JP7118358B2 - Bathroom washroom floor structure - Google Patents

Description

The present invention relates to a bathroom washroom floor structure.

In the bathroom washroom floor structure, a thermoplastic foam resin floor material (base material) is placed on a steel deck plate or on a sandwich panel that is reinforced by sandwiching a resin plate between two steel plates. structure is known. Deck plates and sandwich panels are fixed on a steel frame body. The frame body has an outer frame, support legs, and the like, and is installed on the building skeleton via the support legs.

In such bathroom washroom floor structures, work openings (inspection openings) are provided in deck plates and sandwich panels, and support leg adjustments (floor level adjustment) are performed through these openings. At this time, the lower frame body is covered with a deck plate or a sandwich panel in areas other than the work opening. Therefore, it is difficult to visually recognize a wide range below (back side) of the frame body.

On the other hand, if the thermoplastic foam resin floor material is placed directly on the lattice-shaped frame body without installing a deck plate or sandwich panel, it will be difficult for a person to stand on the floor of the bathroom wash area. Due to the load, the floor material sinks greatly in the gaps between the lattices, making it uncomfortable to walk on, and there is a possibility that the drainage slope required for the floor of the bathroom washing area cannot be properly maintained.

Therefore, for example, in Patent Document 1, a structure in which the grid spacing of the frame body is narrowed to 7 cm or less and a floor material made of thermoplastic foamed resin is supported by the frame body without providing a deck plate or a sandwich panel is studied. there is

However, in the structure of Patent Document 1, although the visibility below the frame body can be ensured, since the grid spacing is narrow, it is difficult for the builder's body and even his arms to enter. Therefore, even if it could be visually recognized, it was difficult to work through the lattice, and there was still room for consideration in terms of workability.

JP 2015-068018 A

The present invention has been made based on the recognition of such problems, and has improved the workability while suppressing the downward sinking of the thermoplastic foam resin floor material due to the load applied to the floor of the washing area. An object of the present invention is to provide a bathroom washing space floor structure.

A first invention has a floor material made of a thermoplastic foamed resin, and a surface material provided on the floor material to form the surface of the floor of the washing place, and the floor material extends downward toward a drain port. It has a floor body with a sloped drainage slope formed on the surface, a metal outer frame, a metal grid part that partitions the inside of the outer frame in a grid shape, and height-adjustable support legs. a frame body that supports the floor body from below; and a support body that is installed below the floor body and above the frame body without being directly fixed to the floor body and the frame body. A bathroom washing space floor structure characterized by comprising:

According to this bathroom wash area floor structure, the support is provided below the floor body and above the frame body, so that the floor surface formed of the thermoplastic foamed resin is above the frame body with a wide grid interval of the grid portion. Even when the material is arranged, it is possible to prevent the floor material from sinking greatly in the gap between the lattices due to the load when a person stands on the floor of the bathroom wash area. In addition, it is not necessary to provide the frame body with grids or the like with narrow intervals, thereby ensuring visibility under the frame body and facilitating adjustment of the support legs. Therefore, it improves workability while solving the problem of uncomfortable walking due to the floor material sinking greatly into the gaps between the lattices, and the problem of not being able to properly maintain the drainage slope required for the floor of the bathroom washing area. can be made In addition, since the supports that suppress the sinking of the floor material are installed without being directly fixed to the floor body and the frame body, the floor body and supports must be lifted separately during construction. It is possible to work, and the workability can be further improved.

A second aspect of the invention is the floor structure of the bathroom washing area according to the first aspect, wherein the thickness of the support is smaller than the thickness of the floor body.

According to this bathroom washing space floor structure, it is possible to prevent the floor surface of the washing space floor from becoming higher than necessary due to the presence of the support, and the bathroom unit can be installed in a state with fewer restrictions.

In a third invention based on the second invention, the support includes a main body portion which is installed below the floor body and above the frame body and supports the floor body, and a central portion of the main body portion which sinks. and a sinking suppressing portion that suppresses the sinking.

If the support is installed without directly fixing it to the floor body and frame, the thin support may bend and sink due to the load when a person stands on the bathroom floor. be. On the other hand, according to this bathroom wash area floor structure, since the sinking of the support itself can be suppressed by the sinking suppressing portion, it is possible to prevent the floor material from sinking significantly in the gaps between the lattices. It can be suppressed more reliably.

