External pressure rubber joint

Abstract

The invention discloses an external pressure rubber joint aiming to solve a technical problem of easy explosion and damage due to excessive internal pressure of a present rubber joint. The joint comprises an external joint, an internal joint, a connection disc and a rubber compensator, wherein the external joint is formed by an inlet part and a housing part; the end part of the housing part is provided with a first flange; the internal joint is formed by an outlet part and a telescopic part; the telescopic part is covered with the housing part; the end part of the telescopic part is provided with a second flange; the connection disc concentrically covers the outlet part; the first flange is fixed to the external edge of the connection disc; the rubber compensator concentrically covers the telescopic part; one end of the rubber compensator is fixed to the second flange and the other end is fixed to the internal edge of the connection disc; a connection part between the internal inlet part and the housing part of the external joint is provided with a diversion cylinder; one end of the diversion cylinder is fixed to the inner wall of the external joint; and the other end of the diversion cylinder extends to the telescopic part. The external pressure rubber joint is advantaged by pressure resistance, excellent vibration reduction and noise reduction property, safety, reliability and long service life.

Description

technical field [0001] The invention relates to the technical field of pipeline connection, mainly relates to pipeline connection parts, in particular to an external pressure rubber joint for pipeline connection. Background technique [0002] Based on the large dependence on water in today's industrial production and daily life, pipeline water transportation, as the most economical and convenient way of water transportation, has long been widely accepted and applied by the society. Among them, pipeline connection technology, as an important part of pipeline water delivery, has always been the key object of concern in this field, and the pipeline connection components involved are also being continuously optimized and improved, such as pipe joints connecting rigid pipelines. Factors such as axial displacement, angular displacement, lateral displacement, and non-parallel flanges between flanges cause difficulties in construction. Flexible rubber joints are often used to comple...

AI Technical Summary

Problems solved by technology

Among them, pipeline connection technology, as an important part of pipeline water delivery, has always been the key object of concern in this field, and the pipeline connection components involved are also being continuously optimized and improved, such as pipe joints connecting rigid pipelines. Factors such as axial displacement, angular displacement, lateral displacement, and non-parallel flanges between flanges cause difficulties in construction. Flexible rubber joints are often used to complete the connection between rigid pipelines. The rubber joints currently used in pipelines , is an internal pressure rubber joint, that is, the rubber joint is subjected to high liquid pressure inside, and the rubber product is easy to expand under the condition of internal pressure. Once the instantaneous pressure is too large, it may explode, cause danger, and cause engineering accidents; If the pump or pump is reversed, a negative pressure will be generated in the pipeline, which is very likely to suck the rubber joint and cause mechanical damage

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