Tsarin lokaci wani muhimmin sashi ne na jirgin bawul ɗin injin kuma ɗayan mahimman abubuwan da ke tabbatar da sauƙin numfashin injin.

Ayyukan sprocket na lokaci yayi daidai da bel na lokaci. Yana da muhimmin sashi na tsarin rarraba iskar gas na injin. An haɗa shi da crankshaft kuma yana aiki tare da wani nau'in watsawa don tabbatar da daidaiton lokacin ci da shayewa.

Matsayin sprocket na lokaci shine cewa lokacin da injin ke gudana, bugun piston (motsi sama da ƙasa) buɗewar bawul da rufewa (lokaci) jerin kunna wuta (lokaci), ƙarƙashin haɗin "lokaci", koyaushe kiyaye "daidaitacce" " Gudu

Yayin aikin injin mota, matakai guda huɗu na ci, matsawa, fashewa, da shaye-shaye suna ci gaba da faruwa a cikin silinda, kuma lokacin kowane mataki dole ne ya dace da yanayin motsi da matsayi na piston, ta yadda za a ci. da shaye-shaye daga Piston suna hade da juna, da kuma lokaci sprockets taka rawa a matsayin "gada" a cikin engine, watsa ikon zuwa daidai sassa karkashin drive na crankshaft.