Micro-flow encoder application device for testing oil injector

The utility model discloses an application device for testing a micro flow encoder of an oil injector, which relates to the technical field of oil injector testing and comprises a device body, a display screen is arranged on the front side of the device body, a movable frame is arranged on the outer side of the display screen, and a sliding rail is arranged on the inner side of the movable frame. And a cleaning rotary drum is arranged in the middle of the sliding rail. The motor I, the sliding rail and the cleaning drum are matched together, the motor I drives the two-way sliding groove rotating shaft to rotate, the sliding block drives the connecting plate to move, and after the connecting plate moves to the edge of the sliding groove in the outer wall of the two-way sliding groove rotating shaft, the sliding block is driven to rotate and change the direction, so that the connecting block is driven to do continuous reciprocating motion; the connecting plate drives the rotating shaft to move, the pulley rolls