JP2011226142A - Method for installing bathroom - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a method of installing a bathroom that is capable of improving installation freedom of a bath unit.SOLUTION: A method of installing a bath unit comprises constructing side joints 14b/24b and floor beams 14c/24c arranged across an opening 40 for bath unit installation formed in a floor FL of a building and installing a bath unit 30 in the opening 40 for bath unit installation that is positioned lower than the floor FL supported by the floor beams 14c/24c. The method includes an opening step in which the opening 40 for bath unit installation is opened in the floor FL, a cutting step in which parts of the side joints 14b/24b that run across the opening 40 for bath unit installation are cut; a panel installation step in which a panel 50 for supporting the bath unit 30 is installed lower than floor FL by being supported by the floor beams 14c/24c; and a bath room installing step in which the bath unit 30 arranged on a floor panel 50 is installed lower than the floor FL in the opening 40 for bath unit installation.

Description

  The present invention relates to a bathroom installation method for installing a bathroom structure such as a bus unit in a building such as a house or an apartment house.

2. Description of the Related Art Conventionally, when installing a bathroom structure such as a bath unit equipped with a washing place and a bathtub in a building, it has been a problem to eliminate a step between the floor surface of the building unit and the washing place floor surface of the bathroom structure.
Therefore, when installing the bus unit, an upper floor panel having a general floor height of the building unit is provided, and an opening is provided in the upper floor panel, and the lower floor floor is set at a lower height than the upper floor panel. There is a technology that lowers the height of the washing floor by installing a panel and dropping the bus unit into this lower floor panel and installing the bus unit above the upper floor panel. It is known (see, for example, Patent Document 1).

Japanese Patent No. 2728339

  However, in the above-described conventional technology, an opening is provided in a part of the floor of one building unit, a lower floor panel is provided in the opening, and a bus unit is installed in the lower floor panel. ) Is limited to one building unit, and the degree of freedom of installation is low.

  An object of the present invention is to solve the above-mentioned problems, and an object of the present invention is to provide a bathroom installation method capable of improving the installation flexibility of a bathroom structure.

  In order to achieve the above object, the present invention provides an installation opening on a floor of a building, a joist disposed at a height that supports the floor across the installation opening, and a position lower than the joist. Is a bathroom installation method in which a bathroom structure provided with a small beam is installed in a lower position than the floor by the small beam to be supported by the small beam and installed in the installation opening. An opening step for opening the installation opening on the floor of the building, a cutting step for cutting a portion of the joist crossing the installation opening, and a floor panel for supporting the bathroom structure, A panel installation step for supporting the small beam on the installation opening; and a bathroom installation step for installing the bathroom structure in the installation opening at a position lower than the floor on the floor panel. It is characterized by It was bathroom installation method to.

The invention according to claim 2 is the bathroom installation method according to claim 1, wherein the building is a unit building formed by combining a plurality of building units, and the opening for installation is the first building. It was opened across the unit and the second building unit, and the joist was a joist provided around the outer periphery of each building unit.
According to a third aspect of the present invention, in the bathroom installation method according to the first or second aspect, the heat insulating material is installed in the opening for installation between the cutting step and the panel installing step. It was set as the bathroom installation method characterized by providing the step.
The invention according to claim 4 is the bathroom installation method according to any one of claims 1 to 3, wherein the bathroom structure is a bath unit in which a bathtub and a washing place are incorporated in advance. And the bathroom installation method.

In the bathroom installation method of the present invention, the joist placed across the installation opening is cut, and the bathroom structure is installed in the installation opening. The bathroom structure is arranged at a position lower than the upper surface of the joist. It was installed on a floor panel supported by a small beam, and it was installed at a position dropped below the floor.
Therefore, even in the position where the joists that support the floor exist, it is possible to install the bathroom structure by dropping it to a position lower than the floor, and the installation position of the bathroom structure is not restricted by joists. The degree of freedom of body setting is improved.

Furthermore, in the invention according to claim 2, in the unit building, the bathroom structure is installed in the installation opening straddling the first building unit and the second building unit. The degree of freedom of installation of the bathroom structure in the unit building is improved as compared with the case where only the bathroom structure is installed.
In invention of Claim 3, since the heat insulating material was installed in the opening for installation, the heat insulation of a bathroom structure can be improved.
In the invention according to claim 4, since the bathroom unit in which the bathroom and the washing place are incorporated in advance is used as the bathroom structure, it is possible to reduce the work man-hours at the building site compared to assembling the bathroom structure at the building site. .

