Pump shaft sealing element capable of increasing overall balance

The utility model discloses a pump shaft sealing element for increasing overall balance, which is installed on a pump shaft, and comprises a moving ring seat, a static ring seat, a sealing seat, an elastic piece and a sealing ring, the static ring seat is arranged on the pump shaft, the moving ring seat is connected with the static ring seat in a matching way, a groove is arranged on the inner circumference of the moving ring seat, the elastic piece acts on the sealing seat, and the sealing ring is arranged in the groove. Grooves are formed in the static ring seat, the sealing rings are pressed in the grooves, the elastic pieces are springs, a plurality of spring grooves are formed in the static ring seat, the number of the elastic pieces is equal to that of the spring grooves, the elastic pieces are arranged in the corresponding spring grooves, and the outer ends of the elastic pieces abut against the sealing seat. The whole length of the pump shaft sealing element is reduced, and a large spring is changed i