JPH0853876A - Drop basin device with trap - Google Patents

Abstract

PURPOSE:To omit a catch basin with a trap which is installed to the upstream side of a drop basin installed to an offset area of a drain pipeline and allow one manhole main body to be served for both manholes and prevent the generation of oddor. CONSTITUTION:A connection opening 22, which is open donward, is installed to a drop basin body 11 provided with a flow outlet 14 and flow inlets 16 and 17 while a flap pipeline 21 is connected thereto by way of an elastic O ring or the like turnably, and what is more, watertight. Then, the trap pipeline 21 is connected to a drain pipeline from a building, such as a bathroom by way of elbows, for example. The waste water from a building is adapted to be drained over an overflow part 23 so that the odor produced therein may not flow backward. This construction makes it possible to provide a function which prevents the generation of the odor from a manhole with a trap and connects the drain pipeline only by connecting one manhole main body and a function which connects an upper elevation of the drop basin to the lower elevation by way of the drain pipeline in case when a drainpipeline system is installed to an uneven housing area or when the drain pipeline for a bathroom, for example, in a building is connected to the upstream side the drop basin in an uneven area.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a drop container with a trap installed on a stepped portion in a residential land.

[0002]

2. Description of the Related Art Conventionally, drainage basins installed in residential land are
Almost made of concrete or polypropylene resin with a diameter of 30 cm was used, but with the narrowing of residential land,
In addition, various types of drainage pipes made of vinyl chloride resin having a diameter of about 15 cm to 20 cm have recently been adopted so that rainwater, groundwater, etc. do not enter the drainage pipe connected to the drainage pipe. For example, when installing a drainage pipe in a place with a large step in a residential area, the drainage basin that connects the high position and the low position
A drop basin with an outlet on the bottom is used.

The drop basin is conventionally used in the piping system shown in FIG. 4, for example. That is, when a drainage pipe is installed from a high position to a lower position below, the drop basin 2 is installed on the upstream side (higher position) of the stepped portion 1, but the drainage basin 3 is installed near the upstream side of the drop basin 2. When connecting the drainage pipe 5 from the building 4 to the drainage pipe 3, for example, if the drainage pipe 5 is connected to the bathroom 6, the odor will not flow back from the drainage pipe 5 to the bathroom 6 or the like. , It is necessary to connect the trap 7.

[0004]

However, when installing the conventional drop basin, it is necessary to install the drainage basin 3 with the trap 7 and the drop basin 2 individually, so that the installation place becomes narrow. . In addition, since the water pipe and the gas pipe are buried in the ground in advance, the workability is deteriorated. further,
Drainage basin 2 with drop basin 2 and trap 7 in a narrow space
When and are installed in parallel, there is a problem that the appearance is deteriorated, an extra piping member is required, and the construction cost is increased.

The present invention has been made in view of the above problems, and eliminates the need to install a drainage basin with a trap in the vicinity of the upstream of the drop basin installed in the step portion of the drainage pipeline, and to provide one drop basin. It is an object of the present invention to provide a drop basin device with a trap, which has the functions of a drainage basin with a trap and a drop basin.

[0006]

According to a first aspect of the present invention, there is provided a drop box device with a trap, which comprises a box main body having an upper portion opened upward and an outlet opening downward. A connection port for connecting the trap tube is formed downward on a side portion of the sill body, and the trap tube is rotatably connected to the connection port.

According to a second aspect of the present invention, there is provided a drop basin apparatus with a trap according to the first aspect, wherein an inlet is formed in a side portion of the basin body.

[0008]

In the drop container with a trap according to the present invention, a drain pipe from a building or the like can be connected to the trap pipe connected to the connection port for connecting the trap pipe of the drop container main body. It is possible to connect the drainage pipe from and the drainage pipe from the place such as the bathroom of the building with one drop. By connecting the pipe to the lower outlet which is opened downward in the lower portion of the drop basin body, the drain pipe can be connected to the upper high position and the lower lower position.

According to a second aspect of the present invention, there is provided a drop basin apparatus with a trap according to the first aspect of the present invention, in which the drainage pipe on the upstream side is securely formed by forming an inflow port in a side portion of the basin body. Can be connected to.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The construction of an embodiment of the drop container with trap of the present invention will be described below with reference to FIGS.

FIG. 1 is a vertical sectional front view showing a drop container device with a trap. In FIG. 1, 11 is a drop container body,
The drop container main body 11 is formed of a synthetic resin such as vinyl chloride resin and is formed in a substantially inverted truncated cone shape whose diameter is expanded upward, and a cylindrical receiving port which is expanded and opened upward in the upper portion. 12
Is formed, and a cleaning tube (not shown) is connected to the receptacle 12. In addition, the receiving port 12 is formed with an annular engagement step portion 13 for engaging a cleaning pipe fitted at the inner end of the inner peripheral surface of the receiving port 12.

In the lower part of the drop container main body 11, there is formed a lower outlet port 14 of a receiving port which is smaller in diameter than the concentric upper receiving port 12 and opens downward, and the inner circumference of the outlet port 14 is formed. An annular engagement step portion 15 for engaging a pipe (not shown) fitted into the outflow port 14 is formed on the surface.

