JPH06265080A - Resin pipe header piping system - Google Patents

Abstract

PURPOSE:To improve efficiency by a method wherein a device connection coupling on the water feed faucet side is connected to a resin pipe through a mechanical coupling and a plurality of resin pipes on the main pipe side are fusion-connected to a header coupling made of resin through an electric fusion coupling. CONSTITUTION:A faucet box 40 on the water feed faucet side is fixed to a rafter 21 in a given position in a wall back space 20 by means of a screw. The water faucet box 12 of a sheath pipe 11 is connected to the lower end of the water faucet box 40 by means of a pin. A fusible resin pipe 10 of polyethylene is inserted in the sheath pipe 11 and mechanical connection of the resin pipe 10 to a mechanical coupling 50 on the faucet connection side is carried out. The resin pipe is connected outside the faucet box 40 and embedded and contained in the box 40. The end part on the main pipe side of the resin pipe 10 is fusion-connected to a header 60 made of resin through an electric fusion coupling 70.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a resin pipe header system for efficiently supplying a header with a resin pipe in a water supply and hot water supply pipe inside a building.

[0002]

2. Description of the Related Art A header-piping system using a resin pipe is
The pipes from the header-joint fixed outside the building to each hydrant inside the building are directly connected with multiple resin pipes, which is easy to handle repairs and expansions, and the pipe diameter may be one step thinner than before. Since then, it has started to spread rapidly. As a joint for connecting the resin pipe, there are a joint for connecting by a mechanical joint made of metal and a joint for fusion-bonding with the pipe by using a fusion joint made of the same resin as the resin pipe. However, the header side and the faucet side are normally connected by the same mechanical joint or fusion joint. Further, the connection order is Japanese Patent Laid-Open No. 64-121.
As seen in Japanese Patent Publication No. 91, the resin pipe is replaced with the header of the original pipe.
It was connected from the side first, and finally it was connected to the equipment connection joint on the water supply side.

[0003]

When the header side of the original pipe is connected first as in the prior art, the resin pipe is pulled out from the inside of the sheath pipe when connecting with the instrument connection joint, and after the resin pipe is connected to the inside of the sheath pipe again. Therefore, the slack portion of the resin tube must be provided in the middle of the sheath tube as disclosed in the above publication. Further, since the header-joint is usually installed in the lower part of the building and is provided with a plurality of branch connection ports, in the case of mechanical connection, the connection work posture is cramped and the work is difficult.

Further, in the case where the equipment connecting joint on the faucet side is connected using a fusion splicing joint, the fusion splicing joint is housed in a faucet box or the like behind the wall after fusion splicing, and the fusion joint is put in the faucet box. It is necessary to fix and attach the cover to the inner wall side, but since the piping of the connection part is bent and pushed during this storage work, the connection part is cooled until the fusion splice is cooled and hardened to a sufficient strength. The fusion splice and the resin pipe must be fixed so that they do not move. Therefore, the work of storing and fixing it on the back side of the wall cannot be performed immediately after the fusion splicing, and the work is wasteful for about 15 to 20 minutes until the fusion splicing part is cooled. The present invention provides a resin pipe header system that solves the above problems and enables efficient work.

[0005]

SUMMARY OF THE INVENTION The gist of the present invention is a resin pipe header system in which pipes from a header-joint connected to a main pipe outside a building to a plurality of water taps inside a building are directly connected by a plurality of resin pipes. In, the instrument connection joint on the faucet side and the resin pipe are connected by a mechanical joint, and the plurality of resin pipes on the original pipe side and the resin header-joint are fusion-bonded by an electric fusion joint. The resin pipe header-piping system.

[0006]

Since the present invention has the above-described structure, since the instrument connection joint on the faucet side and the resin pipe are connected by the mechanical joint,
Immediately after the connection, the hydrant side pipe is housed and fixed in the back of the wall, the work on the hydrant side is completed, and the resin pipe is fixed inside the building and the work on the main pipe side is started. Further, since the connection work is performed first from the water tap side, it is not necessary to provide a slack portion of the resin pipe in the middle of the sheath pipe, and the resin pipe can be smoothly accommodated in the sheath pipe for piping.

Next, in the main pipe side piping, the resin pipes are collectively fixed to the building, or the resin pipe is inserted into a header having a resin pipe supporting portion, and the resin header is fixed to the building to form the header. Since the fusion splicing can be performed by the joint and the fusion splicing joint, it can be left as it is after the connection, and there is no need to use a jig for fixing the pipe at the connecting portion and removing it as in the conventional case.
Further, since the header joint and the plurality of resin pipes can be fused together, the plurality of fusion joints can be fused together by devising the wiring for the fusion joint, and the work can be performed efficiently.

