JP2001059244A - Leakage preventive device in piping connecting structure of faucet - Google Patents

Abstract

PROBLEM TO BE SOLVED: To minimize damage in the case of the generation of a leakage of water from a piping connecting section in the piping connecting structure of a faucet by a header piping conducting piping to the faucet for a bathroom, a sink, a wash stand or the like in a residence. SOLUTION: In the piping connecting structure of the faucet in which headers 6, 7 for hot water and water and the faucet 2 installed to a bathroom, a sink, a wash stand 1 or the like in a residence are connected by a large number of water conveyance pipes 11 disposed under a floor, leakage detectors 27 are mounted detachably to at least one lower sections in connecting section with the heaters 6, 7 and connecting sections with the faucet 2 in the water conveyance pipes 11. The leakage detectors 27 form water collecting chambers 31, into which hot water is poured first, and water storage chambers 32, into which hot water overflowing over the water collecting chambers 31 is poured, and sensors 34 for detecting a leakage of water or transmitters are fitted to the water storage chambers 32.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a faucet piping connection structure using header piping for piping to faucets such as bathrooms, sinks, and washstands in houses, and to a structure for preventing water leakage from a piping connection portion. Things.

[0002]

2. Description of the Related Art Conventionally, as shown in FIG. 4, a hot water supply header 37 for supplying hot water and a water supply header 38 for supplying water,
The pipe connection structure of the faucet 42 attached to the top plate 41 of the bathroom, sink or wash basin 40 is such that a bellows-shaped sheath tube 44 connected to each of the headers 37 and 38 is provided under the floor, and a polyethylene tube is provided later. The water pipe 45 formed of a synthetic resin such as
4 and rises into the cabinet 43. A joint 46 is attached to the tip of a water pipe 45, and a faucet 42 is connected to a tip of a connecting pipe 47 for introducing hot water and water. The connecting member 48 and the joint 46 are connected by a tool, and the other end of the water pipe 45 is connected to each header 37,
38 is connected to a branch pipe section 39.

[0003] In the above-mentioned method, it is necessary to tighten the work with a tool such as a spanner to connect the water pipe inserted into the sheath pipe to the connecting pipe of the faucet and the branch pipe of the header. The interior is narrow and work in an unreasonable posture is not possible, so the workability is poor, tools cannot be operated well, and there is a risk of water leakage due to insufficient tightening or construction mistakes. If water leaks could not be found visually, floors would be flooded and the loss of buildings would increase.

[0004]

SUMMARY OF THE INVENTION The problem to be solved by the present invention is to provide a pipe connection structure for a faucet with a header pipe for piping to a faucet such as a bathroom, a sink, and a washstand in a house. The purpose is to minimize damage in the event of water leakage from the part.

[0005]

According to the present invention, there is provided a water leakage prevention device in a water faucet pipe connection structure according to the first aspect of the present invention. , A faucet connection structure for connecting a faucet attached to a sink, a sink, or the like, wherein the water pipe is provided at a lower portion of at least one of a connection portion with the header and a connection portion with the faucet,
The water leak detector is detachably mounted.

According to a second aspect of the present invention, in the water leakage prevention device for a water faucet piping connection structure, the water leakage detector forms a water storage chamber into which hot water is first injected and a water storage chamber into which hot water overflowing the water storage chamber is injected. Then, a sensor or transmitter for detecting water leakage is attached to the water storage chamber.

According to a third aspect of the present invention, the water leak detector transmits a detection signal from a sensor or a transmitter to an alarm device, and the alarm device detects water leakage by an alarm sound or a lamp. It is a warning.

[0008]

Embodiments of the present invention will be described below in detail with reference to the drawings. The present invention, as shown in FIG.
A water faucet 2 is attached to a wash basin 1 or a bathtub (not shown) or a sink (not shown) disposed at a predetermined position in the house so that hot water can be spouted. Water heater 4
And a hot water supply header 6 for supplying hot water to the faucet 2 by distributing hot water to the plurality of branch portions 8, and a water supply source and a water supply pipe 9 to connect water to the plurality of branch portions 8. The water supply header 7 which is distributed to the faucet 2 and is connected to the hot water side and the water side of the faucet 2 is connected to the bellows-shaped sheath pipes 10 and 10 beforehand under the floor.
The water pipes 11, 11 which are provided on the back of the wall and are made of a synthetic resin such as a polyethylene pipe which can be easily bent later are connected to the sheath pipes 10, 11.
10 and the distal ends of the water pipes 11 are connected to the sheath pipe 1.
It is connected to each of the connecting parts 13 and 13 which are exposed from 0 and 10 and protrude below the faucet 2.

As shown in FIG. 2, the wash basin 1 has a rear surface provided along a wall 14 and a faucet 2 comprising a hot-water mixing faucet.
A top plate 15 to which the faucet 2 is attached;
And a wash bowl 18 fixed to the front of the top plate 15. A drain 19 is provided at the bottom of the wash bowl 18, and a drain pipe 20 installed inside the cabinet 17 is provided. Hot water stored in the wash bowl 18 is discharged to the outside.

A water pipe 11 for hot and cold water is covered by a bellows-shaped sheath pipe 10 under the floor 21 to be protected from the outside, and the downstream side is bent vertically into the cabinet 17 so as to be bent. The joint part 12 is attached to the distal end through a fixing member 23 attached to an insertion hole 22 penetrating through 21.

