Principle and structural characteristics of gear pump

The gear pump is equipped with a pair of rotating gears in the pump body, one active and one passive, which rely on the mutual meshing of the two gears to divide the entire working chamber inside the pump into two independent parts. A is the suction chamber, and B is the discharge chamber. When the pump is running, the active gear drives the passive gear to rotate. When the teeth disengage from the meshing, a local vacuum is formed on the suction side A, and the liquid is sucked in. The liquid sucked in fills the various tooth valleys of the gear and is carried to the discharge side B. When the gear enters meshing, the liquid is squeezed out, forming high-pressure liquid and discharged outside the pump through the discharge port of the pump.