An assembled background wall and its installation method

Abstract

The present invention provides a prefabricated background wall and its installation method, belonging to the technical field of background walls. The prefabricated background wall and its installation method include a load-bearing strengthening module, a frame module, a bending support module, a niche, and a surface layer module. In the present invention, the load-bearing strengthening module is used to support the entire background wall, the frame module is used to form an inner frame and an outer frame in the high convex area, the bending support module is used to increase the distance between a part of the surface layer module installed in the high convex area and the load-bearing strengthening module, another part of the surface layer module is installed in the flush area, the niche is installed in the low concave area, and each component is produced and constructed in a standardized manner through prefabricated technology without relying on manual skills to ensure the completion effect; the key parts are connected by screws and can be disassembled; the shape and size can be flexibly designed, with strong load-bearing capacity; there is no need for special welding construction, saving labor and having low labor costs.

Description

Technical Field

[0001] The present invention relates to the technical field of background walls, and particularly relates to a prefabricated background wall and an installation method thereof. Background Art

[0002] Background walls have good decorative properties for walls and can also play a role in protecting the walls, and are deeply loved by people. Traditional background walls are a kind of home decoration art for decorating the TV, sofa, entrance, bedroom, etc. in the living room of a family. With their novel ideas and advanced craftsmanship, they not only meet the needs of consumers for decoration, but also reflect the unique artistic aesthetic style of the owner, making them a perfect combination of commerce and art.

[0003] For traditional background walls, some are treated with overhead by using wooden strips and base plates. First, the wooden strips need to be treated with fire prevention and anti-corrosion, and then the base is leveled with wooden strips, and then the base plate is sealed, resulting in an overhead layer on the wall. This installation method is cumbersome, time-consuming and laborious, and tests the manual ability of on-site workers, which is not conducive to prefabricated decoration; some background walls are mostly of an integral structure, and transportation and disassembly are very inconvenient. The integral background wall is not convenient to replace. Moreover, existing background walls mostly have only decorative functions and are relatively single in function, which cannot meet people's needs; when a large board needs to be hung on the background wall, the base is often built into an overhead base in the form of a welded steel frame. This method has high labor and material costs, and requires special workers for construction, and customization is difficult, making it difficult to meet the needs of the owner. When installing a TV in the center of the background wall, the traditional method is to drive extra-long bolts into the original wall. However, in current market buildings, the original walls are mostly light steel keel partitions with poor nail-holding force, which cannot ensure safety. Summary of the Invention

[0004] The purpose of the present invention is to propose a prefabricated background wall and an installation method thereof in view of the above-mentioned deficiencies of the prior art.

[0005] The present invention proposes a prefabricated background wall, including a load-bearing strengthening module, a frame module, a bending support module, a niche, and a surface layer module. The load-bearing strengthening module is fixed to the wall and / or the ground to respectively form a flat area, a high convex area, and a low concave area inside the high convex area. The frame module is fixed to the part of the load-bearing strengthening module located in the high convex area to form an inner frame and an outer frame in the high convex area. The bending support module is fixed to the part of the load-bearing strengthening module located in the high convex area. A part of the surface layer module is connected to the bending support module to install the surface layer module in the high convex area, and another part of the surface layer module is connected to the part of the load-bearing strengthening module located in the flat area to install the surface layer module in the flat area. The side end of the niche is connected to the inner frame in the high convex area to install the niche in the low concave area.

[0006] Furthermore, the load-bearing strengthening module includes a base support member and a leveling support member. The base support member and a part of the leveling support member form a high convex area and a low concave area, and the other part of the leveling support member forms a flush area. The base support member includes a load-bearing base plate, a support pipe, and a base fixing structure for connecting the support pipe to the original ceiling and / or the ground respectively. The leveling support member includes a vertical keel and a leveling structure for leveling the vertical keel and connecting the vertical keel to the wall. The side surface of the support pipe away from the wall and the side surface of the vertical keel away from the wall are arranged at the same vertical plane. Both ends of the load-bearing base plate are respectively connected to the side surface of the support pipe away from the wall and the side surface of the vertical keel in the high convex area away from the wall.

[0007] Furthermore, the base fixing structure includes two angle codes, a first base screw, and a base expansion bolt respectively arranged at the lower part and the upper part. One side surface of the angle code at the lower part is fixedly connected to the bottom of the support pipe through the first base screw, and the other side surface is fixedly connected to the ground through the first base screw. One side surface of the angle code at the upper part is fixedly connected to the top of the support pipe through the first base screw, and the other side surface is fixedly connected to the original ceiling through the base expansion bolt.

[0008] Furthermore, the leveling structure includes a leveling base and a leveling stud. The vertical keel includes a keel base plate, a keel slot extending along the axis of the keel base plate on the side of the keel base plate close to the wall, and a positioning hole arranged on the keel base plate and communicating with the keel slot. The inner side of the leveling base is provided with a first thread groove. The leveling base is clamped in the keel slot, and the first thread groove communicates with the positioning hole. The outer side of the leveling stud is provided with a second thread groove. When the leveling stud is screwed into the first thread groove in the second thread groove, it is fixedly connected to the wall.

[0009] Furthermore, the frame module includes a frame base plate, a frame fixing plate connected to one side surface of the frame base plate, and a frame surrounding baffle connected to the other side surface of the frame base plate. When the frame fixing plates of two frame modules are both arranged horizontally and fixedly connected to the part of the support pipe in the high convex area away from the low concave area and / or the part of the vertical keel in the high convex area away from the low concave area, the frame surrounding baffles of the two frame modules are arranged opposite to each other to form an outer frame of the high convex area. When the frame fixing plates of two frame modules are both arranged horizontally and fixedly connected to the part of the support pipe in the high convex area close to the low concave area and / or the part of the vertical keel in the high convex area close to the low concave area, the frame surrounding baffles of the two frame modules are arranged opposite to each other to form an inner frame of the high convex area.

[0010] Further, the bending support module includes a support plate, a left fixing plate and a right fixing plate respectively connected to two side ends of the support plate, a bending card slot formed by the left fixing plate, the support plate and the right fixing plate, a left extension plate connected to a side end of the left fixing plate away from the support plate, and a right extension plate connected to a side end of the right fixing plate away from the support plate; the left extension plate can be bent from the same plane as the left fixing plate towards the bending card slot, the right extension plate can be bent from the same plane as the right fixing plate towards the bending card slot, when the vertical keel is inserted into the bending card slot, the left fixing plate and the right fixing plate can be respectively fixedly connected to two opposite side surfaces of the vertical keel, and when the support pipe is inserted into the bending card slot, the left fixing plate and the right fixing plate can be respectively fixedly connected to two opposite side surfaces of the support pipe.

[0011] Further, the surface layer module includes a double-sided clamping member, a side seal member, two single-sided clamping members, and a plurality of panels. Connection card slots are respectively arranged at two side ends of the panel; the double-sided clamping member and the single-sided clamping member located in the high convex area are both connected to the support plate; the double-sided clamping member and the single-sided clamping member located in the flush area are both connected to the vertical keel; two side ends of the double-sided clamping member are respectively clamped in connection card slots of two adjacent panels arranged oppositely, and the two single-sided clamping members are respectively clamped in the connection card slot at the left side end of the panel located at the left end of all the panels and the connection card slot at the right side end of the panel located at the right end of all the panels.

