JPH0814345B2 - Piping method - Google Patents

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for piping a flexible tube for transporting a fluid such as gas in a space between a pair of wall plates of a house and in the vicinity thereof.

PRIOR ART A typical prior art is shown in FIG. In Fig. 12 (1) with the wall board omitted, a wooden frame and joists 1
Make a hole in the metal tube, pull out the flexible metal tube 2, attach the permanent magnet piece 3 to the end of the flexible body 2, and use the cord 5 such as wire so that it is located near the attachment position 4 of the cock. Hang it. As shown in FIG. 12 (2), a pair of wall plates 6 and 7
Is attached, and the flexible tube 2 is located in the space 8 between the wall plates 6 and 7. The wall plate 6 is, for example, a tile or the like.
In order to detect the end of the flexible tube 2 from the outside of the wall plate 6, that is, from the indoor side, the pole piece 9 is moved along the wall plate 6,
The position of the permanent magnet piece 3 is detected.

Referring to Fig. 12 (3), determine the attachment position of the cock,
A mounting hole 10 is formed in the wall plate 6. From this mounting hole 10 to the rope 5
And when the end of the flexible tube 2 comes out of the mounting hole 10,
Cut the cord 5.

Then, as shown in FIG. 12 (4), a cock 11 is connected to the end of the flexible tube 2. Next, as shown in FIG. 12 (5), the cock 11 is fixed to the mounting hole 10 of the wall plate 6. At this time, the end portion of the flexible tube 2 is pushed into the space 8 between the wall plates 6 and 7.

Problems to be Solved by the Invention In such a prior art, the position of the end portion of the flexible tube 2 is detected using the permanent magnet piece 3 and the magnetic pole piece 9 in the state shown in FIG. 12 (2). There is a problem of poor workability.

When the operator forgets to attach the permanent magnet piece 3 or when the wall thickness is large, it is extremely difficult to find the end portion of the flexible tube 2 after the wall plate 6 is attached.

Further, after mounting the wall plate 6, the mounting hole 10 is formed in the wall plate 6 as shown in FIG. 12 (3). Therefore, when the wall plate 6 is made of tile, for example, the mounting hole 10 is formed. The work to do is troublesome and the tile may be damaged.

An object of the present invention is to provide a piping method with improved workability.

Means for Solving the Problems According to the present invention, a flexible tube is arranged in a space between a pair of wall plates, a bottom plate is provided at a base end portion, a free end portion is opened, and a mounting piece is provided at an outer peripheral portion. The bottom plate of the tubular body is fixed to one of the wall plates using wood screws, the end of the flexible tube is attached to the mounting piece, and the free end of the tubular body is attached to the working hole formed in the other wall plate. With the central shaft portion of the hole saw fitted into the cylinder from the outside on the other wall plate side of the space, the hole saw is rotationally driven to form a mounting hole larger than the working hole in the other wall plate. , Remove the wood screws to remove the cylinder from one wall plate, pull the cylinder together with the flexible tube through the mounting hole to the outside of the other wall plate, remove the cylinder from the flexible tube, and remove the end of the flexible tube. A connecting device is connected to the section, and the connecting device is fixed to the other wall plate.

Operation According to the invention, the bottom plate is provided at the base end portion, and the bottom plate at the base end portion of the cylindrical body provided with the mounting piece on the outer peripheral portion is fixed to one wall plate of the pair of wall plates with wood screws. Further, the end of the flexible tube is attached to the attachment piece of the tubular body, and the open free end of the tubular body is inserted through the working hole formed in the other wall plate. Therefore, the hole saw can be rotationally driven from the outside of the other wall plate with the central shaft portion of the hole saw fitted in the free end portion of the cylindrical body to form a mounting hole larger than the working hole. Therefore, if the wood screw is removed, the end of the flexible tube can be pulled outward from the mounting hole together with the tubular body. Then, a connecting device such as a cock can be connected to the end of the flexible tube to fix the device to the other wall plate.
In this way, the position of the end portion of the flexible tube can be easily known by the cylindrical body protruding from the other wall plate, and the work of pulling out the flexible tube can be easily performed. Further, since the hole saw central shaft portion is inserted into the free end portion of the cylindrical body, the cylindrical body functions as a guide for the central shaft portion of the hole saw, and therefore, vibration when driving the hole saw can be prevented. Prevents tiles from cracking due to vibration. Further, since the tubular body can be withdrawn from the wall plate to the outside and collected, the tubular body can be repeatedly used.

