减压式倒流防止器

A type of reduced-pressure principle backflow prevention assembly

介绍了一种减压式倒流防止器的结构,该装置的减压部位进行了改良设计,用活塞代替隔膜,解决了隔膜难加工而导致的产品寿命不长的问题,消除了隔膜的反作用力,提高了产品的一次装配合格率。

This paper specifies the structure of a type of reduced-pressure principle backflow prevention assembly and this type of reduced-pressure principle backflow prevention assembly has better performance.Compared to the existing backflow prevention assembly,this new structure gives good cycle life and eliminates the counterforce of diaphragm through using the piston instead of diaphragm.