JP3190201B2 - Underfloor piping structure of building unit - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an underfloor piping structure of a building unit constituting a unit building.

[0002]

BACKGROUND ART A unit-type building such as a house is constructed by combining a plurality of building units produced in a factory at a construction site, and this building unit has four pillars standing at four corners and these pillars. It has a framework consisting of four upper beams and lower beams connecting the upper end and the lower end of the column with each other, and is formed by attaching an inner wall, an outer wall, a ceiling material, a floor material and the like to this framework. In such a unit-type building, a water supply pipe is provided to supply clean water to a plumbing facility such as a kitchen sink or a wash basin in a washroom. In a unit building, a space is formed between a fire-resistant floor base material provided under the floor of the building unit and a floor surface material provided above the floor base material through a joist. Is being done. When a plurality of pipes are passed through such a space, the joists become an obstacle. Therefore, a number of notches for the pipe passages are formed at predetermined positions of the joists.

[0003]

However, in the conventional under-floor piping structure of a building unit, there is a problem that many notches must be formed in a joist for a piping passage, and the processing is troublesome. Was.

[0004] It is an object of the present invention to provide an underfloor piping structure of a building unit that can easily provide a piping passage without forming a notch in a joist.

Another object of the present invention is to provide an underfloor piping structure of a building unit which facilitates a piping operation and can flexibly cope with a case where a plumbing facility is disposed at a different position.

[0006]

The under-floor piping structure of a building unit according to the present invention comprises a water supply system between a floor base material and a floor surface material provided above the floor base material through a joist member. In the underfloor piping structure of the building unit through which the piping is passed, a plurality of joist members are combined to form a plurality of joist panels, and the joist panels are arranged at intervals on the floor base, and the building unit
Leaving a straight pipe passage in the center of the
And it is characterized in a score passing the water around facility piping to the spacing and linear piping path between the panel.

The underfloor piping structure of this building unit
Te may plumbing equipment pipe a plurality of is passed through the straight-line-shaped pipe passage or single stem tube a plurality of branch tubes can be the plumbing equipment piping it became connection It may be passed.

[0008]

According to the present invention, it is possible to pass pipes for plumbing equipment between the joist panels arranged at intervals, thereby eliminating the need to form a notch in the joist .
No. Also, the joist panels are straight in the center of the building unit.
Since it is arranged leaving the pipe passage,
At the stage of basic design, make sure that the piping for
If specified, the location of the plumbing equipment
Easy to design piping to each plumbing equipment
And also facilitates plumbing work, which
Even if the location of plumbing equipment is different in the unit
Can respond flexibly.

[0009]

[0010]

Embodiments of the present invention will be described below with reference to the drawings. 1 and 2 show an underfloor piping structure of a building unit according to a first embodiment of the present invention. This building unit 1 is provided with a frame 4 composed of four pillars 2 erected at four corners and four upper beams and lower beams 3 connecting between upper ends and lower ends of the pillars 2. Building unit 1
Is formed by providing an inner wall, an outer wall, a ceiling portion, a floor portion 10 and the like (not shown) in such a frame 4. Then, a unit-type building is constructed by combining a plurality of such building units 1 at a construction site. FIG. 1 shows a state in which a floor member 16 and the like, which will be described later, constituting the floor portion 10 are not attached.

As shown in FIG. 2, the floor 10 is a floor base material 12 supported on the lower beam 3 of the building unit 1 via brackets 11A and 11B, and is disposed on the floor base material 12. A plurality of joist panels 13, 14, and 15 (see also FIG. 1), and a floor panel 16 provided on the joist panels 13, 14, and 15. The underfloor piping according to the present embodiment is performed in a space formed by the floor base material 12 and the floor surface material 16 of the floor portion 10. Since the building unit 1 according to the present embodiment is used for building a unit-type building for an apartment house, the floor base material 12 is
It is made of fireproof and soundproof ALC (high-temperature, high-pressure steam-cured lightweight cellular concrete). As shown in FIG. 2, a side refractory material 17 covering the upper side surface of the lower beam 3 is fixed to the upper surface and the end of the floor base material 12,
Further, on the upper surface of the side refractory material 17 and the upper surface of the lower beam 3, an upper surface refractory material 18 covering these upper surfaces is provided. At a predetermined position of the floor base material 12, as shown in FIG. 1, a through hole 12A through which a water supply main pipe 6 extending vertically is inserted. The main pipe 6 is a hard pipe, and the water supply includes cold water (that is, tap water) and hot water (water supplied from a hot water boiler).