[0012] Further, the double-sided clamping member includes a double-sided base plate, two double-sided clamping plates symmetrically connected to two side ends of the double-sided base plate, and a double-sided fixing structure for fixedly connecting to the support plate. One of the two double-sided clamping plates is used for clamping in the connection card slot of one of the two adjacent panels, and the other double-sided clamping plate is used for clamping in the connection card slot of the other of the two adjacent panels; the single-sided clamping member includes a single-sided base plate, a single-sided clamping plate connected to a side end of the single-sided base plate, and a single-sided fixing structure for fixedly connecting to the vertical keel. The side seal member includes a sealing plate connected to a side surface of the single-sided base plate away from the panel; the single-sided clamping plates of the two single-sided clamping members are respectively clamped in the connection card slot at the left side end of the panel located at the left end of all the panels and the connection card slot at the right side end of the panel located at the right end of all the panels, and the edge closing plate is connected to a side surface of the single-sided base plate away from the single-sided clamping plate.

[0013] Further, it further includes a first positioning portion for positioning the bending of the left extension plate, a second positioning portion for positioning the bending of the right extension plate, a third positioning portion for positioning the bending of the left fixing plate, and a fourth positioning portion for positioning the bending of the right fixing plate. The first positioning portion is arranged at the connection between the left fixing plate and the left extension plate, the second positioning portion is arranged at the connection between the right fixing plate and the right extension plate, the third positioning portion is arranged at the connection between the left fixing plate and the support plate, and the fourth positioning portion is arranged at the connection between the right fixing plate and the support plate.

[0014] An installation method for an assembled background wall includes the following steps:

[0015] S1: Fix the load-bearing and strengthening module to the wall surface and / or the ground to respectively form a flush area, a high convex area, and a low concave area located inside the high convex area;

[0016] S2: Fix the frame module to the part of the load-bearing and strengthening module located in the high convex area to form an inner frame and an outer frame in the high convex area;

[0017] S3: Fix the bending support module to the part of the load-bearing and strengthening module located in the high convex area;

[0018] S4: Connect a part of the surface layer module to the bending support module to install the surface layer module in the high convex area, and connect another part of the surface layer module to the part of the load-bearing and strengthening module located in the flush area to install the surface layer module in the flush area.

[0019] S5: Connect the side end of the niche to the inner frame in the high convex area to install the niche in the low concave area.

[0020] An assembled background wall and its installation method of the present invention have the following beneficial effects:

[0021] The load-bearing and strengthening module is used to support the entire background wall, the frame module is used to form the inner frame and the outer frame in the high convex area, the bending support module is used to increase the distance between a part of the surface layer module installed in the high convex area and the load-bearing and strengthening module, another part of the surface layer module is installed in the flush area, and the niche is installed in the low concave area. Each component uses the assembled technology to achieve standardized production and construction, without relying on manual skills to ensure the completion effect; the key parts are connected by screws and can be disassembled and assembled; the shape and size can be flexibly designed, and it has strong load-bearing capacity; there is no need for special welding construction, saving labor and having cheap labor costs. Description of the Drawings

[0022] The drawings incorporated in and forming a part of the specification illustrate embodiments of the present invention and, together with the description, are used to explain the principles of the present invention. In these drawings, like reference numerals are used to represent like elements. The drawings in the following description are some embodiments of the present invention, not all embodiments. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0023] Figure 1 The front view in an assembled background wall and its installation method according to an embodiment of the present invention;

[0024] Figure 2 The front view when installing a frame module and a bending support module on a load-bearing reinforcement module in an assembled background wall and its installation method according to an embodiment of the present invention;

[0025] Figure 3 The side view at the top of the high convex area in an assembled background wall and its installation method according to an embodiment of the present invention;

[0026] Figure 4 The structural use diagram when a leveling base is installed on a vertical keel and a leveling stud is connected to the leveling base in an assembled background wall and its installation method according to an embodiment of the present invention;

[0027] Figure 5 The structural schematic diagram when a frame module is installed on a vertical keel in an assembled background wall and its installation method according to an embodiment of the present invention;

[0028] Figure 6 The structural schematic diagram of a frame module in an assembled background wall and its installation method according to an embodiment of the present invention;

[0029] Figure 7 The structural schematic diagram when a bending support module is installed on a vertical keel in an assembled background wall and its installation method according to an embodiment of the present invention;

[0030] Figure 8 The structural schematic diagram of a bending support module in an assembled background wall and its installation method according to an embodiment of the present invention;

[0031] Figure 9 The side view when a single-sided clamping member is connected to a panel in an assembled background wall and its installation method according to an embodiment of the present invention;

[0032] Figure 10 The structural schematic diagram of a double-sided clamping member and a single-sided clamping member in an assembled background wall and its installation method according to an embodiment of the present invention.

[0033] In the figure: 1 - Load-bearing strengthening module, 11 - Support pipe, 12 - Angle code, 13 - Vertical keel, 131 - Keel base plate, 132 - Positioning hole, 14 - Leveling base, 15 - Leveling stud, 151 - Second thread groove, 152 - Leveling mounting plate, 16 - Load-bearing base plate, 2 - Frame module, 21 - Frame base plate, 22 - Frame fixing plate, 221 - First frame mounting part, 222 - First frame connecting part, 223 - First frame nail groove, 224 - First fillet, 225 - Second fillet, 226 - Fifth fillet, 227 - Seventh fillet, 23 - Frame baffle, 231 - Second frame mounting part, 232 - Second frame connecting part, 233 - Second frame nail groove, 234 - Third fillet, 235 - Fourth fillet, 236 - Sixth fillet, 237 - Eighth fillet, 3 - Bending support module, 31 - Support plate, 311 - First reinforcing rib, 312 - Third positioning part, 313 - Third bending hole, 314 - Fourth positioning part, 315 - Fourth bending hole, 32 - Left fixing plate, 321 - Second reinforcing rib, 322 - First positioning part, 323 - First bending hole, 33 - Right fixing plate, 331 - Second positioning part, 332 - Second bending hole, 34 - Left extension plate, 35 - Right extension plate, 36 - First bending plate, 37 - Second bending plate, 4 - Niche, 5 - Surface layer module, 51 - Panel, 511 - Connection card slot, 52 - Double-sided clamping part, 521 - Double-sided base plate, 522 - Double-sided clamping plate, 523 - Double-sided fixing plate, 524 - Second double-sided protrusion, 525 - First double-sided protrusion, 526 - First double-sided abutting part, 527 - First double-sided mounting part, 528 - Second double-sided abutting part, 529 - Third double-sided protrusion, 53 - Single-sided clamping part, 531 - Single-sided base plate, 532 - Single-sided clamping plate, 533 - Single-sided fixing plate, 534 - Second single-sided protrusion, 535 - First single-sided protrusion, 536 - First single-sided abutting part, 537 - First single-sided mounting part, 538 - Second single-sided abutting part, 539 - Third single-sided protrusion, 54 - Sealing plate. Detailed implementation manners

[0034] To make the objectives, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Apparently, the described embodiments are some but not all of the embodiments of the present invention. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention. It should be noted that, without conflict, the embodiments and features in the embodiments of the present application can be combined with each other arbitrarily.

[0035] Please refer to Figures 1 to 10An assembled background wall according to an embodiment of the present invention includes a load-bearing strengthening module 1, a frame module 2, a bending support module 3, a niche 4, and a surface layer module 5. The load-bearing strengthening module 1 is fixed to the wall surface and / or the ground to respectively form a flat area, a high convex area, and a low concave area located inside the high convex area. The frame module 2 is fixed to the part of the load-bearing strengthening module 1 located in the high convex area to form an inner frame and an outer frame in the high convex area. The bending support module 3 is fixed to the part of the load-bearing strengthening module 1 located in the high convex area. A part of the surface layer module 5 is connected to the bending support module 3 to install the surface layer module 5 inside the high convex area. Another part of the surface layer module 5 is connected to the part of the load-bearing strengthening module 1 located in the flat area to install the surface layer module 5 inside the flat area. The side end of the niche 4 is connected to the inner frame in the high convex area to install the niche 4 inside the low concave area.

