JP3562845B2 - Drainage structure of unit building - Google Patents

Description

[0001]
[Industrial applications]
INDUSTRIAL APPLICABILITY The present invention relates to a drainage structure of a unit-type building, and can be used for a drainage structure of a balcony unit, an outer corridor unit, and the like.
[0002]
[Background Art]
FIG. 4 shows an apartment house 10 having a conventional drainage structure.
The apartment house 10 is a two-story unit-type building including a first floor 11 and a second floor 12, and the first floor 11 is constituted by five first-floor building units 11A to 11E arranged on a foundation 13, and the second floor 12 is It is composed of second-floor building units 12A to 12E arranged above the first-floor building units 11A to 11E.
These building units are framed with a framework consisting of four pillars erected at the four corners and an upper beam and a lower beam spanned between the upper and lower ends of these four columns. It is a building unit by the construction method, and the inside and outside are separated by an outer wall panel.
[0003]
The apartment house 10 has a balcony 14 on the south side of the second-floor building units 12A to 12E, and an outer corridor 15 on the north side. Further, a stair 16 is provided on the side of the first-floor building unit 11A.
[0004]
The balcony 14 is formed by balcony units 14A to 14E attached to the second-floor building units 12A to 12E. Wall panels 18 are attached to both ends, and a partition plate 19 is erected between the balcony units. In addition, the drainage means 70 to 72 having a conventional drainage structure is provided in the Balconi 14, and the drainage means 70 among them can drain rainwater and the like from both of the Balconi units 14A and 14B. The drainage means 71 can drain from both the balcony units 14C and 14D. The drainage means 72 can drain only from the balcony unit 14E.
[0005]
The outer corridor 15 is formed by attaching a corridor unit (not shown) to the second-floor building units 12A to 12E.
The upper side of the stairs 16 is connected to one end of the outer corridor 15, and the lower side is fixed to the foundation 13.
The balcony 14, the outer corridor 15, and the stairs 16 are supported by a plurality of columns 17 erected on the foundation 13.
[0006]
FIG. 5 shows a second-floor building unit 12D, second-floor building units 12C and 12E adjacent to both sides thereof, and balconi units 14C to 14E attached to those building units. Here, illustration of members forming the floor of the balcony units 14C to 14E is omitted.
[0007]
The second-floor building units 12C to 12E have the frame 20 described above, and the lower beam 20B is bridged between the lower ends of the columns 20A. Outside the second-floor building units 12C to 12E, an outer wall panel 21 made of lightweight aerated concrete with autoclave curing and having an opening for an entrance is attached to the frame 20 via a bracket (not shown).
[0008]
The balcony units 14C to 14E are formed to include a floor frame 22 in which a plurality of channel materials are connected in a frame shape, and metal plates 23 are fixed to both ends of a surface facing the second floor building units 12C to 12E by welding or the like. Have been. The same metal plate 24 is also fixed to the frame 20 in the second-floor building units 12C to 12E at a position corresponding to the metal plate 23, and these metal plates 23 and 24 are brought into contact with each other to form the balconi units 14C to 14E. 14E is attached to the second-floor building units 12C to 12E by bolts and nuts or the like. In addition, a handrail wall 25 is erected on each of the balcony units 14C to 14E on the opposite side to the second-floor building units 12C to 12E.
[0009]
An adjacent space 26 is formed between the floor frames 22 of the balcony units 14C to 14E which are arranged adjacent to each other. The bracket is fixed through. A drainage unit 71 is provided in the adjacent space 26 between the balcony units 14C and 14D, and a drainage unit 72 is provided in the adjacent space 26 between the balcony units 14D and 14E.
The balcony units 14A, 14B attached to the second-floor building units 12A, 12B in FIG. 4 are also formed in the same manner as the balcony units 14C, 14D described above, and the drainage means 70 is provided between the balcony units 14A, 14B. Are provided in adjacent spaces.
