JPH0419415B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a waterproof structure for a water supply/drainage pipe pull-out part, and more specifically, a waterproof structure for a water supply/drainage water pipe that is covered with a protective pipe and installed in a wall to be protected in the wall. This invention relates to a waterproof structure in a drawer part when pulling out from inside a pipe into a room.

(Prior Art) The present inventors have already proposed a piping structure that protects water supply and drainage pipes for water supply and hot water supply to buildings by covering them with protective pipes, as disclosed in Japanese Patent Application Laid-Open No. 63-62990.
Publication No.).

The present invention has been made as a part of such development, and when the above-mentioned piping structure is used for example in a unit bath or the like and the water supply and drainage hot water pipes are drawn into the room and piping is carried out, the present invention is a water supply and drainage hot water supply system in which the water supply and drainage hot water pipes are drawn into the room from inside the wall. We would like to provide a waterproof structure that prevents water from entering the wall from inside the room at the pipe pull-out part, and also allows the pull-out angle of the water supply and drainage water pipes to be changed arbitrarily to some extent to correspond to the construction situation on site. That is.

(Structure of the Invention) That is, the waterproof structure of the water supply and drainage hot water pipe draw-out part according to the present invention is as follows: The water supply and drainage hot water pipe 20 is inserted into the protection pipe 70 that is piped in the wall 50, and the water supply and drainage hot water pipe 20 is inserted in the wall 50 part. It has a waterproof structure in the drawer part when pulled out into a room, and has an insertion hole 13 into which a protection tube 70 is inserted, and a water stop member 30 is interposed between the wall 50 and the wall 50 to make the water stop. Then, the fixing device 10 attached to the wall hole 51 and the water supply/drainage water pipe 20 that covers one end of the insertion hole 13 of the fixing device 10 and pulled out from inside the protective tube 70 are inserted in a tight state and protrude toward the indoor side. This is a waterproof structure in a water supply and drainage hot water pipe pull-out part, which is characterized by comprising a water-stopping cylindrical part 41 with a cylindrical shape, and an elastic water-stopping member 40 attached to a fixture 10.

(Example) Hereinafter, the present invention will be described in detail according to an example shown in the drawings.

As shown in FIGS. 1 and 2, the waterproof structure (hereinafter referred to as
(abbreviated as "waterproof structure") is between the fixture 10 and the wall 50, which has an attachment part to the wall hole 51 and an insertion hole 13 for the protective pipe 70 that covers the piped water supply and drainage hot water pipe 20.
By interposing the annular water cutoff member 30, water is cut off from the wall 50. Further, a water supply and drainage water pipe insertion hole is formed between the fixture 10 and the water supply and drainage water pipe 20, and has a water stop cylindrical part 41 that protrudes toward the indoor side and can swing freely, and this water stop cylindrical part 41 By inserting the water supply and drainage hot water pipe 20 through the water supply and drainage hot water pipe 20, a funnel-shaped elastic water stop member 40 that tightly fits the water supply and drainage hot water pipe 20 is interposed.
It is now possible to cut off the water from the water. The elastic water stop member 40 has an inner diameter of the water cutoff cylindrical portion 41 equal to an outer diameter of the water supply and drainage hot water pipe 20 so that the water cutoff cylindrical portion 41 is in close contact with the water supply and drainage hot water pipe 20 when the water supply and drainage hot water pipe 20 is inserted through the water cutoff cylindrical portion 41 . It must be equal to or less than that. By making the shape of the elastic water stop member 40 into a funnel shape, the pull-out angle of the water supply and drainage water pipe 20 can be changed arbitrarily to some extent to correspond to the construction situation at the site. Even if you change the drawer angle of 20,
The water stop cylindrical part 41 is in close contact with the hot water supply and drainage pipe 20, and water can be shut off reliably.

In this embodiment, in order to easily position the water stop member 30, the fixture 10 is provided with a groove 11 in which the water stop member 30 is fitted. is not particularly required. In addition, in order to attach the elastic water stop member 40 to the fixture 10 in close contact with the fixture 10, the plate 60 is attached to the fixture 10 from above the elastic water stop member 40 with the pin screw 61.
0, but if the elastic water stop member 40 is in close contact with the fixture 10, this plate 60
is not particularly required.

Next, the waterproof structure of the water supply and drainage hot water pipe draw-out part according to the present invention will be explained based on an example of construction work in a unit bath.

