A combined curtain wall and method of using the same

Abstract

The application discloses a combined curtain wall and a use method thereof, and relates to the field of curtain walls.The technical scheme is as follows: a frame and wall plates arranged in the frame are included;the wall plates are divided into multiple parts and can be installed in the frame one by one;the middle part of the frame is provided with a rotating space for the wall plates;the top of the frame is open;the combined curtain wall further comprises: a limiting structure which comprises multiple supporting plates arranged in the frame and a through groove opened in the wall plate and penetrating through the upper and lower ends of the wall plate;the top end of each supporting plate is fixedly connected with a limiting rod;the wall plate is inserted into the limiting rod through the through groove on the wall plate to be limited;the top of the frame is further provided with a fixing assembly to fix the wall plate in the frame;and a surface turning assembly is arranged to move the limiting rod and the wall plate on the limiting rod to move the wall plate into the rotating space to be rotated;the effect is that the advertisement words can be replaced without disassembling the whole curtain wall, and the operation is more convenient.

Description

Technical Field

[0001] This invention relates to the field of curtain walls, and more specifically, to a modular curtain wall and its method of use. Background Technology

[0002] A curtain wall is a non-load-bearing exterior wall cladding for a building. It hangs like a curtain, hence the name "curtain wall." It is a lightweight wall structure commonly used in modern large and high-rise buildings for decorative purposes. Composed of panels and a supporting structural system, it is a building envelope or decorative structure that can have a certain degree of displacement relative to the main structure or its own deformation capacity, and does not bear the load of the main structure (an exterior wall frame support system is also a type of curtain wall system).

[0003] In locations where lighting requirements are low (such as warehouses), large opaque curtain walls are often installed on the walls for decorative purposes. A single curtain wall can typically cover the entire wall. The content on these curtain walls is mostly advertising. Large opaque curtain walls offer significant advantages for displaying advertisements. Compared to traditional stickers, curtain walls have a larger area, allowing for more complete and eye-catching content display, and creating a stronger visual impact. This effectively attracts attention and achieves excellent advertising results, making them popular with manufacturers. However, these curtain walls are significantly larger than regular curtain walls, making transportation difficult. Furthermore, changing the advertising content requires disassembling and reinstalling the entire curtain wall, making the process cumbersome and limiting its large-scale use.

[0004] Therefore, in order to solve the above-mentioned technical problems, this application proposes a combined curtain wall and its usage method. Summary of the Invention

[0005] In view of the shortcomings of the existing technology, the purpose of this invention is to provide a modular curtain wall and its usage method.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a modular curtain wall, comprising a frame and wall panels disposed inside the frame, wherein the wall panels are divided into multiple portions and can be installed one by one in the frame, the frame having a rotation space for the wall panels in the middle, and the top of the frame being open; the modular curtain wall further comprises:

[0007] The limiting structure includes multiple support plates set inside the frame, and through slots opened on the wall panel extending through its upper and lower ends. Each support plate is fixedly connected to a limiting rod at its top. The wall panel is inserted into the limiting rod through the through slot to limit its position. The top of the frame is also equipped with a fixing component to fix the wall panel in the frame.

[0008] The flipping assembly can move the limiting rod and the wall panel on it to move the wall panel into the rotation space for rotation. After rotation, it returns to the fixed position to fix the wall panel.

[0009] Preferably, the inner surface of the frame has a protrusion near the bottom to quickly locate the fixing point of the wall panel; the wall panel is fixed when it abuts against the protrusion.

[0010] Preferably, the fixing component includes a guide rail A fixed to the inner surface of the opening at the top of the frame, a slider A slidably connected to the surface of the guide rail A, a telescopic rod fixedly connected to the surface of the slider A, the head of the telescopic rod being fixed to the lifting plate via an L-shaped plate, and a frame plate fixedly connected to the bottom end of the lifting plate.

[0011] Preferably, mounting plates are fixedly connected to both sides of the inner surface of the frame, and screws are fixedly connected to the four corners of the top of the mounting plates. Circular grooves are opened at the four corners of the top of the lifting plate. Through holes A are opened at the bottom of the circular grooves, penetrating the bottom of the lifting plate and allowing the screws to pass through. A threaded cylinder is threadedly connected to the outer wall of the screw. A circular top plate is fixedly connected to the top of the threaded cylinder. A sealing ring is bonded to the bottom of the circular top plate. A screwdriver groove is opened at the top of the circular top plate.

