Threaded quick-connection elbow

The utility model provides a threaded quick-connection elbow, relates to the technical field of quick-connection elbows, solves the problem that the existing threaded quick-connection elbow is easy to fall off during connection, and comprises an elbow body, mounting sleeves are sleeved at two ends of the elbow body, one side of each mounting sleeve is connected with a connector, and a locking piece is arranged in each connector. A limiting ring is arranged at one end of each mounting sleeve, a locking mechanism is arranged on the outer surface of the elbow body and close to a port, a first mounting seat is arranged at the top of each locking mechanism, a connecting rod is mounted on the inner side of each first mounting seat through a shaft pin, a clamping block is connected to one end of each connecting rod, a pressing block is connected to the other end of each connecting rod, and a sliding groove is formed in one side of each locking mechanism; the device is novel in design, simple and convenient to operat