JPH0776864A - Building piping method and piping structure thereof - Google Patents

Abstract

PURPOSE:To prepare piping drawing work and carry out piping work with efficiency. CONSTITUTION:When drafting a basic building design, at first, virtual trunk lines 3A, 4A and 5A for a utility piping system (water piping) are set and then factual trunk lines 3B, 4B and 5B, which extend near to a wash stand unit 6 and a kitchen unit 7, are installed at this position. Each of these trunk lines 3A, 4B and 5B is connected to branch lines 9 to 11, and 12 to 14, which extend the virtual trunk lines 3A, 4A and 5A from the wash stand unit 6 and the kitchen unit 7.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a piping method of a building and its piping structure, and is useful for installing a water supply facility such as a washbasin and a toilet in a unit construction building, a panel construction building, or a conventional construction building. Available.

[0002]

BACKGROUND ART A unit-type building is constructed by combining a plurality of building units and the like produced in a factory in advance at a construction site. In such a unit-type building, water supply facilities such as a wash basin, a kitchen, a bathroom, and a toilet are installed as in a normal building. By the way, even in an industrialized building, in order to respect the user's request of the unit type building, the water supply facility is installed at a predetermined position in the building unit according to the user's request. For this reason, conventionally, after the installation position of the water supply facility is determined, a piping diagram of the water supply facility is created and piping is performed based on the drawing. In addition, pipes such as a hot water supply pipe, a water supply pipe, a drainage pipe, and a sewage pipe, which are piping systems in the water supply facility, are formed by connecting each water supply facility and the pipe space at the shortest distance.

[0003]

However, in the piping system for a building as described above, since the installation position of the water supply facility is different for each user, the piping is different for each building. Therefore, it takes a lot of time and labor to create a piping diagram corresponding to the installation position of the water supply equipment for each user, and it is no different from a custom-built house even though it is an industrialized building. There was a problem that was inefficient.

It is an object of the present invention to provide a piping method for a building and a piping structure thereof, which can efficiently perform a piping diagram making operation and a piping operation and can improve the workability thereof. .

[0005]

Therefore, the building piping method according to the present invention sets a virtual trunk pipe of a plumbing system for a water supply facility in a building at the time of basic designing of the building, and the individual users who have different users After the installation position of the water handling facility is determined in the building, the water handling facility is installed at that position, and the water handling facility piping that extends to the position of the virtual trunk pipe in the water handling facility is installed. An actual trunk pipe that is piped to a branch pipe of the system, and after this branch pipe and the installation position of the water supply facility have been determined, are piped to the position of the virtual trunk up to a position near the water supply facility. It is characterized by connecting and.

Further, the piping structure of the building includes an actual trunk pipe extending to a position near the water handling facility at a position of the virtual trunk pipe of the water handling facility piping system set in the building, It is characterized in that it is connected to the branch pipe of the piping system for the water supply equipment extending from the water supply equipment to the position of the virtual trunk pipe.

In the piping structure of this building unit, the virtual trunk pipe for the water supply facility may be linearly set. Further, the virtual trunk pipe for the water supply facility may be set in a closed loop in the building. In this case, a plurality of virtual trunk pipes for water supply facilities are set, and one of them is used as a toilet wastewater pipe, and the branch pipe of this wastewater pipe is placed at the position of another virtual trunk pipe. It is connected to the actual trunk pipe of the sewage pipe, which is the other side of the pipe.

[0008]

According to the present invention as described above, a virtual trunk pipe for the water supply facility piping system is set in the building during the basic design of the building, and the position of the virtual trunk pipe is the location of the water supply facility product in the building. After the installation position is determined and the water supply facility is installed, the actual position of the trunk pipe is up to the position near the installation position. This actual trunk pipe is connected to a branch pipe of a plumbing system for a water handling facility that is piped to the water handling facility. For this reason, it is possible to determine the position of the common trunk pipe that is common throughout each building during the basic design of the building, and after determining the installation position of the water supply equipment at the user's request, only the piping diagram of the branch pipe Should be created, which improves the efficiency of the piping diagram creation work and the piping work.

Further, in the piping structure of a building, a virtual trunk pipe for a water supply facility piping system is set in a closed loop in the building, and a plurality of virtual trunk pipes for water supply facility products are set. One of them is used as a toilet sewage pipe, and the branch pipe of this sewage pipe is connected to the actual trunk pipe of the sewage pipe that is in the opposite direction to the pipe placed at the position of the other virtual trunk pipe. In this case, the sewage pipe and other pipes will not intersect with each other, and the sanitary legal regulations can be satisfied.