[0012] Preferably, the flipping assembly is fixed to a guide rail B on the bottom wall of the frame for sliding the slider B. A bearing is fixedly connected to the top of the slider B, and a rotating rod is fixedly connected to the inner ring of the bearing. The top of the rotating rod is connected to the bottom of the support plate, so as to move and rotate the limiting rod and the wall panel.

[0013] Preferably, a square block is fixedly connected between the rotating rod and the support plate, and a baffle is fixedly connected to the inner surface of the protrusion to restrict the rotation of the square block, so as to restrict the square block and the wall panel, prevent rotation, and thus prevent it from being blocked by other wall panels and difficult to return to the fixed position of the wall panel.

[0014] Preferably, the interior of the frame, located at the rear of the rotation space, is detachably connected to a fork-shaped reinforcing rod, which can be selectively installed as needed.

[0015] Preferably, vertical plates are fixedly connected to the upper and lower sides of both sides inside the frame, and connecting plates are fixedly connected to the four ends of the fork-shaped reinforcing rod. Through holes B are opened on both the connecting plates and the vertical plates. By aligning the two through holes B and fixing them with bolts, the fork-shaped reinforcing rod can be installed.

[0016] Preferably, the wall panel has a square cross-section, which allows different advertising slogans to be designed on all four sides, resulting in a better user experience.

[0017] The above-mentioned method of using the combined curtain wall includes the following steps:

[0018] Step 1: Insert multiple wall panels into multiple limiting rods one by one through the opening at the top of the frame for positioning. The bottom of the wall panels is supported by a support plate, thus forming a complete wall panel.

[0019] Step 2: Push the lifting plate forward. The lifting plate drives the slider A forward through the L-shaped plate and the telescopic rod. The slider A slides forward along the guide rail A. When the slider A moves to the front of the guide rail A, the lifting plate is exactly opposite the top of the wall panel.

[0020] Step 3: Next, push the lifting plate downwards, and the telescopic rod will shorten accordingly, thus maintaining the straight movement of the lifting plate. The lifting plate moves downwards so that its bottom frame plate fits down onto the outer wall of multiple wall panels near the top. Then, rotate the circular top plate, which drives the threaded cylinder to rotate. Install the threaded cylinder on the screw rod, and the threaded cylinder also enters the through hole A. Finally, the circular top plate is pressed against the bottom surface of the circular groove, and the position of the lifting plate is finally fixed on the mounting plate, thus completing the fixing of multiple wall panels.

[0021] Step 4: When it is necessary to replace the advertising surface, first release the fixing components from the wall panel, and then push the wall panel to move backward. The wall panel will drive the slider B to move backward. The slider B will slide along the guide rail B, thereby moving the wall panel into the rotation space inside the frame.

[0022] Step 5: Rotate the wall panel through the opening at the top of the frame (you can use tools if it is inconvenient). The wall panel drives the rotating rod to rotate through the limit rod. The rotating rod drives the inner ring of the bearing to rotate. The inner ring rotates along with the outer ring. After the rotation is completed, push the wall panel forward to move the wall panel to the fixed position again for fixation.

[0023] Compared with the prior art, the present invention has the following beneficial effects:

[0024] 1. In this invention, multiple wall panels are sequentially inserted into multiple limiting rods through the opening at the top of the frame for positioning. The bottom of the wall panels is supported by a support plate, thereby forming a complete wall panel. Then, the wall panel can be fixed by a fixing component, thus completing the assembly of the modular curtain wall. This allows the wall panels and the frame to be assembled separately, and the wall panels can be divided into multiple pieces, making transportation more convenient and solving the problem of inconvenient transportation in the prior art.

[0025] 2. This invention allows for the design of different advertising content on both sides of the wall panel. When the advertising content needs to be changed, it is only necessary to release the fixing component from the wall panel, and then move and rotate the limiting rod and the wall panel on it through the flipping component. After rotation, the wall panel is returned to the fixing position for fixing, thus achieving the flipping of the wall panel. By flipping each wall panel in sequence using this method, frequently used advertisements can be set on both sides of the wall panel. The advertising slogan can be changed without disassembling the entire curtain wall, which is more convenient for operation and solves the problem in the background technology that when changing the advertising content, it is necessary to disassemble and install the entire curtain wall and then install a new curtain wall, which is more troublesome.