[0008]

Embodiments of the present invention will be described below with reference to the drawings. First, the faucet box 40 on the side of the faucet shown in FIGS. 1 and 2.
Is fixed to the rafter 21 at a predetermined position in the wall space 20 with screws 41, and the faucet side end portion 12 of the sheath pipe 11 is connected to the lower end of the faucet box 40 using a pin 42. Next, the resin pipe 10 made of a fusible material such as polyethylene or polybutene is inserted into the sheath pipe 11, and the mechanical joint 50 on the faucet connection side and the resin pipe 10 are placed outside the faucet box 40 as shown in FIG. After the connection is made by pressing, it is pushed into the water faucet box 40 to be housed therein, and the mechanical joint 50 is fixed in the water faucet box by using screws 51.

Subsequently, as shown in FIGS. 3 and 4, the resin pipe 10 is dimensioned and cut on the header side, and the resin pipe 10 and the branch portion 61 of the resin header 60 are connected to the electric fusion joint 70. The resin pipe 10 is inserted and fixed to the building 23 using the fixture 71 and the screw 72. After fixing the resin pipe 10 to the building, the cable 9 from the controller 90 is attached to the electric fusion joint 70.
1 is connected and energized to fuse. FIG. 3 shows an example in which cables are connected in series in order to simultaneously fuse four electric fusion type joints 70. Each of the joints 70 is energized and fusion-bonded in order. Is also good.

FIG. 5 shows a second embodiment. The difference from the above-mentioned embodiment is that the faucet side is a rising pipe 80 made of stainless steel or chrome-plated metal from the floor 90, and a fixing portion 65 to the building 23 is integrally formed on the header-60. In addition, the branched portion 62 of the resin header 60 is of an electric fusion type, and has a support portion 63 for the resin pipe 10 at its tip.

The procedure of construction is to connect the mechanical floor mounting joint 81 in the building and the resin pipe 10 and then screw 82
The floor mounting joint 81 is fixed to the floor 90 with, and the makeup plate 8 is attached.
3 is fitted and the rising pipe 80 is connected. Next, the resin pipe 10 is dimensioned and cut on the header-60 side of the original pipe side, the resin pipe 10 is inserted into the electric fusion-type branching portion 62 of the header-60, and the header- 60 is fixed to the building 23. After that, the cable from the controller is connected to the connector pin 66 of the electro-fusion type branching portion 62, and electricity is applied to fuse.

The inner diameter of the resin pipe supporting portion 63 provided at the tip portion of the electric fusion-type branch portion 62 is smaller than the outer diameter of the resin pipe 10, and the notch 64 in the axial direction from the end face toward the fusion portion. A plurality of are provided. Therefore, when the resin pipe 10 is inserted, it is inserted while widening the inner diameter of the support portion 63, and the elasticity of the support portion 63 supports the resin pipe 10. In this embodiment, since the fixing portion 65 is provided on the header-60, it is not necessary to fix the header by using the header-bracket, and the resin pipe support portion 63 is provided on the branch portion 62 of the header-60.
Since the resin pipe 10 is provided, the resin pipe 10 does not fall out or move during the fusion energization, and the fusion splicing can be surely performed.

[0013]

As described above, according to the present invention, the header-piping work can be efficiently performed by eliminating the wasteful time for cooling the fusion splicing portion, and the slack portion of the resin pipe in the sheath pipe is not necessary. Now you can smoothly pipe.

[Brief description of drawings]

FIG. 1 is an overall view of a header-pipe showing a first embodiment of the present invention.

FIG. 2 is a diagram showing a construction situation of a faucet connection side of the first embodiment.

FIG. 3 is a front view showing a header-portion on the source pipe side of the first embodiment.

FIG. 4 is a side view of FIG.

FIG. 5 is an overall view of a header-pipe showing a second embodiment of the present invention.

[Explanation of symbols]

 10 Resin Pipe 11 Sheath Pipe 23 Building 40 Faucet Box 50 Mechanical Joint 60 Header-62 Header-Branching Part 63 Resin Pipe Supporting Part 65 Header-Fixing Part 70 Electric Fusion Joint 71 Fixture 81 Floor Fitting Joint

Claims (1)

[Claims] 1. A resin pipe header in which pipes from a header-joint connected to a main pipe outside the building to a plurality of water taps inside the building are directly connected by a plurality of resin pipes-in a method of construction, a device connection joint on the water tap side Connect the resin pipe with a mechanical joint,
A resin pipe header system, wherein the plurality of resin pipes on the original pipe side and the resin header-joint are fusion-spliced by an electric fusion joint.