JPH0684677B2 - Fluid pipe piping method and fluid pipe guide pipe - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention relates to a protective tube provided on the back of a wall and hot water in a box,
The present invention relates to a piping method for a fluid pipe and a guide pipe for the fluid pipe, which allows a fluid pipe such as water or gas to pass through and efficiently draws the fluid pipe to the wall surface from an opening of a box facing the outside such as the wall surface.

(Prior Art) Recently, pipes for water supply and drainage facilities of buildings and pipes for gas pipes are provided with protection tubes and boxes behind the walls, and fluids such as hot water, water, and gas are placed in these protection tubes and boxes. A method of piping by passing through a fluid pipe is adopted. Such a method has advantages that the fluid pipe can be easily replaced, and that the protective pipe can prevent diffusion of fluid leak from the fluid pipe and prevent deterioration of the building.

Conventionally, when such a fluid pipe is passed through the protective pipe and the box, a method has been adopted in which the fluid pipe is inserted while being pushed into the protective pipe from one end of the protective pipe.

(Problem to be Solved by the Invention) However, the insertion direction of the fluid pipe from the inside of the protection pipe into the box and the drawing direction of the fluid pipe from the inside of the box to the outside of the box are formed substantially at right angles. Therefore, the pipe end of the fluid pipe inserted into the protective pipe hits against the upper wall forming the box, and the operator has to pull out the pipe end of the fluid pipe from the inside of the box. Further, since the box opening faces the wall surface, it is desirable that the opening is as small as possible in terms of aesthetics, and there is a problem that it takes a lot of time and labor to draw out the fluid pipe from the box opening having the small opening. Further, if the fluid pipe is forcibly pushed in with the pipe end abutting against the wall forming the box, there is a problem that the pipe end of the fluid pipe is damaged.

The present invention has been made in view of such circumstances,
The purpose is to guide the fluid pipe that has been inserted into the box from inside the protective pipe to the outside through the opening of the box without abutting against the upper wall that constitutes the box. A pipe method for a fluid pipe, which prevents damage to the fluid pipe due to excessive pushing when the pipe end abuts against the wall of the box, and thus enables efficient piping work of the fluid pipe, and a method suitable for this It is intended to provide a guide tube.

(Means for Solving the Problem) In order to solve the above-mentioned problems, a method for piping a fluid pipe according to claim 1 includes: "a protective pipe and a box for piping a fluid pipe for hot water, water, gas, etc. , A box-shaped guide tube curved so that the openings at both ends are directed toward the protective tube connection opening and the opening of the box, and one end of the box is exposed to the opening and the other end is exposed to the protective tube connection. It is housed, then the fluid pipe is passed through the protection pipe and the guide pipe, and the pipe end of the fluid pipe is guided to the outside of the opening of the box and pulled out. ”

The guide pipe of the fluid pipe according to claim 2 is a guide pipe suitable for the above-mentioned piping method, "a fluid pipe of hot water, water, gas or the like is formed into a tubular shape which can be inserted therein and is housed in a box. In this state, it is curved so that the openings at both ends are directed to the protective tube connection opening and the opening of the box. "

Further, the guide tube for the fluid pipe according to claim 3 is the same as the guide tube for the fluid pipe according to claim 2 in which "one of the inner cylindrical walls curved from the opening on the protective pipe connection port side of the box toward the other end opening". It is made by cutting out parts. "

(Operation of the invention) In the piping method of the fluid pipe according to claim 1, a cylindrical guide pipe is used which is curved so that the openings at both ends are directed to the protective pipe connection port and the opening of the box. One end of the fluid pipe is housed in the box so that one end faces the opening of the box and the other end faces the protection pipe connection port. Can be lead to. Therefore, it is not necessary to manually pull out the pipe end of the fluid pipe from the inside of the box, and the fluid pipe can be efficiently piped.

The guide tube for a fluid pipe according to claim 2, wherein in the piping method, a passage of the fluid pipe in the box is provided for a box in which a protective pipe connection port and an opening having different opening directions are formed. It can be done smoothly. That is, since it is curved so that the openings at both ends are directed toward the protective tube connection port and the opening of the box and is formed into a tubular shape, it is possible to store it in the box so that one end faces the opening of the box. It is possible to reliably guide the pipe end of the fluid pipe from the protective pipe connection port of the box to the opening of the box. Also, since the guide tube is curved, it can be installed in the box simply by inserting it from the opening of the box, and it can be easily removed from the box by pulling it out, making it easy to attach and detach. .

