Combined sound insulation titanium alloy curtain wall

Abstract

The invention discloses a combined sound insulation titanium alloy curtain wall which comprises a connecting piece and a plurality of curtain wall bodies arranged on the connecting piece, each curtain wall body comprises a titanium alloy frame detachably connected with the connecting piece through a fastening bolt, and a plurality of clamping pieces are arranged on the edge of an inner cavity of each titanium alloy frame. A flame-retardant sound-absorbing reinforcing part and a decoration panel are sequentially arranged on the inner side of the panel from back to front and are clamped and fixed through the multiple clamping parts. By means of the combined sound insulation titanium alloy curtain wall, the problems that once an existing sound absorption curtain wall designed in an integrated mode is damaged, the whole curtain wall needs to be replaced, disassembly and assembly are inconvenient, and meanwhile the maintenance cost is high can be effectively solved.

Description

Technical Field

[0001] The invention belongs to the field of architectural design, and in particular relates to a combined sound-insulating titanium alloy curtain wall. Background Art

[0002] The curtain wall is the outer wall of a building. It is hung up like a curtain, so it is also called a hanging wall. It is a lightweight wall with decorative effects commonly used in modern large and high-rise buildings. It is composed of a structural frame and inlaid panels. With the continuous development of building curtain wall technology, the requirements for curtain walls are also constantly increasing. Curtain walls are required to not only have decorative effects, but also have noise reduction and silencing functions. However, existing curtain walls usually adopt an integrated design, that is, sound-absorbing cotton and other materials are filled in the curtain wall for sound absorption. This integrated design, once damaged, often requires the entire curtain wall to be replaced. In addition to the inconvenience of disassembly and assembly, the maintenance cost is also high. Summary of the invention

[0003] In view of the problems existing in the above-mentioned background technology, the present invention provides a combined sound-insulating titanium alloy curtain wall, which effectively solves the problem that once the existing one-piece sound-absorbing curtain wall is damaged, the entire curtain wall needs to be replaced, which is inconvenient to disassemble and assemble and has high maintenance costs.

[0004] In order to achieve the above-mentioned object of the invention, the present invention provides the following technical solutions:

[0005] The present invention discloses a combined soundproof titanium alloy curtain wall, which comprises a connecting piece and a plurality of curtain wall bodies arranged on the connecting piece, wherein the curtain wall body comprises a titanium alloy frame detachably connected to the connecting piece by fastening bolts, a plurality of clips are arranged on the edge of the inner cavity of the titanium alloy frame, and a flame-retardant sound-absorbing reinforcement piece and a decorative panel are arranged on the inner side thereof in sequence from back to front and are clipped and fixed by a plurality of the clips.

[0006] Furthermore, the connecting part includes a hollow step mounting beam, which has a square protrusion on the front side of the hollow step mounting beam, and a square inner cavity is opened on the inner side near the back side, and a plurality of mounting holes are evenly opened on the upper and lower sides of the front side, and explosion-proof screws are respectively arranged inside each of the mounting holes; a through hole compatible with the fastening bolt is opened on the back of the inner cavity of the titanium alloy frame, and a plurality of threaded holes compatible with the fastening bolts are opened on the hollow step mounting beam at intervals along the length direction, and the fastening bolts respectively pass through the through hole of the titanium alloy frame and one of the threaded holes of the hollow step mounting beam to fix the two.

[0007] Furthermore, the end of the fastening bolt passes through the threaded hole and extends to the inner side of the square inner cavity inside the hollow step mounting beam, and the back of the square inner cavity is fixedly connected with a rubber pad that matches and contacts the fastening bolt.

[0008] Furthermore, a mounting opening is provided on the back of the inner cavity of the titanium alloy frame above the through hole, and a U-shaped reinforcement plate is arranged inside the mounting opening. The square protrusion of the hollow step mounting beam is respectively provided with through grooves along the length direction which are connected with each of the threaded holes and matched with the bent portion of the U-shaped reinforcement plate. The inner surface of the through groove is in sliding contact with the outer periphery of a bent portion of the U-shaped reinforcement plate, and the other bent portion of the U-shaped reinforcement plate is arranged inside the titanium alloy frame. Reinforcement holes matched with fastening bolts are provided on the surface of the U-shaped reinforcement plate, and the fastening bolts respectively pass through the reinforcement holes, through holes and threaded holes to connect and fix the titanium alloy frame, the connecting piece and the U-shaped reinforcement plate.