In a fourth aspect based on the third aspect, the sinking suppressing portion restricts horizontal movement of the main body portion by engaging with at least one of the floor body and the frame body, The floor structure of the bathroom washroom is characterized by suppressing sinking of the central portion of the main body.

According to this bathroom washroom floor structure, it is possible to further suppress the sinking of the support itself, so that it is possible to more reliably suppress the large sinking of the floor material in the gaps between the lattices.

According to the present invention, it is possible to provide a floor structure of a bathroom wash area that is more easy to install while suppressing the downward sinking of the thermoplastic foamed resin floor material due to the load applied to the floor of the wash area.

1 is a perspective view schematically showing a bathroom unit according to an embodiment; FIG. Fig. 3 is a perspective view schematically showing the floor structure of the washing area of the bathroom unit according to the embodiment; 3(a) and 3(b) are cross-sectional views schematically showing the floor structure of the washing area of the bathroom unit according to the embodiment. It is a sectional view showing typically a modification of a washing place floor structure of a bathroom unit concerning an embodiment.

Hereinafter, embodiments will be described with reference to the drawings. In addition, in each drawing, the same reference numerals are given to the same constituent elements, and detailed description thereof will be omitted as appropriate.
FIG. 1 is a perspective view schematically showing the bathroom unit according to the embodiment.
As shown in FIG. 1, the bathroom unit 2 includes a washing space floor 10, a bathtub 60, and wall panels 71a-71f.

Support legs 61 are provided in the vicinity of the four corners on the back surface of the bottom of the bathtub 60 , and the bathtub 60 is installed on a bathroom installation surface (for example, the floor of a building) 100 via the support legs 61 . A bolt portion is provided on the tip side (lower end side) of the support leg 61, and the height of the support leg 61 can be adjusted by rotating the bolt portion.

A washroom floor 10 is installed at the bottom of the space beside the bathtub 60. - 特許庁The surface 15a of the washing place floor 10 has waterproofness to prevent water from leaking out of the bathroom. In the specification of the present application, "water" includes not only cold water but also heated hot water.

A drainage pipe 62 is provided in the vicinity of the boundary with the bathtub 60 on the back side (lower side) of the floor 10 of the washing area. In the washing space floor 10, for example, in the vicinity of the boundary with the bathtub 60, a drain port communicating with the drain pipe 62 (closed by the detachable lid 63 in FIG. 1) is formed. The part where the drain is provided is recessed, and the surface 15a of the floor 10 of the washing place is provided with a drain slope inclined downward toward the drain. A drain port (not shown) provided at the bottom of the bathtub 60 is also connected to the drain pipe 62 .

Wall panels 71a to 71c are installed on the rim of the bathtub 60, as indicated by the two-dot chain line in FIG. Wall panels 71d to 71f are installed on the peripheral edge of the floor 10 of the washing space. A door is attached to the wall panel 71f via a door attachment frame (not shown).

A bath apron 67 is provided at the boundary between the bathtub 60 and the washing floor 10 to cover the side of the bathtub 60 on the washing floor 10 side. Depending on the structure of the bathtub 60, the bath apron 67 may not be provided.

A small panel 65b is provided between one longitudinal end of the bath apron 67 and the wall panel 71d. A small panel 65a is provided between the other longitudinal end of the bath apron 67 and the wall panel 71f. The small panels 65a and 65b are provided as required and can be omitted.

FIG. 2 is a perspective view schematically showing the floor structure of the washing area of the bathroom unit according to the embodiment.
3(a) and 3(b) are cross-sectional views schematically showing the floor structure of the washing area of the bathroom unit according to the embodiment.
As shown in FIGS. 2, 3(a), and 3(b), the washing floor 10 includes a floor body 15, a frame 30, and a support 50. As shown in FIG. The floor body 15 has a floor surface material 11 , a cushion layer 12 and a surface material 13 . The floor material 11, the cushion layer 12, and the surface material 13 are all made of resin.

The floor surface material 11 of the floor body 15 is placed on the frame body 30 and supported by the frame body 30 . The floor member 11 is formed in a shallow vessel shape (bread shape) with a peripheral portion bent upward.

The floor material 11 is made of thermoplastic foamed resin. Examples of thermoplastic foamed resins include foamed polypropylene, foamed polystyrene, foamed polyethylene, and foamed polyurethane. In this embodiment, expanded polypropylene is used as an example.

