The invention discloses an expanded anti-dumping and labor-saving travel rod box, including a case, a suction rod and a case door, wherein a suction rod is arranged on the box shell, the main gear isinstalled in the interior of the housing, the bevel gear is fixed on the vertical bar, an upper linkage gear is installed inside that upper chain, the lower linkage gear is fix on the linkage lever, the movable lever is installed on the slide rail, the fix lever is fixed with a clamping block, the fixing sleeve is installed on the fixing lever, an opening is opened on the horizontal plate, an extension plate is installed on the case shell, and the fixing knob is installed on the case shell. As the expand anti-dumping and labor-saving travel trolley case, a new type of structure design is adopted to design the structure with fixed function, which solves the problem that the traditional device is not convenient to be fixed, and the structure with anti-dumping function is designed to solve the problem that the traditional device is easy to be dumped, and the structure with expanded function is designed to solve the problem that the traditional device can not be expanded.