CN217353291U

CN217353291U - Concave-convex background wall

Info

Publication number: CN217353291U
Application number: CN202220726960.6U
Authority: CN
Inventors: 丁欣欣; 何静姿; 陈娜; 丁泽成; 周东珊; 李鹏程; 蔡帅帅; 李建斌
Original assignee: Zhejiang Yasha Decoration Co Ltd
Current assignee: Zhejiang Yasha Decoration Co Ltd
Priority date: 2022-03-30
Filing date: 2022-03-30
Publication date: 2022-09-02
Anticipated expiration: 2032-03-30

Abstract

The utility model relates to an assembled wall technical field especially relates to an unsmooth wall. The wall comprises a background wallboard and a connecting structure for mounting the background wallboard to a wall body, wherein the background wallboard comprises a main board and a secondary board which are parallel to each other, and the main board is provided with a television mounting hole; the connecting structure comprises a supporting component for connecting the main board and the wall body and a wall pasting component for connecting the secondary board and the wall body; the wall attaching component comprises a side folding mounting piece, the side folding mounting piece comprises a connecting plate connected with the wall body and a secondary inserting plate connected with the connecting plate, and a secondary groove for the secondary inserting plate to insert is formed in the end portion of the secondary plate. The application provides a concave-convex background wall, wherein a main board in the middle of the concave-convex background wall protrudes out of a wall body, so that a television can be conveniently installed; the secondary plates at the two sides of the wall body are tightly attached to the wall body, so that the problem that the secondary plates occupy decoration space unconsciously is avoided on the basis of ensuring the integrity of the background wall.

Description

Concave-convex background wall

Technical Field

The utility model relates to an assembled wall technical field especially relates to an unsmooth wall.

Background

The background wall has good decoration to the wall, also can play the effect of protection wall, receives people's liking deeply. The traditional background wall is a home decoration art for decorating family living room televisions, sofas, hallways, bedrooms and the like, and by means of the novel conception and the advanced process, the requirements of decoration of consumers are met, the unique aesthetic style of art of owners is reflected, and the background wall becomes a perfect combination of business and art.

The traditional background wall is subjected to overhead treatment by wood strips and base plates. Firstly, the battens need to be subjected to fireproof and anticorrosive treatment, then the battens are used for base leveling, and further the base layer plate is sealed, so that an overhead layer appears on the wall surface, and the method is complex in installation, labor-consuming and time-consuming, examines the manual capability of a master worker on the site, and is not favorable for assembly decoration; the existing background walls are mostly decorative, have single functions and cannot meet the requirements of people; when a large plate needs to be hung on the background wall, the base layer is usually built into an overhead base layer in a steel frame welding mode, the labor cost and the material cost are high, special workers are needed for construction, customization is difficult, and the needs of owners are difficult to meet.

Patent document CN113266119A discloses such an assembled large panel tv background wall, which is characterized by comprising a back structure, a large panel ceramic and a frame assembly; back structure and big board pottery all set up in the frame, and by setting up forward backward. The back structure is used for fixing the background wall on the wall body on one hand and is used for connecting large-plate ceramics on the other hand.

In this application, the whole wall is on same vertical face, and the setting of back structure makes to have great distance between wall and the wall body, and after this wall was installed, the customer living room had some areas to be occupied by this wall meaninglessly for fitment space can not obtain effective utilization.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the above problem, a unsmooth wall is provided.

The technical scheme of the utility model for solving the problems is to provide a concave-convex background wall, which comprises a background wall board and a connecting structure for mounting the background wall board on a wall body, wherein the background wall board comprises a main board and a secondary board which are parallel to each other, and the main board is provided with a television mounting hole; the connecting structure comprises a supporting component for connecting the main board and the wall body and a wall pasting component for connecting the secondary board and the wall body; the wall attaching component comprises a side folding mounting piece, the side folding mounting piece comprises a connecting plate connected with the wall body and a secondary inserting plate connected with the connecting plate, and a secondary groove for the secondary inserting plate to insert is formed in the end portion of the secondary plate.

