JPH0551957A - Catch-basin device with trap - Google Patents

Abstract

PURPOSE:To prevent the clogging of a trap pipe, and to connect each connecting section easily and positively by fitting and adhesion by reducing the outflow of soil and sand into the trap pipe. CONSTITUTION:A cleaning hole 32 is bored and formed to the upper sea section of an approximately cylindrical-shaped catch-basin body 31 made of a rigid vinyl chloride resin, and a sheathing section 33 is formed to a bottom. A cleaning hole pipe 34 is fitted and connected to the cleaning hole 32. An inflow port 36 is protruding on the outside from one side section of the catch-basin body 31, A drain pipe 37 from a footbath is fitted and bonded with the inflow port 36. An outflow port 38 is protruding curvedly at approximately 90 deg. toward the lower side from the other side section of the catch-basin body 31. One end section of a trap pipe 41 is connected rotatably to the outflow port 38 in a liquid-tight manner. A drain pipe 47 on the downstream side is bonded with the other end section of the trap pipe 41 through a branch connection 44. When drainage containing soil and sand flows into the catch-basin body 31 from the inflow port 36 through the drain pipe 3 7, soil and sand sediment and deposit on the sheathing section 33 of the bottom of the catch-basin body 31, and only a supernatant liquid flows out of the outflow port 38.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a drainage basin device with a trap having a soil reservoir.

[0002]

2. Description of the Related Art For example, a drainage pipe from a foot washing place installed outside a building is considered to be a part of drainage equipment, and is therefore connected to a public sewer. In this case, a trap is provided in the vicinity of the foot washing area of the drain pipe so that the odor from the public sewer does not flow into the foot washing area via the drain pipe.

And, as a conventional trap of this type,
A trap device 1 as shown in FIG. 5 and a trap device 2 as shown in FIG. 6 are used.

In the trap device 1 shown in FIG. 5, a U-shaped trap pipe 5 to which a drain pipe 4 from a foot washing place is connected, and a basin body 6 to which the other end of the trap pipe 5 is connected.
It is composed of and. In addition, in this main body 6, a cleaning port 9 to which the cleaning port pipe 8 is connected is formed at the upper part, and an inlet 11 to which the trap tube 5 is connected is formed at one side opening downward. The outlet port 14 to which the drain pipe 12 on the downstream side is connected is formed in the other side portion. In addition, the trap device 1 has a function of stopping odor by the waste water accumulated in the trap tube 5, and the inside of the trap tube 5 and the tub body 6 can be cleaned from the upper cleaning port 9.

Further, in the trap device 2 shown in FIG. 6, the drain pipe 4 from the foot washing place is formed with an opening at one side of a reservoir 16 made of polypropylene resin and having a diameter of about 30 cm, and a seal packing 17a is fitted therein. It is connected to the inflow port 17. Then, the elbow pipe is inserted into the outlet 18 formed with an opening on the other side of the sump 16 and fitted with the seal packing 18a.
One end of the trap pipe 21 is connected via 20 or the like, and the drain pipe 12 on the downstream side is connected to the other end of the trap pipe 21 via a pipe joint 22 or the like. In addition, this trap device 2 has a function of stopping odor by the waste water accumulated in the trap tube 21, and can accumulate earth and sand inside the storage tank 16. In the case of this trap device 2,
The same effect can be obtained by connecting the elbow pipe 22 shown by the alternate long and two short dashes line downward inside the outlet 18 of the reservoir 16 instead of providing the trap pipe 21 on the downstream side of the reservoir 16.

[0006]

However, when the trap pipe 5 is directly connected to the drain pipe 4 from the foot washing place as in the conventional trap device 1 shown in FIG. 5, the trap pipe 5 is filled with earth and sand. However, there is a problem in that sediment and the like easily pass through the trap pipe 5 and the basin body 6 and enter the drainage pipe 12 on the downstream side to be easily deposited.

Further, in the trap apparatus 2 shown in FIG. 6, although earth and sand can be deposited in the storage tank 16, the storage tank 16 is provided with an inflow port 17 and an outflow port 18 with a hole saw or the like. Drain pipe 4 at inlet 17 and outlet 18 of
Complicated piping work such as joining these with seal packing 17a, 18a is required. Further, this trap device 2 has the problems that the installation cost is high due to the large number of members and joint portions, and there is a risk of water leakage or infiltration water from such joint portions.

The present invention has been made in view of the above points, and can prevent the inflow of odors from a drain pipe on the downstream side such as a public sewer, and can also prevent the inflow of odor from the drain pipe on the upstream side such as a foot washing place. It is an object of the present invention to provide a drainage basin device with a trap capable of preventing the accumulation of sediment in a trap pipe and the outflow to a drain pipe on a downstream side, by depositing slag in a soil reservoir.

