Box expansion prevention device applied to bin fence vehicle

The utility model discloses a container expansion prevention device applied to a stake truck, belongs to the field of cargo transportation, and solves the problem of container expansion in the prior art. The device mainly comprises a side-by-side door, a pin library is arranged on the side-by-side door, a bolt is arranged in the pin library, a rope is arranged on the bolt, one end of the rope is connected to the pin library, and the rope prevents the bolt from being lost; a limiting hole is formed in the part, needing to be inserted into the pin library, of the plug pin, and a fixing pin is arranged in the limiting hole; a through hole is formed in the pin library, and the fixing pin penetrates through the through hole to be matched with the limiting hole. The pin library is arranged below the hinged door, the problem of compartment expansion below the hinged door is solved through matching of the pin library and the plug pin, and the hinged door device is simple in structure and convenient to operate. 本实用新型公