JPH07286342A - Underfloor piping structure of building unit - Google Patents

Abstract

PURPOSE:To mount a piping path easily even when a notched section is not formed to a floor joist. CONSTITUTION:The floor section 10 of a building unit 1 has a floor base material 12, a floor joist panels 13, 14, 15 arranged on the floor base material 12, and floor face materials, etc., installed on these floor joist panels 13, 14, 15. Clearances among the mutual floor joist panels 13, 14, 15 are divided into a linear main piping path 7 and sub-piping paths 8 crossing at right angles with the main piping path 7, and a piping 20 for water related facilities consisting of a plurality of branch pipes 21 connected to the water related facilities and a header 22 distributing potable water from a main pipe 6 to the branch pipes 21 is disposed into these paths 7, 8.

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 which constitutes a unit type building.

[0002]

[Background Art] A unit-type building such as a house is built by combining a plurality of building units produced at a factory at a construction site. This building unit consists of four pillars that are erected in four corners and It is provided with a frame composed of four upper beams and four lower beams connecting the upper ends and the lower ends of the columns to each other, and is formed by attaching an inner wall, an outer wall, a ceiling material, a floor material and the like to the frame. In such a unit-type building, a water supply pipe is installed to supply tap water to water supply equipment such as a sink in a kitchen or a washbasin in a washroom. In a unit type building, within the space formed between the fire-resistant floor base material provided under the floor of the building unit and the floor surface material provided above this floor base material with joists. Has been done. Then, when a plurality of pipes are passed through such a space, the joists interfere with each other, so that a large number of notches for pipe passages are formed at predetermined positions of the joists.

[0003]

However, in the conventional underfloor piping structure of a building unit, there is a problem that a large number of cutouts for piping passages must be formed in the joists, which is troublesome to process. It was

An object of the present invention is to provide an underfloor piping structure for a building unit in which a piping passage can be easily provided without forming a cutout in the joist.

Another object of the present invention is to provide an underfloor piping structure for a building unit, which facilitates piping work and can flexibly cope with the case where the water supply facilities are arranged at different positions.

[0006]

An underfloor piping structure of a building unit according to the present invention is a water supply facility 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 service piping is passed, multiple joist members are combined to form a plurality of joist panels, and these joist panels are arranged at intervals on the floor base material, and this interval is It is characterized in that it is a pipe passage through which piping for peripheral equipment is passed.

In the underfloor piping structure of this building unit, the joist panel may be arranged leaving a linear piping passage in the center of the building unit, and this linear piping passage is used for a plurality of water supply facilities. The pipe may be passed through, or one trunk pipe, which is a pipe for water supply equipment to which a plurality of branch pipes can be connected, may be passed through.

[0008]

According to the present invention as described above, the space between the joist panels arranged at intervals serves as a pipe passage, through which the piping for the water supply facility can be passed, whereby the notch is formed in the joist. It is possible to easily provide the piping passage even without it.

In addition, in the underfloor piping structure of this building unit, when the joist panel is arranged leaving a linear piping passage in the center of the building unit, the plumbing equipment piping should be passed through this piping passage. If set in advance at the basic design stage, the piping design for each water supply facility can be done easily, regardless of where the water supply facility is placed in the building unit, and the piping work becomes easy. As a result, it is possible to flexibly cope with the different arrangement positions of the water supply equipment in the building unit.

[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 the first embodiment of the present invention. This building unit 1 is provided with a skeleton 4 consisting of four pillars 2 which are erected at four corners and four upper beams and lower beams 3 which connect upper ends and lower ends of these pillars 2 to each other. Cage, building unit 1
Are formed by providing such a skeleton 4 with an inner wall, an outer wall, a ceiling portion, a floor portion 10 and the like (not shown). A unit type building is built by combining a plurality of such building units 1 at a construction site. It should be noted that FIG. 1 shows a state in which the floor surface member 16 and the like, which will be described later, that constitute the floor portion 10 are not attached.

As shown in FIG. 2, the floor portion 10 is disposed on the floor base material 12 supported on the lower beam 3 of the building unit 1 via brackets 11A and 11B, and is placed on the floor base material 12. It also has a plurality of joist panels 13, 14, 15 (see also FIG. 1) and a floor covering 16 provided on the joist panels 13, 14, 15. The underfloor piping of the present embodiment is designed to be performed in the 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 this embodiment is used to build a unit-type building for an apartment house, the floor base material 12 is
It is made of ALC (lightweight aerated concrete that is cured by high temperature and high pressure steam) having fire resistance and soundproofing. Further, as shown in FIG. 2, a side surface refractory material 17 covering the upper side surface of the lower beam 3 is fixed to the upper surface and the end portion of the floor base material 12,
Further, an upper surface refractory material 18 that covers these upper surfaces of the side surface refractory material 17 and the upper surface of the lower beam 3 is provided. As shown in FIG. 1, a through hole 12 </ b> A through which the vertically extending water supply pipe 6 is inserted is opened at a predetermined position of the floor base material 12. The main pipe 6 is a hard pipe, and the water supply includes cold water (that is, clean 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. The combined joist panels 13, 14 and 15 are formed in a combined plane shape such as “mouth, sun”, and are arranged at predetermined intervals in the long side direction of the building unit 1, and at the same time, the building unit 1
Are arranged in two rows, leaving the pipe passages 7 that are linear intervals at the center in the short side direction. In addition, a single joist 19 is fixed along the long side direction of the building unit 1 at a substantially central portion of the piping unit 7 in the short side direction. 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 has a length dimension larger than that of the main pipe passage 7. It is a short auxiliary pipe passage 8.

