is rotated to the unlocked position, the plug portion 551 is removed from the slot 511 to release the interference fit between the plug portion 551 and the slot 511. In this way, the plug portion 551 and the inner wall of the slot 511 are in surface contact to increase their contact area, thereby increasing the connection strength between the fifth connector 550 and the third connector 510 and improving the reliability of the connection lock 500.

[0084] like Figure 11As shown in Figure 12, optionally, the side wall of the insertion part 551 for interference fit with the slot 511 is provided with a bevel 552. The bevel 552 is located on the side of the insertion part 551 near the third connector 510 and is inclined towards the inner side of the insertion part 551. Thus, during the insertion of the insertion part 551 into the slot 511, the bevel 552 is spaced apart from the inner side wall of the slot 511 to provide a guiding function, ensuring that the insertion part 551 can be smoothly inserted into the slot 511 and interference fit with the slot 511. When the insertion part 551 is inserted into the slot 511, the side wall of the insertion part 551 with the bevel 552 is correspondingly interference fit with the slot 511, so that the fifth connector 550 can be detachably connected to the third connector 510 through the insertion part 551, improving the convenience of the connection lock 500.

[0085] like Figure 12 As shown, in one embodiment, the plug portion 551 has a first groove 553 on the side near the third connector 510. The two ends of the first groove 553 extend to the two opposite sidewalls of the plug portion 551. When the fourth operating member 530 is rotated to the locked position, the bottom wall of the slot 511 is press-fitted with the first groove 553. Thus, the fifth connector 550 has a Y-shaped pin 431 structure, so that the plug portion 551 and the third connector 510 are subjected to both axial force and shear force, changing the connection direction of the connector lock 500 to adapt to different connection environments and improving the applicability of the connector lock 500.

[0086] Specifically, in this embodiment, the third connector 510 includes a connecting boss and a screw body. The outer diameter of the connecting boss is larger than the outer diameter of the screw body. The connecting boss is connected to one end of the screw body to form a slot 511. The first groove 553 is set in a semi-cylindrical shape. When the fourth operating member 530 is rotated to the locked position, the side of the insertion part 551 with the inclined surface 552 is press-fitted with the slot 511 (i.e. the connecting boss), and the screw body is press-fitted with the first groove 553.

[0087] Optionally, the axis of rotation of the fourth operating member 530 relative to the first mounting member 520 is set as the first axis, the axis of rotation of the fourth connecting member 540 relative to the fourth operating member 530 is set as the second axis, and the axis of rotation of the fifth connecting member 550 relative to the fourth connecting member 540 is set as the third axis. When the first axis, second axis, and third axis are located in the same plane, the position of the second axis is set as the dead point position. When the fourth operating member 530 rotates to the locked position, the second axis will pass through the dead point position. Thus, during the process of the fourth operating member 530 rotating from the unlocked position to the locked position, the second axis will pass through the dead point position. When the fourth operating member 530 rotates to the locked position, the fifth connecting member 550 is interference-fitted with the first connecting member, so that the third connecting member 510 can apply a reaction force to the fifth connecting member 550, thereby enabling the fourth operating member 530 to achieve a self-holding locking function when it is not rotating, improving the reliability of the connection lock 500.

[0088] like Figure 12 As shown, in one embodiment, the fourth operating member 530 is provided with a second limiting part 531. When the fourth operating member 530 rotates to the locked position, the second limiting part 531 engages with the first mounting member 520 to limit the movement. In this way, the second limiting part 531 can play a limiting role, ensuring that the fourth operating member 530 can rotate to the locked position quickly and reliably, improving the convenience of connecting the lock 500.

[0089] like Figure 12 As shown, optionally, the fourth operating member 530 is provided with a third limiting part 532. When the fourth operating member 530 is rotated to the unlock position, the third limiting part 532 engages with the first mounting member 520 to limit the movement. In this way, the third limiting part 532 can play a limiting role, ensuring that the fourth operating member 530 can be rotated to the unlock position quickly and reliably, improving the convenience of connecting the lock 500.

[0090] Optionally, the second limiting part 531 is configured as the first limiting boss 8241, and the third limiting part 532 is configured as the second limiting boss 8241. The surface of the first limiting boss 8241 used for limiting cooperation with the first mounting member 520 and the surface of the second limiting boss 8241 used for limiting cooperation with the first mounting member 520 are arranged at an angle. Specifically, in this embodiment, the surface of the first limiting boss 8241 used for limiting cooperation with the first mounting member 520 and the surface of the second limiting boss 8241 used for limiting cooperation with the first mounting member 520 are arranged perpendicularly to limit the fourth operating member 530 to rotate within a 90° range on the first mounting member 520.

[0091] like Figure 11 and Figure 12As shown, in one embodiment, the first mounting member 520 is provided with two third connecting portions 522 spaced apart, and the fourth operating member 530 is provided with two fourth connecting portions 533 spaced apart. Both fourth connecting portions 533 are located between the two third connecting portions 522 and are rotatably engaged with them. The fourth connecting member 540 and the fifth connecting member 550 are both located between the two fourth connecting portions 533. Thus, the first mounting member 520, the fourth operating member 530, the fourth connecting member 540, and the fifth connecting member 550 are arranged in a concentrated manner, resulting in a smaller lock module size, ensuring that the lock module can be installed in a smaller space and improving the applicability of the connecting lock 500. Furthermore, the number of third connecting portions 522 and fourth connecting portions 533 are both two and rotatably connected, increasing the connection strength between the first mounting member 520 and the fourth operating member 530, thereby improving the reliability of the connecting lock 500.