The floor member 11 is formed with an opening 21 for a drain port. A portion where the opening 21 is provided is formed in a concave shape. In addition, the surface of the floor member 11 is formed with a drainage slope that is inclined downward toward the opening 21 .

The surface material 13 is provided on the floor material 11 with the cushion layer 12 interposed therebetween. The cushion layer 12 is provided between the floor material 11 and the surface material 13 . The elasticity of the cushion layer 12 is higher than the elasticity of the floor material 11 and the surface material 13 . The cushion layer 12 is formed with an opening 22 for a drainage port.

The cushion layer 12 gives the user a feeling of soft floor surface. As the material of the cushion layer 12, for example, a soft material such as foamed polyurethane is used. By changing the hardness (softness) of the cushion layer 12, the hardness (softness) of the floor surface can be changed. Incidentally, the cushion layer 12 is provided as necessary and can be omitted.

The surface material 13 covers the upper surface of the floor material 11 and the cushion layer 12, and forms the surface 15a of the floor main body 15 (washing place floor 10). The surface material 13 gives the surface 15a of the floor body 15 an appearance design property and waterproofness.

As the material of the surface material 13, a soft resin sheet material having waterproofness and flexibility is used. The surface of the surface material 13 may be subjected to uneven processing or a pattern in order to improve the design and drainage of the surface 15 a of the floor body 15 .

The surface material 13 is formed with an opening 23 for a drain port. Moreover, the surface of the surface material 13 is formed with a drainage slope that is inclined downward toward the opening 23 . Due to the drainage gradient of the floor material 11 and the drainage gradient of the surface material 13 , a drainage gradient inclined downward toward the drainage port is formed on the surface 15 a of the floor body 15 .

The frame body 30 supports the floor body 15 from below. The frame body 30 has a metal outer frame 31 , a metal lattice portion 32 , and metal support legs 33 . The outer frame 31 and the grid portion 32 are formed by combining steel materials, for example, and have sufficiently higher strength than the floor body 15 formed of resin.

The outer frame 31 has four frames 31a-31d. The four frames 31a to 31d are combined in a rectangular shape to form the outer shape (outline) of the outer frame 31. As shown in FIG. The frames 31a and 31b extend parallel, and the frames 31c and 31d extend parallel. The area of the square area formed by the four frames 31a to 31d is substantially the same as the area of the square area formed by the floor body 15. As shown in FIG.

The length of the frames 31a, 31b is longer than the length of the frames 31c, 31d. The outer frame 31 has, for example, a rectangular shape when viewed from above. The frames 31a, 31b extend in the first horizontal direction HD1. The frames 31c and 31d extend in a second horizontal direction HD2 orthogonal to the first horizontal direction HD1. The first horizontal direction HD<b>1 is, for example, the longitudinal direction of the rectangular outer frame 31 , and the second horizontal direction HD<b>2 is, for example, the lateral direction of the rectangular outer frame 31 . The first horizontal direction HD1 is, in other words, the direction orthogonal to the direction in which the floor 10 and the bathtub 60 are aligned, and the second horizontal direction HD2 is, in other words, the direction in which the floor 10 and the bathtub 60 are aligned. parallel direction.

The grid portion 32 partitions the inner side of the outer frame 31 in a grid pattern. The lattice portion 32 suppresses bending of the floor body 15 by supporting a portion of the floor body 15 inside the outer frame 31 , for example. By providing the lattice portion 32 in this manner, the floor body 15 can be more appropriately supported by the frame body 30 .

The grid portion 32 has, for example, a plurality of first extension portions 41 and a plurality of second extension portions 42 . Further, the lattice portion 32 is provided with a plate in which an opening 34 for a drain is formed. Each first extending portion 41 extends in the first horizontal direction HD1 and is arranged in the second horizontal direction HD2. Each second extending portion 42 extends in the second horizontal direction HD2 and is aligned in the first horizontal direction HD1. Thereby, the grid portion 32 partitions the inner side of the outer frame 31 so that a plurality of rectangular gaps are arranged in the first horizontal direction HD1 and the second horizontal direction HD2. The interval PT1 of some of the multiple first extension portions 41 is, for example, 14 cm or more. Also, the interval PT2 of some of the plurality of second extension portions 42 is, for example, 14 cm or more.

A part 41a of the plurality of first extensions 41 is provided between the frame 31c and the frame 31d. Another part 41 b of the plurality of first extensions 41 is provided between the second extensions 42 . In this way, the extension may extend entirely between the frames of the outer frame 31 or may extend only partially between the frames of the outer frame 31 .

