JP2003301488A - Piping system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a piping system capable of preventing the increase of damage resulting from a water leak in the case the water leak occurs and, at the same time, immediately finding the occurrence of the water leak by a resident in a sleeve piping header system. <P>SOLUTION: Distribution headers 3 of water supply/hot water supply piping are stored in a box 10 having at least the water-tight bottom. A plurality of through-holes 12a and 12b passing through soft pipes 21 and 22 connected to the headers 3 are bored in the sides of the box 10. Sleeve pipes 41 are connected to the outsides of the through-holes 12a and 12b in a water-tight state, and the soft pipes 21 and 22 connected to the headers 3 are inserted in the sleeve pipes 41. A drain pipe 23 is connected to the box 10. <P>COPYRIGHT: (C)2004,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a piping system having a function of preventing water leakage in a pod header construction method for water supply / hot water supply piping.

[0002]

2. Description of the Related Art In recent years, as a water supply / hot water supply piping system in an apartment or the like, a sheath pipe header construction method in which a header 105 is provided for each dwelling unit is widely used as shown in FIG. This sheath pipe header construction method is a header construction method in which the water supply main pipe 102 and the hot water supply main pipe 103 are respectively connected to the header 105, and the branch pipes 104 branched from the header 105 are connected to the faucets of each water supply facility 107 in a one-to-one correspondence. Is. Further, the main pipes 102 and 103 and the branch pipe 104 are piped through a flexible sheath pipe 106 laid in advance under the floor or in the wall of the building. According to this construction method, since the connecting portion is only the header portion and the water faucet portion, the water leakage rate can be suppressed, and the flow rate change during simultaneous use of the water supply facility 107 is small, and stable water supply or hot water supply is possible. Become. Further, since the sheath pipe 106 is laid in advance, the construction is easy, and there is an advantage that even when the pipe is renewed, the floor or wall containing the pipe can be easily replaced without disassembling.

[0003]

However, even with the above-mentioned sheath pipe header construction method, if there is a construction failure at the connection point, water leakage will occur. In the sheath pipe header construction method, if water leaks from any of the connection points, the leaked water once flows in the sheath pipe, so that damage to the downstairs due to water leakage does not occur immediately. On the other hand, since the residents cannot immediately know the occurrence of water leakage, there was a problem that the occurrence of water leakage would not be known until the damage became serious.

The present invention has been made in view of the above circumstances. In the sheath pipe header construction method, even if water leaks, the damage caused by the water leak can be prevented from spreading and the occupants can immediately leak water. The purpose is to provide a piping system that can know the occurrence.

[0005]

In order to achieve the above-mentioned object, the present invention has a header for distribution of water supply / hot water supply pipes housed in a box having at least a bottom formed in a watertight manner. Is provided with a plurality of through holes through which the flexible pipe connected to the header penetrates, the sheath pipe is watertightly connected to the outside of these through holes, and the flexible pipe connected to the header is connected through the through holes. It is characterized in that it is inserted into a sheath pipe and a drain pipe is connected to the box.

According to the present invention, even if a leak occurs, the leaked water can be kept in the box, and the water accumulated in the box for a certain amount or more can be drained through the drain pipe. .

In the present invention, it is desirable to fit a sealing member in the unused through hole. According to this
When a water leak occurs, it is possible to prevent the water from flowing out of the box and prevent the intrusion of earth and sand and harmful insects into the box on a daily basis.

Further, a water leak detecting means for detecting the occurrence of water leak may be provided in the box. According to this
When a water leak occurs, the residents can be immediately notified of the water leak and the damage can be prevented from spreading.

Further, at the connecting portion between the flexible pipe and the pipe on the equipment side for water / hot water supply, one may cover the entire connecting portion and the other may be provided with a joint cover member fitted into the sheath pipe. Good. According to this, when water leaks from the connection portion, the leaked water can be guided into the pod and the watertightness of the connection portion can be enhanced.

[0010]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of a piping system according to the present invention will be described below with reference to the drawings.

1 to 5 show an embodiment of the present invention. FIG. 1 is a perspective view of a piping system 1 according to the present invention, in which a distribution header 3 for water supply / hot water supply piping is housed in a box 10 at least having a bottom formed in a watertight manner. The header 3 is the header mount 1 in the box 10.
1 and is held horizontally. Header stand 1
1 is attached via a screw hole 111 provided at the bottom of the box 10. Further, the header 3 has a main pipe connecting portion 31 formed at an end portion in the longitudinal direction and a branch connecting portion 32 formed on a side surface.

As shown in FIG. 2, through holes for inserting the main pipe 21 and the branch pipe 22 connected to the header 3 are provided on the side surface of the box 10 at a plurality of positions. In the illustrated embodiment, as the through holes, there are provided four main pipe through holes 12a through which the main pipes 21 for water supply or hot water supply pass, and a plurality of branch pipe through holes 12b through which the branch pipes 22 branched by the header 3 pass. Two main pipe through holes 12a are formed on each of two opposing side surfaces of the box 10. Further, the branch pipe through hole 12b is formed at the height position of two steps of height on the other side surface of the box 10. Further, at the four corners of the bottom of the box 10, legs 13 having fixing screw holes 131 are provided.

A sheath pipe 41 is watertightly connected to the outside of the through holes 12a and 12b. To connect the sheath pipe 41, for example, a hose joint member 5 as shown in FIG. 3 is used. In the joint member 5 of the example, a substantially cylindrical socket 51 fitted in the through holes 12a and 12b is fixed from the inside of the box 10 by a fixing nut 53 and a packing 54, and a socket 51 from the outside of the box 10. 51
The tightening nut 52 is fastened to. Sheath tube 41
Is fitted into the socket 51 through the O-ring 42, and the tightening nut 52 is tightened so that the through holes 12a, 12
It is watertightly connected to b.

