Image adjusting display device suitable for exhibition

Abstract

The utility model relates to an image adjusting display device suitable for exhibition, which relates to the technical field of exhibition display devices and comprises a display base, an adjusting base frame is arranged on the display base, an adjusting base cavity is arranged in the adjusting base frame, and a plurality of adjusting vertical grooves matched with the adjusting base cavity are vertically arranged on the adjusting base frame. An adjusting guide rod is arranged in the adjusting base cavity, and a plurality of adjusting base assemblies matched with the adjusting guide rod are vertically arranged in the adjusting base cavity; a plurality of display round frames matched with the adjusting base assembly are vertically arranged on the adjusting base frame, a plurality of stable connecting frame assemblies are arranged between the display round frames and the adjusting base assembly, a plurality of display base frames facilitating image display are arranged on the display round frames, and angle display assemblies matched with the display round frames are arranged on the display base frames. The display rack is stable in structure, convenient to operate and capable of meeting different display requirements, flexible adjustment of the height and the angle of an image is achieved, and the display effect and visual experience are improved.

Description

Technical Field

[0001] This utility model relates to the field of exhibition display device technology, and in particular to an image adjustment and display device suitable for exhibitions. Background Technology

[0002] In the field of visual communication design, exhibitions, as important platforms for information dissemination and art display, place extremely high demands on the effectiveness of image display. Traditional image display installations have many limitations in terms of functionality and adaptability, making it difficult to meet the increasingly diverse needs of exhibitions. Early exhibition image displays mostly used fixed display panels or frames, whose positions and angles were difficult to change once determined. This proved extremely passive when facing different venue layouts, diverse viewing perspectives for audiences, and frequent updates of exhibits. For example, in some large-scale comprehensive exhibitions, the venue space is irregular, and fixed display installations cannot be flexibly adjusted to adapt to the site, resulting in poor display effects in some areas and a lack of visual experience for the audience.

[0003] With technological advancements, some adjustable display stands have emerged, but the adjustment methods are often simplistic and crude. Commonly, height and angle are adjusted by simply plugging and unplugging or rotating joints. This method is not only inaccurate but also unstable. In visual communication design, the display angle and position of images are crucial to the effectiveness of information delivery. Even slight deviations can prevent key elements of the image from being clearly presented to the audience, affecting the overall display effect. For example, in art photography exhibitions, precise angle adjustment is essential for highlighting the details and artistic appeal of the work, a requirement that traditional installations cannot meet. Furthermore, existing display devices perform poorly in dealing with environmental vibrations and other disturbances. High foot traffic in exhibition venues inevitably generates vibrations, which can cause images to sway, distract viewers, or even damage them. This is especially true for displays of high-tech products or precious cultural relics, where stability and shock resistance are paramount, and existing display devices struggle to provide reliable protection.

[0004] Solving the aforementioned technical problems is the challenge facing this utility model. Utility Model Content

[0005] To address the shortcomings of existing technologies, this utility model provides a reasonably designed, safe, and reliable image adjustment and display device suitable for exhibitions. Through a comprehensive design that combines flexibility, stability, and shock resistance, it effectively enhances the practicality of exhibition devices and the image display effect, providing the exhibition industry with a more convenient, efficient, and stable image display solution.

[0006] The technical solution adopted by this utility model to solve its technical problem is: an image adjustment display device suitable for exhibition, including a display base, an adjustment base frame provided on the display base, an adjustment base cavity provided in the adjustment base frame, a plurality of adjustment vertical slots that cooperate with the adjustment base cavity vertically opened on the adjustment base frame, an adjustment guide rod provided in the adjustment base cavity, and a plurality of adjustment base assemblies that cooperate with the adjustment guide rod vertically arranged in the adjustment base cavity;

[0007] The adjustable base frame is vertically provided with several display circular frames that cooperate with the adjustable base assembly. Several stabilizing connecting frames are provided between the display circular frames and the adjustable base assembly. Several display bases are provided on the display circular frames to facilitate image display. An angle display component is provided on the display base to cooperate with the display circular frames.

[0008] Furthermore, the adjusting base assembly includes a locking sleeve sleeved on the adjusting guide rod, the locking sleeve being provided with a plurality of locking screws that cooperate with the adjusting guide rod, the locking sleeve being provided with a sturdy base that slides in cooperation with the adjusting base cavity, and the sturdy base being connected to the sturdy connecting frame assembly.

