JP3486831B2 - Piping unit - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is intended for facilitating plumbing work by plumbing a plurality of layers of vertical pipes including pipe joints piped on a pipe shaft into a unit in plumbing work for an apartment house or the like. Related to the piping unit.

[0002]

2. Description of the Related Art In the installation work of a drainage standpipe for an apartment house, etc., when unitizing the standpipe corresponding to a plurality of layers and performing the installation work, assembling each floor concrete slab equivalent to the pipe shaft in advance, The weight becomes extremely large, and there are problems in safety as well as difficulty during transportation and lifting with a crane.
Therefore, conventionally, those to be transported to the installation site to assemble the tube standing on the floor member and the sleeve or the like such as is proposed in JP-A-7-71112.

As shown in FIG. 10, this piping unit 50 is provided on a floor member 52 for an upper floor 51. The two fixed sides are provided upright on the floor member 52 and provided with an engaging portion 53. A vertical member 54, a fixed-side member 55 that is loosely fastened to the fixed-side vertical member 54 via an engagement tool, and a fixed-side member 55 that are provided between the fixed-side member 55 and a plurality of pipe support portions. A floor pipe support member 57 is provided, and a pipe width stop support member 44 including a plurality of pipe support portions is provided on the intermediate floor 41.
-1 to 44-3 and floor members 42 and 43 are provided, and the plurality of pipes 45 to 47 are respectively the tubular member 52a of the floor member 52 for the upper floor 51 and the floor member 42.4 for the intermediate floor.
The cylindrical members 42a and 43a of No. 3 are respectively inserted, and the upper floor 50
Via a U-bolt-shaped pipe support 56 to each of the pipe support parts of the pipe support member 57 for use with and a plurality of pipe support parts of the pipe width stop support members 44-1 to 44-3 for the intermediate floor 41, Each was supported, and the upper piping unit 50 was connected to the top of the piping unit 50A attached to the lower connecting floor.

[0004]

However, the above-mentioned piping unit is, for example, a piping unit for inserting a continuous pipe body such as a gas pipe, a drain pipe or a water supply pipe,
It is not suitable as a piping unit for inserting a pipe joint such as a drain horizontal branch pipe connected to each floor. Because the horizontal drain pipe is arranged at a position just near the top surface of the concrete slab, the joint opening portion of the pipe joint must be located above the pipe member when the pipe joint is inserted into the pipe member. Therefore, the position of the lateral branch pipe becomes higher than the upper surface of the concrete slab, or a gap is created between the taper portion formed on the body of the pipe joint and the tubular member. It has to be backfilled with, and the work is extremely troublesome.

In addition, when packing or the like is inserted in the connection between the pipe joint and the stand pipe, and when a pipe unit is lifted by a crane or the like, a load such as bending occurs between the stand pipe and the pipe joint. In the above-mentioned piping unit, since the pipe joints arranged on each intermediate floor are not firmly supported from the floor plate, they are unstable and there is a risk of damage to the packing or the like in some cases.

The present invention is to solve the above-mentioned problems, and the pipe joints arranged on each floor are pre-assembled at a factory or the like, not at the construction site, and when the crane is lifted, floor fittings on each floor are provided. It is an object of the present invention to provide a piping unit that is firmly supported by and does not require backfilling work with mortar or the like after placing concrete, and that can be performed by a safe and easy work.

[0007]

In order to solve the above-mentioned problems, the piping unit according to the present invention is constructed as follows. That is, a pipe unit having a frame body arranged in each layer for arranging a plurality of layers of the vertical pipe, and a pipe joint and a vertical pipe inserted through the frame body, wherein the frame body Is composed of a vertical frame formed so as to penetrate a concrete slab to be placed, and a floor plate arranged at a position corresponding to the lower surface of the concrete slab in the vertical frame, and The floor plate has a hole through which the pipe joint is inserted, and at least 1
A tubular sleeve tube through which the individual standpipes are inserted is erected, and supporting means for supporting the standpipe connected to the pipe joint are arranged on the upper and lower portions of the vertical frame. It is a thing.