[0009]

According to a first aspect of the present invention, there is provided a drainage basin apparatus with a trap having a cleaning opening formed in an upper portion thereof.
A drainage basin body with a soil reservoir formed at the bottom, an inlet formed on the side of the drainage basin body for fittingly connecting an upstream drainage pipe, and a side portion of the drainage basin body from the inlet. It is provided with an outflow port formed to project downward from a low height position, and a trap tube fitted and connected to the outflow port.

According to a second aspect of the present invention, there is provided a drainage basin apparatus with a trap according to the first aspect, wherein an inner end portion of the outflow port is located inside a peripheral portion of the cleaning opening. It is a thing.

[0011]

In the drainage basin device with a trap according to the invention described in claim 1, when the drainage containing the sediment flows into the drainage basin body from the inlet through the upstream drainage pipe, the sediment basin body is discharged. Settles and accumulates in the bottom soil reservoir, and only the supernatant liquid flows out to the downstream drainage pipe through the trap pipe, and the outflow of sediment to the trap pipe and downstream drainage pipe is suppressed. .. Moreover, since the connection portions can be easily connected by fitting, workability is improved.

According to the drainage basin apparatus with a trap of the invention described in claim 2, in addition to the action of the drainage basin apparatus with the trap of the invention of claim 1, the inner end of the outflow port is located inside the peripheral portion of the cleaning port. Since it is located at, the inside of the trap tube can be easily cleaned through the cleaning port of the drainage basin body. Further, the core of the mold can be pulled out from above and below, and the shape of the mold can be simplified.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The construction of an embodiment of a drainage basin apparatus with a trap according to the present invention will be described below with reference to the drawings.

In FIG. 1, 31 is a drainage container main body made of hard vinyl chloride resin or the like. Is formed in the upper part and the bottom part is closed to form a soil reservoir 33. And in this cleaning port 32,
The cleaning port tube 34 is fitted and connected to the ground surface G, and the opening 35 at the upper end is fitted and closed with the detachable lid 35 or the reduced diameter portion of the lid receiver. ..

An inflow port 36 having a diameter of, for example, 50 mm to 75 mm is provided on the upper part of one side of the drainage basin body 31 so as to project outward, and the outer end of the inflow port 36 is made thin. A drain pipe 37 from a foot washing place installed outside the building is fitted and connected to the formed receiving opening.

From the height of the other side of the drainage basin body 31 which is slightly lower than the inflow port 36, for example, a diameter of 50 mm
A 100 mm outflow port 38 is provided so as to bend downward by about 90 degrees. The end of the outlet 38 is expanded to form a receiving port 38a, and an annular groove 39 is formed near the end of the inner peripheral part of the receiving port 38a.

Reference numeral 41 is a substantially U-shaped trap tube. An annular recess 42a having an elastic ring 42 such as an O-ring fitted on the outer peripheral surface of one end of the trap tube 41, and the annular recess 42a. And an annular protrusion 43 that is parallel to the. One end of the trap tube 41 is fitted into the receiving port 38a of the outflow port 38, the elastic ring 42 is brought into close contact with the inner peripheral surface of the receiving port 38a, and the annular groove 39 and the annular projection 43 are engaged. However, they are liquid-tightly and rotatably connected. And this trap tube 41
The lower opening 44a of the substantially T-shaped branch joint (cheese) 44 is fitted and connected to the other end of the branch joint 44, and the cleaning port pipe 46 is fitted and connected to the upper opening 44b of the branch joint 44. The drainage pipe 47 on the downstream side, which is connected to the sewer main (not shown), is fitted and connected to the opening 44c on the side. Also, the cleaning pipe 46
Is raised to the ground surface G, and the lid 48 is detachably fitted and closed at the upper end.

It should be noted that each connecting portion by fitting is firmly adhered and fixed by an adhesive.

Thus, in the drainage basin apparatus with a trap of this embodiment, the drainage containing soil and sand from the foot washing area is drained.
When flowing into the drainage basin body 31 from the inflow port 36 via 37, such earth and sand settles and deposits in the soil reservoir 33 at the bottom of the drainage basin body 31, and only the supernatant liquid passes through the trap tube 41 and the like. It flows out to the drain pipe 47 on the downstream side. So the trap tube
The amount of earth and sand flowing out to 41 and the drainage pipe 47 on the downstream side is small, and clogging of the trap pipe 41 and the drainage pipe 47 on the downstream side can be prevented.

Further, since each member is made of a hard vinyl chloride resin and each connecting portion can be easily and surely connected by fitting and bonding, the inlet 36 or the outlet 38 is bored by a hole saw or the like and seal packing is performed. No complicated work such as fixing the drainage pipe 37 is required, and the workability can be improved and work efficiency can be improved, and water leakage or intrusion water can be prevented.

