JP6804312B2 - How to install the bathroom unit - Google Patents

Description

The present invention relates to a method of constructing a bathroom unit.

In recent years, there has been a lifestyle in which people take a bath exclusively by bathing in hot water discharged from a shower device and do not soak in the hot water stored in the bathtub. In accordance with such a lifestyle, a compact bathroom unit having a waterproof pan for receiving hot water discharged from a shower device and a wall portion arranged so as to surround the waterproof pan has been devised.

For example, Patent Document 1 has a deep waterproof pan capable of storing hot water at a depth that allows bathing, and a shower device is provided on a wall or ceiling provided on the peripheral edge of the waterproof pan. The bathroom unit is disclosed. The waterproof pan has a hot water supply means for dropping hot water inside, and functions as a bathtub for storing hot water. In addition to the hot water supply means, the waterproof pan is provided with a drain plug and a drain port for overflow.

Jikkenhei 03-029088

In the bathroom unit described in Patent Document 1, it is necessary to provide a drainage portion for draining the drainage from the drain plug and the drainage port for overflow to the drainage port on the building side under the waterproof pan. Patent Document 1 only provides a drain plug, and although there is no description about other drainage parts, it is an assembly that connects the drainage part to the waterproof pan or the drainage port on the building side in a narrow space under the waterproof pan. There is a problem that the work becomes difficult depending on the construction method and takes time and effort.

The present invention has been made in view of such circumstances, and an object of the present invention is to provide a method for constructing a bathroom unit capable of easily assembling a bathtub and a drainage portion.

In the method of constructing a bathroom unit according to the present invention, in the method of constructing a bathroom unit in which hot water is stored in a bathtub and hot water can be discharged from the bathtub by a drainage portion connected to the bathtub, a stand for supporting the bathtub is installed. The first step of connecting the downstream end of the drainage part to the drainage port on the building side and arranging the drainage part inside the gantry, and the second step of arranging the drainage part inside the gantry so as to be located above the drainage part. It is characterized by including a third step of placing the bathtub on the gantry and a fourth step of connecting the upstream end of the drainage portion to a drainage port provided in the bathtub.

In the present invention, the bathroom unit stores hot water in the bathtub, and the drainage unit connected to the bathtub allows the hot water to be discharged from the bathtub. As for the construction method of the bathroom unit, the pedestal that supports the bathtub is installed by the first process, the downstream end of the drainage part is connected to the drainage port on the building side, and the drainage part is arranged inside the pedestal by the second process. Set up. In the construction method of the bathroom unit, the bathtub is placed on the pedestal so as to be located above the drainage part in the third step, and the upstream end of the drainage part is placed in the drainage port provided in the bathtub by the fourth step. connect. Thereby, the construction method of the bathroom unit can easily carry out the assembly work of the bathtub and the drainage portion.

According to the present invention, the bathroom unit construction method can easily perform the assembly work of the bathtub and the drainage portion.

It is a perspective view which shows the appearance of the bathroom unit which concerns on Embodiment 1 of this invention. It is a perspective view which shows the appearance in the bathroom unit which concerns on Embodiment 1 of this invention. It is a front view of the shower device. 4 (a) and 4 (b) are schematic views showing an intermediate process in the construction method of the bathroom unit according to the first embodiment of the present invention. 5 (a) and 5 (b) are schematic views showing other intermediate steps in the method of constructing the bathroom unit according to the first embodiment of the present invention. 6 (a) and 6 (b) are schematic views showing other intermediate steps in the method of constructing the bathroom unit according to the first embodiment of the present invention. It is an exploded perspective view of the bathtub part of the bathroom unit which concerns on Embodiment 2 of this invention. 8 (a) and 8 (b) are schematic views showing an intermediate process in the construction method of the bathroom unit according to the second embodiment of the present invention. 9 (a) and 9 (b) are schematic views showing other intermediate steps in the method of constructing the bathroom unit according to the second embodiment of the present invention. 10 (a) and 10 (b) are schematic views showing other intermediate steps in the method of constructing the bathroom unit according to the second embodiment of the present invention. 11 (a) and 11 (b) are schematic views showing other intermediate steps in the method of constructing the bathroom unit according to the second embodiment of the present invention.

