JPH04254657A - Underfloor piping structure of building - Google Patents

Abstract

PURPOSE:To utilize the living space effectively and to carry out the piping work simply by providing the pipings of water pipes, hot water pipes, and the like, by utilizing the dead space of a building. CONSTITUTION:By holding a floor member 10 to inverted beams 6 and 7 projecting from the upper side of a horizontal trunk 1 of a building through sleepers 8, an underfloor space 11 is foamed between the horizontal trunk 1 and the floor member 10. By utilizing the underfloor space 11, headers 17 and 18 are provided. And the headers 17 and 18, and the faucets 151 and 161 of a bath tub 15 and a washstand 16 are connected through flexible pipes P which can be arranged easily. In this case, by providing the flexible pipes P along the side surface of the sleepers 8 to hold the floor member 10, the underfloor space 11 can be utilized more effectively, and the piping work can be made more easily.

Description

[Detailed description of the invention]

0001

[Industrial Application Field] The present invention provides inverted beams protruding from the upper surface of a horizontal frame that divides a building into upper and lower floors, and supports flooring materials on the upper surface of a large drawer installed between these inverted beams. This invention relates to a piping structure that effectively utilizes the underfloor space in a building in which an underfloor space is formed between the flooring material and the horizontal frame.

0002

[Prior Art] Conventionally, housing complexes such as condominiums have been reinforced by integrally forming large beams and small beams on the lower surface of a horizontal frame made of concrete slabs that partition the building into each floor. The ceiling material is supported from the bottom of the concrete slab via hanging bolts so as to hide the small beams. In addition, on the upper surface of the concrete slab where the large beams and small beams are not exposed, a plurality of large joists are supported in parallel through a large number of bundles, and the upper surface of a plurality of joists installed perpendicularly to the tops of the large joists is supported in parallel through a large number of bundles. The flooring is covered.

0003

[Problems to be Solved by the Invention] By the way, when the conventional floor structure described above is adopted, a dead space is formed between the concrete slab and the ceiling surface that is not used effectively. There is a problem in that it is not possible to secure space for use by people. Therefore, a so-called reverse beam is installed that protrudes from the top surface of the concrete slab that divides a building into upper and lower floors, and by supporting the flooring material on this reverse beam, an underfloor space can be formed between the concrete slab and the flooring material. It is possible to adopt this structure.

[0004] If an inverted beam structure is adopted in an apartment complex as described above, a large volume of under-floor space can be secured, so that the under-floor space can be used to arrange piping for water supply or hot water supply.

An object of the present invention is to provide a rational underfloor piping structure that effectively utilizes the underfloor space of a building such as an apartment complex.

[0006]

[Means for Solving the Problems] In order to achieve the above-mentioned object, the present invention provides reverse beams projecting from the upper surface of a horizontal frame that partitions a building into upper and lower floors, and a large drawer constructed between the reverse beams. In a building in which an underfloor space is formed between the flooring material and the horizontal frame by supporting the flooring material on the upper surface, a header is provided in the underfloor space, and the header and the water faucet are connected with a flexible pipe. is the first feature.

[0007] In addition to the above-mentioned first feature, the present invention also has a second feature that the flexible tube is supported along the side surface of the main drawer.
The characteristics of

[0008]

Embodiments Hereinafter, embodiments of the present invention will be explained based on the drawings.

As shown in FIG. 1, this housing complex consists of a plurality of floors partitioned vertically by connecting a plurality of horizontal concrete slabs 1 with columns 2 and external walls 3, and each floor has partitions. A plurality of rooms are partitioned by walls 4. Large beams 6 are integrally formed on the upper surface of each concrete slab 1 so as to surround the periphery of the room, and small beams 7 whose height and width are smaller than the large beams 6 are integrally formed inside these large beams 6. . On the upper surfaces of the large beams 6 and the small beams 7, large joists 8 made of steel and joists 9 made of wood are supported in a grid pattern, and flooring 10 is laid on top of them. Between the concrete slab 1 and the floor material 10, an under-floor space 11 is formed with a height corresponding to the structure of the large beams 6 and small beams 7, and this under-floor space 11 is used to install a header box 12.
and a water heater 13 are provided.

That is, as is clear from FIG. 2, in the underfloor space 11 near the water area where the toilet bowl 14, bathtub 15, washstand 16, etc. are installed, there is a header box 12 made of a rectangular frame. will be provided. A water supply header 17 and a hot water supply header 18 are housed in the header box 12 so as to be parallel to each other, and a main water supply pipe 19 is branched into two.
One end is directly connected to the water supply header 17, and the other end of the main water supply pipe 19 is connected to the water heater 13 installed adjacent to the header box 12.
A main water supply pipe 20 extending from the main water supply pipe 20 is connected to the hot water supply header 18.

Four water supply pipes P1 to P4 connected to the four joints 21 of the water supply header 17 extend outside from the header box 12, and the first water supply pipe P1 connects to the toilet bowl 1.
4 tank 141, and the second water supply pipe P2 is connected to the bathtub 15.
The third water supply pipe P3 is connected to the faucet 151 of the washstand 16, and the fourth water supply pipe P4 is connected to the faucet of the kitchen sink (not shown). On the other hand, among the three hot water pipes P5 to P7 connected to the three joints 22 of the hot water header 18, the first hot water pipe P5 is connected to the faucet 151 of the bathtub 15, and the second hot water pipe P6 is connected to the sink. The third hot water supply pipe P7 is connected to the faucet 161 of the stand 16 and a faucet of the kitchen sink (not shown). A part of the flooring 10 is provided with a maintenance port 101 that can be freely opened and closed, and by entering the underfloor space 11 through this maintenance port 101, a worker can access the water heater 13, both headers 17 and 18, and the water supply pipes. P1 to P4, hot water pipe P5
~P7 etc. are designed to be easy to maintain and update.

