Wallboard modeling line assembly and wallboard system

By designing the limiting groove and installation groove of the wall panel molding components, the problem of traditional wood veneer wall panels being unable to achieve irregular shapes has been solved, achieving simple installation and high aesthetics.

CN224244351UActive 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

Traditional wood veneer wall panels are difficult to use for creating complex irregular wall shapes, and the installation of irregularly shaped components is difficult and the installation effect is poor.

Method used

The design of the wall panel molding components includes first and second wall panel molding components and limiting components. The design of the limiting groove and the installation groove enables simple splicing, and the molding part enhances the aesthetics.

Benefits of technology

It achieves simple installation and high aesthetic appeal for irregularly shaped wall panels, reduces installation difficulty, and improves installation results.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of building decoration, and provides a wallboard modeling line assembly and a wallboard system. The wallboard modeling line assembly comprises a first wallboard modeling line component, a second wallboard modeling line component and a limiting piece, wherein the first wallboard modeling line component comprises a wall body connecting part; the left end of the first upper groove wall part is connected with the left end of the wall body connecting part through a first heightening part; the right end of the second upper groove wall part is connected with the right end of the wall body connecting part through a second heightening part; the attaching part is formed by vertically extending downwards; the modeling part comprises an arc-shaped part formed by extending along an arc shape, and the upper end of the modeling part is connected with the right end of the second lower groove wall through a third heightening part; one end of the limiting piece can be inserted into the limiting groove of the first wallboard modeling line component, and the other end of the limiting piece can be inserted into the limiting groove of the second wallboard modeling line component. According to the technical scheme, the installation convenience and attractiveness of the wallboard modeling line can be improved.
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Description

Technical Field

[0001] This disclosure relates to the field of architectural decoration technology, and in particular to a wall panel molding component and wall panel system. Background Technology

[0002] In architectural interior layout, irregular shapes and lines are often designed on the walls to increase their practicality and aesthetics.

[0003] Traditional wood veneer wall panels are difficult to achieve complex irregular wall shapes, and the installation of separately manufactured irregular shape components to fit wood veneer wall panels is quite difficult, which often results in poor installation results for the irregular shape components. Utility Model Content

[0004] In view of this, the present disclosure provides a wall panel molding line component and a wall panel system to solve the technical problems in the prior art where irregularly shaped wall panel components are difficult to install and have poor aesthetics after installation.

[0005] To achieve the above objectives, the technical solution adopted in this disclosure is:

[0006] In a first aspect, embodiments of this disclosure provide a wall panel molding line assembly, which includes a first wall panel molding line component, a second wall panel molding line component, and a limiting member. The first wall panel molding line component includes: a wall connecting portion, extending horizontally; a limiting groove, the opening of which faces left, including a bottom of the first groove and a horizontally extending first upper groove wall portion and a horizontally extending first lower groove wall portion, the left end of which is connected to the left end of the wall connecting portion via a first raised portion; and a mounting groove, the opening of which faces right, including a bottom of the second groove and a horizontally extending second upper groove wall portion and a horizontally extending second lower groove wall portion, the second upper groove wall portion... The right end of the part is connected to the right end of the wall connection part through the second raised part; the fitting part extends vertically downward from the left end of the first lower groove wall; the shaping part, with the lower end of the fitting part as the starting point, includes an arc-shaped part extending along an arc, and the upper end of the shaping part is connected to the right end of the second lower groove wall through the third raised part; the second wall panel shaping line component is a mirror image symmetrical component of the first wall panel shaping line component. When the first wall panel shaping line component and the second wall panel shaping line component are placed symmetrically adjacent to each other, one end of the limiting member can be inserted into the limiting groove of the first wall panel shaping line component, and the other end can be inserted into the limiting groove of the second wall panel shaping line component.

[0007] In some embodiments, the shaping portion includes: a semi-circular portion extending to the right along a semi-circle from the lower end of the fitting portion, the semi-circular portion protruding downwards; and a long arc portion connected to the right end of the semi-circular portion, including an arc portion extending in an arc shape towards the upper right and protruding towards the upper left.

