JPH08120817A - Upstair unit-bath installation type bathroom underfloor structure - Google Patents

Abstract

PURPOSE: To go in and out to a dressing-room and a bathroom easily by properly arranging a dressing-room floor continuing to the upstair unit-bath installation type bathroom and a general floor at the same level. CONSTITUTION: A bath-holder steel-framed frame 17 formed in a fence shape by conforming the external dimensions L of depth and width to the internal dimensions of H-steel beams 12, 13 surrounding a bathroom underfloor section is joined with the bases of the H-steel beams 12, 13. A bathtub 28 and a bathroom floor material 29 are laid into a recessed section, in which the bath-holder steel-framed frame 17 is used as a bottom and which is surrounded by the H-steel beams 12, 13. A drain pipe 32 continued from the bathtub 28 and the bathroom floor material 29 is led out directly to the underfloor section 58 from the side face of the recessed section. Accordingly, the levels of the bathtub 28 and the bathroom floor material 29 are lowered by the thickness sections (beam components) of the H-steel frames 12, 13, and the drain pipe 32 may not be led out to the dressing-room side, thus properly arranging a dressing-room floor continuing to a bathroom 14 and general floors at the same level.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION In the present invention, a wall surface is constituted by a wall panel 11 whose width is standardized, and a space W between floor beams 12 and 13 is standardized according to the width of the wall panel 11.
The present invention relates to an underfloor structure of a unit bath installation type bathroom 14 on the upper floor, in which 13 is made of H-shaped steel and the underfloor periphery is surrounded by H-shaped steel beams 12 and 13.

[0002]

2. Description of the Related Art As shown in FIG. 10, a wall is constituted by a wall panel 11 having a standardized width, and a floor beam 12.
3 is standardized according to the width of the wall panel 11, and the floor beams 12 and 13 are made of H-shaped steel. A floor base material 48 is laid over the beam 13, and a bath 28 and a bathroom material 29 are placed on the floor base material 48 via leg bases 30, and the periphery thereof is surrounded by a required wall panel 11. The bathroom 14 is configured.

Drainage holes 33.3 of the bathtub 28 and bathroom flooring 29
The drain pipe 32 continuing from 4 is laid in the gap 31 between the floor base material 48 constituted by the leg stand 30 and the bathtub 28 and the bathroom floor material 29, and the tip end thereof is the extraction hole 29 opened in the wall panel 11. To the outside, and is projected to a space 58 below the floor base material 48 from an extraction hole 50 formed in the floor base material 48. Normally, an ALC floorboard is used as the floor base material 48.

[0004]

The floor base material 48 is finished by placing a floor material 51 thereon. Therefore, between the finished general floor 52 and the bathroom floor 29, a step corresponding to the height of the leg stand 30 for receiving the bathroom floor material 29 (usually about 1
5 cm) will be made. Further, in general, the sill 54 at the bathroom entrance 53 is about 14 more than the bathroom floor 29 due to drainage.
It will be about cm higher. As a result, the step between the sill 54 and the general floor 52 is 25 cm (the step corresponding to the height of the leg stand 30: about 11.5 cm + the step between the sill 54 and the bathroom floor 29: about 14
cm = 25.5 cm).

Therefore, in the dressing room 55 following the bathroom entrance 54, the floor 56 is set higher than the general floor 52 by about 21.5 cm, and by doing so, the threshold 54 of the bathroom entrance 53 is set.
In addition to reducing the difference in level between the drainage pipe 32 and the floor base material 48, the drainage pipe 32 drawn from the bathroom side and the floor hole 56 in the dressing room are covered with the floor material 56.

However, by doing so, the ceiling of the dressing room 55 becomes relatively lower by the amount that the dressing room floor 56 is higher than the general floor 53 by about 21.5 cm, and the dressing room 55 gives a feeling of pressure. Become. At the same time, the underfloor 57 of the dressing room that houses the drainage pipe 32 pulled out from the bathroom has a height of 2
Since it is an extremely narrow space of less than 1.5 cm, the drain pipe 32
It becomes easy for moisture to accumulate around the. And if there is a step of 21.5 cm between the general floor 52 and the changing room floor 56,
There is some inconvenience when going in and out of the dressing room 55.

