A universal joint for a trench flange

Abstract

The utility model is suitable for pipeline connecting equipment technical field provides a kind of general connecting piece of groove flange, it includes: transition pipe, its one end is equipped with first flange, and the outer wall ring of other end is equipped with locating groove;Combined flange is sleeved in the one end of transition pipe away from first flange, the combined flange includes two half flanges, the inside of each half flange is equipped with the positioning ring protrusion corresponding with locating groove, the side wall of half flange is equipped with the bar-shaped hole for fixed, the bar-shaped hole corresponds with the positioning hole of the flange of the end of pipeline, by this, the utility model is connected with the structure of a kind of groove flange, ensure that groove flange can be assembled to form a two-end flange connecting structure, without damaging the structure of flange, directly connecting the pipeline flange of flange two ends, without damaging the structure of groove flange, reduce the cost of refitting and processing.

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