JP2018053653A - Drainage chamber - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable discharge of drainage without using power.SOLUTION: A drainage chamber 20 comprises a storage tank 26 installed through a floor material 40 in an underfloor space V and connected with the drainage introduction pipe 18 and the horizontal pipe 32 in the underfloor space V and a waterproof pan 50 placed in the storage tank 26; wherein an air layer portion 24 is formed in the upper portion in a state where drainage is stored.SELECTED DRAWING: Figure 2

Description

  The present invention relates to a drainage chamber used in a siphon drainage system.

  Patent Document 1 below discloses a housing facility that drains wastewater from a sewage tank disposed under a floor under a washroom of a one-room apartment to a discharge port on the floor using a discharge pump.

Utility Model Registration No. 3141360

  In the said patent document 1, since a discharge pump is used in order to flow waste_water | drain, power is required.

  In view of the above facts, an object of the present invention is to provide a drainage chamber capable of discharging drainage without using power.

  The drainage chamber according to claim 1 is installed through the floor material in the underfloor space, and a drainage introduction pipe and a drainage pipe are connected in the underfloor space, and the drainage is stored in the upper part of the gas layer A storage tank in which is formed, and a waterproof pan placed in the storage tank.

  In the drainage chamber of claim 1, since the storage tank disposed in the underfloor space penetrates the floor material, the storage tank is deeper than the case where the storage tank is installed only in the underfloor space, and the drainage is increased. Can be stored. As a result, the head pressure of the waste water is increased, and the water pressure of the waste water flowing out from the outlet pipe is increased. This eliminates the need for power to flow the waste water.

  Moreover, since the storage tank penetrates the floor material, the height of the floor material is not restricted by the depth of the storage tank. For this reason, the height of the flooring can be kept low while ensuring the drainage capacity of the drainage chamber. This can increase the ceiling height of the living room.

  Moreover, since the waterproof pan is placed in the storage tank, the drainage can flow into the storage tank from the waterproof pan. For this reason, it is not necessary to lay a horizontal piping from the waterproof pan to the drainage chamber.

  A drainage chamber according to a second aspect is the drainage chamber according to the first aspect, wherein a removable drain trap is formed in the waterproof pan, and drainage flows from the drain trap into the storage tank.

  According to the drainage chamber of claim 2, the inside of the storage tank can be cleaned and inspected by removing the drainage trap of the waterproof pan. For this reason, routine cleaning and inspection of the interior of the storage tank can be performed with the washing machine placed on the waterproof pan. Moreover, since the trap is formed in the waterproof pan, it is possible to block the odor from the wastewater parked in the storage tank.

  A drainage chamber according to a third aspect is the drainage chamber according to the first or second aspect, wherein the outlet pipe has a diameter smaller than that of the introduction pipe.

  According to the drainage chamber of the third aspect, by making the diameter of the outlet pipe smaller than the diameter of the inlet pipe, the flow path area is reduced and the flow velocity is increased. Thereby, drainage capacity can be raised.

  The drainage chamber according to claim 4 is the drainage chamber according to any one of claims 1 to 3, wherein a vent pipe is connected to the storage tank in the underfloor space, and the vent pipe is stored in the storage tank. The waste water penetrates and opens into the air layer.

  According to the drainage chamber of the fourth aspect, the vent pipe penetrates the drainage stored in the storage tank, so that the position of the vent pipe can be lowered as compared with the case where the drainage does not penetrate. For this reason, the height of the flooring can be reduced.

  A drainage chamber according to a fifth aspect is the drainage chamber according to any one of the first to fourth aspects, wherein the waterproof pan is a lid of the storage tank and is detachable.

  According to the drainage chamber of claim 5, if the waterproof pan is removed, the inside of the storage tank can be inspected. For this reason, more detailed maintenance inspection is possible than the case where a drain trap is removed, and cleaning efficiency can be raised.

  According to the drainage chamber of the present invention, drainage can be discharged without using power.