Further, in the guide pipe of the fluid pipe according to claim 3, since a part of an inner cylindrical wall that curves from the opening on the protective pipe connection port side of the box toward the other end opening is cut out, The insertion passage of the fluid pipe in the pipe is widened, which facilitates insertion of the fluid pipe into the guide pipe and withdrawal of the fluid pipe. Such a notch is particularly effective when inserting or pulling out a hard fluid pipe. In other words, if the fluid pipe is stiff, the fluid pipe tries to pass as straight as possible in the guide pipe. In this case, the free space of the fluid pipe can be widened by the notch, and the fluid pipe can be pulled out even in a state where the bending of the fluid pipe is small. Further, since the opening of the box has a cylindrical opening, the pipe end of the fluid pipe can be reliably guided to the opening of the box.

(Embodiment) Hereinafter, a piping method for a fluid pipe and a guide pipe for a fluid pipe according to claims 1 to 3 will be described according to an embodiment shown in the drawings. The figure shows an example of piping of fluid pipes for hot water and water.

In the method for piping a fluid pipe according to the first aspect, the protective pipe (20) and the box (10) that pass the fluid pipe (40) are used.

The protection tube (20) is a flexible tube made of synthetic resin,
Bending piping can be done easily.

Further, the box (10) has a protective tube (2
0) has a protective pipe connection port (11) for connecting one end and an opening (12) for exposing the fluid pipe (40) to the outside,
An elbow (50) attached to the end of the fluid pipe (40) is housed inside. The elbow (50) is fixed in the box (10) by holding the collar (51) by a fixing ring (80) screwed into the opening (12) of the box (10). .

By using these protection pipe (20) and box (10), the protection pipe (20) and box (10) are piped from the hot water and water supply source (30) as shown in FIG. A fluid pipe (40) is inserted therein, and an elbow (50) and a water faucet (60) are attached thereto.

First, in the method for piping a fluid pipe according to claim 1, as shown in FIG. 1, a protective pipe (20) and a box (10) are provided to pass a fluid pipe (40) for hot water and water. At the same time, the tubular guide tube (70) is curved so that the openings at both ends are directed to the protective tube connection port (11) and the opening (12) of the box (10).
Is housed in the box (10) so that one end faces the opening (12) of the box (10) and the other end faces the protection pipe connection port (11).

The guide pipe (70) is formed in a tubular shape into which a fluid pipe (40) for hot water, water, gas, etc. can be inserted, and the protection pipe connection of the box (10) is stored in the box (10). It is curved so that the openings (71) (72) at both ends face the mouth (11) and the opening (12).

5 and 6 show an embodiment of the guide tube (70),
It is formed in a curved tubular shape. The guide pipe (70) is housed in the box (10) by bringing one end thereof into contact with the peripheral edge of the protective pipe connection port (11). In addition, the guide tube (70) is a box (10)
It is detachable from the box (10), and is attached by inserting it into the box (10) through the opening (12) of the box (10) and by pulling it out from the opening (12) of the box (10). It can be removed from inside (10).

FIGS. 7, 8 and 9 show another embodiment of the guide pipe (70), which is formed in a curved tubular shape and further has a protective pipe connection port of the box (10). A part of the inner cylindrical wall that curves from the opening (71) on the (11) side toward the other end opening (72) is cut away. Due to the notch (73), the fluid pipe (4) in the guide pipe (70) is
The insertion passage of (0) widens and the fluid pipe (4
It is easy to insert 0) and pull out the fluid pipe (40). Such a notch (73) is particularly effective when inserting or pulling out a hard fluid pipe (40). That is, as shown in FIG. 9, if the fluid pipe (40) is hard, the fluid pipe (40) tries to pass through the guide pipe (70) in the straightest possible state. In this case, the free space of the fluid pipe (40) is widened by the notch (73), and the fluid pipe (40) can be pulled out even in a state where the fluid pipe (40) is bent little. The guide tube (70) is attached to the opening (1) of the box (10).
Since the opening (72) on the 2) side is a cylinder mouth,
Similar to the above embodiment, the pipe end of the fluid pipe (40) can be surely guided to the opening (12) of the box (10).

Also, in this example, the box (10) of the guide tube (70)
A flange (74) is formed on the peripheral edge of the opening on the side of the opening (12). This makes it easier to remove the guide tube (70) from the inside of the box (10).

(75) is a locking portion, and this locking portion (75) is engaged with the female screw (13) formed in the opening (12) of the box (10) as shown in FIG. Has become. Therefore, in the case of this example, the guide tube (70) is securely housed and fixed in the box (10) by the locking portion (75).

After mounting the guide tube (70) in this way, as shown in FIG. 2, the fluid tube (40) is inserted into the protection tube (20) from one end of the protection tube (20), and then the box (10). The fluid pipe (40) is passed through the guide pipe (70) housed therein, and the pipe end of the fluid pipe (40) is pulled out from the opening (12) of the box (10).

