JPH0926068A - Joint mounting structure of water faucet box - Google Patents

Abstract

PROBLEM TO BE SOLVED: To realize a complete water stop condition in a water faucet box by providing seal rings between a sheath pipe connection section and a sheath pipe in the water faucet box, between the water faucet box and a fixed ring, and between the fixed ring and a collar section of a joint. SOLUTION: A screw thread 33 of a fixed ring 3 is screw-fitted in a screw thread 141 of a cylindrical section 14 in a condition in which the fixed ring 3 is inserted into the inside of the cylindrical section 14 of a water faucet box 1. In this condition, a collar section 25 of a pipe joint 2 positioned in the water faucet box is put between a front opening 12 and the fixed ring 3 in the water faucet box 1 and is fixed. In this state, seal rings 4 are provided between an inner peripheral surface of a sheath pipe connection section 13 and an outer peripheral surface of a sheath pipe 11, between the collar section 25 of the pipe joint 2 and the fixed ring 3, and between the fixed ring 3 and the cylindrical section 14 of the water faucet box 1. Consequently, it is possible to realize a complete water stop condition in the water faucet box 1.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a joint mounting structure provided in a water faucet box.

[0002]

2. Description of the Related Art Generally, when piping a water supply pipe from a floor surface or a wall surface, a faucet box to which a sheath pipe is connected is installed under the floor or behind the wall. Then, the connecting pipe from the header is inserted into the sheath pipe, and the connecting pipe is connected to the joint arranged in the faucet box. Then, a so-called sheath pipe header type piping system is known in which a water supply pipe is piped through this joint.

Conventionally, in such a piping system, a faucet box has been proposed in which the sheath pipe and the faucet box are connected in a liquid-tight state by packing (for example, Japanese Patent Publication No. 6- 15912 publication).

Further, a fixing ring is screwed into the opening of the water faucet box facing the floor surface or the wall surface through a packing to prevent water from being flooded from the floor surface and the wall surface to the underfloor and the back wall. A waterproof structure for a water faucet box has also been proposed (see, for example, JP-A-5-79072).

[0005]

However, in the case of the above-mentioned conventional faucet box, when water leaks in the faucet box, it is impossible to completely stop the water. That is, if water leaks in the faucet box,
Through the sheath pipe, water is drained from the header part at the base end of this sheath pipe, but in the case of the above-mentioned conventional faucet box, water leaks from the opening part of the faucet box facing the floor surface or wall surface, and this faucet This will wet the floor and wall near the box.

Further, even in the case of the conventional waterproof structure of the faucet box, it is possible to prevent the infiltration of water from the floor surface and the wall surface. This causes the inconvenience that water leaks to the underfloor or the back of the wall via the screwed portion.

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a joint connection structure for a faucet box which can bring the inside of the faucet box into a completely water-stopped state.

[0008]

In order to solve the above-mentioned problems, a joint mounting structure for a faucet box according to the present invention has a sheath pipe connected to a sheath pipe connecting portion provided in the faucet box and the sheath. The joint is connected to the connection pipe inserted in the pipe,
With the flange provided on the joint abutting the opening provided on the faucet box and the joint arranged in the faucet box, a fixing ring is screwed onto the faucet box and In a fitting mounting structure for a faucet box, which is configured to clamp and hold a collar portion of the joint with the faucet box, a faucet box and a fixing ring are provided between a sheath pipe connecting portion and a sheath pipe of the faucet box. A seal ring is interposed between the fixing ring and the flange of the joint. Further, a seal ring is interposed between the sheath pipe connecting portion of the water faucet box and the sheath pipe, and between the water faucet box and the flange portion of the joint.

[0009]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 shows a state in which a water faucet box joint 2 (hereinafter, simply referred to as a pipe joint) is housed in a water faucet box 1.

That is, in this joint mounting structure of the faucet box 1, the connecting pipe 21 is inserted into the sheath pipe 11 provided in the faucet box 1, and the pipe joint 2 connected to the connecting pipe 21.
Is fixed to the faucet box 1 by the fixing ring 3, and the insides of the faucet box 1 and the sheath pipe 11 are made watertight by the seal ring 4.

The faucet box 1 includes a base material 5 and a finishing wall 6.
The housing is formed to have a width and a thickness according to the wall space S, and the front opening 12 and the sheath pipe connecting portion 13 are opened.