[0009] Preferably, a stable base is provided at both the top and bottom ends of the locking sleeve.

[0010] Furthermore, the stabilizing frame assembly includes a connecting base frame that penetrates the adjusting vertical groove. The connecting base frame is provided with a connecting groove that connects to the adjusting base assembly. The connecting base frame is provided with a connecting arc plate that cooperates with the adjusting base assembly. The connecting arc plate is provided with a connecting screw that connects to the adjusting base assembly.

[0011] The connecting base is provided with a connecting base that connects to the display circular frame, and the connecting base is provided with a connecting cylinder, and the connecting cylinder is provided with a shock-absorbing connecting unit that cooperates with the connecting cylinder, and the connecting base is provided with a positioning and locking unit that cooperates with the adjusting base assembly.

[0012] Furthermore, the positioning and locking unit includes a positioning groove vertically formed on the adjusting base frame, and a plurality of locking chains are provided in the positioning groove. The connecting base frame is provided with a positioning slider that cooperates with the positioning groove. The positioning slider is provided with a positioning groove that cooperates with the locking chain. The positioning slider is provided with a positioning rod that cooperates with the locking chain.

[0013] Furthermore, the shock-absorbing connection unit includes a circumferential groove formed on the connection base, the connection base having a connection circular groove that mates with the connection cylinder, and a circumferential socket that mates with the circumferential groove being provided in the circumferential groove.

[0014] The bottom end of the circumferential socket is provided with a vertical ring plate that mates with the circumferential groove. The vertical ring plate is provided with a plurality of vertical springs that mate with the circumferential socket. The top end of the circumferential socket is provided with a circumferential insert, and the circumferential insert is provided with a circumferential shock absorber that mates with the circumferential groove.

[0015] The connecting cylinder is provided with a connecting tube, the connecting tube is provided with a connecting rod connected to the connecting cylinder, the connecting cylinder is provided with a stabilizing shock absorber that cooperates with the connecting tube, one end of the connecting cylinder is provided with a connecting ring cylinder that cooperates with a circumferential insert cylinder, and the circumferential insert cylinder is provided with a stabilizing insert rod that cooperates with the connecting ring cylinder.

[0016] Furthermore, the circumferential damping component includes a circumferential outer cylinder that mates with the circumferential groove, a circumferential inner cylinder fitted onto the circumferential insert, and a plurality of circumferential springs disposed between the circumferential outer cylinder and the circumferential inner cylinder; the structure of the stabilizing damping component is consistent with the structure of the circumferential damping component.

[0017] Furthermore, the display circular frame includes a connecting ring frame connected to the stable connecting component, the connecting ring frame is provided with a display ring frame that cooperates with the angle display component, and a plurality of stable connecting frames are provided between the connecting ring frame and the display ring frame.

[0018] Furthermore, the angle display component includes a display base, which has a clamping arc groove that mates with the display circular frame. The display base is also provided with fastening screws that mate with the display circular frame. A connecting frame is provided on the display base, and a display pad connected to the display base is provided on the connecting frame. A multi-dimensional display unit connected to the display pad is also provided on the connecting frame.

[0019] Preferably, a set of connecting hinge cylinders is provided at each of the top and bottom ends of the display base frame. Each set of connecting hinge cylinders includes several connecting hinge cylinders provided on the display base frame, and the two sets of connecting hinge cylinders located at the top and bottom ends of the display base frame are staggered. A connecting hinge rod is provided in each connecting hinge cylinder.

[0020] This utility model features highly flexible height adjustment, perfectly suited to the unique needs of various exhibition themes, while also taking into full account the viewing habits of different audiences, enabling precise control of the display stand's height. Its innovative base design greatly enhances structural stability, effectively resisting external vibrations and ensuring the image remains in a stable position throughout the entire display process. This creates a stable and comfortable viewing experience for the audience, allowing them to focus on the image content itself.

[0021] This invention achieves a high-precision connection, allowing the display circular frame to strictly adhere to the meticulous layout planning of the visual communication design, and to be installed at specific angles or in a staggered arrangement. The positioning and locking unit provides reliable positioning support for the connecting base frame, effectively ensuring the stability of the display circular frame after height adjustment. This stability not only effectively guides the visitor's route, allowing them to appreciate the exhibits along the expected path, but also significantly enhances the overall display effect, increasing the exhibition's appeal and professionalism.

