Virus sample preservation device

The utility model relates to the technical field of sample preservation, and discloses a virus sample preservation device which comprises a storage box, the upper end of the storage box is rotationally connected with a box cover through a hinge, the box cover is fixedly connected with the storage box through a buckle, a limiting groove is formed in the inner wall of the storage box, and a sliding block is slidably connected in the limiting groove; a plurality of groups of clamping assemblies are fixedly connected between the sliding blocks, each clamping assembly comprises a first clamping plate and a second clamping plate, and sample storage tubes are clamped and slide in the first clamping plates and the second clamping plates. The bidirectional threaded rod is rotated to drive the sliding block to slide in the sliding groove, the sliding block can drive the first clamping plate and the second clamping plate to get close to each other to clamp and fix a sample storage tube located in the first clamping plat