[0036] Here, draw a snap line on the wall surface, fix the load-bearing strengthening module 1 according to the snap line, design the flat area, high convex area, and low concave area located inside the high convex area of the background wall according to multiple load-bearing strengthening modules 1, divide the load-bearing strengthening module 1 into a flat area, a high convex area, and a low concave area according to the flat area, high convex area, and low concave area of the background wall, fix multiple frame modules 2 to the part of the load-bearing strengthening module 1 located in the high convex area to form an inner frame and an outer frame in the high convex area. The inner frame in the high convex area is arranged inside the outer frame in the high convex area. The bending support module 3 is fixed to the part of the load-bearing strengthening module 1 located in the high convex area. A part of the surface layer module 5 is connected to the bending support module 3 to install the surface layer module 5 inside the high convex area. Another part of the surface layer module 5 is connected to the part of the load-bearing strengthening module 1 located in the flat area to install the surface layer module 5 inside the flat area. The side end of the niche 4 is connected to the inner frame in the high convex area to install the niche 4 inside the low concave area. Through a variety of components, various concave and convex shaped background walls can be easily created, with diverse surface finishing forms, truly realizing the characteristics of integration, modularization, and personalization of the background wall. It is assembled and installed on-site, solving the problems of inconvenient traditional installation and high costs.

[0037] The load-bearing strengthening module 1 may include a base support member and a leveling support member. The base support member and a part of the leveling support member form the high convex area and the low concave area, and another part of the leveling support member forms the flat area; the base support member includes a load-bearing base plate 16, a support pipe 11, and a base fixing structure for connecting the support pipe 11 to the original ceiling and / or the ground respectively. The leveling support member includes a vertical keel 13 and a leveling structure for leveling the vertical keel 13 and connecting the vertical keel 13 to the wall surface. The side surface of the support pipe 11 away from the wall surface and the side surface of the vertical keel 13 away from the wall surface are arranged at the same vertical plane. Both ends of the load-bearing base plate 16 are respectively connected to the side surface of the support pipe 11 away from the wall surface and the side surface of the vertical keel 13 located in the high convex area away from the wall surface.

[0038] Specifically, the ground is set horizontally, and the vertical plane is the plane perpendicular to the ground. Taking a vertical plane perpendicular to the ground as the reference plane, the side of the support pipe 11 away from the wall and the side of the vertical keel 13 away from the wall are arranged at the same vertical plane, that is, to ensure that the distances between the side of the support pipe 11 away from the wall and the side of the vertical keel 13 away from the wall and the reference plane are equal respectively. Since the strength of the support pipe 11 is greater than that of the vertical keel 13, the support strength of the support pipe 11 is greater than that of the vertical keel 13. There are more components arranged in the high-convex area of the background wall system, so the weight in the high-convex area of the background wall system is greater, and components with greater load-bearing capacity are required for support. Therefore, in this application, the primary support for the high-convex area of the background wall system is provided by the base support member, and the auxiliary support for the high-convex area of the background wall system is provided by the leveling support member; while there are fewer components arranged in the flush area of the background wall system, so the weight of the flush area of the background wall system is smaller, and support can be achieved through components with smaller load-bearing capacity. Therefore, in this application, the support for the flush area of the background wall system is provided by the leveling support member. Since the base fixing structure connects the support pipe 11 to the original ceiling and / or the ground, there is no need to level the support pipe 11, while the vertical keel 13 is connected to the wall, and the vertical keel 13 needs to be leveled through the leveling structure. Through the prefabrication technology, standardized production and construction can be achieved, without relying on manual leveling to ensure the completion effect; the parts are connected by screws, can be disassembled and assembled; the shape and size can be flexibly designed, with strong load-bearing capacity; there is no need for special welding construction, saving labor and having cheap labor costs.

[0039] The base fixing structure includes two angle brackets 12, the first base screw, and the base expansion bolt respectively arranged at the lower part and the upper part. One side of the angle bracket 12 located at the lower part is fixedly connected to the bottom of the support pipe 11 through the first base screw, and the other side is fixedly connected to the ground through the first base screw. One side of the angle bracket 12 located at the upper part is fixedly connected to the top of the support pipe 11 through the first base screw, and the other side is fixedly connected to the original ceiling through the base expansion bolt.

[0040] Specifically, the support pipe 11 can be a rectangular steel pipe. The angle bracket 12 can include two base connecting plates vertically connected to each other. One base connecting plate is parallel to the original ceiling, and the other base connecting plate is parallel to the side of the rectangular steel pipe away from the wall. The first base screw can be a self-tapping screw. The angle bracket 12 located at the lower part is fixedly connected to the bottom of the rectangular steel pipe through the self-tapping screw, the lower angle bracket 12 is fixedly connected to the ground through the self-tapping screw, the angle bracket 12 located at the upper part is fixedly connected to the top of the rectangular steel pipe through the self-tapping screw, an expansion bolt hole is opened on the original ceiling, and the upper angle bracket 12 is fixedly connected to the expansion bolt hole through the base expansion bolt.

[0041] The leveling structure may include a leveling base 14 and leveling studs 15. The vertical keel 13 includes a keel base plate 131, a keel card slot extending along the axis direction of the keel base plate 131 on the side of the keel base plate 131 close to the wall surface, and a positioning hole 132 arranged on the keel base plate 131 and communicating with the keel card slot. A first thread groove is provided inside the leveling base 14. The leveling base 14 is clamped in the keel card slot, and the first thread groove communicates with the positioning hole 132. A second thread groove 151 is provided on the outside of the leveling stud 15. When the leveling stud 15 is screwed in the first thread groove in the second thread groove 151, it is fixedly connected to the wall surface.

[0042] Specifically, the vertical keel 13 may further include two keel stop plates respectively connected to both ends of the keel base plate 131. The two keel stop plates and the keel base plate 131 jointly enclose the keel card slot. The two keel stop plates are both perpendicular to the keel base plate 131. The leveling base 14 is a square base, and the leveling base 14 and the keel card slot are in interference fit.

[0043] Specifically, a plurality of leveling protrusion parts may be arranged at intervals on the outside of the leveling stud 15, and the second thread groove 151 is arranged on the leveling protrusion parts. The leveling protrusion parts may be a plurality of evenly arranged on the outside of the leveling stud 15. The angle between any two adjacent leveling protrusion parts is equal, and the area of the second thread groove 151 is equal to the area of the leveling protrusion part. Adjust the length of the leveling stud 15 extending out of one side of the leveling base 14 according to the distance between the leveling base 14 and the wall surface, and then fixedly connect the leveling stud 15 and the wall surface, and the leveling of the vertical keel 13 can be realized.

[0044] Specifically, the leveling structure may further include leveling screws. The leveling stud 15 is fixedly connected to the wall surface through the leveling screws. A leveling mounting plate 152 may be provided inside the leveling stud 15. A leveling fixing hole is penetrated through the leveling mounting plate 152. One end of the leveling screw sequentially passes through the positioning hole 132 and the leveling fixing hole and is fixed to the wall surface. A groove is provided inside the leveling stud 15. The leveling mounting plate 152 is arranged at the bottom of the groove. The leveling mounting plate 152 is arranged close to the wall surface. The axes of the leveling fixing hole, the leveling stud 15, and the positioning hole 132 may coincide, which is convenient for installing the leveling screw. One end of the leveling screw abuts against the leveling mounting plate 152. The leveling screw may be a self-tapping screw. A third thread groove may be provided inside the leveling stud 15. One end of the leveling screw sequentially passes through the positioning hole 132, is screwed in the third thread groove, and is fixed to the wall surface. The positioning holes 132 may be a plurality of evenly arranged on the keel base plate 131. The number of leveling bases 14 is the same as the number of positioning holes 132, and the number of leveling studs 15 is the same as the number of leveling bases 14.