Hereinafter, the present invention will be described with reference to FIGS. 1 to 11 based on a preferred embodiment. The same or equivalent components and members shown in the drawings shall be designated by the same reference numerals, and redundant description will be omitted as appropriate. In addition, the dimensions of the members in each drawing are shown enlarged or reduced as appropriate for easy understanding. In addition, some of the members that are not important for explaining the embodiment in each drawing are omitted and displayed.

(Embodiment 1)
FIG. 1 is a perspective view showing the appearance of the bathroom unit 100 according to the first embodiment of the present invention, and FIG. 2 is a perspective view showing the appearance inside the bathroom unit 100 according to the first embodiment of the present invention. The bathroom unit 100 includes a wall portion 51, a ceiling 52, a door 6, a shower device 7, a bathtub portion 1, and the like. As shown in FIG. 1, the bathroom unit 100 is installed on the floor 91 in an indoor space partitioned by a wall 90, a floor 91, and the like. The bathtub portion 1 is covered with a wall portion 51 arranged on the peripheral edge portion 10a of the bathtub 10 capable of storing hot water, and is covered with a ceiling 52 above. The door 6 is provided on a part of the wall portion 51 and can be opened and closed.

The bathtub portion 1 is shielded from the outside by a wall portion 51 and a door 6. The bather can move into the bathtub 10 with the door 6 open, bathe in the hot water discharged from the shower device 7 with the door 6 closed, and soak in the hot water stored in the bathtub 10 to take a bath. .. The bathroom unit 100 is not provided with a washing floor on the side of the bathtub portion 1, and bathing is performed in the bathtub 10.

FIG. 3 is a front view of the shower device 7. The shower device 7 has a water discharge horizontal bar 71, a vertical guide bar 72, and a shower head 73. The water discharge horizontal bar 71 has a rod shape with the horizontal direction as the axial direction, and is attached to the wall surface 51a above the bathtub portion 1. The water discharge horizontal bar 71 has a water discharge portion 71a in which fine water discharge holes are scattered over a predetermined length in the axial direction. The axial length of the water discharge portion 71a is, for example, about the shoulder width of the user. The water discharge unit 71a is bathed with hot water so as to hit both shoulders of the bather seated in the bathtub unit 1. The water discharge horizontal bar 71 can be rotated around an axis, and the angle of the water discharge portion 71a can be changed in the vertical direction by rotating the bar 71.

The vertical guide bar 72 has a rod shape whose axial direction is the vertical direction, and extends upward from one end of the water discharge horizontal bar 71. The vertical guide bar 72 has a slide member 72a that can slide in the axial direction. The slide member 72a has a rod shape with the horizontal direction as the axial direction, and one end thereof is slidably attached to the vertical guide bar 72 so that the slide member 72a can be held at an arbitrary height position. A hook 72b for hanging the shower head 73 is provided at the other end of the slide member 72a. The shower head 73 is removable from the hook 72b.

The shower device 7 can adjust the amount of water by switching the water discharge from either the water discharge horizontal bar 71 or the shower head 73 by the switching water amount adjusting knob 74a provided at one end of the water discharge horizontal bar 71. Further, the shower device 7 can adjust the temperature of the discharged water by the temperature control knob 74b provided at the other end of the water discharge horizontal bar 71.

The bathtub 10 has a deep dish shape with a rectangular upper end opening, a drain plug 21 for draining hot water, a water spout 22 for supplying hot water, and an overflow for draining hot water when the water level rises. A stopper 23 or the like is attached. The drain plug 21, the water discharge tool 22, and the overflow plug 23 are parts that function for water supply and drainage in the bathtub portion 1, and these parts are referred to as functional parts 2. The bathtub 10 is formed with a through hole penetrating the front and back at a position where functional parts 2 such as a drain plug 21, a water discharge tool 22, and an overflow plug 23 are arranged, and the functional part 2 is formed at the edge of the through hole. It is attached and the piping is connected to the functional component 2.

The drain plug 21 is provided at the bottom 10b of the bathtub 10 and is connected to the sewer side. The water discharge tool 22 is provided on the peripheral edge portion 10a of the bathtub 10 and is connected to the water supply pipe and the hot water supply device. The overflow plug 23 is provided at the upper part on the inner surface of the bathtub 10 and is connected to the sewer side.

Next, the construction method of the bathroom unit 100 according to the first embodiment will be described. 4 (a) and 4 (b) are schematic views showing an intermediate process in the construction method of the bathroom unit 100 according to the first embodiment of the present invention. The construction method of the bathroom unit 100 includes the first step of installing the gantry 81 that supports the bathtub 10, connecting the downstream end of the drainage unit 3 to the building side drainage port 92, and connecting the drainage unit 3 to the inside of the gantry 81. It includes a second step of arranging.