[0022] This invention boasts exceptional seismic resistance. Multiple components work in tandem to efficiently absorb vertical and circumferential vibrations, minimizing vibration transmission and effectively preventing image shaking. It is particularly suitable for exhibition venues with numerous vibration sources, such as exhibition halls near major traffic arteries or large event areas. This shock-absorbing connection unit provides a solid guarantee for the stable display of precious cultural relics and images, ensuring that viewers can clearly and attentively appreciate the exhibits without being distracted by image shaking, thus fully showcasing the charm of the exhibits.

[0023] This invention enables precise adjustment at multiple angles. The display base, multi-dimensional display unit, connecting hinge cylinder, and hinge rod work together to flexibly and accurately adjust the angle of the display frame. This feature fully meets the high requirements for angle flexibility and precision when displaying details or dynamic elements of artworks, presenting the best display effect to the audience. Attached Figure Description

[0024] Figure 1 This is a three-dimensional structural diagram of the overall structure of this utility model.

[0025] Figure 2 This is a three-dimensional structural diagram of a single display base frame of this utility model.

[0026] Figure 3 This is an exploded view of the adjustment base assembly, the stabilizing frame assembly, and the angle display assembly of this utility model.

[0027] The attached diagrams are labeled as follows: 110, Display base; 120, Adjustable base frame; 121, Adjustable cavity; 122, Adjustable vertical groove; 130, Adjusting guide rod; 200, Adjustable base assembly; 210, Locking sleeve; 220, Locking screw; 230, Stabilizing base; 300, Display circular frame; 310, Connecting ring frame; 320, Display ring frame; 330, Stabilizing connecting frame; 400, Stabilizing connecting frame assembly; 410, Connecting base frame; 420, Connecting groove; 430, Connecting arc plate; 440, Connecting screw; 450, Connecting base; 460, Connecting cylinder; 470, Vibration damping connecting unit; 471, Circumferential groove; 472, Connecting circular groove; 473, Circumferential socket; 4 74. Vertical ring plate; 475. Vertical spring; 476. Circumferential insert; 477. Circumferential shock absorber; 478. Connecting cylinder; 479. Connecting rod; 480. Stabilizing shock absorber; 481. Connecting ring cylinder; 482. Stabilizing insert; 490. Positioning locking unit; 491. Positioning vertical groove; 492. Locking chain; 493. Positioning slider; 494. Positioning slide groove; 495. Positioning insert; 500. Display base frame; 510. Connecting hinge cylinder; 520. Connecting hinge rod; 600. Angle display component; 610. Display base; 620. Clamping arc groove; 630. Fastening screw; 640. Connecting hinge frame; 650. Display pad; 660. Multi-dimensional display unit. Detailed Implementation

[0028] See Figures 1 to 3 As shown, an image adjustment display device suitable for exhibitions includes a display base 110, an adjustment base frame 120 on the display base 110, an adjustment cavity 121 in the adjustment base frame 120, and several vertical adjustment slots 122 that cooperate with the adjustment cavity 121 in the adjustment base frame 120. An adjustment guide rod 130 is provided in the adjustment cavity 121, and several height-adjustable adjustment base assemblies 200 that cooperate with the adjustment guide rods 130 are vertically arranged in the adjustment cavity 121. By adjusting the height of the base assembly 200, the positions of the display circular frame 300 and the display base frame 500 can be flexibly adjusted to adapt to exhibition needs at different heights.

[0029] The adjustable base frame 120 has several vertically arranged display circular frames 300 that cooperate with the adjustable base assembly 200. Several stabilizing connecting frames 400 are arranged between the display circular frames 300 and the adjustable base assembly 200. Several display bases 500 are provided on the display circular frames 300 to facilitate image display. Angle display components 600 that cooperate with the display circular frames 300 are provided on the display bases 500. The stabilizing connecting frames 400 enhance the connection stability between the display circular frames 300 and the adjustable base assembly 200, ensuring that the image does not shake during display.

[0030] Furthermore, the adjusting base assembly 200 includes a locking sleeve 210 sleeved on the adjusting guide rod. The locking sleeve 210 is provided with a plurality of locking screws 220 that cooperate with the adjusting guide rod. The locking sleeve 210 is also provided with a stable base 230 that slides into the adjusting base cavity 121, and the stable base 230 is connected to the stable connecting frame assembly 400. The design of the locking screws 220 allows the locking sleeve 210 to be fixed on the adjusting guide rod, thereby achieving precise adjustment of the height of the adjusting base assembly 200.