[0009] Furthermore, the flame retardant sound absorbing reinforcement member comprises a polyvinyl chloride assembly shell, a filling port is provided on the top of the polyvinyl chloride assembly shell, and the interior of the polyvinyl chloride assembly shell is filled with a sound absorbing sponge;

[0010] The polyvinyl chloride assembly shell is slidably mounted inside the titanium alloy frame, and a reinforcing block used in conjunction with the mounting port is fixedly connected to the back of the polyvinyl chloride assembly shell and is arranged inside the reinforcing block, and the top and bottom of the reinforcing block are in contact with the top of the inner cavity of the mounting port and the top of the U-shaped reinforcing plate respectively;

[0011] The back of the polyvinyl chloride assembly shell is provided with an embedded blind hole matched with the head of the fastening bolt.

[0012] Furthermore, the bottom and left and right sides of the inner cavity of the titanium alloy frame are fixedly connected with limit strips, and the left and right sides and bottom of the polyvinyl chloride assembly shell are provided with limit grooves adapted to the limit strips and are respectively and correspondingly sleeved on the outside of each limit strip.

[0013] Furthermore, each of the limit bars and the titanium alloy frame is provided with a placement blind hole at a corresponding position and each of the clamping parts is movably provided thereon, the clamping parts comprising a pin rod provided in the placement blind hole, a limit ring is sleeved on the outer periphery of the pin rod and fixedly connected thereto, a spring is sleeved on the outer periphery of the pin rod, one end of the spring is fixedly connected to the surface of the limit ring, and the other end is fixedly connected to the bottom of the placement blind hole;

[0014] Positioning plates are fixedly connected to the bottom and left and right sides of the front side of the polyvinyl chloride assembly shell at positions corresponding to the limit strips. Pin holes matching the pin rods are respectively opened on the surfaces of the positioning plates, and the tops of the pin rods are respectively clamped to the inner sides of the corresponding pin holes.

[0015] Further, the bottom and left and right sides of the back of the decorative panel are fixedly connected with right-angled trapezoidal plates at positions corresponding to the limit strips, the front and left and right sides of the polyvinyl chloride assembly shell are provided with plug-in blind holes corresponding to and adapted to the right-angled trapezoidal plates, the surface of the right-angled trapezoidal plates is provided with pin-connection blind holes, and the right-angled trapezoidal plates are respectively inserted into the corresponding plug-in blind holes and connected and fixed by the top of each pin rod being inserted into the corresponding pin-connection blind hole.

[0016] Furthermore, the decorative panel is slidably mounted inside the titanium alloy frame, and a plurality of suction cups are fixedly connected to the front of the polyvinyl chloride assembly shell, and the plurality of suction cups are in adsorption contact with the back of the decorative panel.

[0017] Compared with the prior art, the combined sound-insulating titanium alloy curtain wall of the present invention has the following beneficial effects:

[0018] (1) The present invention forms a curtain wall body by combining a titanium alloy frame, a flame retardant sound absorbing reinforcement piece and a decorative panel, and realizes rapid assembly of the curtain wall body and the connecting piece by fastening bolts. At the same time, the titanium alloy frame, the flame retardant sound absorbing reinforcement piece and the decorative panel are efficiently and stably assembled by cooperating with the clamping piece. In this way, when the decorative panel is damaged, the decorative panel can be directly replaced, thereby reducing the maintenance cost and providing a reliable guarantee for improving the maintenance efficiency of the curtain wall body.

[0019] (2) The present invention provides enhanced protection for the stability of the connection between the titanium alloy frame and the hollow step mounting beam by setting fastening bolts, hollow step mounting beams, U-shaped reinforcement plates, mounting openings and reinforcement holes, and limits the U-shaped reinforcement plates by setting reinforcement blocks, thereby providing effective protection for the stable connection between the curtain wall body and the hollow step mounting beam.

