JP2571854Y2 - Drain basin with trap - Google Patents

Description

[Detailed description of the invention]

[0001]

TECHNICAL FIELD The present invention relates to a drainage basin with a trap.

[0002]

2. Description of the Related Art It is necessary to arrange a drainage basin at a place where a branch pipe line merges with a main pipe line because dust, mud and the like are easily clogged. As a drainage basin arranged at such a junction, there is a drainage basin with a trap. Conventionally, as shown in FIG. 8, a drainage basin with a trap (10) has an upstream receiving port (2) that communicates from the side of the drainage basin body (1) opening upward to the upstream side of the main pipeline.
And a downstream port (3) to communicate with the downstream side of the main pipeline, and the drainage basin body (1) is provided between the upstream port (2) and the downstream port (3). ), A trap port (4) to be communicated with the branch pipe is provided vertically, and a U-shaped trap (5) is rotatably connected to the trap port (4). ,
The main conduit from the upstream port (2) to the downstream port (3) is in a straight line as shown by the dotted line in FIG.

[0003]

Therefore, in the above conventional drainage basin with trap (10), as shown in FIG.
It must be placed at the position of the straight piping part (13) avoiding the bent part (12) of (11), and there is no flexibility in piping and the bent part (12)
It is necessary to prepare a curved basin (14) separately from the drainage basin with trap (10), and two basins of different types are required. This is because it is necessary to arrange a box because dust, mud, and the like are easily clogged in the bent portion (12). Therefore, a large space is required, and it takes time and labor for construction.
In addition, there have been problems such as an increase in cost economically.

[0004]

According to the present invention, as a means for solving the above-mentioned conventional problems, an upstream-side receiving portion (2A) to which a main pipe (11A) is connected from a side surface of a drainage basin body (1A) opening upward. ) And the downstream receiving portion (3A), and further between the drainage basin body (1A) and the branch pipe line (14A) between the upstream receiving portion (2A) and the downstream receiving portion (3A). Is connected to the U-shaped trap (5A), and the main pipe extending from the upstream-side receiving portion (2A) to the downstream-side receiving portion (3A) at the bottom of the drainage basin body (1A). Road ditches (8
A) draws a curve, and the U-shaped trap (5A) contacts the main pipe groove (8A) via a weir (9A) inside the curve and the main body (1A).
A) Trap port (4A) projecting downward from the bottom
And a drainage basin with a trap (10A) having inclined surfaces (9B, 9B) inclined toward the weir on both left and right sides of the weir (9A). In the above configuration, it is preferable that an outer edge of the main pipeline groove (8A) is set so as not to protrude outside the drainage basin body (1A), and further, a support leg is provided from a bottom of the drainage basin body (1A). It is desirable that a portion (6A) is suspended and that the lower surface of the support leg (6A) and the lowest portion of the U-shaped trap (5A) are at the same level.

[0005]