Further, cylindrical inlets 16 and 17 are formed on the front and rear sides of the drop container main body 11, respectively.

The inflow port 1 of the drop box main body 11
A bulging portion 20 bulging downward is formed at an upper portion of one side surface in the direction of 90 degrees with respect to 6 and 17, and a socket-like connection for connecting the trap tube 21 to the lower portion of the bulging portion 20. The mouth 22 is integrally projected. At the top of this connection port 22 is the trap barrel body 11
An overflow portion 23 is formed in a communication portion between the inside of the and the connection port 22.

An annular recess 24 is formed in the inner peripheral surface of the connection port 22 in the vicinity of the lower end thereof, and an engagement step for engaging the U-shaped trap tube 21 at the rear end of the connection port 22. The part 25 is formed in an annular shape.

On the outer peripheral surface of one end of the trap tube 21, an annular groove 26, into which an elastic ring such as an O ring is fitted,
27 are provided in parallel with each other, and an annular projecting portion 28 which is rotatably engaged with the concave portion 24 is formed below the annular concave grooves 26, 27.

A receiving port 29 opened upward is formed at the other end of the trap pipe 21, and an elbow pipe (not shown) connected to a drain pipe is formed on the inner periphery of the receiving port 29. An engaging step portion 30 that engages is formed in an annular shape.

The inlets 16 and 17 are, as shown in FIG.
The drop basin body 1 is provided at the front and rear sides with the same diameter and concentricity, and the inlets 16 and 17 are formed with a downward slope such that the inner end side faces downward.

Next, the operation of this embodiment will be described.

As shown in FIG. 3, the drain pipe 34 on the upstream side is connected to either one of the inlets 16 and 17 formed on the front and rear sides of the drop container main body 11 installed on the upstream side of the step portion 33. Then
The other is closed with an obturator (not shown).

A drain pipe 37 of, for example, a bathroom 36 of the building 35 is connected to the trap pipe 21 via an elbow.

Then, the sewage from the upstream flows into the drop basin body 11 through the inflow port 16 (or the inflow port 17), and the overflow portion
By 23, it does not flow out to the trap tube 21 side, and the outlet
It falls to 14, and flows out to a downstream drainage pipe 37 via a pipe, an elbow, etc. connected to the outflow port 14. Further, the drainage from the building 35 passes through the trap pipe 21, flows over the overflow portion 23 in the drop container main body 11, and is discharged from the outlet 14.

The trap tube 21 connected to the connection port 22
By fitting a waterproof elastic ring such as an O-ring into the annular recessed grooves 26, 27 at one end of the, the liquid-tightness is surely maintained, and the recess 24 of the connection port 22 and the trap tube 21 are secured. Since the trap pipe 21 can be rotated without coming off by fitting with the protruding portion 28, the connection with the drain pipe 37 becomes easy.

The downstream drainage pipe 37 is connected to a public basin.

In the embodiment, the inlets 16 and 17 are provided on the front and rear sides.
However, the structure is not limited to this structure, and the inflow port may be formed only on one side, or the inflow port may not be formed at all.

Further, although the outlet 14 of the drop container main body 11 is formed concentrically with the upper receptacle 12 of the cleaning port, it can be formed eccentrically, and the outlet 14 can be a receptacle. Alternatively, a pipe-shaped outlet may be used.

[0027]

According to the drop container with trap of the invention described in claim 1, when a drainage pipe system is installed in a residential land having a step, a bathroom of a building or the like is provided upstream of the drop container provided in the step. If you want to connect a drainage basin, you can connect only one basin body, one basin can prevent the odor of a drainage basin with a trap, and a drainage basin can be connected. It has a function that can be connected to a high position above and a low position below through a drainage pipe, and it can be installed easily even if the construction site is narrow, and it does not require extra members, so it can be obtained at low cost. be able to.

According to the drop container with trap of the invention described in claim 2, since the inflow port is formed in the front and rear side portions of the container body, at the time of construction, depending on the connection position of the drain pipe,
A drain pipe from the upstream side can be easily connected to either the front or rear direction of the sill body only by closing the other inlet with an obturator.

[Brief description of drawings]

FIG. 1 is a vertical cross-sectional front view showing an embodiment of a drop container with trap of the present invention.

FIG. 2 is a plan view of the above.

FIG. 3 is a piping diagram of the above.

FIG. 4 is an explanatory diagram showing a connected state of a conventional drop container device.

[Explanation of symbols]

 11 Masu main body 14 Outlet port 16 Inlet port 17 Inlet port 21 Trap tube 22 Connection port

Claims (2)

[Claims] 1. An upper part is opened upward, and
The lower part is provided with a box main body with an outlet opening downward, and a connection port for connecting the trap tube is formed downward on the side part of the box main body, and the trap tube is rotatably connected to this connection port. This is a drop box device with a trap. 2. The drop container with trap according to claim 1, wherein an inflow port is formed on a side portion of the container body.