Easy-to-disassemble precision filter

The utility model discloses an easy-to-disassemble precision filter. Relating to the field of precision filters, including a housing, a top cover is arranged above the shell, a filter element is arranged in the shell, and a liquid inlet pipe and a liquid outlet pipe are arranged on the two sides respectively; an edge is arranged on the periphery of the top of the shell. A plurality of edge gaps are formed in the periphery of the edge by taking the middle shaft of the shell as a symmetric center; a connecting plate is arranged on each of two sides of the edge notch on the lower surface of the edge; a rotating shaft hinged to the connecting plates is arranged between the two connecting plates, a screw is fixedly connected to the middle of the rotating shaft, a lifting ring nut is connected to the screw in a screwed mode, an annular top cover groove and an annular edge groove are formed in the corresponding positions of the top cover and the edge respectively, and a sealing ring is connected between the top cove