[0045] Specifically, the base support member may further include second base screws. Two ends of the load-bearing base plate 16 are respectively connected to the side surface of the support pipe 11 away from the wall surface and the side surface of the vertical keel 13 in the high convex area of the background wall system away from the wall surface through the second base screws. There are at least two support pipes 11, at least one vertical keel 13 in the high convex area of the background wall system, and at least two vertical keels 13 at the flush part of the background wall system. No vertical keel 13 is arranged between all the support pipes 11, that is, the vertical keel 13 is either arranged on the left side of the leftmost support pipe 11 or on the right side of the rightmost support pipe 11.

[0046] Specifically, the rectangular steel pipe and the corner bracket 12 at the bottom are locked by self-tapping screws, and the corner bracket 12 and the rectangular steel pipe are vertically fixed on the ground as a whole; confirm the position of the top corner bracket 12, which needs to be connected to the original ceiling and the rectangular steel pipe at the same time. After marking the position, drive expansion bolts into the original ceiling; lock the top corner bracket 12 and the rectangular steel pipe; fix the original ceiling and the top corner bracket 12 through the reserved expansion bolt holes; fix the load-bearing base plate 16 to the rectangular steel pipe and the vertical keel 13 with self-tapping screws. The load-bearing base plate 16 has strong nail-holding force, and after being installed on the rectangular steel pipe, the load-bearing capacity at the center position of the background wall is greatly enhanced. Use a rubber hammer to drive all the naughty bases into the vertical keel 13 for clamping, and positioning holes 132 are opened on the vertical keel 13; confirm the finished surface of the vertical keel 13, insert the semi-threaded leveling stud 15 into the leveling base 14, press against the original wall and then rotate the leveling stud 15 to make the stud mesh with the base thread; connect the leveling stud 15 and the original wall with self-tapping screws; install all the leveling studs 15 in sequence.

[0047] The frame module 2 may include a frame base plate 21, a frame fixing plate 22 connected to one side surface of the frame base plate 21, and a frame surrounding baffle 23 connected to the other side surface of the frame base plate 21; when the frame fixing plates 22 of the two frame modules 2 are both horizontally arranged and fixedly connected to the part of the support pipe 11 in the high convex area and away from the low concave area and / or the part of the vertical keel 13 in the high convex area and away from the low concave area, the frame surrounding baffles 23 of the two frame modules 2 are arranged oppositely to form an outer frame of the high convex area; when the frame fixing plates 22 of the two frame modules 2 are both horizontally arranged and fixedly connected to the part of the support pipe 11 in the high convex area and close to the low concave area and / or the part of the vertical keel 13 in the high convex area and close to the low concave area, the frame surrounding baffles 23 of the two frame modules 2 are arranged oppositely to form an inner frame of the high convex area.

[0048] Specifically, after the load-bearing reinforcement module 1 is installed, a high convex area and a low concave area need to be formed on the background wall. The low concave area is arranged inside the high convex area. Then, an outer frame and an inner frame of the high convex area need to be formed respectively. The inner frame of the high convex area is arranged inside the outer frame of the high convex area. After the two frame fixing plates 22 are respectively fixed to the load-bearing reinforcement module 1, the outer frame of the high convex area is formed by the upper and lower frame enclosing plates 23. After the two frame fixing plates 22 are respectively fixed to the load-bearing reinforcement module 1, the inner frame of the high convex area is formed by the upper and lower frame enclosing plates 23. The frame fixing plates 22 of the two frame members are both arranged horizontally, and the frame fixing plates 22 are respectively fixedly connected to a plurality of vertical keels 13 and / or support pipes 11. The frame fixing plates 22 and the frame enclosing plates 23 are both cuttable. The frame fixing plates 22 and the frame enclosing plates 23 are cut according to the distance between the vertical keels 13 at both ends, which is convenient for fixing the frame fixing plates 22 to the vertical keels 13. The two frame fixing plates 22 are both arranged horizontally. At this time, the corresponding two frame enclosing plates 23 are arranged opposite to each other, which is convenient for the two frame enclosing plates 23 to form the frame of the background wall shape. The two frame fixing plates 22 are arranged in the part of the high convex area far from the low concave area, so that the two frame enclosing plates 23 form the outer frame of the high convex area. The two frame fixing plates 22 are arranged in the part of the high convex area close to the low concave area, so that the two frame enclosing plates 23 form the inner frame of the high convex area.

[0049] Specifically, the frame fixing plate 22 and the enclosing plate are both stone-plastic extrusion plates formed by stone-plastic extrusion, with simple shapes and controllable production processes. The assembled background wall frame is extruded integrally with stone-plastic, and the dimensions are standard. The frame fixing plate 22 and the frame enclosing plate 23 can be symmetrically arranged. The frame fixing plate 22 and the frame enclosing plate 23 have the same shape, which is convenient for design and manufacturing. The frame fixing plate 22 and the frame enclosing plate 23 are vertically connected, which is convenient for forming a rectangular frame.

[0050] Specifically, the frame fixing plate 22 may include a first frame mounting portion 221. A first frame nail groove 223 is recessed on one side of the first frame mounting portion 221 close to the frame baffle 23. The frame baffle 23 includes a second frame mounting portion 231. A second frame nail groove 233 is recessed on one side of the second frame mounting portion 231 close to the frame fixing plate 22. The first frame nail groove 223 is recessed on the first frame mounting portion 221, which facilitates accommodating the nail head of the screw therein, enabling nailing at the concave portion on the surface of the frame fixing plate 22, and facilitating fixing the frame fixing plate 22 on the vertical keel 13 and / or the support pipe 11. When fixing the frame baffle 23 on the vertical keel 13 and / or the support pipe 11 and forming a frame with the frame fixing plate 22, the second frame nail groove 233 is recessed on the second frame mounting portion 231, which facilitates accommodating the nail head of the screw therein, enabling nailing at the concave portion on the surface of the frame baffle 23, and facilitating fixing the frame baffle 23 on the vertical keel 13 and / or the support pipe 11. The first frame mounting portions 221 may be two spaced apart, and the second frame mounting portions 231 are two spaced apart. The two first frame mounting portions 221 are symmetrically arranged, and the two second frame mounting portions 231 are symmetrically arranged. The frame fixing plate 22 further includes a first frame connecting portion 222 with two ends respectively connected to the two first frame mounting portions 221. The frame baffle 23 further includes a second frame connecting portion 232 with two ends respectively connected to the two second frame mounting portions 231. The first frame nail grooves 223 are two respectively provided on the two first frame mounting portions 221, and the second frame nail grooves 233 are two respectively provided on the two second frame mounting portions 231. The assembled background wall frame is integrally extruded from stone plastic, with standard dimensions. It is fixed on the vertical keel 13 and / or the support pipe 11 using double nails, having good flatness, high strength, and being not easily deformed. The required length can be flexibly cut according to the required size.