[0020] (3) The present invention ensures that the polyvinyl chloride assembly shell is stably assembled into the titanium alloy frame through the arrangement of limit strips and limit grooves, and ensures the stability of the connection between the polyvinyl chloride assembly shell and the titanium alloy frame through the arrangement of installation blind holes, springs, limit rings, pin rods, positioning plates and pin holes. The sound-absorbing and flame-retardant effects are achieved through the arrangement of sound-absorbing sponges. The right-angle trapezoidal plate, the plug-in blind holes and the pin hole blind holes are arranged, and the right-angle trapezoidal plate is limited by the pin rod, which provides a guarantee for the convenient and stable assembly of the decorative panel. Under the arrangement of the suction cup, not only a cavity structure is formed between the decorative panel and the polyvinyl chloride assembly shell, which enhances the sound insulation effect, but also provides further guarantee for the stability of the decorative panel. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the external structure of the present invention;

[0022] Figure 2It is a structural schematic diagram of the connecting piece of the present invention;

[0023] Figure 3 It is a structural schematic diagram of the titanium alloy frame of the present invention;

[0024] Figure 4 This is a schematic structural diagram of the flame retardant and sound absorbing reinforcement member of the present invention;

[0025] Figure 5 It is a schematic diagram of the connection of the titanium alloy frame, the flame retardant and sound absorbing reinforcement member and the clamping member structure of the present invention;

[0026] Figure 6 It is a structural schematic diagram of the U-shaped reinforcement plate of the present invention;

[0027] Figure 7 It is a schematic diagram of the internal structure of the present invention;

[0028] In the figure: 1. Connector; 2. Curtain wall body; 3. Titanium alloy frame; 4. Flame retardant sound-absorbing reinforcement; 5. Decorative panel; 6. Snap-on; 7. Fastening bolt; 8. Hollow step mounting beam; 81. Square protrusion; 82. Square inner cavity; 9. Mounting hole; 10. Explosion-proof screw; 11. Through hole; 12. Threaded hole; 13. Mounting port; 14. U-shaped reinforcement plate; 15. Through groove; 16. Reinforcement hole; 17. Rubber pad; 18. PVC assembly shell; 19. Filling port; 20. Silencing sponge; 21. Reinforcement block; 22. Embedded blind hole; 23. Limiting strip; 24. Limiting groove; 25. Pin rod; 26. Limiting ring; 27. Spring; 28. Placement blind hole; 29. ​​Positioning plate; 30. Pin hole; 31. Right-angle trapezoidal plate; 32. Plug-in blind hole; 33. Pin-connected blind hole; 34. Suction cup. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present invention. Unless otherwise defined, the technical terms or scientific terms used herein should be the usual meanings understood by people with general skills in the field to which the present disclosure belongs. "Up", "down", "left", "right", "front", "back" and the like used in the patent application specification and claims of the present disclosure are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship also changes accordingly. "Connect" or "connected" and similar words are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. The parts not described in detail in the present invention are all known technologies of technicians in the field of this technology.

[0030] Please refer to Figure 1-7 The present application discloses a combined soundproof titanium alloy curtain wall, which includes a connecting member 1 and a plurality of curtain wall bodies 2 arranged on the connecting member 1. The curtain wall body 2 includes a titanium alloy frame 3 detachably connected to the connecting member 1 by fastening bolts 7. The titanium alloy frame 3 has an inner cavity, and a plurality of clips 6 are arranged on the edge of the inner cavity. A flame-retardant sound-absorbing reinforcement 4 and a decorative panel 5 are arranged on the inner side thereof in sequence from back to front and are clipped and fixed by a plurality of clips 6.

[0031] In order to facilitate the detachable connection between the curtain wall body 2 and the connector 1, the connector 1 includes a hollow step mounting beam 8, the front of the hollow step mounting beam 8 has a square protrusion 81, and a square inner cavity 82 is opened near the inner side of the back. A plurality of mounting holes 9 are evenly opened on the upper and lower sides of the front, and explosion-proof screws 10 are respectively arranged inside each mounting hole 9 for connection with the building outer wall; a through hole 11 adapted to the fastening bolt 7 is opened on the back of the inner cavity of the titanium alloy frame 3, and a plurality of threaded holes 12 adapted to the fastening bolt 7 are arranged at intervals along the length direction on the hollow step mounting beam 8, and the fastening bolt 7 passes through the through hole 11 of the titanium alloy frame 3 and one of the threaded holes 12 of the hollow step mounting beam 8 to fix the two. Furthermore, the end of the fastening bolt 7 passes through the threaded hole 12 and extends to the inner side of the square inner cavity 82 inside the hollow step mounting beam 8, and the back of the square inner cavity 82 is fixedly connected with a rubber pad 17 adapted to and in contact with the fastening bolt 7.