As shown in FIG. 4A, in the first step, the gantry 81 is installed on the floor 91. The gantry 81 is a rectangular parallelepiped frame structure, and has legs 81a at four corners and four inside, for a total of eight locations. The leg portion 81a has a height adjusting mechanism, and adjusts the height of the leg portion 81a so that the leg portion 81a does not float at the four corners or the like. Next, in the second step, the downstream end of the drainage portion 3 is connected to the drainage port 92 on the building side, and the drainage portion 3 is arranged inside the gantry 81. By the first step and the second step, the bathroom unit 100 is assembled to the state shown in FIG. 4 (b).

The drainage section 3 includes a drainage pipe section 30, a trap section 31, and an overflow pipe 33. One end 30a of the drainage pipe portion 30 corresponds to the downstream end portion in the present invention and is connected to the building side drainage port 92. The other end of the drain pipe portion 30 is connected to the trap portion 31. The trap portion 31 has a receiving port 31a connected to the drain plug 21 of the bathtub 10, and drains the drainage from the bathtub 10 to the drain pipe portion 30. The trap portion 31 keeps a state in which water is accumulated inside, and seals the drainage path with drainage. The overflow pipe 33 is connected to the trap portion 31, and one end portion 33a is connected to the overflow plug 23. The receiving port 31a of the trap portion 31 corresponds to the upstream end portion in the present invention.

5 (a) and 5 (b) are schematic views showing other intermediate steps in the construction method of the bathroom unit 100 according to the first embodiment of the present invention. The construction method of the bathroom unit 100 includes a third step of placing the bathtub 10 on the gantry 81 so as to be located above the drainage portion 3, following the second step.

As shown in FIG. 5A, in the third step, the bathtub 10 is lowered from above the gantry 81 and placed on the gantry 81 so that the bathtub 10 is located above the drainage portion 3. The receiving port 31a of the trap portion 31 in the draining section 3 is arranged at a position corresponding to the drainage port 10c provided at the bottom 10b of the bathtub 10. Along with this third step, columns 82 are erected at the four corners of the gantry 81. By the third step, the bathroom unit 100 is assembled to the state shown in FIG. 5 (b).

6 (a) and 6 (b) are schematic views showing other intermediate steps in the construction method of the bathroom unit 100 according to the first embodiment of the present invention. The construction method of the bathroom unit 100 includes, following the third step, a fourth step of connecting the upstream end of the drainage portion 3 to the drainage port 10c of the bathtub 10.

As shown in FIG. 6A, in the fourth step, the flange 10d is lowered from above the drain port 10c of the bathtub 10, and the male screw provided on the outer peripheral side portion of the flange 10d is inserted into the receiving port 31a of the trap portion 31. Screw it into the female screw provided on the peripheral side. The drain port 10c is watertightly sealed so that water does not leak from the bathtub 10 by disposing packing or the like on the edge portion. The trap portion 31 is pulled up toward the bathtub 10 when the flange 10d is attached, the receiving port 31a is in close contact with the packing provided in the drain port 10c, and the trap portion 31 is watertightly sealed so as not to cause water leakage from the trap portion 31. .. By the fourth step, the bathroom unit 100 is assembled in the state shown in FIG. 6 (b). The drain plug 21 is attached to the bathtub 10 so as to cover the upper part of the flange 10d.

The bathroom unit 100 is assembled by attaching a water spouting tool 22, an overflow plug 23, a wall portion 51, a ceiling 52, a door 6, and a shower device 7 following the fourth step.

Next, the operation of the bathroom unit 100 according to the first embodiment by the construction method will be described. In the construction method of the bathroom unit 100, the gantry 81 is installed on the floor 91 by the first step, and the drainage portion 3 is arranged inside the gantry 81 by the second step. Since the worker can perform the work of connecting one end 30a of the drainage pipe portion 30 to the drainage port 92 on the building side from above without the bathtub 10, the workability is good and the connecting work can be easily performed.

