JP2000001886A - Drain pipe body - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a drain pipe body for which pipe clogging, if occurs, can be easily eliminated. SOLUTION: A drain pipe body 3 is arranged in a wall of a building and comprises a main body pipe portion 3a through which drain water flows, a first connecting portion 3d at the upper portion of the main body pipe portion 3a, and a second connecting portion 3e at the lower portion of the main body pipe portion 3a. In addition, the main body pipe portion 3a is provided with an inspection hole 3g for inspecting the inside of the main body pipe portion 3a. Also, this inspection hole 3g is equipped with a detachable lid member 3k to permit the opening and closing from the front side of the wall. By doing this, if the drain pipe body 3 is clogged, then the pipe clogging can be eliminated through the inspection hole 3g after removing the lid member 3k from the inspection hole 3g.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a drainage pipe disposed in a wall of a building.

[0002]

2. Description of the Related Art In recent years, the wall thickness of a building, in particular, the wall partitioning each room of a house or the like tends to be thin. Therefore, conventionally, in accordance with the reduced wall thickness, the drain pipes arranged in the wall also have to be reduced in diameter, and as a result, particularly, domestic waste from sinks and toilets is reduced. In the wastewater containing, there was a possibility that the pipe might be clogged.

[0003] The present invention has been made to solve the above-mentioned conventional drawbacks, and an object of the present invention is to easily eliminate clogging of a pipe even if the clogging occurs. It is an object of the present invention to provide a drainage pipe that can be used.

[0004]

A drain pipe according to the present invention has the following structure to achieve the above object.
That is, the drainage pipe according to the first aspect of the invention is:
A body pipe is provided in a wall of the building and through which drainage flows. The main body pipe is provided with an inspection port that can be opened and closed from the front side of the wall for inspecting the inside of the main body pipe. As a result, this drainage pipe is
In the case where the pipe is clogged, by opening the inspection port, it is possible to inspect the inside of the main body pipe portion through the inspection port and remove the pipe clogging.

[0005] Further, like the drainage pipe according to the second aspect of the present invention, the drainage pipe is opened on the upper side of the main body pipe toward the front side of the wall and is disposed on the front side of the wall. A first connection portion to which a front-side drainage pipe is connected; and a second connection portion to a lower side of the main body pipe portion, to which a below-floor drainage pipe arranged under the floor is connected. Is also good. Thus, the drainage pipe body has the first connection part on the upper side of the main body pipe part and the second connection part on the lower side, so that the front drainage part connected to the first connection part is provided. The drainage flowing through the pipe flows into the main body pipe part, and further flows into the underfloor drain pipe connected to the second connection part.

Further, as in the drainage pipe according to the third aspect of the present invention, it is preferable that the inspection port is provided between the first connection portion and the second connection portion. Thereby, when inspecting the inside of a main body pipe part, by opening the inspection port between the first connection part and the second connection part,
Inspection around the first connection and around the second connection can be performed.

Further, as in the drainage pipe according to the fourth aspect of the present invention, the second connecting portion may extend from the main body pipe in a direction substantially along the floor. This facilitates disposing the underfloor drain pipe connected to the second connection portion so as to be substantially along the floor.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a drainage pipe according to the present invention will be described below with reference to the drawings.

FIG. 1 to FIG. 5 show an embodiment of a drainage pipe according to the present invention. Reference numeral 1 in the figure is a floor of a building. Reference numeral 2 denotes a partition wall of the building, and two wall panels 2a and 2b are fixed so as to be addressed to both sides of the body edge 2c. Reference numeral 3 denotes a drain pipe disposed in the wall 2 and has a main pipe section 3a through which drain water flows.

