Lock assembly, box body and energy storage device

The utility model discloses a lock assembly, a box and an energy storage device, the lock assembly comprises a plurality of lock tongues arranged at intervals and a lock rod unit, the lock tongues are suitable for rotating along a pivot center so as to be switched between a locking position and an unlocking position, the number of lock rods of the lock rod unit is at least one, and the lock rod unit comprises a first lock rod and a second lock rod, the ends of the first lock rods and the ends of the second lock rods are both connected with the lock tongues in a pivoted mode, and every two adjacent first lock rods are connected through the corresponding lock tongue. Or every two adjacent second lock rods are connected through a spring bolt; or the adjacent first lock rod and second lock rod are connected through a lock tongue, so that the lock tongues and the lock rods can move synchronously, and the lengths of the first lock rod and the second lock rod are different so as to adapt to door bodies with differen