分析功能降低成本改进唧筒设计●付光甫陶凤和唧筒是在高压和较大摩擦的条件下工作，使用频繁，常出现故障，主要问题有：①重量大，不便于携行和使用，操作人员体力消耗大；②活塞环易折或失效，不密封而漏气漏液；活瓣贴合不良而反漏，导致效率降低；③维护保养不方便，... Analysis capabilities to reduce costs to improve pump design ● Fuguang Tao Feng and pump work under conditions of high pressure and large friction, frequent use, often failure, the main problems are: ① weight, inconvenient to carry and use, the operator Physical exertion; ② piston ring easily folded or invalid, unsealed and leaking liquid leakage; valve fitting bad and leakage, resulting in lower efficiency; ③ maintenance inconvenient, ...