[0026] 3. In this invention, after the wall panel is flipped over and before it moves to the fixed position, the square block will first move between the baffles. The baffles will hold the square block and the wall panel together to restrict the square block and prevent it from rotating. Otherwise, it will be blocked by other wall panels and difficult to return to the fixed position. Attached Figure Description

[0027] The accompanying drawings, which are included to provide a further understanding of the invention and form part of this application, illustrate exemplary embodiments of the invention and, together with their description, serve to explain the invention and do not constitute an undue limitation thereof. In the drawings:

[0028] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0029] Figure 2 This is a schematic diagram of the top structure of the present invention;

[0030] Figure 3 For the present invention Figure 2 Enlarged view of the local structure of A;

[0031] Figure 4 This is a schematic diagram of the specific structure of the present invention after the back wall panel is removed;

[0032] Figure 5 For the present invention Figure 4 Enlarged view of the local structure of B;

[0033] Figure 6 This is a schematic diagram of the specific structure of the frame plate in this invention;

[0034] Figure 7 This is a schematic diagram of the specific structure of the threaded cylinder connection in this invention.

[0035] In the diagram: 1. Frame; 2. Wall panel;

[0036] 3. Limiting structure; 301, Support plate; 302, Through groove; 303, Limiting rod; 304, Fixing assembly; 304a, Guide rail A; 304b, Slider A; 304c, Telescopic rod; 304d, L-shaped plate; 304e, Lifting plate; 304f, Frame plate; 304g, Mounting plate; 304h, Screw; 304i, Circular groove; 304j, Through hole A; 304k, Threaded cylinder; 304m, Circular top plate; 304n, Sealing ring; 304o, Screwdriver slot;

[0037] 4. Flipping assembly; 401. Guide rail B; 402. Slider B; 403. Bearing; 404. Rotating rod; 405. Square block; 406. Baffle;

[0038] 5. Protrusion; 6. Fork-shaped reinforcing bar; 7. Vertical plate; 8. Connecting plate; 9. Through hole B. Detailed Implementation

[0039] Example 1

[0040] like Figures 1 to 3 As shown, the present invention provides a modular curtain wall, including a frame 1 and wall panels 2 disposed inside the frame 1. Multiple wall panels 2 are proportionally divided and can be installed one by one in the frame 1. The frame 1 has a rotation space for the wall panels 2 in the middle, and the top of the frame 1 is open. The modular curtain wall also includes:

[0041] The limiting structure 3 includes multiple support plates 301 disposed inside the frame 1, and through slots 302 formed on the wall panel 2 through its upper and lower ends. Each support plate 301 is fixedly connected to a limiting rod 303. The wall panel 2 is inserted into the limiting rod 303 through the through slots 302 to limit its position. The top of the frame 1 is also equipped with a fixing component 304 to fix the wall panel 2 in the frame 1.

[0042] The flipping assembly 4 can move the limiting rod 303 and the wall panel 2 on it to move the wall panel 2 into the rotation space for rotation. After the rotation is completed, it returns to the fixed position to fix the wall panel 2.

[0043] In use, multiple wall panels 2 are sequentially inserted into multiple limiting rods 303 through the opening at the top of the frame 1 for positioning. The bottom of the wall panels is supported by the support plate 301, thus forming a complete wall panel 2 (the wall panels 2 are tightly fitted together to reduce gaps and improve the overall viewing appearance). Then, the wall panels 2 can be fixed in place by the fixing components 304, thus completing the assembly of the modular curtain wall. This allows for the separate assembly of the wall panels 2 and the frame 1, and also allows the wall panels 2 to be divided into multiple pieces, making transportation more convenient (the wall panels 2 are relatively large and more fragile than the frame during transportation, making them susceptible to damage from impacts; transporting them in multiple pieces reduces the risk of damage). (Low risk), and the present invention allows for different advertising content to be designed on both sides of the wall panel 2. When the advertising content needs to be changed, it is only necessary to release the fixing component 304 from the wall panel 2, and move and rotate the limiting rod 303 and the wall panel 2 on it through the flipping component 4. After the rotation is completed, it is returned to the fixing part of the wall panel 2 for fixing, thus realizing the flipping of the wall panel 2 (if it is not moved, the sides of the wall panel 2 are stuck together and cannot rotate). By flipping each wall panel 2 in sequence in this way, frequently used advertisements can be set on both sides of the wall panel 2. The advertising slogans can be changed without disassembling the entire curtain wall, which is more convenient for operation.

