Plugging device for indoor water discharge pipe water filling test

Abstract

The invention discloses a plugging device for an indoor water discharge pipe water filling test. The plugging device comprises an expansion joint, a concentric reducer, a short pipe and a valve which are integrally connected from top to bottom, wherein the top of the expansion joint is provided with threads and a locking nut which is matched with the threads; the top of the expansion joint is also provided with an inclined plane which is formed by expanding outwards; and the inner side of the inclined plane is tightly attached to a sealing ring. Through the plugging device, the water filling test is performed on a water discharge pipe layer by layer, the leakproofness of the pipe is timely detected, and problems are timely found and corrected; a vertical water discharge pipe can be more firmly and reliably fixed with the expansion joint by squeezing the sealing ring; meanwhile, plugging is performed by using a valve, the plugging device is suitable for all water discharge pipes and is manually operated conveniently, and the plugging effect is greatly improved.

Description

Plugging device for water irrigation test of indoor drainage pipe technical field The invention belongs to the technical field of inspection of building drainage pipes, and in particular relates to a plugging device for water irrigation test of indoor drainage pipes. Background technique During the construction of water supply and drainage pipelines, it is often necessary to temporarily block part of the drainage pipelines for irrigation tests to check whether the drainage pipelines are leaking. At present, the irrigation test is to use the air bag to block the drainage pipe, such as a kind of air bag for the pipeline disclosed in the Chinese patent CN2711504Y. The capsule body is equipped with a valve core and a fastening nut on the valve nozzle. There are several embossed lines on the circumference P of the outer wall of the capsule body. It has the characteristics of high strength, no bursting, no bottoming, no air leakage, and long service life. However, in actual ...

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Problems solved by technology

However, in actual use of this type of airbag, due to the unevenness of the inner wall of the drainage pipe, the outer wall of the airbag cannot be closely attached to the inner wall of the drainage pipe after inflation, resulting in the inability to effectively block the drainage pipe, which directly affects Inspect the drainage pipe; moreover, before the airbag is inflated, it is difficult to locate in the drainage pipe. If it is not operated properly, it will fall into the drainage pipe, which will affect the efficiency of the inspection and is not easy to take out; moreover, the airbag needs to pass through the drainage pipe The inspection port provided on the top is put into the drainage pipe, but the inspection port of the drainage pipe is not set up layer by layer, so it is still impossible to carry out the irrigation test of the drainage pipe layer by layer, so that problems cannot be found in time during the construction of the drainage pipe, which affects the construction progress

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