As the optimization of the utility model, the connecting plate is connected with the wall body through the leveling piece; the leveling piece comprises a plurality of keels and adjusting screws for connecting the keels and the wall body; the adjusting screw comprises a head part and a screw part for being screwed into a wall body, and the head part is provided with an external thread; the keel is at least provided with two thread adjusting holes along the length direction of the keel, and each thread adjusting hole comprises a through hole part for the screw rod part to pass through and an internal thread part in threaded connection with the head part; the connecting plate set up in on the fossil fragments, the secondary plate with fossil fragments butt.

As the utility model discloses a preferred, the supporting component include with wall connection's first mounting and with mainboard connection's first regulating part, first mounting is equipped with first insertion groove, first regulating part is including being used for inserting along the direction that is not on a parallel with the wall body the first strip of inserting of first insertion groove.

Preferably, the inner wall of the first insertion groove or/and the outer wall of the first insertion strip is provided with friction lines.

As a preferred aspect of the present invention, the first adjusting member further includes a main insertion plate connected to the first insertion strip and parallel to the wall, and the end of the main plate is provided with a main groove for allowing the main insertion plate to be inserted.

As the utility model discloses a preferred, the supporting component still includes the leveling member, the leveling member includes a plurality of base plates, the base plate sets up between adjacent two first regulating parts, the base plate with the mainboard butt.

As a preferred aspect of the present invention, the main board includes an upper board, a lower board and two side folding boards, and the television mounting hole is formed between the upper board, the lower board and the two side folding boards; connection structure still including being used for accepting go up the subassembly of accepting of minute board, it includes second mounting and second regulating part to accept the subassembly, second mounting and wall connection, just the second mounting is equipped with the second insertion groove, the second regulating part is inserted including the direction that is used for along the non-parallel with the wall body the second of second insertion groove inserts the strip and with the second inserts the strip and connects accept the board, it is parallel with the wall body to accept the board, go up the lower terminal surface butt of minute board in accept the board.

As the utility model discloses a preferred, be equipped with the banding frame in the TV mounting hole, the banding frame include with accept the sideboard of board butt.

As the optimization of the utility model, the main grooves are respectively arranged at the two ends of the upper and lower dividing plates, the main groove is arranged at one end of the edge folding plate, and the side plate is vertically arranged at the other end; the connecting structure further comprises a stop block arranged on the wall body, and the side plate is abutted to the stop block.

As the utility model discloses a preferred, the background wallboard still including set up in side seal board between mainboard and the inferior board, the one end of side seal board with receive sideboard butt, the other end with inferior board butt.

The utility model has the advantages that:

1. the main board of the middle part of the concave-convex background wall protrudes out of the wall body, so that the television can be conveniently installed, the television plane is enabled to be flush with the main board or closer to the wall body relative to the main board, and the purpose of protecting the television is achieved; the secondary plates at the two sides of the wall body are tightly attached to the wall body, so that the problem that the secondary plates occupy decoration space unconsciously is avoided on the basis of ensuring the integrity of the background wall.

2. In this application, the secondary plate adopts and receives limit installed part and wall body and paste tight installation, on the basis of guaranteeing secondary plate installation intensity, has avoided mounting structure to expose outside the wall, has influenced the problem of the wholeness of wall.

3. In the application, the main board is installed on the wall body by adopting the supporting component, the depth of the first adjusting piece inserted into the first fixing piece in the supporting component can be adjusted, and on the basis of achieving the purpose of connecting the main board and the wall body, the main board has a leveling function, so that the leveling keel does not need to be installed, and the problems of large material consumption and large occupied area caused by the leveling keel are avoided; meanwhile, the distance from the main board to the wall body can be adjusted to adapt to the installation of televisions with different thicknesses.

Drawings

FIG. 1 is a schematic structural diagram of a concave-convex background wall;

FIG. 2 is an exploded view of a concave-convex background wall structure;

FIG. 3 is an enlarged view at A in FIG. 1;

FIG. 4 is an enlarged view at B of FIG. 1;

FIG. 5 is an enlarged view at C of FIG. 1;

FIG. 6 is an enlarged view at D of FIG. 2;

in the figure: the television receiver comprises a main board 1, a television mounting hole 10, an upper board 101, a lower board 102, two edge-closing boards 103, a secondary board 2, a side sealing board 3, an edge-closing mounting piece 41, a connecting board 411, a secondary insertion board 412, a keel 42, a through hole portion 421, an internal thread portion 422, a first fixing piece 51, a first insertion groove 511, a first adjusting piece 52, a first insertion strip 521, a main insertion board 522, a base board 531, a second fixing piece 61, a second insertion groove 611, a second adjusting piece 62, a second insertion strip 621 and a receiving board 622.

