Rotary oil filter with protection structure

The utility model belongs to the field of oil filters, and particularly relates to a rotary oil filter with a protection structure, which comprises a shell, a filter element component, a fixing component and a buffer component. The end part of the shell is fixedly connected with a threaded cover plate; the filter element assembly is arranged in the shell; a through hole is formed in the threaded cover plate; a fixing plate is mounted on one side, far away from the filter element assembly, of the threaded cover plate; an outer sealing piece is installed on the side, away from the threaded cover plate, of the fixing plate. According to the engine oil filter, the fixing shell, the annular rubber sleeve, the elastic strip, the connecting plate, the fastener, the damping cylinder, the damping rod, the buffer rod, the base, the first spring and the second spring are arranged and matched with one another, so that the bottom of the engine oil filter can be protected, impact force borne by the bottom during collision