JP2002181245A - Drawing out tool of liquid feeding pipe and its piping structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a drawing out tool of a liquid feeding pipe and its piping structure, requiring only at one drilling portion on an outer wall and allowing easy cut-off work of the periphery of an opening portion. SOLUTION: The drawing out tool 1 comprises: a plate main body 2 water- tightly covering an opening portion W1 formed in the outer wall W of a building; and penetrated members 3 projected from both faces of the plate main body 2 and having insertion passages 311 into which the liquid feeding pipes P1-P4 are inserted, and wherein the drawing out toll 1 draws out the feeding pipes P1-P4 out of the wall.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a drawer for drawing a liquid supply pipe, such as a water supply pipe or a hot water supply pipe, provided inside a wall, and a piping structure of the liquid supply pipe using the drawer.

[0002]

2. Description of the Related Art Conventionally, as a piping structure in which a liquid supply pipe arranged inside a wall along the wall is exposed to the outside of the wall, the pipe structure includes a sheath pipe and a water supply pipe passed through the sheath pipe. A double piping structure is disclosed in, for example, Japanese Patent Publication No. 6-15912. As shown in FIG. 11, the piping structure 211 includes a liquid supply pipe 221, a sheath pipe 231, a through hole 241a formed in a wall 241, a liquid supply box 251 and a joint 261.
It is composed of Here, the through hole 241a is
41 are formed in the same direction as the thickness direction, that is, in the direction perpendicular to the wall surface. The liquid supply box 251 is arranged so that one side 251a faces the outside of the wall 241 and the other side 251b is inside the wall 241 along the wall 241 and the other side 251b has a sheath tube. 23
1 is connected. The joint 261 is housed in the liquid supply box 251, and one end 261 a faces the outside of the wall 241.
The liquid supply pipe 22 having the other end 261b inserted into the sheath pipe 231
Connected to 1.

In this piping structure 211, a joint 261
When the liquid is accommodated in the liquid supply box 251, first, as shown in FIG.
a is pulled out of the wall 241. Then, after connecting the other end 261b of the joint 261 to one end 221a of the drawn liquid supply pipe 221, the liquid supply pipe 221 is pushed into the liquid supply box 251 and the sheath pipe 231,
The joint 261 is accommodated in the liquid supply box 251.

When the conventional piping structure 211 is applied to an outer wall, a through hole 241a is formed in the outer wall.
There is a problem that rainwater enters from outside the building through the through hole 241a. The outer wall has a thickness of 75 to 100.
In the case of an ALC panel of about mm, the liquid supply pipe 221 is sharply curved at a portion entering the through hole 241a from the inside of the outer wall, and the joint 261 is connected to the liquid supply box 25.
It is difficult to pull out the liquid supply pipe 221 to the outside of the outer wall or to push the liquid supply pipe 221 into the liquid supply box 251 when the liquid supply pipe 221 is pushed in.
There was also a risk that one would buckle.

As a piping structure for eliminating the above-mentioned infiltration of rainwater and buckling of the liquid supply pipe 221, for example, JP-A-2000-170
No. 222, a piping structure in which a flexible liquid supply pipe inserted into a flexible sheath pipe and piped inside the outer wall of the building faces the outside of the outer wall. A sheath tube, a through hole formed in the outer wall so as to be inclined upward so as to progress from the outer surface to the inner surface, and a through hole attached to the outer wall so as to cover the through hole outside the outer wall. A liquid supply box connected to one end of the sheath tube through the liquid supply box, one end of the liquid supply tube housed in the liquid supply box facing the outside of the outer wall, and the other end positioned at one end side of the sheath tube. A piping structure of a liquid supply pipe including a joint connected to one end is disclosed.

