Door shaft device capable of being quickly disassembled and assembled and adjusting door slot

The utility model relates to the technical field of door shaft devices. The utility model relates to a door shaft device, in particular to an adjustable door slot type door shaft device. Wherein the quick mounting module is mounted at the top of a door frame, and the door crack adjusting module is mounted on one side of a door leaf. The utility model discloses a door shaft device capable of beingquickly disassembled and assembled and adjusting a door slot. The lifting nut is screwed into the bottom of the first adjusting screw; the elasticity of the compression spring is utilized; the adjusting plate is propped against the first seat plate; the pin shaft on the quick mounting module is matched with the needle roller bearing on the door slot adjusting module; the door body can be rotated easily and conveniently during opening and closing; the rapid installation module and the door crack adjusting module are installed on the top of the door frame and one side of the door leaf respectively, unsmooth opening and