Further, the supporting means includes a supporting plate which is in close contact with the stand pipe, and a supporting member which is formed in a U shape and is detachably arranged on the supporting plate with the stand pipe interposed therebetween. What is characterized is that

Further, the supporting member arranged on each of the supporting means may be arranged at at least two places with a space.

Further, preferably, a cylindrical spare sleeve tube opened vertically is provided upright on the floor plate, and a blind plate is arranged on the lower surface of the spare sleeve tube so as to close the lower surface of the opened sleeve tube. What is characterized is that it is provided.

More preferably, a non-combustible material may be attached to the pipe joint at a position corresponding to the concrete slab.

Further, it is more preferable that a bottom plate for closing the gap around the pipe joint is provided on the lower surface of the hole through which the pipe joint is inserted.

The floor plate may be provided with a plurality of cap nuts screwable from the lower surface side of the floor plate.

Further, an auxiliary frame having an upper surface at a position directly below the pipe joint and a lower surface at a lower surface of the floor plate is provided around the outer periphery of the floor plate over the entire circumference. It may be.

[0015]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of the present invention will be described below with reference to the drawings.

1 to 3 show a part of a piping unit U arranged on each floor according to the first embodiment, in which the frame body 1 is formed in a hollow shape and arranged vertically. A rectangular floor plate 3 is arranged on the vertical frame 2 so as to cross the vertical frame 2 around the center thereof. The floor plate 3 is formed by fixing a rectangular plate material to the upper surface of a mountain rope arranged around the floor plate 3, and the floor plate 3 has a single hole 4 through which a pipe joint described later is inserted.
There are provided two small-diameter cylindrical sleeve tubes 5 extending upward and opening vertically, and one large-diameter spare sleeve tube 6 opening vertically.

On the other hand, the vertical frame 2 has two vertical members 21, 21 arranged in parallel in the vertical direction and formed of a rectangular rope, and the vertical members 21, 2.
1 includes an upper cross member 22 arranged so as to connect the upper surfaces of 1 and formed of a rectangular rope, and a lower cross member 22 arranged so as to connect the lower surfaces of the vertical members 21 and 21 and formed of a rectangular rope. Further, the large pipe support members 23 and 23, which are arranged in parallel to the upper and lower horizontal members 22 and 22 and are formed in a groove rope, and the upper and lower horizontal members 22 and 22, are arranged in parallel to the inside. And small tube supports 24, 24, which are provided and formed of a mountain rope.

The position of the floor plate 3 arranged on the vertical frame 2 is set so that the position corresponding to the lower surface of the concrete slab S becomes the upper surface of the floor plate 3 after the concrete slab S has been cast. Then, a pipe joint 7 to which an upper drainage stack 8 is connected above and a lower drainage stack 9 is connected below is inserted into the hole 4 of the floor plate 3. A small-diameter standpipe 10 to which no pipe joint is connected is inserted into the two sleeve pipes 5, and a disc 11 is attached to the lower surface of the large-diameter spare sleeve pipe 6.
In this case, an elongated cap nut 15 for attaching the disc 11 is welded to the upper surface of the floor plate 3,
The floor plate 3 is provided with a screw hole corresponding to the position of the cap nut 15.

Further, an incombustible material 12 is arranged on the outer circumference of the tapered body portion of the pipe joint 7 corresponding to the thickness portion of the concrete slab S, and the incombustible material 12 is wrapped with a tape 13 or the like. Then, after the pipe joint 7 is inserted, a gap closing plate 14 is attached to the lower surface of the hole 4 so as to close the gap left around the pipe joint 7. Also in this case, the cap nut 15 for mounting the gap closing plate 14 on the upper surface of the floor plate 3
Are welded, and screw holes are drilled in the floor plate 3 so as to correspond to the positions of the cap nuts 15.