Detailed Description

The following are embodiments of the present invention and the accompanying drawings are used to further describe the technical solutions of the present invention, but the present invention is not limited to these embodiments.

A concave-convex background wall comprises a background wall board and a connecting structure used for installing the background wall board to an original wall body.

When the wall is installed, the original wall is firstly preferably pretreated, namely, a waterproof and fireproof coating, such as a permeable silicate-based protective coating, is coated on the original wall, and a permeable silicate-based protective coating subjected to nano waterproof modification and organic-inorganic modification is preferably adopted, so that the protection of the cement matrix of the original wall and the fire and water resistance of the original wall are effectively improved in a brushing manner.

As shown in fig. 1 and 2, in the present application, the background wall board includes a main board 1 and a secondary board 2 which are parallel to each other, the main board 1 is used as a main tv background board, and is provided with a tv mounting hole 10, and the secondary board 2 is used as a decorative board. In actual decoration, the tv is usually installed centrally, so the background wall board includes a main board 1 and two sub-boards 2 respectively disposed on two sides of the main board 1. In this application, considering the thickness of TV and the area occupied by the background wallboard, mainboard 1 is farther away from the wall body for secondary plate 2 for mainboard 1 and secondary plate 2 form concave-convex type structure jointly. Meanwhile, since the main board 1 and the secondary board 2 are not on the same plane, and there is a gap between the main board 1 and the secondary board 2, a side sealing plate 3 is usually designed between the main board 1 and the secondary board 2 to close the gap.

Wherein, because need design TV mounting hole 10 in the middle of mainboard 1, avoid the material waste that traditional cutting pore-forming technology brought, cutting accuracy subalternation problem, mainboard 1 of this application is formed by a plurality of minute board concatenations, specifically, mainboard 1 includes a plurality of boards 101 of dividing on, a plurality of board 102 and two board 103 of receiving down divide, on divide board 101, divide down and form TV mounting hole 10 between board 102 and the two board 103 of receiving, it sets up frame 7 in order to avoid these to divide the concatenation gap between the board to advance grey preferably at the pore wall of TV mounting hole 10 simultaneously. That is, the edge banding frame 7 includes four side plates, and is respectively abutted against the lower end surface of the upper divided plate 101, the upper end surface of the lower divided plate 102, and the side end surfaces of the two edge banding plates 103. When the television frame is used, after the main board 1 is installed, the frame sealing frame 7 is inserted into the television mounting hole 10. And inferior board 2 does not need the trompil, can directly adopt the monoblock big board, also can adopt a plurality of minutes board concatenations to form, and this application adopts the monoblock big board as inferior board 2.

In order to install the main board 1 and the sub-board 2, respectively, the connection structure includes a support component for connecting the main board 1 and the wall body, and a wall-attached component for connecting the sub-board 2 and the wall body.

Wherein, if need paste the wall installation with secondary plate 2 among the prior art, the mounting means of screw usually adopts, not only has the screw head and exposes the problem that user or article are easy to hook and cause the injury outward, also is not pleasing to the eye, still is not convenient for the dismantlement of secondary plate 2 simultaneously and changes. In the present application, as shown in fig. 3, in order to avoid the above problem, the wall attaching assembly includes an edge closing mounting member 41, the edge closing mounting member 41 includes a connecting plate 411 connected to the wall, and the connecting plate 411 is fixedly connected to the wall through screws, so that the connecting plate 411 may further be provided with a screw slot for receiving a screw head; receive limit installed part 41 simultaneously still include and insert board 412 through the time that the extension board is connected with connecting plate 411, based on this structure, set up at the tip of secondary board 2 and supply time to insert the board 412 male inferior recess, can install secondary board 2 to the wall body through receiving limit installed part 41. Considering that the arrangement of the connecting plate 411 can cause a gap to exist between the secondary plate 2 and the wall body, the middle part of the secondary plate 2 cannot be supported, so that the secondary plate is easy to collapse due to external force, a half groove capable of accommodating the connecting plate 411 is arranged on one side, close to the wall body, of the secondary plate 2, after the secondary plate 2 is inserted into the edge-closing mounting piece 41, the connecting plate 411 of the edge-closing mounting piece 41 is just inserted into the half groove, the back surface of the secondary plate 2 is flush with the back surface of the connecting plate 411, and the secondary plate 2 can be attached to the wall body to be supported by the wall body.