It is an elevation sectional view showing an outline of composition of a siphon drainage system to which a drainage chamber concerning an embodiment of the present invention is applied. It is side sectional drawing which shows the drainage chamber which concerns on embodiment of this invention. FIG. 3 is a cross-sectional view taken along line 3-3 in FIG. 2 illustrating a drain chamber according to an embodiment of the present invention. FIG. 4 is a cross-sectional view taken along line 4-4 in FIG. 2 illustrating a drainage chamber according to an embodiment of the present invention. FIG. 5 is a cross-sectional view taken along line 5-5 in FIG. 2 illustrating a drainage chamber according to an embodiment of the present invention. It is a 6-6 line arrow directional view in Drawing 2 showing the drainage chamber concerning the embodiment of the present invention. (A) is a top view which shows the apartment house provided with the drainage chamber which concerns on embodiment of this invention, Comprising: A watering device is arrange | positioned inside a residence and it arrange | positions in the position where the piping space was divided by the residence and the wall (B) shows an example in which the watering device is arranged on the outdoor side of the dwelling and the piping space is arranged in the dwelling. (C) shows the watering device in the house of the dwelling. An example is shown in which the pipe space is arranged on the outside and is located at a position partitioned by a residence and a wall. It is a sectional side view which shows the modification which raised the starting height of the flange part of the storage tank in the drainage chamber which concerns on embodiment of this invention. It is a sectional side view which shows the modification which comprised the storage tank part and the waterproof pan integrally in the drainage chamber which concerns on embodiment of this invention. It is a sectional side view which shows the modification which extended the flange part of the storage tank from the upper part of the flooring to the lower part in the drainage chamber which concerns on embodiment of this invention.

(Siphon drainage system)
FIG. 1 shows an outline of a siphon drainage system 10 to which a drainage chamber 20 according to the present embodiment is applied.

  The siphon drainage system 10 is a drainage facility that discharges drainage from the watering device 17 using siphon force, and is used in the housing complex 12 formed in multiple layers.

  The siphon drainage system 10 includes a drainage stack 38 that allows the drainage to flow downward. A plurality of drainage stacks 38 are provided at different locations on the plane in the housing complex 12. For example, as shown in the plan view of FIG. 7 (A), each residence 12A, 12B, 12C, 12D, 12E, 12F on each floor of the apartment house 12 is a piping space (pipe space, PS, etc.) partitioned by walls. 1), and is penetrated through the floor slabs 16 of each floor of the apartment house 12 as shown in FIG.

  A plurality of watering devices 17 (a wash basin 17A, a washing machine 17B, and a bathroom 17C) are provided in the residence 12A of the apartment house 12, respectively, and these watering devices 17 are discharged from the watering device 17. One end of a drainage introduction pipe 18 through which wastewater flows is connected. Further, the other end of the drainage introduction pipe 18 is connected to the drainage chamber 20, and the drainage introduction pipe 18 is disposed with a gradient so that the drainage chamber 20 side is lowered.

  The drainage chamber 20 is a drainage facility for temporarily storing drainage from the watering device 17 and discharging it to the drainage stack 38, and a siphon drainage pipe 30 is connected to the downstream side of the drainage.

  The siphon drain pipe 30 includes a horizontal pipe (also referred to as a horizontal pipe) 32 disposed along the floor slab 16 and an outflow vertical pipe (also referred to as a soot pipe) 34 communicating with the horizontal pipe 32. The horizontal pipe 32 is in communication with the drain chamber 20.

  The horizontal pipe 32 is disposed on the floor slab 16 with no gradient in the horizontal direction. Further, the outflow vertical pipe 34 communicating with the horizontal pipe 32 is disposed in the vertical direction (vertical direction) along the drainage stack pipe 38. The outflow vertical pipe 34 reaches a junction joint 39, and the junction joint 39 joins drainage from the outflow vertical pipe 34 to a drainage stack 38.

  Here, the non-gradient does not necessarily need to be in the horizontal direction, and includes those having a slight step or gradient along the floor slab or ceiling.