[0044] Furthermore, a protrusion 5 is provided on the inner surface of the frame 1 near the bottom. The protrusion 5 abuts against the surface of the wall panel 2 near the bottom, so that the wall panel 2 is exactly at the fixing position. The protrusion 5 makes it easy for the staff to find the fixing position of the wall panel 2, eliminating the need for alignment operation when fixing the fixing component 304.

[0045] It should be noted that wall panel 2 can be set as a long strip with a square cross-section, so that different advertising slogans can be designed on its four sides. By rotating and flipping it (only two sides need to be rotated 180 degrees, and the four sides only need to be rotated 90 degrees), four different types of advertisements can be presented to people, which will improve the effect.

[0046] The curtain wall is designed to be wider in the accompanying drawings for the purpose of clearly illustrating the structure. If only the width differs from that of this invention, it is still within the scope of protection of this invention.

[0047] Example 2

[0048] like Figures 1 to 7As shown, this embodiment provides a detailed description of the fixing component 304 and the flipping component 4 in Embodiment 1: The fixing component 304 includes a guide rail A304a fixed to the inner surface of the top opening of the frame 1. A slider A304b is slidably connected to the surface of the guide rail A304a. A telescopic rod 304c is fixedly connected to the surface of the slider A304b. The head of the telescopic rod 304c is fixed to the lifting plate 304e via an L-shaped plate 304d. A frame plate 304f is fixedly connected to the bottom end of the lifting plate 304e. Mounting plates 304g are fixedly connected to both sides of the inner surface of the frame 1. Screws 304h are fixedly connected to the four corners of the top of the mounting plates 304g. Circular grooves 304h are provided at the four corners of the top of the lifting plate 304e. 4i, the bottom of the circular groove 304i is provided with a through hole A304j that passes through the bottom end of the lifting plate 304e and allows the screw 304h to pass through. A threaded cylinder 304k is threadedly connected to the outer wall of the screw 304h. A circular top plate 304m is fixedly connected to the top of the threaded cylinder 304k. A sealing ring 304n is bonded to the bottom end of the circular top plate 304m. A screwdriver groove 304o is opened at the top of the circular top plate 304m. The flipping assembly 4 is fixed to the guide rail B401 on the inner bottom wall of the frame 1 for the slider B402 to slide. A bearing 403 is fixedly connected to the top of the slider B402. A rotating rod 404 is fixedly connected to the inner ring of the bearing 403. The top of the rotating rod 404 is connected to the bottom end of the support plate 301.

