齒(chi)(chi)(chi)輪(lun)(lun)(lun)泵(beng)(beng)(beng)除具有(you)(you)各種自(zi)吸(xi)(xi)泵(beng)(beng)(beng)的(de)自(zi)吸(xi)(xi)能(neng)力(li)功能(neng)、流量(liang)與(yu)排(pai)(pai)出(chu)壓(ya)力(li)無(wu)關等特點外(wai)，具有(you)(you)結構(gou)簡單、流量(liang)均勻、工(gong)作可靠(kao)等特性(xing)，用來(lai)輸送(song)無(wu)腐蝕性(xing)、無(wu)固體(ti)顆(ke)粒并(bing)且(qie)具有(you)(you)潤(run)滑能(neng)力(li)的(de)各種油(you)(you)類，溫度一般不超過70℃，例如潤(run)滑油(you)(you)、食用植物(wu)油(you)(you)等。齒(chi)(chi)(chi)輪(lun)(lun)(lun)泵(beng)(beng)(beng)工(gong)作時，主動(dong)(dong)輪(lun)(lun)(lun)隨電動(dong)(dong)機一起旋(xuan)轉(zhuan)(zhuan)并(bing)帶動(dong)(dong)從(cong)動(dong)(dong)輪(lun)(lun)(lun)跟(gen)著旋(xuan)轉(zhuan)(zhuan)。當吸(xi)(xi)入(ru)(ru)室(shi)(shi)一側(ce)的(de)嚙(nie)合(he)齒(chi)(chi)(chi)逐漸分開時，吸(xi)(xi)入(ru)(ru)室(shi)(shi)容積增(zeng)大，壓(ya)力(li)降低(di)，便(bian)將吸(xi)(xi)人(ren)管中的(de)液(ye)(ye)體(ti)吸(xi)(xi)入(ru)(ru)泵(beng)(beng)(beng)內；吸(xi)(xi)入(ru)(ru)液(ye)(ye)體(ti)分兩路(lu)在齒(chi)(chi)(chi)槽(cao)內被齒(chi)(chi)(chi)輪(lun)(lun)(lun)推送(song)到排(pai)(pai)出(chu)室(shi)(shi)。液(ye)(ye)體(ti)進(jin)入(ru)(ru)排(pai)(pai)出(chu)室(shi)(shi)后，由于兩個(ge)齒(chi)(chi)(chi)輪(lun)(lun)(lun)的(de)輪(lun)(lun)(lun)齒(chi)(chi)(chi)不斷嚙(nie)合(he)，便(bian)液(ye)(ye)體(ti)受擠壓(ya)而從(cong)排(pai)(pai)出(chu)室(shi)(shi)進(jin)入(ru)(ru)排(pai)(pai)出(chu)管中。主動(dong)(dong)齒(chi)(chi)(chi)輪(lun)(lun)(lun)和從(cong)動(dong)(dong)齒(chi)(chi)(chi)輪(lun)(lun)(lun)不停地旋(xuan)轉(zhuan)(zhuan)，泵(beng)(beng)(beng)就能(neng)連續不斷地吸(xi)(xi)入(ru)(ru)和排(pai)(pai)出(chu)液(ye)(ye)體(ti)。泵(beng)(beng)(beng)體(ti)上裝有(you)(you)安全閥(fa)，當排(pai)(pai)出(chu)壓(ya)力(li)超過規定(ding)壓(ya)力(li)時，輸送(song)液(ye)(ye)體(ti)可以(yi)自(zi)動(dong)(dong)頂開安全閥(fa)，使高壓(ya)液(ye)(ye)體(ti)返回吸(xi)(xi)入(ru)(ru)管。