The double-pulse electromagnetic valve comprises a pressure regulating mechanism and a plunger mechanism, the pressure regulating mechanism comprises a valve body, a pressure regulating operation part arranged in the first direction, a pressure regulating component, a piston seat, a valve rod and a reset piece, the valve body comprises an upper valve body and a lower valve body which are detachably connected, a first cavity is formed in the upper valve body, an overflow opening is formed in the upper valve body, and a second cavity is formed in the lower valve body; a valve seat is arranged in the lower valve body, an upper valve port is formed in the piston seat, and a lower valve port is formed in the valve seat; a second cavity, an input port, an output port and an exhaust port are at least formed in the lower valve body; the plunger mechanism comprises a piston rod and a guide sleeve, and a third cavity is formed between the guide sleeve and the piston rod; a gas path communicated with the third cavity is arranged in the pressure regulating mechanism; the drift diameter of the gas path is smaller than that of the input port and the exhaust port; the pressure of the third cavity is not higher than the set pressure value; when the pressure of the output port is larger than the pressure of the input port and larger than the set pressure value, the upper valve port is opened. The parking cylinder spring protection device can effectively protect the parking cylinder spring.
本发明公开了一种双脉冲电磁阀,包括:调压机构和柱塞机构,调压机构包括:阀体、沿着第一方向排布的调压操作部、调压部件、活塞座、阀杆、复位件,阀体包括可拆卸连接的上阀体和下阀体,上阀体内形成有第一腔,上阀体上设置有溢流口,下阀体内设置有阀门座,活塞座上设置有上阀口,阀门座上设置有下阀口;下阀体内至少设置有第二腔以及输入口、输出口和排气口;柱塞机构包括:活塞杆和导套,导套与活塞杆之间设置有第三腔;调压机构内设置有与第三腔相连通的气路;气路的通径小于输入口和排气口的通径;第三腔的压力不高于调定压力值;当输出口压力大于输入口压力且大于调定压力值时,上阀口开启。本申请能对停放缸弹簧起到有效的保护作用。
Double-pulse electromagnetic valve
双脉冲电磁阀
2023-04-04
Patent
Electronic Resource
Chinese
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