[0049] After wall panel 2 is inserted into the limiting rod 303 for limiting, the fixing component 304 can be released. Then, wall panel 2 can be pushed backward, causing slider B402 to move backward. Slider B402 slides along guide rail B401, thus moving wall panel 2 into the rotation space inside frame 1. Wall panel 2 is rotated through the opening at the top of frame 1 (tools can be used if inconvenient). Wall panel 2 drives the rotating rod 404 to rotate via the limiting rod 303. The rotating rod 404 drives the inner ring of bearing 403 to rotate, and its inner ring rotates along its outer ring. After rotation, wall panel 2 is pushed forward, moving the wall panel... 2. Move to the fixed position again. Rotate each wall panel 2 in sequence using this method. Then, fix the completely flipped wall panel 2. During fixing, push the lifting plate 304e forward. The lifting plate 304e drives the slider A304b forward through the L-shaped plate 304d and the telescopic rod 304c. The slider A304b slides forward along the guide rail A304a. When the slider A304b moves to the front of the guide rail A304a, the lifting plate 304e is exactly opposite the top of the wall panel 2. Then, push the lifting plate 304e downward. The telescopic rod 304c shortens accordingly, thereby maintaining the lifting plate 304e. The linear movement of 04e causes the lifting plate 304e to move downwards, causing its bottom frame plate 304f to fit downwards onto the outer side wall of multiple wall panels 2 near the top (closely touching each other). The bottom of the lifting plate 304e is close to the top of the wall panel 2. At this time, the lifting plate 304e and the mounting plate 304g are also close to each other. The through hole A304j on the lifting plate 304e is also inserted into the screw 304h on the mounting plate 304g. Then, the circular top plate 304m is rotated (it should be noted that the circular top plate 304m has a screwdriver slot 304o, which can be used to rotate the circular top plate 304m by applying a screwdriver to the slot, making it easier to rotate). Workers perform disassembly and assembly operations (disassembly is achieved by rotating the circular top plate 304m in the opposite direction). The circular top plate 304m drives the threaded cylinder 304k to rotate, and the threaded cylinder 304k is installed on the screw 304h. The threaded cylinder 304k also enters the through hole A304j. Finally, the circular top plate 304m is pressed against the bottom surface of the circular groove 304i, and the sealing ring 304n on it is compressed, thereby sealing the threaded connection part and preventing rust from occurring in this part, which would make disassembly difficult. Finally, the position of the lifting plate 304e is fixed on the mounting plate 304g, thus completing the fixing of multiple wall panels.

[0050] It should be noted that if the lifting platform 304e obstructs the operator's rotation or pushing of the wall panel 2, the lifting platform 304e can be moved back and forth to a position that does not hinder operation.

[0051] Furthermore, a square block 405 is fixedly connected between the rotating rod 404 and the support plate 301. A baffle 406 is also fixedly connected to the inner surface of the protrusion 5 to restrict the rotation of the square block 405. In this way, after the wall panel 2 is flipped over, before it moves to the fixed position, the square block 405 will first move between the baffles 406. The baffles 406 abut against the two sides of the square block 405 to restrict the square block 405 and the wall panel 2, so as to prevent rotation and thus be blocked by other wall panels 2, making it difficult to return to the fixed position.

[0052] Example 3

[0053] like Figure 4 , Figure 5 As shown, this embodiment is an improvement on embodiment 1. Frame 1 can be used in areas with normal climate, but in areas frequently experiencing strong winds and other severe weather conditions, it is necessary to strengthen the stability of the structure. Therefore, in this embodiment, a fork-shaped reinforcing rod 6 is detachably connected to the rear part of the rotation space inside frame 1. It can be installed as needed to prevent damage to the curtain wall. The detachable structure is as follows: vertical plates 7 are fixedly connected to the upper and lower sides of both sides inside frame 1. Connecting plates 8 are fixedly connected to the four ends of the fork-shaped reinforcing rod 6. Through holes B9 are opened on both connecting plates 8 and vertical plates 7. By aligning the two through holes B9 and fixing them with bolts, the fork-shaped reinforcing rod 6 can be installed. The fork-shaped reinforcing rod 6 strengthens the structure of frame 1 and can better protect the curtain wall. Of course, it is not necessary to install it in areas with normal climate to reduce the cost of use.

[0054] This invention also provides a method for using the above-mentioned combined curtain wall:

[0055] Step 1: Insert multiple wall panels 2 into multiple limiting rods 303 one by one through the opening at the top of the frame 1 for limiting (in the initial state, the limiting rods 303 are in the fixed position). The bottom of the wall panel is supported by the support plate 301, thereby forming a complete wall panel 2.

[0056] Step 2: Push the lifting plate 304e forward. The lifting plate 304e drives the slider A304b forward through the L-shaped plate 304d and the telescopic rod 304c. The slider A304b slides forward along the guide rail A304a. When the slider A304b moves to the front of the guide rail A304a, the lifting plate 304e is exactly opposite to the top of the wall panel 2.

[0057] Step 3: Then push the lifting plate 304e downward, and the telescopic rod 304c shortens accordingly, thereby maintaining the linear movement of the lifting plate 304e. The lifting plate 304e moves downward so that its bottom frame plate 304f fits down onto the outer side wall of multiple wall panels 2 near the top. Next, rotate the circular top plate 304m, which drives the threaded cylinder 304k to rotate. Install the threaded cylinder 304k on the screw 304h. The threaded cylinder 304k also enters the through hole A304j. Finally, the circular top plate 304m is pressed against the bottom surface of the circular groove 304i, and the position of the lifting plate 304e is fixed on the mounting plate 304g, thus completing the fixing of multiple wall panels 2.