[0012] The water supply pipes P1 to P4 and the hot water supply pipe P
5 to P7 are composed of flexible tubes P made of synthetic resin and reinforced with metal. That is, as shown in FIG.
It has a triple structure in which an intermediate layer 24 made of an aluminum alloy is laminated on the outside of an inner layer 23 made of cross-linked polyethylene, and an outer layer 25 made of cross-linked polyethylene is further laminated on the outside of the intermediate layer 24. It can be bent into the shape of By using such a flexible pipe P, it is possible to complete piping construction by simply connecting one end to the headers 17, 18 and the other end to the faucet 151, 161, etc. Water leakage can be prevented. Moreover, the flexible tube P
Not only does it have excellent durability against electrochemical corrosion and corrosion due to water quality, it also has durability against high temperatures and pressures, and has low thermal conductivity, so it has excellent heat retention properties.

FIG. 3 shows, as an example, the piping state of the water supply pipe P3 and the hot water supply pipe P6 that connect the water supply header 17 and the hot water supply header 18 to the faucet 161 of the washbasin 16. The pipe P6 is supported by synthetic resin pipe holders 26 along both sides of the main drawer 8. That is, the main support portions 271 of the mounting bracket 27 are attached to the bolts 28 on both sides of the main draw 8.
The joist support portion 27 of the mounting bracket 27 is fixed at
The joist 9 is fitted into the joist 2 and fixed with a bolt 29. As is clear from FIG. 4, the pipe holder 26 for supporting the water supply pipe P3 and the hot water supply pipe P6 along the main drawer 8 has an arcuate shape on the front side and the back side of the substrate 261, respectively. A holding piece 262 and an anchor-shaped fixing claw 263 are integrally formed, and the fixing claw 2
63 is inserted into the mounting hole 81 made on the side of the main drawer 8 and fixed, and the water supply pipe P is inserted between the holding piece 312.
3 or configured to fit and hold the hot water supply pipe P6. At this time, the water supply pipe P3 or the hot water supply pipe P3 is arranged at a position lower than the lower surface of the joist 9 in order to avoid interference with the joist 9 supported perpendicularly to the drawer 8.

Furthermore, the tank 141 of the toilet bowl 14 and the bathtub 15
water faucet 151, and water supply pipes P1, P2, P4 and hot water supply pipe P5, which are connected to the kitchen sink faucet.
P7 are also supported by the pipe holder 26 along the side surfaces of the main drawers 8 in the same manner as described above.

[0015] Thus, the concrete slab 1 and the flooring material 10
The header box 1 is installed in the underfloor space 11 formed between the
2 and water heater 13, the dead space of the building can be used effectively without constricting the living space. Moreover, the water supply pipes P1 to P4 extending from the header box 12 and the hot water supply pipes P5 to P7 are 8
are supported along the sides of the water supply pipes P1.
~P4 and hot water supply pipes P5 to P7 can be arranged compactly and easily, and the underfloor space 11 can be used more effectively.

Although the embodiments of the present invention have been described in detail above, the present invention is not limited to the above-mentioned embodiments, and various small design changes may be made without departing from the scope of the present invention as set forth in the claims. It is possible to do so.

For example, the present invention is applicable not only to apartment buildings but also to other buildings such as office buildings and hotels.

[0018]

As described above, according to the first feature of the present invention, a flooring material is supported by a reverse beam protruding from the upper surface of a horizontal framework via a pulley, and the flooring material and the horizontal framework are supported. Since the header is disposed in the underfloor space formed between the two, there is no inconvenience that the living space is narrowed due to the provision of the header. Moreover, since the header and the faucet are connected with a flexible pipe, not only is the piping layout more compact and construction easier, but there is also no risk of water leaking from the middle of the piping. This enables even more effective use of the underfloor space.

Further, according to the second feature of the present invention, since the flexible pipe is supported along the side surface of the main drawer, not only can the underfloor space be used more widely, but also the flexible pipe in the underfloor space can be used more widely. The handling becomes easier.

[Brief explanation of the drawing]

[Figure 1] Longitudinal cross-sectional view of an apartment complex

[Fig. 2] An enlarged perspective view of the main part of Fig. 1

[Figure 3] Cross-sectional view taken along line 3-3 in Figure 2

[Figure 4] Enlarged perspective view of pipe holder

[Explanation of symbols]

1 Concrete slab (horizontal frame) 6
Large beam (reverse beam) 7 Small beam (reverse beam) 8 Large puller 10 Floor material 11 Underfloor space 151 Faucet 161 Faucet 17 Water supply header (header) 18
Hot water supply header (header) P flexible pipe

Claims (2)

[Claims] [Claim 1] Reverse beams (6, 7) are provided protruding from the top surface of a horizontal frame (1) that partitions a building into upper and lower floors, and
, 7) By supporting the flooring (10) on the upper surface of the large pulley (8) installed between the flooring (10) and the horizontal frame (1)
In a building in which an underfloor space (11) is formed between, a header (17, 18) is arranged in the underfloor space (11),
These headers (17, 18) and faucets (151, 161)
) is connected to the underfloor piping structure of a building by a flexible pipe (P). 2. The underfloor piping structure for a building according to claim 1, wherein the flexible pipe (P) is supported along a side surface of the main pipe (8).