[0008] In some embodiments, the long arc portion includes a vertical portion extending vertically upward from the right end of the semi-circular arc portion and an arc portion extending arcuately upward to the left from the upper end of the vertical portion toward the upper right.

[0009] In some embodiments, the first raised portion is formed by extending vertically downward from the left end of the wall connection portion, and the second raised portion is formed by extending obliquely downward to the right from the right end of the wall connection portion.

[0010] In some embodiments, the first raised portion and the second raised portion have the same vertical height.

[0011] In some embodiments, the third raised portion is formed by extending vertically upward from the upper end of the shaped portion.

[0012] In some embodiments, the thickness of the limiting member is equal to the width of the limiting groove wall.

[0013] In some embodiments, a chamfered structure is provided at the connection between the upper end of the third raised portion and the right end of the lower wall of the mounting groove.

[0014] In some embodiments, the outer surface of the styling part is provided with a decorative layer.

[0015] Secondly, embodiments of this disclosure provide a wall panel system, which includes a decorative panel, a connector, and a wall panel molding line assembly as described in the first aspect of this disclosure. The first and second wall panel molding line components of the wall panel molding line assembly are spliced ​​together by a limiting member. The connector has an insertion portion, and the end of the decorative panel has a decorative panel groove. The decorative panel is fixedly connected to the connector through the decorative panel groove and the insertion portion. The first and second wall panel molding line components are fixedly connected to the connector through mounting grooves and insertion portions, respectively.

[0016] The beneficial effects of the embodiments disclosed herein compared with the prior art include: the technical solution of the embodiments disclosed herein, by designing the limiting groove of the wall panel molding line component, can relatively easily use the limiting member to splice two symmetrical wall panel molding line components; by designing the installation groove of the wall panel molding line component, the wall panel molding line component can be inserted with the connector used for installing the decorative panel, thereby relatively easily splicing the wall panel molding line component with the wall decorative panel; and by designing the molding part of the wall panel molding line component, the wall panel molding line component has a high aesthetic appeal. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this disclosure, the accompanying drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this disclosure. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a structural schematic diagram of a first wall panel molding line component provided in an embodiment of this disclosure;

[0019] Figure 2 This is a structural schematic diagram of another first wall panel shaped line component provided in an embodiment of this disclosure;

[0020] Figure 3 This is an exploded structural diagram of a wall panel molding line component provided in an embodiment of this disclosure;

[0021] Figure 4 This is a schematic diagram of the wall panel system provided in the embodiments of this disclosure.

[0022] The following are the labeling elements in the figure:

[0023] 100. First wall panel decorative line component; 110. Wall connection part; 121. First upper groove wall part; 122. Second lower groove wall part; 131. Second upper groove wall part; 132. Second lower groove wall part; 140. Fitting part; 150. Shaped part; 171. First raised part; 172. Second raised part; 173. Third raised part; 200. First wall panel decorative line component; 210. Wall connection part; 221. First upper groove wall part; 222. Second lower groove wall part; 231. Second upper groove wall part; 232. Second lower groove wall part; 240. Fitting part; 251. Semicircular arc part; 252. Arc-shaped part; 271. First raised part; 272. Second raised part; 27 3. Third raised section; 300. First wall panel decorative line component; 310. Wall connection section; 320. Limiting groove; 331. Second upper groove wall section; 332. Second lower groove wall section; 340. Fitting section; 351. Semi-circular arc section; 352. Vertical section; 353. Arc-shaped section; 360. Chamfered surface; 371. First raised section; 372. Second raised section; 373. Third raised section; 400. Limiting component; 500. Second wall panel decorative line component; 520. Limiting groove; 540. Fitting section; 600. Keel; 701. Decorative panel; 702. Decorative panel; 801. Screw; 802. Screw; 803. Screw; 804. Screw; 900. Structural wall. Detailed Implementation

[0024] To make the technical problems, technical solutions, and beneficial effects to be solved by this disclosure clearer, the disclosure 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 for explaining this disclosure and are not intended to limit this disclosure.

[0025] It should be noted that when a component is referred to as "fixed to" or "set on" another component, it can be directly or indirectly located on that other component. When a component is referred to as "connected to" another component, it can 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 the orientation or position 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 of" means two or more, unless otherwise explicitly defined.

