A wall-floor connection structure for an assembled bathroom

Abstract

The present invention provides a wall-floor connection structure for an assembled bathroom, which relates to the technical field of decoration design. It includes a bottom box, a wall panel, a border member, and a bottom frame member. The bottom box includes a bottom box base plate, a bottom box decorative plate, and an adhesive layer. The border member includes a first vertical plate and a second vertical plate. The lower end of the second vertical plate is connected to the first vertical plate through a connecting plate. The wall panel includes a wall panel base plate and a wall panel decorative plate. The bottom frame member includes a first plate and a second plate. The bottom end of the first plate is connected to the bottom end of the second plate through a horizontal plate. Both the first plate and the second plate are located between the first vertical plate and the second vertical plate, and the bottom end of the horizontal plate is connected to the connecting plate. The structure of the present invention is simple. The connection between the bottom box and the wall panel is effectively completed through the border member and the bottom frame member. It is not easy to leak water at the connection between the bottom box and the wall panel. The assembled installation not only has high installation efficiency, but also can adjust and disassemble the wall panel, which is convenient for installing the wall panel on the whole wall. The overall integrity of the whole bathroom is good.

Description

Technical Field

[0001] The present invention relates to the technical field of decoration design, and in particular, the present invention relates to a wall-floor connection structure for prefabricated bathrooms. Background Art

[0002] Currently, the decoration industry is developing towards industrialized modular installation. Generally speaking, wall and floor decoration are common decoration methods in interior design, which can increase the layering of indoor space and play a role in beautifying the decoration.

[0003] Among them, although the aesthetics of the floor are important, its practicality is more important. There have always been common and frequent water leakage problems in bathrooms. Water leakage not only affects the use of building functions, but more seriously shortens the service life of the roof. As an effective waterproof structure, the waterproof bottom box is becoming more and more popular in actual use. For example, the Chinese patent utility model patent CN211114588U discloses a composite waterproof bottom box, including: a bottom box body, the bottom box body includes a bottom plate and side plates extending circumferentially along the bottom plate, and the bottom plate and the side plates enclose a receiving cavity; a decorative layer, the decorative layer is arranged in the receiving cavity and is attached to the bottom plate; an elastic buffer layer, the elastic buffer layer is arranged outside the receiving cavity and is attached to the side of the bottom plate facing away from the decorative layer. The above utility model provides a composite waterproof bottom box, in which the decorative layer and the bottom box body are an integral structure, which solves the problem of low construction efficiency caused by on-site paving of the decorative layer while meeting the waterproof performance requirements, and the elastic buffer layer can absorb the error of the base surface leveling and effectively avoid damage to the decorative layer.

[0004] Moreover, due to the special environment in the bathroom, there is often a high-humidity and high-temperature environment. Therefore, the bathroom wall panels have high requirements for water leakage prevention and heat preservation. Most wall panels are multi-layer structures, using a base plate to connect to the wall, and the base plate plays a role in waterproofing and heat preservation. Then, a decorative panel is installed on the outer side of the base plate for decoration. For example, the Chinese patent invention patent CN112144784A discloses a wall panel of a modular integral bathroom wall structure, including an outer wall panel: four fixing grooves are symmetrically opened on both sides of the rear surface of the outer wall panel, two first concave grooves are symmetrically opened on both sides of the rear surface of the outer wall panel, four second flanges are integrally formed on both sides of the rear surface of the outer wall panel symmetrically, four wet fire clay columns are symmetrically bonded to both sides of the rear surface of the outer wall panel, and a third concave groove is integrally formed in the middle of the rear surface of the outer wall panel; through the connection structure of the prefabricated wall panel, it can be directly centered and aligned for installation and achieve reverse stroke self-locking in cooperation with the first concave groove, the second flange and the wet fire clay column, which is convenient for workers to install. The moisture-proof pads and moisture-proof boards at specific positions can cooperate to prevent the cement joints from being eroded by water vapor and causing the structure to fail; each outer wall panel can also be quickly positioned and connected through its own rabbet structure, and at the same time provide an effective working position for cement pouring.

[0005] However, the above-mentioned bathroom floor and wall structures still have the following problems: the structures are all complex, and there is no reserved connection and cooperation between the wall and the floor, making it difficult for the edge of the bottom box to be effectively connected to the bottom of the wall panel. There is a gap between the edge of the bottom box and the wall, and it is still easy to leak water. It can only be connected by wet cement method, with low installation efficiency, and the wall panel cannot be adjusted for disassembly and assembly.