[0007]

SUMMARY OF THE INVENTION Therefore, the present invention is directed to a bathtub 28 and a bathroom flooring 2
The drainage pipe 32 of 9 is pulled out directly to the wide space 58 under the floor base material 48 without being pulled out to the changing room side 55, and the changing room floor 5
6 and the general floor 52 can be aligned at the same level, and the bathroom floor 29 is lowered to remove the changing room floor 56 and the bathroom entrance 5.
The first purpose is to make the step between the threshold 3 and the threshold 54 to be about 14 cm as in the conventional case so as to facilitate access to the dressing room 55 and the bathroom 14.

A second object of the present invention is to provide the drain pipe 32 with a gap 3 between the floor base material 48 and the bathtub 28 and bathroom floor material 29.
It is to draw out from 1 directly into the wide space 58 under the floor so that the surroundings of the drain pipe 32 are not covered with moisture.

A third object of the present invention is to avoid having to draw out the extraction holes 49 and 50 for drawing out the drainage pipe 32 on the ALC floor plate 48 which is difficult to make due to the shape limitation of notch processing. It is to be.

[0010]

As shown in FIG. 9, in a unit bath installation type underfloor structure of an upstairs unit bath according to the present invention, (a) a wall surface is constituted by a wall panel 11 having a standardized width. , The distance W between the floor beams 12 and 13 is the wall panel 11.
In the unit bath installation type bathroom 14 on the upper floor, which is standardized according to the width of, the floor beams 12 and 13 are made of H-shaped steel, and the underfloor circumference is surrounded by the H-shaped steel beams 12 and 13.
(B) The outer dimension L of the depth and the width is matched with the inner dimension N of the H-shaped steel beams 12 and 13 enclosing the underfloor of the bathroom, and is framed in a rectangular shape by the shaped steel 15, and the shaped steel 16 is lengthwise and crosswise inside the edge. Bus frame steel frame 17
The bracket 19 attached to the outer side surface 18 around the
The bottom frame 20 of the H-shaped steel beams 12, 13 surrounding the underfloor of the bathroom is joined with bolts and nuts 21 to attach the bus pedestal steel frame 17 to the H-shaped steel beams 12, 13 surrounding the underfloor of the bathroom. ) The side of the H-shaped steel beams 12 and 13 facing the bus frame steel frame 17 and the bus frame steel frame 1
The upper surface of 7 is covered with a bottom surface 20, and a housing-shaped recess 23 is provided under the bathroom floor.
And (d) the protective sheet 2 is formed on the inner surface of the recess 23.
4 is laminated, and (e) a drainage pipe outlet hole 26 is formed from the inner surface of the recess 23, which is constructed by laminating the upper plate 25 of the protective sheet 24, through the H-shaped steels 12 and 13 surrounding the underfloor of the bathroom. Open, (f) a bathtub 28 and a bathroom flooring 29 are placed on the bottom surface 27 of the recess 23 supported by the bus pedestal steel frame 17 via the leg stand 30, and (g) constituted by the leg stand 30. A drain pipe 32 is installed in a gap 31 between the bottom surface 27 of the recess 23 and the bathtub 28 and bathroom floor material 29, and (h)
One end of the drain pipe 32 is recessed from the drain pipe drawing hole 26 to the recess 2
3 and is connected to the drain hole 33 of the bathtub and the drain hole 34 of the bathroom flooring by connecting the other end of the drain pipe 32 to the outside.

[0011]

The present invention will be described below with reference to the illustrated embodiments. FIGS. 3 to 9 show an underfloor of a unit bath installation type bathroom on the upper floor. The underfloor is surrounded by H-shaped steel beams 12 and 13 with the web 35 oriented vertically and the flanges 36 and 37 oriented horizontally. There is.

Reference numeral 17 is a bus frame steel frame attached to the H-shaped steel beams 12 and 13. The bus pedestal steel frame 17 is framed in a rectangular shape by the C-shaped steel 15 in accordance with the outer dimension L of the depth and the width and the inner dimension N of the H-shaped steel beams 12 and 13 surrounding the underfloor of the bathroom, and is inside the border. C-shaped steel 16
Are welded in the vertical and horizontal directions to form a fence, and C-section steel is used for these C-section steels 15 and 16 with the groove 38 facing downward. A bracket 19 projects from the outer side surface 18 of the bus frame steel frame 17.