However, the configuration of the lattice portion 32 is not limited to the above. The grid portion 32 may have, for example, only a plurality of first extensions 41 or may have only a plurality of second extensions 42 . Also, the extending direction of the plurality of extending portions may be different from the first horizontal direction HD1 and the second horizontal direction HD2. The grid portion 32 may have any configuration that partitions the inner side of the outer frame 31 in a grid pattern and can appropriately support the floor body 15 .

The frame body 30 has, for example, four support legs 33 provided corresponding to the four corners of the rectangular outer frame 31 . Each support leg 33 is provided on the lower surface of the lattice portion 32 . Each support leg 33 extends downward (installation surface side) from the lower surface of the lattice portion 32 . Each support leg 33 may be provided on the lower surface of the outer frame 31 .

The frame body 30 is installed on the installation surface 100 via each support leg 33 . A bolt portion is provided on the tip side (lower end side) of each support leg 33, and the height of each support leg 33 can be adjusted by rotating the bolt portion. By adjusting the height of each support leg 33, the installation height and horizontality of the floor body 15 supported on the frame body 30 are adjusted.

The support 50 is installed below the floor body 15 and above the frame body 30 without being directly fixed to the floor body 15 and the frame body 30 . In other words, the support 50 is provided between the floor body 15 and the frame body 30 . The support 50 supports the floor body 15 from below and suppresses the floor body 15 from sinking into the gaps between the grids of the grid portion 32 . In the present invention, the expression that the support 50 is "directly fixed" to the floor body 15 or the frame 30 means that the support 50 is fixed to the floor body 15 or the frame 30 by screws. , and fixed by adhesive or the like. On the other hand, in the present invention, the expression that the support 50 is "not directly fixed" to the floor body 15 or the frame 30 means that the support 50 is "indirectly fixed" to the floor body 15 or the frame 30. “fixed only to” is also included in the definition. For example, the definition includes the support body 50 fitted to the floor body 15 or the frame body 30 .

The support body 50 has, for example, a main body portion 52 and a subduction suppressing portion 54 . The body portion 52 is installed below the floor body 15 and above the frame body 30 to support the floor body 15 . The planar shape (shape viewed from above) of the main body portion 52 corresponds to the planar shape of the frame body 30 . The planar shape of the main body portion 52 is substantially the same as the planar shape of the frame body 30, for example. The planar shape of the main body portion 52 is, for example, a rectangular shape corresponding to the planar shape of the frame body 30 . The main body portion 52 has, for example, a substantially rectangular flat plate shape corresponding to the planar shape of the frame body 30 .

The configuration of the body portion 52 is not limited to a flat plate shape, and may be, for example, a lattice configuration like the frame body 30 . However, when the main body portion 52 is formed in a lattice shape, it is preferable that the interval between the lattices is 10 cm or less. As a result, the lattice spacing can be made smaller than the size of the feet of a person of age or older who can walk on two legs. Therefore, even if a person stands on the floor 10 of the washing area and a load is applied, the load from the soles of the feet can be received by the frame body 30 and the support body 50, so that the body does not bend greatly. Here, the grid spacing represents the maximum diameter of a circle that can fit within the gap between the grids.

Considering the size of children's feet, the grid spacing is more preferably 7 cm or less. However, in the washing area floor 10, even if the grid spacing is set in the range of 7 cm to 10 cm by providing the support 50, the load of a relatively light child with a foot size of about 7 cm may cause the floor material to be damaged. 11 can be suppressed from sinking significantly.

The thickness t1 of the support 50 is smaller than the thickness t2 of the floor body 15 (see FIG. 3(a)). More specifically, the thickness t<b>1 of the body portion 52 is smaller than the thickness t<b>2 of the floor body 15 . For example, the thickness t1 of the body portion 52 is smaller than the minimum thickness t2 of the floor body 15 having a drainage slope. The body portion 52 has higher rigidity than the floor surface material 11 . The main body 52 is made of, for example, a metal material such as aluminum, stainless steel, or iron, or a hard resin material such as FRP. Thereby, the body part 52 suppresses the sinking of the floor material 11 .