[0032] In order to achieve a convenient and stable connection between the polyvinyl chloride assembly shell 18 and the titanium alloy frame 3, as a more preferred embodiment, an installation opening 13 is opened on the back of the inner cavity of the titanium alloy frame 3 above the through hole 11, and a U-shaped reinforcement plate 14 is arranged inside the installation opening 13. The square protrusion 81 of the hollow step mounting beam 8 is respectively provided with through grooves 15 along the length direction, which are connected with each threaded hole 12 and matched with the bent part of the U-shaped reinforcement plate 14. The inner surface of the through groove 15 is in sliding contact with the outer periphery of a bent part of the U-shaped reinforcement plate 14, and the other bent part of the U-shaped reinforcement plate 14 is arranged inside the titanium alloy frame 3. The surface of the U-shaped reinforcement plate 14 is provided with reinforcement holes 16 matched with the fastening bolts 7. The fastening bolts 7 respectively pass through the reinforcement holes 16, the through holes 11 and the threaded holes 12 to connect and fix the titanium alloy frame 3, the connecting member 1 and the U-shaped reinforcement plate 14.

[0033] In order to enhance the decorative effect and flame retardant and sound-absorbing effect of the curtain wall body 2, the flame retardant and sound-absorbing reinforcement 4 includes a polyvinyl chloride assembly shell 18, a filling port 19 is provided at the top of the polyvinyl chloride assembly shell 18, and the interior of the polyvinyl chloride assembly shell 18 is filled with a sound-absorbing sponge 20; the polyvinyl chloride assembly shell 18 is slidably installed inside the titanium alloy frame 3, and the back of the polyvinyl chloride assembly shell 18 is fixedly connected to a reinforcement block 21 used in conjunction with the installation port 13 and is arranged in the reinforcement block 21, and the top and bottom of the reinforcement block 21 are respectively in contact with the top of the inner cavity of the installation port 13 and the top of the U-shaped reinforcement plate 14; the back of the polyvinyl chloride assembly shell 18 is provided with an embedded blind hole 22 that is compatible with the head of the fastening bolt 7.

[0034] In order to facilitate the convenient and stable connection between the polyvinyl chloride assembly shell 18 and the titanium alloy frame 3, as a preferred embodiment, the bottom and left and right sides of the inner cavity of the titanium alloy frame 3 are fixedly connected with limit strips 23, and the left and right sides and bottom of the polyvinyl chloride assembly shell 18 are provided with limit grooves 24 that are compatible with the limit strips 23 and are respectively correspondingly mounted on the outside of each limit strip 23.

[0035] As a more preferred embodiment, each limit strip 23 and the titanium alloy frame 3 are respectively provided with a blind hole 28 at the corresponding position and are respectively movably provided with each clamping part 6, the clamping part 6 includes a pin rod 25 arranged in the blind hole 28, the outer periphery of the pin rod 25 is sleeved and fixedly connected with a limit ring 26, the outer periphery of the pin rod 25 is sleeved with a spring 27, one end of the spring 27 is fixedly connected to the surface of the limit ring 26, and the other end is fixedly connected to the bottom of the blind hole 28; the bottom and left and right sides of the front side of the polyvinyl chloride assembly shell 18 are fixedly connected with positioning plates 29 at the corresponding positions of each limit strip 23, the surface of each positioning plate 29 is respectively provided with a pin hole 30 adapted to the pin rod 25, and the top of each pin rod 25 is respectively clamped to the inner side of each corresponding pin hole 30.

[0036] As a preferred solution, in order to realize the convenient assembly of the decorative panel 5 and to replace the decorative panel 5 separately after the decorative panel 5 is damaged, the bottom and left and right sides of the back of the decorative panel 5 are fixedly connected with right-angled trapezoidal plates 31 at the positions corresponding to the limit strips 23, and the front and left and right sides of the polyvinyl chloride assembly shell 18 are provided with plug-in blind holes 32 corresponding to and adapted to the right-angled trapezoidal plates 31, and the surface of the right-angled trapezoidal plates 31 is provided with pin-connected blind holes 33, and each right-angled trapezoidal plate 31 is respectively inserted into the corresponding plug-in blind holes 32 and connected and fixed through the top of each pin rod 25 inserted into the corresponding pin-connected blind holes 33.

[0037] In order to further improve the installation stability of the decorative panel 5 and further improve the sound-absorbing effect of the curtain wall body 2, the decorative panel 5 is slidably installed inside the titanium alloy frame 3, and a plurality of suction cups 34 are fixedly connected to the front of the polyvinyl chloride assembly shell 18, and the plurality of suction cups 34 are in adsorption contact with the back of the decorative panel 5.

