Water sample filtering device for environmental monitoring

The utility model discloses a water sample filtering device for environmental monitoring, which comprises a cylindrical framework, the top of the cylindrical framework is fixedly connected with a water inlet component, a filtering component is mounted on the cylindrical framework, one side of the cylindrical framework is in threaded connection with a sealing component extending into the filtering component, and the other side of the cylindrical framework is in threaded connection with the sealing component. The filter assembly comprises a filter cartridge structure, partition plates which are annularly and uniformly arranged are fixedly mounted on the outer surface of the filter cartridge structure, a blocking plate is fixedly mounted on the side, away from the sealing assembly, of the filter cartridge structure, and a driving motor with the output end in transmission connection with the blocking plate is mounted on the other side of the cartridge structure; a through groove is formed in the back face of the