The body portion 52 has an opening 56 for drainage. The frame body 30, the support body 50, the floor material 11, the cushion layer 12 and the surface material 13 are stacked with their respective openings 21, 22, 23, 34 and 56 aligned. Inside each opening 21 , 22 , 23 , 34 , 56 a drainage pit is provided. The drainage pit is made of resin and has impermeability. A drainage port is provided inside the drainage pit. This drain port is connected to the drain pipe 62 . As a result, the water flowing on the surface 15a of the floor body 15 (washing place floor 10) is drained to the drain pipe 62 via the drain pit or the like.

The sinking suppressing portion 54 suppresses sinking of the central portion of the body portion 52 . The support 50 has, for example, a pair of sinking suppressing portions 54 provided at both longitudinal ends of a rectangular body portion 52 . In other words, the subduction suppressing portions 54 are provided at both ends of the main body portion 52 in the first horizontal direction HD1. Each sinking suppressing portion 54 suppresses sinking of the central portion of the body portion 52 by restricting movement of the body portion 52 in the horizontal direction (first horizontal direction HD1) by engaging with the frame body 30. do.

One sinking suppressing portion 54 extends downward from one end of the body portion 52 and engages with the outer end of the frame 31 c of the outer frame 31 . The other sinking suppressing portion 54 extends downward from the other end of the main body portion 52 and engages with the outer end of the frame 31 d of the outer frame 31 . As a result, as shown in FIG. 3B, when the body portion 52 tries to sink downward due to the load of a person sitting on the floor 10 of the washing area, each sinking suppressing portion 54 and the frame 31c , 31d, the main body 52 is stretched (both ends of the main body 52 are stretched in the horizontal direction). As a result, the sinking of the center portion of the main body portion 52 can be suppressed by the engagement between the sinking suppressing portions 54 and the frame body 30 .

Thus, the support 50 is not directly fixed to the floor body 15 and the frame 30 by screwing, bonding, or the like. The state in which it is not directly fixed is, for example, a state in which it can be easily attached to and detached from the floor body 15 and the frame body 30 without using a tool or the like. For example, the support 50 is just placed on the frame 30 and the floor body 15 is just placed on the support 50 . The support body 50 can be attached to and detached from the floor body 15 and the frame body 30 .

However, when the bathroom unit 2 is assembled, the support 50 is, for example, a tightening flange (a connecting member between the drain pit and the drain pipe 62) provided at the drain port of the floor surface member 11 and the floor body 15. may be indirectly fixed to the floor body 15 or the frame body 30 via the . At least at the stage of construction of the floor body 15 and the frame body 30, the support body 50 is detachable from the floor body 15 and the frame body 30 without being fixed.

Each subduction suppressing portion 54 is provided integrally with the main body portion 52 . Each subduction suppressing portion 54 is formed, for example, by integral molding with the main body portion 52 . Each sinking suppressing portion 54 may be a member separate from the main body portion 52 and fixed to the main body portion 52 by screwing, adhesion, or the like.

As described above, according to the washing space floor 10 (bathroom washing space floor structure) according to the present embodiment, the support member 50 is provided below the floor body 15 and above the frame member 30, so that the lattice portion 32 is Even when the floor member 11 made of a thermoplastic foam resin is arranged above the frame body 30 with wide grid spacing, the load when a person stands on the floor 10 of the washing area causes the floor to be greatly damaged in the gaps between the grids. It is possible to suppress sinking of the face material 11 .

In addition, it is not necessary to provide the frame body 30 with a narrow grid portion 32 or the like, so that the visibility under the frame body 30 can be ensured and the support legs 33 can be easily adjusted. For example, as described above, the interval PT1 between some of the plurality of first extension portions 41 and the interval PT2 between some of the plurality of second extension portions 42 can be set to 14 cm or more. This makes it easier for the builder's arm or the like to be put under the frame body 30, thereby further improving workability.

Therefore, while solving the problem that the floor surface material 11 sinks greatly into the gap between the lattices, which makes walking uncomfortable, and the problem that the drainage gradient required for the floor 10 of the washing place cannot be properly maintained, workability is improved. can be improved. In addition, since the support 50 that suppresses the sinking of the floor surface material 11 is installed without being directly fixed to the floor body 15 and the frame body 30, the floor body 15 and the support are installed at the time of construction. 50 can be separately lifted and worked, and workability can be further improved.

Further, in the washing place floor 10, the thickness t1 of the support 50 is smaller than the thickness t2 of the floor main body 15. - 特許庁As a result, it is possible to prevent the floor surface of the floor 10 from becoming higher than necessary due to the presence of the support 50, and the bathroom unit 2 can be installed in a state with fewer restrictions.