The faucet 2 has a male screw 3 extending downward.
Into the mounting hole 16 formed in the top plate 15 from above,
Fixing nut 2 from inside the cabinet 17 under the top plate 15
4 is fixed to the top plate 15 by screwing it to the male screw portion 3. The lower portion of the male screw portion 3 can be easily bent such as resin or rubber and is made of a material having excellent pressure resistance and heat resistance. A connecting pipe 13 for introducing hot water and water is connected.

A connecting member 25 is fixed to the lower end of the connecting pipe 13, and the connecting part 25 of the connecting member 25 and the water pipe 11 is fixed.
2 is connected by a tool via a separately prepared nipple 26, and a water leak detector 27 is mounted below this connection.

The water leak detector 27 can be removably mounted at the end of the water pipe 11 below the connection with the headers 6 and 7 and the connection with the faucet 2. The water pipe 11 can be once removed from the branch portion 8, or the joint portion 12 connected to the faucet 2 can be once removed and then attached. As shown in FIG.
8 is formed in a cylindrical, annular inner peripheral wall 29.
A water reservoir chamber 31 is formed between the inner peripheral wall 29 and the annular inner cylinder 30 rising upward at the center to temporarily inject hot water that falls along the water pipe 11 from the connection portion. Hot water that overflows from the inner cylinder 30 when the chamber 31 is full is stored in an annular water storage chamber 32.

In the water storage chamber 32, a sensor 34 for outputting a detection signal when hot water is present is attached to the bottom 33. The sensor 34 is an alarm 36 attached to the wash basin 1 or an arbitrary position in the room. When the hot water is present in the water storage chamber 32, the alarm signal is sounded by the alarm device 36 according to the detection signal of the sensor 34, or the lamp blinks to notify the occupant that a water leak is occurring. I have to. Note that a wireless type transmitter that does not use a code may be attached to the bottom 33 of the water storage chamber 32 instead of the sensor, and the signal may be transmitted to the receiver of the alarm device. Also,
A shutoff valve may be attached to a hot water supply pipe or a water supply pipe in front of the header, and the shutoff valve may be closed by a detection signal of a sensor.

In the above configuration, when water leakage occurs at the connection between the water pipe 11 and the faucet 2 or the headers 6 and 7, the water leaks down the water pipe 11 and falls into the water reservoir 31 of the water leak detector 27. In this case, if the water falling into the water storage chamber 31 is dew condensation water generated on the pipe surface during a cold season such as the rainy season or winter, the water level of the water storage chamber 31 does not rise so much, so that the water is installed in the water storage chamber 32. Sensor 3
4 does not sense the dew condensation water, but when water leakage occurs, the water level in the water storage chamber 31 rises, overflows the inner cylinder 30 and reaches the water storage chamber 32.

A sensor 34 for detecting the presence of hot water is attached to the bottom 33 of the water storage chamber 32. The sensor 34 sends a detection signal to an alarm 36,
Notifies the occupants of the occurrence of water leakage by an alarm sound or a lamp.

[0017]

According to the present invention, a pipe connection of a faucet for connecting a hot water / water header to a faucet attached to a bathroom, a sink, a wash basin, etc. in a house by a number of water pipes arranged under the floor. In the structure, the water pipe has a water leak detector detachably attached to at least one of the lower part of the connection part with the header and the connection part with the faucet, so that leakage from the connection part cannot be found visually. Can be reliably detected by the water leak detector, and damage caused by water leak can be minimized.

Further, the water leak detector can be retrofitted to an existing water pipe, the conventional one can be used as it is, it is economical, and maintenance and cleaning can be easily performed.

Further, the water leak detector has a water reservoir into which the hot water is first poured and a water reservoir into which the hot water overflowing the water reservoir is poured, and a sensor or a transmitter for detecting the water leakage is provided in the water reservoir. Since it is attached, a small amount of water, such as dew condensation water, is simply injected into the water reservoir, it is not determined that there is water leakage, and malfunction can be reliably prevented.

[Brief description of the drawings]

FIG. 1 is an explanatory view of a pipe connection structure of a faucet of the present invention.

FIG. 2 is an explanatory view of the inside of the washstand of FIG. 1;

FIG. 3 is an explanatory diagram of a water leak detector.

FIG. 4 is an explanatory diagram of a conventional technique.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 wash basin 2 faucet 6 header for hot water supply 7 header for water supply 11 water flow pipe 27 leak detector 31 water reservoir 32 water reservoir 34 sensor 36 alarm

Claims (3)

[Claims] 1. A large number of water pipes arranged under the floor,
In the faucet piping connection structure that connects the hot water, the header of the water and the faucet attached to the bathroom, sink, wash basin, etc. in the house,
A water leakage prevention device in a water faucet pipe connection structure, wherein a water leak detector is detachably attached to a lower part of at least one of a connection part to a header and a connection part to a water faucet. 2. The water leak detector includes a water reservoir into which hot water is first injected and a water reservoir into which hot water overflowing the water reservoir is injected, and a sensor or a transmitter for detecting water leakage in the water reservoir. 2. The device according to claim 1, wherein
A water leakage prevention device in the water faucet piping connection structure described in the above. 3. The water leak detector transmits a detection signal from a sensor or a transmitter to an alarm device, and the alarm device warns of a water leak by an alarm sound or a lamp.
Or the water leakage prevention device in the piping connection structure of the faucet according to 2.