[0058] Step 4: When it is necessary to replace the advertising surface, first release the fixing component 304 from the wall panel 2, and then push the wall panel 2 to move backward. The wall panel 2 drives the slider B402 to move backward. The slider B402 slides along the guide rail B401, thereby moving the wall panel 2 into the rotation space inside the frame 1.

[0059] Step 5: Rotate the wall panel 2 through the opening at the top of frame 1 (tools can be used if it is inconvenient). The wall panel 2 drives the rotating rod 404 to rotate through the limiting rod 303. The rotating rod 44 drives the inner ring of the bearing 403 to rotate. Its inner ring rotates along its outer ring. After the rotation is completed, push the wall panel 2 forward to move the wall panel 2 to the fixed position again for fixation.

[0060] The present invention provides a combined curtain wall and its method of use, which have the following advantages:

[0061] Multiple wall panels 2 are inserted sequentially into multiple limiting rods 303 through the opening at the top of the frame 1 for limiting. The bottom of the wall panel 2 is supported by the support plate 301, thus forming a complete wall panel 2. Then, the wall panel 2 can be fixed by the fixing component 304, thus completing the assembly of the modular curtain wall. In this way, the wall panel 2 and the frame 1 can be assembled separately, and the wall panel 2 can be divided into multiple pieces, which is more convenient for transportation.

[0062] Different advertising content can be designed on both sides of the wall panel 2. When it is necessary to change the advertising content, simply release the fixing component 304 from the wall panel 2, and move and rotate the limiting rod 303 and the wall panel 2 on it through the flipping component 4. After the rotation is completed, return to the fixing part of the wall panel 2 for fixing, and the wall panel 2 can be flipped. By flipping each wall panel 2 in sequence in this way, frequently used advertisements can be set on both sides of the wall panel 2. The advertising slogan can be changed without disassembling the entire curtain wall, which is more convenient for operation.

[0063] After the wall panel 2 is flipped over, before it moves to the fixed position, the square block 405 will first move between the baffles 406. The baffles 406 will press against the two sides of the square block 405 to restrict the square block 405 and the wall panel 2, preventing them from rotating and being blocked by other wall panels 2, making it difficult for them to return to the fixed position.

[0064] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention in any way. Those skilled in the art can readily implement the present invention based on the accompanying drawings and the above description. However, any modifications, alterations, or variations made by those skilled in the art without departing from the scope of the present invention, utilizing the disclosed technical content, are equivalent embodiments of the present invention. Furthermore, any modifications, alterations, or variations made to the above embodiments based on the essential technology of the present invention are still within the protection scope of the present invention.

Claims

1. A modular curtain wall, comprising a frame (1) and wall panels (2) disposed inside the frame (1), characterized in that: The wall panels (2) are divided into multiple equal parts, which can be installed one by one in the frame (1). The frame (1) has a rotation space for the wall panels (2) in the middle. The top of the frame (1) is open. The combined curtain wall also includes: The limiting structure (3) includes multiple support plates (301) set inside the frame (1) and through slots (302) opened on the wall panel (2) through its upper and lower ends. The top of each support plate (301) is fixedly connected to a limiting rod (303). The wall panel (2) is inserted into the limiting rod (303) through the through slot (302) to limit it. The top of the frame (1) is also equipped with a fixing component (304) to fix the wall panel (2) in the frame (1). The flipping assembly (4) can move the limiting rod (303) and the wall panel (2) thereon to move the wall panel (2) into the rotation space for rotation. After the rotation is completed, it returns to the fixed position to fix the wall panel (2). The fixing component (304) includes a guide rail A (304a) fixed on the inner surface of the top opening of the frame (1), a slider A (304b) slidably connected to the surface of the guide rail A (304a), a telescopic rod (304c) fixedly connected to the surface of the slider A (304b), the head of the telescopic rod (304c) being fixed to the lifting plate (304e) through an L-shaped plate (304d), and a frame plate (304f) fixedly connected to the bottom end of the lifting plate (304e). The inner surface of the frame (1) is fixedly connected to both sides of the mounting plate (304g). The top four corners of the mounting plate (304g) are fixedly connected to the screw (304h). The top four corners of the lifting plate (304e) are provided with circular grooves (304i). The bottom of the circular groove (304i) is provided with a through hole A (304j) that passes through the bottom end of the lifting plate (304e) and allows the screw (304h) to pass through. The outer wall of the screw (304h) is threaded with a threaded cylinder (304k). The top of the threaded cylinder (304k) is fixedly connected to a circular top plate (304m). The bottom end of the circular top plate (304m) is bonded with a sealing ring (304n). The top of the circular top plate (304m) is provided with a screwdriver groove (304o). The flipping assembly (4) is fixed to the guide rail B (401) on the inner bottom wall of the frame (1) for sliding the slider B (402). The top of the slider B (402) is fixedly connected to a bearing (403). A rotating rod (404) is fixedly connected to the inner ring of the bearing (403). The top of the rotating rod (404) is connected to the bottom of the support plate (301).

2. A composite curtain wall according to claim 1, characterized in that: The inner surface of the frame (1) near the bottom has a protrusion (5).

3. A composite curtain wall according to claim 2, characterized in that: A square block (405) is fixedly connected between the rotating rod (404) and the support plate (301), and a baffle (406) is fixedly connected to the inner surface of the protrusion (5) to restrict the rotation of the square block (405).

4. A composite curtain wall according to claim 1, characterized in that: The frame (1) is detachably connected to a fork-shaped reinforcing rod (6) at the rear part of the rotation space.

5. A composite curtain wall according to claim 4, characterized in that: The frame (1) has vertical plates (7) fixedly connected to the upper and lower sides of both sides inside. The four ends of the fork-shaped reinforcing rod (6) are fixedly connected to connecting plates (8). Both the connecting plate (8) and the vertical plate (7) have through holes B (9) and are fixed by bolts.

6. A composite curtain wall according to claim 1, characterized in that: The cross-section of the wall panel (2) is square.

7. The method of using the combined curtain wall according to any one of claims 1-6, characterized in that: Includes the following steps: Step 1: Insert multiple wall panels (2) into multiple limiting rods (303) through the opening at the top of the frame (1) in sequence for limiting. The bottom of the wall panel (2) is supported by the support plate (301), thereby forming a complete wall panel (2). Step 2: Push the lifting plate (304e) forward. The lifting plate (304e) drives the slider A (304b) forward through the L-shaped plate (304d) and the telescopic rod (304c). The slider A (304b) slides forward along the guide rail A (304a). When the slider A (304b) moves to the front of the guide rail A (304a), the lifting plate (304e) is exactly opposite to the top of the wall panel (2). Step 3: Then push the lifting plate (304e) downward, and the telescopic rod (304c) shortens accordingly, thereby maintaining the linear movement of the lifting plate (304e). The lifting plate (304e) moves downward so that its bottom frame plate (304f) fits down onto the outer side wall of multiple wall panels (2) near the top. Then, rotate the circular top plate (304m), which drives the threaded cylinder (304k) to rotate. Install the threaded cylinder (304k) on the screw (304h). The threaded cylinder (304k) also enters the through hole A (304j). Finally, the circular top plate (304m) is pressed against the bottom surface of the circular groove (304i), and the position of the lifting plate (304e) is fixed on the mounting plate (304g), thus completing the fixing of multiple wall panels (2). Step 4: When it is necessary to replace the advertising surface, first release the fixing component (304) from the wall panel (2), then push the wall panel (2) to move backward. The wall panel (2) drives the slider B (402) to move backward. The slider B (402) slides along the guide rail B (401), thereby moving the wall panel (2) to the rotation space inside the frame (1). Step 5: Rotate the wall panel (2) through the opening at the top of the frame (1). The wall panel (2) drives the rotating rod (404) to rotate through the limiting rod (303). The rotating rod (404) drives the inner ring of the bearing (403) to rotate. Its inner ring rotates along its outer ring. After the rotation is completed, push the wall panel (2) forward to move the wall panel (2) to the fixed position again for fixing.

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