Air filter

• Main Authors: ZHOU HAN, JIANG YIWEN, LUO YING, XIAO YUQIAN
• Format: Patent
• Language: Chinese; English
• Published: 12.11.2014
• Subjects: BLASTING; HEATING; LIGHTING; MECHANICAL ENGINEERING; POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTMACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTPUMPS; WEAPONS

The utility model discloses an air filter, comprising a top cover, a roller and a filter element, wherein the top cover is in the shape of a conical hollow barrel, a first hole and a second hole are respectively arranged at the left and right sides of the top cover, and the first hole and the second hole are communicated with the interior of the top cover; a communicating pipe is extended from the second hole in the top cover; the roller is in the shape of a hollow barrel, and a threaded hole is arranged in the bottom; a through hole is formed below the communicating pipe; a double-screw bolt is protruded from the central position of the top cover, one end of the double-screw bolt is fixed on the upper inner wall of the communicating pipe, and the other end of the double-screw bolt is stretched out from the through hole to lock and fix the position of elements; the filter element is installed on the inner side of the roller, the filter element is composed of a netty filter pipe and sponge wrapping the edge of