The width A of the flange 41 of the bracket 19 is the flange 40 of the C-shaped steel 15 of the bus frame steel frame 17.
C-shaped steel having a width larger than the width B is used. The C-shaped steel 19 has the groove 39 facing downward and the flanges 40.4.
1 are brought into close contact with each other, and the web 42 thereof is projected higher than the web 43 of the C-shaped steel 15 of the bus pedestal steel frame and welded, and the widths A and B of the flanges 40 and 41 are provided between the bracket 19 and the bus pedestal steel frame 17. Step 44 is formed according to the difference (A-B).

In the bus frame steel frame 17, the bracket 19 is brought into close contact with the web 42 on the bottom surface 20 of the lower flange 37 of the H-shaped steel beam 12/13, and the H-shaped steel beam 12/13 is connected via the bolts and nuts 21. Attached to. The installation work of the bus pedestal steel frame 17 to the H-shaped steel beams 12 and 13 is performed by pushing up the bus pedestal steel frame 17 from the lower side of the H-shaped steel beams 12 and 13 when constructing the steel framework. 5
9 and 60 are bolt insertion holes for inserting the bolts 21.

In this way, the interior of the recess 23, which is surrounded by the H-shaped steel beams 12 and 13 and the bottom surface is formed of the bus frame steel frame 17, has a wooden splint 45 on the upper flange 36 that surrounds the periphery. H-shaped steel beam that is installed and surrounds it 12.
The calikal plate 22 having a thickness of 11 mm is provided on the side surface of the bracket 13, and the lower edge portion 46 is mounted on the bracket 19 and the bus frame steel frame 1.
7 is abutted against the step 44, and the upper edge portion 47 thereof is nailed and attached to the wooden splint 45, and the same 11 mm calical board 22 is laid on the bus pedestal steel frame 17 and the underfloor space 58 is provided. Will be partitioned.

The upper flange 36 receives the edge of the ALC floor plate 48 in abutment with the wooden splint 45.
A sound insulating sheet 24 is attached onto the calic plate 22 continuing from the edge of the floor plate 48, and a calical plate 25 having a thickness of 11 mm is further attached onto the sound insulating sheet 24.

A bathtub 28 and a bathroom floor material 29 are mounted on the bottom surface 27 thus finished via a leg stand 30, and a gap 31 between the bottom surface 27 and the bathtub 28 and the bathroom floor material 29. A drain pipe 32 is provided in the. Drainage pipe 32
One end of is connected to the drainage hole 33 of the bathtub and the drainage hole 34 of the bathroom flooring material, and the other end is pulled out to the underfloor 58 from the extraction hole 26 that penetrates the H-shaped steel beams 12 and 13 and is formed in the side surface of the recess 23. Has been.

A flexible pipe is used as the drain pipe 32, and the gap between the flexible pipe 32 and the drawing hole 26 is sealed by a soundproof and airtight material. In the figure, 51 is the ALC floor plate 4
It is a flooring material constructed on No. 8. Reference numeral 11 is a wall panel surrounding the bathroom. 61 is an aluminum sash at the bathroom entrance 53.

Although the drainage pipe 32 is described in the above embodiment, in the practice of the present invention, the water supply pipe also penetrates the H-shaped steel beams 12 and 13 like the drainage pipe 32 to form the recess 23. It is drawn into the bathroom 14 from the underfloor 58 through the drawing hole 26 formed in the side surface.

[0020]

In the bathroom 14 according to the present invention, the wall surface is constituted by the wall panel 11 whose width is standardized, and the distance W between the beams 12 and 13 under the floor is standardized according to the width of the wall panel 11. Therefore, the bus pedestal steel frame 17 can also be standardized and made into a panel, and the construction of the bathroom 14 can be simplified and the construction period can be shortened by making the bus pedestal steel frame 17 into a panel.

Since the bus frame steel frame 17 is thus panelized and manufactured in a factory, the unit bath stationary bathroom 14 on the upper floor does not become expensive due to the practice of the present invention.

The conventional ALC floor plate to be installed under the floor 31 of the bathroom has a weight of 1 including the mortar finish.
Whereas becomes 05Kg / m ^2, in the construction specifications of the present invention, the bus frame steel frame 17 and the calcium silicate plate 22 · 2
5, the total weight including the sound insulation sheet 24 is 58.5 kg /
Since it can be set to m ² , the weight of bathroom floor construction can be reduced.

