Injection pump with adjustable capacity

The utility model provides an injection pump with adjustable capacity, belongs to injection pump technical field. The injection pump with adjustable capacity that it provided a simple structure, easily operated. The plunger bushing suit is in the plunger upper end, the gyro wheel body and the corresponding setting of plunger lower extreme, the cam passes through camshaft installation on the pump body, the cam setting gyro wheel body below and with the gyro wheel body coupling, on hold pan hexia and hold and be equipped with spring no. 1 between the dish and hold set, hold down dish and a spring equal suit on, on the plunger, delivery valve seat and plunger bushing upper end counterbalance, it has a pipe connector to be equipped with two, delivery valve seat on spring upper end intercommunication in the delivery valve seat, injection pump with adjustable capacity still includes capacity adjustment mechanism, capacity adjustment mechanism sets up in the pump body, and capacity adjustmentmechanism installs on th