齒輪泵的工作原理及結構
外嚙合齒輪泵是應用廣泛的一種齒輪油泵，一般齒輪泵通常指的就是外嚙合齒輪泵。它的結構主要有主動齒輪、從動齒輪、泵體、泵蓋和閥等組成。
泵體、泵蓋和齒輪構成的密封空間就是齒輪泵的工作室。兩個齒輪的輪軸分別裝在兩泵蓋上的軸承孔內，主動齒輪軸伸出泵體，由電動機帶動旋轉。
外嚙合齒輪泵結構簡單、重量輕、造價低、工作、應用范圍廣。
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