As shown in FIG. 1, the joist panel 13 includes a plurality of joist members 13A and 13B, the joist panel 14 includes a plurality of joist members 14A and 14B, and the joist panel 15 includes a plurality of joist members 15A and 15B. It has a shape of a combined plane “mouth, sun” or the like, and such joist panels 13, 14, 15 are arranged at predetermined intervals in the long side direction of the building unit 1, and
Are arranged in two rows, leaving a pipe passage 7 which is a linear space at the center in the short side direction. In addition, one joist 19 is fixed to the piping passage 7 at a substantially central portion in the short side direction of the building unit 1 along the long side direction of the building unit 1. The pipe passage 7 is a main pipe passage, and the gap between the joist panels 13, 14, 15 arranged at intervals in the long side direction of the building unit 1 is longer than the main pipe passage 7. The sub-piping passage 8 is short.

The main pipe passage 7 and the sub pipe passage 8 are provided with a kitchen sink in a unit-type building, a sink in a washroom,
A plumbing system plumbing 20 for plumbing facilities such as a bathroom in a bathroom and a toilet in a toilet is passed through. That is, the plumbing 20 for plumbing equipment is arranged in the main pipe passage 7 to the inside of the sub-pipe passage 8 and has a plurality of branches having lengths corresponding to the distances from the respective plumbing equipment to the arrangement positions. A pipe 21 and a header 22 for distributing tap water from the main pipe 6 to these branch pipes 21 are provided. Each branch pipe 21 is in the form of a hose that can be bent freely.
Is inserted through the inside of the sheath tube 23 as shown in FIG. These branch pipes 21 are deployed on the floor base material 12, and the tips of the branch pipes 21 project through the through holes 16 </ b> A of the floor panel 16 to the surface of the floor 10, and extend therefrom to a predetermined water supply facility. Is to be issued. Further, the branch pipe 21 is fixed to the floor base material 12 by a plurality of semicircular stoppers 24 together with the sheath pipe 23. The header 22 is a cylindrical container, and as shown in FIG.
It is fixed to 2. The header 22 and the branch pipe 21 are connected by a joint (not shown).
2 and the main pipe 6 are connected by a joint 26.

According to the above-described embodiment, the following effects can be obtained. That is, the plurality of joist panels 13, 1
Since the gaps between the pipes 4 and 15 can be used as the linear main pipe passage 7 and the sub-pipe passage 8, if the joist panels 13, 14 and 15 are arranged corresponding to the positions of the plumbing facilities, the plumbing facilities A piping passage for goods can be secured, and thereby, the piping passage can be easily formed without providing a notch in the joist.

As described above, when the linear main pipe passage 7 along the long side direction of the building unit 1 is formed substantially at the center of the short side direction of the building unit 1, 7 is set in advance in the basic design stage so that pipes are passed through, and no matter where the plumbing equipment is placed in the building unit 1, the joist panels 13, 14, and 15 are located at the position of the plumbing equipment. In this case, the piping design for each plumbing facility can be easily performed, and the plumbing work can be facilitated. Therefore, when the location of the plumbing facility in the building unit 1 is different, Can respond flexibly.

FIG. 3 shows an underfloor piping structure of a building unit according to a second embodiment of the present invention. In the first embodiment, the joist panels 13, 14, 15 formed by combining a plurality of joist members 13A, 13B and the like are arranged at intervals in the long side direction and the short side direction of the building unit 1, and are formed thereby. Although a plurality of branch pipes 21 are passed through the central straight main pipe passage 7 and the sub-pipe passage 8 orthogonal thereto, in the second embodiment, the joist members 33A, 33B constituting the floor 30 are provided. To provide two joist panels 33 extending in the long side direction of the building unit 1 ′,
In addition, a plurality of pipes 20 ′ for plumbing
In this embodiment, the branch pipe 36 is branched. here,
The same structures and members as those of the first embodiment are denoted by the same reference numerals, and descriptions of those structures and the like are omitted or simplified. FIG. 3 also shows a state in which the floor material 16, the side refractory material 17, the upper surface refractory material 18 and the like shown in FIG. 2 are not attached.

