Fuente: WIPO "olive oil" The olive oil filtering device comprises a liquid storage bin, a lead screw, bases and a shell, the bases are arranged in the shell, the lead screw is arranged between the bases, the two ends of the lead screw are fixedly connected with the bases through bearings, a supporting cover is fixed to the side portion of each base, and the supporting covers are fixedly connected with the bases through bearings. A motor is installed on the inner wall of the supporting cover through bolts, the output end of the motor is fixedly connected with the driving end of a lead screw, an insection ring is arranged on the lead screw in an insection fit mode, an annular brush is arranged outside the insection ring, and the outer wall of the insection ring is fixedly connected with the inner wall of the annular brush through a bearing. A sliding rod corresponding to the lead screw is fixed between the bases, a guide ring is connected to the sliding rod in a sliding mode, and the side portion of the guide ring is fixedly connected with the side portion of the annular brush. According to the utility model, the filter holes are easily prevented from being blocked, the upper and lower filter layers can be automatically brushed, and the cleaning is convenient.