[0031] Preferably, a stable base 230 is provided at both the top and bottom ends of the locking sleeve 210. The design of the double stable base 230 further enhances the stability of the adjustment base assembly 200 and prevents it from shifting during the adjustment process.

[0032] Furthermore, the assembly relationship between the locking sleeve 210 and the stable base 230 can also be configured such that locking sleeves 210 are provided at both the top and bottom ends of the stable base 230. This design provides another assembly method, increasing the flexibility and applicability of the device.

[0033] Furthermore, the stabilizing frame assembly 400 includes a connecting base frame 410 that penetrates the adjusting vertical slot 122. The connecting base frame 410 is provided with a connecting slot 420 that connects to the adjusting base assembly 200. The connecting base frame 410 is provided with a connecting arc plate 430 that cooperates with the adjusting base assembly 200. The connecting arc plate 430 is provided with a connecting screw 440 that connects to the adjusting base assembly 200. The design of the connecting arc plate 430 and the connecting screw 440 makes the connection between the connecting base frame 410 and the adjusting base assembly 200 more secure, thereby improving the stability of the overall structure.

[0034] The connecting base frame 410 is provided with a connecting base 450 that connects to the display circular frame 300. A connecting cylinder 460 is provided on the connecting base 450, and a shock-absorbing connecting unit 470 that cooperates with the connecting cylinder 460 is provided within the connecting cylinder. A positioning and locking unit 490 that cooperates with the adjusting base assembly 200 is provided on the connecting base 450. The shock-absorbing connecting unit 470 effectively reduces vibration during the display process, protecting the displayed image from damage; the positioning and locking unit 490 ensures precise positioning and a secure connection between the connecting base 450 and the adjusting base assembly 200.

[0035] Furthermore, the positioning and locking unit 490 includes a vertically formed positioning groove 491 on the adjusting base 120, and a plurality of locking chains 492 are provided in the positioning groove 491. The connecting base 410 is provided with a positioning slider 493 that cooperates with the positioning groove 491. The positioning slider 493 has positioning grooves 494 that cooperate with the locking chains 492, and a positioning rod 495 that cooperates with the locking chains 492. The design of the locking chains 492 and the positioning rod 495 allows the position of the positioning slider 493 in the positioning groove 491 to be flexibly adjusted and securely locked, improving the adjustment accuracy and stability of the device.

[0036] Furthermore, the shock-absorbing connection unit 470 includes a circumferential groove 471 formed on the connecting base 450, and a connecting circular groove 472 formed on the connecting base 450 that mates with the connecting cylinder 460. A circumferential socket 473 that mates with the circumferential groove 471 is provided in the circumferential groove 471. The design of the circumferential socket 473 makes the connection between the connecting cylinder 460 and the connecting base 450 more flexible, while the circumferential groove 471 provides stable support for it.

[0037] The bottom end of the circumferential socket 473 is provided with a vertical ring plate 474 that mates with the circumferential groove 471. The vertical ring plate 474 is provided with a plurality of vertical springs 475 that mate with the circumferential socket 473. The top end of the circumferential socket 473 is provided with a circumferential insert 476. The circumferential insert 476 is provided with a circumferential shock absorber 477 that mates with the circumferential groove 471. The design of the vertical springs 475 and the circumferential shock absorber 477 effectively absorbs the vibration energy during the display process, protecting the displayed images and the device itself.

[0038] A connecting cylinder 478 is provided within the connecting cylinder 460. The connecting cylinder 478 is provided with a connecting rod 479 that connects to the connecting cylinder. A stabilizing damping component 480 that mates with the connecting cylinder 478 is provided within the connecting cylinder 460. One end of the connecting cylinder 478 is provided with a connecting ring cylinder 481 that mates with a circumferential insert cylinder 476, and a stabilizing insert rod 482 that mates with the connecting ring cylinder 481 is provided on the circumferential insert cylinder 476. The design of the stabilizing damping component 480 and the stabilizing insert rod 482 further enhances the connection stability and damping effect between the connecting cylinder 460 and the connecting cylinder.