[0092] like Figure 12 As shown, optionally, the end of the fifth connector 550 furthest from the third connector 510 is provided with a transmission part 554. There are two fourth connectors 540, symmetrically arranged on both sides of the transmission part 554. One end of each fourth connector 540 is rotatably engaged with one of the two fourth connectors 533, and the other end of each fourth connector 540 is rotatably engaged with the transmission part 554. Thus, by increasing the number of fourth connectors 540, the connection area between the fourth connector 540 and the fourth operating member 530, as well as the connection area between the fourth connector 540 and the fifth connector 550, are both increased. This ensures that the fourth operating member 530 can stably and reliably drive the fifth connector 550 to slide and extend / retract via the fourth connectors 540, improving the reliability of the locking lock 500.

[0093] Specifically, in this embodiment, the first mounting member 520 can be configured as a mounting base, the fourth operating member 530 can be configured as an operating handle, the fourth connecting member 540 can be configured as a connecting piece, and the fifth connecting member 550 can be configured as a top pin. The locking assembly includes a first rotating shaft 561, a second rotating shaft 562, and a third rotating shaft 563. Both third connecting parts 522 are provided with a fourteenth connecting hole 523, and both fourth connecting parts 533 are provided with a fifteenth connecting hole 534 corresponding to the fourteenth connecting hole 523. There are two first rotating shafts 561, which are respectively inserted through the two fourteenth connecting holes 523 and the two fifteenth connecting holes 534, so that the two fourth connecting parts 533 can be riveted to the two third connecting parts 522 via the two first rotating shafts 561. Both fourth connecting parts 533 are also provided with eccentric holes 535. One end of each of the two connecting pieces is provided with a sixteenth connecting hole 541 corresponding to the eccentric hole 535. The second rotating shaft 562 passes through the two eccentric holes 535 and the two sixteenth connecting holes 541, so that the two connecting pieces can be riveted to the two fourth connecting parts 533 through the second rotating shaft 562. The end of each of the two connecting pieces away from the operating handle is provided with a seventeenth connecting hole 542. The transmission part 554 of the top pin is provided with an eighteenth connecting hole 555 corresponding to the seventeenth connecting hole 542. The third rotating shaft 563 passes through the eighteenth connecting hole 555 and the two seventeenth connecting holes 542, so that the top pin can be riveted to the two connecting pieces through the third rotating shaft 563.

[0094] like Figure 1 and Figure 13 As shown, in one embodiment, the mounting bracket further includes a second connecting mechanism for detachably connecting two adjacent main frames.

[0095] like Figure 13 , Figure 14 and Figure 15 As shown, specifically, the second connecting mechanism includes a third connecting structure 600. The third connecting structure 600 includes a first connecting component and a second connecting component. The first connecting component and the second connecting component are respectively installed on opposite sides of the main frame 310. The first connecting component includes a second mounting member 610, a sliding member 620, a sixth connecting member 630, a fifth limiting member 640, and a seventh connecting member 650. The sliding member 620 is slidably engaged with the second mounting member 610. The sixth connecting member 630 is installed on the second mounting member 610. The fifth limiting member 640 and the seventh connecting member 650 are both sleeved on the outer side wall of the sixth connecting member 630. The seventh connecting member 650 is connected to the sixth connecting member 630 and is in a transmission engagement with the fifth limiting member 640, so that the fifth limiting member 640 is in a limiting engagement with the sliding member 620. The second connecting component includes a third mounting member 710 and an eighth connecting member 720. The eighth connecting member 720 is installed on the third mounting member 710 and is detachably connected to the sliding member 620.

[0096] In the above embodiment, the third connecting structure 600, when in use, involves rotating the sixth connecting member 630 in the unlocking direction to release the limiting engagement between the fifth limiting member 640 and the sliding member 620. Then, the sliding member 620 is driven to slide relative to the second mounting member 610 to a preset position. Next, the sixth connecting member 630 is rotated in the locking direction to re-limit the engagement between the fifth limiting member 640 and the sliding member 620, ensuring that when the sliding member 620 is connected to the third mounting member 710, the connection angle between the second mounting member 610 and the third mounting member 710 is a preset fixed angle. Compared to existing connecting structures, the sliding member 620 in this application can slide relative to the second mounting member 610 and is limited and fixed by the fifth limiting member 640, making the connection angle between the second mounting member 610 and the third mounting member 710 adjustable to meet the needs of different fixed angle connections and improving the applicability of the third connecting structure 600. In addition, the fifth limiting member 640 is driven by the sixth connecting member 630 and the seventh connecting member 650 to ensure that the fifth limiting member 640 can accurately and reliably limit the sliding member 620, and ensure that the sliding member 620 will not slide relative to the second mounting member 610 during use, thereby improving the reliability of the third connecting structure 600.

[0097] The unlocking direction is opposite to the locking direction. Specifically, in this embodiment, the unlocking direction is counterclockwise, and the locking direction is clockwise.

