JPH0813568A - Piping method of multiple dwelling house, furring strips, and pipe shaft - Google Patents

Abstract

PURPOSE:To execute pipings for indoor drainage of a multiple dwelling house so as to have sufficient gradient, execute the pipings by simple work without spoiling comfortability, and simply carry out maintenance concerning inspection, exchange, or the like of the pipings after installation. CONSTITUTION:A pipe shaft 1, 1a is provided on each position where drain branch pipes 39-44 of devices necessary for indoor drainage can be collected without crossing respective walking floor faces. Drain vertical pipes 6, 6a, 6b are inserted through the pipe shafts, and the drain branch pipes are respectively arranged on the positions higher than the floor face and connected to the drain vertical pipes 6, 6a, 6b.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pipe method and a pipe shaft, which are capable of easily installing pipes for indoor drainage of an apartment house and performing maintenance such as inspection and replacement of pipes after installation. And the furring used for this purpose.

[0002]

2. Description of the Related Art Conventionally, indoor drainage from dwelling units in condominiums, etc. has been related to bathtubs, kitchen sinks, washbasins, toilet bowls, etc. Main drainage pipes and branch pipes are assembled under the floor. There was a need for flooring for that. In this case, the height under the floor was about 150 mm.

[0003]

However, in this conventional method, since the branch pipe for indoor drainage is provided on the floor slab and the floor is separately provided thereon, a water gradient is provided in a narrow space. There was a problem that it had to be done or there was a step on the floor. Therefore, there is a problem that piping work is difficult and special technology is required, construction time is extra, which is a factor of cost increase, and habitability is impaired.

Further, the piping provided under the floor has a problem that it is very difficult to perform maintenance related to inspection and replacement.

The present invention has been made in order to solve the above-mentioned conventional problems, and the purpose thereof is to make it possible to provide a sufficient gradient in the piping for draining indoor water of an apartment house. And, with simple construction,
(EN) Provided are a piping method, a pipe shaft, and a furring strip used for the piping method, which does not impair habitability and can easily perform maintenance such as inspection and replacement of piping after installation.

[0006]

As a means for achieving the above object, in the piping method for an apartment house according to claim 1 of the present invention, the drainage branch pipes of the equipment that requires indoor drainage are located on the floor surface for walking. A pipe shaft is provided at each position where the pipes can be assembled without traversing, drainage vertical pipes are inserted, and the drainage branch pipes are connected to the drainage vertical pipes at positions higher than the floor surface.

According to another aspect of the present invention, there is provided a furring strip having a width appropriately wider than a diameter of a pipe joint and having through holes for inserting pipes arranged appropriately; and extending from both ends of the web at right angles to the web. And a flange.

In the pipe shaft according to a third aspect of the invention, a plurality of rows of the furring strips according to the second aspect are erected, and the flanges are fixed to each other by a spacing plate having a length substantially the same as the space for installation to form a box shape. It was made into the composition.

According to another aspect of the pipe shaft of the present invention, a receiving plate having a mounting surface for a fastening material for fixing the drainage vertical pipe and a guide rail for laterally slidably holding the receiving plate are provided inside the box. The structure is provided on the back side.

[0010]

In the piping method for an apartment house according to the first aspect of the present invention, the drain branch pipes of equipments required for indoor drainage such as bathtubs, kitchen sinks, wash basins, and toilets do not cross the floor surface for walking. A pipe shaft is provided at each position where it can be assembled.
Here, even if there is only one device that is independent from other devices via the floor surface for walking, a pipe shaft is provided for the independent device.

By connecting the branch pipes to the drainage vertical pipes inserted through the pipe shaft at positions higher than the floor surface, it is possible to easily and easily take a large water gradient without clogging. Further, since the branch pipe does not cross the floor surface for walking, no step is provided on the floor. Therefore, the piping work can be easily performed, and the comfortability is not impaired.

In the furring strip according to the second aspect of the present invention, a plurality of flanges can be fixed by applying flat members to each other. Further, the drainage branch pipes can be inserted between the webs by utilizing the through holes of the webs.

In the pipe shaft according to the third aspect of the present invention, by assembling in advance in a process different from the skeleton work,
Immediately after the floor slab is completed, it is possible to form a tubular portion around the drainage vertical pipe and insert the drainage vertical pipe inside. In addition, the partition wall can also be used by providing the wall base material using the spacing plate.

In the pipe shaft according to the fourth aspect, the drainage vertical pipe is set in advance, the pipe shaft is incorporated into the formwork, and concrete is poured, whereby the vertical pipe is also finished. It will be. In addition, by piping a horizontal pipe in the partition wall in advance,
After pouring the concrete into the structure, the equipment piping can be completed simply by joining the vertical pipe and the horizontal pipe.

