Fixing structure and butt joint piece for wall brick composite board and wall board

By fixing flat connectors to the wall and using the cooperation of mounting grooves and snap strips, a firm connection between the wall tile composite board and the wall panel is achieved, solving the problem of splicing and fixing the wall tile composite board and the wall panel, and improving the firmness of the wall decoration.

CN224244352UActive Publication Date: 2026-05-15重庆集凯科技服务有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
重庆集凯科技服务有限公司
Filing Date
2024-12-31
Publication Date
2026-05-15

AI Technical Summary

Technical Problem

The lack of an effective splicing and fixing solution between wall tile composite panels and wall panels in the existing technology leads to the risk of detachment during wall decoration.

Method used

The flat connector is fixed to the wall and snaps into the joint end face of the wall panel and the wall tile composite panel respectively. The installation groove and the snap strip are used to achieve a firm connection between the wall tile composite panel and the wall panel.

Benefits of technology

It effectively solves the problem of splicing and fixing wall tile composite panels and wall panels, and improves the firmness and splicing quality of wall tile composite panels and wall panels on the wall.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of wall decoration, and provides a fixing structure and a butt joint piece of a wall brick composite board and a wall board, the fixing structure of the wall brick composite board and the wall board comprises the wall board fixedly connected on a wall body; the wall brick composite board is fixedly connected to the wall body in a manner of being adjacent to the wall board left and right; and the flush joint piece is fixedly connected to the wall body at the joint position of the wall plate and the wall brick composite plate, and is respectively clamped with the joint end face of the wall plate and the wall brick composite plate. According to the utility model, the flat connecting piece is fixedly connected to the wall body at the joint position of the wall plate and the wall brick composite plate, and is respectively clamped with the joint end surfaces of the wall plate and the wall brick composite plate, so that the wall brick composite plate and the wall plate are fixedly connected to the wall body in a splicing manner, and the problem of splicing and fixing the wall brick composite plate and the wall plate is solved; and the firmness of the wall brick composite board and the wall board on the wall body is also improved.
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Description

Technical Field

[0001] This utility model relates to the field of wall decoration technology, and more specifically, to a fixing structure and a flush connector for a wall tile composite board and a wall panel. Background Technology

[0002] To prevent tiles from detaching later in use, the applicant proposed a wall tile composite panel. However, this wall tile composite panel is a novel product structure, and in wall decoration, it needs to be spliced ​​and fixed to the wall panel to decorate the wall. Existing technology does not provide a solution for splicing and fixing wall tile composite panels to wall panels. Therefore, improvements are needed. Utility Model Content

[0003] The purpose of this utility model is to provide a fixing structure and a flat connector for wall tile composite panels and wall panels, so as to solve the technical problem of splicing and fixing wall tile composite panels and wall panels.

[0004] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0005] In a first aspect, this utility model provides a fixing structure for a wall tile composite panel and a wall panel, comprising: a wall panel, fixedly connected to a wall; a wall tile composite panel, fixedly connected to the wall on the left and right sides adjacent to the wall panel; and a flat connector, fixedly connected to the wall at the joint position of the wall panel and the wall tile composite panel, and respectively snapped into the joint end face of the wall panel and the wall tile composite panel.

[0006] Optionally, the wall panel has a first mounting groove on the side adjacent to the wall tile composite panel, and the wall tile composite panel has a second mounting groove on the side adjacent to the wall panel; the flat connector includes a fixed bottom edge and at least one snap-fit ​​strip, the fixed bottom edge is connected to at least one snap-fit ​​strip at intervals through a connecting plate, the fixed bottom edge is fixedly connected to the wall, and the snap-fit ​​strip is inserted into the first mounting groove on the wall panel and the second mounting groove on the wall tile composite panel respectively.

[0007] Optionally, the flat joint includes a snap-fit ​​strip, which is connected to one end of the connecting plate at the center of the width direction, and the other end of the connecting plate is connected to the fixed bottom edge. The snap-fit ​​strip is inserted into the first mounting groove on the wall panel and the second mounting groove of the wall tile composite panel on both sides of the width direction, respectively, wherein the openings of the first mounting groove and the second mounting groove are positioned opposite each other at the joint.