[0006] Therefore, in order to solve the above problems, it is necessary for us to design a reasonable and efficient floor drain structure applicable to the prefabricated bathroom bottom box. Summary of the Invention

[0007] The purpose of the present invention is to provide a wall-floor connection structure for prefabricated bathrooms, which has a simple structure. The connection between the bottom box and the wall panel is effectively completed through the border member and the bottom frame member. It is not easy to leak water at the connection between the bottom box and the wall panel. The prefabricated installation not only has high installation efficiency, but also the wall panel can be adjusted for disassembly and assembly, which is convenient for installing the wall panel of the whole wall, and the integrity of the whole bathroom is good.

[0008] To achieve the above object, the present invention is realized by adopting the following technical solutions:

[0009] A wall-floor connection structure for prefabricated bathrooms includes a bottom box, a wall panel, a border member provided on the bottom box, and a bottom frame member provided on the wall panel. The bottom box includes a bottom box substrate, a bottom box decorative plate provided above the bottom box substrate, and an adhesive layer for connecting the bottom box substrate and the bottom box decorative plate. The border member includes a first vertical plate for connecting to the end of the bottom box substrate and a second vertical plate for connecting to the end of the bottom box decorative plate. The lower end of the second vertical plate is connected to the first vertical plate through a connecting plate. The wall panel includes a wall panel substrate and a wall panel decorative plate provided on the side of the wall panel substrate. The bottom frame member includes a first plate for connecting to the side of the wall panel substrate away from the wall panel decorative plate and a second plate for connecting to the side of the wall panel decorative plate away from the wall panel substrate. The bottom end of the first plate is connected to the bottom end of the second plate through a horizontal plate. Both the first plate and the second plate are located between the first vertical plate and the second vertical plate, and the bottom end of the horizontal plate is connected to the connecting plate.

[0010] As a preference of the present invention, the width of the second plate is not less than the width of the first plate. A widened plate is provided on the side of the first plate away from the second plate. The side of the second plate away from the first plate is connected to the second vertical plate, and the side of the widened plate away from the first plate is connected to the first vertical plate.

[0011] As a preference of the present invention, a raised column is provided above the connecting plate. A downward extension plate is provided at the lower end of the widened plate. The downward extension plate is arranged parallel to the first plate, and the distance between the downward extension plate and the first plate is equal to the thickness of the raised column.

[0012] Preferably, a first cavity is provided in the widened plate, a second cavity is provided in the second plate, and a third cavity is provided in the lower extension plate.

[0013] Preferably, a first limiting plate for connecting to the upper side of the bottom box substrate is provided on the first vertical plate, and a second limiting plate for connecting to the lower side of the bottom box decorative plate is provided on the second vertical plate.

[0014] Preferably, one end of the first limiting plate away from the first vertical plate is provided with a first extension plate extending towards the bottom box decorative plate, and one end of the second limiting plate away from the second vertical plate is provided with a second extension plate extending towards the bottom box substrate; the first extension plate is perpendicularly arranged with the first limiting plate, and the second extension plate is perpendicularly arranged with the second limiting plate.

[0015] Preferably, an inclined surface is provided at the upper end of the second vertical plate, such that the height of the end of the inclined surface close to the bottom box decorative plate is equal to the height of the upper side surface of the bottom box decorative plate, and the height of the end of the inclined surface away from the bottom box decorative plate is higher than the height of the end of the inclined surface close to the bottom box decorative plate.

[0016] Preferably, the inclined surface is an arc-shaped inclined surface, such that the inclination degree of the inclined surface becomes larger as it is farther away from the bottom box decorative plate.

[0017] Preferably, a hollow cavity is provided in the protruding column; the adhesive layer is a polyurethane foam member.

[0018] Preferably, the bottom frame member is an integrally formed member, and the frame member is an integrally formed member.

[0019] Preferably, connecting screws for connecting to the wall panel substrate are provided on the first plate, and positioning grooves for facilitating the installation of the connecting screws are provided on the first plate.