Since the recess 23 under the floor of the bathroom is surrounded by the members that sandwich the sound insulating sheet 24 between the calikal plates 22 and 25, the sound insulating effect between the bathroom 14 and the downstairs can be enhanced.

Under the bathroom floor, the ALC floor plate 48, which is difficult to make a hole and has a shape limit for notch processing, is not installed.
In place of that, since the calcareous plates 22 and 25, which are easy to construct, are used, the construction period of the bathroom 14 is shortened also in this respect.

The drain pipe 32 is directly under the floor 58 of the ALC floor plate 48 which is wide from the drawing hole 26 formed in the calical plates 22 and 25.
Since it is pulled out to, the moisture does not stay around the drain pipe 32.

A recess 23 for supporting the bathtub 28 and the bathroom flooring 29
Bottom surface 27 is the thickness of the H-shaped steel beams 12 and 13 (beam component)
Since it is lower than the general floor 52 and the drain pipe 32 is not drawn out to the dressing room 55, the dressing room floor 56 and the general floor 52 can be aligned at the same level, and as a result, the bathroom 14 and the dressing room Since the ceiling of the room 55 is at the same level as the general ceiling, it is easy to get in and out of the dressing room 55 and the bathroom 14, and the bathroom 14 and the dressing room 55 do not feel pressured.

It should be noted that although the numbers corresponding to the numbers shown in the drawings are added to the items described in the claims section of this specification, the added numbers understand the contents of this specification. This is for the purpose of facilitating the description, and the added number does not mean that the items described in the appended claims are limited to the items described in the drawings.

[Brief description of drawings]

FIG. 1 is a plan view of a bus pedestal steel frame mounted under the floor of a bathroom according to an embodiment of the present invention.

FIG. 2 is a sectional side view of a steel frame of a bus pedestal mounted under the floor of a bathroom according to an embodiment of the present invention.

FIG. 3 is a perspective view showing an attachment procedure of a bus pedestal steel frame attached to the underfloor of a bathroom according to an embodiment of the present invention.

FIG. 4 is a perspective view showing a state where a bus frame steel frame under the floor of the bathroom according to the embodiment of the present invention is installed.

FIG. 5 is a perspective view of a bathroom underfloor construction process according to an embodiment of the present invention.

FIG. 6 is a perspective view of a bathroom underfloor construction process according to an embodiment of the present invention.

FIG. 7 is a perspective view of a bathroom underfloor construction process according to an embodiment of the present invention.

FIG. 8 is a perspective view of a bathroom underfloor construction process according to an embodiment of the present invention.

FIG. 9 is a cross-sectional side view of the bathroom according to the embodiment of the present invention.

FIG. 10 is a sectional side view of a conventional bathroom.

[Explanation of symbols]

 11 Wall Panels 12 H-Shaped Steel Beams (Floor Beams) 13 H-Shaped Steel Beams (Floor Beams) 14 Bathroom 15 C-Shaped Steel 16 C-Shaped Steel 17 Bus Stand Steel Frame 18 Outer Side 19 Bracket (C-Shaped Steel) 20 H-Shaped Steel Beam bottom 21 Bolts and nuts 22 Lower plate (calcal plate) 23 Recessed part 24 Protective sheet 25 Upper plate (calcal plate) 26 Drawout hole 27 Recessed bottom part 28 Bathtub 29 Bathroom floor material 30 Leg fitting 31 Gap 32 Drain pipe 33 Bathtub Drainage holes 34 Bathroom floor material drainage holes 35 Web 36 Upper flange 37 Lower flange 38 C-shaped steel groove 39 Bracket groove 40 C-shaped steel flange 41 Bracket flange 42 C-shaped steel web 43 C-shaped steel Web 44 Step 45 Wood splint 46 Lower edge portion 47 Upper edge portion 48 ALC floor board 49 Wall panel drawing hole 50 Floor base material drawing hole 51 Floor material 52 General Floor 53 Bathroom Entrance 54 Sills 55 Undressing Room 56 Undressing Room Floor 57 Underdressing Room Floor 58 Underfloor Space 59 Bolt Insertion Hole 60 Bolt Insertion Hole 61 Aluminum Sash

Claims (4)