In general, the bottom end of the secondary plate 2 directly abuts against the ground, so that only the secondary grooves are formed at the left and right ends of the secondary plate 2, and the secondary grooves are respectively installed on the wall body through the edge-folding installation pieces 41. If the secondary plate 2 needs to be hung and installed, a corresponding secondary groove can be formed at the bottom end of the secondary plate 2 and installed on the wall body through the edge-closing installation piece 41.

In addition, since the wall is not generally completely flat, the connection plate 411 may be connected to the wall by a leveling member. As shown in fig. 1 and 2, the leveling unit includes a plurality of keels 42 and adjusting screws for connecting the keels 42 and the wall. The keel 42 is preferably a reduced thickness keel; the adjusting screw is identical to a common screw and comprises a head part and a screw rod part for being screwed into a wall body, but in the application, the head part of the adjusting screw is provided with an external thread. In cooperation with this, as shown in fig. 5, the keel 42 has at least two threaded adjusting holes along its length direction, for example, two ends of the keel 42 are respectively provided with threaded adjusting holes; the screw adjustment hole includes a through hole portion 421 through which the screw portion passes, and an internal screw portion 422 to which the head portion is screw-coupled. During the use, after the fossil fragments 42 and adjusting screw pass through internal thread portion 422 and head and realize being connected, the screw rod portion part with adjusting screw protrusion in the fossil fragments 42 back is nailed into the wall body again, and the degree of depth of nailing into the wall body through the adjusting screw at adjusting fossil fragments 42 both ends can realize making level. The connection plate 411 is then attached to the keel 42 by means of ordinary screws. At this time, based on the above-described half-recessed structure of the secondary plate 2, the back surface of the secondary plate 2 abuts against the keel 42 to provide support through the keel 42.

And after the secondary board 2 is mounted on the wall, the main board 1 is mounted. The distance between the main board 1 and the wall body is usually adjusted according to the thickness of the tv, and therefore, in this embodiment, as shown in fig. 4, the supporting assembly includes a first fixing member 51 connected to the wall body and a first adjusting member 52 connected to the main board 1.

The first fixing member 51 includes a bottom plate connected to the wall, a first side plate connected to the bottom plate in a non-parallel manner, and a second side plate connected to the bottom plate in a non-parallel manner, and at this time, a first insertion groove 511 is formed among the bottom plate, the first side plate, and the second side plate. Bottom plate, first curb plate and second curb plate integrated into one piece, bottom plate, first curb plate and second curb plate all are preferably inside hollow and are equipped with the structure of backup pad to reduce material cost when guaranteeing intensity. The bottom plate can be through arbitrary mode and wall connection, in this application, the bottom plate is including gluing connecting portion and nail connecting portion, glue connecting portion and above-mentioned first curb plate, second curb plate forms above-mentioned first insertion groove 511, the one side that glue connecting portion are close to the wall body is equipped with gluey groove, be used for filling the gluing agent so that bottom plate and wall body splice, and through screwed connection between nail connecting portion and the wall body, in order to improve screwed connection's intensity, preferably set up a reinforcing plate in hollow nail connecting portion, the reinforcing plate as long as with the wall body non-perpendicular can, when the fix with screw, the screw passes nail connecting portion in proper order and keeps away from the front bezel of wall body, the reinforcing plate, insert the wall body behind the backplate that nail connecting portion is close to the wall body.