[0010]
FIG. 6 shows the drainage means 71.
Here, a deck member 27 is installed above the floor frame 22 of the balcony units 14C and 14D, and an eave material 28 is attached below. The upper surface of the deck member 27 has a downward slope toward the south side, and a drain groove 29 is formed at the tip of the downward slope along the longitudinal direction of the balcony units 14C and 14D. A bottom plate 30 is attached to the deck member 27 so that the drain groove 29 is inclined downward toward the adjacent space 26, and the bottom plate 30 is fixed to the floor frame 22 via the receiving member 31. Further, an opening 27A penetrating the bottom plate 30 and the receiving member 31 is provided on the space 26 side adjacent to the drain groove 29, and a cylindrical drain port member 32 having an outer flange is fitted into the opening 27A. .
[0011]
A waterproof sheet (not shown) is attached to the surface of the deck member 27 excluding the deck member 27, the connecting member 33, and the opening 27A, and rainwater or the like that has fallen on the balcony units 14C and 14D is fitted into the opening 27. The water flows into the drainage means 71 through the drainage member 32.
[0012]
Connecting members 33 and 34 are bridged between upper and lower flange portions of the channel material 22A of each floor frame 22 in the balcony units 14C and 14D, and the adjacent space 26 and the floor frame 22 A communication hole 35 that communicates with the inside of is provided.
[0013]
The drainage means 71 is formed by fitting and connecting a plurality of cylindrical bodies made of metal, synthetic resin, or the like so as to communicate with each other. And a gutter 74 for dropping it to the ground side.
[0014]
The drain pipe 73 has one end connected to the drain port member 32 and the other end bent at a right angle to the adjacent space 26 side, and an elastic bellows-shaped elastic pipe connected to the bent pipe 36. A tube 75 and a straight tube 76 connected to each elastic tube 75 are formed. Of these, each curved tube 36 and each elastic tube 75 are disposed inside the floor frame 22, and each straight tube 76 A tube 76 projects from the inside of the floor frame 22 to the adjacent space 26.
[0015]
The gutter 74 is a T-shaped joint pipe 77 provided to communicate a pair of straight pipes 76 with each other in the adjacent space 26 to discharge rainwater to the outer wall panel 21 side, and a call gutter connected to the joint pipe 77. 37, and a vertical gutter 38 that is erected along the outer wall panel 21 and connected to the call gutter 37.
The drainage unit 70 shown in FIG. 4 has the same structure as the drainage unit 71 described above.
[0016]
As shown in FIG. 5, the drainage means 72 is provided in the adjacent space 26 between the balcony units 12C and 12E, and drains only from the balcony unit 12E side. The drainage means 72 is formed by a drainage pipe 73 including a curved pipe 36, an elastic pipe 75, and a straight pipe 76, and a gutter 79 including a call gutter 37, a vertical gutter 38, and an L-shaped joint pipe 78. ing.
[0017]
In the Balconi 14 as described above, the installation work of the drainage means 70 to 72 is performed as follows.
First, the first and second floors 11 and 12 are formed by combining the first and second floor building units 11A to 11E and 12A to 12E produced in the factory at the construction site. Thereafter, at the factory, the balcony units 14A to 14E to which the deck member 27, the drain port member 32, and the curved pipe 36 are attached in advance are connected to the second-floor building units 12A to 12E.
[0018]
Next, the elastic pipe 75 is connected from the adjacent space 26 to the curved pipe 36 inside the floor frame 22 through the communication hole 35 of the channel material 22A, and the straight pipe 76 is inserted through the communication hole 35 to form an elastic pipe inside the floor frame 22. 75 to form a drain pipe 73. As a result, one end of the straight pipe 76 is connected to the elastic pipe 75, and the other end projects from the inside of the floor frame 22 to the internal space 26.
