Patent attributes
A tool box structure includes multiple tool boxes. Each of the tool boxes includes a first case, a second case, a first restriction unit, and a second restriction unit. The first case is provided with a receiving space, multiple first mounting portions, a first locking portion, a first inclined face, two second mounting portions, and a limit portion. The second case is provided with multiple third mounting portions, a second locking portion, a second inclined face, two fourth mounting portions, a first receiving groove, a second receiving groove, and a third receiving groove. The first restriction unit is mounted in the first receiving groove and moved in the first receiving groove to restrict or release the limit portion. The second restriction unit is mounted in the second receiving groove. The second restriction unit is assembled with the first restriction unit.