[0015]

Embodiments of the present invention will now be described in detail with reference to the drawings. First, the configuration of the embodiment will be described. FIG. 1 is a layout view showing a state where two pipe shafts of this embodiment are provided, and FIG. 2 is a perspective view showing a pipe shaft partially cut away,
3 is an explanatory view taken along the line AA of FIG. 1, FIG. 4 is an explanatory view taken along the line BB of FIG. 1, and FIG. 5 is an explanatory view taken along the line C-C of FIG. 6 is an explanatory view taken along the line DD of FIG.

The pipe shaft 1 according to this embodiment has a furring strip 2
The joint member 3, the installation bracket 4, and the upper fixing bracket 5 are the main components.

The furring strip 2 holds the lateral width of the pipe shaft 1 and serves as a strength member. As shown in FIG. 2, both side edges of a vertically elongated thin steel plate are bent at right angles in the same direction. The web 11 and the flange 12 are formed by bending, and the width of the web 11 is appropriately wider than the joint 6j of the drainage vertical pipe 6. In addition, the web 11 has a small-shaped through hole 13a formed upward and a large-shaped through hole 13b formed downward so as to be suitable for introducing a branch pipe. In addition, holes 14 for screw insertion are provided at the upper and lower ends of the flange 12.

The joint material 3 holds the furring strip 2 in an upright state and holds the vertical width dimension of the pipe shaft 1, and is formed of plywood, and both ends of the joint material 3 are the furring strip 2. It is fixed to the flange 12 by screws or the like. The length of the joint material 3 is set in accordance with the vertical width dimension of the installation location (space) of the pipe shaft.

The mounting bracket 4 is for fixing the lower part of the furring strip 2 to the floor slab 15, and is formed in a substantially U shape, and the spacing between the rising portions 16 at both ends thereof is the furring strip 2 described above. The flanges 12 are formed in such a size that they can be fitted between them. Further, the rising portion 16 is provided with an elongated hole 17. Reference numeral 18 in the drawing is a concrete nail for fixing the mounting bracket 4 to the floor slab 15.

The upper fixing bracket 5 is for fixing the upper end of the furring strip 2 to an upper structural member, and is formed in substantially the same shape as the installation bracket 4, and has a hole for screw insertion in the rising portion 19. 20 is provided, and a long bolt 22 is fixed to the center of the flat plate portion 21 with a nut 23.

FIG. 7 shows a pipe fixing member in the pipe shaft 1. In the drawing, reference numeral 50 denotes a guide rail fixed to the joint material 3 in a horizontal direction with screws 51, and has a slit 52 on the front surface. ing. Reference numeral 53 denotes a receiving plate, which includes a claw portion 54 that is inserted from the slit 52 and is slidably held, and a front plate 58 that fixes a pipe tightening band 56 with a bolt 57 through a thick plate 55. The front plate 58 has a long hole 59 for vertical adjustment.
Is provided.

Next, a piping method using the pipe shaft 1 will be described. The apparatus that requires drainage in this embodiment is shown in FIG.
Are arranged as shown in the figure. In the figure, 30 is an electric water heater, 31
Is a washbasin, 32 is a washing machine pan, 33 is a bathtub of a unit bath, 34 is a washroom, 35 is a toilet bowl, and 36 is a kitchen sink.

Reference numeral 37 denotes a city water supply pipe, which does not pass the position of the washing machine pan 32 and the position of the bathtub 33 on the floor slab, but as shown in FIGS. taking it. Further, in FIG. 1, 38 is an electric water heater 30.
A hot water supply pipe for supplying hot water from the washing machine, and the position of the washing machine pan 32 and the position of the bathtub 33 are similar to those of the water supply pipe 37.

In the case of this embodiment, the drainage ports 30a, 31a, 3 of the electric water heater 30, the washstand 31, and the washing machine pan 32 are provided.
2a (these are the first group), the bathtub 33, the toilet bowl 35, the drainage ports 33a, 35a of the kitchen sink 36,
36a (these are referred to as the second group) are divided on both sides with the walking floor surface portion F therebetween, and therefore, the drain vertical pipes 6 and 6b for the second group and the first group. The drainage vertical pipes 6a and 6a are set, and after the floor slab 15 is completed, the pipe shaft 1 for each drainage vertical pipe is assembled. The pipe shaft 1 is assembled in advance at a factory or an assembly site provided near the site, and the drainage vertical pipes 6 and 6a are also fixed to the upper position by the pipe tightening band 56 as appropriate.

