Device for transferring micro-plastic sample

The utility model discloses a device for transferring a micro plastic sample, which comprises a hollow body, a partition plate fixed in the body, a first through hole arranged in the center of the partition plate, a support pillar movably inserted in the first through hole, a side wing fixed on the side wall of the support pillar, a first spring arranged between the side wing and the partition plate, and a second through hole arranged on the side wall of the body, the side wall of the top column is connected with a limiting pin through a second spring, an air bag is installed on the outer side wall of the body, a flow guide column is fixed to the bottom of the top column, an annular first flow guide groove is formed in the top of the flow guide column, a plurality of vertical second flow guide grooves are formed in the side wall of the flow guide column and communicate with the first flow guide groove, and a sliding groove is formed in the bottom of the body. A conical end cap is slidably connected into the s