Cylinder control's door opening mechanism

The utility model provides a cylinder control's door opening mechanism, includes both ends articulated hydro -cylinder, one -way linkage pull rod mechanism of being fixed in automobile body and door respectively, and the lock, wherein, the door is equipped with the spout of piston rod hinge on it of fuel feeding jar to but make piston rod vehicle -mounted door open and remove the spout terminationfrom the spout initiating terminal and hold, drive one -way linkage pull rod mechanism and open the lock, the longest stroke of piston rod in the hydro -cylinder sets up as that it terminates holdingfashion to have certain stroke surplus to remove the spout when the piston rod to the free end that makes the piston rod is opened at the door and can continue the extension behind extreme position,stops in the intermediate position of spout, thereby can prevent effectively that hydro -cylinder and drag link mechanism from opening the impact that the in -process received at the door.