[0026] The wall panel molding line assembly and wall panel system according to embodiments of the present disclosure will now be described in detail with reference to the accompanying drawings.

[0027] Figure 1 This is a structural schematic diagram of a first wall panel molding line component provided in an embodiment of this disclosure; Figure 2 This is a structural schematic diagram of another first wall panel shaped line component provided in an embodiment of this disclosure; Figure 3 This is an exploded structural diagram of a wall panel molding line component provided in an embodiment of this disclosure; Figure 4 This is a schematic diagram of the wall panel system provided in the embodiments of this disclosure. The following is in conjunction with... Figures 1 to 4 Let's describe the wall panel molding line components and wall panel system provided in the embodiments of this disclosure.

[0028] The wall panel molding assembly provided in this embodiment includes a first wall panel molding component, a second wall panel molding component, and a limiting member. The second wall panel molding component is a mirror image symmetrical to the first wall panel molding component, and the limiting member is a sheet-like structure.

[0029] like Figure 1As shown, a first wall panel molding component 100 includes: a wall connecting portion 110, which extends horizontally; a limiting groove, the opening of which faces left, including the bottom of a first groove and a horizontally extending first upper groove wall portion 121 and a horizontally extending first lower groove wall portion 122, the left end of which is connected to the left end of the wall connecting portion 110 via a first raised portion 171; an installation groove, the opening of which faces right, including the bottom of a second groove and a horizontally extending second upper groove wall portion 131 and a horizontally extending second lower groove wall portion 132, the right end of which is connected to the right end of the wall connecting portion via a second raised portion 172; a fitting portion 140, which extends vertically downward from the left end of the first lower groove wall; and a molding portion 150, which, starting from the lower end A of the fitting portion, includes an arc-shaped portion extending in an arc, the upper end B of which is connected to the right end of the second lower groove wall 132 via a third raised portion 173.

[0030] like Figure 2 As shown, another type of first wall panel molding component 200 includes: a wall connection portion 210, extending horizontally; a limiting groove, the opening of which faces left, including the bottom of a first groove and a horizontally extending first upper groove wall portion 221 and a horizontally extending first lower groove wall portion 222, the left end of the first upper groove wall portion being connected to the left end of the wall connection portion 210 via a first raised portion 271; and a mounting groove, the opening of which faces right, including the bottom of a second groove and a horizontally extending second upper groove wall portion 231 and a horizontally extending second lower groove wall portion 232, the second upper groove... The right end of the wall portion is connected to the right end of the wall connection portion via the second raised portion 272; the fitting portion 240 extends vertically downward from the left end of the first lower groove wall; the shaping portion includes a semi-circular portion 251, which extends to the right along a semi-circle from the lower end A of the fitting portion, and the semi-circular portion protrudes downward; the long arc portion is connected to the right end C of the semi-circular portion, and includes an arc-shaped portion 252 that extends to the upper right and protrudes to the upper left, and the upper end B of the arc portion 252 is connected to the right end of the second lower groove wall 232 via the third raised portion 273.

[0031] like Figure 3The wall panel molding component shown, another type of first wall panel molding component includes: a wall connecting part 310, which extends horizontally; a limiting groove 320, the opening of which faces left, including a bottom of a first groove and a horizontally extending upper groove wall and a horizontally extending lower groove wall, the left end of which is connected to the left end of the wall connecting part 310 via a first raised part 371; and a mounting groove, the opening of which faces right, including a bottom of a second groove and a horizontally extending second upper groove wall 331 and a horizontally extending second lower groove wall 332, the right end of which is connected to a second raised part 371 via a second raised part 371. The high part 372 is connected to the right end of the wall connection part; the fitting part 340 extends vertically downward from the left end of the first lower groove wall; the shaping part includes a semi-circular part 351, which extends to the right along a semi-circle from the lower end A of the fitting part, and the semi-circular part protrudes downward; the long arc part includes a vertical part 352 that extends vertically upward from the right end C of the semi-circular part and an arc-shaped part 353 that extends arc-shapedly upward to the left from the upper end D of the vertical part along an arc shape, and the upper end B of the arc-shaped part 353 is connected to the right end of the second lower groove wall 332 through the third raised part 373.

