Battery pack elastic lock catch mounting structure

A battery pack elastic lock catch installation structure comprises a shell, a battery pack support, a lock catch and a spring. The shell comprises an upper shell and a lower shell, and the upper shell and the lower shell are detachably connected and jointly define an inner cavity; the lock catch penetrates through the shell, a part of the lock catch extends into the inner cavity, the battery pack support and the spring are arranged in the inner cavity respectively, the top and the bottom of the spring abut against the lock catch and the battery pack support respectively, and the battery pack is characterized in that the lock catch is provided with a pair of guide protrusions extending in the height direction, and the pair of guide protrusions are arranged on the left side face and the right side face of the lock catch respectively; a pair of protruding parts extending downwards is arranged on the inner surface of the top wall of the upper shell, guide grooves matched with the guide protrusions are formed in t