Quick connector of excavator

The utility model relates to the technical field of excavators, and aims to provide a quick connector of an excavator, which comprises a shell, and a fixed jaw is arranged at the lower part of the shell towards one side; a movable grab hook is hinged to one side, back on to the fixed jaw, of the lower part of the shell through a hinge shaft; a jacking oil cylinder is hinged into the shell, and theend of a piston rod of the jacking oil cylinder is hinged to the movable grabbing hook. A locking crank arm is hinged into the shell, a locking rod parallel to the hinge shaft is arranged at the endof the locking crank arm, and after the movable claw hook is unfolded in the direction away from the fixed jaw under the action of the jacking oil cylinder, the locking rod can abut against the end wall of the side, facing the fixed jaw, of the movable claw hook under the rotation of the locking crank arm. The locking crank arm is used for driving the locking rod to rotate and abut against the movable grab hook for limitin