  The horizontal pipe 32 and the outflow vertical pipe 34 of the siphon drain pipe 30 are configured by a single continuous path without joining the other drain pipes up to the junction joint 39, and are connected to the drain stack 38. It is designed to guide drainage. In addition, the diameter (inner diameter) of the horizontal pipe 32 and the outflow vertical pipe 34 of the siphon drain pipe 30 is set to be smaller than the diameter (inner diameter) of the drain introduction pipe 18 so that the drainage flows at full flow. The drainage of the horizontal pipe 32 is subjected to a siphon force directed toward the downstream direction of the drainage by the energy of the siphon head.

  In the present embodiment, the diameter (inner diameter) of the horizontal pipe 32 and the outflow vertical pipe 34 is smaller than the diameter (inner diameter) of the drainage introduction pipe 18, but the embodiment of the present invention is not limited thereto. . For example, if the siphon effect can be obtained, the diameters of the horizontal pipe 32 and the outflow vertical pipe 34 may be the same as or larger than the diameter (inner diameter) of the drainage introduction pipe 18.

  Further, a vent pipe 36 is connected to the drain chamber 20, and the vent pipe 36 reaches a junction joint 39 through the underfloor space.

  Although the above configuration is described as being applied to the residence 12A, the same watering device 17, drainage introduction pipe 18, drainage chamber 20 is also used in the residences 12B, 12C, 12D, and 12E shown in FIG. A siphon drain pipe 30 is provided. The same applies to other residences and other floors not shown in FIG.

(Drainage chamber)
As shown in FIG. 2, the drainage chamber 20 includes a box-shaped (substantially rectangular parallelepiped) storage tank 26 in which a storage unit 22 for storing wastewater is formed, and a waterproof pan 50 placed on the upper part of the storage tank 26. It is equipped with. The storage part 22 is an internal space of the storage tank 26 in which waste water is stored, and the air layer part 24 is formed in the upper part of the storage part 22 by storing the waste water in the storage part 22.

(Reservoir)
The storage tank 26 is a PVC drainage basin, is installed in the underfloor space V that is a space between the floor slab 16 and the flooring 40, and is disposed through the flooring 40. The floor material 40 is a composite material including a flooring material and a base material for fixing the flooring material, and is arranged at a distance from the floor slab 16 by support legs (not shown) standing from the floor slab 16.

  The storage tank 26 is placed on the floor slab 16 by support legs (not shown), and the flange portion 26A of the storage tank 26 is disposed so as to cover the edge of the through hole of the floor material 40, and closes the through hole. It is out.

  A through hole 26 </ b> B through which the vent pipe 36 passes is formed in the wall surface of the storage tank 26. The ventilation pipe 36 is bent upward in the storage tank 26 and opens to the air layer portion 24.

  A connection port 22A is formed on the wall surface on the opposite side of the through hole 26B across the center line CL of the reservoir 22. A drainage introduction pipe 18 that introduces drainage from the watering device 17 (see FIG. 1) into the storage unit 22 is connected to the connection port 22 </ b> A, and the drainage introduction pipe 18 opens to the storage unit 22.

  A connection port 22B is formed on the same wall surface as the through hole 26B. A horizontal pipe 32 of a siphon drain pipe 30 is connected to the connection port 22 </ b> B, and the horizontal pipe 32 opens to the storage unit 22.

  As shown in FIG. 3, the drainage introduction pipe 18 includes a drainage introduction pipe 18 </ b> A that introduces drainage from the washstand 17 </ b> A (see FIG. 1) into the storage unit 22, and a drainage from the bathroom 17 </ b> C (see FIG. 1). And a drainage introduction pipe 18 </ b> C to be introduced into 22. The drainage introduction pipe 18 is an example of the introduction pipe in the present invention.

  The horizontal pipe 32 is a horizontal pipe 32A that mainly discharges the wastewater introduced from the drainage introduction pipe 18A to the storage section 22, and a horizontal pipe that mainly discharges the drainage introduced from the drainage introduction pipe 18C to the storage section 22. 32C and the horizontal pipe | tube 32B which mainly discharges | emits the waste_water | drain introduced into the storage part 22 from the drain trap 58 mentioned later. The horizontal pipe 32 is an example of the outlet pipe in the present invention.