As shown in FIGS. 4 to 5, the gap closing plate 14 has a main body portion 32 attached to the lower surface of the floor plate 3 and a circular pipe portion 33 having a central portion formed downward in a cylindrical shape.
And, and further divided into two around the axis. The half plates 31A and 31B divided into two are integrally formed by connecting them after installing the pipe joint. Since the half plates 31A and 31B have the same shape, the following reference numerals will be described by omitting A and B except for the necessary portions.

A connecting seat 34 for connecting the half plates 31A and 31B is provided on the lower surface of the main body part (hereinafter referred to as the main body part) 32 of the half plate 31 which is divided into two parts.
Side, the mounting seat 35 for the floor board 3 is arranged at one position on each of the opposite sides about the axis, and at the same angle from both sides of the mating surface 31a about the axis. It is set up.

One connecting plate 34 has the other half plate 31B.
The convex portion 34a is formed toward the side, and the other connection seat 34
A recess 34b is formed in the recess. The connection seat 34 having the convex portion 34a is formed with a hole 34c for inserting a bolt (not shown) at right angles to the axis, and the connection seat 34 having the concave portion 34b is provided with a bolt. When the half plate 31A and the half plate 31B are assembled, the convex portion 34a and the concave portion 34b are fitted to each other and the gap closing plate 14 is integrated by tightening the bolt. Is formed.

On the other hand, mounting holes 35a (not shown) are formed in the mounting seats 35 in parallel with the axis, respectively, and the floor board 3
Bolted to. Further, one elongated hole 36 is formed in the main body portion 32 from the axial center side to the outer peripheral side at a central position of the semicircular main body portion 32, and a hanging bolt described later penetrates the elongated hole 36. Cap nut 1 that is then fixed to the floor plate 3
The position of the pipe joint 7 can be adjusted even if the pipe joint 7 is eccentrically arranged in the hole 4 of the floor plate 3 while being screwed into the pipe 5.

The inner peripheral surface 37 of the circular pipe portion (hereinafter referred to as a semi-circular pipe portion) 33 that is divided into two is dimensioned so as to fit into the outer peripheral portion of the straight pipe portion of the pipe joint 7, and the inner peripheral surface is An O-ring groove 37 a is formed in 37, and a half O-ring 38 is fitted therein. Further, the semi-cylindrical portion 33 is formed with one female screw 39 to which a set screw for fixing the drainage pipe is screwed toward the axial center.

On the other hand, the large pipe support member 23 is formed with elongated holes 23a corresponding to the upper drainage vertical pipe 8 and the lower drainage vertical pipe 9, and the upper drainage vertical pipe 8 and the lower drainage vertical pipe 9 are respectively U-shaped. The bolt 16 is fixed to the large pipe support member 23 by being screwed with a nut through the long hole 23a. Further, a long hole 24a corresponding to the vertical pipe 10 is also formed in the small pipe support member 24. In the vertical pipe 10, a U bolt 17 smaller than the U bolt 16 is screwed with a nut through the long hole 24a. It is fixed to the small tube support 24 by.

Further, the hanging band 18 divided into two parts is fixedly attached to the lower drainage vertical pipe 9, and the steady rest member 19 divided into two parts is fixedly attached to the vertical pipe 10. At both ends of the hanging band 18, the other ends of the hanging bolts 20a, one end of which is screwed into the cap nut 15 of the floor plate 3, are attached by nuts.
The hanging bolt 20 is fixed so that its height can be adjusted, and one end of which is screwed into the cap nut 15 of the floor plate 3 on the steady rest member 19.
The other end of b is fixed by a nut so that the height can be adjusted. A suspension device is configured by including the suspension band 18, the steady rest member 19, and the suspension bolts 20a and 20b.

The piping unit U of this embodiment includes the gap closing plate 14 and the suspension device as constituent members. The gap closing plate 14 and the suspension device should be attached after the pipe is installed. It is also possible to remove it as a constituent member of the piping unit U.

