Threaded joint for steel pipe

The invention discloses a screwed joint for a steel pipe, and belongs to the field of screwed joints. The threaded connector for the steel pipe comprises a connector body and a steel pipe body, and the steel pipe body is connected into the connector body in a threaded mode. The locking sleeves are symmetrically arranged on the two sides of the connector body. The locking sleeve is sleeved on the steel pipe body; the sealing grooves are symmetrically formed in the two ends of the joint body; the extrusion rings are symmetrically fixed on the locking sleeve, and the extrusion rings are matched with the sealing grooves; the air bag ring is fixed in the sealing groove, and the air bag ring is matched with the extrusion ring; the fixing assembly is used for fixing the joint body; the sealing degree of the connector body and the steel pipe body is effectively improved, and the mounting efficiency of the connector body and the steel pipe body is effectively improved. 本发明公开了用于钢管的螺纹接头，属于螺纹接头领域。用于钢管的螺纹接头，包括：接头本体和钢管本体，所