Classified preservation equipment for biological strains

The utility model belongs to the technical field of fungus preservation, and particularly relates to classified preservation equipment for biological strains, which solves the problems of incapability of keeping constant temperature and easiness in fungus mixing in the prior art, and comprises a bottom plate and a shell, four connecting rods and four connecting plates are assembled in the bottom plate in a sliding manner; the four connecting rods and the four connecting plates are fixedly connected through screws, a rotating shaft is fixedly embedded in the bottom plate, the bottom of the rotating shaft is fixedly connected with a first bevel gear through a screw, four evenly-distributed partition plates are arranged at the top of the bottom plate, and a containing cylinder is embedded in the top of each connecting plate. Through the arrangement of the structures such as the partition plate and the temperature control module, the temperature control module is installed at the top of the shell, the interior of