  The horizontal pipe 32A can discharge not only the wastewater introduced from the drainage introduction pipe 18A to the storage part 22, but also the wastewater introduced from the drainage introduction pipe 18C to the storage part 22 and the wastewater introduced from the drain trap 58 to the storage part 22. . However, more waste water introduced from the drain trap 58 to the storage unit 22 can be discharged than waste water introduced from the drain introduction pipe 18C to the storage unit 22.

  Also for the horizontal pipe 32B, drainage introduced from the drain trap 58 to the storage section 22, drainage introduced from the drain introduction pipe 18A to the storage section 22, and drainage introduced from the drain introduction pipe 18C to the storage section 22 are also discharged. it can.

  For the horizontal pipe 32C as well, drainage introduced from the drainage introduction pipe 18C to the storage section 22, drainage introduced from the drainage introduction pipe 18A to the storage section 22, and drainage introduced from the drain trap 58 to the storage section 22 are also discharged. it can. However, more waste water introduced from the drain trap 58 to the storage unit 22 can be discharged than waste water introduced from the drain introduction pipe 18A to the storage unit 22.

  Concave portions 22C, 22D, and 22E are formed on the bottom surface of the storage tank 26 so that the drainage from the drainage introduction pipe 18A, drainage trap 58, and drainage introduction pipe 18C is discharged from the horizontal pipes 32A, 32B, and 32C, respectively. Yes. The recesses 22C, 22D, and 22E are sloped so that drainage flows in the direction indicated by the arrow in FIG.

  As shown in FIGS. 4 and 5, the recesses 22C, 22D, and 22E are flow channels that are semicircular in cross-sectional view. For example, as shown by the water surface H, the drain introduction pipe 18A, the drain trap 58, and the drain introduction pipe 18C. When the amount of discharged water is small, the respective discharged water passes through the recesses 22C, 22D, and 22E and is discharged to the horizontal pipes 32A, 32B, and 32C. Moreover, when there is much drainage amount, each waste_water | drain is mixed, and the mixed waste_water | drain is discharged | emitted to horizontal pipe | tube 32A, 32B, 32C.

(Waterproof pan)
As shown in FIG. 2, a waterproof pan 50 is detachably mounted on the storage tank 26. That is, the waterproof pan 50 also serves as a lid for the storage tank 26. The waterproof pan 50 is a tray on which the washing machine 17B is placed, and is a water stop member that suppresses drainage of the washing machine 17B from leaking to the surface of the flooring 40. Further, a removable drain trap 58 is attached to the bottom 56 of the waterproof pan 50, and an elbow 59 for connecting a drain hose of the washing machine 17B (see FIG. 1) can be attached to the drain trap 58. Has been.

  Thereby, the waste water from the washing machine 17 </ b> B is discharged to the storage unit 22 of the storage tank 26 via the drain trap 58. As shown in FIGS. 4 and 5, the discharge port 58 </ b> B of the drain trap 58 opens at the top of the recess 22 </ b> D formed on the bottom surface of the storage tank 26, and the drainage from the washing machine 17 </ b> B mainly passes through the recess 22 </ b> D. It is discharged to the horizontal pipe 32B.

  Further, as shown in FIG. 2, the peripheral portion of the waterproof pan 50 is formed with a rising portion 52 for preventing washing drainage from leaking, and as shown in FIG. The raising part 54 which installs the leg of the washing machine 17B is formed. The raised portion 54 can be omitted. Further, the position of the drain trap 58 at the bottom 56 is arbitrary, and the discharge port 58B only needs to be open above the recess 22D. Moreover, it is not necessary to provide the drain trap 58 in the bottom part 56, and it can also be set as the structure which provides the connection port which can connect the drainage hose of the washing machine 17B.

(Action / Effect)
As shown in FIG. 2, in the drainage chamber 20 of the present embodiment, the storage tank 26 is disposed through the floor material 40. For this reason, the storage part 22 which accumulates waste_water | drain can be deepened compared with the structure by which the storage tank does not penetrate the flooring 40 but is stored only in the underfloor space. Thereby, the head pressure of the waste water is increased, and the water pressure of the waste water flowing out from the horizontal pipes 32A, 32B, 32C is increased. Therefore, the siphon effect can be enhanced.