[0008] Optionally, the flat joint includes two snap-fit ​​strips, which are staggered and connected to both sides of the connecting plate. One end of the connecting plate is connected to the fixed bottom edge. One snap-fit ​​strip is inserted into the first mounting groove on the wall panel, and the other snap-fit ​​strip is inserted into the second mounting groove of the wall tile composite panel. The openings of the first and second mounting grooves are staggered at the joint position.

[0009] Optionally, the fixing structure between the wall tile composite panel and the wall panel also includes a leveling component, which is fixedly connected to the wall. The wall panel, the wall tile composite panel, and the flush connector are respectively connected to the leveling component.

[0010] Optionally, the wall tile composite panel includes: a finishing layer; an installation profile having an outward-facing installation groove; an installation profile connected to the back of the left and right sides of the finishing layer, and having an outward-facing installation groove; and a spacer layer disposed between the installation profiles on both sides and connected to the back of the finishing layer.

[0011] Optionally, the wall tile composite panel also includes: a reinforcing layer disposed between the mounting profiles on both sides and connected to the back of the finishing layer, and a spacer layer on top of the reinforcing layer.

[0012] Optionally, the reinforcing layer includes a rigid plate with folded edges on both sides near the mounting profile, the folded edges abutting against the mounting profile, and multiple through holes on the rigid plate. The reinforcing layer is connected to the back of the finishing layer by adhesive, and the spacer layer is connected to the back of the finishing layer by excess adhesive flowing from the through holes.

[0013] Secondly, this utility model provides a flat connector, which is applied to the above-mentioned fixing structure of wall tile composite board and wall panel. The flat connector includes a fixed bottom edge and two snap-fit ​​strips. The fixed bottom edge is connected to the two snap-fit ​​strips at intervals through a connecting plate. The fixed bottom edge is fixedly connected to the wall. The two snap-fit ​​strips are respectively inserted into the first mounting groove of the wall panel and the second mounting groove of the wall tile composite board.

[0014] Optionally, two snap-fit ​​strips are staggered and connected to the two sides of the connecting plate. One end of the connecting plate is connected to the fixed bottom edge, and the other end of the connecting plate is connected to one of the snap-fit ​​strips on one side in the width direction. Another snap-fit ​​strip is connected to the connecting plate between one of the snap-fit ​​strips and the fixed bottom edge on one side in the width direction, and the two snap-fit ​​strips are back-to-back and staggered.

[0015] The beneficial effects of the wall tile composite panel and wall panel fixing structure provided by this utility model are at least as follows: the wall tile composite panel and wall panel are fixedly connected to the wall at the joint position by the flat joint piece, and respectively snapped to the joint end face of the wall panel and the wall tile composite panel, so that the wall tile composite panel and wall panel are fixedly connected to the wall. This not only solves the problem of fixing the wall tile composite panel and wall panel, but also improves the firmness of the wall tile composite panel and wall panel on the wall. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 A schematic diagram of a fixing structure between a wall tile composite panel and a wall panel provided for an embodiment of this utility model;

[0018] Figure 2 A partially enlarged view of a fixing structure between a wall brick composite panel and a wall panel, provided for an embodiment of this utility model;

[0019] Figure 3 A cross-sectional schematic diagram of a wall brick composite panel provided for an embodiment of this utility model;

[0020] Figure 4 A schematic diagram of the structure of a reinforcement layer provided in an embodiment of this utility model;

[0021] Figure 5 A schematic diagram of the structure of a flat joint provided in an embodiment of this utility model;

[0022] Figure 6 This is a schematic diagram of another flat connector provided in an embodiment of the present utility model.

[0023] The reference numerals in the figures are as follows: 1. Wall panel; 2. Wall brick composite panel; 3. Flat joint; 4. Wall; 5. Leveling component; 11. First mounting groove; 21. Finishing layer; 22. Mounting profile; 23. Spacer layer; 24. Reinforcing layer; 221. Second mounting groove; 241. Folded edge; 242. Through hole; 31. Fixed bottom edge; 32. Clip strip; 33. Connecting plate. Detailed Implementation

[0024] To make the technical problem to be solved, the technical solution, and the beneficial effects of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain this utility model and are not intended to limit this utility model.