[0019]
Further, in the drainage means 70 and the drainage means 71, the straight pipes 76 of the drainage pipes 73 extending from the balcony units 14A and 14B and the balcony units 14D and 14C are connected to each other by a T-shaped joint pipe 77. An L-shaped joint pipe 78 is connected to the drain pipe 73 extending only from the unit 14E.
Thereafter, the calling gutter 37 is connected to the joint pipes 77 and 78, and the standing gutter 38 is connected to the calling gutter 37 to form the gutters 74 and 79, and the installation of the drainage means 70 to 72 is completed.
[0020]
Finally, the eaves material 28 and the connecting members 33 and 34 are attached to the balcony units 14A to 14E, a waterproof sheet is attached to the surface, and the wall panel 18, the partition plate 19 and the like are arranged to complete the balcony 14.
[0021]
According to the drainage means 70 to 72 having the above-described drainage structure, rainwater or the like that has flowed down to the balcony 14 flows down from the curved pipe 36 through the gutters 74 and 79 into the drainage ditch and the like.
In such drainage means 70 to 72, since the drainage pipe 73 is formed including the elastic pipe 75, when installing the drainage means 70 to 72, the joint pipes 77 and 78 in the gutters 74 and 79 are provided. Even if a displacement occurs between the drain pipe 73 and the straight pipe 76, these can be connected.
[0022]
[Problems to be solved by the invention]
However, since the connection between the curved pipe 36 and the elastic pipe 75 and the connection between the elastic pipe 75 and the straight pipe 76 are performed inside the floor frame 22 below the deck member 27, the working space is narrow and not easy. . In particular, the connection of the straight pipe 76 to the elastic pipe 75 is difficult because the fitting of the elastic pipe 75 is not securely fixed because the elastic pipe 75 has a bellows shape. Therefore, there is a problem in that the installation of the drain pipe 73 is troublesome.
[0023]
On the other hand, it is conceivable to connect the curved pipe 36, the elastic pipe 75, and the straight pipe 76 and install the drain pipe 73 in advance at the time of manufacturing the balcony units 14A to 14E at the factory. In this case, Vibration of the truck bed causes flapping of the elastic tube 75 during transportation of the unit to the construction site, so that the reliability of the fitting portions at both ends of the elastic tube 75 at the construction site is reduced. Therefore, complicated fixing means for preventing the elastic tube 75 from fluttering is required.
[0024]
An object of the present invention is to provide a drainage structure in which a drainage pipe can be formed in a factory without using fixing means, and a connection work between a drainage pipe and a gutter at a construction site can be easily performed. It is in.
[0025]
[Means for Solving the Problems]
Drainage structure of unitary building according to the present invention, while the units constituting the unitary building, together with the gutter to be connected to the at least water discharge pipe extending from one of these units is provided, the drainage tube and the gutter And at least one of them includes an elastic tube that is made expandable and contractible, and the drainage pipe is disposed in a frame-shaped floor frame constituting each unit , and the drainage pipe provided on the floor frame is provided. A drainage structure communicating with the groove , wherein the elastic pipes are arranged in adjacent spaces formed between the floor frames, and a connection portion between the elastic pipes and the drainage pipe or gutter is located in the adjacent space. .
[0026]
Further, the elastic pipe may be provided as a single body, but it is preferable that the elastic pipe is integrated with one of the gutter and the drain pipe.
[0027]
The elastic tube may be made of rubber or the like, but is preferably made of a bellows made of weather-resistant synthetic resin or the like because deterioration can be prevented.
[0028]
[Action]
In the present invention, since the elastic pipe is arranged between the units, there is no connection point by the elastic pipe inside the unit, and even if the drainage pipe inside the unit is formed in a factory in advance, the unit can be transported. The reliability of the connection portion does not decrease due to the vibration at the time. Therefore, at the construction site, it is sufficient to install the elastic pipe in a wide space between the units, and it is not necessary to perform a work such as forming a drain pipe in a narrow space as in the conventional case. Work can be done easily.
