Oil supply device for adjusting oil supply quantity of oil injection pump

The utility model relates to an oil supply device for adjusting the oil supply amount of an oil injection pump in the technical field of oil injection pumps, which comprises a device body, the device body comprises a valve seat, an oil outlet valve spring is arranged in the valve seat in a matched mode, an oil outlet is formed in one end of the valve seat in a matched mode, and a valve body is arranged outside the valve seat. The interior of the valve body is hollow, an oil supply plunger corresponding to the oil outlet valve spring is arranged in advance, an oil outlet valve assembly is arranged at the upper end of the oil supply plunger in a matched mode, the oil supply plunger is sleeved with a plunger spring, an oil pipe connector and an adjusting seat body are arranged on one side of the valve body corresponding to the oil supply plunger in advance, and a jacking body and an adjusting mechanism are further arranged at one end of the device body in a matched mode. An adjusting oil duct is preset at one en