FIG. 1 is a perspective view for explaining an opening step in the bathroom installation method according to Embodiment 1 of the present invention. FIG. 2 is a perspective view for explaining a cutting step in the bathroom installation method according to the first embodiment. FIG. 3 is a perspective view illustrating a heat insulating material installation step in the bathroom installation method of the first embodiment. FIG. 4 is a perspective view for explaining a panel installation step in the bathroom installation method of the first embodiment. FIG. 5 is a perspective view for explaining a bathroom installation step in the bathroom installation method of the first embodiment. FIG. 6 is a perspective view for explaining a partition building step in the bathroom installation method according to the first embodiment. FIG. 7 is a plan view showing the floor panel 50 used in the bathroom installation method of the first embodiment. FIG. 8 is a cross-sectional view showing a cut state taken along the line S8-S8 in FIG. FIG. 9 is a cross-sectional view showing a cut state taken along line S9-S9 in FIG.

Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.
1-6 has shown the bathroom installation method of embodiment in order of a step.
FIG. 1 shows a part of a building (not shown) in which the bathroom installation method of the embodiment is implemented, and shows a state in which a first building unit 10 and a second building unit 20 are installed on a building site.
In other words, buildings that are not shown in the figure are called unit buildings, and a plurality of building units consisting of floor panels and wall panels are produced at the factory, and the plurality of buildings are transported to the construction site and prepared in advance. The building is constructed by installing the building units on top of each other and connecting them together.

  In the first embodiment, the first building unit 10 and the second building unit 20 are combined to form one sanitary space SS at the corner of the building (not shown). That is, the outer wall W of the sanitary space SS is formed by the wall panels 11, 21, 22 erected on the building units 10, 20, and the floor materials 13, 23 provided on both the building units 10, 20 are used. A floor FL is formed as an undressing space for the sanitary space SS. In addition, although illustration is abbreviate | omitted in FIG. 1, while both building units 10 and 20 are provided with the indoor wall which forms the sanitary space SS, a ceiling is installed in a construction site, and is a factory. At the time of shipment, it is not installed as shown.

  In the sanitary space SS, a bus unit 30 as a bathroom structure is installed. As shown in FIG. 5, the bath unit 30 includes a wash basin 32 and a bathtub 31 made of an integrally formed waterproof pan, and has a wall surface 34 standing on the wall of the waterproof pan. The ceiling surface 35 is provided on the upper portion and formed into a box shape, and the wall surface 34 is a well-known one provided with a door 33 for opening and closing an entrance to and from the washing place 32.

Next, both building units 10 and 20 will be described.
As shown in FIG. 1, in the first embodiment, the first building unit 10 and the second building unit 20 are formed to have a common dimension in the unit longitudinal direction, which is the arrow Y direction in the figure. The dimensions in the unit width direction indicated by the arrow X direction in the figure are different, and the second building unit 20 is formed to have a dimension about half that of the first building unit 10. That is, the building unit that includes both the building units 10 and 20 and constitutes the building is formed based on a predetermined standard so as to be continuously connectable in the longitudinal direction and the width direction, and basically has a certain size. However, the dimensions are different from the basic settings so that they can be adjusted according to the required dimensions of the building. In this Embodiment 1, the 1st building unit 10 is a thing of a basic dimension, and the 2nd building unit 20 is formed in the dimension different from a basic dimension for adjustment.

Next, the floor structure of both building units 10 and 20 will be described.
The floor FL of each building unit 10, 20 is configured by attaching floor surface materials 13, 23 such as particle boards to the upper surfaces of the floor frame assemblies 14, 24.

  The floor frames 14, 24 are provided with end joists 14a, 24a and side joists (joists) 14b, 24b of a wooden and vertically long rectangular cross-sectional shape that form a rectangular frame at the outer peripheral edge of each building unit 10, 20. Yes. Although not shown, the floor coverings 13 and 23 are arranged at the same height as the end joists 14a and 24a and the side joists 14b and 24b. , 23 is provided.