[0098] The number of third connecting structures 600 can be flexibly adjusted according to actual usage needs. Specifically, in this embodiment, there are two third connecting structures 600, with two first connecting components installed at an interval on one of the left and right sides of the main frame 310, and two second connecting components installed on the other of the left and right sides of the main frame 310.

[0099] The sixth connecting member 630 can be a bolt, screw, or other connecting structure with external threads 8223. The seventh connecting member 650 can be a nut, threaded sleeve, or other connecting structure with internal threads 8213, wherein the external threads 8223 and the internal threads 8213 can be threadedly connected.

[0100] Specifically, in this embodiment, the second mounting member 610 can be configured as a first mounting base. The third mounting member 710 can be configured as a second mounting base. The sliding member 620 is configured as a slider. The fifth limiting member 640 can be configured as a limiting ring. In other embodiments, the fifth limiting member 640 and the seventh connecting member 650 can also be an integral structure.

[0101] like Figure 14 , Figure 15 and Figure 16As shown, the second mounting member 610 further includes a second sliding groove 611 and a first through hole 612 that are interconnected. The sliding member 620 is slidably engaged with the second sliding groove 611, and the sliding member 620 has its own sliding direction (e.g., Figure 13 The third sliding groove 621 extends in the direction shown in E. The sixth connecting member 630 passes through the first through hole 612 and the third sliding groove 621 and slides in cooperation with the third sliding groove 621. The fifth limiting member 640 is located on the side of the seventh connecting member 650 near the sliding member 620. In this way, the sliding member 620 can slide in cooperation with both the second mounting member 610 and the sixth connecting member 630 at the same time, ensuring that the sliding member 620 can slide relative to the second mounting member 610 along a preset trajectory, thereby improving the reliability of the third connecting structure 600.

[0102] In this specific embodiment, the sliding direction of the slider 620 is set to an arc direction.

[0103] like Figure 14 , Figure 15 and Figure 16 As shown, optionally, one end of the sixth connector 630 is threadedly connected to the seventh connector 650, the seventh connector 650 is limited to the inner wall of the first through hole 612, and the other end of the sixth connector 630 is in contact with the second mounting member 610, so that the seventh connector 650 can drive the fifth limiting member 640 to move in the direction close to the sliding member 620. The first connecting assembly also includes a third elastic member 660, which is sleeved on the outer wall of the sixth connector 630 and located on the side of the fifth limiting member 640 close to the sliding member 620. The third elastic member 660 can undergo elastic deformation to drive the fifth limiting member 640 to move in the direction away from the sliding member 620. Thus, when the fifth limiting member 640 needs to be engaged with the sliding member 620, the sixth connecting member 630 is rotated in the unlocking direction, causing the seventh connecting member 650 to move the fifth limiting member 640 closer to the sliding member 620. The third elastic member 660 is compressed until the fifth limiting member 640 and the sliding member 620 abut against each other, thereby locking the sliding member 620 with the second mounting member 610. When it is necessary to release the engagement between the fifth limiting member 640 and the sliding member 620, the sixth connecting member 630 is rotated in the unlocking direction, causing the seventh connecting member 650 to move away from the sliding member 620. The third elastic member 660 is reset to move the fifth limiting member 640 away from the sliding member 620 until the sliding member 620 can slide relative to the second mounting member 610 again, improving the convenience and reliability of the third connecting structure 600.

[0104] The third elastic element 660 can be a spring, an elastic sleeve, or other elastic structure.

[0105] Specifically, in this embodiment, the first connecting component further includes an operating handle 690, which is installed at the end of the sixth connecting member 630 away from the seventh connecting member 650. The operating handle 690 is used to withstand the torque that causes the sixth connecting member 630 to rotate about its central axis. This improves the convenience of the third connecting structure 600.

[0106] The third connection structure 600 in this application can realize stepped and stepless adjustment of the connection angle.

[0107] like Figure 14 and Figure 16 As shown, in one embodiment, the slider 620 has at least two first limiting grooves 622 on the side near the fifth limiting member 640. Each first limiting groove 622 is spaced apart along the sliding direction of the slider 620. The fifth limiting member 640 has a fourth limiting part 641 and a fifth limiting part 642. The seventh connecting member 650 has a sixth limiting part 651. When the sixth limiting part 651 engages with the fifth limiting part 642, the fourth limiting part 641 can selectively engage with any one of the first limiting grooves 622. Thus, each first limiting groove 622 corresponds to a fixed connection angle. When the fourth limiting part 641 engages with different first limiting grooves 622, the third connecting structure 600 can correspond to different connection angles, facilitating quick, accurate, and convenient adjustment of the third connecting structure 600 to a preset fixed angle, thereby improving the practicality of the third connecting structure 600.

[0108] Specifically, in this embodiment, the fourth limiting part 641 and the fifth limiting part 642 are located on opposite sides of the fifth limiting member 640. Each first limiting groove 622 communicates with the third sliding groove 621. One fourth limiting part 641 and a set of first limiting grooves 622 cooperate to form an adjustment structure. The third connecting structure 600 includes two adjustment structures, which are correspondingly arranged on opposite sides of the third sliding groove 621.

