A lightweight composite wall panel for prefabricated decoration

The design of inflatable expansion locking components and guide columns solves the problem of cumbersome operation during the alignment stage of lightweight composite wall panel adapters, improves construction efficiency and connection stability, and achieves seamless assembly and efficient splicing.

CN122485376APending Publication Date: 2026-07-31SHANGHAI GANGNUO IND CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
SHANGHAI GANGNUO IND CO LTD
Filing Date
2026-06-29
Publication Date
2026-07-31

AI Technical Summary

Technical Problem

In existing technologies, the alignment stage of the adapter panel for lightweight composite wall panels requires construction workers to continuously press and tighten it by hand, making it impossible to simultaneously carry out locking and alignment calibration. This results in a cumbersome operation process and reduces the efficiency of on-site assembly and construction.

Method used

An inflatable locking element is used in conjunction with a locking hole. The locking hole and the locking element are inserted to generate frictional force for temporary positioning. Combined with the mechanical locking of the adjusting screw and the screw seat, seamless assembly of the adapter plate is achieved. The splicing position is defined by the insertion of the guide post and the guide hole. Connecting parts and limiting bolts are used to enhance the connection strength.

Benefits of technology

This allows construction workers to complete locking and alignment without continuous manual support, improving on-site assembly efficiency, splicing accuracy and connection strength, preventing panels from loosening and falling off, and reducing maintenance costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

This invention discloses a lightweight composite wall panel for prefabricated decoration, belonging to the field of wall panel technology. It includes: a base plate with an assembly groove on one side; an adapter plate, replaceable and installed in the assembly groove, with its sidewall fitting against the inner wall of the assembly groove; a locking hole on one side of the adapter plate; and a locking member, fixedly connected to the assembly groove and adapted to the locking hole. The locking member is an inflatable component. In this invention, a lead screw slides downward to compress sealed air within the cavity. The compressed air is then sent through an internal air passage in the base plate to the coaxial multi-stage stepped rotating inflatable locking member. The locking member expands radially step by step and engages with the locking hole of the adapter plate, forming a secondary locking structure. This achieves seamless assembly of the adapter plate, improving installation flatness and aesthetics, effectively preventing the panel from loosening and falling off later, enhancing the connection strength of the insulation wall panel, and reducing maintenance and repair costs.
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Description

Technical Field

[0001] This invention belongs to the field of wall panel technology, and particularly relates to a lightweight composite wall panel for prefabricated decoration. Background Technology

[0002] In the field of prefabricated decoration construction, lightweight composite wall panels, as the core building material for interior partition walls and enclosure structures, have the advantages of low self-weight, high degree of on-site assembly, and short construction cycle. Among them, the splicing accuracy, universal compatibility, and disassembly and assembly performance of the wall panels are directly related to the construction and decoration quality of prefabricated decoration.

[0003] According to Chinese Patent Publication No. CN219080836U, an integrated prefabricated wall panel structure is disclosed, comprising: a prefabricated wall structure layer and an SPC wall panel decorative layer, wherein the SPC wall panel decorative layer and the prefabricated wall structure layer are bonded together to form an integrated prefabricated wall panel; there is a joint between two adjacent integrated prefabricated wall panels, and the joint is provided with an adhesive structure, a metal strip connection structure or a hidden snap-fit ​​structure to realize the connection between two adjacent integrated prefabricated wall panels.