The first adjusting member 52 includes a first insertion bar 521 in cooperation with the first insertion groove 511, and the distance from the wall panel to the wall body can be adjusted as long as the first insertion bar 521 can be inserted into the first insertion groove 511 in a direction not parallel to the wall body. In order to increase the contact area between the first insertion bar 521 and the first insertion groove 511 and to increase the connection strength therebetween, it is preferable that the first insertion bar 521 is a straight plate, and correspondingly, the first side plate and the second side plate of the first fixing member 51 are arranged in parallel. Meanwhile, in consideration of convenience in adjustment, the first insertion strip 521 is inserted into the first insertion groove 511 in a direction perpendicular to the wall, so that the first side plate and the second side plate of the first fixing member 51 are both perpendicularly connected to the bottom plate.

Of course, only the first fixing member 51 and the first adjusting member 52 are connected in an inserting manner, which has a problem of low connection strength, so that the supporting assembly further includes a fixing screw, and after the depth of the first adjusting member 52 inserted into the first fixing member 51 is adjusted, the fixing screw sequentially passes through the first side plate, the first insertion strip 521 and the second side plate. Meanwhile, when in use, a plurality of first fixing parts 51 and first adjusting parts 52 are needed, and the insertion depths of the first adjusting parts 52 need to be adjusted respectively, and usually, after the insertion depths of all the first adjusting parts 52 are adjusted, the fixing screws are used for fixing, so that the fixing screws are prevented from being repeatedly disassembled and assembled under the condition that one first adjusting part 52 needs to be adjusted back repeatedly. At this time, in order to prevent the first adjusting member 52 with the adjusted insertion depth from being moved by an external force, the inner wall of the first insertion groove 511 and/or the outer wall of the first insertion strip 521 are provided with friction lines, which may be concave-convex lines, so that the friction force between the inner wall of the first insertion groove 511 and the first insertion strip 521 can be increased.

The first adjusting member 52 can be connected to the main board 1 in any manner, for example, the back surface of the main board 1 is directly glued to the end surface of the first inserting bar 521 or connected by screws, and these connection manners all have certain defects, such as environmental pollution and easy damage to the main board 1. Therefore, in this embodiment, the main board 1 is connected to the first adjusting member 52 in a plugging manner. That is, the first adjusting member 52 further includes a main insertion plate 522 connected to the first insertion strip 521 and parallel to the wall, in which the first adjusting member 52 is T-shaped, and the end of the main plate 1 is provided with a main groove into which the main insertion plate 522 is inserted. When in use, the two ends of the upper and lower sub-plates 101 and 102 are respectively provided with a main groove, and the main grooves at the two ends of the sub-plates are respectively inserted into the main insertion plates 522 of the two first adjusting pieces 52. The edge closing plate 103 only needs to be provided with a main groove at one end and be inserted into the main insertion plate 522, and the other end of the edge closing plate can be fixed in any other way, for example, in the embodiment, as shown in fig. 3, the free end on the left side of the edge closing plate 103 is vertically connected with a side plate, when the edge closing plate is installed, the edge closing plate moves from left to right, so that the main groove on the right end of the edge closing plate is inserted into the main insertion plate 522, at this time, a stop block is additionally arranged on the wall, and the side plate of the edge closing plate 103 is abutted against the left side surface of the stop block. The stop block can refer to the structure of the support assembly, and also comprises a fixed part and an insertion strip, except that a stop plate is connected to the insertion strip, a side plate of the edge closing plate 103 is abutted to the side end face of the stop plate, and the stop plate can also be used as a mounting base of the lamp. In addition, can also utilize side seal board 3, with the one end and the receipts sideboard 103 butt of side seal board 3, the other end and the butt of secondary board 2, side seal board 3 has not only given receipts sideboard 103 supporting role, has also played the effect of covering the supporting component between minute board and the wall body moreover. In this embodiment, the stopper and the side sealing plate 3 are used in combination, and the side sealing plate 3 abuts against the stopper.

Since the first insert bar 521 is thicker in the present application in order to ensure the supporting strength, if the main insert plate 522 is directly connected to the first insert bar 521, a large gap may exist between the two sub-plates and between the sub-plate and the edge-closing plate. Therefore, in this embodiment, the first adjustment member 52 further includes a slit plate with a small width, which is parallel to the first insert bar 521, and has one end connected to the first insert bar 521 and the other end perpendicularly connected to the main insert plate 522.

