Sand splashing prevention device for self-cleaning filter

The utility model discloses a sand splashing prevention device for a self-cleaning filter. The device comprises an outer cover, wherein an impact sleeve is arranged in the outer cover, and a sand blasting hose is arranged at the bottom of the impact sleeve; a supporting rod is arranged above the impact sleeve, a ring is arranged in the middle of the supporting rod, and the axial direction of the ring is the vertical direction; the impact sleeve is connected with the outer cover through a compression screw; the ring and the supporting rod are fixedly connected in a welding manner. According to the sand splashing prevention device for the self-cleaning filter, the ring structure is arranged on the supporting rod to effectively prevent sands from splashing, and the sands are upward splashed from the gap between the impact sleeve and the outer cover after the sands are blasted from the sand blasting hose, are contacted with the ring to change the direction, and fall downwards, so that the sands are prevented from