  On the other hand, on the floor FL, a bus unit installation opening 40 for installing the bus unit 30 (see FIG. 5) is previously opened at the factory. The opening 40 for installing the bus unit is the first opening 41 formed in a part of the corner of the floor member 13 of the first building unit 10 and the floor member 23 of the second building unit 20. The second opening 42 is formed continuously over the entire width of the opening 41.

The outer periphery of the bus unit installation opening 40 is surrounded by end joists 14a and 24a, side joists 24b, a first opening frame 14d (see FIG. 9), and a second opening frame 24d (see FIG. 8). .
Both the opening frames 14d and 24d are made of the same material and dimensions as the end joists 14a and 24a and the side joists 14b and 24b. As shown in FIG. 9, the first opening frame 14d has the side joists 24b. As shown in FIG. 8, the second opening frame 24d is disposed to face the end joists 14a and 24a.

  In the bus unit installation opening 40, as shown in FIG. 1, floor beam beams 14c, 24c as beam beams between the end joists 14a, 14a, 24a, 24a along the unit longitudinal direction (arrow Y direction). Are installed in parallel with a gap in the unit width direction.

  The floor beams 14c and 24c are made of metal, and are formed in a substantially square cylindrical shape whose vertical dimension is smaller than the end joists 14a and 24a, the side joists 14b and 24b, and the opening frames 14d and 24d (see FIG. 9). The L-shaped metal fittings (not shown) provided at both ends are fixed to the end joists 14a and 24a and the opening frames 14d and 24d by screws. Further, as shown in FIG. 9, the floor beams 14c and 24c are arranged at a height such that the lower surfaces thereof substantially coincide with the lower surfaces of the end joists 14a and 24a and the side joists 14b and 24b. , 24a and the side joists 14b, 24b are disposed at positions lower than the upper surfaces.

In the bus unit installation opening 40, the floor panel 50 shown in FIGS. 4 and 7 is installed at a position lower than the floor FL.
The floor panel 50 includes a panel material 51 and a frame material 52.
The panel material 51 includes a bathtub installation opening 51a in which a part of one side of the rectangular plate material is cut out into a rectangular shape below the installation position of the bathtub 31. In addition, a circular drainage hole 51b through which a drain pipe (not shown) is inserted is opened near the bathtub installation opening 51a.

  The frame member 52 is a metal rectangular tube, and includes two horizontal frames 52a and 52b arranged along the unit longitudinal direction (arrow Y direction) and the unit width direction (in the arrow X direction). A total of eight vertical frames 52c to 52h, 52j, and 52k are combined and assembled, and end joists 14a and 24a and side joists 14b are attached to the ends of the respective frames 52a to 52h, 52j, and 52k. , 24b, and L-shaped fixing brackets 53 for screwing to the opening frames 14d, 24d. The fixing metal 53 is shown only at the tip of the vertical frames 52d and 52e exposed at the position of the bathtub installation opening 51a, and the one provided at the other frame is not shown. .

The frame material 52 is formed such that the portion where the bathtub 31 is disposed has higher support strength than the portion where the bathtub 31 is disposed. In other words, the frame material 52 has two vertical frames 52g, 52h and 52j, 52k between the horizontal frames 52a and 52b and between the horizontal frame 52b and the opening frame 14d at the position where the washing place 32 is disposed. In contrast, four vertical frames 52c to 52f are installed between the horizontal frame 52a where the bathtub 31 is disposed and the side joists 24b.
As shown in FIG. 7, the horizontal frame 52a arranged along the bathtub installation opening 51a is wider than the other frames 52b to 52h, 52j, 52k. In addition, another vertical frame 52b, two vertical frames 52d and 52e disposed in the bathtub installation opening 51a, and two vertical frames 52g and 52h installed between the horizontal frames 52a and 52b, A frame wider than the other vertical frames 52c, 52f, 52j, and 52k is used.

<Bathroom installation method>
Next, the bathroom installation method according to the embodiment of the present invention will be described in order.
(Opening step)
The opening step is a step of opening the bus unit installation opening 40 in the floor FL. In the first embodiment, the first opening 41 is formed in the floor material 13 of the first building unit 10 and the second opening 42 is formed in the floor material of the second building unit 20 in advance in the factory. The bus unit is installed on the floor FL of the sanitary space SS formed by combining the first building unit 10 and the second building unit 20 at the construction site. Opening 40 is formed.
In the first embodiment, the floor beams 14c and 24c are fixed to the building units 10 and 20 in the bus unit installation opening 40 in the factory.