[0109] like Figure 14 and Figure 16 As shown, the fifth limiting member 640 further includes a seventh limiting part 643. The sixth limiting part 651 can selectively engage with either the fifth limiting part 642 or the seventh limiting part 643. When the sixth limiting part 651 engages with the seventh limiting part 643, the projection area of ​​the fourth limiting part 641 is located within the third sliding groove 621 along the axial direction of the sixth connecting member 630. Thus, the third connecting structure 600 can be tool-free switched between stepped and stepless adjustment according to actual usage needs, improving the practicality of the third connecting structure 600.

[0110] The number of the fourth limiting part 641, the fifth limiting part 642, the sixth limiting part 651, and the seventh limiting part 643 can be flexibly adjusted according to actual usage needs. Specifically, in this embodiment, the fourth limiting part 641, the fifth limiting part 642, and the seventh limiting part 643 are all configured as limiting protrusions 8241, and the sixth limiting part 651 is configured as a limiting groove 8224.

[0111] like Figure 14 and Figure 16 As shown, the fifth limiting part 642 and the seventh limiting part 643 are spaced apart around the central axis of the sixth connecting member 630. The fifth limiting member 640 also includes an operating part 644, which is used to receive the torque that causes the fifth limiting member 640 to rotate around the central axis of the sixth connecting member 630. Thus, by driving the operating part 644, the fifth limiting member 640 is rotated relative to the seventh connecting member 650 to switch the limiting engagement between the sixth limiting part 651 and the fifth limiting part 642, or between the sixth limiting part 651 and the seventh limiting part 643, thereby improving the convenience of the third connecting structure 600.

[0112] The operating part 644 is configured as an operating column, operating handle, or other operating structure. Specifically, in this embodiment, the projection area of ​​the seventh connecting member 650 is offset from the projection area of ​​the operating part 644 along the central axis of the sixth connecting member 630. When stepless adjustment is required, the fifth limiting member 640 is rotated 90°, so that the sixth limiting part 651 and the seventh limiting part 643 are engaged, and the fifth limiting member 640 disengages from the first limiting groove 622, realizing the stepless sliding of the sliding member 620 to any connection angle for locking.

[0113] like Figure 14 and Figure 16 As shown, in one embodiment, the second mounting member 610 is provided with a second through hole 613 communicating with the second sliding groove 611. The second through hole 613 and the first through hole 612 are spaced apart along the sliding direction of the slider 620. The first connecting assembly also includes a sixth limiting member 670, which passes through the second through hole 613 and the third sliding groove 621 and slides in cooperation with the third sliding groove 621. In this way, the sixth limiting member 670 can further limit the slider 620, ensuring that the slider 620 can reciprocate stably and reliably along the sliding direction of the slider 620, thereby improving the reliability of the third connecting structure 600.

[0114] In this specific embodiment, the sixth limiting member 670 can be set as a limiting post.

[0115] Optionally, the second mounting member 610 is further provided with a second mounting hole 614, and the sliding member 620 is further provided with at least two second limiting grooves 623 on the side near the second mounting hole 614. Each of the second limiting grooves 623 is spaced apart along the sliding direction of the sliding member 620. The first connecting assembly also includes a seventh limiting member 681, a fourth elastic member 682, and a positioning ball 683. The seventh limiting member 681 and the fourth elastic member 682 are both installed in the second mounting hole 614, and the fourth elastic member 682 is located between the seventh limiting member 681 and the positioning ball 683, so that the positioning ball 683 can selectively engage with any one of the second limiting grooves 623. In this way, the positioning ball 683 can elastically limit the sliding member 620 by engaging with the seventh limiting member 681 and the fourth elastic member 682, ensuring that the sliding member 620 can reciprocate stably and reliably, thereby improving the reliability of the third connecting structure 600.

[0116] In this specific embodiment, the seventh limiting member 681 is set as a screw. The central axis of the first through hole 612, the central axis of the second through hole 613, and the central axis of the second mounting hole 614 are arranged in parallel to each other, and the lines connecting them intersect.

[0117] like Figure 14 , Figure 16 and Figure 17 As shown, in one embodiment, the slider 620 is provided with a hook groove 624 and a first positioning part 625, the third mounting part 710 is provided with a second positioning part 711, the eighth connecting part 720 is configured as a buckle, and the second connecting assembly further includes a second handle 730, which is rotatably connected to the third mounting part 710, and the buckle is rotatably connected to the second handle 730. When the buckle engages with the hook groove 624 to close and lock the slider 620 and the third mounting part 710, the first positioning part 625 and the second positioning part 711 are in a limiting engagement. Specifically, in this embodiment, the first positioning part 625 is configured as a positioning boss, and the second positioning part 711 is configured as a positioning groove. Thus, the third connecting structure 600 employs a concave-convex structure, and the locking process utilizes a buckle for accurate positioning. Specifically, the third connecting structure 600 uses a concave-convex structure in one direction to restrict the relative position between the sliding member 620 and the third mounting member 710. In the opposite direction, perpendicular to this, the buckle, through the locking force, restricts the relative position between the sliding member 620 and the third mounting member 710, ensuring accurate positioning in both perpendicular directions and improving the reliability of the third connecting structure 600. Furthermore, after the buckle is unlocked, the second handle 730 can be rotated and stored, reducing the space required for packaging and transportation.