[0020] The beneficial effects of the wall-floor connection structure of the prefabricated bathroom of the present invention are as follows: the structure is simple, the connection between the bottom box and the wall panel is effectively completed through the frame member and the bottom frame member, the connection part between the bottom box and the wall panel is not prone to water leakage, the prefabricated installation not only has high installation efficiency, but also can adjust and disassemble the wall panel, which is convenient for installing the wall panel of the whole wall, and the integrity of the whole bathroom is good. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the wall-floor connection structure of the prefabricated bathroom of the present invention;

[0022] Figure 2Schematic diagram of the disassembly of the overall structure of an embodiment of the wall - floor connection structure of an assembled bathroom of the present invention;

[0023] Figure 3 Schematic diagram of the structure of the border member in an embodiment of the wall - floor connection structure of an assembled bathroom of the present invention;

[0024] Figure 4 Schematic diagram of the structure of the bottom frame member in an embodiment of the wall - floor connection structure of an assembled bathroom of the present invention;

[0025] In the figure: 1. Border member, 11. First vertical plate, 111. First limiting plate, 112. First extension plate, 12. Second vertical plate, 121. Second limiting plate, 122. Second extension plate, 123. Inclined surface, 13. Connecting plate, 131. Protruding column, 132. Hollow cavity, 2. Bottom frame member, 21. First plate, 211. Connecting screw, 212. Positioning groove, 22. Second plate, 221. Second cavity, 23. Horizontal plate, 24. Widening plate, 241. First cavity, 242. Lower extension plate, 243. Third cavity, 3. Bottom box, 31. Bottom box base plate, 32. Bottom box decorative plate, 33. Adhesive layer, 4. Wall panel, 41. Wall panel base plate, 42. Wall panel decorative plate. Detailed implementation manners

[0026] The following are specific embodiments of the present invention, which further describe the technical solutions of the present invention, but the present invention is not limited to these embodiments.

[0027] Now, various exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. It should be noted that: unless otherwise specifically stated, the relative arrangements and steps of the modules and steps described in these embodiments do not limit the scope of the present invention.

[0028] At the same time, it should be understood that for the sake of description, the processes in the drawings do not occur separately, but multiple steps intersect with each other.

[0029] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the products of the present invention are usually placed during use. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present invention. In addition, the terms "first", "second", etc. are only used for distinguishing descriptions and cannot be understood as indicating or implying relative importance.

[0030] The following description of at least one exemplary embodiment is merely illustrative and in no way restrictive of the present invention, its applications, or uses.

[0031] Technologies, methods, and systems known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, the technologies, methods, and systems should be regarded as part of the authorized specification.

[0032] Embodiment 1: As Figures 1 to 4 shown, it is merely one of the embodiments of the present invention. A wall - floor connection structure for a prefabricated bathroom includes a bottom box 3, a wall panel 4, a border member 1 provided on the bottom box 3, and a bottom frame member 2 provided on the wall panel 4. The bottom box 3 includes a bottom box base plate 31, a bottom box decorative plate 32 provided above the bottom box base plate 31, and an adhesive layer 33 for connecting the bottom box base plate 31 and the bottom box decorative plate 32. The border member 1 includes a first vertical plate 11 for connecting with the end of the bottom box base plate 31 and a second vertical plate 12 for connecting with the end of the bottom box decorative plate 32. The lower end of the second vertical plate 12 is connected to the first vertical plate 11 through a connecting plate 13. The wall panel 4 includes a wall panel base plate 41 and a wall panel decorative plate 42 provided on the side of the wall panel base plate 41. The bottom frame member 2 includes a first plate 21 for connecting with the side of the wall panel base plate 41 away from the wall panel decorative plate 42 and a second plate 22 for connecting with the side of the wall panel decorative plate 42 away from the wall panel base plate 41. The bottom end of the first plate 21 is connected to the bottom end of the second plate 22 through a horizontal plate 23. Both the first plate 21 and the second plate 22 are located between the first vertical plate 11 and the second vertical plate 12, and the bottom end of the horizontal plate 23 is connected to the connecting plate 13.

[0033] In the present invention, the bottom box 3 is arranged on the floor of the bathroom and has a three - layer structure. The border member 1 is arranged at the edge of the bottom box 3 for connecting with the bathroom boundary. The bathroom boundary includes: walls, cabinets, and steps. Hereinafter, the wall is taken as an example for illustration, so that the border member 1 can be connected to the decorative panel on the wall.

