Engine oil pressure alarm structure

The utility model discloses an engine oil pressure alarm structure which comprises a shell used for supporting installation of other components, a pressure sensor and a pressure sensor. The sensing component comprises a floating plate, a plurality of supporting rods, a first contact ring, a second contact ring and a spring, the floating plate is installed in the shell in a sealed and sliding mode, the supporting rods are vertically and fixedly installed on the upper surface of the floating plate, the end faces, away from each other, of the supporting rods are fixedly connected with the inner wall of the first contact ring, and the second contact ring is installed in the shell in a sliding mode; the spring is vertically and fixedly mounted on the upper surface of the floating plate; the sliding component is used for supporting the second contact ring to slide in the shell; and the adjusting part is used for adjusting the pre-pressure of the spring and the distance between the first contact ring and the second