Plastic inner container for air cylinder made of carbon fiber composite material

A plastic inner container for a carbon fiber composite air cylinder comprises an inner container body, breather pipe bases and a drain pipe base, the breather pipe bases are arranged at the two ends of the inner container body, the drain pipe base is arranged on the side wall of the inner container body, each breather pipe base comprises an embedded pipe and an outer connector, and the embedded pipes and the inner container body are integrally formed. The outer connector is connected with the embedded pipe in a screwed mode. A protruding hollow connecting column is arranged on the side wall of the inner container body, and the drainage pipe base is connected to the hollow connecting column in a sleeved mode. A circle of anti-rotation skirt edge is arranged on the outer wall of the embedded pipe, and the anti-rotation skirt edge is embedded into the inner container body. And at least one notch is formed along the periphery of the anti-rotation skirt edge and is used for being mutually buckled with the liner bo