Back of body door doublestage lock assembly is run from opposite directions to car

The utility model discloses a back of body door doublestage lock assembly is run from opposite directions to car, install on the two sets of on left hand door and right side door top the lock body including the symmetry and install lock body under the two sets of of left hand door and right side student end with the symmetry, go up the lock body by four sets of bolt assembly and left hand door or right side door upper end fixed connection, form a complete set the hasp installed with last lock body and pass through fix with rivet and install the afterbody at automobile compartment, through will going up lock body and the lower equal fixed mounting of lock body on left side door and right side door, will install on the carriage in the supporting hasp of last lock body with the supporting lockpin of lock body down, change the assembly with the handle is installed on left side door and right side door with power simultaneously, it is easy to assemble, will on the skirtboard, change the mounting means behind the carriage with the supporting lockpin fixed mounting of lock body down simultaneously, improvement tensile strength, a locking performance that the improvement was carried on the back.