The two joist panels 33 are arranged at a predetermined interval in the center of the building unit 1 in the short side direction, and this interval is a straight line along the long side direction of the building unit 1 '. The main pipe passage 37 is provided. Further, a passage portion 34 serving as a sub-piping passage is formed in a part of the joist member 33 </ b> A opposed to the joist panel 33 with the main piping passage 37 interposed therebetween.

The plumbing 20 'is composed of a main pipe 31 and a plurality of branch pipes 36. The main pipe 31 is connected to the water supply source pipe 6 by a joint (not shown), and is stopped. It is fixed to the floor base material 12 by the tool 38.
Further, the branch pipes 36 are connected to the main pipe 31 through the joints 35, and these branch pipes 36 are deployed on the floor base material 12, and after passing through the passage portion 34, the distal ends thereof are As shown in FIG. 2 of the embodiment, it protrudes to the surface of the floor surface material through a through hole of the floor material (not shown) in the floor portion 30 and extends from there to a predetermined plumbing facility. I have. Although not shown, the branch pipe 36 may be inserted into the sheath pipe similarly to the branch pipe 21, or may not be inserted.

According to this embodiment as described above,
The same effect as described above can be obtained.

The present invention is not limited to the above embodiments, but includes the following modifications as long as the objects of the present invention can be achieved. For example, in each of the above embodiments, the floor base material 12 in the building units 1 and 1 'is formed of ALC having excellent fire resistance because the building units 1 and 1' are used in a unit-type building as an apartment house. However, the present invention is not limited to this, and a floor base material such as wood may be used. In short, in the present invention, it is only necessary that the space between the floor base material and the floor surface material provided via a joist thereon can be used as a piping space.

Further, the shape and arrangement of the joist panels 13, 14, 15 in the first embodiment are not limited to those of the embodiment, and all the joist panels have the same shape, for example, a plane "day".
And they may be arranged. In short, in the present invention, a plurality of joist panels may be formed by combining a plurality of joist members.

[0022]

As explained above, according to the present invention, according to the present invention, can be passed through a pipe for plumbing equipment between joists panels each other spaced apart by this, the joists notch Need not be formed . Also, the joist panels are
It is located leaving a straight pipe passage in the center of the knit.
Therefore, make sure that the plumbing
If it is set in advance at the basic design stage,
No matter where the building unit is located,
Easy piping design for objects
This will result in the plumbing
Can be flexibly handled even when the arrangement positions of are different.

[0023]

[Brief description of the drawings]

FIG. 1 is a perspective view showing an underfloor piping structure of a building unit according to a first embodiment of the present invention.

FIG. 2 is a sectional view showing a main part of the first embodiment.

FIG. 3 is a perspective view showing an underfloor piping structure of a building unit according to a second embodiment of the present invention.

[Explanation of symbols]

1, 1 'building unit 6 main pipe 7, 37 main pipe passage 8 sub pipe passage 10 floor 12 floor base 13, 14, 15 joist panels 13A, 13B, 14A, 14B, 15A, 15B Plural joist members 16 floor Surface material 20, 20 'Piping for plumbing equipment 21 Branch pipe 22 Header 31 Main pipe 32 Branch pipe

Claims (3)

(57) [Claims] An underfloor piping structure for a building unit, wherein a plumbing system pipe is passed between a floor base material and a floor surface material provided above the floor base material via a joist member. A plurality of members are combined to form a plurality of joist panels, and these joist panels are arranged at intervals on the floor substrate, and at the center of the building unit.
Leave a straight pipe passage and place between the joist panels
Underfloor piping structure of the building unit, characterized in the the water around facility piping to the distance and straight pipe passage score <br/> communication. 2. The underfloor piping structure of a building unit according to claim 1, wherein a plurality of said linear piping passages are provided in said linear piping passage.
An underfloor piping structure for a building unit, wherein piping for plumbing equipment is passed through . 3. A underfloor piping structure of the building unit according to claim 1 or claim 2, wherein the straight pipe passage is the water around equipment for pipe branch pipe a plurality of becomes connectable one An underfloor piping structure for a building unit, wherein a trunk pipe is passed through .