Hydraulic linkage plunger pushing mechanism and plunger diaphragm pump using same

A hydraulic linkage plunger pushing mechanism for a plunger diaphragm pump body with a low-pressure liquid chamber and a plunger, comprising:

• a diaphragm driving and protecting integrator;
• a bearing assembly;
• and
• a crankshaft disposed in the low-pressure liquid chamber in the plunger diaphragm pump body through the bearing assembly, wherein the plunger diaphragm pump body comprises a liquid accumulation plate and the diaphragm driving and protecting integrator is disposed at the liquid accumulation plate of the plunger diaphragm pump body, wherein the crankshaft comprising an eccentric part, and the eccentric part of the crankshaft sleeved with a bearing, wherein in the case where the crankshaft rotates along a crankshaft axis thereof, the bearing disposed at the eccentric part of the crankshaft pushes the plunger to compress, wherein the diaphragm driving and protecting integrator comprises an integrator carrier and an integrator inner core disposed at the integrator carrier, the integrator inner core comprises a core column and an annular body disposed at the core column, the core column is sleeved with a diaphragm driving connecting rod, and the annular body is provided with at least one unidirectional rehydration valve assembly channel and at least one unidirectional pressure relief valve assembly channel.