In the construction method of the bathroom unit 100, the bathtub 10 is placed on the gantry 81 by the third step. By this third step, the bathtub 10 is located above the drainage portion 3, and the drainage port 10c of the bathtub 10 and the receiving port 31a of the trap portion 31 in the drainage portion 3 need to be arranged at corresponding positions. There is. By visually observing the trap portion 31 from the drain port 10c of the bathtub 10, the operator can confirm whether the drain port 10c and the receiving port 31a are at the corresponding positions. The operator can also visually check the positions of the trap portion 31 and the drain port 10c of the bathtub 10 from the side of the bathtub 10. The position of the bathtub 10 may be adjustable when it is placed on the gantry 81.

In the construction method of the bathroom unit 100, the receiving port 31a of the trap portion 31 in the draining section 3 is connected to the drain port 10c of the bathtub 10 by the fourth step. By screwing the flange 10d into the receiving port 31a from above the drainage port 10c, the operator can perform the connecting work between the receiving port 31a and the drainage port 10c, so that the workability is good and the connecting work can be easily performed. As described above, in the construction method of the bathroom unit 100, the assembly work of the bathtub 10 and the drainage portion 3 can be easily performed by the first to fourth steps.

Next, the features of the construction method of the bathroom unit 100 according to the first embodiment will be described.
In the bathroom unit 100 according to the first embodiment, hot water is stored in the bathtub 10, and hot water can be discharged from the bathtub 10 by a drainage unit 3 connected to the bathtub 10. In the construction method of the bathroom unit 100, the pedestal 81 for supporting the bathtub 10 is installed in the first step, and one end 30a of the drainage pipe portion 30 which is the downstream end of the drainage portion 3 is set on the building side in the second step. It is connected to the drain port 92, and the drain portion 3 is arranged inside the gantry 81. In the construction method of the bathroom unit 100, the bathtub 10 is placed on the gantry 81 so as to be located above the drainage portion 3 in the third step, and the trap portion 31 which is the upstream end portion of the drainage portion 3 is installed in the fourth step. The receiving port 31a is connected to the drainage port 10c provided in the bathtub 10. Thereby, the construction method of the bathroom unit 100 can easily perform the assembly work of the bathtub 10 and the drainage portion 3.

Further, in the bathroom unit 100, the trap portion 31 partially between one end portion 30a of the drainage pipe portion 30 which is the downstream end portion of the drainage portion 3 and the receiving port 31a of the trap portion 31 which is the upstream end portion. Seal with drainage. As a result, for example, it is not necessary to separately arrange the trap portion on the downstream side of the drainage port 92 on the building side, and the construction method of the bathroom unit 100 can easily perform the assembly work of the bathtub 10 and the drainage portion 3. it can.

(Embodiment 2)
FIG. 7 is an exploded perspective view of the bathtub portion 1 of the bathroom unit 100 according to the second embodiment of the present invention. The bathtub unit 1 includes a bathtub 10, a bathtub pan 11, a drainage unit 3, and a hot water supply / water supply pipe 4. As described above, the bathtub 10 is provided with functional parts 2 such as a drain plug 21, a water spouting tool 22, and an overflow plug 23.

The bathtub pan 11 has a rectangular box shape with an open upper end and covers the lower side and the side surface of the bathtub 10. The upper end portion 11a of the bathtub pan 11 is connected to the peripheral edge portion 10a of the bathtub 10. The upper end portion 11a of the bathtub pan 11 and the peripheral edge portion 10a of the bathtub 10 may be watertightly connected. In the bathtub pan 11, a drainage portion 3 is arranged inside the bottom portion 11b, a step portion 11c one step higher than the bottom portion 11b is provided, and an external drain pipe 35 described later is arranged outside below the step portion 11c. It is installed.

The drainage section 3 has a drainage pipe section 30, a trap section 31, a drainage pipe 32 in the pan, and an overflow pipe 33. One end 30a of the drainage pipe portion 30 is connected to the external drainage pipe 35, and the other end portion is connected to the trap portion 31. The trap portion 31 causes the water discharged from the drain plug 21 of the bathtub 10 to flow to the drain pipe portion 30. The drainage pipe portion 30 and the trap portion 31 may be integrally formed or may be formed as separate bodies.

The drainage pipe 32 in the pan and the overflow pipe 33 are connected to the trap portion 31. One end of the drainage pipe 32 in the pan is connected to the trap portion 31, and the other end has a check valve 32a. The check valve 32a allows the water accumulated inside the bathtub pan 11 to flow into the drain pipe 32 in the pan, but blocks the outflow of water from the drain pipe 32 in the pan to the inside of the bathtub pan 11. The overflow pipe 33 is the same as that of the first embodiment, and the description thereof will be omitted for the sake of brevity.

