JPH0948U - Drainage basin with trap - Google Patents

Abstract

(57) [Abstract] [PROBLEMS] An object of the present invention is to provide a drainage basin with a trap installed at a confluence point between a mainstream and a branch flow, to smoothly join the branch flow into the mainstream and to stably install the drainage basin. Is to be able to do. In a drainage basin (10A), a receiving portion (4A) of a U-shaped trap (5A) into which a branch flow flows is arranged inside a curved line of a curved main conduit groove (8A) of a main body (1A) through which a main flow flows.
The support leg 6A is extended from the bottom, and the lower end of the support leg 6A is at the same level as the lowest part of the U-shaped trap 5A.

Description

[Detailed description of the device]

[0001]

[Technical field to which the invention belongs]

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

[0002]

[Prior art]

 It is necessary to place a drainage basin at the point where the branch pipe merges with the main pipe, because dust and mud are likely to be clogged. A drainage basin with a trap is a drainage basin located at such a junction. Conventionally, as shown in FIG. 8, a drainage basin (10) with a trap is provided with an upstream receiving port (2) and a main pipeline that should be connected to the upstream side of the main pipeline from the side surface of the drainage basin body (1) that opens upward. The downstream side receiving part (3) to be connected to the downstream side of the drainage basin body (1) between the upstream side receiving part (2) and the downstream side receiving part (3). The trap receiving part (4) to be connected to the pipeline is provided vertically, and the U-shaped trap (5) is rotatably connected to the trap receiving part (4). The main pipe line from the upstream side receiving part (2) to the downstream side receiving part (3) is on a straight line as shown by the dotted line in FIG.

[0003]

[Problems to be solved by the device]

 Therefore, in the conventional drainage basin with a trap (10), as shown in FIG. 9, the drainage tub (10) must be arranged at the position of the straight pipe part (13) avoiding the bent part (12) of the pipe line (11). There is no degree of freedom and it is necessary to prepare a curved rod (14) separately from the drainage rod (10) with a trap in the bent portion (12), and two rods of different types are required. This is because it is necessary to place a basin because dirt, mud, etc. are likely to be caught in the curved part (12). Therefore, there is a problem that a large space is required, the construction is troublesome, and the cost is economically high.

[0004]

[Means for Solving the Problems]

 As a means for solving the above-mentioned conventional problems, the present invention has an upstream side receiving part (2A) and a downstream side receiving part (3A) to which the main pipe line (11A) is connected from the side surface of the drainage basin body (1A) opening upward. ) And a U-shaped trap (14A) is connected between the drainage basin body (1A) and the branch pipe (14A) between the upstream side inlet (2A) and the downstream side inlet (3A). 5A), and the main conduit groove (8A) extending from the upstream receiving port (2A) to the downstream receiving port (3A) at the bottom of the drainage basin body (1A) draws a curve. , The U-shaped trap (5A) is connected to the trap receiving port (4A) which extends downward from the bottom of the main body (1A) in contact with the main conduit groove (8A) inside the curve. , The supporting leg (6A) is extended from the bottom of the drainage basin body (1A), and the lower end of the supporting leg (6A) and the lowermost part of the U-shaped trap (5A) are at the same level. It is to provide a pit (10A). In the above-mentioned structure, it is desirable that the outer edge of the main conduit groove (8A) is set so as not to protrude to the outside of the drainage basin body (1A).

[0005]

[Action]

 The drainage basin with trap (10A) of the present invention connects the upstream side and the downstream side of the main pipe (11A) to the upstream side receiving part (2A) and the downstream side receiving part (3A), respectively, and is a U-shaped The branch line (14A) is connected to the trap (5A). The main drainage channel (8A) at the bottom of the drainage basin body (1A) from the upstream side inlet (2A) to the downstream side inlet (3A) is curved at the drainage basin (10A). The U-shaped trap (5A) is in contact with the main conduit groove (8A) inside the curve of the pipe axis of the main conduit groove (8A) and extends downward from the bottom of the main body (1A). Since it is connected to the mouth (4A), the connection position of the U-shaped trap (5A) is in a state of being held in the main conduit groove (8A), and a branch flow is introduced into the drainage basin (10A). The structure for doing this is very compact. Further, if the outer edge of the main conduit groove (8A) is set so as not to protrude outside the drainage channel main body (1A), the structure becomes more compact. With the drainage basin (10A) of the present invention installed in place, the lower end of the support leg (6A) at the bottom of the drainage basin body (1A) and the bottom of the U-shaped trap (5A) are at the same level. The drainage basin (10A) can be installed stably on the foundation, and the installation work and piping work of the drainage basin (10A) will be extremely easy. In the structure of the drainage basin (10A) of the present proposal, the water flowing through the main conduit groove (8A) is oriented to the outside of the bend of the main conduit groove (8A) by centrifugal force, and further the water of the main conduit groove (8A) is If the outer edge does not extend outside the drainage basin body (1 A), there will be no overhang in the main channel groove (8 A), so in this case the water is a U-shaped trap. There is almost no bounce on the (5A) side, so the branch flow from the branch pipe (14A) does not interfere with the main flow flowing in the main pipe groove (8A) and passes through the U-shaped trap (5A). It smoothly flows into the main pipeline (11A). Then, if the outer edge of the main conduit groove (8A) does not protrude outside the drainage basin body (1A), the main conduit groove (8A) will be entirely attached to the opening of the drainage basin body (1A). In this state, since there is no overhang as described above, inspection and cleaning from the opening of the drainage basin body (1 A) is extremely easy.