[Function] The drainage basin with trap of the present invention (10A) connects the upstream side and the downstream side of the main pipeline (11A) to the upstream side receiving part (2A) and the downstream side receiving part (3A), respectively. Branch line for U-shaped trap (5A)
(14A) is connected. Upstream port (2A) to downstream port
The main conduit groove (8A) at the bottom of the drainage basin (1A) leading to (3A) is a drainage basin.
In (10A), the curve is drawn. The U-shaped trap (5A) is a trap port which is in contact with the main conduit groove (8A) inside the curve of the pipe axis of the main conduit groove (8A) and is projected downward from the bottom of the main body (1A). (4A), the connection position of the U-shaped trap (5A) is the main conduit groove (8A)
The structure for introducing the branch stream into the drainage basin (10A) becomes very compact. Further, if the outer edge of the main pipeline groove (8A) is set so as not to protrude outside the drainage basin body (1A), the structure becomes more compact. Then, a supporting leg (6A) is vertically suspended from the bottom of the drainage basin body (1A), and the lower end of the supporting leg (6A) is set at the same level as the lowest portion of the U-shaped trap (5A). (10A) can be stably installed on the foundation. In the drainage basin (10A) having such a structure, the water flowing through the main conduit groove (8A) is centrifugally applied to the main conduit groove.
(8A) oriented outside the bend, and therefore the branch conduit (14A)
Branch flow from the U-shaped trap (5A) via the weir (9A) without interfering with the main flow flowing through the main pipeline groove (8A).
1A). At this time, the slopes (9B, 9
B), the branch flow is guided by the inclined surfaces (9B, 9B), overflows the weir (9A), flows into the main pipeline (11A), and is not interfered with by the main flow, and the weir (9A) When overflowing the slope (9B, 9
B), the branch flow into the main pipeline (11A) is extremely smooth. Furthermore, if the outer edge of the main conduit groove (8A) is set so as not to protrude outside the drainage basin body (1A), the main conduit groove (8A) does not have an overhang portion. Water flowing through the main pipeline groove (8A) is a U-shaped trap (5A)
Since there is almost no rebound to the side, the inflow of the branch flow into the main pipeline (11A) is further smoothed. Moreover, in this case, the main pipeline groove (8
(A) is entirely exposed at the opening of the drainage basin body (1A),
As described above, since there is no overhang portion, inspection and cleaning from the opening of the drainage basin body (1A) is extremely easy.

[0006]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described with reference to an embodiment shown in FIGS. 1 to 7. The drainage basin with a trap (10A) is connected to an upstream receiving port (2A) from the side of the drainage basin body (1A) opening upward. ) And the downstream-side receiving portion (3A), and a main conduit groove extending from the upstream-side receiving portion (2A) to the downstream-side receiving portion (3A) is provided at the bottom of the drainage basin body (1A).
(8A) is recessed, and the upstream port (2A) and the downstream port (3
A) between the bottom of the drainage basin body (1A) and the main pipe groove (8A) from the bottom of the drainage basin (4A), the trap receiving port (4A) is downwardly inserted,
The trap port (4A) has a configuration in which a U-shaped trap (5A) is rotatably connected, and extends from the upstream port (2A) to the downstream port (3A). The main conduit groove (8A) has a curved curve of θ = 90 ° as shown by the dotted line in FIG. 5, and the trap port (4A) is disposed inside the curved line. The trap port (4A) is in contact with the main pipeline groove (8A) via a weir (9A), and inclined surfaces (9B, 9B) are formed on both left and right sides of the weir (9A). I have. And as is clear from FIGS. 3 and 6,
The outer edge of the main conduit groove (8A) is set so as not to protrude outside the drainage basin body (1A). As described above, the position of the trap receiving portion (4A) is in a state of being held in contact with the main conduit groove (8A), and the outer edge of the main conduit groove (8A) has the outer periphery of the drainage basin body (1A). ), The structure of the drainage basin becomes extremely compact. Also, legs (6A, 7A) are suspended from the bottom of the drainage basin body (1A) and the bottom of the U-shaped trap (5A) connected to the trap port (4A). The lower end of the support leg (6A) and the lower end of the support leg (7A),
It is at the same level as the lowest part of the trap (5A).