[0032] like Figure 3 As shown, when the first wall panel molding component 300 and the second wall panel molding component 500 are placed symmetrically adjacent to each other, one end of the limiting member 400 can be inserted into the limiting groove 320 of the first wall panel molding component, and the other end can be inserted into the limiting groove 520 of the second wall panel molding component 500. The fitting portion 340 of the first wall panel molding component 300 and the fitting portion 540 of the second wall panel molding component 500 are in contact. Specifically, adjacent placement refers to placement in an adjacent and connected state. Right mirror symmetry means relative to... Figure 3 A plane or line in the vertical direction is symmetrical about the left and right.

[0033] like Figure 1 , Figure 2 and Figure 3 As shown, the first raised portion 171, the first raised portion 271, and the first raised portion 371 are all formed by extending vertically downward from the left end of the wall connection portion. The second raised portion 172, the second raised portion 272, and the second raised portion 372 are all formed by extending inclined downward to the right from the right end of the wall connection portion.

[0034] The third raised portion 173, the third raised portion 273, and the third raised portion 373 are all formed by extending vertically upwards from the upper end of the shaping portion. For example... Figure 3 As shown, the height of the third raised part is equal to the thickness of the part below the groove of the corresponding decorative panel, so that the decorative part can be fully exposed to the outside of the decorative panel, increasing the aesthetics of the wall.

[0035] like Figure 3As shown, the connection between the upper end of the third raised part 373 and the right end of the lower groove wall 332 of the mounting groove is provided with a chamfered structure including a chamfered surface 360. The chamfered structure can reserve installation space for the wall panel molding components, improving the ease of installation.

[0036] In this embodiment, the first raised portion and the second raised portion have the same vertical height. The first raised portion connects the wall connection portion and the limiting groove, and its height is equal to the thickness of the upper part of the decorative panel groove of the corresponding decorative panel, thereby making the limiting groove parallel to the decorative panel groove at the end of the decorative panel. Similarly, the second raised portion has the same function as the first raised portion. The second raised portion is designed with an inclined structure, which can reserve installation space for splicing and installing the first wall panel molding line component and the decorative panel, improving installation convenience.

[0037] like Figure 4 As shown, the first wall panel molding component 300 is spliced ​​and installed to the decorative panel 702 via an I-beam connector 200. The I-beam connector has a left insertion portion and a right insertion portion located at the bottom, and a connecting portion with a nail groove located at the upper right. The left insertion portion is inserted into the mounting groove of the first wall panel molding component 300, and the right insertion portion is inserted into the decorative panel groove of the decorative panel 702.

[0038] In this embodiment, the second wall panel molding line component 500 can have the same structure as the first wall panel molding line component 300. In use, the first wall panel molding line component 300 is rotated 180 degrees in the plane of the wall to obtain the second wall panel molding line component 500.

[0039] like Figure 4 As shown, one end of the limiting member 400 is inserted into the limiting groove of the first wall panel molding component 300, and the other end is inserted into the limiting groove of the second wall panel molding component 500. When assembling the first wall panel molding component and the second wall panel molding component, screws 801 are used to pass through the first wall panel molding component 300 and the limiting member 400 to fix the first wall panel molding component 300 and the limiting member 400, and screws 802 are used to pass through the second wall panel molding component 500 and the limiting member 400 to fix the second wall panel molding component 500 and the limiting member 400.

[0040] After using limiting components to fix the first wall panel molding line component 300 and the second wall panel molding line component 500 into a whole, this whole is spliced ​​with the decorative panel to achieve the assembly of the wall surface. For example... Figure 4As shown, when splicing the entire assembly with the decorative panel, the I-beam connector 200 is fixedly connected to the keel 600 by screws 803 passing through the nail slots. The decorative panel 702 is inserted into the right insertion portion of the I-beam connector 200, and the mounting slot of the first wall panel molding component 300 is inserted into the left insertion portion of the I-beam connector 200. The decorative panel 701 and the second wall panel molding component 500 are spliced ​​in the same manner.