Furthermore, Japanese Patent Publication No. 3-79594 discloses a drawer for pulling out a water supply / drainage hot water pipe piped in a wall from a through hole formed in the wall to the outside of the wall. An insertion passage to be inserted, an insertion portion inserted into the through hole, and a fixing portion for fixing the insertion portion inserted into the through hole to a wall, wherein the insertion passage is formed to be inclined with respect to the wall. And
The insertion portion is formed so as to be rotatable in the through hole while being inserted into the through hole, and by rotating the insertion portion in the through hole, the insertion passage is moved in an arbitrary direction in the wall. There is disclosed a plumbing pipe drawer that can be accessed.

[0007]

However, in the above-mentioned conventional liquid supply pipe piping structure, the number of holes corresponding to the number of water / hot water pipes to be piped in the wall must be provided on the outer wall. For this reason, there is a problem that the drilling process on the outer wall is complicated and the drilling operation requires man-hours. In addition, it is necessary to perform a water stopping process for each of the perforated holes, and there is a problem that it is difficult to cope with the water stopping process, particularly when the surface of the hole is uneven like a recent outer wall.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a liquid supply pipe drawer which can perform a water hole stop processing on an outer wall at a single location and easily perform a water stopping process on the periphery of an opening, and a liquid supply pipe using the drawer. It is to provide a piping structure.

[0009]

According to the present invention, there is provided a drawer for drawing a plurality of liquid supply pipes arranged in a wall out of a wall, the drawer being an outer wall of a building. And a penetrating member that protrudes from both sides of the plate body and has a plurality of insertion passages through which the liquid supply pipes are inserted.

According to a second aspect of the present invention, there is provided the liquid supply tube drawer according to the first aspect, wherein the penetrating member is separate from the plate main body, and a cylindrical portion having an insertion passage is provided. A flange protruding from the outer surface of the middle part of the section, the insertion passage is inclined with respect to this flange, and a through hole provided in the plate body is covered with the flange in a watertight manner. Things.

According to a third aspect of the present invention, a plurality of openings provided on the outer wall of the building are water-tightly covered with the liquid supply pipe drawer according to the first or second aspect, and pipes are provided in the wall. A liquid supply pipe is drawn out of the wall through each insertion passage of the drawer,
The end of each drawn-out liquid supply pipe is a piping structure of the liquid supply pipe connected to each connection part of the hot water supply equipment installed outside the building.

(Operation) In the present invention according to the first aspect, the drawer for drawing out the liquid supply pipe laid in the wall to the outside of the wall is a plate body that covers an opening provided on the outer wall of the building in a watertight manner. And a penetrating member protruding from both sides of the plate body and having an insertion passage through which the liquid supply pipe is inserted, so that one opening provided at a predetermined location on the outer wall is covered with the plate body in a watertight manner. Through the insertion passage of the penetrating member of the plate body, the liquid supply pipe provided inside the wall can be drawn out of the wall. As described above, since only one opening is required to be provided in the outer wall, the work of attaching the drawer can be easily performed with good workability. In addition, the opening can be reliably waterproofed.

According to the second aspect of the present invention, the penetrating member includes the cylindrical portion having the insertion passage and the flange protruding from the outer surface of the middle portion of the cylindrical portion, and is separate from the plate body. Since it is available, it can easily cope with various variations. In addition, by assembling the plate body and the penetrating member in advance in a factory or the like and delivering them to the construction site, it is possible to save labor for installation and construction work at the site.

Also, since the insertion passage of the penetrating member is inclined with respect to the flange, the liquid supply pipe installed in the wall is drawn out of the wall through the inclined insertion passage without buckling. It can be connected to each connection part of the hot water supply equipment installed outside the building.

According to a third aspect of the present invention, a plurality of openings provided in the outer wall of the building are covered in a watertight manner with the liquid supply pipe drawer according to the first or second aspect, and are provided in the wall. A liquid supply pipe is drawn out of the wall through each insertion passage of the drawer,
Since the end of each of the drawn liquid supply pipes has a piping structure of a liquid supply pipe connected to each connection portion of a hot water supply device installed outside the building, a building to which this piping structure is applied is, for example, a box. In the case of a prefabricated unit house in which a plurality of building units of a mold type are assembled at a construction site, the piping structure of the liquid supply pipe can be incorporated in the building unit in advance at a production site such as a factory.

