JPH0124233Y2 - - Google Patents

Description

[Detailed Description of the Invention] (Field of Industrial Application) The present invention relates to a trap installed to prevent odor in drainage water in a drainage path.

(Prior Art) As shown in Figure 3, a conventional trap has a synthetic resin main body a and a trap part d that receives inflow water introduced from the outside through an introduction pipe b and an elbow c. and a tubular invert part e with an open top that receives overflow water and discharges it to the outside, and by positioning the tip of the elbow c below the water surface of the trap part d, the main body a This prevents the wastewater odor inside from flowing back into the introduction pipe b.

(Problems to be Solved by the Invention) In the conventional device described above, the tip of the elbow c enters the trap portion d, so the distance between the elbow c and the trap portion d becomes relatively narrow, and the tip of the elbow c enters the trap portion d. It has the drawback that it is easily clogged with dirt, and since dirt settles inside the trap section d, the flow becomes even worse.

If it becomes clogged with dirt, it is necessary to remove the glued elbow c, which makes cleaning difficult.

Furthermore, a drainage pipe is connected to the invert part e, but its center is eccentric from the center of the planar circular body a, which causes the inconvenience of complicating construction work when arranging a large number of traps, especially the entire trap. If the trap is made of synthetic resin, there is a problem that the buried trap will gradually come to the surface at a later date due to earth pressure or other factors.

The present invention aims to solve these inconveniences.

(Means for solving the problem) In the present invention, the main body of the trap has an open trap section that receives inflow water from the outside, and an open upper part that receives overflow water from the trap section and discharges it to the outside. In a device that is provided with a tubular invert part, the main body and the invert part are integrally formed of concrete, and a trap part formed of a synthetic resin curved pipe that bypasses the lower outer periphery of the invert part is attached thereto. I decided to bury it.

(Function) The inflow water that flows in from the outside through the introduction pipe passes through the trap part, overflows to the invert part, and from there flows out to the drain pipe. Since it is constructed of pipes, there are no narrow areas where filth can become clogged, and sediments do not accumulate easily, allowing for smooth drainage.The main body and invert part are made of heavy concrete, so after being buried in the soil, it can be easily drained by soil pressure, etc. It can prevent floating.

(Embodiment) An embodiment of the present invention will be explained with reference to FIGS. 1 and 2. 1 is a main body of a trap made of concrete and is approximately cylindrical; 2 is a trap formed at the upper side of the main body 1; An inlet pipe 3 is connected to the outside of the inlet 2 at the inlet.

Reference numeral 4 indicates a synthetic resin trap portion continuously formed on the side of the main body 1 of the inlet 2, and 5 indicates an invert portion formed of concrete integrally with the main body 1 at a location lower than the inlet 2 of the main body 1.

The invert portion 5 is formed into a tubular shape with an open upper end 6, and both ends thereof are formed into cylindrical connecting portions 8, 8 to which a drain pipe 7 is attached, as seen in FIG.

The trap part 4 is formed of a curved pipe having approximately the same diameter as the inlet 2, and when the main body 1 and the invert part 5 are formed of concrete, the middle part 4a thereof is curved along the lower part of the tubular invert part 5, and the tip 4b is buried so as to open on the side of the invert section 4 opposite to the inlet 2.

The main body 1 is usually buried in the ground, but a raised pipe 9 made of concrete or the like with a cover plate is connected above it as necessary, and repairs, cleaning, etc. inside the main body 1 can be carried out through this. It is done.

The inflow water such as sewage flowing into the inlet 2 flows inside the trap part 4 and flows from the tip 4b to the invert part 5.
However, the trap section 4 consists of a series of synthetic resin curved pipes that bypass the invert section 5 from the inlet 2 to the overflow, and cannot be opened midway. Because there is no waste, it flows easily and is difficult to get clogged with dirt.

In addition, since the invert part 5 can be formed through the center of the main body 1, it is small and easy to center with the drainage pipe, which is convenient for construction. They rarely emerge from the inside.

(Effects of the invention) According to the invention, the main body and the invert part are integrally molded with concrete, and the trap part of the synthetic resin curved pipe that bypasses the lower outer periphery of the invert part is buried in this, so that water can be removed. Flows easily, making it difficult for sediments to form, providing a uniform distribution area, which prevents dirt from clogging, making it easy to clean from the end of the trap, and placing the invert part in the center of the main body, making installation easier. It is simple, and since the main body and invert part are made of concrete and are heavy, it has the effect of preventing floating after construction.

[Brief explanation of the drawing]

FIG. 1 is a cross-sectional side view of an embodiment of the present invention, FIG. 2 is a cross-sectional plan view taken along the -line, and FIG. 3 is a cross-sectional view of a conventional example. 1... Main body, 4... Trap section, 5... Invert section.

Claims (1)

[Scope of utility model registration request] The main body of the trap is provided with a trap section that receives inflow water from the outside, and a tubular invert section that is open at the top and receives overflow water from the trap section and discharges it to the outside. This is a trap in which the main body and the inverted part are integrally formed of concrete, and a trap part made of a bent synthetic resin pipe that bypasses the lower outer periphery of the inverted part is buried in this.