The main body tube portion 3a has a substantially rectangular parallelepiped shape that is long in the direction in which drainage flows in the hollow interior, and its longitudinal direction is, for example, the vertical direction.
It is arranged in. The main body tube portion 3a has a cross-sectional shape (a horizontal cross-sectional shape in the illustrated embodiment) orthogonal to the direction in which the drainage flows, which is the longitudinal direction, of the main body tube portion 3a. It is formed so as to have a shape extending in a direction Y along the direction, that is, a direction Y orthogonal to the thickness direction X of the wall 2 (a rectangular shape in the illustrated embodiment) (see FIG. 4). Further, in the illustrated embodiment, the inner space area S1 (FIG.
Is larger than the inner space area S2 (see FIG. 5) of a cross section of the front drain pipe 4, which will be described later, perpendicular to the direction in which it extends. At the upper end portion of the main body tube portion 3a, mounting portions 3b, 3b projecting in a plate shape are provided on both left and right sides, and the mounting portions 3b, 3b have mounting holes 3c vertically penetrating therethrough. , 3c are drilled.

The drainage pipe 3 has a first connection 3d on the upper side of the main body 3a, and a second connection 3e on the lower side of the main body 3a. The first connecting portion 3 d is opened from the surface 3 f facing the back surface of one wall panel 2 a of the wall 2 in a direction orthogonal to the surface 3 f (that is, the horizontal direction) so as to open toward the front side of the wall 2. It is formed to extend so as to protrude in a cylindrical shape. And this first
Is connected to a front-side drain pipe 4 provided on the front side of the wall 2.

The second connecting portion 3e is formed by a pipe extending in a direction slightly lower than a direction orthogonal to the surface 3f (that is, a horizontal direction) from the lower surface 3f of the main body tube portion 3a communicating with the floor 1. It extends so as to protrude in a shape, and its extending direction is a direction substantially along the floor 1. The underfloor drain pipe 5 arranged below the floor 1 is connected to the second connection portion 3e. Thus, the first connecting portion 3
The drain water flowing through the front drain pipe 4 connected to the drain pipe 3 flows into the main pipe section 3a of the drain pipe 3, and further flows into the underfloor drain pipe 5 connected to the second connection section 3e.

The main body tube 3a is provided with the main body tube 3a.
An inspection opening 3g that can be opened and closed from the front side of the wall 2 for inspecting the inside of a is provided. This inspection opening 3g is
Located between the first connection 3d and the second connection 3e,
From the surface 3f of the main body tube portion 3a, in a direction orthogonal to the surface 3f (that is, in a horizontal direction), it is shorter than the first connection portion 3d so as to open toward the front side of the wall 2, and projects cylindrically. It is formed so as to extend. A female screw portion 3h is threaded on the inner peripheral surface of the inspection port 3g. Further, a male screw portion 3i screwed with the female screw portion 3h is provided in the inspection opening 3g so as to be openable and closable from the front side of the wall 2.
Is provided on the outer peripheral surface and a lid member 3k provided with a packing 3j made of an O-ring is provided on the outer peripheral surface.

Here, the drainage pipe 3 is disposed in advance in the wall 2 of the building, and as shown in FIG.
The second connecting portion 3e of the main body tube portion 3a is disposed between the two wall panels 2a and 2b such that the second connecting portion 3e is located below the floor 1 of the building. At the same time, the underfloor drain pipe 5 is connected to the second connection portion 3e of the drain pipe 3 so as to be fixed by bonding or the like. At this time, the first connecting portion 3d of the drainage pipe 3 is inserted into the first hole 2d formed in the wall panel 2a, and the inspection port 3g is formed in the wall panel 2a together with the lid member 3k. Is inserted into the second hole 2e. Then, the upper surface 3m and the mounting portions 3b, 3b of the drainage pipe 3 are addressed to the lower surface of the body edge 2c in the wall 2 so as to pass through a fixing tool (not shown), for example, a mounting hole 3c. With a wood screw or the like screwed into the waist edge 2c,
It is attached to the waist 2c. Further, cap 6 is attached to first connection portion 3d so as to be fitted. At this time, the cap 6 is connected to the first connecting portion 3.
Packing 3 consisting of an O-ring provided on the inner peripheral surface of d
n so as to be detachably mounted. And on the front side of the wall panel 2a, a decorative board 7 is provided.
It is detachably attached by fasteners 8 such as wood screws. This decorative plate 7 has a substantially rectangular flat plate shape whose longitudinal direction is the longitudinal direction, and has a hole 7a formed in the upper part thereof.
Is fitted to the first connection part 3d, and the lower part thereof is
The cover member 3k closing the g is covered.

