Locking mechanism of front engine cover

A locking mechanism of a front engine cover comprises the following structures: a front engine cover opening forwards; a pressure rod attached to the front engine cover; a main latch supported on a vehicle body side in a swing manner, a structure is to keep the pressure rod to form a total closing state of the front engine cover and the structure is to keep a released pressure rod to form a first partial open state of the front engine cover opened from the total closing state; an auxiliary latch supported on the vehicle body side in a swing manner, a structure is to connect the pressure rod when the front engine cover moves upwards from the first partial open state, so a second partial open stat with more opening space compared with the first partial open state of the front engine cover, and a structure is to swing to a first receiving position of a second latch allowing the front engine cover to move upwards; and a third latch, a structure is to connect with different connecting portions of the pressure rod