[0004] However, in the above scheme, the SPC wall panel decorative layer and the prefabricated wall are installed by adhesive bonding. The lack of temporary limiting structure during assembly work leads to the following disadvantages: during the alignment stage of the adapter plate, the construction personnel need to continuously hold and press the adapter plate with their hands. When their hands are occupied, they cannot simultaneously carry out locking, alignment and calibration and other processes. Multiple people are required to cooperate in the construction, which makes the operation process cumbersome and reduces the efficiency of on-site assembly construction. Summary of the Invention

[0005] The purpose of this invention is to address the problem that during the alignment stage of the adapter panel, construction workers need to continuously hold and press the adapter panel with their hands, making it impossible to simultaneously carry out locking, alignment, and other processes. This requires multiple people to work together, making the operation process cumbersome and reducing the efficiency of on-site assembly and construction. Therefore, this invention proposes a lightweight composite wall panel for prefabricated decoration.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A lightweight composite wall panel for prefabricated decoration, comprising:

[0008] A substrate, wherein an assembly groove is provided on one side of the substrate;

[0009] An adapter plate is replaceably installed in the assembly slot, with the sidewall of the adapter plate fitting against the inner wall of the assembly slot.

[0010] A locking hole is located on one side of the adapter plate;

[0011] A locking component is fixedly connected in the assembly groove, the locking component is adapted to the locking hole, and the locking component is an inflatable component.

[0012] Preferred options also include:

[0013] A cavity is formed on one side of the substrate, and the cavity is composed of a horizontal part and a vertical part;

[0014] The mounting rod is slidably disposed with respect to the vertical part of the cavity, and the axis of the mounting rod is perpendicular to the inner wall of the assembly groove.

[0015] The mounting hole is located on the side wall of the adapter plate, and the mounting rod is inserted into the mounting hole for assembly.

[0016] Preferred options also include:

[0017] A lead screw seat is slidably and sealed within the vertical portion of the cavity, and one side of the lead screw seat is fixedly connected to one end of the mounting rod.

[0018] An adjusting screw is connected to a screw seat and is rotatably mounted within the cavity.

[0019] The mounting plate is fixedly installed inside the cavity, and the adjusting screw is rotatably connected to the mounting plate.

[0020] Preferred options also include:

[0021] An air passage is formed inside the substrate and connects the locking member and the vertical part of the cavity.

[0022] Preferred options also include:

[0023] The second bevel gear is fixedly connected to the end of the adjusting screw away from the screw seat;

[0024] A first bevel gear is rotatably mounted in the cavity via a rotating shaft, and the first bevel gear is meshed with a second bevel gear.

[0025] A rotating shaft is rotatably connected to the transverse portion of the cavity via a mounting base, and the rotating shaft is connected to one side of the first bevel gear.

[0026] The third bevel gear is fixedly installed on the outer surface of the rotating shaft;

[0027] The fourth bevel gear is rotatably connected to the cavity, and the fourth bevel gear meshes with the third bevel gear.

[0028] Preferred options also include:

[0029] Multiple connection slots are formed on the side wall of the substrate;

[0030] Multiple connectors are provided, which are inserted into connecting slots and are assembled with each other. Each connector has two symmetrically arranged threaded slots.

[0031] Multiple limiting bolts are provided, which can extend through into the connecting groove and can be threadedly connected to the threaded groove.

[0032] Preferred options also include:

[0033] Multiple guide holes are formed on the sidewall of the substrate;

[0034] A guide post, which can be inserted and assembled with a guide hole.

[0035] Preferred options also include:

[0036] The insulation layer is located between the assembly groove and the adapter plate.

[0037] Compared with existing technologies, a lightweight composite wall panel for prefabricated decoration that adopts the above-mentioned technical solution has the following beneficial effects:

[0038] 1. In this invention, the friction generated by the locking hole and the locking component temporarily limits the position of the adapter plate, eliminating the need for workers to continuously hold and fix the adapter plate. This frees up their hands to perform other assembly operations, reducing the difficulty of single-person construction and improving on-site assembly efficiency. By adjusting the cooperation between the lead screw and the lead screw seat, the mounting rod can be driven to insert into the mounting hole to complete the mechanical locking of the adapter plate and the base plate, ensuring the accuracy of the plate alignment and assembly. During the synchronous process of mechanical locking, the lead screw seat slides downward to compress the sealed air in the cavity. The compressed air is sent to the coaxial multi-stage stepped rotary inflatable locking component through the air passage inside the base plate. After the locking component expands radially step by step, it is locked into the locking hole of the adapter plate, forming a secondary locking structure. This not only achieves seamless assembly of the adapter plate, improving the flatness and aesthetics of the installation, but also effectively prevents the plate from loosening and falling off later, improving the connection firmness of the insulation wall panel and reducing maintenance and repair costs.