[0038] When in use, use explosion-proof screws 10 to pass through the mounting holes 9 and fix the hollow step mounting beam 8 to the exterior wall of the building, then place the U-shaped reinforcement plate 14 in the mounting opening 13, insert a bent portion into the through groove 15, and then pass the fastening bolts 7 through a reinforcement hole 16, a through hole 11, a partial threaded hole 12, another reinforcement hole 16, and the remaining threaded holes 12 in sequence until they are tightened on the rubber pad 17, thereby completing the assembly of the titanium alloy frame 3.

[0039] Insert the silencer sponge 20 into the polyvinyl chloride assembly shell 18 from the filling port 19, and then place the polyvinyl chloride assembly shell 18 in the titanium alloy frame 3. During the installation process, the three limit grooves 24 are respectively sleeved in the three limit strips 23 until the polyvinyl chloride assembly shell 18 drives the reinforcement block 21 to be inserted into the installation port 13. At this time, the embedded blind hole 22 is sleeved on the outer periphery of the head of the fastening bolt 7.

[0040] In the process of pushing the polyvinyl chloride assembly shell 18 into the titanium alloy frame 3, the pin rod 25 is pre-extruded so that the pin rod 25 drives the limit ring 26 to compress the spring 27. After the pin rod 25 is placed in the blind hole 28, the polyvinyl chloride assembly shell 18 is pushed in. When the reinforcement block 21 is inserted into the installation port 13, the spring 27 is reset, so that the pin rod 25 is reset and passes through the pin hole 30 of the positioning plate 29, thereby completing the positioning of the polyvinyl chloride assembly shell 18.

[0041] When assembling the decorative panel 5, keep the three right-angled trapezoidal plates 31 aligned with the plug-in blind holes 32 and place the decorative panel 5 in the titanium alloy frame 3. During the installation process, the inclined surface of the right-angled trapezoidal plate 31 presses the pin rod 25 and compresses the spring 27. When the right-angled trapezoidal plate 31 moves to the pin-connected blind hole 33 and aligns with the pin rod 25, the spring 27 resets and pushes the pin rod 25 into the pin-connected blind hole 33, completing the assembly of the decorative panel 5.

[0042] During the movement of the decorative panel 5, the suction cup 34 is squeezed so that the suction cup 34 adsorbs the back of the decorative panel 5. It should be noted that when the decorative panel 5 is damaged, the decorative panel 5 can be directly removed and a new decorative panel 5 can be taken for reassembly.

Claims

1. A combined soundproof titanium alloy curtain wall, characterized in that: The invention comprises a connecting member (1) and a plurality of curtain wall bodies (2) arranged on the connecting member (1); the curtain wall body (2) comprises a titanium alloy frame (3) detachably connected to the connecting member (1) via fastening bolts (7); a plurality of clamping members (6) are arranged at the edge of the inner cavity of the titanium alloy frame (3); a flame retardant sound absorbing reinforcement member (4) and a decorative panel (5) are arranged in sequence on the inner side thereof from the back to the front and are clamped and fixed by the plurality of clamping members (6).

2. The combined soundproof titanium alloy curtain wall according to claim 1 is characterized by: The connecting member (1) comprises a hollow step mounting beam (8), the front of the hollow step mounting beam (8) having a square protrusion (81), the inner side of the hollow step mounting beam (8) being provided with a square inner cavity (82), the upper and lower sides of the front of the hollow step mounting beam (8) being evenly provided with a plurality of mounting holes (9), each of the mounting holes (9) being provided with an explosion-proof screw (10); the back of the inner cavity of the titanium alloy frame (3) being provided with a through hole (11) matching the fastening bolt (7), the hollow step mounting beam (8) being provided with a plurality of threaded holes (12) matching the fastening bolt (7) at intervals along the length direction, the fastening bolt (7) respectively passing through the through hole (11) of the titanium alloy frame (3) and one of the threaded holes (12) of the hollow step mounting beam (8) to fix the two.

3. The combined soundproof titanium alloy curtain wall according to claim 2 is characterized in that: The end of the fastening bolt (7) passes through the threaded hole (12) and extends to the inside of the square inner cavity (82) inside the hollow step mounting beam (8), and the back of the square inner cavity (82) is fixedly connected with a rubber pad (17) that matches and contacts the fastening bolt (7).