[0034] The wall panel 4 is arranged on the wall of the bathroom to play a role in waterproofing and heat preservation. Among them, the wall panel base plate 41 is a lightweight foamed material board, which is the main body for waterproofing and heat preservation. The wall panel decorative plate 42 is arranged on the side of the wall panel base plate 41 away from the wall to decorate the wall panel base plate 41, and the bottom frame member 2 is arranged at the bottom end of the wall panel 4 for connecting with the border member 1 at the edge of the bottom box 3 of the bathroom floor below the wall panel 4.

[0035] First is the structure of the bottom box 3. The bottom box 3 includes a bottom box base plate 31, a bottom box decorative plate 32 disposed above the bottom box base plate 31, and an adhesive layer 33 for connecting the bottom box base plate 31 and the bottom box decorative plate 32. Here, the bottom box base plate 31 is directly disposed on the civil engineering concrete layer, the bottom box decorative plate 32 is generally a decorative panel with a ceramic tile structure, and the adhesive layer 33 is a polyurethane foam member for fixedly installing the bottom box decorative plate 32 on the bottom box base plate 31.

[0036] Next is the structure of the frame member 1. The frame member 1 includes a first vertical plate 11 for connecting with the end of the bottom box base plate 31 and a second vertical plate 12 for connecting with the end of the bottom box decorative plate 32. A first limiting plate 111 for connecting with the upper side of the bottom box base plate 31 is disposed on the first vertical plate 11, and a second limiting plate 121 for connecting with the lower side of the bottom box decorative plate 32 is disposed on the second vertical plate 12. It is equivalent to that the first vertical plate 11 limits the edge of the bottom box base plate 31, and the second vertical plate 12 limits the edge of the bottom box decorative plate 32, thereby positioning the four sides of the bottom box 3 in the horizontal direction; and the bottom box base plate 31 is buckled under the first limiting plate 111, and the bottom box decorative plate 32 is supported on the upper side of the second limiting plate 121. The first limiting plate 111 and the second limiting plate 121 can position the bottom box base plate 31 and the bottom box decorative plate 32 in the vertical direction, that is, determine the height of the distance between the bottom box base plate 31 and the bottom box decorative plate 32, or it can be understood as determining the thickness of the entire bottom box 3.

[0037] Then is the structure of the bottom frame member 2. The bottom frame member 2 includes a first plate 21 for connecting with the side of the wall panel base plate 41 away from the wall panel decorative plate 42 and a second plate 22 for connecting with the side of the wall panel decorative plate 42 away from the wall panel base plate 41. The bottom end of the first plate 21 is connected to the bottom end of the second plate 22 through a horizontal plate 23; that is to say, the first plate 21 is located on the side of the wall panel base plate 41 close to the wall, the second plate 22 is located on the side of the wall panel decorative plate 42 away from the wall, and the horizontal plate 23 is located at the bottom end of the wall panel 4, so that the first plate 21, the second plate 22 and the horizontal plate 23 form a semi-surrounding structure to cover the lower end of the wall panel 4, and the thickness of the wall panel 4 (the sum of the thicknesses of the wall panel base plate 41 and the wall panel decorative plate 42) is equal to the distance between the first plate 21 and the second plate 22, so that the wall panel 4 can just be inserted between the first plate 21 and the second plate 22 and abut against the horizontal plate 23.

[0038] Then the wall panel 4 does not directly contact the waterproof bottom box of the bathroom floor, but is connected to the frame member 1 through the bottom frame member 2. On the one hand, it can avoid the wear of the wall panel 4 and the bottom box 3, and on the other hand, it is more convenient to perform waterproofing at the bottom frame member 2 to ensure that the connection between the wall panel 4 and the bottom box 3 is not prone to leakage.

[0039] Furthermore, a first extension plate 112 extending towards the bottom box trim plate 32 is provided at one end of the first limiting plate 111 away from the first vertical plate 11, and a second extension plate 122 extending towards the bottom box base plate 31 is provided at one end of the second limiting plate 121 away from the second vertical plate 12. When applying the bonding layer 33 of polyurethane foam material between the bottom box base plate 31 and the bottom box trim plate 32, the first extension plate 112 and the second extension plate 122 can effectively contact the bonding layer 33, making the entire bottom box structure more firm.

[0040] Finally, the lower end of the second vertical plate 12 is connected to the first vertical plate 11 through a connecting plate 13, and the height of the connecting plate 13 is not higher than the height of the bottom box trim plate 32, so that a groove located at the edge of the bottom box 3 is formed by the first vertical plate 11, the second vertical plate 12 and the connecting plate 13, which is convenient for the wall panel to be inserted therein. The distance between the first vertical plate 11 and the second vertical plate 12 is selected according to the thickness of the wall panel, so that the wall panel is more fitting when inserted, avoiding the water seepage and leakage phenomena caused by too large a gap between the wall and the bottom box 3.