[0025] It should be noted that when a component is referred to as "fixed to" or "set on" another component, it may be directly or indirectly located on that other component. When a component is referred to as "connected to" another component, it may be directly or indirectly connected to that other component. The terms "upper," "lower," "left," "right," "front," "rear," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicate orientations or positions based on the accompanying drawings, and are for ease of description only, and should not be construed as limiting the technical solution. The terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features. "A plurality" means two or more, unless otherwise explicitly defined.

[0026] Please see Figures 1 to 6 In the first embodiment of this application, a fixing structure for a wall tile composite panel and a wall panel is provided, including a wall panel 1, a wall tile composite panel 2, and a flat connector 3. The wall panel 1 is fixedly connected to a wall 4. The wall tile composite panel 2 is fixedly connected to the wall 4 on the left and right sides of the wall panel 1. The flat connector 3 is fixedly connected to the wall 4 at the joint position of the wall panel 1 and the wall tile composite panel 2, and is respectively engaged with the joint end face of the wall panel 1 and the wall tile composite panel 2.

[0027] Specifically, the joint location refers to the junction between two wall panels 1 and the brick composite board 2 that are spliced ​​together on the wall 4. The joint end face refers to the side face of each of the wall panels 1 and the brick composite board 2 on the side of the splicing location.

[0028] In this embodiment, wall panel 1 is preferably a prefabricated wall panel. Since wall tile composite panel 2 and wall panel 1 are two different wall decoration panels, in this embodiment, wall panel 1 and wall tile composite panel 2 are fixedly connected to the wall 4 at the joint position by a flat connector 3, and respectively snapped with the joint end face of wall panel 1 and wall tile composite panel 2, so that wall tile composite panel 2 and wall panel 1 are fixedly connected to the wall 4. This solves the problem of splicing and fixing wall tile composite panel 2 and wall panel 1, and also improves the firmness of wall tile composite panel 2 and wall panel 1 on the wall 4.

[0029] In practice, the specific implementation method of snapping the flat joint 3 with the wall panel 1 and the wall brick composite board 2 at the joint end face is not unique.

[0030] In some embodiments, the wall panel 1 has a first mounting groove 11 on the side adjacent to the wall tile composite panel 2, and the wall tile composite panel 2 has a second mounting groove 221 on the side adjacent to the wall panel 1; the flat connector 3 includes a fixed bottom edge 31 and at least one snap-fit ​​strip 32, the fixed bottom edge 31 is connected to at least one snap-fit ​​strip 32 at intervals through a connecting plate 33, the fixed bottom edge 31 is fixedly connected to the wall 4, and the snap-fit ​​strip 32 is respectively inserted into the first mounting groove 11 on the wall panel 1 and the second mounting groove 221 on the wall tile composite panel 2.

[0031] Specifically, the flat connector 3 is fixed to the wall 4 by fixing the bottom edge 31, and the snap-fit ​​strip 32 is inserted into the first mounting groove 11 on the wall panel 1 and the second mounting groove 221 on the wall tile composite board 2 respectively, so as to connect the wall panel 1 and the wall tile composite board 2 together at the splicing position and securely fix them to the wall 4.

[0032] The structure of the snap-fit ​​strip 32 is not unique.

[0033] For example, in an alternative embodiment, combined with Figure 5 For example, the flat joint 3 includes a snap-fit ​​strip 32, which is connected to one end of the connecting plate 33 at the center of the width direction. The other end of the connecting plate 33 is connected to the fixed bottom edge 31. The snap-fit ​​strip 32 is inserted into the first mounting groove 11 on the wall panel 1 and the second mounting groove 221 on the wall tile composite board 2 on both sides of the width direction, respectively. The openings of the first mounting groove 11 and the second mounting groove 221 are set opposite each other at the joint position.

[0034] Specifically, the connecting plate 33 is located between the snap-fit ​​strip 32 and the fixed bottom edge 31, and the snap-fit ​​strip 32 and the fixed bottom edge 31 are respectively perpendicularly connected to the connecting plate 33. In this embodiment, the snap-fit ​​strip 32 on both sides in the width direction refers to... Figure 5 When the flat connector 3 is engaged with the wall panel 1 and the wall tile composite board 2, the two sides of the snap-fit ​​strip 32 are on the same plane in the width direction. The openings of the first mounting groove 11 and the second mounting groove 221 are directly opposite each other at the joint position. Thus, the snap-fit ​​strip 32 is inserted into the first mounting groove 11 of the wall panel 1 and the second mounting groove 221 of the wall tile composite board 2 on both sides in the width direction, thereby achieving the effect of snapping and fixing the wall panel 1 and the wall tile composite board 2 to the wall 4.

