JP4339441B2 - Piping structure and piping construction method for unit building - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a piping structure of a unit building and a piping construction method.
[0002]
[Prior art]
There is a unit construction method in which a plurality of box-shaped building units manufactured in advance in a factory are assembled to construct a building (unit building).
[0003]
Since the building by such a unit method is manufactured in advance at the factory, the construction period at the site is short and the assembly accuracy is high.
[0004]
Japanese Patent No. 2501707 is known as an example of a building by such a unit method. In this publication, a horizontal pulling specification for piping in one building unit is disclosed.
[0005]
On the other hand, in the semi-refractory building made by the unit construction method, when the piping is arranged across the building units, it is stipulated by the law to block the partition penetration part of the piping with mortar etc. .
[0006]
[Problems to be solved by the invention]
In the above unit building, when piping is arranged across building units, as described above, it is stipulated that the partition penetration portion of the piping is blocked with mortar or the like. When installing a bath unit of a bathroom unit in the unit, the waterproof pan that constitutes the bus unit is placed directly on the floor plate of the building unit. It was difficult to do.
[0007]
SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide a pipe structure and a pipe construction method for a unit building that can solve the above-described problems and can perform the processing of a partition through portion of the pipe from the upper side of the floor board.
[0008]
[Means for Solving the Problems]
In order to solve the above problem, in the invention described in claim 1, in the piping structure and piping construction method of a unit building in which a bath unit having a bathtub body and a waterproof pan is installed on the floor plate of the building unit And a removable floor on which at least a part of the floorboard beside the bus unit can be removed, and a floorboard on the lower part of the bathtub body can be removed, and the bus unit portion can be removed from the portion where the removable floor is removed. A covering box is provided which can be inserted into the lower side of the floor plate to surround the section through portion of the pipe installed in the building unit from the lower side, and the covering box has an opening which is closed on the upper surface by the floor plate. In addition, an opening that is closed by a non-combustible material at a position near the removable floor is provided on one end side.
[0009]
According to the invention concerning Claim 1 comprised in this way, even if the waterproof pan of a bus unit is provided on the said floor board, a removable floor is removed and a bus unit is removed from the part which removed the removable floor Insert the covering box under the floor of the part, surround the section through the piping installed in the building unit with the covering box from below, and make the opening on the top of the covering box contact the floor By performing the blockage with the non-combustible material at the opening on the one end side of the covering box, it is possible to perform the work of closing the partition penetration portion of the pipe from the upper side of the floor board.
[0010]
The invention described in claim 2 is characterized in that the bus unit is installed in a drop-down manner on a floor board having a lower level than the surrounding floor boards.
[0011]
According to the invention concerning Claim 2 comprised in this way, even if the waterproof pan of the bus unit is installed in a drop-down manner on the floor plate that is lower in level than the surrounding floor plate, It is possible to perform an operation of closing the partition penetrating portion.
[0012]
The invention described in claim 3 is characterized in that the height dimension of the covering box is made substantially equal to the height under the floor.
[0013]
According to the invention according to claim 3 configured as described above, the opening on the upper surface of the covering box can be substantially brought into contact with the floor board or the removable floor only by inserting and arranging the covering box under the floor. Thus, the adjustment of the mounting height of the covering box can be made unnecessary.
[0014]
The invention described in claim 4 is characterized in that the lower surface of the floor beam next to the bus unit is set at the same level as or higher than the lower surface of the floor plate under the bus unit.
[0015]
According to the invention according to claim 4 configured as described above, by setting the lower surface of the floor beam next to the bus unit to the same level as or higher than the lower surface of the floor plate under the bus unit, Since the lower surface of the beam does not protrude downward, the covering box can be easily inserted from the part where the removable floor beside the bus unit is removed.
[0016]
In the invention described in claim 5, in the pipe construction method for a unit building in which a bath unit having a bathtub body and a waterproof pan is installed on the floor plate of the building unit, at least part of the floor plate beside the bus unit. Remove the floor plate at the bottom of the bathtub body, insert a covering box from the part where the floor is removed to the bottom of the floor unit of the bus unit part, and insert the section through the piping installed in the building unit from the bottom side It is characterized by a pipe construction method for a unit building that encloses and closes the opening of the upper surface of the covering box with the floor board, and closes the opening of one end of the covering box with an incombustible material.
[0017]
According to the invention of claim 5 configured as described above, the same effect as that of claim 1 can be obtained.
[0018]
DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiment 1
Hereinafter, a specific first exemplary embodiment of the present invention will be described together with illustrated examples.
