The utility model provides a multi -functional loaded structure relates to an oxygen bomb formula calorimeter technical field. The utility model discloses an including oxygen bomb, interior bucket, inside and outside bucket intermediate layer, outer bucket, blow -off line, execution unit and blockage device, the oxygen bomb is located the bucket, is provided with inside and outside bucket intermediate layer between inner tube and the urceolus, and interior barrel head portion is provided with blow -off line, the last execution unit that installs of blow -off line, and the inner tube is provided with loaded device with blow -off line's intercommunication department. The utility model discloses the ingenious capillary effect of utilizing combines instrument waterway structure, both can reduce or reduction thermal system and room temperature between thermal loss, the invariant of the bucket water yield in guaranteeing.