[0035] For example, in another alternative embodiment, combined with Figure 6 For example, the flat joint 3 includes two snap-fit ​​strips 32, which are staggered and connected to both sides of the connecting plate 33. One end of the connecting plate 33 is connected to the fixed bottom edge 31. One snap-fit ​​strip 32 is inserted into the first mounting groove 11 on the wall panel 1, and the other snap-fit ​​strip 32 is inserted into the second mounting groove 221 of the wall tile composite board 2. The openings of the first mounting groove 11 and the second mounting groove 221 are staggered at the joint position.

[0036] Specifically, one end of the connecting plate 33 is vertically connected to the fixed bottom edge 31. Two snap-fit ​​strips 32 are respectively vertically connected to the connecting plate 33 on one side of the width direction. One snap-fit ​​strip 32 is located on the side of the connecting plate 33 in the thickness direction, and the other snap-fit ​​strip 32 is located on the other side of the connecting plate 33 in the thickness direction. One snap-fit ​​strip 32 is closer to the other end of the connecting plate 33, and the other snap-fit ​​strip 32 is located on the connecting plate 33 before the fixed bottom edge 31. This means the two snap-fit ​​strips 32 are connected to the connecting plate 33 in opposite directions and staggered, i.e., the two snap-fit ​​strips 32 are not on the same plane. In this embodiment, the width direction of the snap-fit ​​strip 32 is consistent with the thickness direction of the connecting plate 33, and the thickness direction of the connecting plate 33 is... Figure 6 The left or right side of the connecting plate 33 shown. The flat connector 3 provided in this embodiment is connected to both sides of the connecting plate 33 by two staggered snap-fit ​​strips 32, so as to cooperate with the first mounting groove 11 on the wall panel 1 and the second mounting groove 221 on the wall tile composite board 2 respectively. This allows it to snap onto the wall panel 1 and the wall tile composite board 2 on different planes, so as to avoid the impact of the fit gap between the snap-fit ​​strip 32 and the mounting groove on the wall leveling and improve the leveling quality between the wall panel 1 and the wall tile composite board 2.

[0037] In some embodiments, combined with Figure 2 and Figure 3 For example, the wall tile composite panel 2 includes: a decorative layer 21, an installation profile 22 and a spacer layer 23. The installation profile 22 is connected to the back of the left and right sides of the decorative layer 21, and the installation profile 22 is provided with an installation groove with an opening facing outward. The spacer layer 23 is located between the installation profiles 22 on both sides and is connected to the back of the decorative layer 21.

[0038] Specifically, the mounting profile 22 provides an installation structure and mounting groove for the composite ceramic tile. This groove engages with the snap-fit ​​strip 32 on the flat connector 3 during wall installation of the composite ceramic tile panel 2. The snap-fit ​​strip 32 is inserted into the mounting groove to secure the composite ceramic tile panel 2 to the flat wall surface or leveling joists. In this embodiment, the mounting groove on the mounting profile 22 includes a second mounting groove 221.

[0039] It should be noted that the mounting profile 22 can be glued to the back of the finishing layer 21. The adhesive between the mounting profile 22 and the finishing layer 21 is stronger than the adhesive used for traditional tile bonding to walls. For example, the adhesive used for direct bonding of traditional tiles to walls is generally silicone structural adhesive, while polyurethane structural adhesive is used between the mounting profile 22 and the finishing layer 21. The latter's adhesive strength is 2-3 times that of the former. Therefore, the connection between the mounting groove and the snap-fit ​​strip 32 is far more secure than that of direct adhesive bonding.

[0040] Specifically, the spacer layer 23 is bonded to the back of the finishing layer 21 between the mounting profiles 22 on both sides. The spacer layer 23 can improve the sound insulation performance of the back of the wall tile composite panel 2, and also play a role in impact resistance, making the wall tile composite panel 2 less prone to damage under external impact. In this embodiment, the material of the spacer layer 23 is not unique. For example, the spacer layer 23 is made of aerogel or polymer material.