[0019]
1 to 6 show a first embodiment of the present invention.
[0020]
First, the configuration will be described. In the unit building 1 (semi-refractory building) of the first embodiment, a box-shaped upper-floor building unit 3 is placed on top of a box-shaped lower-floor building unit 2. Has been. Further, a bathroom unit bus unit 5 is installed in the building unit 3 on the upper floor.
[0021]
The building unit 2 on the lower floor includes two horizontal ceiling beams 6, 6, 7, 7, a plurality of ceiling joists 8 spanned between the opposing ceiling beams 6, 6, and ceiling joists 8 It has ceiling boards 9 and 10 such as gypsum boards stretched on the upper and lower parts, and a heat insulating material 11 filled between the upper and lower ceiling boards 9 and 10.
[0022]
The building unit 3 on the upper floor has two horizontal pairs of floor beams 15, 15 and 16, 16. A plurality of normal-sized floor beams 18 are spanned on the non-installed side 17 of the bus unit 5 between the opposing floor beams 15 of the building unit 3 on the upper floor. A floor board 20 is stretched through a floor joist 19 orthogonal to the floor beam 18.
[0023]
On the installation side 21 of the bus unit 5 between the opposing floor beams 15 and 15 of the building unit 3 on the upper floor, the low floor beam 22 having a height lower than that of the floor beam 18 is the floor beam 18. Are arranged in parallel with the bottom surface aligned. The boundary beam 23 between the non-installed side 17 and the installed side 21 of the bus unit 5 has a floor beam having a height equal to or lower than the difference between the floor beam 18 and the low floor beam 22 of normal size. 24 is provided.
[0024]
Further, the installation side 21 of the bus unit 5 is divided into an uninstalled portion 25 and an installed portion 26 of the bus unit 5, and in the uninstalled portion 25, a floor plate 29 is connected to the floor plate via a floor joist 26 or the like. It is stretched at the same level as 20. Further, in the installation portion 26 of the bus unit 5, a floor plate 30 is stretched on the lower floor beam 22 at a level lower than the floor plates 20 and 29, and the bus unit 5 is mounted on the floor plate 30. It is installed in a drop-in manner. In addition, the lower surface of the floor beam 24 in the boundary portion 23 is at the same level a or higher than the lower surface of the floor plate 30.
[0025]
And the said bus unit 5 is divided into the bathtub installation part 31 and the washing place part 32, and the bathtub main body 33 is mounted in the bathtub installation part 31. FIG. Further, the washing area 32 is provided with a waterproof pan 34. A wash basin 36 having a shower faucet 35 and the like is provided on one side of the washing section 32. A water supply pipe 37 and a hot water supply pipe 38 are connected to the washstand 36.
[0026]
Further, a trap 42 and a pipe 43 such as a miscellaneous water pipe connected to the trap 42 are provided at the drain outlet 41 of the bathtub body 33.
[0027]
Similarly, traps 44 and 45 and pipes 46 and 47 such as miscellaneous water pipes connected to the traps 44 and 45 are provided at the two corners of the washing place 32.
[0028]
And in this Embodiment 1, the removable floors 51 and 52 which can be removed are provided in the side part of the bus unit 5 in the floor boards 20 and 29 of the non-installation side 17 of the bus unit 5, and the non-installation part 25. ing.
[0029]
Moreover, the removable floor 53 which can be removed partially is provided in the floor board 30 of the bathtub main body 33 lower part in the installation part 26 of the bath unit 5.
[0030]
Furthermore, the trap 42, the traps 44 and 45, the pipe 43, and the pipes 46 and 47 are inserted into the ceiling back 54 of the building unit 2 on the lower floor from the portion where the removable floors 51 to 53 of the building unit 3 on the upper floor are removed. Covering boxes 55 to 57 that can be partially enclosed from below are provided.
[0031]
The covering boxes 55 to 57 are made of a non-combustible material such as gypsum board, and as shown in FIGS. 5 (a) and 5 (b), the upper surface and one end side are opened, and the opening 58 on the upper surface is provided with the floor plate 30 or the like. In addition, the opening 59 on one end side can be closed with a non-combustible material 60 such as mortar, rock wool or gypsum board in the vicinity of the removable floors 51 to 53. The height dimension b of the covering boxes 55 to 57 is substantially equal to the height of the under floor or the ceiling back 54 (the distance between the lower surface of the floor plate 30 and the upper surface of the ceiling plate 9). For example, as shown in FIGS. 6A to 6C, the covering boxes 55 to 57 include a bottom plate 64 made of gypsum board and three side plates 65 to 67 on wooden bars 61 to 63 formed in a U-shape. A structure with attached.