Of these, a cylindrical portion 14 is provided so as to protrude from the peripheral edge of the front opening 12. Then, the cylindrical portion 14 is constructed so as to match with the opening 60 formed in the finishing wall 6. Further, screw threads 141 are threaded on the inner peripheral surface of the cylindrical portion 14, and the fixing ring 3 is screwed onto the screw threads 141.

On the other hand, the sheath pipe 11 arranged from a header (not shown) is fixed to the sheath pipe connecting portion 13 by a lock pin 10. At this time, the sheath tube connecting portion 1
A seal ring 4 is provided between the inner peripheral surface of the sheath tube 3 and the outer peripheral surface of the sheath tube 11.
Is provided to connect the water faucet box 1 and the sheath pipe 11 in a watertight state.

The pipe joint 2 is formed in an elbow shape,
The connection pipe 21 is fitted onto one end of the connection pipe 21. Then, the pressing ring 22 is fixed from the outside of the connecting pipe 21 with the bolt 23, so that the pipe joint 2 and the connecting pipe 21 are connected. The other end of the pipe joint 2 is
The connecting portion 24 is formed. Then, valves and pipes (not shown) of various devices can be connected through screw threads 241 threaded on the inner peripheral surface of the connecting portion 24. Further, a collar portion 25 is provided around the base end of the connecting portion 24. Then, with the collar portion 25 in contact with the peripheral edge of the front opening portion 12 of the faucet box 1, the pipe joint 2
Can be positioned in the faucet box 1.

The fixing ring 3 has a cylindrical shape, and grooves 31 and 32 for interposing the seal ring 4 are provided on the tip and the outer peripheral surface of the tip. Further, screw threads 33 are threaded on the outer peripheral surface adjacent to the groove portion 32. Then, the fixed link 3 is screwed into the threaded portion 141 of the cylindrical portion 14 with the threaded portion 33 of the fixed ring 3 being inserted into the cylindrical portion 14 of the water faucet box 1. Then, in this state, the flange portion 25 of the pipe joint 2 positioned in the water faucet box 1 is connected to the front opening 12 of the water faucet box 1.
It will be pinched and fixed between and the fixed ring 3. Further, in this fixed state, the flange portion 25 of the pipe joint 2 and the fixed ring 3 and the fixed ring 3 and the cylindrical portion 14 of the faucet box 1 are connected in a watertight state by the seal rings 4. It will be.

Therefore, according to this mounting structure, between the inner peripheral surface of the sheath pipe connecting portion 13 and the outer peripheral surface of the sheath pipe 11, between the collar portion 25 of the pipe joint 2 and the fixing ring 3, and the fixing ring 3. The inside of the water stopper box 1 and the inside of the sheath tube 11 are completely watertight by the seal ring 4 provided between the cylinder portion 14 and the cylindrical portion 14 of the water stopper box 1. Therefore, the pipe joint 2 and the connecting pipe 21
Even if water leaks from the water, the water does not leak out of the faucet box 1, and it is possible to prevent the base material 5 and the finishing wall 6 from getting wet.
Further, when such water leakage occurs, it will flow from the faucet box 1 to the header (not shown) through the sheath pipe 11, and the occurrence of leakage can be detected by the water flow from this header.

In the above description, the seal ring 4 is provided in the groove portions 31 and 32 provided in the fixed ring 3. However, as shown in FIG. 2, the inner peripheral surface of the cylindrical portion 14 of the faucet box 1 and the pipe joint. 2 are provided with groove portions 15 and 26, and these groove portions 15 and 2
6 may be provided with the seal ring 4.

Further, the seal ring 4 is the faucet box 1
And the sheath pipe 11, between the pipe joint 2 and the fixed ring 3, and between the fixed ring 3 and the cylindrical portion 14 of the faucet box 1, the fine position thereof is particularly limited. For example, as shown in FIG. 3, the thread portions 141 and 33 of the cylindrical portion 14 and the fixing ring 3 and the groove portions 15 and 3 are not shown.
The two may be mixed up. Further, the seal ring 4 provided between the collar portion 25 of the pipe joint 2 and the fixed ring 3 also has a groove portion 34 provided on the inner peripheral surface of the fixed ring 3 or the outer peripheral surface of the pipe joint 2 as shown in FIG. , 27 may be provided.

