Sample storage device for laboratory detection

The invention discloses a sample preservation device for laboratory detection, and belongs to the technical field of sample preservation, a plurality of groups of positioning fans are arranged at the bottom of a positioning convex ring, and a positioning cavity matched with a locking part is formed between an upper group of positioning plates and a lower group of positioning plates; a plurality of groups of inserting blocks are further movably arranged on the outer wall of the tank body, and when the locking part is inserted into the positioning cavity, the arc-shaped part locks the space between the vertical part and the positioning plate again; a rotating ring is movably arranged on the boss; a plurality of groups of bulges matched with the inserting blocks are arranged at the top of the rotating ring; a planetary gear meshed with the driving gear is movably arranged in the rotating groove, a sample container is movably mounted between the clamping plates, and a gear ring matched with the planetary gear is