Radio frequency coaxial connector

The radio frequency coaxial connector comprises a joint and a socket which are matched with each other, the joint comprises a joint outer shell and a joint inner shell, a slot is arranged in the joint inner shell, the joint outer shell comprises a containing groove used for containing the joint inner shell, a through hole is formed in the bottom wall of the containing groove, and at least part of the joint inner shell is arranged in the through hole in a penetrating mode. The outer side wall of the joint inner shell is connected with the bottom wall of the accommodating groove through a spring structure, the socket comprises a socket shell detachably connected with the joint shell, and a contact pin matched with the slot is arranged in the socket shell; when the connector shell and the socket shell are connected with each other, the spring structure is in a compressed state. According to the utility model, the problem that the existing coaxial connector is easy to loosen in a vibration environment is solved.