Further, the box 10 is provided with a drainage port 14, and the sheath pipe 41 is connected to the drainage port 14 via the joint member 5.
And the drain pipe 23 is connected. The other end of the drainage pipe 23 is preferably connected to a drainage main pipe 24 such as a laundry drainage pipe or a kitchen drainage pipe.

Main pipe 21 and branch pipe 2 connected to the header
For 2, a flexible tube made of a flexible material such as cross-linked polyethylene or polybutene is used. Main pipe 2
1 is any of the main pipe through holes 1 formed at appropriate positions
It is drawn into the box 10 from 2a and is connected to the main pipe connecting portion 31 of the header 3 by using a pipe joint 33. Branch pipe 2
2 also uses the pipe joint 33 to make a branch connection 32 of the header 3.
Branch pipe through hole 12b connected to the
It is inserted into the sheath tube 41 via.

A sealing member 15 is fitted in the main pipe through hole 12a and the branch pipe through hole 12b which are not used for drawing in the main pipe 21 or the branch pipe 22. As shown in FIG. 4, the sealing member 15 is made of an elastic material such as rubber and seals the through holes 12a and 12b. Further, after the header 3 is connected to the main pipe 21 and the branch pipe 22, a lid (not shown) is put on the upper part of the box 10.

Further, the box 10 is provided with a water leak detector 16 as a water leak detecting means for detecting the occurrence of water leak (see FIG. 1). The water leak detector 16 is a box 1
It is installed at the bottom of No. 0, and when a water leak occurs, it detects the water in the box 10 and sends a water leak signal to an alarm device installed in the living room.

Further, a joint cover member 17 as shown in FIG. 5 is attached to the connecting portion between the pipe 6 and the branch pipe 22 on the equipment side for supplying water and hot water. The joint cover member 17 covers the periphery of the connecting portion between the pipe 6 and the branch pipe 22, and the lower end portion is inserted into the sheath pipe 41 to prevent water leakage generated at the connecting portion between the pipe 6 and the branch pipe 22. It leads into the sheath 41.

Piping system 1 constructed as described above
Is a water-tight connection of the sheath pipe to the through holes 12a and 12b of the box 10, and the through holes 12 that are not used.
Since the sealing member 15 is fitted to the a and 12b, the box 10 is completely watertight. Further, leakage of water at the connection between the pipe 6 on the equipment side and the branch pipe 22 for water / hot water supply is guided into the sheath pipe 41 via the joint cover member 17 and collected in the box 10. Therefore, in the piping system 1, even if water leaks, it is possible to keep the leaked water in the box 10 and prevent the water from leaking downstairs. In addition, the water accumulated in the box 10 above a certain level,
The water can be drained through the drain pipe 23, and the occurrence of such water leakage can be notified to the occupant by the water leakage detector 16, so that the water leakage can be dealt with before the damage spreads.

[0020]

As described above, in the piping system according to the present invention, the distribution header of the water supply / hot water supply piping is housed in a box at least the bottom of which is formed in a watertight manner. A plurality of through holes through which the flexible pipe connected to the header passes is provided. In addition, a flexible pipe connected to the header is inserted through the through hole into the sheath pipe watertightly connected to the outside of these through holes, and a drain pipe is connected to the box. In addition, a sealing member is fitted into the unused through hole. With this configuration, even if water should leak at the connection between the header and the flexible pipe, the water leakage can be completely stopped in the box, and the water accumulated in the box above a certain level It can be drained via a drain.

Further, since the box is provided with a water leakage detecting means for detecting the water leakage, it is possible to immediately notify the resident of the water leakage and prevent the damage from spreading due to the water leakage.

Further, since a joint cover member is provided at a connecting portion between the flexible pipe and the pipe on the equipment side for supplying water / hot water, leakage water from this connecting portion is guided into the box through the sheath pipe. It is possible to prevent damage to the downstairs due to water leakage.

[Brief description of drawings]

FIG. 1 is a perspective view of a piping system according to the present invention.

FIG. 2 is a perspective view of the box according to the embodiment of the present invention.

FIG. 3 is a partial cross-sectional view showing a through hole according to the embodiment of the present invention.

FIG. 4 is a partial cross-sectional view showing a sealing member according to the embodiment of the present invention.

FIG. 5 is a sectional view of the cover member according to the embodiment of the present invention.

FIG. 6 is a perspective view showing a schematic configuration of a sheath pipe header construction method which has been generally adopted conventionally.

[Explanation of symbols]

1 Piping system 10 boxes 12a Main pipe through hole 12b Branch pipe through hole 15 Sealing member 16 Water leak detector (water leak detection means) 17 Joint cover member 41 sheath tube 21 Main pipe (flexible pipe) 22 Branch pipe (flexible pipe) 23 Drainage pipe 24 Main drainage 3 header

Claims (4)

[Claims] 1. A distribution header for water and hot water supply pipes is housed in a box having at least a bottom formed in a watertight manner, and a plurality of through holes through which a flexible pipe connected to the header penetrates are provided on a side surface of the box. Is provided, the pods are watertightly connected to the outside of these through holes, the flexible pipe connected to the header is inserted into the pods through the through holes, and the drain pipe is connected to the box. A piping system characterized by that. 2. The piping system according to claim 1, wherein a sealing member is fitted in the unused through hole. 3. The piping system according to claim 1, wherein the box is provided with water leakage detection means for detecting the occurrence of water leakage. 4. A connecting portion between a pipe on the equipment side for supplying water and hot water and the flexible pipe is provided with a joint cover member, one of which covers the entire connecting portion and the other of which is fitted into the sheath. The piping system according to any one of claims 1 to 3, wherein: