JP3014618U - A device to prevent the generation of odors and pests in sewers - Google Patents

Abstract

(57) [Summary] [Purpose] There is a backflow prevention valve lid that prevents the generation of odors and pests from the sewer main without preventing the drainage from flowing into the sewer main. Providing protection devices. [Structure] A bearing ring 4 is attached to the inner wall of the communication pipe 3 in an airtight state by a bearing ring 4 provided in the middle of the communication pipe 3 obliquely provided between the sewer main pipe 1 and the sewage basin 2. A windsock cylindrical body 5 formed of a flexible sheet is continuously provided on the support ring 4 at the rear of the support ring 4, and a rear opening 5'of the windsock cylindrical body 5 is provided so as to be closed when the water flow is stopped. A device to prevent the generation of odors and pests in sewers.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a device for preventing the generation of odors and pests in a sewer having a valve backflow prevention valve for preventing odors and pests from the sewer mains.

[0002]

[Problems to be solved by conventional techniques and devices]

 In the past, there was no means to prevent the generation of odors and pests leaking from the sewer main, and once they occurred, they spread to the streets and became pollution.

The present invention has an anti-reflux valve lid that prevents the generation of odors and pests from the sewer main without preventing the drainage from flowing into the sewer main. A preventive device is provided.

[0004]

[Means for Solving the Problems]

 The gist of the present invention will be described with reference to the accompanying drawings.

A bearing ring 4 is attached in an airtight state to the inner wall of the communication pipe 3 with a support ring 4 in the middle of the communication pipe 3 obliquely provided between the sewer main pipe 1 and the sewage basin 2. A windsock cylindrical body 5 formed of a flexible sheet is continuously provided on the support ring 4 at the rear of the support ring 4, and the rear opening 5'of the windsink cylinder 5 is closed when the water flow stops. It relates to a device for preventing the generation of odors and pests in sewers, which is characterized by being provided. Further, a closing mechanism a composed of a lower magnet 6 and a light attracting piece 6'for closing the blow-off cylindrical body 5 when the water flow stops is provided in the rear opening 5'of the blow-off cylindrical body 5. It relates to a device for preventing the generation of odors and pests of sewers according to item 1.

[0006]

[Operation] The rear opening 5'of the tubular body 5 is naturally opened by the water pressure of the waste water flowing toward the sewer main 1, so that the inflow of the waste water is not hindered. When the flow of drainage is stopped, the rear opening 5'of the blow-off cylindrical body 5 is closed to prevent the generation of odors and pests and backflow.

At this time, the closed state is reliably maintained by the attraction between the magnet 6 provided in the rear opening 5'and the attraction piece 6 '.

[0008]

【Example】

 The drawing shows a preferred embodiment, in which a bearing ring 4 is provided in the middle of a communication pipe 3 obliquely provided between the sewer main pipe 1 and the sewer tub 2, and the outer edge of the bearing ring is attached to the inner wall of the communication pipe 3. The support ring 4 is fixed to the air-tight state, and the blow-off cylindrical body 5 made of a flexible sheet is connected to the support ring 4 at the rear of the support ring 4. It relates to a device for preventing the generation of odors and pests in sewers, which is installed so that it will be closed when the water supply stops.

Further, the odor of sewer provided with a closing mechanism a composed of a lower magnet 6 for closing the wind-swept tubular body 5 and a light adsorption piece 6 ′ when water flow stops at the rear opening 5 ′ of the wind-swept tubular body 5. The present invention relates to a device for preventing outbreak and pest outbreak.

In the illustrated closing mechanism 9, for example, a lower magnet 6 is attached to the lower side of the rear opening 5 ', and a light attracting piece 6' (may be an attracting magnet) is attached to the upper side of the rear opening 5 '. When the water flow is stopped, the upper adsorption piece 6'falls by its own weight and is attached to the lower magnet 6 on the lower side to automatically close it, thereby preventing the generation of odors and pests from going out of the sewage basin 2. When the running water comes, the lower magnet 6 and the light adsorption piece 6'are separated from each other by the water pressure, and the rear opening 5'is naturally opened by the amount of running water to enable drainage.

A rubber ring may be attached to the outer peripheral edge of the bearing ring 4 to maintain airtightness, or a front edge portion 5 ″ of the blow-off cylindrical body 5 may be fitted to the outside of the bearing ring 4 to ensure airtightness. It is desirable to retain.

[0012]

[Effect of device]

 Since the present invention is configured as described above, the drainage is blown off by the water pressure of the water flowing into the sewer main and the rear opening of the cylindrical body is opened, and when the drainage flow is stopped, the valve lid is opened due to its own weight and the magnetic action of the closing mechanism. Even if odors and pests are generated from the closing, it is possible to prevent backflow into the sewage basin and prevent pollution on the road before it is possible to provide a sanitary sewage system Sewer odor generation It also serves as a preventive device against the occurrence of diseases and pests.

[Brief description of drawings]

FIG. 1 is a cross-sectional view showing a usage state of the present embodiment.

FIG. 2 is a cross-sectional view of a main part of the first embodiment in a running water state.

FIG. 3 is a sectional view showing a main part of the first embodiment in a state where water flow is stopped.

[Explanation of symbols]

 1 Sewer main 2 Sewage basin 3 Communication pipe 4 Support ring 5 Windsock cylindrical body 5'Rear opening 6 Magnet 6'Adsorption piece

Claims (2)

[Scope of utility model registration request] 1. A bearing ring is attached to an inner part of a communication pipe obliquely provided between a sewer main pipe and a sewage basin, and an outer edge of the bearing ring is fixed to an inner wall of the communication pipe in an airtight state. The sewage odor is characterized in that a windsock tubular body formed of a flexible sheet is continuously provided behind the bearing ring, and the rear opening of the windsock tubular body is provided so as to be blocked when the water flow stops. Outbreak and pest outbreak prevention device. 2. The sewer system according to claim 1, further comprising a closing mechanism including a lower magnet and a light-adsorbing piece for closing the blow-off cylinder when the water flow stops at the rear opening of the blow-off cylinder. A device to prevent the generation of odors and pests.