Further, in the above, the fixing ring 3 is fixed to the inside of the cylindrical portion 14 of the water faucet box 1, but between the pipe joint 2 and the fixing ring 3 and between the fixing ring 3 and the water faucet. If the seal ring 4 is provided at two positions between the box 1 and the cylindrical portion 14, as shown in FIG. 4, the cap ring-shaped fixing ring 3 is fitted on the outside of the cylindrical portion 14. It may be one.

Furthermore, in the above description, the seal rings 4 provided at two locations between the pipe joint 2 and the fixed ring 3 and between the fixed ring 3 and the cylindrical portion 14 of the water faucet box 1 serve to prevent Although water is stopped at the periphery of the front opening 12, as shown in FIG. 5, the flange 25 of the pipe joint 2 and the front opening of the faucet box 1 with which the flange 25 is abutted. By providing the seal ring 4 with the peripheral portion of the portion 12, the seal rings 4 provided at two locations can be reduced to one location.

Further, in the above description, the pipe joint 2 bent in a 90 ° elbow shape is described, but the shape of the pipe joint 2 is not particularly limited, and a 45 ° elbow joint or a socket type. It may be a joint or the like.

Further, the faucet box 1 and the pipe joint 2 are not particularly limited, and may be made of resin or metal. Also, the connecting pipe 21 connected to the pipe joint 2 is not particularly limited, and various types made of resin, metal, or a composite material thereof can be used.

Further, the threaded portion of the threaded portion 33 of the fixing ring 3 and the threaded portion 141 of the cylindrical portion 14 may be either a taper screw or a parallel screw.

[0025]

As described above, according to the present invention, since the inside of the sheath tube and the faucet box can be made completely watertight, it is possible to prevent water leakage in the faucet box. Also, it is possible to prevent water from leaking from the faucet box and wetting the floor surface and the vicinity of the wall surface where the faucet box is provided.

Further, by making the inside of the sheath tube and the faucet box completely watertight, it becomes possible to reliably detect the leakage of water in the faucet box on the header side through the sheath tube.

[Brief description of drawings]

FIG. 1 is a cross-sectional view showing the outline of the overall configuration of a fitting mounting structure for a water faucet box.

FIG. 2 is a partial cross-sectional view showing another embodiment of the joint mounting portion of the water faucet box.

FIG. 3 is a partial cross-sectional view showing still another embodiment of the joint mounting portion of the water faucet box.

FIG. 4 is a partial cross-sectional view showing still another embodiment of the joint mounting portion of the water faucet box.

FIG. 5 is a partial cross-sectional view showing still another embodiment of the joint mounting portion of the water faucet box.

[Explanation of symbols]

 1 Faucet Box 11 Sheath Pipe 12 Opening 13 Sheath Pipe Connection 2 Faucet Box Joint 21 Connection Pipe 25 Collar 3 Fixing Ring 4 Seal Ring

Claims (2)

[Claims] 1. A sheath pipe is connected to a sheath pipe connecting portion provided in a water faucet box, and a joint is connected to a connecting pipe inserted into the sheath pipe, and a collar portion provided in the joint is connected to a water pipe. With the fitting arranged in the faucet box in contact with the opening provided in the faucet box, a fixing ring is screwed into the faucet box, and a collar of the joint is provided between the fixing ring and the faucet box. In a fitting mounting structure for a faucet box, which is configured to sandwich and fix a portion, in a faucet box sheath pipe connection portion and a sheath pipe, between a faucet box and a fixing ring, and between a fixing ring and a joint collar. A joint mounting structure for a faucet box, characterized in that a seal ring is interposed between the joint part and the part. 2. A sheath pipe is connected to a sheath pipe connecting portion provided on a water faucet box, and a joint is connected to a connecting pipe inserted in the sheath pipe, and a collar portion provided on the joint is connected to a water pipe. With the fitting arranged in the faucet box in contact with the opening provided in the faucet box, a fixing ring is screwed into the faucet box, and a collar of the joint is provided between the fixing ring and the faucet box. In a fitting mounting structure for a faucet box, which is configured to clamp and fix a portion, a seal ring is interposed between a sheath pipe connecting portion of the faucet box and the sheath pipe, and between the faucet box and a flange portion of the joint. A joint mounting structure for a faucet box characterized by being made.