(Unit transportation / installation steps)
The unit transportation / installation step is a step of transporting the building unit including both the building units 10 and 20 assembled at the factory to the construction site, and further installing the building unit on a foundation provided on the construction site, not shown.

  In this unit transportation / installation step, both building units 10 and 20 are arranged such that the end joists 14a and 24a and the side joists 14b and 24b are arranged in a frame shape along the outer circumference of the unit. The rigidity of the building unit is ensured, and even if the building units 10 and 20 are supported using the joists 14a, 24a, 14b, and 24b during transportation, problems such as deformation of the building units 10 and 20 occur. There is no.

  Furthermore, since the floor beams 14c and 24c are provided in the bus unit installation opening 40, even when the bus unit installation opening 40 is opened, the bus unit installation opening 40 is not provided during transportation and installation on the foundation. Deformation can be prevented.

(Cutting step)
A cutting step is a step which cuts the part arrange | positioned in the opening 40 for bus unit installation among the side joists 14b and 24b of the floor frame assemblies 14 and 24 of both the building units 10 and 20. FIG.
FIG. 1 shows a state before the cutting step is performed, and side joists 14b and 24b exist at the position of the opening 40 for installing the bus unit.
On the other hand, FIG. 2 shows a state after the cutting step is performed. The side joists 14b and 24b arranged in the bus unit installation opening 40 are cut, and the bus unit installation opening 40 is located at the position of the bus unit installation opening 40. Only the floor beams 14c and 24c arranged away from the height of the surface of the floor FL are installed.

(Insulation step)
As shown in FIG. 3, the heat insulating material laying step is a step of covering the entire surface of the bus unit installation opening 40 and laying the heat insulating material 60. The heat insulating material 60 is supported by the floor beams 14c and 24c shown in FIG. Is done. In addition, as the heat insulating material 60, an inorganic fiber heat insulating material such as glass wool or a foamed plastic heat insulating material such as polystyrene foam can be used. In the first embodiment, an inorganic fiber heat insulating material is used. Yes.

(Panel installation step)
The panel installation step is a step in which the floor panel 50 shown in FIG. 4 that supports the bus unit 30 is dropped into the bus unit installation opening 40 from the floor FL.

  At this time, after the floor panel 50 is disposed at a height at which the lower surface of the frame material 52 compresses or pushes the heat insulating material 60 to abut or approaches the upper surfaces of the floor beams 14c and 24c, the frames 52a to 52h. , 52j, 52k, by fixing the fixing metal 53 to the end joists 14a, 24a, the side joists 24b and the opening frames 14d, 24d.

  Therefore, the floor panel 50 is arrange | positioned at the height lower than the floor FL of both the building units 10 and 20, as shown also in FIG.

  In the construction site, an operation of covering the joint between the wall panel 11 and the wall panel 21 with the face material 73 is performed between the opening step and the panel installation step.

(Bus unit installation step)
As shown in FIG. 5, the bus unit installation step is a step in which the bus unit 30 is dropped from the floor FL and installed on the floor panel 50 installed in the bus unit installation opening 40.
At this time, since the floor panel 50 is installed at a position lower than the floor FL of both the building units 10 and 20, the bus unit 30 is also dropped and installed at a position lower than the floor FL.

  In the first embodiment, the bus unit 30 uses a waterproof pan or a bathtub 31 that already forms the floor surface of the washing place 32 at the factory. Also good.

(Partition built-in step)
The partition building step is a step of installing the entrance / exit partition 71 and the girder partition 72 shown in FIG. 6 so as to cover the side face of the wall surface 34 of the bus unit 30 facing the sanitary space SS.
Through the above steps, the installation of the bus unit 30 is completed.

