Multi -door linkage locking means

The utility model provides a multi -door linkage locking means has solved toolbox of a lock cooperation of traditional instrument chamber door, and the problem on security ground, the utility model discloses a main shaft, main shaft lock seat, lock ring sum sliding sleeve are fixed with jam plate and couple on this main shaft, the main shaft passes the sliding sleeve and can prolong an orientation to the main shaft and promote to instrument chamber door orientation along axial motion, and the lockhole when couple access door catch on the jam plate and the lockhole coincidence of main shaft lock seat can add external locking mechanism, reach linkage locking purpose, after opening external locking mechanism, the main shaft prolongs opposite direction and toward drawing, throws off the lock ring completely when the couple outward, reaches the purpose that the linkage was opened, this structure simple accurate, simple to operate, a plurality of doors of locking have guaranteed that the security in toolbox makes t