  In addition, the depth of the storage tank 26 (storage part 22) is arbitrary. For example, as shown in FIG. 8, the rising height of the flange portion 26 </ b> A from the floor material 40 can be increased to deepen the storage tank 26. With this configuration, the siphon effect can be further enhanced.

  Further, the diameter (inner diameter) of the horizontal pipe 32 and the outflow vertical pipe 34 is smaller than the diameter (inner diameter) of the drainage introduction pipe 18. This increases the flow rate of the drainage and enhances the siphon effect.

  Further, by increasing the flow rate of the drainage, dirt is less likely to adhere to the inside of the horizontal pipe 32 and the outflow vertical pipe 34. Moreover, even when it adheres, it is easy to wash | clean.

  Moreover, in the drainage chamber 20 of this embodiment, the horizontal pipe 32A which mainly flows the waste_water | drain from the washstand 17A, the horizontal pipe | tube 32B which mainly flows the waste_water | drain from the washing machine 17B, and the horizontal which mainly flows the waste_water | drain from the bathroom 17C. The pipe 32 </ b> C is connected to the storage tank 26 in order.

  For this reason, waste water from the washing machine 17B, which is frequently used and has a large amount of waste water, flows through the recess 22D formed in the central portion of the drain chamber 20 and is discharged to the horizontal pipe 32B. This waste water is discharged into the recesses 22C and 22E. Also flows to the horizontal tubes 32A and 32C. Therefore, for example, even in a residence where the usage frequency of the bathroom 17C is low, the inside of the horizontal pipe 32C through which drainage from the bathroom 17C flows mainly can be cleaned.

  Moreover, even if the distance from the drainage chamber 20 to the piping space 15 (the horizontal pulling distance of the horizontal pipe 32) is increased by increasing the water pressure and flow velocity of the drainage, the drainage from the washstand 17A or the bathroom 17C due to the siphon effect. Can flow.

  For example, FIG. 7 (A) schematically shows the arrangement of watering devices 17 (a wash basin 17A, a washing machine 17B, and a bathroom 17C) in dwellings 12A to 12F of a standard housing complex.

  In an apartment house with a standard configuration, in order to obtain light from outside, a living room is arranged on the corridor side and a living room is arranged on the balcony side, and the watering device 17 is often arranged on the inner side of the dwelling. And it is desirable to provide the piping space 15 in the position divided with the dwellings 12A-12F so that the inspection worker can access easily, and so that the drainage sound is hard to hear in the living space.

  However, for example, as shown in FIG. 7 (C), in order to obtain daylight in the watering space or to obtain an outdoor view when taking a bath, the watering device 17 and the drainage chamber 20 are connected to the outdoor side of the residences 12A to 12F (balconies If it is arranged on the side), the horizontal pulling distance of the horizontal pipe 32 to the piping space 15 becomes longer. In such a case, if the drain chamber 20 is housed only in the underfloor space, a sufficient siphon effect cannot be obtained.

  For this reason, when the drainage chamber 20 is accommodated only in the underfloor space, as shown in FIG. 7B, the piping space 15 is installed near the drainage chamber 20 inside the houses 12A to 12F, and the horizontal pipe A countermeasure such as shortening the lateral pulling distance of 32 is desired.

  On the other hand, in the drainage chamber 20 of this embodiment, since the storage tank 26 of the drainage chamber 20 is disposed through the floor material 40, the siphon effect is enhanced. For this reason, as shown in FIG. 7C, even if the horizontal pulling distance of the horizontal pipe 32 is long, the drainage can be allowed to flow without stagnation.

  Therefore, the piping space 15 can be provided at a position partitioned by the walls from the houses 12A to 12F. Thus, according to the drainage chamber 20 of this embodiment, the freedom degree of the arrangement plan of the watering device 17 becomes high.