First, as shown in FIG.
1, the water stop member 30 is fitted. In this state, as shown in FIG.
2 is inserted, and this fixture 10 is fixed in the wall hole 51 using adhesive. In addition, the fixing tool 1 to the wall hole 51
The fixing means of 0 is not limited to the method using adhesive, but any method may be used as long as the fixture 10 can be securely fixed to the wall hole 51.

Next, as shown in FIG. 5, the protective tube 70 is inserted into the insertion hole 13 of the fixture 10 fixed in the wall hole 51 and fixed using an adhesive. In this case, the means for fixing the protective tube 70 is not limited to the method using adhesive, but any method may be used as long as the protective tube 70 can be securely fixed. In addition, the insertion hole 13 of the fixture 10 into which the protection tube 70 is inserted
However, in this embodiment, it is an insertion hole, but if the water supply and drainage hot water pipe 20 can be pulled out,
A simple insertion hole for the protection tube 70 may be sufficient. Further, the protection pipe 70 may be any pipe through which the water supply/drainage pipe 20 is inserted, and is not limited to a single continuous pipe, but may be formed by combining an elbow-shaped pipe and a long pipe, for example. It may be.

Next, the water supply and drainage water pipe 20 is pulled out from the protective pipe 70 fixed to the fixture 10, and as shown in FIG.
The elastic water stop member 40 is attached while the water supply and drainage water pipe 20 is inserted through the water stop cylindrical part 41. A plate 60 is placed on top of the elastic water stop member 40, and attached to the fixture 10 together with the elastic water stop member 40 using tatu pin screws 61.

In this embodiment, only one water supply/drainage pipe 20 is drawn out indoors, but the present invention is also applicable to a plurality of hot water supply pipes and drainage water pipes drawn out in parallel, for example. It can also be used in the drawer section for drawing out hot water supply and drainage pipes.

(Effects of the Invention) As described above, according to the waterproof structure of the drawer part of the water supply and drainage hot water pipe according to the present invention, the water supply and drainage hot water pipe is inserted into the protective pipe installed in the wall, and the water supply and drainage hot water pipe is drawn out indoors. When a fixture is installed in a wall hole in a wall, water intrusion from the gap between the fixture and the wall is prevented by a water-stopping member interposed between the fixture and the wall, and the fixture is inserted into the hole in the wall. Water seepage through the gap between the water supply and drainage hot water pipe pulled out from the protective pipe inserted inside the fixture and the fixture is prevented by an elastic stopper that covers one end of the insertion hole of the fixture and is interposed between the fixture and the water supply and drainage water pipe. This is prevented by the water element. Therefore, it is possible to prevent water from entering the wall from inside the room, and to prevent corrosion within the wall due to water intrusion.

In addition, since the elastic water stop member has a water stop cylindrical portion that comes into close contact with the water supply and drainage pipes and protrudes toward the indoor side,
While water is stopped, the draw-out angle of the water supply and drainage water pipes can be arbitrarily changed, making it possible to adapt to the construction situation at the site.

[Brief explanation of drawings]

Fig. 1 is a perspective view showing the waterproof structure of the water supply/drainage pipe draw-out part according to the present invention, Fig. 2 is a partial sectional view taken along the - line in Fig. 1, and Fig. 3 shows the fixing device and the water stop member. FIG. 4 is a sectional view showing the fixing device fixed to the wall hole, FIG. 5 is a partial sectional view showing the protective tube fixed to the fixing device, and FIG.
The figure is a partial sectional view showing a state in which an elastic water stop member and a plate are attached to the drawn-out water supply and drainage water pipe. Explanation of symbols, 10...Fixing part, 11...Groove, 12...
Mounting part, 13... Insertion hole, 20... Water supply and drainage pipe, 30
... Water stop member, 40 ... Elastic water stop member, 41 ... Water stop cylindrical part, 50 ... Wall, 51 ... Wall hole, 60 ... Plate,
61...Tatsupin screw, 70...Protection tube.

Claims (1)

[Scope of Claims] 1. Water supply and drainage hot water pipes are inserted into protection pipes installed in a wall, and a waterproof structure is provided at a drawer section when the water supply and drainage water pipes are pulled out into a room from the wall, wherein the protection pipes are inserted. It has an insertion hole, and a water stop member is interposed between the wall and the wall to make the water stop.
A fixture attached to a wall hole, and a water-stop cylindrical shape that covers one end of the insertion hole of the fixture to shut off water, and through which a hot water supply and drainage pipe pulled out from inside the protective pipe is inserted in a tight state, and protrudes toward the indoor side. 1. A waterproof structure for a water supply/drainage pipe pull-out part, comprising: an elastic water-stopping member attached to a fixture;