[0041] Furthermore, in some embodiments, combined with Figure 3 Specifically, the wall tile composite panel 2 also includes: a reinforcing layer 24, disposed between the mounting profiles 22 on both sides and connected to the back of the finishing layer 21, and a spacer layer 23 on top of the reinforcing layer 24. The reinforcing layer 24 can increase the rigidity of the wall tile composite panel 2 and prevent the wall tile composite panel 2 from easily breaking.

[0042] Preferably, combined with Figure 4 In this embodiment, the reinforcing layer 24 includes a rigid plate. The rigid plate has folded edges 241 on both sides near the mounting profile 22. The folded edges 241 abut against the mounting profile 22. The rigid plate has multiple through holes 242. The reinforcing layer 24 is connected to the back of the finishing layer 21 by adhesive. The spacer layer 23 is connected to the back of the finishing layer 21 by excess adhesive flowing out from the through holes 242.

[0043] Specifically, the folded edge 241 is perpendicular to the back of the wall tile composite panel 2. In this embodiment, the reinforcing layer 24 is selected as a rigid flat plate, which can improve the strength of the wall tile composite panel 24, prevent the tiles from cracking during transportation and use, and improve safety.

[0044] In addition, the through holes 242 on the rigid plate serve as overflow holes. When the rigid plate is laminated with the finishing layer 21, the glue can overflow from the through holes 242 to form glue nails, which firmly fixes the rigid plate to the back of the finishing layer 21, increasing the safety of the composite board. Furthermore, the folded edges 241 on both sides of the mounting profile 22 further improve the strength of the composite board in the thickness direction, thereby improving the overall strength of the wall tile composite board 2.

[0045] In some embodiments, combined with Figure 1 In addition, the fixing structure between the wall tile composite board 2 and the wall panel 1 also includes a leveling component 5, which is fixedly connected to the wall 4. The wall panel 1, the wall tile composite board 2, and the flush connector 3 are respectively connected to the leveling component 5.

[0046] Specifically, leveling component 5 can be selected as leveling keel. In practice, when splicing and installing wall tile composite board 2 and wall panel, the specific installation steps are as follows:

[0047] Step S1: Install the leveling keel;

[0048] Step S2: Apply structural adhesive to the leveling keel to install and fix the wall panel 1 (or wall tile composite panel 2), then insert the flat connector 3 and use screws to lock the flat connector 3 onto the leveling keel or wall 4.

[0049] Step S3: Insert the wall tile composite board 2 (or wall panel 1) into the flat joint 32, and use structural adhesive to fix the wall tile composite board 2 to the leveling keel, so as to complete the splicing and fixing of the wall panel 1 and the wall tile composite board 2 on the wall 4.

[0050] In addition, combined Figure 1 , Figure 5 and Figure 6 In the first embodiment of this utility model, a flat connector 3 is also provided, which is applied to the fixing structure of the wall tile composite board 2 and the wall panel in any of the above embodiments. The flat connector 3 includes a fixed bottom edge 31 and two snap-fit ​​strips 32. The fixed bottom edge 31 is connected to the two snap-fit ​​strips 32 at intervals through a connecting plate 33. The fixed bottom edge 31 is fixedly connected to the wall 4. The two snap-fit ​​strips 32 are respectively inserted into the first mounting groove 11 on the wall panel 1 and the second mounting groove 221 on the wall tile composite board 2.

[0051] Preferably, in this embodiment, two snap-fit ​​strips 32 are connected to the two sides of the connecting plate 33 in a staggered manner. One end of the connecting plate 33 is connected to the fixed bottom edge 31, and the other end of the connecting plate 33 is connected to one of the snap-fit ​​strips 32 on one side in the width direction. One snap-fit ​​strip 32 is connected to the connecting plate 33 between one of the snap-fit ​​strips 32 and the fixed bottom edge 31 on one side in the width direction. The two snap-fit ​​strips 32 are back-to-back and staggered.

[0052] In this embodiment, two snap-fit ​​strips 32 are staggered and connected to the flat joints 3 on both sides of the connecting plate 33 to snap-fit ​​the wall panel 1 and the wall tile composite board 2 at different flat joints, thereby avoiding the influence of the fit between the snap-fit ​​strips 32 and the mounting groove on the leveling, thus improving the leveling quality of the wall panel 1 and the wall tile composite board 2 on the wall surface.