[0118] Optionally, the second connecting assembly further includes a return spring 740, a drive spring 760, and a safety buckle 750. The return spring 740 is sleeved on the outer wall of the buckle, with its two ends connected to the buckle and the second handle 730, respectively. The safety buckle 750 is slidably mounted on the second handle 730, and the drive spring 760 is sleeved on the safety buckle 750, engaging with both the safety buckle 750 and the second handle 730. The safety buckle 750 has a hook 751, and the third mounting member 710 has a release boss 712; the hook 751 is used to engage with the release boss 712. Thus, when the slider and the second mounting base approach and close to a certain distance, the buckle hooks onto the slider's groove 624, applying external force to the second handle 730. The second handle 730 drives the slider and the second mounting base to fully close and lock. At the same time, the drive spring 760 drives the safety buckle 750, forcing the hook 751 of the safety buckle 750 to hook onto the anti-loosening boss of the first mounting base, achieving the anti-loosening function. When the slider and the second mounting base are unlocked, the safety buckle 750 slides, the hook 751 disengages from the anti-loosening boss, applying external force to the second handle 730. When the second handle 730 rotates to the range where the buckle disengages from the slider's groove 624, the buckle, driven by the return spring 740, automatically springs away from the slider's groove 624, achieving the automatic unlocking function. At this point, the first connecting component and the second connecting component are unlocked.

[0119] like Figure 18 , Figure 19 , Figure 20 and Figure 21 As shown, in one embodiment, the second connecting mechanism further includes a fourth connecting structure 800. The fourth connecting structure 800 includes a first lifting lock module 810 and a second lifting lock module 820. The first lifting lock module 810 and the second lifting lock module 820 are respectively installed on opposite sides of the main frame 310. The first lifting lock module 810 includes a ninth connector 811, one end of which is provided with a locking part 8111. The second lifting lock module 820 includes a tenth connector 821 and a second locking part 822. The tenth connector 821 is provided with a mounting through hole 8211, and the second locking part 822 is movably installed in the mounting through hole 8211. The second locking member 822 has a locking cavity 8222 with a first opening 8221 at one end near the locking part 8111. When the second locking member 822 is in the released state, the projection area of ​​the locking part 8111 is located within the projection area of ​​the first opening 8221 along the axial direction of the first opening 8221, so that the locking part 8111 can extend into or move out of the locking cavity 8222. When the second locking member 822 is in the locked state, the projection area of ​​the locking part 8111 is partially located outside the projection area of ​​the first opening 8221 along the axial direction of the first opening 8221, so that the locking part 8111 can be locked in the locking cavity 8222.

[0120] In the fourth connection structure 800 described above, the ninth connector 811 and the tenth connector 821 are respectively installed on the two main frames 310. When it is necessary to connect the two main frames 310 into one unit, firstly, the two main frames 310 are placed correspondingly, so that the ninth connector 811 and the second locking member 822 are correspondingly set. Then, the second locking member 822 is driven to move relative to the tenth connector 821, so that the projection area of ​​the locking part 8111 is located within the projection area of ​​the first opening 8221 along the axial direction of the first opening 8221, ensuring that the locking part 8111 can extend into or move out of the locking cavity 8222. Finally, after the locking part 8111 is inserted into the locking cavity 8222, the second locking member 822 is driven to move relative to the tenth connector 821 again, so that the projection area of ​​the locking part 8111 is located outside the projection area of ​​the first opening 8221 along the axial direction of the first opening 8221, so that the locking part 8111 can be locked in the locking cavity 8222, thereby enabling the ninth connector 811, the second locking member 822 and the tenth connector 821 to cooperate to connect the two main frames 310 into one. Compared to the threaded quick-connect locks in the prior art, this application locks the locking part 8111 in the locking cavity 8222 by abutting and limiting the locking part 8111 against the inner wall of the second locking member 822. This ensures that when the second locking member 822 is in the locked state, the locking part 8111 cannot be moved out of the locking cavity 8222 through the first opening 8221, thus avoiding the problem of the second locking member 822 falling off due to thread fatigue failure and improving the reliability of the fourth connection structure 800.

[0121] The number of fourth connecting structures 800 can be flexibly adjusted according to actual usage needs. Specifically, in this embodiment, the first hanging lock module 810 is installed at the top of the main frame 310, and the second hanging lock module 820 is correspondingly installed at the bottom of the main frame 310, so that adjacent main frames 310 can be connected as a whole through the first hanging lock module 810 and the second hanging lock module 820. The locking cavity 8222 has a full circular cross-section perpendicular to its own axis, while the first opening 8221 has a non-full circular cross-section perpendicular to its own axis. The inner contour shape of the first opening 8221 matches the outer contour shape of the locking part 8111. The outer wall of the locking part 8111 includes opposing arc surfaces, both of which slide in contact with the inner wall of the locking cavity 8222.

[0122] like Figure 18 , Figure 19 and Figure 21As shown, further, the ninth connector 811 is fixed to the main frame 310, and the second lifting lock module 820 also includes an eleventh connector 823, which is sleeved on the tenth connector 821 and used to fix the tenth connector 821 to the main frame 310. Thus, each main frame 310 is provided with a first lifting lock module 810 and a second lifting lock module 820, allowing adjacent main frames 310 to be connected as a whole through the first lifting lock module 810 and the second lifting lock module 820, realizing the rapid assembly of multiple main frames 310.

