Ths paper has studied the linkage of the adustable combinatory diaphragm pump with 3 - dimensional finite elements,and gained the distribution of displacement and stress.

• 本文对组合可调式隔膜泵的连杆零件进行了三维有限元分析,得出连杆的应力分布及变形,为连杆的设计计算提供依据。