Small-flow pure water purification treatment device

The utility model discloses a small-flow pure water purification treatment device which comprises a box body, the inner side wall of the box body is fixedly connected with a fixing plate, a box body is fixedly embedded in the upper surface of the fixing plate, the inner wall of the box body is fixedly connected with a limiting frame, a filter screen is placed on the upper surface of the limiting frame, and the filter screen is fixedly connected with the box body. The inner top wall of the box body is fixedly connected with two sliding rods, and the bottom end of each sliding rod is fixedly connected with the upper surface of a fixing plate. The device is provided with a threaded rod, a threaded cylinder, a rolling bearing, a cover plate, a sealing gasket, a box body, a filter screen and a limiting frame, through cooperation of the threaded rod and the threaded cylinder, the threaded cylinder conveniently rotates in a bearing seat and moves on the surface of the threaded rod, the cover plate is conveniently aw