[0039] 2. In this invention, the guide post and guide hole are inserted and matched to form a limiting constraint on the two substrates in the pre-positioning stage of splicing, and the splicing position is defined in advance, thereby avoiding the substrates from shifting or misaligning in the lateral and longitudinal directions, improving the splicing alignment accuracy and assembly efficiency; the connector is embedded in the rectangular connecting groove of the side wall of the substrate and is erected between the adjacent substrates. With the help of the limiting bolt, it extends through the outside of the substrate and locks in the threaded hole on the connector to form a bridging and connecting effect, which not only enhances the connection strength of the adjacent substrates, but also uses the tightness of the threaded connection to constrain the relative displacement, so that the substrates fit tightly and the structure is stable, improving the overall splicing stability. Attached Figure Description

[0040] Figure 1This is a schematic diagram of the overall three-dimensional structure of the present invention;

[0041] Figure 2 This is a three-dimensional structural schematic diagram from another perspective of the present invention;

[0042] Figure 3 This is a schematic diagram of the three-dimensional split structure of the two substrates in this invention;

[0043] Figure 4 This is a three-dimensional disassembled structural diagram of the substrate, insulation layer, and adapter plate in this invention;

[0044] Figure 5 This is a three-dimensional cross-sectional view of the substrate in this invention;

[0045] Figure 6 For the present invention Figure 5 Enlarged structural diagram of section A;

[0046] Figure 7 This is a three-dimensional structural diagram of the adapter plate in this invention.

[0047] Legend: 1. Base plate; 2. Connecting groove; 3. Guide hole; 4. Adapter plate; 5. Guide post; 6. Connector; 7. Limiting bolt; 8. Insulation layer; 9. Mounting hole; 10. Assembly groove; 11. First bevel gear; 12. Second bevel gear; 13. Mounting plate; 14. Adjusting screw; 15. Screw seat; 16. Mounting rod; 17. Rotating shaft; 18. Third bevel gear; 19. Fourth bevel gear; 20. Cavity; 21. Locking element; 22. Locking hole; 23. Air passage. Detailed Implementation

[0048] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0049] Please see Figures 1-4 The present invention provides a technical solution:

[0050] A lightweight composite wall panel for prefabricated decoration, comprising:

[0051] The substrate 1 has an assembly groove 10 on one side. The assembly groove 10 is a two-level stepped inner groove structure, which is formed by stacking a lower basic square groove and an upper enlarged square groove to form a stepped surface. The centers of the inner and outer squares coincide and the four sides are parallel to each other.

[0052] The adapter plate 4 is replaceable and installed in the assembly slot 10. The side wall of the adapter plate 4 fits against the inner wall of the assembly slot 10. The outer dimensions of the adapter plate 4 match the inner cavity dimensions of the assembly slot 10, and it can be completely embedded in the assembly slot 10 to achieve seamless fitting installation.

[0053] Locking hole 22 is provided on one side of adapter plate 4;

[0054] Locking component 21 is fixedly connected in the assembly groove 10. The locking component 21 is adapted to the locking hole 22. The locking component 21 is an inflatable component. The locking component 21 is a coaxial multi-stage stepped rotating body structure. With the central axis as the rotation reference, multiple coaxial cylindrical segments are arranged sequentially along the axial direction. The outer diameter of each cylindrical segment increases at equal intervals from one end to the other along the axial direction. The end with the larger diameter is connected to the inner wall of the assembly groove 10.