[0041] In the present invention, the width of the second plate 22 is not less than the width of the first plate 21, and a widened plate 24 is provided on one side of the first plate 21 away from the second plate 22. That is to say, at the bottom position of the wall panel 4, both sides close to the first plate 21 and the second plate 22 are widened, and the widening specification should be determined according to the specification of the bottom box edge, which can effectively limit the wall panel 4 in the horizontal direction.

[0042] Certainly, a first cavity 241 is provided in the widened plate 24, so that the widened plate 24 has a certain elastic deformation space, and there is a tolerance rate when the bottom end of the wall panel 4 is installed.

[0043] And, a convex column is provided above the connecting plate, and a lower extension plate is provided at the lower end of the widened plate. The lower extension plate is arranged parallel to the first plate, and the distance between the lower extension plate and the first plate is equal to the thickness of the convex column. When the entire bottom frame member 2 is inserted between the first vertical plate 11 and the second vertical plate 12, the convex column 131 can just be inserted between the lower extension plate 242 and the first plate 21. By adopting double plug-in connection, the connection between the bottom frame member 2 and the frame member 1 is more stable.

[0044] Example 2, still as Figures 1 to 4As shown, this is only one embodiment of the present invention. On the basis of Embodiment 1, in a wall-floor connection structure of an assembled bathroom of the present invention, an inclined surface 123 is provided at the upper end of the second vertical plate 12, such that the height of the end of the inclined surface 123 close to the bottom box decorative plate 32 is equal to the height of the upper side of the bottom box decorative plate 32, and the height of the end of the inclined surface 123 far from the bottom box decorative plate 32 is higher than the height of the end of the inclined surface 123 close to the bottom box decorative plate 32.

[0045] In this way, it effectively prevents the accumulated water on the upper side of the bottom box decorative plate 32 from flowing into the space between the first vertical plate 11 and the second vertical plate 12.

[0046] Moreover, the inclined surface 123 is an arc-shaped inclined surface, such that the inclination of the inclined surface 123 becomes larger as it moves away from the bottom box decorative plate 32.

[0047] In addition, the first extension plate 112 is perpendicularly arranged with the first limiting plate 111, and the second extension plate 122 is perpendicularly arranged with the second limiting plate 121, making the connection between the first extension plate 112 and the second extension plate 122 and the bonding layer 33 more stable.

[0048] Similarly, a groove is provided on the lower side of the connecting plate 13, making the lower side of the connecting plate 13 uneven, so that its connection with the bonding layer 33 is more stable.

[0049] In addition, a protruding column 131 is provided above the connecting plate 13, facilitating the snap connection with the wall decorative plate. Of course, a hollow cavity 132 is provided inside the protruding column 131, and the protruding column 131 can be appropriately deformed to better connect with the wall decorative plate.

[0050] Finally, the border member 1 is an integrally formed part.

[0051] Embodiment 3, still as Figures 1 to 4 As shown, this is only one embodiment of the present invention. On the basis of any of the above embodiments, in a wall-floor connection structure of an assembled bathroom of the present invention, connection screws 211 for connecting with the wall board substrate 41 are provided on the first plate 21. When the wall board 4 can just be inserted between the first plate 21 and the second plate 22 and abutted against the horizontal plate 23, the first plate 21 needs to be fixedly connected with the wall board substrate 41 through the connection screws 211; moreover, a positioning groove 212 for facilitating the installation of the connection screws 211 is provided on the first plate 21, facilitating the installation of the connection screws 211 at the positioning groove 212.

[0052] The bottom end of the lower extension plate 242 is flush with the lower side of the horizontal plate 23, that is, the lower ends of the entire bottom frame member 2 are on the same level, facilitating the connection with the bathroom floor.

[0053] Of course, a second cavity 221 is provided in the second plate 22, and a third cavity 243 is provided in the lower extension plate 242, so that the second plate 22 and the lower extension plate 242 also have a certain margin for elastic deformation and a higher installation error tolerance.

[0054] In addition, support bars are provided in the first cavity 241; the first cavity 241 is a horizontally extending long cavity with openings at both ends. Since the widened plate 24 is located behind the entire wall panel 4 and does not need to be decorated, support bars for strengthening the entire bottom frame member can be added at the first cavity 241 to play a role in supporting and fixing.