Further, even when a liquid supply pipe is piped at a building site, since the insertion passage through which the liquid supply pipe is inserted is inclined with respect to the flange, the pipe is inserted into the wall through the inclined insertion path. The drawn liquid supply pipe can be pulled out of the wall without causing buckling, and can be connected to each connection portion of the hot water supply device installed outside the building.

[0017]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a perspective view showing a first embodiment of the drawer of the present invention, and FIG. 2 is an explanatory view showing an assembled state of the drawer of FIG.

In FIG. 1, reference numeral 1 denotes a drawer for drawing a liquid supply pipe provided inside a wall to the outside of the wall. The drawer 1 is composed of one aluminum plate body 2 and four penetrating members 3. The plate body 2 covers a rectangular opening provided at one location on the outer wall of the building, and its dimensions are slightly larger than the opening on the outer wall. In the upper part of the plate body 2, a horizontally long inspection port 21 is formed, and in the lower part, four vertically long holes 22 are formed at intervals in the width direction. The upper and lower portions of the long hole 22 are arc-shaped.

A wooden board 2a is fixed to the back side of the plate main body 2, and the long holes 22 and the inspection opening 21 are formed through the wooden board 2a. Plate body 2
Eight bolt holes 23 are drilled in the outer peripheral edge of the plate body 2 located outside the bolt holes 23.
Is attached. Further, six screw holes 24 are drilled in the outer peripheral edge of the inspection port 21, and four screw holes 25 are drilled in the outer peripheral edge of the four long holes 22.

In the case of the drawer 1 shown in FIG. 1, the penetrating member 3 is made of, for example, hard vinyl chloride resin, and the plate body 2
And is separate. This penetrating member 3 is inserted into the insertion passage 31.
1 and a substantially square flange 32 that is integrally and protruded at an angle of about 30 degrees on the outer surface of a middle part of the cylindrical part 31. The size of the flange 32 is such that it can cover the long hole 22 formed in the lower part of the plate body 2. Four screw holes 33 are formed in the outer peripheral edge of the flange 32. A sealing material 34 made of foamed butyl rubber is attached to the outer peripheral edge of the back surface of the flange 32 over the entire circumference.

Then, as shown in FIG.
The back surface of each of the flanges 32 of the four penetrating members 3 to which are adhered are aligned and abutted on the outer peripheral edge of each of the long holes 22 of the plate body 2, and screw holes are formed in the outer peripheral edge of each of the flanges 32. By being fixed in a watertight manner with the screw 4 using the screw 33, the drawer 1 is used to draw the liquid supply pipe provided inside the wall to the outside of the wall.

Next, the manner of use of the drawer 1 of FIG. 1 will be described. 3 is an explanatory view showing an attached state of the drawer 1 of FIG. 1, FIG. 4 is an enlarged sectional view of a main part showing a fixed state of the drawer 1, and FIG. 6 is a side view corresponding to FIG. 5, and FIG. 7 is a sectional view taken along line XX of FIG.

First, an opening W1 is provided in an outer wall W of a building by using an appropriate drilling jig, and eight bolt holes W3 are formed in the outer wall W located around the opening W1. The positions of the eight bolt holes W3 correspond to the eight bolt holes 23 existing on the outer peripheral edge of the plate body 2 of the drawer 1.
It corresponds to. The dimensions of the opening W1 are 300 mm in length and 4 in width.
00 mm. Next, as shown in FIG.
Is filled with a sealing material 5 made of foamed butyl rubber having a length of about 25 mm in a vertical groove W2 of an outer wall W which is present above and below substantially the center.

Then, as shown in FIG. 4, the back surface of the plate body 2 of the drawer 1 is brought into contact with the outer peripheral edge of the opening W1, and the bolt holes 23 of the plate body 2 and the bolt holes W of the outer wall W are formed.
3 and fasten with bolts 6 and nuts 7 to fix. At this time, the sealing material 5 is placed at a predetermined position of the vertical groove W2 of the outer wall W.
And the sealing material 26 made of foamed butyl rubber is adhered over the entire outer periphery of the plate body 2 of the drawer 1, so that the opening W1 of the outer wall W is watertight in the plate body 2 of the drawer 1. Covered. The space between the head of the bolt 6 and the surface of the plate body 2 is stopped by the sealing packing 6a.