Since the drainage basin body 31 and the trap pipe 41 are rotatably connected to each other, the trap pipe 41 can be freely rotated in accordance with the pipe at the installation site, and the workability can be improved.

In the present embodiment, the cleaning port 32 of the drainage basin body 31 and the soil storage portion 33 have substantially the same diameter, and the drainage basin body 31 has a substantially cylindrical shape. However, as shown in FIGS. , One side portion of the soil reservoir 33 is formed in a curved shape, and an outlet 52 that opens downward is formed in the upper surface of the recess 51. The inner end A of the outlet 52 is a cleaning port. It can also be located inside the peripheral portion B of 32. By forming the outflow port 52 in this way, the inside of the trap tube 41 can be easily cleaned by a cleaning tool inserted from the cleaning port 32 of the drainage basin body 31. Therefore, it is not necessary to provide the cleaning port 46 above the other end of the trap pipe 41, and the trap pipe 41 can be connected to the drain pipe 47 on the downstream side via the elbow pipe 55 to facilitate the piping work. .. Further, if the outlet 52 is formed in this way, it is possible to pull out the mold core of the drainage container main body 31 from above and below, simplifying the shape of the mold and reducing the production cost of the drainage basin device with a trap. Can be reduced.

Further, instead of forming the recess 51 on one side of the soil reservoir 33 as described above, the soil reservoir 33 is formed in a cylindrical shape having a diameter smaller than that of the cleaning port 32, and is arranged in the lower portion of the cleaning port 32. The same effect can be obtained by forming with care.

In each embodiment, the drainage basin body 31
The inflow port 36 and the outflow port 38 are eccentric only in the vertical direction and are formed to face each other. However, as shown in FIG. 4, the inflow port 36 and the outflow port 38 are also deviated in the horizontal direction. By forming it with care, the drainage flow path is bent and extended, and the inlet 36
It is possible to prevent the sediment and the like flowing in from flowing out from the outlet 38 directly, and to separate the sediment more reliably and deposit it in the soil reservoir 33.

In each embodiment, the drainage basin body 31
A trap tube 41 was rotatably connected to the outflow port 38, but the end of the outflow port 38 was merely a receiving port, and the trap tube was connected to this receiving port.
41 may be adhesively fitted.

[0026]

According to the drainage system with a trap of the invention described in claim 1, odor can be prevented from flowing in from a drainage pipe on the downstream side such as a public sewer, and at the same time, it can flow in from a drainage pipe on the upstream side such as a foot washing place. It is possible to prevent the accumulation of sediment in the trap pipe and the outflow to the drain pipe on the downstream side. Moreover, since the respective connection portions can be easily connected by fitting, workability can be improved and work efficiency can be improved.

According to the drainage basin apparatus with a trap of the second aspect of the invention, in addition to the effect of the drainage basin apparatus with the trap of the invention of the first aspect, the inner end of the outflow port is closer to the peripheral portion of the cleaning port. Since it is also located inside, it is possible to easily clean the inside of the trap tube through the cleaning port of the drainage basin body. Also, it is possible to pull out the mold core from the top and bottom,
It is possible to simplify the shape of the mold and reduce the production cost of the drainage basin apparatus with a trap.

[Brief description of drawings]

FIG. 1 is a partially cutaway side view showing an embodiment of a drainage basin apparatus with a trap of the present invention.

FIG. 2 is a partially cutaway side view showing a drainage basin apparatus with a trap according to another embodiment of the present invention.

FIG. 3 is a bottom view of the same.

FIG. 4 is a top view showing a drainage basin apparatus with a trap according to another embodiment of the present invention.

FIG. 5 is a vertical cross-sectional view showing an example of a conventional trap device.

FIG. 6 is a partially cutaway side view showing another example of the conventional trap device.

[Explanation of symbols]

 31 Drain basin body 32 Cleaning port 33 Soil reservoir 36 Inlet 37 Drain pipe 38 Outlet 41 Trap pipe A Inner end B Peripheral edge

Claims (2)

[Claims] 1. A drainage basin body having a cleaning opening formed in an upper portion and a soil storage portion in a bottom portion, and an inlet for fittingly connecting an upstream drainage pipe formed in a side portion of the drainage basin body. The drainage channel main body is provided with an outlet port formed to project downward from a height position lower than the inlet port, and a trap tube fitted and connected to the outlet port. Drainage basin device with a trap. 2. The drainage basin apparatus with a trap according to claim 1, wherein an inner end portion of the outflow port is located inside a peripheral edge portion of the cleaning port.