[0123] The ninth connector 811 can be installed on the top of the main frame 310 by means of plugging, snapping, screwing or other fixed connection. The eleventh connector 823 can be installed on the bottom of the main frame 310 by means of plugging, snapping, screwing or other fixed connection to connect the tenth connector 821.

[0124] like Figure 21 and Figure 22 As shown, optionally, the eleventh connector 823 is provided with a stepped hole 8231, and the tenth connector 821 is provided with a first flange 8212 at one end near the main frame 310. The first flange 8212 is located inside the stepped hole 8231, so that the stepped surface 8232 of the stepped hole 8231 can cooperate with the main frame 310 to clamp and fix the first flange 8212. In this way, the tenth connector 821 can be fixed to the main frame 310 through the eleventh connector 823, improving the convenience of the fourth connection structure 800.

[0125] Specifically, in this embodiment, the tenth connector 821 can be configured as a hanger lock seat, and the eleventh connector 823 can be configured as a mounting cover plate. The second locking member 822 can be configured as a hanger lock pin.

[0126] like Figure 21 and Figure 22 As shown, in one embodiment, the inner wall of the mounting through hole 8211 is provided with an internal thread 8213, and the outer wall of the second locking member 822 is provided with an external thread 8223. The internal thread 8213 and the external thread 8223 are threadedly connected. In this way, the second locking member 822 can make a spiral climbing action in the mounting through hole 8211 through the external thread 8223 and the internal thread 8213, so that the second locking member 822 can move relative to the locking part 8111 along its own axis, ensuring that the side of the locking cavity 8222 with the first opening 8221 can abut against the locking part 8111 to tighten the two adjacent main frames 310, thereby improving the reliability of the fourth connection structure 800.

[0127] Specifically, in this embodiment, the main frame 310 blocks one end of the mounting through hole 8211, and the inner diameter of the other end of the mounting through hole 8211 is smaller than the outer diameter of the second locking member 822. Thus, when thread failure occurs between the internal thread 8213 and the external thread 8223, the main frame 310 can cooperate with the tenth connecting member 821 to limit the second locking member 822, ensuring that the second locking member 822 will not fall directly out of the mounting through hole 8211, avoiding the situation where the main frame 310 suddenly falls, and improving the reliability and safety of the fourth connecting structure 800.

[0128] like Figure 21 and Figure 22 As shown, in one embodiment, the second locking module 820 further includes a fifth operating member 824. The fifth operating member 824 is located at the end of the second locking member 822 away from the ninth connecting member 811. The fifth operating member 824 is kinetically connected to the second locking member 822 and is used to bear the torque that causes the second locking member 822 to rotate relative to the tenth connecting member 821. In this way, the fifth operating member 824 can drive the second locking member 822 to perform a spiral climbing action within the mounting through hole 8211, so as to move the second locking member 822 to the locked state, and the position where the second locking member 822 abuts against the inner wall of the side of the locking cavity 8222 with the first opening 8221 improves the convenience of the fourth connecting structure 800.

[0129] The fifth operating component 824 can be configured as an operating knob, operating handle, or other operating structure.

[0130] like Figure 21 and Figure 22 As shown, optionally, the inner wall of the locking cavity 8222 on the side away from the first opening 8221 is provided with a second opening 8225, the fifth operating member 824 is provided with a third threaded hole 8242, and the second locking module 820 also includes a washer 825 and a first screw 826. The washer 825 is located in the locking cavity 8222 and is limited to cooperate with the inner wall of the locking cavity 8222 on the side with the second opening 8225. The washer 825 is provided with a nineteenth connecting hole 8251 corresponding to and communicating with the second opening 8225. The first screw 826 passes through the nineteenth connecting hole 8251 and the second opening 8225 and is threadedly connected to the third threaded hole 8242 to lock and fix the second locking member 822 and the fifth operating member 824. In this way, the second locking member 822 can be fixed to the fifth operating member 824 as one unit by the cooperation of the first bolt and the washer 825, ensuring that the second locking member 822 can rotate synchronously with the fifth operating member 824, and improving the reliability of the fourth connecting structure 800.

[0131] like Figure 21 and Figure 22As shown, optionally, one of the two surfaces of the fifth operating member 824 and the second locking member 822 that mate with each other is provided with a limiting boss 8241 and a limiting groove 8224, with the limiting boss 8241 and the limiting groove 8224 providing a limiting fit. This increases the contact area between the fifth operating member 824 and the second locking member 822, ensuring that the fifth operating member 824 can drive the second locking member 822 to perform a spiral climbing motion within the mounting through hole 8211, thus improving the reliability of the fourth connecting structure 800.

[0132] The number of limiting protrusions 8241 and limiting grooves 8224 can be flexibly adjusted according to actual usage needs. Specifically, in this embodiment, the second locking member 822 has at least two limiting grooves 8224 on the side near the fifth operating member 824, and each limiting groove 8224 is spaced apart around the axis of the second locking member 822. The fifth operating member 824 has at least two limiting protrusions 8241 on the side near the second locking member 822, and each limiting protrusion 8241 corresponds to each limiting groove 8224.

