| 摘要 |
PURPOSE: To provide a quick connect coupling assembly that is made of plastics and is easy for manufacture, assembly and use. CONSTITUTION: A coupling assembly A includes a male coupling element B that is connected to a first fluid line at its one end and has circumferential ditch formed in outer surface, a female coupling element C that is connected with a second fluid line at its one end and has circumferential ditch formed in outer surface, and a cylindrical sleeve D that is circumferentially connected at one end and receives one of the ditch formed in the male coupling element B and the female coupling element C. The connection element rotates about the central part by pressing an operation part formed in one end. |
