工作原理 A：計量活塞動作行程 B ：傘形雙向閥動作行程見上圖，從潤滑泵壓送的油從主管A注入，并將傘形雙向閥B向推開流入，通過通路C壓送活塞室到F內。受壓力油作用下計量活塞向下動作彈簧G被壓縮蓄油，從而進行計量蓄油，當主管A內油壓被釋放〈即卸壓〉，傘形閥B因壓力差而動作，同時開啟吐出口E，于是活室內計量蓄油通過吐出口E送入油管H而將油輸送到潤滑點， 信號銷I當計量蓄油時突出．而供油給潤滑點時縮回，從而確認分配動作完成情況。
A: metering piston action schedule B: the action trip of the umbrella type two-way valve is shown in the figure above. The oil from the lubrication pump is injected from the director A, and the umbrella-type two-way valve B is pushed open. Push the piston chamber to F through the channel C.The piston moves downward under the action of pressure oil.The spring G is compressed.Thus the measurement of oil storage.When the oil pressure is released in charge of A(the discharge pressure). The umbrella valve B moves with pressure difference. At the same time, it opens the outlet E, so the living room measures the oil storage.The oil is transported to the lubrication point by outlet E to the pipe H, and the signal pin I is prominent when measuring the oil storage. When the oil is supplied to the lubrication point, it is retracted to confirm the completion of the distribution.
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