The hot water supply water supply pipe 4 is provided with two pipes, one for hot water supply and the other for water supply, one end of which is connected to the water discharge tool 22, and an attachment provided in a through hole penetrating the bathtub pan 11 inside and outside. It is pulled out to the outside of the bathtub pan 11 through the portion 41, and the other end is connected to a hot water supply device (not shown). The temperature of the hot water supplied from the water spouting tool 22 to the bathtub 10 is set according to the opening degree of the hot water and the water by operating the handle portion of the water spouting tool 22. The temperature and amount of hot water supplied from the hot water supply pipe 4 to the water discharger 22 are controlled by the hot water supply device, and can be set by the bather as appropriate.

The bathtub 10 is provided with a through hole penetrating inside and outside at a position where functional parts 2 such as a drain plug 21, a water discharge tool 22, and an overflow plug 23 are arranged. The through hole is watertightly sealed by packing or the like so that water does not leak from the bathtub 10. In those through holes, even if the sealing performance due to packing or the like deteriorates due to aged deterioration or the like and water leaks from the bathtub 10, water is provided in the bathtub pan 11 provided so as to cover the lower part and the side of the bathtub 10. Since it receives the water, it is possible to prevent the outflow of water to the floor 91. Further, since the drainage unit 3 is provided inside the bathtub pan 11, even if water leaks from the drainage unit 3, the bathtub pan 11 can catch the water and prevent the water from flowing out to the floor 91. ..

Next, the construction method of the bathroom unit 100 according to the second embodiment will be described. 8 (a) and 8 (b) are schematic views showing an intermediate process in the construction method of the bathroom unit 100 according to the second embodiment of the present invention. The construction method of the bathroom unit 100 includes the first step of installing the gantry 81 that supports the bathtub 10, the external drainage pipe 35 is connected to the building side drainage port 92, and the external drainage pipe 35 is arranged inside the gantry 81. It includes a second step. In the construction method of the bathroom unit 100, for the sake of brevity, the description of the installation and connection work of the hot water supply / water supply pipe 4 will be omitted.

As shown in FIG. 8A, in the first step, the gantry 81 is installed on the floor 91. The gantry 81 is a rectangular parallelepiped frame structure, and has legs 81a at four corners and four inside, for a total of eight locations. The leg portion 81a has a height adjusting mechanism, and adjusts the height of the leg portion 81a so that the leg portion 81a does not float at the four corners or the like. Next, in the second step, the external drainage pipe 35 is connected to the building side drainage port 92, and the external drainage pipe 35 is arranged inside the gantry 81. By the first step and the second step, the bathroom unit 100 is assembled to the state shown in FIG. 8 (b).

9 (a) and 9 (b) are schematic views showing other intermediate steps in the construction method of the bathroom unit 100 according to the second embodiment of the present invention. The construction method of the bathroom unit 100 includes the third step of placing the bathtub pan 11 on the gantry 81 so as to be located above the external drainage pipe 35 and the downstream end of the drainage section 3 following the second step. It is provided with a fourth step of connecting to the external drain pipe 35 and arranging the drain portion 3 inside the bathtub pan 11.

As shown in FIG. 9A, in the third step, the bathtub pan 11 is lowered from above the gantry 81 and placed on the gantry 81 so that the bathtub pan 11 is located above the external drain pipe 35. Subsequently, in the fourth step, the downstream end of the drainage portion 3 is connected to the external drainage pipe 35, and the drainage portion 3 is arranged inside the bathtub pan 11.

One end 30a of the drain pipe portion 30 corresponds to the downstream end portion in the present invention and is connected to the external drain pipe 35. The other end of the drain pipe portion 30 is connected to the trap portion 31. The receiving port 31a of the trap portion 31 corresponds to the upstream end portion in the present invention. The receiving port 31a of the trap portion 31 is arranged at a position corresponding to the drain port 10c of the bathtub 10. By the third step and the fourth step, the bathroom unit 100 is assembled to the state shown in FIG. 9B.

10 (a) and 10 (b) are schematic views showing other intermediate steps in the construction method of the bathroom unit 100 according to the second embodiment of the present invention. The construction method of the bathroom unit 100 includes a fifth step of placing the bathtub 10 on the gantry 81 so as to be located above the drainage portion 3, following the fourth step.