[0055] Air passage 23 is formed inside the substrate 1. Air passage 23 is connected between locking member 21 and vertical part of cavity 20. Air passage 23 is used to deliver compressed air generated by the cooperation of lead screw seat 15 and cavity 20 to locking member 21, so that locking member 21 expands.

[0056] Insulation board 8, which is located between the assembly groove 10 and the adapter plate 4, wherein the insulation board 8 is a rectangular rock wool insulation board, which can be replaced and assembled into the assembly groove 10 of the base plate 1 according to the construction requirements of indoor insulation and sound insulation.

[0057] See Figures 5-7 A cavity 20 is formed on one side of the substrate 1. The cavity 20 is composed of a horizontal part and a vertical part, wherein there are two vertical parts and one horizontal part, and the two vertical parts are connected to the two sides of the horizontal part.

[0058] Mounting rod 16 is slidably disposed on the inner wall of assembly groove 10. The axis of mounting rod 16 is perpendicular to the inner wall of assembly groove 10. The assembly groove 10 has a circular hole, and mounting rod 16 is slidably and sealingly connected in the circular hole. Mounting rod 16 is a solid cylindrical rod.

[0059] Mounting hole 9 is provided on the side wall of adapter plate 4. Mounting rod 16 is inserted into mounting hole 9. Mounting hole 9 is a cylindrical hole that matches the outer diameter of mounting rod 16. The positioning and locking of adapter plate 4 on base plate 1 is completed by the insertion and cooperation of mounting rod 16 and mounting hole 9.

[0060] See Figures 5-6The lead screw seat 15 is slidably connected to the vertical part of the cavity 20. One side of the lead screw seat 15 is fixedly connected to one end of the mounting rod 16. The cross-sectional shape of the lead screw seat 15 is rectangular, and the cross-sectional shape of the vertical part of the cavity 20 is a rectangle adapted to the lead screw seat 15. When the lead screw seat 15 moves to the bottom of the vertical part, air enters the locking member 21 through the air passage 23. When the lead screw seat 15 moves to the horizontal part, air returns to the vertical part of the cavity 20 through the air passage 23.

[0061] Adjusting screw 14 is connected to screw seat 15 for transmission. The adjusting screw 14 is rotatably disposed in cavity 20. The adjusting screw 14 adopts trapezoidal thread screw structure. After rotation stops, it can self-lock the position of screw seat 15.

[0062] Mounting plate 13 is fixedly installed in cavity 20. Adjusting screw 14 is rotatably connected to mounting plate 13. A bearing is embedded in the center of mounting plate 13. One end of adjusting screw 14 is a shaft structure without threads, which is rotatably connected to bearing.

[0063] See Figure 6 The second bevel gear 12 is fixedly connected to the end of the adjusting screw 14 away from the screw seat 15;

[0064] The first bevel gear 11 is rotatably disposed in the cavity 20 via the rotating shaft 17, and the first bevel gear 11 is meshed with the second bevel gear 12.

[0065] The first bevel gear 11 and the second bevel gear 12 have the same module, and the first bevel gear 11 and the second bevel gear 12 are arranged in a 90-degree vertical meshing arrangement, which can reverse the rotational power input from the outside horizontally and transmit it to the adjusting screw 14 to realize the conversion of the transmission direction.

[0066] Rotating shaft 17 is rotatably connected to the transverse part of cavity 20 via mounting base, and rotating shaft 17 is connected to one side of first bevel gear 11;

[0067] The third bevel gear 18 is fixedly mounted on the outer surface of the rotating shaft 17;

[0068] The fourth bevel gear 19 is rotatably connected inside the cavity 20. The fourth bevel gear 19 is meshed with the third bevel gear 18. A rotating rod is connected to one side of the fourth bevel gear 19. The rotating rod is rotatably connected to the base plate 1 and extends to the outside of the cavity 20 and is connected to a knob.