  Moreover, in this embodiment, as shown in FIG. 2, the waterproof pan 50 serves also as the lid | cover of the storage tank 26, and is formed so that removal is possible. Further, the drain trap 58 is formed to be removable from the waterproof pan 50. For this reason, the inside of the storage tank 26 can be inspected and cleaned by removing the waterproof pan 50. Moreover, at the time of daily inspection, the inside of the storage tank 26 can be visually recognized by removing the drain trap 58 without removing the waterproof pan 50. On the other hand, for example, when the storage tank 26 and the waterproof pan 50 are configured separately and arranged at different plane positions, it is necessary to provide an inspection port for the storage tank 26 in the flooring 40.

  In the drainage chamber 20 of the present embodiment, both the waterproof pan 50 and the drain trap 58 formed on the waterproof pan 50 are removable, but the embodiment of the present invention is not limited to this. For example, even if the waterproof pan 50 is not removable, the drain trap 58 can be removed and the storage tank 26 can be inspected and cleaned. Or even if it does not make the drain trap 58 removable, the waterproof pan 50 can be removed and the storage tank 26 can be inspected and cleaned.

  Moreover, in the drainage chamber 20 of this embodiment, as shown in FIG. 2, the storage tank 26 and the waterproof pan 50 are made into a separate structure, and the waterproof pan 50 is mounted in the upper part of the storage tank 26. However, the embodiment of the present invention is not limited to this.

  For example, like the drainage chamber 60 shown in FIG. 9, the storage tank part 62 which collects waste_water | drain, the raising part 64 which installs a washing machine, and the raising part 66 which prevents the water leakage to the upper part of the flooring 40 are integrated. It is good also as a structure which forms and makes it possible to remove the cover 68 of the storage tank part. If the drainage chamber is configured as described above, the storage tank portion can also serve as a waterproof pan, so that the number of places that require water stop treatment can be reduced. Therefore, the configuration of the drainage facility can be simplified.

  Moreover, in the drainage chamber 20 of this embodiment, as shown in FIG. 2, although the flange part 26A of the storage tank 26 shall be arrange | positioned so that the edge of the through-hole of the flooring 40 may be covered, The embodiment of the invention is not limited to this.

  For example, like the drainage chamber 70 shown in FIG. 10, the flange portion 72 </ b> A of the storage tank 72 is extended from the upper part of the flooring 40 to the lower part (underfloor space) so that the flange 72 </ b> A is fitted in the through hole of the flooring 40. You may arrange in. With such a configuration, the floor material 40 can be laid after the drainage chamber 70 is installed together with the drainage introduction pipe 18, the horizontal pipe 32, and the ventilation pipe 36. For this reason, the process management of facility construction and floor construction becomes easy.

  In addition, in the drainage chamber 20 of this embodiment, although the vent pipe 36 is connected to the storage tank 26, embodiment of this invention is not restricted to this. For example, it is possible to ventilate the storage tank 26 by using a valve body such as a vent valve for the storage tank 26.

18 Drainage introduction pipe (introduction pipe), 18A Drainage introduction pipe (introduction pipe),
18C Drainage introduction pipe (introduction pipe), 20 Drainage chamber, 24 Air layer part,
26 storage tanks, 32 horizontal pipes (lead pipes), 32A horizontal pipes (lead pipes),
32B horizontal pipe (lead pipe), 32C horizontal pipe (lead pipe), 36 vent pipe,
40 flooring, 50 waterproof pan, 58 drain trap, V underfloor space

Claims (5)

A storage tank that is installed through the floor material in the underfloor space, and a drainage introduction pipe and a discharge pipe are connected in the underfloor space, and an air layer portion is formed in an upper portion in a state where the drainage is stored,
A waterproof pan placed in the storage tank;
Drain chamber with   The drainage chamber according to claim 1, wherein a drainage trap is formed in the waterproof pan, and drainage flows from the drain trap to the storage tank.   The drainage chamber according to claim 1 or 2, wherein a diameter of the outlet pipe is smaller than a diameter of the introduction pipe. A vent pipe is connected to the storage tank in the underfloor space,
The drainage chamber according to any one of claims 1 to 3, wherein the vent pipe passes through the drainage stored in the storage tank and opens to the gas layer portion.   The drainage chamber according to any one of claims 1 to 4, wherein the waterproof pan is a lid of the storage tank and is formed to be removable.