Embodiment FIG. 1 to FIG. 10 are views for explaining the process of one embodiment of the present invention. First, referring to FIG. 1, a wall plate 13 indicated by an imaginary line is attached at a later-described step from the wall plate 12 on the outside of the house to the room side on the right side of FIG. Wallboard
Space formed between 12 and wall plate 13 that will be installed later
At 20, the tube body 14 is fixed to the wall plate 12. Tube body
As shown in FIG. 2, 14 is integrally formed with a disc-shaped mounting seat 15 including the bottom plate of the cylinder body 14 on the base end side thereof. A wood screw insertion hole 16 is formed in the central bottom plate portion of the mounting seat 15, and the wood screw 17 is inserted through the wood screw insertion hole 16 to form a wood screw 17 on the wall plate 12.
The cylinder body 14 is attached to the wall plate 12 by screwing. Tube body
An outer screw 18 is engraved on the outer circumference of 14. Also this tube body
A mounting piece 19 is fixed to 14.

After the cylinder body 14 is attached to the wall plate 12 in this way,
As shown in FIG. 3, a pipe joint 41 (see FIGS. 8 and 9) is connected to the end of the metal flexible tube 21 as will be described later, so that the end of the flexible tube 21 is connected. Prevent it from being damaged,
In addition, it is necessary to prevent dust from entering the flexible tube 21 during work. Therefore, the cap 51 made of synthetic resin is elastically fitted into the end portion of the flexible tube 21. Then flexible tube 21
The base end of the wire 22 such as wire or thread is connected to the upper end of the wire 22, and the other end of the wire 22 is connected to the mounting hole 19a of the mounting piece 19. In this way, the flexible tube 21 is suspended from the mounting piece 19.

Next, as shown in FIG. 4, an adjusting cylinder 24 having an inner thread 23 engraved on the inner peripheral surface thereof is screwed into the outer thread 18 of the cylinder body 14 by fitting the inner thread 23 into the cylinder body 14. Attach the adjusting tube 24. It should be noted that the cylinder body 25 is configured by the cylinder body 14 and the adjustment cylinder 24. At this time, the amount of protrusion of the adjustment cylinder 24 from the wall plate 13 can be adjusted by screwing or advancing the adjustment cylinder 24.

In this state, as shown in FIG. 5, the wall plate 13 having the working holes 27 formed in advance is attached so as to face the wall plate 12. The free end portion 24a of the adjusting cylinder 24 has a working hole 2 formed in the wall plate 13.
Insert 7. The wall plate 13 is composed of a tile base 13a and a tile 13b fixed to the surface thereof, and the working hole 27 is formed in advance when the wall plate 13 is fixed. It can be formed according to the joint.
A cap 28 is attached to the free end portion 24a of the adjusting cylinder 24 to prevent dust from entering the adjusting cylinder 24.

When connecting the cock 40, which will be described later, first remove the cap 28, and as shown in FIG. 6, mount holes 50 (see FIG. 7) for mounting the cock 40 from the indoor side using the hole saw 31. Need to be formed. Therefore, as shown in FIG. 6, the central shaft portion 32 of the hole saw 31 is inserted from the free end portion 24a side of the adjusting cylinder 24. Further, since the diameter of the adjusting cylinder 24 is selected to be slightly larger than the diameter of the central shaft portion 32 of the hole saw 31, it is possible to perform positioning by inserting the hole saw 31 into the adjusting cylinder 24. The hole saw 31
Is fixed to the hand drill 33. By driving the hand drill 33, the hole saw 31 is rotationally driven, whereby the mounting hole 50 larger than the working hole 27 is formed. During the work of forming the mounting hole 50 by the hole saw 31, the central shaft portion 32 is guided by the adjusting cylinder 24, so that the hole saw 31 can be positioned and the occurrence of vibration during the cutting work can be prevented. This can prevent the tile 13b from being damaged.

Next, as shown in FIG. 7, the driver 34 is inserted from the free end portion 24a side of the adjusting cylinder 24, the tip 34a of the driver 34 is engaged with the engaging groove 17a of the wood screw 17, and the driver 34 is operated. The wood screw 17 is removed from the wall plate 12, and the adjusting cylinder 24 and the cylinder body 14 are pulled out from the mounting hole 50. As a result, the flexible tube 21 is also pulled out as shown in FIG. Next, the flexible tube 21 and the tube body
14 is separated, and the adjusting cylinder 24 and the cylinder body 14 are collected. The cap 51 is removed, and the cock 40 is connected to the end of the flexible tube 21 as shown in FIG. In fixing the cock 40 to the mounting hole 50, the cock 40 is fixed to the end portion of the flexible tube 21 pulled out from the mounting hole 50 via a pipe joint 41.

Finally, as shown in FIG. 10, the mounting flange 42 of the cock 40 is pressed against the inner surface of the wall plate 13 and the wall plate 13
The wall plate 13 is sandwiched by the back plate 43 facing the surface on the space 20 side, and the cock 40 is fixed to the wall plate 13 by this. The flexible tube 21 is a space when the cock 40 is fixed to the wall plate 13.
It is pushed into 20. Thus, the work of attaching the cock 40 to the flexible tube 21 is completed.