Next, the assembling procedure of the construction for installing the piping unit U constructed as above in a building will be described.

First, the piping unit 1 is assembled in the factory before carrying it to the construction site. In this case, the vertical members 21 are vertically fixed to both ends of the center of the floor plate 3 in which the hole 4 for the pipe joint 7, the sleeve pipe 5, the preliminary sleeve pipe 6, and the cap nut 15 are arranged. Then, the upper horizontal member 22 connecting the upper surfaces of the vertical members 21 and the lower horizontal member 22 connecting the lower surfaces of the vertical members 21 are fixed, and the upper horizontal member 22 and the lower horizontal member 22 are fixed. The large pipe support member 23 and the small pipe support member 24 are fixed to the cross member 22 toward the outside and the inside, respectively.

In this way, the pipe joint 7 in which the upper drainage vertical pipe 8 and the lower drainage vertical pipe 9 are connected to the frame body 1 composed of the vertical frame 2 and the floor plate 3 is inserted into the hole 4 of the floor plate 3, The upper drainage vertical pipe 8 and the lower drainage vertical pipe 9 are attached to the large pipe support member 23 from the front surface (the front direction in FIG. 1) by the U bolt 16.
Is temporarily fixed through the long hole 23a. Further, the two vertical pipes 10 are inserted into the sleeve pipe 6, and temporarily fixed by U bolts 17 from the back surface (direction of the back surface to the front surface in FIG. 1) to the upper and lower small tube support members 24 through elongated holes 24a. To do.

The body portion of the pipe joint 7 is formed in a tapered shape, and the noncombustible material 12 is attached by the tape 13.
Then, a two-divided gap closing plate 14 is attached to the lower surface of the hole 4 of the floor plate 3 so as to sandwich the lower outer periphery of the pipe joint 7. Then, a hanging band 18 as a suspension device is attached to the lower drainage standpipe 9, and a steady rest 19 is attached to the standpipe 10, respectively, and both ends of the hanging band 18 and the steady rest 19 are attached.
The both ends of the floor plate 3 are connected by hanging bolts 20a and 20b, respectively. By this, the upper drainage stack 8,
The pipe joint 7 to which the lower drainage vertical pipe 9 is connected or the vertical pipe 10 is fixedly held on the floor plate 3.

As described above, the frame 1 corresponding to a plurality of layers (three layers in the present embodiment) is assembled to the vertical pipe and is transported to the construction site as a piping unit. As shown in FIG. 6, the piping unit U brought to the site is
Is wound a rope R or the like at two places in the region of the frame 1 is lifted as erected on the pipe shaft with a crane C or the like. In this case, using the lower end of the piping unit U as a fulcrum, the rope R hanging above is pulled and lifted so that the piping unit stands up. Since the connection between the upper drainage vertical pipe 8 and the lower drainage vertical pipe 9 connected to the pipe joint 7 is supported by the U-bolt 16, the pipe joint 7 at the time of starting and the drainage vertical pipes on both sides are connected. Since the load applied to the parts is not biased, it does not affect the connection part. The pipe unit U is arranged at a predetermined position in the pipe shaft, and the lower end of the pipe unit U is connected to the upper end of the lower pipe unit by a pipe joint or the like. Then, the U bolts 16 and 17 of the piping unit U are removed. This U bolt 1
If 6 and 17 are left attached to each vertical pipe, after the piping unit is installed, an abnormal noise is generated due to thermal expansion and contraction of the vertical pipe, which causes noise.

Therefore, in the present embodiment, when the piping unit is lifted, the vertical pipes 8 and 9 connected to the pipe joint 7 are supported by the U bolts 16 and 17, and are supported by the suspension device from the lower side of the pipe joint 7. Therefore, it can be lifted in a solid state, and unlike the conventional piping unit, it is not lifted with a small supporting force of only the U-bolt-shaped tube support.