[0041] like Figure 3 and Figure 4 As shown, the thickness of the limiting member 400 is equal to the width of the wall of the limiting groove 320, and also equal to the width of the wall of the limiting groove 520. The groove wall width refers to the vertical distance between the two groove walls of the limiting groove. This design allows the two to be stably connected, increasing the installation stability of the first wall panel molding component, the second wall panel molding component, and the limiting member.

[0042] The limiting components, first wall panel molding elements, and second wall panel molding elements that make up the wall panel system can be prefabricated in the factory. Each component can be quickly assembled on-site according to the site dimensions, avoiding the problem of factory-customized dimensions not matching the site. This combines the advantages of standardized factory production with flexibility, which is beneficial for the production and installation of wall panel products.

[0043] In this embodiment, the wall panel molding assembly can be made of galvanized steel sheet. Specifically, the wall panel molding assembly can be formed by stamping a flat galvanized steel sheet using a plastic mold. After forming the basic structure of the wall panel molding assembly, holes can be punched in the first wall panel molding component and the wall connection portion of the first wall panel molding component. Punching involves creating various hole-shaped patterns on the steel sheet to accommodate the need for screws. These hole-shaped patterns are called mounting holes. The mounting holes can be circular or elliptical.

[0044] In some embodiments, the outer surface of the styling part is provided with a decorative layer. The decorative layer may be sprayed or patterned with personalized designs or patterns, or it may be sprayed or patterned with a color that is the same as or compatible with the color of the decorative panel, so as to enhance the decorative effect of the styling part.

[0045] The wall panel molding component provided in this embodiment can be easily spliced ​​together by using a limiting member to connect two symmetrical wall panel molding components by designing a limiting groove for the wall panel molding component. By designing an installation groove for the wall panel molding component, the wall panel molding component can be inserted into a connector used for installing decorative panels, thereby making it relatively easy to splice the wall panel molding component with the wall decorative panel. By designing the molding part of the wall panel molding component, the wall panel molding component has a high aesthetic appeal.

[0046] like Figure 4As shown in the embodiments of this disclosure, the wall panel system includes a decorative panel, connectors, and wall panel molding line components as described above. The first and second wall panel molding line components of the wall panel molding line components are spliced ​​together by limiting members. The connectors can be I-beam connectors with insertion parts. The end of the decorative panel has a decorative panel groove. The decorative panel is fixedly connected to the connectors through the decorative panel groove and the insertion part. The first and second wall panel molding line components are fixedly connected to the connectors through mounting grooves and insertion parts, respectively.

[0047] like Figure 4 In the wall panel system shown, the keel 600 is fixedly connected to the structural wall 900 by screws 804. The first and second wall panel decorative line components are placed symmetrically adjacent to each other. One end of the limiting member is inserted into the limiting groove of the first wall panel decorative line component, and the other end is inserted into the limiting groove of the second wall panel decorative line component. Screws 801 fix the first wall panel decorative line component 300 to the limiting member 400, and screws 802 fix the second wall panel decorative line component 500 to the limiting member 400.

[0048] like Figure 4 As shown, the first wall panel molding component 300 is fixedly connected to the connector via a mounting groove and the left insertion part of the I-beam connector. The decorative panel 702 is fixedly connected to the I-beam connector via a decorative panel groove and the right insertion part of the I-beam connector, thus achieving the splicing of the first wall panel molding component 300 with the right-side decorative panel. The second wall panel molding component 500 is fixedly connected to the I-beam connector via a mounting groove and the right insertion part of the I-beam connector. The decorative panel 701 is fixedly connected to the I-beam connector via a decorative panel groove and the left insertion part of the I-beam connector, thus achieving the splicing of the second wall panel molding component 500 with the left-side decorative panel.

[0049] like Figure 4 The wall panel molding components, keel, and decorative panels shown are placed horizontally. In practical applications, however, the wall panel molding components, keel, and decorative panels are installed vertically, parallel to each other, as shown below. Figure 4 The positional relationships shown are merely illustrative. In this document, descriptions such as "above a component" are limited to indicating locations such as... Figures 1 to 4 The position of the component shown above is not the actual positional relationship in an application.