[0069] The specific usage method and working principle are as follows: When using, after the insulation board 8 is assembled into the assembly groove 10, the staff will fit the adapter plate 4 into the assembly groove 10. During this process, the locking hole 22 and the locking part 21 are inserted into each other. The friction between the locking hole 22 and the locking part 21 can temporarily lock and limit the adapter plate 4, so that the staff can have spare energy to perform other operations.

[0070] Afterwards, the staff turned the knob, which drove the fourth bevel gear 19 to rotate via the rotating rod. The fourth bevel gear 19 drove the third bevel gear 18 to rotate, the third bevel gear 18 drove the rotating shaft 17 to rotate, the rotating shaft 17 drove the first bevel gear 11 to rotate, the first bevel gear 11 drove the second bevel gear 12 to rotate, the second bevel gear 12 drove the adjusting screw 14 to rotate, the adjusting screw 14 drove the screw seat 15 away from the lateral part of the cavity 20, the screw seat 15 drove the mounting rod 16 to move towards the mounting hole 9, and made the mounting rod 16 insert and assemble with the mounting hole 9, so as to realize the assembly of the adapter plate 4 and the base plate 1.

[0071] Meanwhile, as the lead screw seat 15 slides downwards towards the bottom of the vertical part of the cavity 20, it compresses the sealed air inside the vertical part of the cavity 20. The compressed air is transported through the pre-set air passage 23 inside the base plate 1 to the coaxial multi-stage stepped rotary inflatable locking member 21 inside the assembly groove 10. After the locking member 21 is filled with compressed air, it expands radially step by step. The multi-stage cylindrical structure expands and tightens from thin to coarse, and is locked into the pre-set locking hole 22 on the side of the adapter plate 4. The expansion and extrusion force is used to achieve secondary locking and fixation between the adapter plate 4 and the base plate 1. The double limit prevents the plate from loosening or falling off after installation, and achieves a firm assembly of the plate.

[0072] Please see Figure 3 It also includes:

[0073] Multiple connecting grooves 2 are formed on the side wall of the substrate 1, wherein the cross-sectional shape of the connecting grooves 2 is rectangular;

[0074] Multiple connectors 6 are inserted into the connecting groove 2. Each connector 6 has two symmetrically arranged threaded grooves. The four corners of the connector 6 are rounded to facilitate insertion into the connecting groove 2.

[0075] Multiple limiting bolts 7, which can extend through into the connecting groove 2, and can be threadedly connected to the threaded groove;

[0076] In this embodiment, the connector 6 is a cross-connected steel plate structure. The connector 6 is installed between two adjacent base plates 1. The connector 6 is locked by the limit bolt 7 through the base plate 1, so as to realize the rapid splicing and fixing between multiple base plates 1.

[0077] Multiple guide holes 3 are formed on the side wall of the substrate 1, wherein the guide holes 3 are cylindrical positioning holes;

[0078] Guide post 5, which can be inserted and assembled with guide hole 3, wherein guide post 5 is a cylindrical positioning pin, which works with guide hole 3 to realize pre-positioning during the splicing process of two substrates 1, and prevents substrates 1 from shifting or misaligning during assembly.

[0079] The specific usage method and working principle are as follows: When splicing two substrates 1, first insert the guide post 5 into the guide hole 3 on the side wall of one of the substrates 1, and then embed the connector 6 into the rectangular connecting groove 2 arranged on the same side of the substrate 1.

[0080] Next, align the guide post 5 and the connector 6 with the guide hole 3 and the connecting groove 2 corresponding to the adjacent substrate 1, and place the connector 6 between the two adjacent substrates 1. Then, perform the splicing and pre-positioning of the two substrates 1 so that the side walls of the two substrates 1 fit tightly together. During this process, the cylindrical guide post 5 and the guide hole 3 are interlocked and cooperated to limit and constrain the two substrates 1, pre-define the splicing position of the substrates 1, and avoid the problem of lateral and longitudinal displacement of the substrates 1.