[0051] Specifically, one side of the first frame connection portion 222 away from the first frame nail groove 223 can be recessed, and the other side close to the first frame nail groove 223 protrudes on one side of the first frame nail groove 223. One side of the second frame connection portion 232 away from the second frame nail groove 233 is recessed, and the other side close to the second frame nail groove 233 protrudes on one side of the second frame nail groove 233. One side of the first frame mounting portion 221 away from the first frame nail groove 223 protrudes, and the two first frame mounting portions 221 respectively abut against the vertical keel 13 to provide a supporting force for the frame fixing plate 22. The other side of the first frame connection portion 222 close to the first frame nail groove 223 protrudes on one side of the first frame nail groove 223. Then, a first frame nail groove 223 can be formed between the two first frame connection portions 222 and the first frame mounting portion 221, so as to protect the nail head of the screw. When fixing the frame baffle 23 to the vertical keel 13 and the frame fixing plate 22 to form a frame, the two second frame mounting portions 231 respectively abut against the vertical keel 13 to provide a supporting force for the frame baffle 23. One side of the second frame mounting portion 231 away from the second frame nail groove 233 protrudes and abuts against the vertical keel 13. The other side of the second frame connection portion 232 close to the second frame nail groove 233 protrudes on one side of the second frame nail groove 233. Then, a second frame nail groove 233 can be formed between the two second frame connection portions 232 and the second frame mounting portion 231, so as to protect the nail head of the screw.

[0052] Specifically, on one side end of the connection between the frame fixing plate 22 and the frame base plate 21, a first rounded corner 224 can be provided, and on the other side end, a second rounded corner 225 is provided. On one side end of the connection between the frame baffle 23 and the frame base plate 21, a third rounded corner 234 with the same radian as the first rounded corner 224 is provided, and on the other side end, a fourth rounded corner 235 with the same radian as the second rounded corner 225 is provided. The first rounded corner 224 and the second rounded corner 225 can facilitate the user to pick up the frame fixing plate 22. The first rounded corner 224 can prevent interference between the frame fixing plate 22 and the vertical keel 13 when the frame fixing plate 22 is fixed to the vertical keel 13, and the second rounded corner 225 can prevent interference between the frame fixing plate 22 and the components installed in the frame of the background wall shape. When the frame baffle 23 is fixedly connected to the vertical keel 13 and the frame fixing plate 22 to form a frame, the third rounded corner 234 and the fourth rounded corner 235 can facilitate the user to pick up the frame fixing plate 22. The third rounded corner 234 can prevent interference between the frame baffle 23 and the vertical keel 13 when the frame baffle 23 is fixed to the vertical keel 13, and the fourth rounded corner 235 can prevent interference between the frame baffle 23 and the components installed in the frame of the background wall shape. On one side end of the frame fixing plate 22 away from the frame base plate 21, a fifth rounded corner can be provided. The fifth rounded corner can facilitate the user to pick up the frame fixing plate 22 and at the same time prevent interference between the frame fixing plate 22 and the components installed in the frame of the background wall shape. On one side end of the frame baffle 23 away from the frame base plate 21, a sixth rounded corner 236 is provided. The sixth rounded corner 236 can facilitate the user to pick up the frame baffle 23 and at the same time prevent interference between the frame baffle 23 and the components installed in the frame of the background wall shape. The frame module 2 can also include a seventh rounded corner 227 provided at the connection between the first frame connection portion 222 and the first frame installation portion 221, and an eighth rounded corner 237 provided at the connection between the second frame connection portion 232 and the second frame installation portion 231. The seventh rounded corner 227 facilitates the user to pick up the frame fixing plate 22, and the eighth rounded corner 237 facilitates the user to pick up the frame baffle 23.

[0053] The bending support module 3 may include a support plate 31, a left fixing plate 32 and a right fixing plate 33 respectively connected to two side ends of the support plate 31, a bending card slot formed by the left fixing plate 32, the support plate 31 and the right fixing plate 33, a left extension plate 34 connected to a side end of the left fixing plate 32 far from the support plate 31, and a right extension plate 35 connected to a side end of the right fixing plate 33 far from the support plate 31; the left extension plate 34 can be bent from the same plane as the left fixing plate 32 towards the direction of the bending card slot, and the right extension plate 35 can be bent from the same plane as the right fixing plate 33 towards the direction of the bending card slot. When the vertical keel 13 is inserted into the bending card slot, the left fixing plate 32 and the right fixing plate 33 can be respectively fixedly connected to two opposite side surfaces of the vertical keel 13. When the support pipe 11 is inserted into the bending card slot, the left fixing plate 32 and the right fixing plate 33 can be respectively fixedly connected to two opposite side surfaces of the support pipe 11.

[0054] Specifically, the left extension plate 34 and the left fixing plate 32 are integrally formed, and the right extension plate 35 and the right fixing plate 33 are integrally formed. The left fixing plate 32 and the right fixing plate 33 are both vertically connected to the support plate 31, and the left fixing plate 32 and the right fixing plate 33 are arranged oppositely. When the left extension plate 34 and the right extension plate 35 are not bent, the left extension plate 34 and the left fixing plate 32 are in the same plane, and the right extension plate 35 and the right fixing plate 33 are in the same plane. The vertical keel 13 includes a keel base plate 131, a first keel side plate, a second keel side plate, and a keel card slot surrounded by the first keel side plate, the keel base plate 131, and the second keel side plate. The vertical keel 13 is inserted into the bending card slot so that the bending support member is sleeved outside the vertical keel 13. After the bending support member is moved to a preset position on the vertical keel 13, the left extension plate 34 is bent from the plane where it is in the same plane as the left fixing plate 32 towards the direction of the bending card slot, so that one end of the left extension plate 34 is bent into the keel card slot. The right extension plate 35 is bent from the plane where it is in the same plane as the right fixing plate 33 towards the direction of the bending card slot, so that one end of the right extension plate 35 is bent into the keel card slot. When the bending support member is sleeved outside the support pipe 11, the left extension plate 34 is bent from the plane where it is in the same plane as the left fixing plate 32 towards the direction of the bending card slot, so that one end of the left extension plate 34 is bent to abut against one side surface of the support pipe 11. The right extension plate 35 is bent from the plane where it is in the same plane as the right fixing plate 33 towards the direction of the bending card slot, so that one end of the right extension plate 35 is bent to abut against the other side surface of the support pipe 11. The left fixing plate 32 and the right fixing plate 33 are respectively fixedly connected to the vertical keel 13 and / or the support pipe 11, so as to fix the bending support member on the vertical keel 13. Then, the panel 51 is abutted against the side surface of the support plate 31 away from the vertical keel 13 or the support pipe 11, and the support plate 31 and the panel 51 are fixedly connected, so as to fix the panel 51 on the vertical keel 13 or the support pipe 11; the panel 51 is supported at any position where it needs to be elevated, and the connection position between the left fixing plate 32 and the side surface of the vertical keel 13 or the support pipe 11 is adjusted, so as to adjust the distance that the support plate 31 protrudes from one side of the vertical keel 13 or the support pipe 11, increase the distance from the wall, and make the background wall shape and size more diversified; provide a fulcrum for the panel 51, reduce the force deformation of the wall surface, and make the feel of the elevated wall surface firm.

[0055] Specifically, the support plate 31 may be provided with a first reinforcing rib 311 for enhancing the stiffness of the support plate 31. The first reinforcing rib 311 may be a stamping reinforcing rib stamped on the support plate 31. The first reinforcing rib 311 increases the stiffness of the support plate 31 and reduces the risk of deformation of the support plate 31. The support plate 31 can serve as a support surface for the panel 51 to prevent the panel 51 from sagging. The first reinforcing rib 311 may be multiple parallel ones. The left fixing plate 32 may be provided with a second reinforcing rib 321 for enhancing the stiffness of the left fixing plate 32, and the right fixing plate 33 is provided with a third reinforcing rib for enhancing the stiffness of the right fixing plate 33. The second reinforcing rib 321 may be a stamping reinforcing rib stamped on the left fixing plate 32. The second reinforcing rib 321 increases the stiffness of the left fixing plate 32 and reduces the risk of deformation of the left fixing plate 32. The second reinforcing rib 321 may be multiple parallel ones. The third reinforcing rib may be a stamping reinforcing rib stamped on the right fixing plate 33. The third reinforcing rib increases the stiffness of the right fixing plate 33 and reduces the risk of deformation of the right fixing plate 33. The third reinforcing rib may be multiple parallel ones. The left fixing plate 32 and the right fixing plate 33 are symmetrically arranged, the left extension plate 34 and the right extension plate 35 are symmetrically arranged, and the second reinforcing rib 321 and the third reinforcing rib are symmetrically arranged.

