Filter element of water purification equipment

The utility model discloses a filter element of water purification equipment, which belongs to the technical field of filter elements of water purification equipment and comprises a filter cartridge body, the filter cartridge body is sleeved on the peripheral side of a hollow cylinder, a first end cover and a second end cover are respectively clamped at two ends of the filter cartridge body, and clamping columns are rotatably arranged on opposite side surfaces of the first end cover and the second end cover. The two clamping columns are respectively matched in inner cavities at two ends of the hollow column body, so that the filter cartridge body and the hollow column body can rotate between the first end cover and the second end cover, the first end cover is connected with an extension rod through a first connecting rod, and the second end cover is connected with a fixed sleeve rod through a second connecting rod; the end, inserted into the fixing sleeve rod, of the extension rod is sleeved with a compressio