Polyurethane rigid foam agricultural product case that keeps fresh

The utility model relates to a polyurethane rigid foam agricultural product case that keeps fresh is equipped with polyurethane rectangle lower cover at the lower extreme opening part of polyurethane rectangle box, and the upper surface edge of polyurethane rectangle lower cover and the lower extreme edge in close contact with of polyurethane rectangle box constitute the ring packing and glue the groove, glues the inslot at the ring packing and is equipped with the support gasket that is the straight -flanked ring column structure, and the lateral wall that the opening tip of communicating pipe runs through lateral wall, the ABS box body of polyurethane rectangle box in order is equipped with a plurality of intercommunicating pore on the lateral wall at the middle part of communicating pipe in the inner chamber of ABS box body. The utility model discloses set up frozen water storage cavity in traditional box of making by polyurethane foam to inner chamber through communicating pipe and ABS box body directly is linked together, is used for communicateing the refrigerated frozen water, and the cooling degree that makes temperature in the whole box to keep in balance prevents that agricultural product are rotten, but agricultural product independent packing simultaneously, and the structure is reliably firm, is effective instrument of guaranteeing the fresh degree of agricultural product.