JP2001140296A - Header-type water supply/hot water supply piping for apartment house - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide the header-type water supply/hot water supply piping of an apartment house for reducing the total extension of piping and has improved economy and execution property even if hot-water supply equipment for an upper-floor dwelling house installed at a first-floor dwelling house. SOLUTION: In an apartment house where facilities regarding water are provided for each housing, a main water supply pipe 2 and a main hot water supply pipe 20 being separately guided to each dwelling house are branched to a plurality of branch pipes 4, 22,... via headers 3 and 21 being installed for each dwelling house, are connected to the corresponding facilities regarding water, and at the same time a sub header 46 for an upper-floor dwelling house is installed at a first-floor dwelling house to supply water to hot-water supply equipment 10 for an upper-floor dwelling house being provided at the first-floor house, and the sub header 46 is included at the upstream side than the headers 3 and 21 at the main water supply pipe 2 for the upper-floor house, and the branch pipes 4, 22,... being branched from the sub header 46 are connected to the hot-water supply equipment 10 for the upper-floor house.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a header type water supply / hot water supply pipe suitable for an apartment house.

[0002]

2. Description of the Related Art Conventionally, a housing adopting a fork branching method in which a branch pipe sequentially branched in a branch from a main water supply pipe or a main hot water supply pipe via a joint is connected to a faucet of each water circulating facility. There are known water supply and hot water supply pipes. However, in such a forked branch method, there are inconveniences such as a large number of connection points, a high occurrence of water leakage due to poor construction, and a large change in flow rate when the water plumbing equipment is used at the same time.

[0003] In recent years, a water supply method using a header method has been adopted, in which a main water supply pipe or a branch pipe branched from a main hot water supply pipe through a header in an octopus-like manner is connected one-to-one to a water faucet of each water circulating facility.・ Hot water supply piping is becoming widespread. In such a header method, compared with the fork branch method, the number of connection points is small and water leakage due to poor construction can be significantly suppressed, and the flow rate change is small when simultaneous use of water circulating equipment, stable water supply, Hot water is available.

[0004]

When a water supply / hot water supply pipe adopting the above header method is to be constructed in an apartment house where a plurality of dwelling units are assembled, a header is installed for each dwelling unit and each dwelling unit is provided with a header. Is divided into a plurality of branch pipes via a header, and these branch pipes are connected to respective water supply facilities of each dwelling unit.
However, when the water heater is a wall-mounted type, the water heater for the upper-floor dwelling unit may be attached to the outer wall surface of the first-floor dwelling unit in consideration of ease of maintenance.
The branch pipe branched from the water supply header of the upper-floor dwelling unit is routed to the first-floor dwelling unit and connected to the water heater, and the main hot-water supply pipe from the water heater is routed again from the first-floor dwelling unit to the upper-floor dwelling unit and connected to the hot-water header. I had to. For this reason, the total length of the piping is long and the piping is complicated, resulting in poor economy and workability.

In view of the above, the present invention has been made in consideration of the above, and even when a water heater for a high-floor dwelling unit is installed in a first-floor dwelling unit, the present invention provides an economical and construction-friendly apartment house that can keep the total length of piping short. It is intended to provide a header type water supply / hot water supply pipe.

[0006]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention relates to a main water supply pipe and a main hot water supply pipe separately led to each dwelling unit in an apartment house provided with a water circulating facility for each dwelling unit. , Branch into a plurality of branch pipes via the headers installed for each dwelling unit, connect these branch pipes to the corresponding water supply facilities, and supply water to the water heater for upper-floor dwelling units provided on the first floor dwelling units. In order to do so, a sub-header for the upper-floor dwelling unit is installed on the first-floor dwelling unit, and this sub-header is interposed upstream of the header in the main water supply pipe for the upper-floor dwelling unit, and a branch pipe branched from the sub-header Is connected to a water heater for dwelling units on upper floors.

[0007] Each header is installed under the floor of each dwelling unit, and the main water supply pipe, the main hot water supply pipe, and each branch pipe are routed under the floor. In addition, each header is installed under the floor at a location where water-related facilities such as utilities in each dwelling unit are concentrated.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below in detail with reference to the drawings. FIG. 1 is a schematic diagram showing a water supply pipe of a header type water supply / hot water supply pipe of an apartment house according to an embodiment of the present invention, FIG. 2 is a schematic view of the header type water supply / hot water supply pipe, and FIG. FIG. 4 is a perspective view showing an installation state of a water supply header in a first-floor dwelling unit, FIG. 5 is a longitudinal sectional view of a main pipe and a branch pipe,
FIG. 6 is a perspective view showing an installation state of a water supply header in a second-floor dwelling unit.

A header type water supply / hot water supply pipe of an apartment house according to an embodiment of the present invention is, as shown in FIGS.
Each dwelling unit has a different system.

In the dwelling unit on the first floor, as shown in FIGS. 2 and 3, the main water supply pipe (2) led to the underfloor space (1) on the first floor.
However, in the underfloor space (1) on the first floor, water supply headers are installed under the utility floor, especially where water facilities are concentrated.
Connected to (3).

From the water supply header (3), a plurality of branch water supply pipes (4) (4) are branched in an octopus-like manner, and these branch water supply pipes (4) (4). By inserting the sleeve hole for exclusive use of the pipe of the foundation in 1), the water heater (10) attached to the outer surface of the building outer wall (9), the kitchen sink (1)
1), toilet (12), washing machine (13), unit bath (14), wash basin (1
They are connected to the faucets of the corresponding water-floor facilities on the first floor, such as 5), through almost the shortest route.