When the pipe end of the fluid pipe (40) is pulled out from the opening (12) of the box (10), the guide pipe (70) is removed from the inside of the box (10) to the outside of the box (10) as shown in FIG. This is because the guide tube (70) is unnecessary when the drawing operation is completed. The guide pipe (70) thus removed can be used for piping work of another fluid pipe (40).

Next, as shown in FIG. 4, the elbow (5) is attached to the pipe end of the fluid pipe (40) drawn from the opening (12) of the box (10).
0) and fix the elbow (50) in the box (10). The connection port of the elbow (50) has a cover body and a faucet (6
0) is attached and the piping work is completed.

(Effect of the invention) As described above, in the fluid pipe piping method according to claim 1, both ends are opened toward the protective pipe connection port and the opening of the box, and the fluid pipe is inserted inside. The cylindrical curved guide tube is installed in the box so that one end faces the opening of the box and the other end faces the protection tube connection port, so that the fluid tube can be inserted from one end of the protection tube. The fluid passed through the protective pipe can be guided to the outside of the box as it is via the guide pipe. Therefore, it is not necessary to manually take out the pipe end of the fluid pipe from the inside of the box, and the fluid pipe can be efficiently piped. Further, there is no problem that the pipe end of the fluid pipe is abutted against the wall forming the box to damage the pipe end of the fluid pipe.

The guide pipe of the fluid pipe according to claim 2 or 3 is suitable for the piping method, and the guide pipe of the fluid pipe according to claim 2 is
The box is curved so that the openings at both ends are directed toward the protective tube connection port and the opening of the box, and the box is formed so that one end faces the opening of the box and the other end faces the protective tube connection port. By housing it inside, the pipe end of the fluid pipe can be reliably guided from the protective pipe connection port of the box to the opening of the box. Also, since the guide tube is curved, it can be installed in the box simply by inserting it from the opening of the box, and it can be easily removed from the box by pulling it out, making it easy to attach and detach. .

Further, in the guide pipe of the fluid pipe according to claim 3, since a part of an inner cylindrical wall that curves from the opening on the protective pipe connection port side of the box toward the other end opening is cut out, The insertion passage of the fluid pipe in the pipe expands, the free space through which the fluid pipe passes can be expanded, and the fluid pipe can be pulled out even when the bending of the fluid pipe is small. It will be easier. Therefore, it is particularly effective when inserting and pulling out a hard fluid pipe.

[Brief description of drawings]

1 to 4 show the piping method of the fluid pipe according to claim 1 by taking the piping behind the wall of the fluid pipe of hot water and water as an example, and FIG. 1 shows the piping of the protection pipe and the box behind the wall. FIG. 2 is a side view showing a state in which a guide pipe is mounted in the box, FIG. 2 is a side view showing a state in which a fluid pipe is passed through a guide tool to a protective pipe and a guide pipe in the box, and FIG. FIG. 4 is a side view showing a state where the pipe end is pulled out from the opening of the box, FIG. 4 is a side view showing a state where the piping work is completed, and FIGS. 5 and 6 are guide pipes of the fluid pipe according to claim 2. An example is shown and the fifth
FIG. 6 is a perspective view thereof, FIG. 6 is a cross-sectional view showing a state in which a guide pipe is mounted in a box, and FIGS. 7 to 9 show another embodiment of the guide pipe of the fluid pipe according to claim 2. FIG. 7 is a perspective view thereof, FIG. 8 is a side view thereof, FIG. 9 is a sectional view showing a state in which a guide tube is mounted in the box, and FIG. 10 is a sectional view showing a use state of the box containing the elbow. Is. Explanation of symbols 10 …… Box, 11 …… Protection tube connection port, 12 …… Opening part, 20 …… Protection tube, 40 …… Fluid tube, 50 …… Elbow, 60 …… Water tap, 70 …… Guide tube , 71, 72 …… Opening, 73 …… Notch, 74 …… Tsuba, 75 …… Locking part.

Claims (3)

[Claims] 1. A protective pipe and a box for passing a fluid pipe for hot water, water, gas, etc. are arranged, and the box is curved so that openings at both ends are directed to the protective pipe connection port and the opening of the box. The cylindrical guide tube is placed so that one end faces the opening of the box and the other end faces the protection pipe connection port, and then the fluid pipe is passed through the protection pipe and the guide pipe, and the pipe end of the fluid pipe is closed. A piping method for a fluid pipe, which is characterized in that it is led out of the opening of the box and pulled out. 2. A fluid pipe for hot water, water, gas or the like is formed into a tubular shape capable of being inserted therein, and the openings at both ends are directed to the protective pipe connection opening and the opening portion of the box stored in the box. A guide tube characterized in that it is curved. 3. The guide tube according to claim 2, wherein a part of an inner cylindrical wall that curves toward the other end opening from the opening on the protective tube connection port side of the box is cut out.