Oil water separator for air compressor

The utility model discloses an oil water separator for an air compressor. The oil water separator comprises a casing, a flow guide cover and a filter element, wherein an air inlet connected with the air compressor is formed in one side of the casing; an air outlet is formed in the top of the casing; the bottom of the casing is inverted cone-shaped, and a water outlet is formed in the bottom of the casing; an automatic water-drainage device is arranged at the water outlet; the flow guide cover is vertically mounted inside the casing; the flow guide cover is provided with an outer wall and an inner cavity; the bottom of the outer wall extends outwards, so that the outer wall is horn-shaped; the position, corresponding to the air outlet, of the filter element is vertically arranged inside the inner cavity; the filter element is communicated with the air outlet. The oil water separator has the following advantages: 1, the structure is simple, the design is ingenious, the cost is relatively low, and the use is convenient; 2, the automatic water-drainage device is arranged at the water outlet, so that oil and water which are separated out can be discharged timely; 3, the corrosion of impurities to the equipment is reduced, and the service life of the equipment is prolonged.