Also, a space under the floor (1) from the water heater (10) to the first floor
The main hot water supply pipe (20) led to the water supply header (21) installed under the floor of the utility where the water supply facilities are concentrated especially in the underfloor space (1) on the first floor.

From the hot water supply header (21), a plurality of branch hot water supply pipes (22) (22) are branched in an octopus foot shape, and these branch hot water supply pipes (22) (22). (4) Underfloor space like (4)…
It is routed in (1) and connected to the faucets of the corresponding water-supply facilities such as the kitchen sink (11), the unit bath (14), and the washbasin (15) through almost the shortest path. Therefore, each branch pipe (4) from the header (3) (21) to the water plumbing equipment
(22) ... The length is shortened, which shortens the total pipe length.

The main water supply pipe (2) is connected to a water meter (23) installed outdoors. Also, each header on the first floor
As shown in FIG. 4, (3) and (21) are fixed to earth concrete (33) via fixing members (32) and (32) including leg members (30) and holding members (31). Furthermore, each header (3) (2
The main pipes (2) and (20) connected to 1) and the respective branch pipes (4) (22) ...
As shown in FIG. 5, a flexible resin pipe is formed by covering an inner pipe (40) made of cross-linked polyethylene or polybutene with an outer pipe (41) made of foamed polyethylene having a heat retaining function. It has been.

In the dwelling units on the second floor, the headers (3) and (21) for water supply and hot water supply are installed under the floor of the utility where the water supply facilities are concentrated especially in the underfloor space (45) on the second floor,
The main pipes (2) and (20) and the branch pipes (4) and (22) ...
It is routed in 5) and connected to the corresponding water facilities. The water heater (10) for the second-floor dwelling unit is mounted on the outer wall (9) of the first-floor dwelling unit in consideration of ease of maintenance. For this reason, water heater for 10th floor dwelling units (10)
In order to supply water to the sub-floor space (1) of the first-floor dwelling unit, a sub-water supply header (46) for the second-floor dwelling unit is installed, and this sub-water supply header (46) is supplied to the main water pipe (2). Interposed upstream of the header for water supply (3), and
The branch pipe (47) branched from 6) is connected to the water heater (10) for the dwelling unit on the second floor, and the main hot water pipe (20) from the water heater (10) is installed in the dwelling unit on the second floor. Connect to 21). As a result, the total pipe length is shorter than when the branch water supply pipe branched from the water supply header (3) installed on the second-floor dwelling unit to the water heater (10) installed on the first-floor dwelling unit as before. Can be suppressed.

The headers (3) and (21) on the second floor are shown in FIG.
As shown in the figure, the floor material (5
0), and the other parts have the same piping structure as the first-floor dwelling unit.

The present invention is not limited to the above embodiment, and it goes without saying that many modifications and changes can be made to the above embodiment within the scope of the present invention.

[0018]

As is apparent from the above description, according to the present invention, in order to supply water to the water heater for the upper-floor dwelling unit provided on the first-floor dwelling unit, the sub-header for the upper-floor dwelling unit is provided on the first-floor dwelling unit. It is installed and the branch pipe branched via the sub header before connecting the header of the main water pipe is connected to the water heater for the upper-floor dwelling unit. There is no need to route to the dwelling unit, thereby reducing the total length of the piping and improving the economy and workability.

In addition, since each header is installed under the floor of each dwelling unit and the main water supply pipe, the main hot water supply pipe, and the branch pipes are routed under the floor, piping can be easily performed. Maintenance and inspection can be performed relatively easily. Furthermore, if each header is installed under the floor at the location where the water supply equipment such as utilities in each dwelling unit is concentrated, the distance from each header to each water supply equipment, that is, the length of each branch pipe, is minimized, and piping The total extension can be further reduced.

[Brief description of the drawings]

FIG. 1 is a schematic diagram showing a water supply pipe in a header type water supply / hot water supply pipe of an apartment house according to an embodiment of the present invention.

FIG. 2 is a schematic diagram of a header type water supply / hot water supply pipe.

FIG. 3 is a perspective view showing piping in a first-floor dwelling unit.

FIG. 4 is a perspective view showing an installation state of a water supply header in a first-floor dwelling unit.

FIG. 5 is a longitudinal sectional view of a main pipe and a branch pipe.

FIG. 6 is a perspective view showing an installation state of a water supply header in a second-floor dwelling unit.

[Explanation of symbols]

 (1) (45) Underfloor space (2) Main water supply pipe (20) Main water supply pipe (3) (21) Header (4) (22) Branch pipe (10) Water heater (46) Sub header (47) Sub header Branch pipe branching from

Claims (3)

[Claims] Claims: 1. In a condominium in which a dwelling unit is provided for each dwelling unit, a main water pipe or a main hot water pipe separately led to each dwelling unit is connected to a plurality of branch pipes via a header installed for each dwelling unit. And connect these branch pipes to the corresponding water plumbing facilities, respectively, and add a sub-header for the upper floor dwelling unit to the first floor dwelling unit in order to supply water to the upper floor dwelling unit water heater provided in the first floor dwelling unit. Installation, this sub-header was interposed upstream of the header in the main water supply pipe for the upper floor dwelling unit, and the branch pipe branched from this sub-header was connected to the water heater for the upper floor dwelling unit. A distinctive feature is a header-type water supply / hot water supply pipe for an apartment house. 2. A header type water supply / hot water supply system for an apartment house according to claim 1, wherein each header is installed under the floor in each dwelling unit, and the main water supply pipe, the main hot water supply pipe, and each branch pipe are routed under the floor. Piping. 3. The header-type water supply / supply system for an apartment house according to claim 2, wherein each header is installed under the floor at a location where a water supply facility such as a utility is concentrated in each dwelling unit.
Hot water supply piping.