Novel flap valve

Abstract

A novel flap valve comprises a base and a cover plate; the base is connected with the cover plate through a hinge; the cover plate is provided with a traction ring which is a copper ring; the traction ring is arranged in the middle of the cover plate. According to the novel flap valve, the cover plate is provided with the traction ring and accordingly the flap calve can be smoothly opened and closed when a pipe is plugged by dirt to enable the sewage to be discharged timely, the manpower is saved, too many manpower costs are not required, and the hygienic city appearance of the city is protected; the flap valve can be rapidly opened and closed and accordingly the sewage discharge of a pipe network is not delayed, and the service life of the flap valve is extended; the flood discharge time can be shortened when a flood occurs, the flood can be discharged smoothly, the pipe can be protected, the erosion on the pipe due to the sewage is reduced, the service life of the pipe is extended, the fund pressure of the city municipal administration is reduced, the sewage in the pipe cannot overflow the surface, and the image of the city is maintained.

Description

technical field [0001] The invention relates to water conservancy equipment, in particular to a novel flap door. Background technique [0002] Most of the flap doors are installed at the ports of the pipelines, which play the role of discharging sewage in the pipelines. During the process of discharging sewage, the flap doors often have a lot of sewage and dirt blocked at the pipe openings, so that the flap doors cannot be opened and closed normally, resulting in There are more and more dirt in the pipeline, which will eventually lead to the blockage of the pipeline, causing the sewage in the pipeline to not be discharged smoothly, affecting people's normal life, causing the sewage in the pipeline to overflow the pipeline, causing the sewage to flow across the road surface, seriously affecting The appearance of the city, at present, many flap doors are opened and closed by the pressure difference of water pressure, but the pipeline cannot be opened and closed smoothly due to...

AI Technical Summary

Problems solved by technology

[0002] Most of the flap doors are installed at the ports of the pipelines, which play the role of discharging sewage in the pipelines. During the process of discharging sewage, the flap doors often have a lot of sewage and dirt blocked at the pipe openings, so that the flap doors cannot be opened and closed normally, resulting in There are more and more dirt in the pipeline, which will eventually lead to the blockage of the pipeline, causing the sewage in the pipeline to not be discharged smoothly, affecting people's normal life, causing the sewage in the pipeline to overflow the pipeline, causing the sewage to flow across the road surface, seriously affecting The appearance of the city, at present, many flap doors are opened and closed by the pressure difference of water pressure, but the pipeline cannot be opened and closed smoothly due to the blockage of dirt, which makes more and more dirt in the sewage. In this case It is necessary to manually open and close the door, but the weight of the door is very heavy, and it takes a lot of time and energy manually, which often delays the timely discharge of sewage in the pipeline. Failure to discharge the sewage in time may cause pressure on the pipeline, and the sewage will erode the pipeline for a long time. It may cause the pipeline to collapse, affecting the roads in the city, causing damage to the roads, and bringing inconvenience to people's lives

Images