Micro-distribution adjusting structure of flow adjusting valve for pump

The utility model discloses a micro-distribution regulating structure of a flow regulating valve for a pump, which comprises a valve body, a valve rod extending into a valve cavity of the valve body, and a packing box sleeved on the circumferential outer side of the valve rod and fixedly arranged relative to the valve body, a fixing ring is fixedly sleeved on the packing box, a regulating ring is sleeved on the valve rod, and the regulating ring is fixedly arranged relative to the valve rod. The adjusting ring is arranged on the fixed ring and located on the outer side of the circumferential direction of the fixed ring, the fixed ring is provided with first-level scales arranged in the axial direction of the fixed ring, the adjusting ring is provided with second-level scales arranged in the circumferential direction of the adjusting ring, the total scalar quantity of the second-level scales is equal to the minimum scalar quantity of the first-level scales, and the axial displacement of the adjusting ring is e