Battery pack quick-changing device of electric power-assisted bicycle

The utility model relates to the technical field of batteries, in particular to a quick-change battery pack device of an electric power-assisted bicycle, which comprises a battery compartment and a battery pack, a control module is arranged at the top of the battery compartment, a first slide rail and a second slide rail are respectively arranged on two sides of the inner wall of the battery compartment, and electrode plates are arranged on two sides of the bottom of the inner wall of the battery compartment. A clamping groove is formed in the top of the battery pack, a second sliding groove and a first sliding groove are formed in the two sides of the battery pack respectively, an electrode tip is arranged at the bottom of the back face of the battery bin, and a handle is arranged in the middle of the front face of the battery pack. By arranging the control button, the lever rotating shaft connecting the control button and the buckle, the spring and other mechanisms, when the battery pack is installed, the i