In the case of the drainage vertical pipes 6 and 6b for the second group, the drain vertical pipes 6 and 6b will be explained as follows with reference to FIGS. 1, 2, 3 and 4. Since it is preferable that the space is provided between the pipes, a space for the pipe shaft having a size substantially the same as the frontage of the toilet is provided in this portion at the time of design. After the floor slab 15 is provided, the installation brackets 4 and 4 are arranged on the left and right sides of the insertion positions of the drainage vertical pipes 6 and 6b, and they are fixed to the floor slab 15 with concrete nails 18. Next, the pipe shaft 1 assembled to have the same width as the frontage of the toilet is attached to the mounting brackets 4,
4, and the screw 24 is inserted into the hole 14 and the long hole 17 and fastened. In this case, the vertical degree is adjusted by the elongated hole 17 according to the unevenness of the floor slab 15.

Then, each branch pipe is piped up to the planned arrangement position of each device on the second group side. That is, the drainage vertical pipes 6 and 6b are jointed with the drainage vertical pipes below, and the drainage vertical pipes 6 are connected to the drainage branch pipe 39 for the bathtub and the drainage branch pipe 4 for the toilet bowl.
0, connect the drain branch pipe 41 for the sink, respectively,
The drain branch pipe 40 for the toilet is connected to the drain vertical pipe 6b.
After this, the bathtub 33, the toilet 35, and the sink 36 are installed, and the drainage branch pipe 39 for the bathtub extends to the drainage port 33a of the bathtub along the refractory wall in front of the sink via the through hole 13b of the furring strip 2. Set up and connect. The toilet drain branch pipe 40 and the sink drain branch pipe 41 are respectively disposed through the lower space of the pipe shaft 1 to the toilet drain port 35a and the sink drain port 36.
Extend to a and connect.

Next, in the case of the drainage vertical pipe 6a for the first group, the drainage vertical pipe 6a is composed of the electric water heater 30 and the washbasin 31, which will be described with reference to FIGS. 1, 2, 5 and 6. Since it is preferable to arrange the space between them, a space for the pipe shaft is provided in this portion at the time of design. Further, in this case, a partition wall is required on the front side of the washbasin 31, and a space is also provided in this part.

Since the partition wall needs a drainage branch pipe of the washbasin 31 and a piping space for water supply and hot water supply pipes, it is also used as this piping space, and the drainage vertical pipe 6a.
Formed integrally with the pipe shaft for. That is, this pipe shaft 1a is the same as the pipe shaft 1 shown in FIG.
Without the furring strip 2 on one end side of the partition wall portion 1b
Are connected in an orthogonal state. In this case, the partition wall 1
Since b does not have to pass through the drainage vertical pipe 6a, the furring strip 2a used for it has a web width narrower than that of the furring strip 2 of the pipe shaft 1a (however, wider than the diameter of the branch pipe). be able to.

After the pipe shaft 1a is placed and installed so that the partition wall portion 1b is on the front side of the planned installation position of the washbasin 31, the drainage vertical pipe 6a is inserted into the pipe shaft 1a to discharge the drainage. An electric water heater drain branch pipe 42, a wash stand drain branch pipe 43, and a washing machine pan drain branch pipe 44 are connected to the vertical pipe 6a, respectively.

After that, the electric water heater 30, the washbasin 31 and the washing machine pan 32 are installed, the drain branch pipe 42 for the electric water heater is the drain port 30a of the electric water heater, and the drain branch pipe 43 for the washstand is the washstand. The drainage outlet 31a and the drain branch pipe 44 for the washing machine pan are connected to the drainage outlet 32a of the washing machine pan. In addition, the drainage pipe 43 for the washbasin is extended vertically to the washbasin 31 in a line in the vertical direction inside the partition wall portion 1b together with the water supply pipe 37 and the hot water supply pipe 38. From the end of the plumbing work, the wall base material will be attached via this pipe shaft.

As described above, in this embodiment, by installing the pipe shaft 1, the drainage vertical pipes can be placed in their respective positions.
Also, an electric water heater 30, a washbasin 31, which requires indoor drainage,
The washing machine pan 32, the bathtub 33, the toilet 35, and the sink 36 are divided into two groups in which each drainage port is a unit (which can be assembled without crossing the floor slab 15 that serves as the floor part for walking). Since the drainage vertical pipes 6, 6a, 6b are provided for each group so that the drainage branch pipes are connected to each other, there is no stepped portion on the floor surface, and the habitability is impaired due to indoor piping. There is no. Further, the water gradient can be sufficiently taken in a wide space, and the piping work can be easily performed. A pipe shaft for inserting the drainage vertical pipe can be provided in advance by a furring strip having a web wider than the diameter of the drainage vertical pipe joint. Further, a large number of pipe shafts having the same shape can be efficiently provided. By forming the pipe shaft in advance, after the floor slab is completed, it is possible to install the pipe shaft at the required places in a short time, and by changing the size of the joint material, various sizes can be provided. it can. In addition, the partition wall can be used also.