[0029]
Further, when the elastic pipe is integrated with one of the gutter and the drain pipe, the number of connection points is reduced, so that it is possible to suppress the occurrence of water leakage or the like at the connection points.
[0030]
【Example】
Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
FIG. 1 shows drainage means 41 according to an embodiment of the present invention.
In addition, the drainage means 41 is provided in the apartment house 10 shown in FIG. 4, and the same components as those in the apartment house 10 are denoted by the same reference numerals, and description thereof will be simplified or omitted.
[0031]
The drainage unit 41 is provided between the balcony units 14C and 14D, and is configured to drain rainwater and the like from the balcony units 14C and 14D.
The drainage unit 41 is formed by connecting a plurality of cylinders made of metal, synthetic resin, or the like. One end of the drainage unit 41 is connected to the drain port member 32 and the other end projects from the communication hole 35 to the adjacent space 26. It has a drainage pipe 42 and a gutter 43 connected to the drainage pipes 42 for dropping rainwater into a drainage drain on the ground.
[0032]
The drain pipe 42 is formed by a curved pipe 36 and a straight pipe 44.
The gutter 43 has a T-shaped joint pipe 45 provided so that the drain pipes 42 communicate with each other in the adjacent space 26 to discharge rainwater to the outer wall panel 21 side, and a call gutter 37 connected to the joint pipe 45. And a standing gutter 38 erected along the outer wall panel 21 and connected to the calling gutter 37.
[0033]
Incidentally, the drainage means 41 is provided between the balcony units 14C and 14D, but may be similarly provided between the balcony units 14A and 14B in the apartment house 10 shown in FIG.
[0034]
As shown in FIG. 2, the joint pipe 45 includes a T-shaped base 45A and a fitting part 45B provided at each opening end of the base 45A with a slightly larger diameter than the base 45A. The fitting gutter 37 and the pair of drainage pipes 42 can be fitted to these fitting portions 45B. An elastic bellows 45C is provided integrally between the base 45A and the fitting portion 45B to which the pair of drain pipes 42 are fitted.
[0035]
In such an embodiment, the drainage means 41 is installed first by connecting the straight pipe 44 to the curved pipe 36 to form a pair of drainage pipes 42 at the time of production of the balcony units 14C and 14D at the factory. .
Next, a gutter 43 including a joint pipe 45 is formed at a construction site, and the joint pipe 45 in the gutter 43 is connected to the drain pipe 42 extending from the balcony units 14C and 14D.
[0036]
According to this embodiment, the following effects can be obtained.
That is, since the joint pipe 45 having the bellows portion 45C is arranged in the adjacent space 26, there is no connection point by the elastic pipe inside the balcony units 14C and 14D, and the drain pipe 42 is formed by the curved pipe 36 and the straight pipe 44. Even if the connection is formed beforehand at the factory, the reliability of the connection portion does not decrease due to vibration during transportation. Therefore, the connection between the gutter 43 and the pipe 43 at the construction site is made by forming the gutter 43 including the joint pipe 45 having the bellows 45C, and then connecting the joint pipe 45 to the drain pipe 42 in the adjacent space 26. 44 can be easily achieved.
Furthermore, since the drain pipe 42 can be formed in a factory, the industrialization rate of the balcony units 14C and 14D can be increased.
[0037]
In addition, since the bellows portion 45C is integrated with the joint member 45, the number of connection points is reduced as compared with the case where a conventional elastic tube is used, so that occurrence of water leakage or the like at the connection points can be suppressed. It becomes possible.
[0038]
Conventionally, the work of attaching the eaves to the floor frame 22 has been performed after arranging a drain pipe in the floor frame 22 at a building site. The work can be performed after the formation of the drain pipe 42 in the factory, and the workability at the construction site can be further improved, and the industrialization rate of the balcony unit 14C14D can be further increased.
[0039]
FIG. 3 shows another embodiment of the joint pipe.