As shown in FIG. 10A, in the fifth step, the bathtub 10 is lowered from above the gantry 81 and placed on the gantry 81 so that the bathtub 10 is located above the drainage portion 3. At this time, the upper end portion 11a of the bathtub pan 11 is connected to the peripheral edge portion 10a of the bathtub 10. The upper end portion 11a of the bathtub pan 11 and the peripheral edge portion 10a of the bathtub 10 may be watertightly connected. The lower part and the side of the bathtub 10 are covered with the bathtub pan 11. The receiving port 31a of the trap portion 31 in the draining section 3 is arranged at a position corresponding to the drain port 10c of the bathtub 10. Along with this fifth step, columns 82 are erected at the four corners of the gantry 81. By the fifth step, the bathroom unit 100 is assembled to the state shown in FIG. 10 (b).

11 (a) and 11 (b) are schematic views showing other intermediate steps in the construction method of the bathroom unit 100 according to the second embodiment of the present invention. The construction method of the bathroom unit 100 includes, following the fifth step, a sixth step of connecting the upstream end of the drainage section 3 to the drainage port 10c provided in the bathtub 10.

As shown in FIG. 11A, in the sixth step, the flange 10d is lowered from above the drain port 10c of the bathtub 10, and the male screw provided on the outer peripheral side portion of the flange 10d is inserted into the receiving port 31a of the trap portion 31. Screw it into the female screw provided on the peripheral side. The drain port 10c is watertightly sealed so that water does not leak from the bathtub 10 by disposing packing or the like on the edge portion. The trap portion 31 is pulled up to the bathtub 10 side when the flange 10d is attached, the receiving port 31a is in close contact with the packing or the like provided in the drain port 10c, and the trap portion 31 is watertightly sealed so as not to cause water leakage from the trap portion 31. .. By the sixth step, the bathroom unit 100 is assembled in the state shown in FIG. 11B. The drain plug 21 is attached to the bathtub 10 so as to cover the upper part of the flange 10d.

The bathroom unit 100 is assembled by attaching a water spouting tool 22, an overflow plug 23, a wall portion 51, a ceiling 52, a door 6, and a shower device 7 following the sixth step.

Next, the operation of the bathroom unit 100 according to the second embodiment by the construction method will be described. In the construction method of the bathroom unit 100, the gantry 81 is installed on the floor 91 by the first step, and the external drain pipe 35 is arranged inside the gantry 81 by the second step. Since the worker can perform the work of connecting the external drainage pipe 35 to the drainage port 92 on the building side from above without the bathtub 10 and the bathtub pan 11, the workability is good and the connection work can be easily performed.

In the construction method of the bathroom unit 100, the bathtub pan 11 is placed on the gantry 81 in the third step, the downstream end of the drainage section 3 is connected to the external drainage pipe 35 in the fourth step, and the drainage section 3 is connected to the bathtub pan. It is arranged inside 11. The work of connecting one end 30a of the drainage pipe portion 30 to the external drainage pipe 35 can be performed from above and from the side of the bathtub pan 11 while visually observing from above the bathtub pan 11, so that the workability is good and the connecting work can be easily performed. It can be carried out.

In the construction method of the bathroom unit 100, the bathtub 10 is placed on the gantry 81 by the fifth step. By this fifth step, the bathtub 10 is located above the drainage portion 3, and the drainage port 10c of the bathtub 10 and the receiving port 31a of the trap portion 31 in the drainage portion 3 need to be arranged at corresponding positions. There is. By visually observing the trap portion 31 from the drain port 10c of the bathtub 10, the operator can confirm whether the drain port 10c and the receiving port 31a are at the corresponding positions. The position of the bathtub 10 may be adjustable when it is placed on the gantry 81.

In the construction method of the bathroom unit 100, the receiving port 31a of the trap portion 31 in the draining section 3 is connected to the drain port 10c of the bathtub 10 by the sixth step. By screwing the flange 10d into the receiving port 31a from above the drainage port 10c, the operator can perform the connecting work between the receiving port 31a and the drainage port 10c, so that the workability is good and the connecting work can be easily performed. As described above, in the construction method of the bathroom unit 100, the assembly work of the bathtub 10 and the drainage portion 3 can be easily performed by the first to sixth steps.