The liquid supply pipes P1 to P4 connected to the in-wall WI are drawn out of the wall through the insertion passages 311 of the drawer 1. At this time, as is clear from FIGS. 6 and 7, the respective insertion passages 311 are inclined obliquely upward at an angle of about 30 degrees with respect to the surface of the plate body 2, that is, the outer wall W.
When the liquid supply pipes P1 to P4 are pulled out of the wall from the WI side in the wall, the liquid supply pipes P1 to P4 can be smoothly pulled out without buckling or the like. In FIG. 6, CP is a sheath tube composed of a corrugated tube.

Then, the ends of the drawn liquid supply pipes P1 to P4 are connected to the respective connection ports Q1 to Q4 of the hot water supply device Q installed on the outer wall W at a position above the drawer 1. At this time, since each insertion passage 311 is inclined obliquely upward with respect to the surface of the outer wall W, the end of each of the supply pipes P1 to P4 is directly bent without bending the end of each of the supply pipes P1 to P4. And can be connected.

Next, the work is completed by covering the inspection port 21 on the upper part of the plate body 2 of the drawer 1 with the inspection lid 21a and screwing it, and the piping structure of the liquid supply pipe shown in FIGS. 5 and 6 is completed. Will be obtained. The lower part of the hot water supply device Q including the drawer 1 is covered with a metal protective cover.

In the piping structure of the liquid supply pipe shown in FIGS. 6 and 7, even if each of the insertion passages 311 is inclined obliquely upward with respect to the surface of the outer wall W, the hot water supply apparatus Q including the drawer 1 can be used. Since the lower portion is covered with the protective cover 8, each insertion passage 3
Infiltration of rainwater through 11 is prevented.

In the above-described embodiment, the penetrating member 3 constituting the drawer 1 is formed by integrally forming a cylindrical tubular portion 31 and a flange 32 projecting obliquely from the outer surface of the tubular portion 31. However, as shown in FIG. 8 to FIG.
1 and the flange 32 are separated from each other, and
May be divided into an outdoor-side cylindrical portion 31a and an indoor-side cylindrical portion 32b, and screws may be provided at ends of both the cylindrical portions 31a and 32b, and may be screw-connected via the flange 32. In addition,
The same components as those in the embodiment of FIG.

In the above embodiment, the opening W1 of the outer wall W is provided.
The outer surface of the drawer 1 is brought into contact with the back surface of the plate body 2 and fastened and fixed with bolts 6 and nuts 7.
A crank-shaped frame having a cross-sectional shape may be screwed to the outer peripheral edge on the back surface side of the opening W1 of the outer wall W, and the back surface of the plate body 2 may be contacted with this frame and screwed.

Further, in the above embodiment, the horizontally long inspection port 21 is provided at the upper part of the plate body 2 constituting the drawer 1, but the inspection port 21 may be omitted, and may be provided as necessary. I just need.

[0032]

According to the first aspect of the present invention, there is provided a drawer for drawing out a liquid supply pipe provided in a wall to the outside of the wall, the plate body covering an opening provided in an outer wall of the building in a watertight manner, Since the plate body is provided with a penetrating member provided with an insertion passage through which a liquid supply pipe is inserted through both sides of the plate body, one opening provided at a predetermined location on the outer wall is covered with the plate body in a watertight manner, Through the insertion passage of the penetrating member of the plate body, the liquid supply pipe provided in the wall can be drawn out of the wall. As described above, since only one opening is required to be provided in the outer wall, the work of attaching the drawer can be easily performed with good workability. In addition, the opening can be reliably waterproofed.