[0053] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A fixing structure for a wall tile composite panel and a wall panel, characterized in that, include: Wall panels are fixedly connected to the wall. Wall tile composite panels are fixedly connected to the wall on the left and right sides adjacent to the wall panels; The flat connector is fixedly connected to the wall at the joint position of the wall panel and the wall brick composite board, and is respectively snapped into the joint end face of the wall panel and the wall brick composite board.

2. The fixing structure between the wall brick composite panel and the wall panel according to claim 1, characterized in that, The wall panel has a first mounting groove on the side adjacent to the wall brick composite panel, and the wall brick composite panel has a second mounting groove on the side adjacent to the wall panel; The flat connector includes a fixed bottom edge and at least one snap-fit ​​strip. The fixed bottom edge is connected to the at least one snap-fit ​​strip at intervals via a connecting plate. The fixed bottom edge is fixedly connected to the wall. The snap-fit ​​strips are respectively inserted into the first mounting groove on the wall panel and the second mounting groove on the wall tile composite panel.

3. The fixing structure between the wall brick composite panel and the wall panel according to claim 2, characterized in that, The flat connector includes a snap-fit ​​strip, which is connected to one end of the connecting plate at the center of the width direction. The other end of the connecting plate is connected to the fixed bottom edge. The snap-fit ​​strip is inserted into the first mounting groove of the wall panel and the second mounting groove of the wall tile composite panel on both sides of the width direction, respectively. The openings of the first mounting groove and the second mounting groove are positioned opposite each other at the joint.

4. The fixing structure between the wall brick composite panel and the wall panel according to claim 2, characterized in that, The flat connector includes two snap-fit ​​strips, which are staggered and connected to both sides of the connecting plate. One end of the connecting plate is connected to the fixed bottom edge. One snap-fit ​​strip is inserted into the first mounting groove of the wall panel, and the other snap-fit ​​strip is inserted into the second mounting groove of the wall tile composite panel. The openings of the first and second mounting grooves are staggered at the joint position.

5. The fixing structure between the wall tile composite panel and the wall panel according to any one of claims 1-4, characterized in that, It also includes leveling components, which are fixedly connected to the wall. The wall panel, wall brick composite panel and flush connector are respectively connected to the leveling components.

6. The fixing structure between the wall tile composite panel and the wall panel according to any one of claims 1-4, characterized in that, The wall tile composite panel includes: Finishing layer; Mounting profiles are connected to the back of the left and right sides of the finishing layer, and the mounting profiles are provided with mounting grooves with outward openings. A spacer layer is disposed between the mounting profiles on both sides and is connected to the back of the finishing layer.

7. The fixing structure between the wall brick composite panel and the wall panel according to claim 6, characterized in that, The wall tile composite panel also includes: A reinforcing layer is disposed between the mounting profiles on both sides and connected to the back of the finishing layer, and the spacer layer is on top of the reinforcing layer.

8. The fixing structure between the wall brick composite panel and the wall panel according to claim 7, characterized in that, The reinforcing layer includes a rigid plate with folded edges on both sides near the mounting profile. The folded edges abut against the mounting profile. The rigid plate has multiple through holes. The reinforcing layer is attached to the back of the finishing layer with adhesive. The spacer layer is attached to the back of the finishing layer with excess adhesive flowing out from the through holes.

9. A flat connector, characterized in that, In the fixing structure of the wall tile composite panel and the wall panel as described in any one of claims 1-8, the flat connector includes a fixed bottom edge and two snap-fit ​​strips. The fixed bottom edge is connected to the two snap-fit ​​strips at intervals through a connecting plate. The fixed bottom edge is fixedly connected to the wall. The two snap-fit ​​strips are respectively inserted into the first mounting groove of the wall panel and the second mounting groove of the wall tile composite panel.

10. The flat joint according to claim 9, characterized in that, The two snap-fit ​​strips are staggered and connected to the two sides of the connecting plate. One end of the connecting plate is connected to the fixed bottom edge, and the other end of the connecting plate is connected to one of the snap-fit ​​strips on one side in the width direction. Another snap-fit ​​strip is connected to the connecting plate between the one snap-fit ​​strip and the fixed bottom edge on one side in the width direction. The two snap-fit ​​strips are back-to-back and staggered.