Then, concrete is poured. The vertical position of each frame 1 corresponds to the position of the bottom surface of the floor slab 3 on the bottom surface of the concrete slab, and the top surface of the concrete slab is positioned slightly below the top surface of the incombustible material 12 wound around the pipe joint 7. Concrete is poured as described above. The upper surface of the sleeve pipe 6 is located above the upper surface of the concrete slab S after pouring, and the upper surface of the preliminary sleeve pipe 6 is slightly above the upper surface of the concrete slab S after pouring. (See FIG. 1) As described above, the gap closing plate 14 and the suspension band 1
When removing 8, the steady rest 19, and the hanging bolts 20a and 20b from the configuration of the piping unit U, they may be mounted on the piping unit U after being hoisted by a crane or the like and before placing concrete.

In this embodiment, each of the upper drainage stack 8 and the lower drainage stack 9 has one U-bolt 16
It is fixed and supported by two U bolts 16 each.
It may be fixedly supported by. For example, the large pipe support member 2 is provided in parallel with the horizontal members 22, 22 formed above and below the vertical frame 2.
3 and 23 are arranged so as to sandwich the cross members 22 and 22, and two U bolts 16 are attached to the large pipe support members 23 so that the cross members 22 and 22 are sandwiched therebetween. Since the pipe 8 and the lower drainage pipe 9 are fixedly supported by the two U bolts 16 and 16, respectively, they can be erected more safely in the pipe shaft when being lifted by a crane.

As another form, as shown in FIGS. 7 to 8, instead of the large pipe support member 23 in FIG.
The rectangular supporting plate 25 may be attached to the drainage pipe side of the cross member 22. The support plate 25 is provided with U-bolt mounting holes 25a at two positions each on the upper and lower sides with the cross member 22 interposed therebetween. Then, the U-bolt 16 is attached at two places in the upper and lower portions so as to be fixed to the drainage stack side. By disposing this on the upper and lower horizontal members 22, 22 of the vertical frame 2, the upper drainage stack 8 and the lower drainage stack 9 are firmly fixed and supported.

FIG. 9 shows a second embodiment of the present invention, which is used in a silver condominium for elderly people in particular, in order to lower the floor of the bathroom from the floor of the corridor (about 150 mm), each floor. The horizontal branch pipe to be piped to is to be piped to the lowest possible position. Therefore, the upper surface of the concrete slab SA in the pipe shaft PS is lower than the upper surface of the concrete slab S in each room to have a step.

The frame 28 of this piping unit 27 has a first
With the width from the position of the floor plate 3 of the frame body 1 of the above form to just below the joint opening 7a of the pipe joint 7, the auxiliary frame 29 is arranged and fixed around the floor plate 3 over the entire circumference. Other configurations are similar to those of the frame body 1 of the first embodiment.

[0039]

As described above, in the piping unit of the present invention, in order to pipe the vertical pipes corresponding to a plurality of layers, the frame bodies arranged in each layer, the pipe joints inserted through the frame bodies, and It has a vertical pipe and can be assembled in a factory in advance. Therefore, on-site plumbing work is extremely easy, and drainage pipes at each level can be connected, and both upper and lower standpipes connected to the pipe joint are supported. Therefore, when hoisting with a crane or the like, the piping unit can be hoisted safely and surely. In particular, at the connecting portion between the pipe joint and the vertical pipe, a bending load is not generated and the packing or the like in the pipe joint is not damaged. Further, since the frame bodies of the respective layers are installed so as to extend in the vertical direction of the concrete slab on which they are placed, this is advantageous for reforming after placing concrete.

Further, in this piping unit, since the spare sleeves are arranged on the floor boards of the respective layers, additional piping by reforming the pipe joint and the vertical pipe can be performed very easily.

