Water injection well choke for motor

The utility model discloses a water injection well choke for motor, including going out water section and threaded connection section, the corner that goes out water section and threaded connection section is through the connection of switching portion, the appearance of switching portion is the square structure, the play water end (W. E. ) mouth that goes out the water section is provided with mouthful arch of turning over, be equipped with a scrobicular ring between threaded connection section and the corner square. The utility model discloses a square structure is provided with in the corner, and then the increase lifting surface area, provide convenience not fragile water injection well choke at a dress in -process. The water injection well choke goes out the water end (W. E. ) mouth and makes mouthful protruding shape of turning over, and its purpose strengthens life, have a scrobicular ring between cover the threaded portion and the corner square, the overstocked non -deformableof atress is convenient f