[0056] Specifically, the left fixing plate 32 can be bent from the same plane as the support plate 31 in the clockwise direction to be perpendicular to the support plate 31, and the right fixing plate 33 can be bent from the same plane as the support plate 31 in the counterclockwise direction to be perpendicular to the support plate 31. The left fixing plate 32 and the right fixing plate 33 can both be integrally formed with the support plate 31. When neither the left fixing plate 32 nor the right fixing plate 33 is bent, the left fixing plate 32, the support plate 31, and the right fixing plate 33 are all horizontally arranged and located in the same plane. The left fixing plate 32 is arranged on the left side of the normal vector of the support plate 31, and the right fixing plate 33 is arranged on the right side of the normal vector of the support plate 31. The left fixing plate 32 is bent 90 degrees clockwise around its connection with the support plate 31, that is, the left fixing plate 32 rotates towards the side of the support plate 31 close to the keel, so that the left fixing plate 32 is perpendicular to the support plate 31. The right fixing plate 33 is bent 90 degrees counterclockwise around its connection with the support plate 31, that is, the right fixing plate 33 rotates towards the side of the support plate 31 close to the vertical keel 13 or the support pipe 11, so that the right fixing plate 33 is perpendicular to the support plate 31.

[0057] Specifically, the bending support module 3 may further include a plurality of first bending plates 36 disposed at the side end of the left fixing plate 32 and a plurality of second bending plates 37 disposed at the side end of the right fixing plate 33. The first bending plate 36 may be bent toward the side of the left fixing plate 32 close to the bending card slot, and the second bending plate 37 may be bent toward the side of the right fixing plate 33 close to the bending card slot. When the bending support member is sleeved on the outer side of the vertical keel 13 or the support pipe 11, the left fixing plate 32 and the right fixing plate 33 may respectively abut against two opposite side surfaces of the vertical keel 13 or the support pipe 11. The left extension plate 34 and the right extension plate 35 may be respectively bent to the inner side of the keel card slot of the vertical keel 13. At this time, the left fixing plate 32 and the vertical keel 13 can be fixed by passing the first bending screw through the left fixing plate 32, one side surface of the vertical keel 13, and the left extension plate 34 in sequence, and the right fixing plate 33 and the vertical keel 13 can be fixed by passing the second bending screw through the right fixing plate 33, the other side surface of the vertical keel 13, and the right extension plate 35 in sequence. Bend the first bending plate 36 toward the side of the left fixing plate 32 close to the support plate 31, and bend the second bending plate 37 toward the side of the right fixing plate 33 close to the support plate 31, so as to reduce the distance between the left fixing plate 32 and the right fixing plate 33 and reduce the length of the bending card slot. Then, when the bending support module 3 is sleeved on the outer side of the vertical keel 13 or the support pipe 11, the first bending plate 36 and the second bending plate 37 can respectively abut against the side surface of the vertical keel 13, and the first bending plate 36 and the second bending plate 37 are respectively in interference fit with the vertical keel 13 or the support pipe 11, increasing the extrusion force of the bending support module 3 on the vertical keel 13 or the support pipe 11 and improving the connection stability between the bending support module 3 and the vertical keel 13 or the support pipe 11. Two groups of first bending structures are symmetrically arranged about the axis on the left fixing plate 32, and a plurality of first bending plates 36 may be equidistantly arranged in each group of first bending structures. Two groups of second bending structures are symmetrically arranged about the axis on the right fixing plate 33, and a plurality of second bending plates 37 may be equidistantly arranged in each group of second bending structures.

[0058] The surface layer module 5 may include a double-sided clamping member 52, a side seal member, two single-sided clamping members 53, and a plurality of panels 51. Connection card slots 511 are respectively provided at both side ends of the panel 51; the double-sided clamping member 52 and the single-sided clamping members 53 located in the high convex area are both connected to the support plate 31; the double-sided clamping member 52 and the single-sided clamping members 53 located in the flush area are both connected to the vertical keel 13; both side ends of the double-sided clamping member 52 are respectively clamped in two opposite connection card slots 511 of two adjacent panels 51, and the two single-sided clamping members 53 are respectively clamped in the connection card slots 511 at the left side end of the panel 51 at the left end and the connection card slots 511 at the right side end of the panel 51 at the right end among all the panels 51.

[0059] The double-sided clamping member 52 may include a double-sided base plate 521, two double-sided clamping plates 522 symmetrically connected to both ends of the double-sided base plate 521, and a double-sided fixing structure for fixedly connecting to the support plate 31. One of the two double-sided clamping plates 522 is used to clamp into the connection slot 511 of one of the adjacent two panels 51, and the other double-sided clamping plate 522 is used to clamp into the connection slot 511 of the other panel 51 among the adjacent two panels 51. The single-sided clamping member 53 includes a single-sided base plate 531, a single-sided clamping plate 532 connected to one end of the single-sided base plate 531, and a single-sided fixing structure for fixedly connecting to the vertical keel 13. The side seal member includes a sealing plate 54 connected to the side surface of the single-sided base plate 531 away from the panel 51 and a trimming plate for trimming the panel 51 at the end. The single-sided clamping plates 532 of the two single-sided clamping members 53 are respectively clamped into the connection slots 511 at the left end of the panel 51 at the left end and the connection slots 511 at the right end of the panel 51 at the right end among all the panels 51, and the trimming plate is connected to the side surface of the single-sided base plate 531 away from the single-sided clamping plate 532.

[0060] Specifically, the two connection slots 511 on the panel 51 are symmetrically arranged. The double-sided fixing structure includes two double-sided fixing plates 523 symmetrically connected to both ends of the double-sided substrate 521. The two double-sided fixing plates 523 are respectively fixedly connected to the support plate 31 or the vertical keel 13. The double-sided fixing plate 523 includes a first double-sided abutting portion 526 connected to one end of the double-sided substrate 521, a first double-sided mounting portion 527 connected to the other end of the first double-sided abutting portion 526, and a second double-sided abutting portion 528 connected to the other end of the first double-sided mounting portion 527. One side surfaces of the first double-sided abutting portion 526 and the second double-sided abutting portion 528 close to the double-sided clamping plate 522 are both abutted against the panel 51; one side surface of the first double-sided mounting portion 527 away from the double-sided clamping plate 522 protrudes to abut against the background wall base layer, and a first double-sided nail groove is recessed on the other side surface of the first double-sided mounting portion 527 close to the double-sided clamping plate 522. The single-sided fixing structure includes a single-sided fixing plate 533 connected to one end of the single-sided substrate 531. The single-sided fixing plate 533 includes a first single-sided abutting portion 536 connected to one end of the single-sided substrate 531, a first single-sided mounting portion 537 connected to the other end of the first single-sided abutting portion 536, and a second single-sided abutting portion 538 connected to the other end of the first single-sided mounting portion 537. One side surfaces of the first single-sided abutting portion 536 and the second single-sided abutting portion 538 close to the single-sided clamping plate 532 are both abutted against the panel 51; one side surface of the first single-sided mounting portion 537 away from the single-sided clamping plate 532 protrudes to abut against the vertical keel 13, and a first single-sided nail groove is recessed on the other side surface of the first single-sided mounting portion 537 close to the single-sided clamping plate 532. The first double-sided nail groove is a nail groove with a relatively large depth, which can completely accommodate the nail tail and prevent the nail tail from protruding. The sealing plate 54 is connected to one side surface of the single-sided substrate 531 away from the single-sided clamping plate 532, and the edge closing plate is connected to the sealing plate 54. The edge closing plate abuts against one side surface of the panel 51 away from the wall surface to trim the edge of the panel 51.

