To improve the response speed of on-off solenoid valve of big flux,detailed analysis on poppet valve is given and an on-off solenoid valve with movement of both spool and cover is designed.

• 通过对锥阀特性的分析,设计了一种阀芯、阀套同时运动的芯套双动高速开关阀,该阀增大了高速开关阀的开口度,提高了响应速度和流量。