[0010]

Embodiments of the present invention will be described below with reference to the drawings. The present embodiment is an example in which a plumbing system for a water supply facility is connected to a building unit that constitutes a unit-type building. First
In FIGS. 1 and 2 showing an embodiment, at a substantially central position in a short side direction in a predetermined building unit 1 which constitutes a unit type building, at the time of basic design of the unit type building, from the upper side in the figure , Three virtual trunk pipes 3A, 4A, 5A for hot water supply, water supply, and drainage, which are piping systems for water supply facilities, are set linearly along the long side direction of the building unit 1.

In such a building unit 1, it is assumed that a washbasin unit 6 and a kitchen unit 7 which are water supply facilities are installed at positions shown in FIG. 2 according to a user's request. The washbasin unit 6 and the kitchen unit 7 face each other with the virtual hot water supply trunk pipe 3A, the water supply trunk pipe 4A, and the drainage trunk pipe 5A sandwiched therebetween, and the virtual trunk pipes 3A, 4
A pipe space 8 is provided at one end of A and 5A.

The washstand unit 6 is provided with a branch pipe 9 for hot water supply, a branch pipe 10 for wash water supply, and a branch pipe 11 for wash drainage. Each of these branch pipes 9 to 11 is a virtual trunk. The pipes 3A, 4A, and 5A are at right angles or substantially right angles, and the branch pipe 9 is the trunk pipe 3A and the branch pipe 10 is the trunk pipe 4A.
In addition, the branch pipes 11 extend to the positions where they reach the trunk pipes 5A. The kitchen unit 7 also has a branch pipe 1 for kitchen hot water supply.
2, a branch pipe 13 for kitchen water supply and a branch pipe 14 for kitchen drainage are provided, and each of these branch pipes 12 to 14 is a right angle or a substantially right angle with respect to each of the virtual trunk pipes 3A, 4A, 5A. In addition, the branch pipe 12 extends to the trunk pipe 3A, the branch pipe 13 extends to the trunk pipe 4A, and the branch pipe 14 extends to the trunk pipe 5A.

At the positions of the virtual trunk pipes 3A, 4A, 5A, from the pipe space 8 after the installation positions of the washbasin unit 6 and the kitchen unit 7 are determined in the building unit 1 according to the user's request. To the position near the washbasin unit 6 (equipment around the pipe space 8)
Actual hot water supply trunk pipe 3B, water supply trunk pipe 4B, drainage trunk pipe 5
B is piped. Then, the actual hot water supply trunk pipe 3B, the branch pipe 9 of the sink unit 6 and the branch pipe 12 of the kitchen unit 7
And the water supply trunk pipe 4B, the branch pipe 10 of the sink unit 6 and the branch pipe 13 of the kitchen unit 7 are connected,
The drainage trunk pipe 5B, the branch pipe 11 of the sink unit 6 and the branch pipe 14 of the kitchen unit 7 are connected by, for example, an elbow or a tee. At a portion where the branch pipe intersects with a stem pipe other than the stem pipe to which the branch pipe is connected, the branch pipe is bent upward or downward to be connected to a predetermined stem pipe.

According to this embodiment as described above, the following effects can be obtained. That is, in a given building unit 1,
At the time of basic design of a unit type building, three virtual trunk pipes 3A, 4A, 5 for hot water supply, water supply, and drainage of water supply facilities
A is set in a straight line, and each of these virtual trunk pipes 3
At the positions A, 4A, 5A, after the installation positions of the washbasin unit 6 and the kitchen unit 7 are determined, the actual trunk pipes 3B, 4B, 5B up to the washbasin unit 6 are piped.
Each side pipe 9 to 1 from the washbasin unit 6 and the kitchen unit 7
1, 12 to 14 may be piped at right angles or substantially right angles to the virtual trunk pipes 3A, 4A, 5A, and these may be connected to the actual trunk pipes 3B, 4B, 5B. It is possible to determine the common position of the main pipe for each building during the basic design, and after the installation positions of the washbasin unit 6 and the kitchen unit 7 are determined by the user's request, the individual building for different users It is sufficient to create a piping diagram for each branch only. For this reason, the piping diagram creation work is facilitated, and the piping work performed in the building unit production factory can be performed easily because the arrangement positions of the main pipes are the same, and the workability of these works can be improved.

