The main role of fast connector is used for connection, is a product link between a part, with it can realize the advantages of seamless link between many products. Through the link of the quick joint, the product link is stable, and will not produce water leakage, air leakage and electricity leakage phenomenon. Quick joints can be divided into: quick joints for air, quick joints for oxygen fuel gas, quick joints for gas and liquid sharing, quick joints for oil pressure, quick joints for inert gas, quick joints for cooling water temperature oil, and quick joints for semiconductor. The quick connector is an auxiliary device of pneumatic, hydraulic tools, cylinders, hydraulic cylinders and metal mold related machinery. It allows many accessories to interact with each other. Quick connector When the quick connector disconnects and connects the oil circuit, the action is simple, saves time and manpower. When the oil circuit is broken on the oil, the one-way valve on the quick joint can close the oil circuit, and the oil will not flow out to avoid the loss of oil and oil pressure. When the quick joint is broken and connected, the oil will not spill and protect the environment. Equipment is divided into parts for easy transportation: Large equipment or hydraulic tools that need to be easily carried can be separated and transported using quick joints, and then assembled and used after arriving at the destination.