Next, the features of the construction method of the bathroom unit 100 according to the second embodiment will be described.
In the bathroom unit 100 according to the second embodiment, the lower side of the bathtub 10 for storing hot water is covered with a bathtub pan 11, and hot water can be discharged from the bathtub 10 by a drainage portion 3 connected to the bathtub 10. In the construction method of the bathroom unit 100, a pedestal 81 for supporting the bathtub 10 is installed in the first step, an external drain pipe 35 is connected to the building side drain port 92 in the second step, and the external drain pipe 35 is pedestal 81. It is arranged inside the. In the construction method of the bathroom unit 100, the bathtub pan 11 is placed on the gantry 81 so as to be located above the external drainage pipe 35 in the third step, and the downstream end of the drainage section 3 is in the fourth step. One end 30a of the drainage pipe portion 30 is connected to the external drainage pipe 35, and the drainage portion 3 is arranged inside the bathtub pan 11. In the construction method of the bathroom unit 100, the bathtub 10 is placed on the gantry 81 so as to be located above the drainage unit 3 in the fifth step, and the trap portion which is the upstream end of the drainage unit 3 is installed in the sixth step. The receiving port 31a of 31 is connected to the drainage port 10c provided in the bathtub 10. Thereby, the construction method of the bathroom unit 100 can easily perform the assembly work of the bathtub 10 and the drainage portion 3.

Further, in the bathroom unit 100, the trap portion 31 partially between one end portion 30a of the drainage pipe portion 30 which is the downstream end portion of the drainage portion 3 and the receiving port 31a of the trap portion 31 which is the upstream end portion. Seal with drainage. As a result, for example, it is not necessary to separately arrange the trap portion on the downstream side of the drainage port 92 on the building side, and the construction method of the bathroom unit 100 can easily perform the assembly work of the bathtub 10 and the drainage portion 3. it can.

In the above-described first and second embodiments, the trap portion 31 is provided in the drainage portion 3, but the trap portion 31 is not provided in the drainage portion 3, and the drainage port 10c of the bathtub 10 is provided in the piping path of the drainage portion 3. It is also possible to provide a receiving port for receiving the drainage of the water. In this case, for example, a trap portion may be provided on the downstream side of the drainage port 92 on the building side.

Further, although the shape of the upper end opening of the bathtub 10 is rectangular in a plan view, each side portion may be curved. Further, the door 6 provided in the bathroom unit 100 may be opened and closed as a door such as a sliding door or a folding door.

The above description has been made based on the embodiment of the present invention. It will be appreciated by those skilled in the art that these embodiments are exemplary and that various modifications and modifications are possible within the claims of the invention, and that such modifications and modifications are also within the claims of the present invention. It is about to be done. Therefore, the descriptions and drawings herein should be treated as exemplary rather than limiting.

10 bathtub, 10c drain, 11 bath pan, 3 drain,
30a One end (downstream end), 31 Trap,
31a Receptacle (upstream end), 35 external drainage pipe,
81 pedestal, 92 building side drain, 100 bathroom unit.

Claims (3)

In the construction method of a bathroom unit in which hot water is stored in a bathtub, hot water can be discharged from the bathtub by a drainage portion connected to the bathtub, and a trap portion is provided on the upstream side of the drainage portion .
The first step of installing a stand to support the bathtub and
A second step of connecting the downstream end of the drainage portion to the building side drainage port and arranging the drainage portion inside the gantry including the trap portion .
The third step of placing the bathtub on the gantry so as to be located above the drainage portion, and
The fourth step of connecting the trap portion to the drain port provided in the bathtub, and
A method of constructing a bathroom unit, which is characterized by being provided with. In the construction method of a bathroom unit in which the lower side of the bathtub for storing hot water is covered with a bathtub pan and hot water can be discharged from the bathtub by a drainage portion connected to the bathtub.
The first step of installing a stand to support the bathtub and
The second step of connecting the external drainage pipe to the drainage port on the building side and arranging the external drainage pipe inside the gantry,
The third step of placing the bathtub pan on the gantry so as to be located above the external drainage pipe, and
A fourth step of connecting the downstream end of the drainage portion to the external drainage pipe and arranging the drainage portion inside the bathtub pan.
The fifth step of placing the bathtub on the gantry so as to be located above the drainage portion, and
The sixth step of connecting the upstream end of the drainage portion to the drainage port provided in the bathtub, and
A method of constructing a bathroom unit, which is characterized by being provided with. The method for constructing a bathroom unit according to claim 2 , wherein a trap portion is incorporated between the downstream end portion and the upstream end portion.

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