[0006]

【Example】

 The present invention will be described with reference to one embodiment shown in FIGS. 1 to 7. The drainage basin (10A) with a trap is provided with a side face of the drainage basin body (1A) that opens upward and an upstream side inlet (2A) and a downstream side. Side outlet part (3A), and the main conduit groove (8A) extending from the upstream side inlet part (2A) to the downstream side inlet part (3A) at the bottom of the drainage basin body (1A). The recess is provided so that the trap is in contact with the main conduit groove (8A) from the bottom of the drainage basin body (1A) between the upstream side receiving section (2A) and the downstream side receiving section (3A). Has a structure in which the U-shaped trap (5A) is rotatably connected to the trap receiving port (4A) and the U-shaped trap (5A) is rotatably connected to the upstream receiving port (2A). The main conduit groove (8A) from the downstream side inlet (3A) to the downstream side inlet (3A) has a curve bent by θ = 90 ° as shown by the dotted line in FIG. 5, and the trap inlet (4A) has the curved line. It is arranged inside. 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). In this way, the position of the trap port (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) is located at the drainage basin body (1A). Since it does not protrude outside the area), the structure of the drainage basin becomes extremely compact. Further, a supporting leg (6A, 7A) is hung 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 supporting leg (6A) and the lower end of the supporting leg (7A) are at the same level.

As shown in FIG. 7, the drainage basin (10A) having the above-mentioned configuration is arranged, for example, in a curved portion of a main pipeline (11A) which is a sewer pipeline, and the drainage basin (2A) of the drainage basin (10A). ) And the downstream side inlet (3 A) are connected to the upstream side and the downstream side of the main pipeline (11 A), respectively. The U-shaped trap (5A) is connected to, for example, a branch pipe (14A) which is a drainage channel from a home kitchen. The lower end of the supporting leg (6A) of the main body (1A) of the drainage basin (10A) and the lower end of the supporting leg (7A) of the U-shaped trap (5A), that is, the lowest part of the U-shaped trap (5A) Since the drainage basin (10A) is at the same level, it can be stably installed on the foundation, and the installation work of the drainage basin (10A) and the piping work are extremely easy. And the drainage (branch flow) from the home kitchen flows into the sewer pipe (11A) from the U-shaped trap (5A) through the main pipe groove (8A) of the drainage basin (10A). 5A) is water-sealed by the drainage so that the odor from the sewer pipeline (11A) does not enter the branch pipeline (14A) side. Then, the water (main stream) flowing through the sewer pipe (11A) is directed to the outside of the bend of the main pipe groove (8A) of the drain pipe (10A) by centrifugal force at the location of the drain pipe (10A), and Since the outer edge of the groove (8A) does not protrude to the outside of the drainage basin body (1A), there is no overhang portion in the main conduit groove (8A), as is apparent from FIG. As shown by the arrow a, the water oriented outside the bend of the main conduit groove (8A) hardly bounces back to the U-shaped trap (5A) side, and therefore the branch from the branch conduit (14A). In the drainage basin body (1A), the flow smoothly flows into the drainage basin (10A) without being interfered with by the main flow of the main pipeline groove (8A) forming a part of the sewage pipeline (11A).

The main conduit groove (8A) of the drainage basin (10A) is wholly exposed at the opening of the drainage basin body (1A), and since there is no overhang portion as described above, the drainage basin body Inspection and cleaning from the opening of (1A) is extremely easy.

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

[0010]

[Effect of the invention]

 According to the present invention, as described above, since the drainage basin with a trap can be arranged in the curved portion of the main pipeline and the branch flow can be joined at this position, there is a large degree of freedom in piping and a single basin is sufficient. Materials are saved, and it can be installed at half the economical cost and in half the space. Since the U-shaped trap for introducing the upper branch flow is connected to the inside of the main conduit groove at the bottom of the drainage basin, the structure is extremely compact, and the drainage basin of the present invention can be stably installed on the foundation. , The drainage basin installation work and piping work will be extremely easy. Therefore, the labor required for construction is greatly improved, and the branch flow introduced from the branch pipe to the main flow of the main pipe through the U-shaped trap smoothly flows into the main pipe without stagnation or backflow at the drainage basin. To do. It is also very easy to inspect and clean the inside of the drainage basin.

[Brief description of 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

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

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

FIG. 7: Piping diagram FIGS. 8 and 9 show a conventional example.

FIG. 8 is a perspective view.

[Figure 9] Piping diagram

[Explanation of symbols]

 1A Drainage basin body 2A Upstream inlet 3A Downstream inlet 4A Trap inlet 5A U-shaped trap 6A Support leg 8A Main conduit groove 10A Drain basin with trap 11A Main conduit 14A Branch conduit

Claims (2)

[Utility model registration claims] 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, the U-shaped trap is connected to a trap receiving portion which is provided on the inner side of the curve and comes down from the bottom of the main body in contact with the main pipe groove, and is connected to the bottom of the drainage basin main body. A drainage basin with a trap, wherein a support leg is provided and the lower end of the support leg and the lowest part of the U-shaped trap are at the same level. 2. The drainage basin with a trap according to claim 1, wherein the outer edge of the main conduit groove is set so as not to protrude outside the drainage basin body.