Then, when installing an appliance (not shown) such as a sink and a toilet, as shown in FIG. 2, the front drain pipe 4 is connected so as to connect the appliance to the first connection portion 3d.
Is deployed. At this time, the cap 6 is connected to the first connecting portion 3d.
And the front drain pipe 4 is removed from the first connecting portion 3d.
Is press-fitted into a packing 3n provided on the inner peripheral surface of the first connection portion, and is detachably connected to the first connection portion 3d.
Here, when inspecting the inside of the main body tube portion 3a, the decorative plate 7 is removed from the wall surface panel 2a, and the lid member 3 is further removed.
By removing k from the inspection opening 3g, the internal inspection is performed.

Next, the operation and effect of the drainage pipe 3 having the above configuration will be described. The drainage pipe 3 provided in the wall 2 of the building has an inspection opening 3g which can be opened and closed from the front side of the wall 2 for inspecting the inside of the main body pipe 3a. Is provided. Therefore, when the drainage pipe 3 is clogged,
The decorative panel 7 is removed from the front side of the wall 2, and the lid member 3k is removed from the inspection port 3g.
By opening g, the inside of the main body tube portion 3a can be inspected through the opened inspection port 3g and the clogging of the tube can be removed. Further, since the inspection port 3g is provided between the first connection portion 3d and the second connection portion 3e,
By simply opening this one inspection port 3g, the inside of the main body pipe portion 3a, particularly the bent portion around the first connection portion 3d and the bent portion around the second connection portion 3e, which is liable to cause clogging, is inspected. be able to.

Further, since the front side drain pipe 4 is configured to be detachably connected to the first connection portion 3d, it is possible to easily install equipment such as a sink and a toilet.
The second connecting portion 3e extends from the main body pipe portion 3a in a direction substantially along the floor 1, and moves the underfloor drainage pipe 5 connected to the second connecting portion 3e so as to be substantially along the floor 1. It is easy to arrange.

The main body 3a of the drainage pipe 3 has a cross section perpendicular to the direction in which the drainage flows, and has a shape extending longer in the direction Y along the wall 2 than in the thickness direction X of the wall 2. , The inner space area S1 of the cross section of the main body tube portion 3a.
Can be increased. As a result, it is possible to increase the flow rate of wastewater flowing inside the main body pipe portion 3a,
Even when the drainage pipe 3 is disposed in the thin wall 2, the required drainage flow rate can be ensured.
Particularly, in the illustrated embodiment, the main body tube portion 3a
Is larger than the inner space area S2 of the cross section orthogonal to the direction in which the front drain pipe 4 extends, that is, the direction in which the drain water flowing inside the front drain pipe 4 flows. Compared to the drain pipe 4, the main pipe section 3a
The flow rate of wastewater in is ensured sufficiently.

The present invention is not limited to the embodiment described above, and various other modifications are possible. For example, the drainage pipe 3 may be applied not only to a pipe for connecting the front side of the wall 2 and the bottom of the floor 1 but also to a pipe for connecting an upper floor and a lower floor. In addition, the present invention can be applied to all pipes arranged in the wall 2 of a building.

The inspection port 3g is provided not only between the first connection portion 3d and the second connection portion 3e, but also above the first connection portion 3d as shown in FIG. Alternatively, it may be provided only above the first connection portion 3d without being provided between the first connection portion 3d and the second connection portion 3e. Further, the front-side drain pipe 4 may be connected to the first connection portion 3d so that the front-side drain pipe 4 is fixed by bonding or the like without being detachably connected.