[0133] like Figure 21 and Figure 22 As shown, in one embodiment, the tenth connecting member 821 has an eighth limiting part 8214 at one end near the fifth operating member 824. The second hoisting module also includes a second locking component 827, which is mounted on the fifth operating member 824 and locks in cooperation with the eighth limiting part 8214. Thus, when the second locking member 822 is in the locked state, the fifth operating member 824 can be locked together with the tenth connecting member 821 by the cooperation of the second locking component 827 and the eighth limiting part 8214, effectively restricting the rotation of the fifth operating member 824 and improving the reliability of the fourth connecting structure 800.

[0134] like Figure 21 and Figure 22As shown, optionally, the eighth limiting part 8214 is provided with at least one toothed groove 8215. Each toothed groove 8215 is arranged along the circumferential direction of the tenth connecting member 821. Each toothed groove 8215 includes a first side and a second side arranged at an angle. The second locking assembly 827 includes a button latch 8271 and a tension spring 8272. The button latch 8271 is rotatably mounted on the fifth operating member 824. One end of the tension spring 8272 is connected to the fifth operating member 824, and the other end is connected to the button latch 8271, so that the button latch 8271 can be engaged in the toothed groove 8215 and limit the engagement with both the first side and the second side. Thus, the button latch 8271, tension spring 8272, and toothed groove 8215 can cooperate to form a ratchet structure, enabling unidirectional rotation of the fifth operating element 824 to lock the two adjacent main body frames 310. The ratchet structure avoids jamming, is simple and efficient to operate, and can handle some scenarios with limited space, improving the practicality of the fourth connecting structure 800. Furthermore, the ratchet structure can provide feedback on the locking status of the fifth operating element 824; that is, the user can determine whether the fifth operating element 824 is locked by whether the button latch 8271 engages with the toothed groove 8215, improving the user experience of the fourth connecting structure 800.

[0135] Specifically, in this embodiment, the toothed groove 8215 can be configured as a V-shaped toothed opening, with the first and second side sides set at 90°. The eighth limiting part 8214 is configured as an offset cylindrical central axis to facilitate the release of the button latch 8271 from the V-shaped toothed opening. Each V-shaped toothed opening is correspondingly located on the outer wall of one side of the offset cylindrical central axis. The button latch 8271 and the tension spring 8272 are correspondingly located on the side of the offset cylindrical central axis with the V-shaped toothed opening.

[0136] like Figure 18 and Figure 19 As shown, in one embodiment, one end of the main frame 310 is provided with a third mounting hole, and the ninth connector 811 is set as a hanging lock column. The end of the hanging lock column away from the locking part 8111 extends into the body and enters the third mounting hole, and is limited and matched with the third mounting hole in the circumferential direction of the hanging lock column. The end of the hanging lock column away from the locking part 8111 is provided with a fourth threaded hole. The first hanging lock module 810 also includes a second screw 812. The second screw 812 extends into the third mounting hole and is threadedly connected to the fourth threaded hole, so that the main frame 310 and the hanging lock column are fixed together.

[0137] Specifically, in this embodiment, a fourth mounting hole is provided at the end of the main frame 310 away from the third mounting hole. The third mounting hole on the main frame 310 corresponds to the fourth mounting hole on the adjacent main frame 310. The hanging lock column includes a limiting section 8112 and a cylindrical section 8113. The limiting section 8112, the cylindrical section 8113, and the locking part 8111 are connected in sequence. When the second locking member 822 is in the locked state, the limiting section 8112 extends into the fourth mounting hole and is limited and engaged with the fourth mounting hole in the circumferential direction of the limiting section 8112. The cylindrical section 8113 passes through the mounting through hole 8211 and the first opening 8221. In this way, the hanging lock column can restrict relative rotation between two adjacent main frames 310, improving the reliability and convenience of the fourth connection structure 800.

[0138] In one embodiment, a display unit is provided, including the mounting bracket of any of the above embodiments.

[0139] In the description of this application, it should be understood that if terms such as "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" appear, these terms indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.

[0140] Furthermore, where the terms "first" and "second" appear, these terms are for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined with "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, where the term "multiple" appears, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0141] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0142] In this application, unless otherwise expressly specified and limited, the use of descriptions such as "above" or "below" the second feature indicates that the first and second features are in direct contact or indirect contact via an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. Similarly, "below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0143] It should be noted that if an element is referred to as being "fixed to" or "set on" another element, it can be directly on the other element or there may be an intervening element. If an element is considered to be "connected to" another element, it can be directly connected to the other element or there may be an intervening element. If so, the terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used in this application are for illustrative purposes only and do not represent the only possible implementation.

[0144] It should also be understood that, in interpreting the connection or positional relationships of components, although not explicitly described, connection and positional relationships are interpreted to include a range of error, which should be within the acceptable deviation range of a specific value as determined by a person skilled in the art. For example, "approximately," "about," or "substantially" can mean within one or more standard deviations, without limitation herein.

[0145] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0146] The above embodiments merely illustrate several implementation methods of this application, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent application. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these all fall within the protection scope of this application. Therefore, the protection scope of this patent application should be determined by the appended claims.

