Disposable connector capable of being switched from virtual connection state into real connection state

The utility model relates to a connector capable of being switched from a virtual connection state into a real connection state, in particular to a disposable connector capable of being switched from a virtual connection state into a real connection state, aiming to resolve problems that the existing connector capable for being switched from a virtual connection state into a real connection state is complex in structure, multiple in parts, high in matching precision requirement, high in cost and pool in reliability. A safety tube is arranged into a second center hole of a first connecting part and a through hole of a second connecting part, a cylindrical pin is arranged inside a tube cavity of the safety tube and slidably engaged with the same, a section of tube cavity of the safety tube corresponding to the first connecting part is a cavity, a spring base is seated on a first small-diameter cylinder of the cylindrical pin, one end of the spring base is arranged inside a first center counter bore of the safet