In the embodiment described above, after the mounting hole 50 is formed, the cylinder body 14
Although the adjustment tube 24 is still attached to the driver, the driver 34 is inserted from the free end portion 24a side of the adjustment tube 24 to remove the wood screw 17, but the adjustment tube 24 is removed from the tube body 14, and then the driver 34 is removed. The cylinder body 14 may be removed by inserting it into the cylinder body 14.

FIG. 11 is a sectional view of another embodiment. In this embodiment, the adjustment cylinder 24 is not used, and the cylinder 52 is used in place of the adjustment cylinder 24 and the cylinder body 14. The tubular body 52 is longer than the tubular body 14, and the free end portion of the tubular body 52 is inserted through the working hole 27. Also this cylinder 52
Since the adjusting cylinder 24 is not used on the outer peripheral surface of the, the outer screw 18 is not formed. The piping method using such a cylindrical body 52 is basically the same as that of the above-mentioned embodiment.

A concentric concavo-convex pattern is formed on the flexible tube 21, which is made of a material such as stainless steel, and a coating material such as vinyl chloride may be formed on the outer periphery thereof.

As described above, according to the present invention, the bottom plate at the base end of the tubular body is fixed to one wall plate with wood screws, and the end of the flexible tube is attached to the attachment piece of the tubular body. Since the open end of the plug is inserted into the working hole formed on the other wall plate, the position of the flexible tube can be easily known, which makes it extremely easy to install a connecting device such as a cock. become. In addition, since the hole saw is driven to rotate while the central shaft of the hole saw is pushed into the free end of the cylinder to form a mounting hole larger than the working hole, the center position of the hole saw can be easily positioned. Further, it is possible to suppress the generation of vibration when the hole saw is driven, and it is possible to prevent the tiles on the indoor side from being damaged. Further, since the tubular body is pulled out together with the flexible tube from the mounting hole, the tubular body can be repeatedly used.

[Brief description of drawings]

1 to 10 are views for explaining a process of one embodiment of the present invention, in which FIG. 1 is a cross-sectional view showing a state where a cylinder body 14 is fixed to a wall plate 12, and FIG. Perspective view of the cylinder body 14,
3 is a sectional view showing a state in which the flexible tube 21 is attached to the tube body 14, FIG. 4 is a sectional view showing a state in which the adjusting tube 24 is attached to the tube body 14, and FIG. FIG. 6 is a sectional view showing the mounted state, FIG. 6 is a sectional view showing the operation of forming the mounting hole 50 by the hole saw 31, and FIG. 7 is a cylinder main body by the driver 34.
FIG. 8 is a view for explaining the operation of removing 14 from the wall plate 12, FIG. 8 is a cross-sectional view showing a state in which the flexible tube 21 is pulled out together with the tube body 14 from the mounting hole 50, and FIG. FIG. 10 is a cross-sectional view showing a state in which the cock 40 is connected to the end portion of the pipe 21 via a pipe joint 41, and FIG. 10 is a cross-sectional view showing a state in which the cock 40 is fixed to the wall plate 13. FIG. 11 is a sectional view for explaining a process of another embodiment of the present invention, and FIG. 12 is a view for explaining a process of the prior art. 12,13 …… Wall plate, 14 …… Cylinder body, 15 …… Mounting seat, 19 ……
Mounting piece, 20 …… Space, 21 …… Flexible tube, 24 …… Adjustment tube, 2
5,52 …… Cylinder, 27 …… Work hole, 50 …… Mounting hole, 31 …… Hole saw, 32 …… Central shaft of hole saw 31, 40 …… Cock, 41 …… Pipe fitting

Claims (1)

[Claims] 1. A bottom plate of a cylindrical body having a flexible tube arranged in a space between a pair of wall plates, having a bottom plate at a base end portion, a free end portion being open, and a mounting piece provided at an outer peripheral portion. It is fixed to one wall plate using wood screws, the end of the flexible tube is attached to the mounting piece, and the free end of the tubular body is inserted into the working hole formed in the other wall plate, and the other of the spaces With the central shaft of the hole saw fitted in the cylinder from the outside of the wall plate side, the hole saw is rotationally driven to form an attachment hole on the other wall plate that is larger than the work hole, and the wood screw is removed to remove the cylinder. From the one wall plate, pull out the cylinder with the flexible tube from the mounting hole to the outside of the other wall plate, remove the cylinder from the flexible tube, and connect the connecting device to the end of the flexible tube. A piping method, characterized in that the connecting device is fixed to the other wall plate.