The second connecting portion 3e is connected to the main tube portion 3a.
However, as shown in FIG. 7, it may not extend in a direction substantially along the floor 1 and extend downward from the main body tube portion 3a. In this case, the underfloor drain pipes 5, 5 may be connected to the second connection portion 3e via, for example, a substantially T-shaped pipe joint K1.

Further, the main body tube portion 3a may be formed in a cylindrical shape as shown in FIGS. 8 and 9 without having a substantially rectangular parallelepiped shape. At this time, the lid member 3k is connected to the inspection port 3g.
Alternatively, it may be detachably attached by a fixing means such as a screw member 9. Further, here, the first connection portion 3d and the second connection portion 3e may be formed integrally with the main body tube portion 3a as shown in FIG. 8, or formed separately as shown in FIG. And may be connected by adhesion or the like.

The drainage pipe 3 according to the present invention is suitably used as a pipe which is previously installed at the time of building the building so that the drainage position in the building can be changed in preparation for future room remodeling or the like. Although it can be used, it goes without saying that it is not limited to such a tube.

[0024]

As will be apparent from the above description, the drainage pipe according to the present invention has the following effects.

According to the first aspect of the present invention, even when the drainage pipe is clogged, the inside of the main body pipe is inspected by opening the inspection port. Therefore, the clogging of the tube can be easily eliminated.

In addition, according to the drainage pipe according to the second aspect, the drainage flowing through the front-side drainpipe disposed on the front side of the wall can be removed by the floor through the drainage pipe. Into the underfloor drain provided below.

In addition, according to the drainage pipe according to the third aspect, when the inside of the main body pipe is inspected, by opening the inspection port, the inside of the first connection part can be rotated. And inspection around the second connection.

According to the drainage pipe of the fourth aspect, in addition, the underfloor drainage pipe connected to the second connecting portion can be easily arranged substantially along the floor. it can.

[Brief description of the drawings]

FIG. 1 shows an embodiment of a drainage pipe according to the present invention;
It is an exploded perspective view.

FIG. 2 is a vertical sectional view showing a state in which a drain pipe is disposed in a wall and a front drain pipe is connected.

FIG. 3 is a vertical sectional view showing a state in which a drainage pipe is arranged in a wall and a cap is attached to a first connecting portion.

FIG. 4 is an enlarged sectional view taken along line AA in FIG.

FIG. 5 is an enlarged sectional view taken along line BB in FIG. 2;

FIG. 6 is a perspective view of another embodiment of the drainage pipe according to the present invention.

FIG. 7 is a longitudinal sectional view of still another embodiment of the drainage pipe according to the present invention.

FIG. 8 is an exploded perspective view of still another embodiment of the drainage pipe according to the present invention.

FIG. 9 is an exploded perspective view of still another embodiment of the drainage pipe according to the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Floor 2 Wall 3 Drainage pipe 3a Main body pipe 3d 1st connection part 3e 2nd connection part 3g Inspection port 4 Front side drain pipe 5 Underfloor drain pipe

Claims (4)

[Claims] 1. A drainage pipe provided in a wall of a building and provided with a main body pipe through which drainage flows, wherein the main body pipe is provided for inspecting the inside of the main body pipe. A drainage pipe which is provided with an inspection opening which can be opened and closed from the front side of the wall. 2. A drainage pipe according to claim 1, wherein the drainage pipe is opened toward the front side of the wall at an upper side of the main body pipe portion, and is disposed on the front side of the wall. And a second connection part connected to a lower part of the main body pipe part, to which an underfloor drain pipe arranged under the floor is connected. Drainage pipe. 3. The drainage pipe according to claim 2, wherein the inspection port is provided between the first connection part and the second connection part. Tube. 4. The drainage pipe according to claim 2, wherein the second connection portion extends from the main body pipe portion in a direction substantially along the floor. Tube.