[0055] Finally, the bottom frame member 2 is an integrally formed part

[0056] The wall-floor connection structure of an assembled bathroom according to the present invention has a simple structure. The connection between the bottom box and the wall panel is effectively completed through the border member and the bottom frame member. It is not easy to leak water at the connection between the bottom box and the wall panel. The assembled installation not only has high installation efficiency, but also can adjust and disassemble the wall panel, which is convenient for installing the wall panel of the entire wall. The integrity of the entire bathroom is good.

[0057] The present invention is not limited to the above specific embodiments, and the present invention can have various changes and modifications. Any modifications, equivalent replacements, improvements, etc. made based on the technical essence of the present invention to the above embodiments shall be included in the protection scope of the present invention.

Claims

1. A wall-floor connection structure for an assembled bathroom, characterized in that: Comprising a bottom box (3), wall panels (4), a border member (1) disposed on the bottom box (3), and a bottom frame member (2) disposed on the wall panels (4), the bottom box (3) includes a bottom box substrate (31), a bottom box decorative panel (32) disposed above the bottom box substrate (31), and an adhesive layer (33) for connecting the bottom box substrate (31) and the bottom box decorative panel (32), the border member (1) includes a first vertical plate (11) for connecting to the end of the bottom box substrate (31) and a second vertical plate (12) for connecting to the end of the bottom box decorative panel (32), the lower end of the second vertical plate (12) is connected to the first vertical plate (11) through a connecting plate (13), the wall panels (4) include a wall panel substrate (41) and a wall panel decorative panel (42) disposed on the side of the wall panel substrate (41), the bottom frame member (2) includes a first plate (21) for connecting to the side of the wall panel substrate (41) away from the wall panel decorative panel (42) and a second plate (22) for connecting to the side of the wall panel decorative panel (42) away from the wall panel substrate (41), the bottom end of the first plate (21) is connected to the bottom end of the second plate (22) through a horizontal plate (23), both the first plate (21) and the second plate (22) are located between the first vertical plate (11) and the second vertical plate (12), and the bottom end of the horizontal plate (23) is connected to the connecting plate (13); the width of the second plate (22) is not less than the width of the first plate (21), and a widened plate (24) is provided on the side of the first plate (21) away from the second plate (22); a protruding column (131) is provided above the connecting plate (13), a lower extension plate (242) is provided at the lower end of the widened plate (24), the lower extension plate (242) is arranged parallel to the first plate (21), and the distance between the lower extension plate (242) and the first plate (21) is equal to the thickness of the protruding column (131); a first cavity (241) is provided inside the widened plate (24), a second cavity (221) is provided inside the second plate (22), and a third cavity (243) is provided inside the lower extension plate (242); a first limiting plate (111) for connecting to the upper side of the bottom box substrate (31) is provided on the first vertical plate (11), and a second limiting plate (121) for connecting to the lower side of the bottom box decorative panel (32) is provided on the second vertical plate (12); one end of the first limiting plate (111) away from the first vertical plate (11) is provided with a first extension plate (112) extending towards the bottom box decorative panel (32), and one end of the second limiting plate (121) away from the second vertical plate (12) is provided with a second extension plate (122) extending towards the bottom box substrate (31).

2. The wall and floor connection structure of a prefabricated bathroom according to claim 1, characterized in that: The upper end of the second vertical plate (12) is provided with an inclined surface (123), such that the height of one end of the inclined surface (123) close to the bottom box decorative plate (32) is equal to the height of the upper side surface of the bottom box decorative plate (32), and the height of one end of the inclined surface (123) far from the bottom box decorative plate (32) is higher than the height of one end of the inclined surface (123) close to the bottom box decorative plate (32).

3. The wall and floor connection structure of an assembled bathroom according to claim 2, characterized in that: The inclined surface (123) is an arc-shaped inclined surface, such that the inclination of the inclined surface (123) becomes larger as it is farther away from the bottom box decorative plate (32).

4. The wall and floor connection structure of a prefabricated bathroom according to claim 1, characterized in that: The adhesive layer (33) is a polyurethane foam member.

5. The wall-floor connection structure of a prefabricated bathroom according to claim 1, characterized in that: The frame member (1) and the bottom frame member (2) are both integrally formed members.

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