Variable-section nozzle ring

The utility model discloses a variable-section nozzle ring. The utility model belongs to the field of nozzle ring manufacturing, the utility model discloses a variable-section nozzle ring which can reduce friction between blades and a fixed ring. According to the technical scheme, the variable-section nozzle ring is characterized by comprising a movable ring, a fixed ring and a rocker arm, the movable ring is connected with the rocker arm, the end, opposite to the movable ring, of the rocker arm is connected with a rotating shaft, the rocker arm is connected with blades of the variable-sectionnozzle ring through the rotating shaft, the blades make contact with the fixed ring, and grooves are formed in the ends, making contact with the fixed ring, the variable-section nozzle ring is suitable for an automobile engine and has the advantages of reducing friction between the blades and the fixed ring, improving the rotating speed of the blades and accordingly improving the gas flow speed. 本实用新型公开了一种可变截面喷嘴环，属于喷嘴环制作