[0039] Furthermore, the circumferential damping component 477 includes a circumferential outer cylinder that mates with the circumferential groove 471, a circumferential inner cylinder is sleeved on the circumferential insert 476, and a plurality of circumferential springs are provided between the circumferential outer cylinder and the circumferential inner cylinder; the structure of the stabilizing damping component 480 is consistent with the structure of the circumferential damping component 477.

[0040] Furthermore, the display circular frame 300 includes a connecting ring frame 310 connected to the stable connecting component. The connecting ring frame 310 is provided with a display ring frame 320 that cooperates with the angle display component 600, and a plurality of stable connecting frames 330 are provided between the connecting ring frame 310 and the display ring frame 320. The stable connecting frames 330 enhance the connection strength between the display ring frame 320 and the connecting ring frame 310, ensuring that the image will not shift due to wind or human contact during the display process.

[0041] Furthermore, the angle display component 600 includes a display base 610, which has a clamping arc groove 620 that mates with the display circular frame 300. The display base 610 also has fastening screws 630 that mate with the display circular frame 300. A connecting hinge 640 is also provided on the display base 610, and a display pad 650 connected to the display base 500 is provided on the connecting hinge 640. A multi-dimensional display unit 660 connected to the display pad 650 is also provided on the connecting hinge 640. The design of the clamping arc groove 620 and the fastening screws 630 makes the connection between the display base 610 and the display circular frame 300 more secure and easier to adjust; the multi-dimensional display unit 660 provides a variety of display angles and modes.

[0042] Preferably, the structure of the multi-dimensional display unit 660 is basically the same as the multi-dimensional hinge structure in commercially available monitor stands, and will not be elaborated on further here. By adopting a mature multi-dimensional hinge structure on the market, the research and development cost of this invention is reduced, while improving the versatility and reliability of the device.

[0043] Preferably, a set of connecting hinge cylinders 510 is provided at each of the top and bottom ends of the display base 500. Each set of connecting hinge cylinders 510 includes several connecting hinge cylinders 510 disposed on the display base 500, and the two sets of connecting hinge cylinders 510 located at the top and bottom ends of the display base 500 are staggered. A connecting hinge rod 520 is provided in each connecting hinge cylinder 510. The staggered arrangement of the connecting hinge cylinders 510 and connecting hinge rod 520 enhances the overall stability and load-bearing capacity of the display base 500, while facilitating connection with other display equipment or structures.

[0044] The technical features of this utility model not described can be implemented by or by using existing technology, and will not be repeated here. Of course, the above description is not a limitation of this utility model, and this utility model is not limited to the examples above. Any changes, modifications, additions or substitutions made by those skilled in the art within the scope of this utility model should also be within the protection scope of this utility model.

Claims

1. An image adjustment and display device suitable for exhibitions, characterized in that: The system includes a display base (110), an adjustment base frame (120) is provided on the display base (110), an adjustment base cavity (121) is provided in the adjustment base frame (120), the adjustment base frame (120) is vertically provided with a plurality of adjustment vertical grooves (122) that cooperate with the adjustment base cavity (121), an adjustment guide rod (130) is provided in the adjustment base cavity (121), and a plurality of adjustment base assemblies (200) that cooperate with the adjustment guide rod (130) are vertically provided in the adjustment base cavity (121). The adjustable base frame (120) is vertically provided with a plurality of display round frames (300) that cooperate with the adjustable base assembly (200). A plurality of stable connecting frame assemblies (400) are provided between the display round frames (300) and the adjustable base assembly (200). A plurality of display base frames (500) that facilitate image display are provided on the display round frames (300). Angle display components (600) that cooperate with the display round frames (300) are provided on the display base frames (500).

2. An image conditioning display device suitable for exhibition according to claim 1, wherein: The adjusting base assembly (200) includes a locking sleeve (210) sleeved on the adjusting guide rod, a plurality of locking screws (220) cooperating with the adjusting guide rod on the locking sleeve (210), a sturdy base (230) slidably cooperating with the adjusting base cavity (121) on the locking sleeve (210), and the sturdy base (230) is connected to the sturdy connecting frame assembly (400).

3. An image conditioning display apparatus suitable for exhibition according to claim 2, wherein: The locking sleeve (210) is provided with a stable base (230) at both the top and bottom ends.

