Box body structure for cold chain transportation

The utility model discloses a box body structure for cold chain transportation, which comprises an outer shell, an inner shell and a heat preservation layer, the heat preservation layer comprises a plurality of vacuum units, the vacuum units are connected with one another, and the vacuum units are fixedly arranged between the outer shell and the inner shell; wherein the plurality of vacuum units are distributed in a rectangular array. According to the utility model, the heat preservation layer is divided into a plurality of vacuum units, and the plurality of vacuum units are mutually assembled and arranged between the interlayers of the outer shell and the inner shell, so that the heat insulation function is realized. And the use of chemical raw materials of polyurethane materials is avoided. And the environmental pollution in the processing and production process of the heat preservation box is reduced. And meanwhile, the vacuum units on the heat preservation layer are assembled in a modularized mode, so tha