As shown in FIG. 7, the drainage basin (10A) having the above structure is disposed at a bent portion of a main pipe (11A), for example, a sewage pipe, and has an upstream receiving port (2A) of the drainage basin (10A). ) And the downstream side receiving portion (3A) are connected to the upstream side and the downstream side of the main pipeline (11A), respectively. The U-shaped trap (5A) is connected to, for example, a branch pipe (14A) which is a drain from a home kitchen. The lower end of the supporting leg (6A) of the body (1A) of the drainage basin (10A),
Since the lower end of the support leg (7A) of the U-shaped trap (5A) is at the same level, the drainage basin (10A) can be stably installed on the foundation, and therefore the drainage basin (10A) Installation work and plumbing work become extremely easy. The drainage (branch) from the home kitchen is guided from the U-shaped trap (5A) to the left and right slopes (9B, 9B) of the weir (9A) and overflows the tsunami weir (9A) to drain the sewage pipe ( 11A), but the U-shaped trap (5A) is sealed by the drainage so that odor from the sewer pipe (11A) does not enter the branch pipe (14A). . The water (main stream) flowing through the sewer pipe (11A) is a drainage basin (10A)
At the point of 排水, it is oriented to the outside of the bend of the main conduit groove (8A) of the drainage basin (10A) by centrifugal force, and the outer edge of the main conduit groove (8A) protrudes outside the drainage basin main body (1A). 6, there is no overhang portion in the main conduit groove (8A) as is apparent from FIG. 6, and therefore, it is oriented outside the bend of the main conduit groove (8A) as shown by the arrow a. Most of the water does not rebound to the U-shaped trap (5A) side, and
The branch stream from (A) flows into the drainage basin (1A),
The water flows smoothly into the drainage basin (10A) without interference from the main flow in the main pipeline groove (8A) that forms part of (A).

The main conduit groove (8A) of the drainage basin (10A) is entirely exposed at the opening of the drainage basin body (1A). (1A)
It is extremely easy to inspect and clean from the opening.

In the present invention, the bending angle θ of the main conduit from the upstream port to the downstream port may be set to a value other than 90 °, for example, 120 ° or 135 °.

[0010]

[Effect of the Invention] As described above, the present invention arranges a drainage basin with a trap at a curved portion of a main pipeline and can join branch flows at this position. It can be used individually, the extra parts are saved, it can be installed at half the economic cost and half the space. The U-shaped trap for introducing the upper branch flow is connected in contact with the inside of the main pipeline groove at the bottom of the drainage basin, so that the structure is extremely compact and piping work is facilitated. Therefore, the labor required for construction is greatly reduced, and the branch flow introduced from the branch pipeline to the main flow of the main pipeline via the U-shaped trap does not stagnate or flow backward at the point of the drainage basin. It is guided and smoothly flows into the main pipeline through the weir. Inspection and cleaning inside the drainage basin is also very easy.

[Brief description of the drawings]

 1 to 7 show an embodiment of the present invention.

FIG. 1 is a perspective view

FIG. 2 is a front view

FIG. 3 is a plan view

FIG. 4 is a right side view

FIG. 5 is a sectional view taken along line AA in FIG. 2;

FIG. 6 is a sectional view taken along line BB in FIG. 3;

FIG. 7 and FIG. 9 show a conventional example.

FIG. 8 is a perspective view.

FIG. 9 Piping diagram

[Explanation of symbols]

 1A Drainage basin body 2A Upstream inlet 3A Downstream inlet 4A Trap inlet 5A U-shaped trap 6A Leg 8A Main conduit groove 9A Weir 9B Inclined surface 10A Drain basin with trap 11A Main conduit 14A Branch pipe Road

Claims (3)

(57) [Scope of request for utility model registration] An upstream receiving port and a downstream receiving port to which a main pipeline is connected are inserted from a side surface of a drainage basin body that opens upward, and an upstream receiving port and a downstream receiving port are connected to each other. A main pipe groove extending from the upstream-side receiving portion to the downstream-side receiving portion at the bottom of the drainage basin main body, wherein a U-shaped trap to which a branch conduit is connected is provided from the drainage basin main body. Draws a curve, and the U-shaped trap is connected to a trap receiving portion projecting downward from the bottom of the main body in contact with the main conduit groove via a weir inside the curve, and A drainage basin with a trap formed on both left and right sides thereof, the slope being inclined toward the weir; 2. The drainage basin with a trap according to claim 1, wherein an outer edge of the main channel groove is set so as not to protrude outside the drainage basin body. 3. The drainage basin main body according to claim 1, wherein a supporting leg is suspended from a bottom portion of the main body, and a lower surface of the supporting leg and a lowest portion of the U-shaped trap are at the same level. Drain basin with trap