4. An image conditioning display system for use in exhibitions as claimed in claim 1, wherein: The stabilizing frame assembly (400) includes a connecting base frame (410) that passes through the adjusting vertical groove (122). The connecting base frame (410) is provided with a connecting groove (420) that connects to the adjusting base assembly (200). The connecting base frame (410) is provided with a connecting arc plate (430) that cooperates with the adjusting base assembly (200). The connecting arc plate (430) is provided with a connecting screw (440) that connects to the adjusting base assembly (200). The connecting base (410) is provided with a connecting base (450) that connects to the display round frame (300), and the connecting base (450) is provided with a connecting cylinder (460), and the connecting cylinder (460) is provided with a shock-absorbing connecting unit (470) that cooperates with the connecting cylinder, and the connecting base (450) is provided with a positioning locking unit (490) that cooperates with the adjusting base assembly (200).

5. An image conditioning display apparatus suitable for exhibition according to claim 4, wherein: The positioning and locking unit (490) includes a positioning vertical groove (491) vertically opened on the adjusting base frame (120), and a plurality of locking chains (492) are provided in the positioning vertical groove (491). The connecting base frame (410) is provided with a positioning slider (493) that cooperates with the positioning vertical groove (491). The positioning slider (493) is provided with a positioning groove (494) that cooperates with the locking chain (492). The positioning slider (493) is provided with a positioning insert (495) that cooperates with the locking chain (492).

6. An image conditioning display system for use in exhibitions as claimed in claim 4 wherein: The shock-absorbing connection unit (470) includes a circumferential groove (471) formed on the connection base (450), a connection groove (472) formed on the connection base (450) that cooperates with the connection cylinder (460), and a circumferential socket (473) that cooperates with the circumferential groove (471) is provided in the circumferential groove (471). The bottom end of the circumferential socket (473) is provided with a vertical ring plate (474) that cooperates with the circumferential groove (471). The vertical ring plate (474) is provided with a plurality of vertical springs (475) that cooperate with the circumferential socket (473). The top end of the circumferential socket (473) is provided with a circumferential insert (476). The circumferential insert (476) is provided with a circumferential shock absorber (477) that cooperates with the circumferential groove (471). The connecting cylinder (460) is provided with a connecting cylinder (478), the connecting cylinder (478) is provided with a connecting rod (479) connected to the connecting cylinder, the connecting cylinder (460) is provided with a stabilizing shock absorber (480) that cooperates with the connecting cylinder (478), one end of the connecting cylinder (478) is provided with a connecting ring cylinder (481) that cooperates with the circumferential insert cylinder (476), and the circumferential insert cylinder (476) is provided with a stabilizing insert rod (482) that cooperates with the connecting ring cylinder (481).

7. An image conditioning display apparatus suitable for exhibition according to claim 6, wherein: The circumferential damping component (477) includes a circumferential outer cylinder that mates with the circumferential groove (471), a circumferential inner cylinder that is sleeved on the circumferential insert (476), and a plurality of circumferential springs that are provided between the circumferential outer cylinder and the circumferential inner cylinder; the structure of the stabilizing damping component (480) is consistent with the structure of the circumferential damping component (477).

8. An image conditioning display system for use in exhibitions as claimed in claim 1, wherein: The display circular frame (300) includes a connecting ring frame (310), on which a display ring frame (320) is provided to cooperate with the angle display component (600), and a plurality of stable connecting frames (330) are provided between the connecting ring frame (310) and the display ring frame (320).

9. An image conditioning display system for use in exhibitions as claimed in claim 1, wherein: The angle display component (600) includes a display base (610), on which a clamping arc groove (620) is provided to cooperate with the display round frame (300). The display base (610) is provided with a fastening screw (630) to cooperate with the display round frame (300). The display base (610) is provided with a connecting frame (640), and the connecting frame (640) is provided with a display pad (650) to be connected to the display base frame (500). The connecting frame (640) is provided with a multi-dimensional display unit (660) to be connected to the display pad (650).

10. An image conditioning display system for use in exhibitions as claimed in claim 1, wherein: The display base (500) has a set of connecting hinge cylinders (510) at both the top and bottom ends. Each set of connecting hinge cylinders (510) includes several connecting hinge cylinders (510) on the display base (500). The two sets of connecting hinge cylinders (510) located at the top and bottom ends of the display base (500) are staggered, and a connecting hinge rod (520) is provided in the connecting hinge cylinder (510).

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