Magnetized oil-saving emission-reducing device

The utility model discloses a magnetized oil-saving emission-reducing device. The magnetized oil-saving emission-reducing device comprises a shell body provided with an annular oil cavity and a face cover which is connected with the shell body in a detachable mode. An annular permanent magnet is arranged in the center of the annular oil cavity, an oil inlet hole and an oil outlet hole which are communicated with the annular oil cavity are formed in the shell body, a flow choking wall is arranged at the annular oil cavity position between the oil inlet hole and the oil outlet hole, the depth of the annular oil cavity is larger than the thickness of the annular permanent magnet, and the inner diameter of the annular oil cavity is larger than the outer diameter of the annular permanent magnet so that a magnetized channel from the oil inlet hole to the outer periphery of the annular permanent magnet and with two ends extending to the oil outlet hole can be formed. Both the shell body and the face cover are made o