4. The combined soundproof titanium alloy curtain wall according to claim 2 is characterized in that: The back of the inner cavity of the titanium alloy frame (3) is provided with an installation opening (13) located above the through hole (11), and a U-shaped reinforcement plate (14) is arranged inside the installation opening (13). The square protrusion (81) of the hollow step mounting beam (8) is provided with through grooves (15) along the length direction, which are connected with each of the threaded holes (12) and matched with the bent portion of the U-shaped reinforcement plate (14). The inner surface of the through groove (15) is in sliding contact with the outer periphery of a bent portion of the U-shaped reinforcement plate (14). The other bent portion of the U-shaped reinforcement plate (14) is arranged inside the titanium alloy frame (3). The surface of the U-shaped reinforcement plate (14) is provided with a reinforcement hole (16) matched with a fastening bolt (7). The fastening bolt (7) passes through the reinforcement hole (16), the through hole (11) and the threaded hole (12) respectively to connect and fix the titanium alloy frame (3), the connecting piece (1) and the U-shaped reinforcement plate (14).

5. A combined soundproof titanium alloy curtain wall according to any one of claims 1 to 4, characterized in that: The flame retardant sound absorbing reinforcement member (4) comprises a polyvinyl chloride assembly shell (18), a filling port (19) is provided on the top of the polyvinyl chloride assembly shell (18), and the interior of the polyvinyl chloride assembly shell (18) is filled with a sound absorbing sponge (20); The polyvinyl chloride assembly shell (18) is slidably mounted inside the titanium alloy frame (3); a reinforcing block (21) used in conjunction with the mounting opening (13) is fixedly connected to the back of the polyvinyl chloride assembly shell (18) and is arranged inside the reinforcing block (21); the top and bottom of the reinforcing block (21) are in contact with the top of the inner cavity of the mounting opening (13) and the top of the U-shaped reinforcing plate (14), respectively; The back of the polyvinyl chloride assembly shell (18) is provided with an embedded blind hole (22) matched with the head of the fastening bolt (7).

6. The combined soundproof titanium alloy curtain wall according to claim 5 is characterized by: The bottom and left and right sides of the inner cavity of the titanium alloy frame (3) are fixedly connected to limit strips (23), and the left and right sides and bottom of the polyvinyl chloride assembly shell (18) are provided with limit grooves (24) adapted to the limit strips (23) and respectively sleeved on the outside of each limit strip (23).

7. The combined soundproof titanium alloy curtain wall according to claim 6 is characterized by: A placement blind hole (28) is respectively provided at a corresponding position of each of the limit bars (23) and the titanium alloy frame (3), and each of the clamping parts (6) is movably provided thereon, the clamping parts (6) comprising a pin rod (25) provided in the placement blind hole (28), a limit ring (26) is sleeved on the outer periphery of the pin rod (25) and fixedly connected thereto, a spring (27) is sleeved on the outer periphery of the pin rod (25), one end of the spring (27) is fixedly connected to the surface of the limit ring (26), and the other end is fixedly connected to the bottom of the placement blind hole (28); Positioning plates (29) are fixedly connected to the bottom and left and right sides of the front surface of the polyvinyl chloride assembly shell (18) at positions corresponding to the limit strips (23); the surface of each positioning plate (29) is provided with a pin hole (30) adapted to the pin rod (25); the top of each pin rod (25) is respectively clamped to the inner side of the corresponding pin hole (30).

8. The combined soundproof titanium alloy curtain wall according to claim 7 is characterized by: The bottom and left and right sides of the back of the decorative panel (5) are fixedly connected with right-angled trapezoidal plates (31) at positions corresponding to the limit strips (23), the front and left and right sides of the polyvinyl chloride assembly shell (18) are provided with plug-in blind holes (32) corresponding to and adapted to the right-angled trapezoidal plates (31), the surface of the right-angled trapezoidal plates (31) is provided with pin-connection blind holes (33), and the right-angled trapezoidal plates (31) are respectively inserted into the inner side of the corresponding plug-in blind holes (32) and connected and fixed by being inserted into the corresponding pin-connection blind holes (33) through the top of each pin rod (25).

9. The combined soundproof titanium alloy curtain wall according to claim 8, characterized in that: The decorative panel (5) is slidably mounted inside the titanium alloy frame (3); a plurality of suction cups (34) are fixedly connected to the front of the polyvinyl chloride assembly shell (18); and the plurality of suction cups (34) are in suction contact with the back of the decorative panel (5).

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