[0061] Specifically, it further includes first double-sided protrusions 525 respectively arranged at the top and bottom of the double-sided clamping plates 522, which increase the extrusion force between the double-sided clamping plates 522 and the panel 51, thereby improving the connection stability between the double-sided clamping plates 522 and the panel 51. The double-sided fixing structure further includes second double-sided protrusions 524 protruding from the double-sided substrates 521 for abutting against the support plate 31 or the vertical keel 13, and third double-sided protrusions 529 connected to the other end of the second double-sided abutting portion 528 for abutting against the background wall base layer. The single-sided clamping member 53 further includes first single-sided protrusions 535 respectively arranged at the top and bottom of the single-sided clamping plate 532. The single-sided fixing structure further includes second single-sided protrusions 534 protruding from the single-sided substrate 531 for abutting against the vertical keel 13, and third single-sided protrusions 539 connected to the other end of the second single-sided abutting portion 538 for abutting against the vertical keel 13. The first double-sided protrusions 525 and the first single-sided protrusions 535 can both be plum blossom-shaped plug joints, which are smoothly inserted to avoid foreign objects in the notch of the panel 51 from blocking the plug tails.

[0062] As an assembled background wall in this embodiment, it may further include a first positioning portion 322 for positioning the bending of the left extension plate 34, a second positioning portion 331 for positioning the bending of the right extension plate 35, a third positioning portion 312 for positioning the bending of the left fixing plate 32, and a fourth positioning portion 314 for positioning the bending of the right fixing plate 33. The first positioning portion 322 is arranged at the connection between the left fixing plate 32 and the left extension plate 34, the second positioning portion 331 is arranged at the connection between the right fixing plate 33 and the right extension plate 35, the third positioning portion 312 is arranged at the connection between the left fixing plate 32 and the support plate 31, and the fourth positioning portion 314 is arranged at the connection between the right fixing plate 33 and the support plate 31.

[0063] Specifically, the first positioning portion 322 can position the left extension plate 34, facilitating the bending operation of the left extension plate 34. The second positioning portion 331 can position the right extension plate 35, facilitating the bending operation of the right extension plate 35. The bending support module 3 may further include a first bending hole 323 penetrating through the first positioning portion 322 and a second bending hole 332 penetrating through the second positioning portion 331. By opening the first bending hole 323 on the first positioning portion 322, it is easier to perform the bending, making the dimensions of the bent component more standard. The first bending holes 323 can be two symmetrically arranged ones. By opening the second bending hole 332 on the second positioning portion 331, it is easier to perform the bending, making the dimensions of the bent component more standard. The second bending holes 332 can be two symmetrically arranged ones. The third positioning portion 312 can position the left fixing plate 32, facilitating the bending operation of the left fixing plate 32. The fourth positioning portion 314 can position the right fixing plate 33, facilitating the bending operation of the right fixing plate 33. The bending support module 3 may further include a third bending hole 313 penetrating through the third positioning portion 312 and a fourth bending hole 315 penetrating through the fourth positioning portion 314. By opening the third bending hole 313 on the third positioning portion 312, it is easier to perform the bending, making the dimensions of the bent component more standard. The third bending holes 313 can be two symmetrically arranged ones. By opening the fourth bending hole 315 on the fourth positioning portion 314, it is easier to perform the bending, making the dimensions of the bent component more standard. The fourth bending holes 315 can be two symmetrically arranged ones.

[0064] Specifically, the bending reinforcement module is bent along the third positioning portion 312 and the fourth positioning portion 314 to form the required shape. Confirm the position on the vertical keel 13, fix the bending reinforcement module on the vertical keel 13 or the support pipe 11, bend the left extension plate 34 and the right extension plate 35, lock them with screws, and install all the bending reinforcement modules in the high convex area in sequence. Fix the panel 51 on the completed base layer with the double-sided clamping parts 52 and the single-sided clamping parts 53. The last panel 51 needs to be installed with glue. Use the foaming glue to fix the metal edge trim on the side and lower edge of the outer frame of the high convex area. Integrally embed the metal niche 4 into the low concave area and fix it with the foaming glue.

[0065] Specifically, the metal niche 4 is integrally formed by stamping. The metal edge trim is beveled at 45 degrees and butt-jointed.

[0066] An installation method for an assembled background wall includes the following steps:

[0067] S1: Fix the load-bearing reinforcement module 1 on the wall and / or the ground to respectively form a flat area, a high convex area, and a low concave area located inside the high convex area;

[0068] S2: Fix the frame module 2 on the part of the load-bearing reinforcement module 1 located in the high convex area to form an inner frame and an outer frame of the high convex area;

[0069] S3: Fix the bending support module 3 to the part of the load-bearing reinforcement module 1 located in the high convex area;

[0070] S4: Connect a part of the surface layer module 5 to the bending support module 3 to install the surface layer module 5 in the high convex area, and connect another part of the surface layer module 5 to the part of the load-bearing reinforcement module 1 located in the flush area to install the surface layer module 5 in the flush area;

[0071] S5: Connect the side end of the niche 4 to the inner frame in the high convex area to install the niche 4 in the low concave area.

[0072] Specifically, draw a snap line on the wall surface, fix the load-bearing reinforcement module 1 according to the snap line, design the flush area, high convex area, and low concave area inside the high convex area of the background wall according to multiple load-bearing reinforcement modules 1, divide the load-bearing reinforcement module 1 into a flush area, high convex area, and low concave area according to the flush area, high convex area, and low concave area of the background wall, fix multiple frame modules 2 to the part of the load-bearing reinforcement module 1 located in the high convex area to form an inner frame and an outer frame in the high convex area, set the inner frame in the high convex area inside the outer frame in the high convex area, fix the bending support module 3 to the part of the load-bearing reinforcement module 1 located in the high convex area, connect a part of the surface layer module 5 to the bending support module 3 to install the surface layer module 5 in the high convex area, connect another part of the surface layer module 5 to the part of the load-bearing reinforcement module 1 located in the flush area to install the surface layer module 5 in the flush area, and connect the side end of the niche 4 to the inner frame in the high convex area to install the niche 4 in the low concave area.

[0073] The content described above can be implemented alone or in various combinations, and these variant forms are all within the protection scope of the present invention.