Claims

1. A mounting bracket, characterized in that, include: The frame body includes a main frame and a reinforcing frame. The main frame is provided with a clearance hole. One end of the reinforcing frame is rotatably connected to an inner wall of the clearance hole, and the other end is provided with a first connecting structure. The first connecting structure is used to detachably connect to the other inner wall of the clearance hole and apply a tension force to the main frame, so that the reinforcing frame can correspondingly pull the two ends of the main frame towards the middle. and A first connecting mechanism is mounted on the main frame and is used to detachably connect the component to be installed to the main frame. The other inner wall of the clearance hole is provided with a first connecting hole. The first connecting structure includes a telescopic rotating shaft. The telescopic rotating shaft is movably disposed on the reinforcing frame. When the reinforcing frame rotates relative to the main frame to a first preset position, the telescopic rotating shaft can extend into the first connecting hole and press the inner wall of the first connecting hole on the side close to the clearance hole. The end of the telescopic shaft near the first connecting hole is set as an eccentric round shaft end. The eccentric round shaft end is eccentrically set to the first connecting hole. When the eccentric round shaft end extends into the first connecting hole, the eccentric round shaft end and the first connecting hole are in clearance fit. When the eccentric round shaft end extends into the second preset position in the first connecting hole, the eccentric round shaft end and the first connecting hole are in interference fit.

2. The mounting bracket according to claim 1, characterized in that, The reinforcing frame is provided with a second connecting hole corresponding to the first connecting hole. The outer side wall of the telescopic shaft is provided with a sliding part. The sliding part slides in a spiral pattern with the inner side wall of the second connecting hole. The first connecting structure also includes a first operating member. The first operating member is in a transmission engagement with the end of the telescopic shaft away from the first connecting hole so as to drive the telescopic shaft to extend into or move out of the first connecting hole.

3. The mounting bracket according to claim 2, characterized in that, The frame body also includes a first locking component. When the telescopic shaft extends into the first connecting hole and presses against the inner wall of the first connecting hole near the clearance hole, the first locking component locks with the first operating member to restrict the rotation of the first operating member.

4. The mounting bracket according to any one of claims 1 to 3, characterized in that, The first connecting mechanism includes a second connecting structure, which is used to detachably connect the component to be installed to the main frame.

5. The mounting bracket according to claim 4, characterized in that, The second connection structure includes a first connector, a second connector, and a first locking member. One of the first connector and the second connector is installed on the part to be installed, and the other is installed on the main frame. The first connector has a ninth connecting hole; the second connector has a tenth connecting hole corresponding to the ninth connecting hole; the first locking member passes through the tenth connecting hole and slides in a spiral direction with the second connector, so that the first locking member can extend into the ninth connecting hole to lock the first connector and the second connector in a locked engagement.

6. The mounting bracket according to claim 4, characterized in that, The first connecting mechanism further includes a connecting lock, which is spaced apart from the second connecting structure. The connecting lock also includes a third connecting member, a first mounting member, a fourth operating member, a fourth connecting member, and a fifth connecting member. The third connecting member is mounted on the part to be installed, the first mounting member is mounted on the main frame, the fourth operating member is rotatably connected to the first mounting member, one end of the fourth connecting member is rotatably connected to the fourth operating member, and the other end is rotatably connected to the fifth connecting member. The axis of rotation of the fourth operating member relative to the first mounting member is spaced apart from the axis of rotation of the fourth connecting member relative to the fourth operating member. The fifth connecting member is slidably engaged with the first mounting member and detachably connected to the third connecting member.

7. The mounting bracket according to any one of claims 1 to 3, characterized in that, The mounting bracket also includes a second connecting mechanism for detachably connecting two adjacent main frames.

8. The mounting bracket according to claim 7, characterized in that, The second connecting mechanism includes a third connecting structure, which includes a first connecting component and a second connecting component. The first connecting component and the second connecting component are respectively installed on opposite sides of the main frame. The first connecting component includes a second mounting member, a sliding member, a sixth connecting member, a first limiting member, and a seventh connecting member. The sliding member is slidably engaged with the second mounting member. The sixth connecting member is installed on the second mounting member. The first limiting member and the seventh connecting member are both sleeved on the outer side wall of the sixth connecting member. The seventh connecting member is connected to the sixth connecting member and is in a transmission engagement with the first limiting member, so that the first limiting member is in a limiting engagement with the sliding member. The second connecting component includes a third mounting member and an eighth connecting member. The eighth connecting member is installed on the third mounting member and is detachably connected to the sliding member.

9. The mounting bracket according to claim 7, characterized in that, The second connecting mechanism further includes a fourth connecting structure, which includes a first lifting lock module and a second lifting lock module. The first lifting lock module and the second lifting lock module are respectively installed on opposite sides of the main frame. The first lifting lock module includes a ninth connector, one end of which is provided with a locking part. The second lifting lock module includes a tenth connector and a second locking part. The tenth connector is provided with a mounting through hole. The second locking part is movably installed in the mounting through hole. The end of the second locking part near the locking part is provided with a locking cavity with a first opening. When the second locking part is in the released state, along the axial direction of the first opening, the projection area of ​​the locking part is located within the projection area of ​​the first opening, so that the locking part can extend into or move out of the locking cavity. When the second locking part is in the locked state, along the axial direction of the first opening, part of the projection area of ​​the locking part is located outside the projection area of ​​the first opening, so that the locking part can be locked in the locking cavity.

10. A display unit, characterized in that, Includes the mounting bracket as described in any one of claims 1 to 9.

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