If the support 50 is installed without being directly fixed to the floor body 15 and the frame body 30, the thin support 50 will bend and sink due to the load when a person stands on the floor 10 of the washing area. It may get lost. On the other hand, in the washing place floor 10, the sinking of the support body 50 itself can be suppressed by the sinking suppressing portion 54, so that the sinking of the floor material 11 in the gaps between the lattices can be suppressed. can be reliably suppressed.

In addition, in the washing space floor 10, the sinking suppressing portion 54 engages with at least one of the floor body 15 and the frame body 30 to restrict the movement of the body portion 52 in the horizontal direction. Suppress subduction of parts. As a result, the subsidence of the support body 50 itself can be further suppressed, so that the large subsidence of the floor material 11 in the gaps between the lattices can be suppressed more reliably.

FIG. 4 is a cross-sectional view schematically showing a modification of the floor structure of the washing area of the bathroom unit according to the embodiment.
It should be noted that the same reference numerals are given to the elements that are substantially the same in terms of function and configuration as those of the above-described embodiment, and detailed description thereof will be omitted.
As shown in FIG. 4, in the floor 10a of the washing area, the sinking suppressing portion 54 extends upward and engages with the floor body 15 to suppress sinking of the body portion 52. As shown in FIG. In this manner, the sinking suppressing portion 54 may be configured to engage with at least one of the floor body 15 and the frame body 30 .

The sinking suppressing portion 54 that suppresses sinking of the main body portion 52 by engaging with at least one of the floor body 15 and the frame body 30 is arranged outside the central region of at least one of the floor body 15 and the frame body 30, for example. It is provided at a plurality of locations in the located end region. The central area is, for example, an area within a radius of 300 mm from the intersection of diagonal lines of the floor body 15 or the frame body 30 .

In addition, the structure of the subduction suppression part 54 is not limited to the above. The sinking suppressing portion 54 may have, for example, a rod-like (frame-like) configuration that extends horizontally across the main body portion 52 and suppresses sinking of the main body portion 52 by reinforcing the main body portion 52 . Thus, the structure of the subduction suppressing portion 54 is not limited to a structure that suppresses subduction of the main body portion 52 by engagement, and may be any structure that can appropriately suppress subduction of the main body portion 52. . Further, if the main body portion 52 has sufficient strength, the subduction suppressing portion 54 may be omitted. The sinking suppressing portion 54 is provided as necessary and can be omitted.

While several embodiments of the invention have been described, these embodiments have been presented by way of example and are not intended to limit the scope of the invention. These novel embodiments can be implemented in various other forms, and various omissions, replacements, and modifications can be made without departing from the scope of the invention. These embodiments and modifications thereof are included in the scope and gist of the invention, and are included in the scope of the invention described in the claims and equivalents thereof.

2 bathroom unit 10, 10a washing place floor 11 floor surface material 12 cushion layer 13 surface material 15 floor body 15a surface 21 opening 22 opening 23 opening 30 frame body 31 outer frame 31a to 31d Frame 32 Lattice Part 33 Support Leg 34 Opening 41 First Extension 42 Second Extension 50 Support 52 Main Body 54 Sinking Suppression Part 56 Opening 60 Bathtub 61 Support leg 62 Drain pipe 63 Lid 65a Small panel 65b Small panel 67 Bath apron 71a-71f Wall panel 100 Installation surface

Claims (2)

A floor material formed of a thermoplastic foamed resin, and a surface material provided on the floor material and forming a surface of the floor of the washing space, the surface having a drainage slope sloping downward toward the drain outlet. a floor body formed in
a frame body that has a metal outer frame, a metal lattice portion that partitions the inner side of the outer frame in a grid pattern, and height-adjustable support legs, and that supports the floor body from below;
a support installed below the floor body and above the frame body without being directly fixed to the floor body and the frame body;
with
the thickness of the support is smaller than the thickness of the floor body;
The support body has a body portion that is installed below the floor body and above the frame body and supports the floor body, and a sinking suppressing portion that suppresses sinking of a central portion of the body portion. A bathroom washroom floor structure characterized by: The sinking suppressing portion restricts the center portion of the main body from sinking by restricting horizontal movement of the main body by engaging with at least one of the floor body and the frame body. The floor structure of the bathroom wash area according to claim 1 , characterized in that:

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