[0050] The wall panel system provided in this embodiment adopts the wall panel molding line component as described above. By designing the limiting groove of the wall panel molding line component, two symmetrical wall panel molding line components can be spliced ​​together relatively easily using limiting members. By designing the installation groove of the wall panel molding line component, the wall panel molding line component can be inserted into the connector used for installing the decorative panel, thereby making it relatively easy to splice the wall panel molding line component with the wall decorative panel. By designing the molding part of the wall panel molding line component, the wall panel molding line component and the wall panel system have a high degree of aesthetics.

[0051] The above description is merely a preferred embodiment of this disclosure and is not intended to limit this disclosure. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this disclosure should be included within the scope of protection of this disclosure.

Claims

1. A wall panel molding component, characterized in that, The wall panel molding component includes a first wall panel molding component, a second wall panel molding component, and a limiting component. The first wall panel molding component includes: The wall connection is formed by horizontal extension; The limiting groove has an opening facing left and includes a first groove bottom, a horizontally extending first upper groove wall, and a horizontally extending first lower groove wall. The left end of the first upper groove wall is connected to the left end of the wall connection part through a first raised part. The mounting groove has an opening facing right and includes a second groove bottom, a horizontally extending second upper groove wall, and a horizontally extending second lower groove wall. The right end of the second upper groove wall is connected to the right end of the wall connection part through a second raised part. The fitting portion extends vertically downward from the left end of the first lower groove wall; The shaping part, starting from the lower end of the fitting part, includes an arc-shaped part extending along an arc, and the upper end of the shaping part is connected to the right end of the second lower groove wall through the third raised part; The second wall panel shaped line component is a mirror image symmetrical component of the first wall panel shaped line component. When the first wall panel shaped line component and the second wall panel shaped line component are placed symmetrically adjacent to each other, one end of the limiting component can be inserted into the limiting groove of the first wall panel shaped line component, and the other end can be inserted into the limiting groove of the second wall panel shaped line component.

2. The wall panel molding component according to claim 1, characterized in that, The styling section includes: A semi-circular arc portion is formed by extending to the right along a semi-circle from the lower end of the fitting portion, and the semi-circular arc portion protrudes downward; The long arc portion, connected to the right end of the semi-circular arc portion, includes an arc portion that extends in an arc shape towards the upper right and protrudes towards the upper left.

3. The wall panel molding component according to claim 2, characterized in that, The long arc portion includes a vertical portion extending vertically upward from the right end of the semi-circular arc portion, and an arc portion extending arc-shaped from the upper end of the vertical portion toward the upper right, protruding toward the upper left.

4. The wall panel molding component according to claim 2, characterized in that, The first raised portion extends vertically downward from the left end of the wall connection portion, and the second raised portion extends obliquely downward to the right from the right end of the wall connection portion.

5. The wall panel molding component according to claim 1, characterized in that, The first raised portion and the second raised portion have the same vertical height.

6. The wall panel molding component according to claim 1, characterized in that, The third raised portion is formed by extending vertically upward from the upper end of the shaped portion.

7. The wall panel molding component according to claim 3, characterized in that, The thickness of the limiting member is equal to the width of the wall of the limiting groove.

8. The wall panel molding component according to claim 1, characterized in that, A chamfered structure is provided at the connection between the upper end of the third raised part and the right end of the lower wall of the mounting groove.

9. The wall panel molding component according to claim 2, characterized in that, The outer surface of the shaped part is provided with a decorative layer.

10. A wall panel system, characterized in that, The wall panel system includes a decorative panel, a connector, and a wall panel molding line assembly as described in any one of claims 1 to 9, wherein a first wall panel molding line component and a second wall panel molding line component of the wall panel molding line assembly are spliced ​​together by a limiting member, the connector has a plug-in portion, the end of the decorative panel has a decorative panel groove, the decorative panel is fixedly connected to the connector through the decorative panel groove and the plug-in portion, and the first wall panel molding line component and the second wall panel molding line component are fixedly connected to the connector through an mounting groove and the plug-in portion, respectively.