Sample preservation device for environment detection

The utility model discloses a sample preservation device for environmental detection, which comprises a carrying box, a device sealing cover is arranged on the carrying box in a vertically movable manner, telescopic locking mechanisms are arranged on two sides of the device sealing cover, each telescopic locking mechanism comprises a pushing plate, a locking column and a spring, the locking column is T-shaped, the tail end of the locking column is rotatably mounted with the pushing plate, and the spring is arranged on the pushing plate. The locking column is sleeved with the spring. Two locking holes are formed in each of the two sides of the carrying box, the sizes and specifications of the locking holes are matched with those of the locking columns, box openings are formed in the two sides of the carrying box, a partition plate is arranged in the middle of each box opening, a plurality of sample bottle insertion openings are obliquely formed in each partition plate, and a sponge rod is arranged in each samp