The joint pipe 46 is disposed between the balcony units 14D and 14E of the apartment house 10 shown in FIG. 4, and is used for drainage means provided so as to be able to drain only from the balcony unit 14E.
[0040]
The joint tube 46 is formed to include an L-shaped base 46A and a fitting portion 46B having a slightly larger diameter than the base 46A at both open ends of the base 46A. The call gutter 37 and the drain pipe 42 can be fitted to the portion 46B. An elastic bellows part 46C is integrated between the base part 46A and the fitting part 46B to which the drain pipe 42 is fitted.
Also in the drainage means using such a joint pipe 46, the bellows portion 46C is disposed in the adjacent space 26, and thus has the same effect as the above-described embodiment.
[0041]
It should be noted that the present invention is not limited to the above-described embodiments, but includes other configurations and the like that can achieve the object of the present invention, and includes the following modifications and the like.
For example, in each of the above embodiments, the bellows 45C and 46C are provided in the joint pipes 45 and 46, but such bellows are provided, for example, in a portion of the straight pipe 42 protruding into the adjacent space 26. It may be the case.
[0042]
In the above embodiments, the drainage structure having the joint pipes 45 and 46 is provided between the balcony units. However, for example, the drainage structure may be provided between the corridor units for forming the outer corridor 15 shown in FIG. When the eaves are formed by eaves units, they may be provided between the eaves units.
Furthermore, by providing between the building units, rainwater may be drained from the roof side through a vertical gutter provided between the building units, or may be drained from inside the building unit.
[0043]
In each of the above embodiments, the apartment house 10 was built by combining building units with a frame. However, these building units may be formed from floor panels, wall panels, ceiling panels, and the like in addition to the frames. It may be a building unit or the like by a panel construction method.
[0044]
In the above embodiment, the drainage structure is provided in the apartment house 10. However, the drainage structure of the present invention is not limited to the apartment house, but can be applied to a unit-type building such as a detached house.
[0045]
【The invention's effect】
As described above, according to the present invention, the connection work of the gutter and the drainage pipe at the building site is omitted because the connection of the elastic pipe inside the unit is omitted by disposing the elastic pipe between the units. There is an effect that it can be easily performed.
[0046]
Further, when the elastic pipe is integrated with either one of the gutter and the drain pipe, the number of connection points is reduced, so that there is an effect that occurrence of water leakage or the like at the connection points can be suppressed.
[Brief description of the drawings]
FIG. 1 is a front view showing a drainage structure according to one embodiment of the present invention.
FIG. 2 is a perspective view of a joint pipe constituting the drainage structure of FIG.
FIG. 3 is a perspective view showing another embodiment of the joint pipe.
FIG. 4 is an overall perspective view of an apartment house provided with a conventional drainage structure.
FIG. 5 is a plan view showing a conventional drainage structure.
FIG. 6 is a front view showing a conventional drainage structure.
[Explanation of symbols]
10 Apartment houses 14A to 14E which are unit-type buildings Balconi unit 42 which is a constituent unit Drain pipe 43 Gutter 45, 46 A constituent member of a gutter, and a joint pipe in which an elastic pipe is integrated

Claims (3)

Between units constituting a unitary building, together with the gutter to be connected to the at least water discharge pipe extending from one of these units is provided, telescopic in at least one of said drain pipe and gutter Drain pipe is disposed in a frame-shaped floor frame constituting each unit, and the drain pipe is in communication with a drain groove provided in the floor frame. ,
The elastic tube is disposed in an adjacent space formed between the floor frames,
A drainage structure for a unit-type building, wherein a connecting portion between the elastic pipe and a drainage pipe or a gutter is located in the adjacent space. The drainage structure for a unit building according to claim 1,
The drainage structure of a unit-type building, wherein the elastic pipe is integrated with one of the gutter and the drainage pipe. In the drainage structure of the unit-type building according to claim 2,
The drainage structure for a unit-type building, wherein the elastic tube is a bellows.

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