In the main pipe passage 7 and the sub-pipe passage 8, a kitchen sink in a unit type building, a washbasin in a washroom,
A pipe 20 for a water supply facility for water supply facilities such as a bath in a bathroom and a toilet bowl in a toilet is passed through. That is, the water supply facility pipe 20 is arranged in the main pipe passage 7 from the sub pipe passage 8 and has a plurality of branches having lengths corresponding to the distances from the respective water supply facility arrangement positions. A pipe 21 and a header 22 for distributing the clean water from the main pipe 6 to the branch pipes 21 are provided. Each branch pipe 21 is a bendable hose-shaped one, and
As shown in FIG. These branch pipes 21 are developed on the floor base material 12, and the tips thereof project to the surface of the floor portion 10 through the through holes 16A of the floor surface material 16 and extend from there to a predetermined water supply facility. It is supposed to be served. Further, the branch pipe 21 is fixed to the floor base material 12 together with the sheath pipe 23 by a plurality of semicircular stoppers 24. The header 22 is a cylindrical container, and as shown in FIG.
It is fixed at 2. The header 22 and the branch pipe 21 are connected by a joint (not shown).
2 and the base pipe 6 are connected by a joint 26.

According to this embodiment as described above, the following effects can be obtained. That is, a plurality of joist panels 13, 1
Since the gap between the four and fifteen can be used as the straight main pipe passage 7 and the sub-pipe passage 8, if the joist panels 13, 14, and 15 are arranged in correspondence with the arrangement position of the water supply equipment, the water supply equipment It is possible to secure a piping passage for an object, and thus a piping passage can be easily formed without providing a cutout portion in the joist.

Further, as described above, when the straight main pipe passage 7 extending 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, this main pipe passage is formed. If it is set in advance at the stage of basic design so that the pipes will be routed through 7, the joist panels 13, 14, 15 can be used to position the joist panels 13, 14 and 15 regardless of the position of the water equipment in the building unit 1. By deciding according to the above, it becomes possible to easily design the piping for each water supply facility, and also the piping work becomes easier, so that when the location of the water supply facility is different in the building unit 1. We can respond flexibly.

FIG. 3 shows an underfloor piping structure of a building unit according to the second embodiment of the present invention. In the first embodiment, joist panels 13, 14, 15 formed by combining a plurality of joist members 13A, 13B, etc., 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-line main pipe passage 7 and the sub-pipe passage 8 orthogonal to the central pipe passage, the joist members 33A, 33B forming the floor portion 30 are provided in the second embodiment. By providing two joist panels 33 extending in the long side direction of the building unit 1 ',
Further, the water supply facility pipe 20 'is of a type in which a plurality of branch pipes 32 are branched from a main pipe 31. here,
The same structures and members as those of the first embodiment are designated by the same reference numerals, and the description of their structures will be omitted or simplified. Further, FIG. 3 also shows a state in which the floor material 16, the side surface 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 central portion of the building unit 1 in the short side direction, and this interval is a linear shape along the long side direction of the building unit 1 '. It is the main piping passage 37. Further, in the joist panel 33, a passage portion 34 serving as a sub-pipe passage is formed in a part of the joist member 33A facing each other with the main pipe passage 37 interposed therebetween.

The pipe 20 'for water supply equipment comprises a main pipe 31 and a plurality of branch pipes 36. The main pipe 31 is connected to the main pipe 6 of the water supply by a joint (not shown), and is also stopped. It is fixed to the floor base material 12 by a tool 38.
Further, the branch pipes 36 are connected to the trunk pipe 31 via the joints 35, and the branch pipes 36 are developed on the floor base material 12 and, after passing through the passage portion 34, the tips thereof are In the same manner as shown in FIG. 2 of the embodiment, it projects through the through hole (not shown) of the floor surface material in the floor portion 30 to the surface of the floor surface material and extends from there to a predetermined water supply facility. There is. Although not shown, the branch pipe 36 may or may not be inserted into the sheath pipe similarly to the branch pipe 21.

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

The present invention is not limited to the above-described embodiments, but includes the following modifications as long as the object 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 may be a floor base material such as wood. In short, in the present invention, the space between the floor base material and the floor surface material provided on the floor base material via joists may be used as a piping space.

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

[0022]

As described above, according to the present invention, the space between the joist panels arranged at intervals serves as a pipe passage, so that the pipe for the water supply facility can be passed therethrough. As a result, the piping passage can be easily provided without forming a notch in the joist.

Further, in the underfloor piping structure of this building unit, since the joist panel is arranged in the center of the building unit leaving a linear piping passage, it is necessary to preliminarily carry out the piping in this piping passage at the basic design stage. If you set it with
Regardless of where the water supply equipment is located in the building unit, the piping design for each water supply equipment can be done easily, and
The piping work is facilitated, and this has the effect that the building unit can flexibly deal with different locations of the water supply equipment.

[Brief description of 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 panel 13A, 13B, 14A, 14B, 15A, 15B Multiple joist members 16 Floor Face material 20, 20 'Pipe for water supply equipment 21 Branch pipe 22 Header 31 Stem pipe 32 Branch pipe

Claims (4)

[Claims] 1. An underfloor piping structure of a building unit in which a plumbing pipe is provided 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 base material, and the intervals are used as piping passages for passing the piping for water supply facilities. The underfloor piping structure of the building unit. 2. The underfloor piping structure for a building unit according to claim 1, wherein the joist panel is arranged in the center of the building unit, leaving the linear piping passage. Construction. 3. The underfloor piping structure for a building unit according to claim 2, wherein a plurality of the pipes for the water supply facility are passed through the linear pipe passage. Construction. 4. The underfloor piping structure for a building unit according to claim 2, wherein the straight pipe passage is a trunk pipe that is a pipe for the water supply facility and is connectable to a plurality of branch pipes. An underfloor piping structure of a building unit, which is characterized in that