[0032]
In FIG. 1, reference numerals 71 and 72 are notches through which the traps 44 and 45 formed on the floor plate 30 are passed.
[0033]
Next, the operation of the first embodiment will be described.
[0034]
The building unit 3 on the upper floor is installed on the upper part of the building unit 2 on the lower floor. At this time, the building unit 3 on the upper floor is in a state in which the bathroom unit bus unit 5 is installed in advance at the factory.
[0035]
Then, after the building unit 3 on the upper floor is installed, the temporarily placed bathtub body 33 is temporarily moved to another place, and the removable floors 51 to 53 are removed from the floor plates 20, 29, 30.
[0036]
In this state, the cover box 55 is inserted into the ceiling 54 between the lower floor building unit 2 and the floor board 30 from the portion where the removable floor 53 of the upper floor building unit 3 is removed, and the trap 42 and the pipe 43 Is placed at a predetermined position, and a part of the trap 42 and the pipe 43 (partition through portion) is surrounded from the lower side by the covering box 55.
[0037]
Similarly, the cover boxes 56 and 57 are inserted into the ceiling 54 between the lower floor building unit 2 and the floor board 30 from the portion where the removable floors 51 and 52 of the upper floor building unit 3 are removed, and the trap 44 45 and pipes 46 and 47 at predetermined positions, and positions of notches 71 and 72 provided at two corners of the washing place 32 in the traps 44 and 45 and the pipes 46 and 47 in the covering boxes 56 and 57. To the vicinity of the portion from which the removable floor 53 is removed (partition penetration portion) is surrounded from below.
[0038]
After the construction of the covering boxes 55-57 and the traps 42, 44, 45, etc., a non-combustible material 60 such as mortar, rock wool or gypsum board is provided between one end of the covering boxes 55-57 and the pipes 43, 46, 47. Block by.
[0039]
Finally, the removable floors 51 to 53 are attached, the bathtub body 33 is returned to a predetermined position, and the bathtub body 33 is connected and fixed.
[0040]
As described above, according to the first embodiment, at least a part of the floor boards 20 and 29 beside the bus unit 5 can be removed, and the removable floors 51 and 52 can be removed, and the floor board 30 below the bathtub body 33 can be removed. A removable floor 53 is formed, and the trap 42, the traps 44 and 45, the pipe 43, and the pipes 46 and 47 are partitioned by inserting the removable floors 51 to 53 to the lower side of the floor plate 30 of the bus unit 5 part. Covering boxes 55 to 57 that can surround the penetrating portion from the lower side are provided, respectively, and the covering boxes 55 to 57 have an opening 58 that is closed by the floor plate 30 or the like on the upper surface, and the removable floor on one end side. Since it has the opening part 59 obstruct | occluded by the incombustible material 60 in the 51-53 vicinity position, even if the waterproof pan 34 of the bus unit 5 is provided on the floor board 30, it is a removable floor 1 to 53 are removed, and the covering boxes 55 to 57 are inserted into the lower side of the floor board 30 from the part where the removable floors 51 to 53 are removed, and the piping 43 and piping 46 installed in the building unit by the covering boxes 55 to 57. , 47 is surrounded from below, and the opening 58 on the upper surface of the covering box 55-57 is in contact with the floor plate 30, and the nonflammable material 60 is formed at the opening 59 on one end side of the covering box 55-57. By performing the blockage by the above, it becomes possible to perform the work of closing the partition through portions of the pipe 43 and the pipes 46 and 47 from the upper side of the floor plates 20, 29 and 30.
[0041]
Even if the bus unit 5 is installed on the floor plate 30 having a lower level than the surrounding floor plates 20 and 29 in a drop-down manner, the pipe 43 and the pipes 46 and 47 are partitioned from the upper side of the floor plates 20, 29 and 30. The work of closing the penetration portion can be performed.
[0042]
Further, by making the height dimension b of the covering boxes 55 to 57 substantially equal to the height of the under floor or the ceiling back 54 (the distance between the lower surface of the floor plate 30 and the upper surface of the ceiling plate 9), It is possible to make the opening 58 on the upper surface of the covering box 55-57 almost contact the floor plate 30 or the removable floor 53 only by inserting and arranging 57 under the floor or the ceiling back 54, and the covering boxes 55-57. It is possible to eliminate the need to adjust the mounting height of the.