After the main board 1 is installed in the above manner, the problems that the middle parts of the upper and lower dividing boards and the edge folding board are not supported and are easy to stress and collapse exist. Therefore, in this embodiment, the supporting assembly further includes a leveling member, the leveling member includes a plurality of base plates 531, the base plates 531 are disposed between two adjacent first adjusting members 52, and the base plates 531 are abutted to the main board 1 to provide support through the base plates 531. The base plate 531 can be connected to the first adjusting part 52 in any manner, preferably fixedly. In this embodiment, in order to facilitate the connection of the substrate 531, the first adjusting member 52 further includes a supporting plate disposed between the first inserting bar 521 and the slit plate, and the supporting plate is disposed perpendicular to the first inserting bar 521. When the substrate 531 is mounted, the end of the substrate 531 is overlapped with the support plate and then fixed by a screw. The supporting plate is also preferably made of a thicker hollow plate material to improve the fixing effect of the base plate 531.

Considering that the first interposition strip 521 and the support plate both require a thick plate material and the seam plate and the main interposition plate 522 both require a thin plate material, it is preferable to integrally produce the first interposition strip 521 and the support plate, the seam plate and the main interposition plate 522, and then connect the seam plate and the support plate. At this time, considering the connection problem between the two, the fixing plate parallel to the main insertion plate 522 is further connected to the slit plate, so that the fixing plate, the slit plate and the main insertion plate 522 form an i-shaped member, and when in use, the fixing plate and the support plate can be connected through screws.

The supporting component connects the left and right ends of the sub-board, and for the upper sub-board 101 located above the tv installation hole 10, the supporting component is also needed to support the upper sub-board 101, so as to prevent the upper sub-board 101 from falling off. As shown in fig. 6, the receiving assembly includes a second fixing member 61 and a second adjusting member 62, the second fixing member 61 is connected to the wall, the second fixing member 61 is provided with a second insertion groove 611, and the second adjusting member 62 includes a second insertion strip 621 for inserting the second insertion groove 611 in a direction non-parallel to the wall. In this embodiment, the structures of the second fixing element 61 and the second insertion strip 621 are the same as the structure of the supporting component, and are not described herein again. In contrast, the second adjusting member 62 further includes a receiving plate 622 connected to the second insert bar 621, and the receiving plate 622 is parallel to the wall. When in use, after the second insertion strip 621 is inserted into the second insertion groove 611 and fixed by a screw, the lower end surface of the upper board 101 is abutted against the receiving plate 622, and the decoration surface of the upper board 101 is preferably flush with the surface of the receiving plate 622 away from the wall. Of course, an extension plate may be added at the lower end of the upper sub-plate 101, the extension plate is thinner than the upper sub-plate 101, one surface of the extension plate is flush with the decorative surface of the upper sub-plate 101, and the other surface of the extension plate abuts against the surface of the receiving plate 622 away from the wall, so as to cover the receiving assembly. Further, the base plate 531 is fixedly connected to the support plate by screws, and therefore, it is not necessary to receive the base plate 531, but in order to reduce the force applied by the screws, it is preferable to also abut the lower end surface of the base plate 531 to the receiving plate 622.

At this moment, the edge plate above the edge sealing frame 7 abuts against the lower end face of the bearing plate 622, and the remaining edge plate of the edge sealing frame 7 abuts against the edge receiving plate 103 and the lower sub-plate 102, so that the edge receiving plate 103 and the lower sub-plate 102 are installed in an inserting manner, and the fixing effect of the edge sealing frame 7 is relatively poor, and the edge sealing frame 7 cannot be effectively fixed. Therefore, in this application, still include three and hold the fixed subassembly of subassembly structure unanimity with above-mentioned, three fixed subassemblies and a support subassembly enclose a rectangle frame, and the banding frame 7 card is inserted to the rectangle frame in. Meanwhile, the upper end face of the lower sub-plate 102 and the side end face of the edge closing plate 103 are respectively abutted against the receiving plate of the fixing component.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides a unsmooth wall, includes the wall board and is used for installing the connection structure to the wall body with the wall board, its characterized in that: the background wallboard comprises a main board (1) and a secondary board (2) which are parallel to each other, wherein the main board (1) is provided with a television mounting hole (10); the connecting structure comprises a supporting component for connecting the main board (1) and a wall body and a wall pasting component for connecting the secondary board (2) and the wall body; the wall pasting component comprises a side folding mounting piece (41), the side folding mounting piece (41) comprises a connecting plate (411) connected with a wall body and a secondary inserting plate (412) connected with the connecting plate (411), and a secondary groove for inserting the secondary inserting plate (412) is formed in the end portion of the secondary plate (2).

