Car is locked with two grades of seats

The utility model relates to a car is locked with two grades of seats, including the lock body to and respectively with the mode of pivot install in the lock body inside and mutually support with thecardboard of realizing locking / unblock with open arm, characterized in that be equipped with respectively on the cardboard and be used for cooperating the lockpin in order to realize two grades of first be locked draw -in groove and seconds that are locked draw -in groove that is locked, the tank bottom of the first draw -in groove that is locked is equipped with the straight line district section for lockpin whereabouts position. The utility model provides the high maneuverability and the stability of locking, effectual shift the automobile body construction bolt with lockpin external -openeffort from the lock body on, this application provides removable buffer block, installs the buffer block on base plate or apron, can play the same buffering noise cancelling effect to exchange buffering piece that can be low