[0043]
Further, by setting the lower surface of the floor beam 24 next to the bus unit 5 (detachable floor 51 portion) to the same level a or higher than the lower surface of the floor plate 30 of the bus unit 5 portion, Since the lower surface does not protrude downward, the covering box 57 can be easily inserted from the part where the removable floor 51 beside the bus unit 5 is removed.
[0044]
The embodiment of the present invention has been described in detail with reference to the drawings. However, the specific configuration is not limited to this embodiment, and the present invention can be changed even if there is a design change or the like without departing from the gist of the present invention. included.
[0045]
For example, the above configuration may be applied between a building unit on the first floor and a foundation. Moreover, you may apply with respect to the installation part of the waterproof pan for washing machines.
[0046]
【The invention's effect】
As described above, according to the invention of claim 1, even if the waterproof pan of the bus unit is provided on the floor board, the removable floor is removed and the bus unit portion is removed from the portion where the removable floor is removed. Inserting the covering box to the lower side of the floor plate, surrounding the section through part of the pipe installed in the building unit with the covering box from the lower side, and making the opening on the upper surface of the covering box contact the floor plate, By closing the non-combustible material at the opening on the one end side of the covering box, it is possible to perform an operation of closing the partition through portion of the pipe from the upper side of the floor board.
[0047]
According to the invention of claim 2, even if the waterproof pan of the bus unit is installed on the floor plate lower in level than the surrounding floor plate, the work of closing the partition penetration portion of the pipe from the upper side of the floor plate is performed. It can be carried out.
[0048]
According to the invention of claim 3, it is possible to make the opening on the upper surface of the covering box substantially contact the floor plate or the removable floor only by inserting and arranging the covering box under the floor. This adjustment can be made unnecessary.
[0049]
According to the invention of claim 4, by setting the lower surface of the floor beam next to the bus unit at the same level as or higher than the lower surface of the floor plate under the bus unit, the lower surface of the floor beam does not protrude downward. Therefore, it is possible to easily insert the covering box from the part where the removable floor beside the bus unit is removed.
[0050]
According to the invention of claim 5, a practically beneficial effect that the same effect as that of claim 1 can be obtained can be exhibited.
[Brief description of the drawings]
FIG. 1 is a plan view of a first embodiment of the present invention.
FIG. 2 is a cross-sectional view taken along the line AA of FIG.
3 is a cross-sectional view taken along the line BB in FIG.
4 is a cross-sectional view taken along the line CC of FIG.
5A is a perspective view before the installation of the covering box, and FIG. 5B is a perspective view after the installation of the covering box.
6A is a plan view of the covering box, FIG. 6B is a side view of the covering box, and FIG. 6C is a rear view of the covering box.
[Explanation of symbols]
2,3 Building unit 5 Bath unit 20, 29, 30 Floor plate 24 Floor beam 33 Bathtub body 34 Waterproof pan 43, 46, 47 Piping 51-53 Removable floor 55-57 Covering box 58, 59 Opening

Claims (5)

In the piping structure of a unit building in which a bath unit having a bathtub body and a waterproof pan is installed on the floor plate of the building unit,
At least a part of the floor plate beside the bus unit is a removable floor, and a removable floor is a removable floor plate at the bottom of the bathtub body,
A covering box is provided that can be inserted from the part from which the removable floor is removed to the lower side of the floor plate of the bus unit part and surround the partition penetration part of the pipe installed in the building unit from the lower side,
The piping structure of a unit building, wherein the covering box has an opening portion closed on the upper surface by the floor board and an opening portion closed on one end side by a noncombustible material at a position near the removable floor. 2. The piping structure of a unit building according to claim 1, wherein the bus unit is installed in a drop-down manner on a floor board having a lower level than the surrounding floor board. The piping structure for a unit building according to claim 1 or 2, wherein a height dimension of the covering box is substantially equal to a height under the floor. The piping structure for a unit building according to any one of claims 1 to 3, wherein the lower surface of the floor beam next to the bus unit is set at the same level as or higher than the lower surface of the floor board under the bus unit. In the piping construction method of a unit building in which a bath unit having a bathtub body and a waterproof pan is installed on the floor plate of the building unit,
Remove at least a part of the floorboard beside the bus unit, remove the floorboard at the bottom of the bathtub body, and install the covering box from the part where the floor is removed to the lower side of the floorboard of the bus unit part to install in the building unit The section penetrating part of the pipe to be enclosed is surrounded from the lower side, and the opening on the upper surface of the covering box is brought into contact with the floor plate, and the opening on the one end side of the covering box is closed with a noncombustible material. How to install pipes for unit buildings.

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