2. A concavo-convex background wall as set forth in claim 1, wherein: the connecting plate (411) is connected with the wall body through a leveling piece; the leveling piece comprises a plurality of keels (42) and adjusting screws for connecting the keels (42) and a wall body; the adjusting screw comprises a head part and a screw part for being screwed into a wall body, and the head part is provided with an external thread; the keel (42) is at least provided with two thread adjusting holes along the length direction, and each thread adjusting hole comprises a through hole part (421) for the screw rod part to pass through and an internal thread part (422) in threaded connection with the head part; the connecting plate (411) is arranged on the keel (42), and the secondary plate (2) is abutted to the keel (42).

3. A concavo-convex background wall as set forth in claim 1, wherein: the supporting assembly comprises a first fixing piece (51) connected with a wall body and a first adjusting piece (52) connected with the main board (1), the first fixing piece (51) is provided with a first insertion groove (511), and the first adjusting piece (52) comprises a first insertion strip (521) inserted into the first insertion groove (511) along a direction which is not parallel to the wall body.

4. A concavo-convex background wall as set forth in claim 3, wherein: the inner wall of the first insertion groove (511) or/and the outer wall of the first insertion strip (521) are/is provided with friction lines.

5. A concavo-convex background wall as set forth in claim 3, wherein: the first adjusting piece (52) further comprises a main insert plate (522) which is connected with the first insert strip (521) and is parallel to the wall body, and a main groove for inserting the main insert plate (522) is formed in the end portion of the main plate (1).

6. A concavo-convex background wall as set forth in claim 3, wherein: the support assembly further comprises a leveling piece, the leveling piece comprises a plurality of base plates (531), the base plates (531) are arranged between two adjacent first adjusting pieces (52), and the base plates (531) are abutted to the main board (1).

7. A concavo-convex background wall as set forth in claim 5, wherein: the main board (1) comprises an upper sub board (101), a lower sub board (102) and two edge folding boards (103), and the television mounting hole (10) is formed among the upper sub board (101), the lower sub board (102) and the two edge folding boards (103); the connecting structure further comprises a bearing assembly used for bearing the upper sub-plate (101), the bearing assembly comprises a second fixing piece (61) and a second adjusting piece (62), the second fixing piece (61) is connected with the wall body, the second fixing piece (61) is provided with a second insertion groove (611), the second adjusting piece (62) comprises a second insertion strip (621) used for being inserted into the second insertion groove (611) along the direction which is not parallel to the wall body and a bearing plate (622) connected with the second insertion strip (621), the bearing plate (622) is parallel to the wall body, and the lower end face of the upper sub-plate (101) abuts against the bearing plate (622).

8. A raised and recessed background wall as claimed in claim 7, wherein: a frame sealing frame (7) is arranged in the television mounting hole (10), and the frame sealing frame (7) comprises an edge plate abutted against the bearing plate (622).

9. A concave-convex background wall according to claim 7, characterized in that: the two ends of the upper sub-plate (101) and the lower sub-plate (102) are respectively provided with the main groove, one end of the edge folding plate (103) is provided with the main groove, and the other end of the edge folding plate is vertically provided with a side plate; the connecting structure further comprises a stop block arranged on the wall body, and the side plate is abutted to the stop block.

10. A raised and recessed wall as defined in claim 9, wherein: the background wallboard still including set up in side seal board (3) between mainboard (1) and secondary plate (2), the one end of side seal board (3) with board (103) butt, the other end with secondary plate (2) butt.