3 to 5 show a piping structure of a building according to the second embodiment of the present invention. As shown in these drawings, in the present embodiment, at the time of basic design of a unit type building, virtual trunk pipes 21A, 22A, 23A, 24A of a piping system for water supply facilities are closed loop in a predetermined building unit 20. The toilet unit 26 is set in a shape and can be used when the toilet unit 26 is provided in the building unit 20.

As shown in FIG. 3, inside the building unit 20, virtual trunk pipes 21 for hot water supply, water supply, drainage, and sewage, which are piping systems for water supply facilities from the outside of the unit 20, are provided.
A, 22A, 23A and 24A are set in a closed loop shape with a pipe space 27 interposed. It is assumed that, as shown in FIG. 4, a washbasin unit 25 and a toilet unit 26 are installed in such a building unit 20 as a water supply facility at the request of the user. The washbasin unit 25 and the toilet unit 26 are arranged inside each of the virtual trunk pipes 21A, 22A, 23A, and 24A.

The washbasin unit 25 is provided with branch pipes 28, 29, 30 for hot water supply for the wash, water supply for the wash, and drainage for the wash, respectively. Positions at which the branch pipe 28 reaches the trunk pipe 21A, the branch pipe 29 reaches the trunk pipe 22A, and the branch pipe 30 reaches the trunk pipe 23A while being at right angles or substantially right angles to the trunk pipes 21A, 22A, and 23A. Has been extended to. Toilet unit 26
Also, each branch pipe 31, 32 for toilet water supply and toilet waste water
The branch pipes 31 and 32 are formed at right angles or substantially right angles to the virtual trunk pipes 22A and 24A, and the branch pipe 31 is connected to the trunk pipe 22A and the branch pipe 32. Extend to the position where they respectively reach the trunk pipe 24A.

Each of the virtual trunk pipes 21A, 22A, 23A
At the position, after the installation position of the washbasin unit 25 and the toilet unit 26 is determined in the building unit 1 by the user's request, the actual hot water supply trunk from the pipe space 27 to the position near the washbasin unit 25 is determined. A pipe 21B, a water supply trunk pipe 22B, and a drainage trunk pipe 23B are installed. In addition, at the position of the virtual main pipe 24A, from the pipe space 27 to the position near the toilet unit 26, the actual main pipe 2 for wastewater is provided.
4B is piped. The sewage main pipe 24B is provided in the opposite direction to the above-mentioned main pipes 21B, 22B and 23B. Then, the actual hot water supply trunk pipe 21B and the branch pipe 28 of the washbasin unit 25, the water supply trunk pipe 22B and the branch pipe 29 of the washstand unit 25, the drainage trunk pipe 23B and the branch pipe 3 of the washstand unit 25
0 is connected to each other, the branch pipe 31 of the toilet unit 26 is connected to the water supply trunk pipe 22B, and the branch pipe 32 is connected to the sewage trunk pipe 24B, which are connected by, for example, an elbow or a tee. It

Also in this embodiment, the first
In addition to the effects similar to those of the embodiment, the virtual trunk pipes 21A, 22A, 23A, 2 of the plumbing system for water supply equipment can be obtained.
4A is set as a closed loop, so that the main pipe 24B for toilet wastewater is replaced with the other main pipes 21B, 22B, 23.
Since it is possible to pipe in the opposite direction to B, as compared with the case of the first embodiment, the sewage pipe consisting of the sewage main pipe 24B and the branch pipe 32 is a pipe consisting of the main pipe and the branch pipe connected to the sink unit 25. Therefore, it is possible to obtain the effect that the toilet unit 26 can be installed at any position in the building unit 20 while satisfying the sanitary regulations.

The present invention is not limited to the above-described embodiments, but includes the following modifications as long as the object of the present invention can be achieved. For example, in the first embodiment, the virtual trunk pipes 3A, 4A, 5A are set along the long side direction of the building unit 1, but the invention is not limited to this, and set along the short side direction of the building unit 1. You may. In short, it is sufficient if each virtual trunk pipe is set in a straight line.

In the first embodiment, the virtual trunk pipes 3 for hot water supply, water supply, and drainage are sequentially arranged from the upper side in FIG.
Although A, 4A, and 5A are set, the order of these may be reversed, for example. Further, since the installation position of the water supply equipment such as the washbasin unit 6 and the kitchen unit 7 is determined according to the user's request, the installation position is arbitrary.

Further, in the second embodiment, the virtual trunk pipes 21A for the wash water supply, the wash water supply, the wash basin and the toilet drainage, and the toilet wastewater are sequentially provided from the outside to the inside of the building unit 20 in FIG. , 22A, 23A, 24A are set, but the order is not limited to this, and the order may be reversed,
For example, the virtual trunk pipe 24A for toilet dirty water may be set outside. In short, the actual trunk pipe 24B for toilet wastewater
However, it suffices that the pipe is provided around the opposite direction to the other actual trunk pipe 21B and the like.