According to the second aspect of the present invention, the penetrating member includes the cylindrical portion having the insertion passage and the flange protruding from the outer surface of the middle portion of the cylindrical portion, and is separate from the plate body. Since it is available, it can easily cope with various variations. In addition, the plate body and the penetrating member can be assembled in advance in a factory or the like and delivered to the construction site, and labor for installation and construction work at the site can be saved.

Further, since the insertion passage of the penetrating member is inclined with respect to the flange, the liquid supply pipe installed in the wall is drawn out of the wall through the inclined insertion passage without buckling. It can be connected to each connection part of the hot water supply equipment installed outside the building.

According to a third aspect of the present invention, a plurality of openings provided on the outer wall of the building are water-tightly covered with the liquid supply pipe drawer according to the first or second aspect, and pipes are provided in the wall. A liquid supply pipe is drawn out of the wall through each insertion passage of the drawer,
Since the end of each of the drawn liquid supply pipes has a piping structure of a liquid supply pipe connected to each connection portion of a hot water supply device installed outside the building, a building to which this piping structure is applied is, for example, a box. In the case of a prefabricated unit house in which a plurality of building units of a mold type are assembled at a construction site, the piping structure of the liquid supply pipe can be incorporated in the building unit in advance at a production site such as a factory.

Further, even when a liquid supply pipe is piped at a construction site, since the insertion passage through which the liquid supply pipe is inserted is inclined with respect to the flange, the pipe is inserted into the wall through the inclined insertion path. The drawn liquid supply pipe can be pulled out of the wall without causing buckling, and can be connected to each connection portion of the hot water supply device installed outside the building.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a first embodiment of a drawer of the present invention.

FIG. 2 is an explanatory view showing an assembled state of the drawer of FIG. 1;

FIG. 3 is an explanatory view showing an attached state of the drawer 1 of FIG. 1;

FIG. 4 is an enlarged sectional view of a main part showing a fixed state of the drawer.

FIG. 5 is a front view showing a piping structure of a liquid supply pipe using the drawer of FIG. 1;

FIG. 6 is a side view corresponding to FIG. 5;

FIG. 7 is a sectional view taken along line XX of FIG. 5;

FIG. 8 is a front view showing a modification of the penetrating member.

FIG. 9 is a rear view corresponding to FIG. 8;

FIG. 10 is a sectional view taken along the line YY of FIG. 8;

FIG. 11 is an explanatory sectional view showing a piping structure of a conventional liquid supply pipe.

FIG. 12 is an explanatory sectional view showing a piping method of the liquid supply pipe of FIG.

[Explanation of symbols]

 DESCRIPTION OF REFERENCE NUMERALS 1 drawer 2 plate main body 2a wood board 21 inspection port 21a inspection lid 22 long hole 23 bolt hole 26 sealing material 3 penetrating member 31 cylindrical cylindrical portion 311 insertion passage 32 flange 33 screw hole 34 sealing material P1 to P4 CP Sheath tube Q Hot water supply equipment Q1-Q4 Connection port W Outer wall W1 Opening W3 Bolt hole WI Inside wall 5 Sealing material

Claims (3)

[Claims] 1. A drawer for drawing a plurality of liquid supply pipes arranged in a wall out of a wall, the drawer comprising a plate body for covering an opening provided in an outer wall of a building in a watertight manner, And a penetrating member protruding from both sides of the plate body and having a plurality of insertion passages through which the respective liquid supply tubes are inserted. The penetrating member is separate from the plate body, and comprises a cylindrical portion provided with an insertion passage, and a flange protruding from an outer surface of a middle portion of the cylindrical portion. 2. The liquid supply pipe drawer according to claim 1, wherein the insertion passage is inclined, and a through hole provided in the plate body is covered with the flange in a watertight manner. 3. An opening provided on an outer wall of a building is covered with the liquid supply pipe drawer according to claim 1 in a watertight manner, and a plurality of liquid supply pipes piped in the wall are provided with the drawer. Characterized in that the end of each of the drawn out liquid supply pipes is connected to each connection port of a hot water supply device installed outside the building through the respective insertion passages. Construction.