As described above, in the bathroom installation method of the present embodiment, the effects listed below can be obtained.
a) After the installation of both building units 10 and 20, the side joists 14b and 24b are cut, and the floor panel 50 is supported by the floor beams 14c and 24c arranged at positions lower than the side joists 14b and 24b. The floor unit 50 supports the bus unit 30 by dropping it to a position lower than the floor FL.
Therefore, when the bus unit 30 is installed at a position lower than the floor FL, the bus unit 30 can be installed without being restricted by the presence of joists such as the side joists 14b and 24b, and the degree of freedom in installing the bus unit 30 is improved. To do.

b) Of the end joists 14a and 24a and the side joists 14b and 24b, the bus unit installation opening 40 is formed across the building units 10 and 20 in the unit building and surrounds the outer peripheral edges of the building units 10 and 20. The side joists 14b and 24b were cut.
Therefore, it becomes possible to install the bus unit 30 by dropping it below the floor FL across both the building units 10 and 20, and compared with the conventional case where the installation of the bus unit 30 is limited to one building unit. Thus, the degree of freedom of installation of the bus unit 30 in the unit building is improved.

  c) Since the side joists 14b and 24b are cut at the construction site as described above, both the buildings by the end joists 14a and 24a and the side joists 14b and 24b are used when transporting the building units 10 and 20 to the construction site. The rigidity of the units 10 and 20 can be ensured and the conventional transportation can be performed. That is, as shown in the above b), the side joists 14b and 24b are cut and the bus unit 30 is arranged across the position where the side joists 14b and 24b exist, but at the time of the unit transportation / installation step. The rigidity of both building units 10 and 20 can be secured.

  d) Since the heat insulating material 60 is laid between the building units 10 and 20 and the floor panel 50 in the opening 40 for installing the bus unit, the heat shielding property of the bus unit 30 can be improved.

  e) Since the bus unit 30 assembled at the factory is installed between the building units 10 and 20 at the building site, the working time at the building site can be shortened compared with the case where the bathroom structure is assembled at the building site. Can be planned.

  As mentioned above, although embodiment of this invention was described, this invention is not limited to such embodiment, A various deformation | transformation and substitution can be added in the range which does not deviate from the summary of this invention.

  For example, in Embodiment 1, a unit building is shown as a building in which a bus unit as a bathroom structure is installed. However, a building in which a bathroom structure is installed is not limited to a unit building. Therefore, if the joist to be cut at the opening for installing the bathroom structure is a joist arranged at a height that supports the floor material, it is limited to the side joists 14b and 24b or the end joists 14a and 24a of the building unit. Not. For example, floor joists in a so-called two-by-four wooden framed wall construction may be cut.

  In the first embodiment, the floor beams 14c and 24c assembled to the building units 10 and 20 at the factory are shown as the beams. However, the floor beams 14c and 24c are assembled at the construction site. May be.

  Moreover, in Embodiment 1, the example which filled the heat insulating material 60 between the floor panel 50 and the floor beam 14c, 24c was shown. The heat insulating material 60 is effective in a cold region, but the heat insulating material 60 may not be provided in a non-cold region.

  In the first embodiment, the bath unit 30 in which the bathtub 31 and the washing place 32 are assembled in advance in the factory is shown as the bathroom structure. However, the bathroom structure is not limited to this, and the bathtub is used at the construction site. It may be a bathroom structure of a type in which a washing place or a waterproof pan is assembled.

10 1st building unit 14b Side joist
14c Floor beam (beam)
20 Second building unit 24b Side joist
24c Floor beam (beam)
30 bath unit (bathroom structure)
31 Bath 32 Washing area 40 Bath unit installation opening 41 First opening 42 Second opening 50 Floor panel 60 Thermal insulation FL Floor

Claims (4)

An opening for installation is opened on the floor of the building, and a joist arranged at a height that supports the floor across the installation opening and a small beam arranged at a position lower than the joist are installed, A bathroom installation method provided with a bathtub and a washing place, dropped into a position lower than the floor by the small beam and supported and installed in the installation opening,
An opening step for opening the installation opening on the floor of the building;
A cutting step of cutting a portion of the joist crossing the installation opening;
A panel installation step of installing the floor panel for supporting the bathroom structure on the installation opening by supporting the small beam;
A bathroom installation step of installing the bathroom structure in the installation opening at a position lower than the floor on the floor panel;
A bathroom installation method characterized by comprising: The building is a unit building formed by combining a plurality of building units,
The opening for installation is opened across the first building unit and the second building unit,
The bathroom joist method according to claim 1, wherein the joist is a joist provided around an outer peripheral edge of each building unit.   The bathroom installation method according to claim 1, further comprising a heat insulating material installation step of installing a heat insulating material in the installation opening between the cutting step and the panel installation step.   The bathroom installation method according to any one of claims 1 to 3, wherein the bathroom structure is a bath unit in which a bathtub and a washing place are incorporated in advance.

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