[0081] Next, the limiting bolt 7 is inserted through the outside of the substrate 1 into the connecting groove 2, and the limiting bolt 7 is threaded into the threaded groove on the connector 6. The bridging and binding effect of the connector 6 is used to constrain the relative displacement of the two substrates 1, and the adjacent substrates 1 are stably connected into an integral structure, thus completing the splicing and assembly of the two substrates 1. By splicing them in sequence according to the same operation method, the on-site assembly of multiple substrates 1 can be realized.

[0082] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A lightweight composite wall panel for prefabricated decoration, characterized in that, include: A substrate (1) has an assembly groove (10) on one side. The adapter plate (4) is replaceably installed in the assembly slot (10), and the side wall of the adapter plate (4) is in contact with the inner wall of the assembly slot (10). A locking hole (22) is provided on one side of the adapter plate (4); Locking component (21) is fixedly connected in the assembly groove (10). The locking component (21) is adapted to the locking hole (22). The locking component (21) is an inflatable component.

2. The lightweight composite wall panel for prefabricated decoration according to claim 1, characterized in that, Also includes: A cavity (20) is formed on one side of a substrate (1), and the cavity (20) is composed of a horizontal part and a vertical part; Mounting rod (16), which is slidably disposed with the vertical part of cavity (20), and the axis of mounting rod (16) is arranged perpendicular to the inner wall of assembly groove (10); Mounting hole (9) is provided on the side wall of adapter plate (4), and mounting rod (16) is inserted into mounting hole (9) for assembly.

3. The lightweight composite wall panel for prefabricated decoration according to claim 2, characterized in that, Also includes: The lead screw seat (15) is sealed and slidably connected to the vertical part of the cavity (20), and one side of the lead screw seat (15) is fixedly connected to one end of the mounting rod (16). Adjusting screw (14), the adjusting screw (14) is connected to the screw seat (15) for transmission, and the adjusting screw (14) is rotatably disposed in the cavity (20); Mounting plate (13) is fixedly installed in cavity (20), and adjusting screw (14) is rotatably connected to mounting plate (13).

4. A lightweight composite wall panel for prefabricated decoration according to claim 3, characterized in that, Also includes: An air passage (23) is formed inside the substrate (1), and the air passage (23) is connected between the locking member (21) and the vertical part of the cavity (20).

5. A lightweight composite wall panel for prefabricated decoration according to claim 4, characterized in that, Also includes: The second bevel gear (12) is fixedly connected to the end of the adjusting screw (14) away from the screw seat (15); The first bevel gear (11) is rotatably disposed in the cavity (20) via the rotating shaft (17), and the first bevel gear (11) is meshed with the second bevel gear (12); Rotating shaft (17), the rotating shaft (17) is rotatably connected to the transverse part of the cavity (20) via a mounting base, and the rotating shaft (17) is connected to one side of the first bevel gear (11); The third bevel gear (18) is fixedly installed on the outer surface of the rotating shaft (17); The fourth bevel gear (19) is rotatably connected inside the cavity (20), and the fourth bevel gear (19) meshes with the third bevel gear (18).

6. A lightweight composite wall panel for prefabricated decoration according to claim 1, characterized in that, Also includes: Multiple connecting grooves (2) are formed on the side wall of the substrate (1); Multiple connectors (6) are inserted into the connecting groove (2) and the connectors (6) have two symmetrically arranged threaded grooves. Multiple limiting bolts (7) are provided, which can extend through into the connecting groove (2) and can be threadedly connected to the threaded groove.

7. A lightweight composite wall panel for prefabricated decoration according to claim 1, characterized in that, Also includes: Multiple guide holes (3) are formed on the side wall of the substrate (1); Guide post (5), which can be inserted and assembled with guide hole (3).

8. A lightweight composite wall panel for prefabricated decoration according to claim 1, characterized in that, Also includes: Insulation layer (8), which is located between assembly groove (10) and adapter plate (4).