[Claims] 1. A wall surface is constituted by a wall panel (11) whose width is standardized, and an interval W between floor beams (12, 13) is standardized according to the width of the wall panel (11). 12.
13) is composed of H-shaped steel, and the underfloor area is surrounded by H-shaped steel beams (12, 13). It is framed in a rectangular shape by the shaped steel (15) according to the inner dimension (N) of the H-shaped steel beams (12, 13) surrounding the underfloor,
A bracket (19) attached to the outer side surface (18) around a bus frame steel frame (17), which is formed into a fence by vertically and horizontally welding a shaped steel (16) inside the edge, surrounds the underfloor of the bathroom. The H-shaped steel beam (1) is joined to the bottom surface (20) of the H-shaped steel beam (12, 13) via bolts and nuts (21), and its bus pedestal steel frame (17) surrounds the underfloor of the bathroom.
2.13), and the side of the H-shaped steel beam (12.13) facing the bus pedestal steel frame (17) and the upper surface of the bus pedestal steel frame are covered with the lower plate (22), and the casing is placed under the bathroom floor. -Shaped recess (23) is formed, and a protective sheet (24) is laminated on the inner surface of the recess (23).
4) A recess (23) constructed by laminating the upper plate (25)
The bottom of the recess (23) supported by the bus frame steel frame (17) (2) is opened by penetrating the H-shaped steel (12, 13) that surrounds the underfloor of the bathroom from the inner side of the
7) A bathtub (28) and a bathroom flooring (29) are placed on the leg stand (30), and the bottom surface (27) of the recess (23) formed by the leg stand (30) and the bathtub. In the gap (31) between the (28) and the bathroom flooring (29), the drain pipe (3
2), one end of the drain pipe (32) projects from the drain pipe drawing hole (26) to the outside of the recess (23), and the other end of the drain pipe (32) serves as the drain hole (33) of the bathtub. An upper unit bath-installed bathroom underfloor structure, characterized in that it is connected to a drain hole (34) of a bathroom floor material. 2. In the above-mentioned unit bath installation type bathroom underfloor structure according to claim 1, the H-section steel is made of a web (3).
5) is oriented vertically and the flanges (36, 37) are oriented horizontally to form the floor beams (12, 13), and the bus frame steel frame (17) is a C-shaped steel (with the groove (38) facing downward ( 1
5 ・ 16) is welded to the bracket (1
9) the C-shaped steel with the groove (39) facing downward, the flanges (4) on the C-shaped steel (15) of the bus frame steel frame (17).
0.41) are welded in close contact with each other, and the width (A) of the flange (41) of the C-shaped steel (19) of the bracket is the flange (C) of the C-shaped steel (15) of the bus frame steel frame (17) ( The width (B) of the bracket 40 is larger than the width (B) and the web (42) of the C-shaped steel (19) of the bracket welded to the steel frame (17) of the bus pedestal is the C-shaped steel (1) of the steel frame of the bus pedestal
5) protruding higher than the web (43) of the bracket (19) and the width (A / B) of the flanges (40/41) between the bracket (19) and the bus frame steel frame (17) (A / B).
-The step (44) corresponding to (B) is formed, and the web (42) of the C-shaped steel of the bracket (19) adheres to the lower surface of the lower flange (27) of the H-shaped steel beam (12, 13). An underfloor structure with a unit bath installation type bathroom on the upper floor, which is characterized by 3. In the above-mentioned unit bathroom installation type underfloor structure according to claim 2, the periphery of the recess (23) is mounted on the upper flange (36) of the H-shaped steel beam (12, 13). The lower edge portion (46) of the lower plate (22), which is framed by the installed wooden pier (45) and covers the side surface of the H-shaped steel beam (12, 13), has the bracket (19) and the bus frame steel frame (17). Between the upper flange (36) and the upper edge portion (47) of the lower plate (22) of the lower flange (22) is fixed to the wooden splint (45) on the upper flange (36). ALC floorboard (48) with wood splints (45)
The unit bath installation type underfloor structure on the upper floor is characterized in that the edge of the is accepted. 4. In the above-mentioned unit bath installation type underfloor structure of the bathroom according to claim 3, the lower plate (22) and the upper plate (25) are silica sheets, and the protective sheet (24) is a sound insulating sheet. Yes, the sound insulation sheet (24) is attached on the lower plate (22), and the upper plate (25) is attached on the sound insulation sheet (24). Type bathroom underfloor structure.