Further, since a plurality of cap nuts that can be screwed from the lower surface side are arranged on the floor plate, the bottom plate for closing the gap between the pipe joint and the floor plate and the suspension device for the pipe joint are concrete-cast. Can be installed after installation. Therefore, when installing the piping unit, it is possible to selectively attach the bottom plate or suspension device in advance according to the condition of the construction site, or to attach it after concrete pouring. There is no need to perform the troublesome work of hitting the anchor bolts for attaching the bottom plate and the suspension device to the slab.

Further, if the upper stand pipe and the lower stand pipe are fixedly supported by at least two supporting members, respectively, this piping unit can be further safely lifted.

Further, in this piping unit, by disposing the auxiliary plate around the floor plate, the slab surface of the pipe shaft can be made lower than the slab surface of the other room.
Therefore, it is advantageous for silver condominiums and the like.

[Brief description of drawings]

FIG. 1 is a partial sectional view of a piping unit according to an embodiment of the present invention.

FIG. 2 is a side view of FIG.

3 is a plan sectional view of FIG.

FIG. 4 is a plan view of the bottom plate in FIG.

5 is a front view of the bottom plate in FIG.

6 is a diagram showing a state in which the piping unit in FIG. 1 is lifted.

FIG. 7 is a view showing a supporting state of a drainage stack according to another embodiment.

8 is a side view of FIG.

FIG. 9 is an external view showing a part of a piping unit of another form.

FIG. 10 Conventional piping unit

[Explanation of symbols]

U ... Piping unit 1 ... frame 2 ... Vertical frame 3 ... Floorboard 4 ... hole 5 ... Sleeve tube 6 ... Spare sleeve tube 7 ... Fitting 8 ... Upper drainage stack 9 ... Lower drainage stack 10 ... Standpipe 14 ... Gap closing plate (bottom plate) 23 ... Large tube support 24 ... Small tube support 41a ... Flat surface 42 ... Lower flange

─────────────────────────────────────────────────── ─── Continuation of the front page (58) Fields surveyed (Int.Cl. ⁷ , DB name) F16L 1/00 E03C 1/02 E04F 17/08 F16L 5/00

Claims (6)

(57) [Claims] 1. A piping unit comprising a frame body arranged in each layer for piping a vertical pipe corresponding to a plurality of layers, and a pipe joint and a vertical pipe inserted through the frame body. The frame body is provided with a vertical frame formed so as to penetrate a concrete slab to be placed, and fixed to the vertical frame, and disposed at a position corresponding to the lower surface of the concrete slab in the vertical frame. A floor plate; and a tubular sleeve tube in which a hole for inserting a pipe joint is formed in the floor plate and a stand tube is inserted.
Supporting means that are individually provided and that support a stand pipe connected to the pipe joint are fixed to the upper and lower portions of the vertical frame, respectively , and the support means is a support plate that is in close contact with the stand pipe, and a U-shape.
It is formed into a shape and is removed to the support plate with the stand pipe sandwiched
A support member that is arranged so that it is possible, and on the lower surface of the hole through which the pipe joint in the floor plate is inserted,
A piping unit, to which a bottom plate for closing a gap around the pipe joint is attached . 2. A supporting member disposed on each of said support means, the pipe unit according to claim 1, characterized in that it is arranged in at least two at a distance. 3. A cylindrical preliminary sleeve tube opened up and down is erected on the floor plate, and a disc is arranged on the lower surface of the preliminary sleeve tube so as to close the lower surface of the opened sleeve tube. The piping unit according to claim 2, wherein: 4. A pipe unit according to claim 1 to 3, wherein the incombustible material is attached to a position of being buried in the concrete slab the fitting. To wherein said floor plate, pipe unit according to claim 1 to 4 further characterized in that screwable plurality of cap nut is disposed from the lower surface side of the floor plate. 6. and the upper surface of the position directly below the pipe joint, the auxiliary frame to the lower surface position of the lower surface of said floor plate, characterized Rukoto is disposed over the entire circumference around the outer periphery of the floor plate according The piping unit according to Item 1.