[0074] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them. Although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims

1. An assembled background wall, characterized in that: It includes a load-bearing reinforcement module (1), a frame module (2), a bending support module (3), a niche (4), and a surface layer module (5). The load-bearing reinforcement module (1) is fixed to the wall and / or the ground to respectively form a flush area, a high convex area, and a low concave area inside the high convex area. The frame module (2) is fixed to the part of the load-bearing reinforcement module (1) located in the high convex area to form an inner frame and an outer frame in the high convex area. The bending support module (3) is fixed to the part of the load-bearing reinforcement module (1) located in the high convex area. A part of the surface layer module (5) is connected to the bending support module (3) to install the surface layer module (5) inside the high convex area, and another part of the surface layer module (5) is connected to the part of the load-bearing reinforcement module (1) located in the flush area to install the surface layer module (5) inside the flush area. The side end of the niche (4) is connected to the inner frame in the high convex area to install the niche (4) inside the low concave area; the load-bearing reinforcement module (1) includes a base support member and a leveling support member. The base support member and a part of the leveling support member form the high convex area and the low concave area, and another part of the leveling support member forms the flush area; the base support member includes a load-bearing base plate (16), a support pipe (11), and a base fixing structure for connecting the support pipe (11) to the original ceiling and / or the ground respectively. The leveling support member includes a vertical keel (13) and a leveling structure for leveling the vertical keel (13) and connecting the vertical keel (13) to the wall. The side surface of the support pipe (11) away from the wall and the side surface of the vertical keel (13) away from the wall are arranged in the same vertical plane. Both ends of the load-bearing base plate (16) are respectively connected to the side surface of the support pipe (11) away from the wall and the side surface of the vertical keel (13) located in the high convex area and away from the wall; the frame module (2) includes a frame base plate (21), a frame fixing plate (22) connected to one side surface of the frame base plate (21), and a frame enclosing baffle (23) connected to the other side surface of the frame base plate (21); when the frame fixing plates (22) of the two frame modules (2) are both horizontally arranged and fixedly connected to the part of the support pipe (11) located in the high convex area and away from the low concave area and / or the part of the vertical keel (13) located in the high convex area and away from the low concave area, the frame enclosing baffles (23) of the two frame modules (2) are arranged opposite to each other to form an outer frame in the high convex area. When the frame fixing plates (22) of the two frame modules (2) are both horizontally arranged and fixedly connected to the part of the support pipe (11) located in the high convex area and close to the low concave area and / or the part of the vertical keel (13) located in the high convex area and close to the low concave area, the frame enclosing baffles (23) of the two frame modules (2) are arranged opposite to each other to form an inner frame in the high convex area;The bending support module (3) includes a support plate (31), a left fixing plate (32) and a right fixing plate (33) respectively connected to two side ends of the support plate (31), a bending card slot formed by the left fixing plate (32), the support plate (31) and the right fixing plate (33), a left extension plate (34) connected to a side end of the left fixing plate (32) far from the support plate (31), and a right extension plate (35) connected to a side end of the right fixing plate (33) far from the support plate (31); the left extension plate (34) can be bent from the same plane as the left fixing plate (32) towards the bending card slot, the right extension plate (35) can be bent from the same plane as the right fixing plate (33) towards the bending card slot, when the vertical keel (13) is inserted into the bending card slot, the left fixing plate (32) and the right fixing plate (33) can be respectively fixedly connected to two opposite side surfaces of the vertical keel (13), and when the support pipe (11) is inserted into the bending card slot, the left fixing plate (32) and the right fixing plate (33) can be respectively fixedly connected to two opposite side surfaces of the support pipe (11).; 2. The prefabricated background wall according to claim 1, characterized in that: The base fixing structure includes two angle brackets (12) respectively arranged at the lower part and the upper part, a first base screw, and a base expansion bolt. One side of the angle bracket (12) at the lower part is fixedly connected to the bottom of the support pipe (11) through the first base screw, and the other side is fixedly connected to the ground through the first base screw. One side of the angle bracket (12) at the upper part is fixedly connected to the top of the support pipe (11) through the first base screw, and the other side is fixedly connected to the original ceiling through the base expansion bolt.

3. The prefabricated background wall according to claim 1 or 2, characterized in that: The leveling structure includes a leveling base (14) and a leveling stud (15). The vertical keel (13) includes a keel base plate (131), a keel card slot extending along the axis direction of the keel base plate (131) on the side of the keel base plate (131) close to the wall surface, and a positioning hole (132) arranged on the keel base plate (131) and communicating with the keel card slot. The inner side of the leveling base (14) is provided with a first thread groove. The leveling base (14) is clamped in the keel card slot. The first thread groove communicates with the positioning hole (132). The outer part of the leveling stud (15) is provided with a second thread groove (151). When the leveling stud (15) is screwed into the first thread groove in the second thread groove (151), it is fixedly connected to the wall surface.

4. The prefabricated background wall according to claim 1, wherein: The surface layer module (5) includes a double-sided clamping part (52), a side seal, two single-sided clamping parts (53), and a plurality of panels (51). Connecting card slots (511) are respectively arranged at both ends of the panel (51). The double-sided clamping part (52) and the single-sided clamping part (53) in the high convex area are both connected to the support plate (31). The double-sided clamping part (52) and the single-sided clamping part (53) in the flush area are both connected to the vertical keel (13). Both ends of the double-sided clamping part (52) are respectively clamped in two relatively arranged connecting card slots (511) of two adjacent panels (51). The two single-sided clamping parts (53) are respectively clamped in the connecting card slot (511) at the left end of the panel (51) at the left end and the connecting card slot (511) at the right end of the panel (51) at the right end among all the panels (51).

5. The prefabricated background wall according to claim 4, wherein: The double-sided clamping member (52) includes a double-sided base plate (521), two double-sided clamping plates (522) symmetrically connected to both ends of the double-sided base plate (521), and a double-sided fixing structure for fixedly connecting to the support plate (31). One of the two double-sided clamping plates (522) is used to clamp into the connection slot (511) of one of the adjacent two panels (51), and the other double-sided clamping plate (522) is used to clamp into the connection slot (511) of the other panel (51) among the adjacent two panels (51); the single-sided clamping member (53) includes a single-sided base plate (531), a single-sided clamping plate (532) connected to one end of the single-sided base plate (531), and a single-sided fixing structure for fixedly connecting to the vertical keel (13). The side seal member includes a sealing plate (54) connected to the side surface of the single-sided base plate (531) away from the panel (51); the single-sided clamping plates (532) of the two single-sided clamping members (53) are respectively clamped into the connection slots (511) at the left end of the panel (51) located at the left end and the connection slots (511) at the right end of the panel (51) located at the right end among all the panels (51).

6. The prefabricated background wall according to claim 1, characterized in that: It further includes a first positioning portion (322) for positioning the bending of the left extension plate (34), a second positioning portion (331) for positioning the bending of the right extension plate (35), a third positioning portion (312) for positioning the bending of the left fixing plate (32), and a fourth positioning portion (314) for positioning the bending of the right fixing plate (33). The first positioning portion (322) is arranged at the connection between the left fixing plate (32) and the left extension plate (34), the second positioning portion (331) is arranged at the connection between the right fixing plate (33) and the right extension plate (35), the third positioning portion (312) is arranged at the connection between the left fixing plate (32) and the support plate (31), and the fourth positioning portion (314) is arranged at the connection between the right fixing plate (33) and the support plate (31).

7. The installation method of a prefabricated background wall according to any one of claims 1 to 6, characterized in that, It includes the following steps: S1: Fix the load-bearing strengthening module (1) to the wall and / or the ground to respectively form a flat area, a high convex area, and a low concave area inside the high convex area; S2: Fix the frame module (2) to the part of the load-bearing strengthening module (1) located in the high convex area to form an inner frame and an outer frame in the high convex area; S3: Fix the bending support module (3) to the part of the load-bearing strengthening module (1) located in the high convex area; S4: Connect a part of the surface layer module (5) to the bending support module (3) to install the surface layer module (5) inside the high convex area, and connect another part of the surface layer module (5) to the part of the load-bearing strengthening module (1) located in the flat area to install the surface layer module (5) inside the flat area; S5: Connect the side end of the niche (4) to the inner frame in the high convex area to install the niche (4) inside the low concave area.

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