As an example to which the building piping method and the piping structure are applied, the building units 1 and 20 of the unit type construction method have been described above, but the invention is not limited to this, and the building piping method and the building piping method of the present invention can be used. The piping structure can be applied to, for example, a panel construction method or a conventional construction method building.

[0024]

As described above, according to the piping method and piping structure for a building unit of the present invention, a virtual trunk pipe for a plumbing system for a water supply facility is set in a building during basic design of the building. As for the position of this virtual main pipe, after the installation position of the water supply equipment is determined and installed in the building, the position of the actual main pipe is up to the position near them. This actual trunk pipe is connected to the branch pipe of the plumbing system for the water handling facility that is connected to the water handling facility, so the position of the common trunk pipe for each building is determined during the basic design of the building. After the installation position of the water supply equipment is determined by the user's request, the user only needs to create the piping diagram for only the branch pipe for each different building. The efficiency is improved, and since the piping position of the main pipe is the same in each building, the efficiency of this piping work is also improved.

Further, since the virtual trunk pipe of the plumbing system for the water supply facility is set in a closed loop shape in the building, the actual trunk pipe for toilet sewage is piped in the opposite direction from other actual trunk pipes. it can. Therefore, it is possible to arrange the toilet sewage pipe and the other water supply facility pipe without intersecting each other, and thus it is possible to install the toilet at an arbitrary position in the building.

[Brief description of drawings]

FIG. 1 is a plan view showing a building unit according to a first embodiment of the present invention, showing a virtual trunk pipe.

FIG. 2 is a plan view showing a case where a water supply facility is installed in the building unit according to the first embodiment and piping work is performed.

FIG. 3 is a view similar to FIG. 1 showing a second embodiment of the present invention.

FIG. 4 is a view similar to FIG. 2 according to the second embodiment.

[Explanation of symbols]

 1,20 Building unit 3A Virtual main pipe for hot water supply 3B Actual main pipe for hot water supply 4A Virtual main pipe for water supply 4B Actual main pipe for water supply 5A Virtual main pipe for drainage 5B Actual main pipe for drainage 6 Water around Washing unit as equipment 7 Kitchen unit as water supply equipment 8,27 Pipe space 9 Branch pipe for wash water supply 10 Branch pipe for wash water supply 11 Branch pipe for wash drainage 12 Branch pipe for kitchen hot water supply 13 Branch pipe for kitchen water supply 14 Branch pipe for kitchen drainage 21A Virtual trunk pipe for hot water supply 21B Actual trunk pipe for hot water supply 22A Virtual trunk pipe for water supply 22B Actual trunk pipe for water supply 23A Virtual trunk pipe for drainage 23B Actual trunk pipe for drainage 24A Sewage Virtual trunk pipe 24B Actual trunk pipe for sewage 25 Washbasin unit as water supply facility 26 Toilet unit as water supply facility

Claims (5)

[Claims] 1. A virtual main pipe of a plumbing system for a water supply facility is set in the building during basic design of the building, and after the installation position of the water supply facility is determined in each of the different users While installing the water supply facility at the position, the branch pipe of the water supply facility piping system extending to the position of the virtual trunk pipe to the water supply facility, and the branch pipe, After the installation position of the water supply facility is determined, a building piping method is characterized in that the water supply facility is connected to an actual trunk pipe connected to the position of the virtual trunk up to a position near the water supply facility. 2. An actual trunk pipe extending to a position near a water supply facility at a position of a virtual main pipe of a water supply facility piping system set in a building, and from the water supply facility. A piping structure for a building, wherein the branch pipe of the piping system for a water supply facility extending to the position of the virtual trunk pipe is connected. 3. The piping structure for a building according to claim 2, wherein the virtual trunk pipe of the plumbing system for a water supply facility is set in a straight line. 4. The building piping structure according to claim 2, wherein the virtual trunk pipe of the plumbing system for a water supply facility is set in a closed loop in the building. . 5. The building piping structure according to claim 4, wherein a plurality of virtual trunk pipes of the plumbing system for the water supply facility are set, and one of them is a toilet sewage pipe, The pipe structure of a building, wherein the branch pipe of the wastewater pipe is connected to the actual trunk pipe of the wastewater pipe that is turned in the opposite direction to the pipe arranged at the position of another virtual main pipe.