Improved three-stage filter

• Main Authors: ZHANG HAITAO, GUO XIAOGUANG, LI DONGYE
• Format: Patent
• Language: Chinese; English
• Published: 13.12.2022
• Subjects: PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; SEPARATION; TRANSPORTING

The utility model discloses an improved three-stage filter which comprises a filter body, one side of the outer wall of the filter body is fixedly connected with the inner wall of a vertical block, one end of the vertical block is fixedly connected with a rubber sleeve, a straight pipe is inserted into a water inlet of the filter body, one end of the straight pipe is tightly attached to one end of the rubber sleeve, and the other end of the straight pipe is fixedly connected with the vertical block. A filter element is inserted into one side of the bottom of the filter, a fastening structure is arranged on one side of the vertical block, a limiting structure is arranged on one side of the filter element, and the fastening structure comprises a lead screw, a straight rod, a sleeve, a vertical rod and a groove plate. Through cooperation of a filter, a filter bottle, a circular toothed plate, a straight pipe, a rubber sleeve, a vertical block, a filter element and a fastening structure, a lead screw is rotated a