The embodiment of the present invention has been described above.
The specific configuration of the present invention is not limited to this embodiment, and any change in design or the like without departing from the gist of the present invention is included in the present invention.

For example, in the embodiment, the method of separately assembling the pipe shaft and attaching the wall base material has been described.
Not limited to this, it is also possible to install the pipe shaft wall base material as a unit by factory assembly, carry it in to the site, and perform the construction simultaneously with the interior. In this case, there is an advantage that quality control can be performed well, the construction period can be shortened, and the cost can be reduced.

Although the drainage vertical pipes are provided at two locations, the number of the drainage vertical pipes installed is arbitrary. If the drain branch pipes can be gathered at one place without being arranged on the floor slab, it can be provided at one place.

The web of the furring strip and the shape of the flange are arbitrary, and the shape of the through hole and the like can also be set arbitrarily.

The pipe shaft may have any shape and may be provided as a partition wall.

[0037]

As described above, in the piping method for an apartment house according to claim 1 of the present invention, since it is configured as described above, it is not necessary to provide a step on the floor surface. Can be omitted, cost can be reduced, and comfortability is not impaired. Since the water gradient can be taken sufficiently in a wide space, there is no clogging, and piping work can be performed easily.

In the furring strip according to a second aspect of the present invention, because of the above construction, a pipe shaft through which the drainage vertical pipe is inserted can be provided in advance. In this case, the piping work can be completed near the factory or the site. The effect that a large number of pipe shafts having the same shape can be efficiently provided can be obtained.

In the pipe shaft according to the third aspect of the present invention, since it has the above-mentioned structure, the partition wall can be used also by providing a wall base material or the like on the outer periphery. Further, by forming the pipe shaft in advance, it is possible to provide the pipe shaft at a necessary place in a short time after the floor slab is completed. Further, by changing the size of the joint material, it is possible to provide various sizes.

In the pipe shaft according to the fourth aspect, since the vertical pipe can be previously installed,
With the completion of the body, the vertical pipes can be finished, and the horizontal draw pipes can be connected immediately.

[Brief description of drawings]

FIG. 1 is a layout view showing a state in which two pipe shafts of an embodiment of the present invention are provided.

FIG. 2 is a perspective view showing a pipe shaft provided on the drainage vertical pipe 6 side of the embodiment with a part thereof cut away.

FIG. 3 is an explanatory view of the embodiment as seen from the direction of arrows in FIG. 1A-A.

FIG. 4 is an explanatory diagram of an embodiment taken along the line BB-B in FIG.

FIG. 5 is an explanatory view of the embodiment taken along the line C-C in FIG.

FIG. 6 is an explanatory diagram of an example taken along the line 1D-D of FIG.

FIG. 7 is a perspective view showing a vertical tube fixing portion of the embodiment.

[Explanation of symbols]

 1,1a Pipe shaft 2,2a Furring strip 3 Joint material 6,6a, 6b Drainage vertical pipe 6j Piping joint 11 Furring strip web 12 Furnace flange 13a, 13b Furnace through hole 15 Floor slab 30a Electric water heater Drainage port 31a Drainage port of washbasin 32a Drainage port of washing machine pan 33a Drainage port of bathtub 35a Drainage port of toilet 36a Drainage port of sink 37 City water supply pipe (pipe) 38 Hot water supply pipe (pipe) 39 Drain pipe for bathtub 40 Drain Branch Pipe for Toilet 41 Drain Branch Pipe for Sink 42 42 Drain Branch Pipe for Electric Water Heater 43 Drain Branch Pipe for Washbasin 44 Drain Branch Pipe for Washing Machine Pan 50 Guide Rail 53 Support Plate 56 Pipe Tightening Band 58 Front Plate F Walking Floor

Claims (4)

[Claims] 1. A pipe shaft is provided at each position where the drainage branch pipes of equipment that requires indoor drainage can be assembled without traversing the walking floor surface position, and the drainage vertical pipes are inserted so that the drainage branch pipes are respectively inserted. A piping method for an apartment house, characterized by connecting the drainage vertical pipe to a position higher than a floor surface. 2. A web which is appropriately wider than the diameter of the pipe joint and has through holes for inserting pipes arranged appropriately.
A flange extending from each end of the web at right angles to the web. 3. A pipe characterized in that a plurality of rows of furring strips according to claim 2 are provided upright and the flanges are fixed to each other by a spacing plate having a length substantially the same as the space for installation to form a box shape. shaft. 4. A receiving plate having a mounting surface of a fastening material for fixing a drainage vertical pipe, and a guide rail for slidably holding the receiving plate in a lateral direction are provided on the inner surface side in the box. Item 3. The pipe shaft according to item 3.