Connecting structure, battery pack and electric equipment

The utility model discloses a connecting structure, a battery pack and electric equipment, the connecting structure comprises a first metal plate, a second metal plate and a connecting nail, the connecting nail is provided with a nail cap, a penetrating rod and at least one pair of limiting legs, the penetrating rod is connected with the nail cap and the limiting legs, the penetrating rod penetrates through the first metal plate and the second metal plate, and the penetrating rod penetrates through the first metal plate and the second metal plate. The limiting legs are located on the side, away from the first metal plate, of the second metal plate, the paired limiting legs extend in the direction away from each other, and the nail cap is located on the side, away from the second metal plate, of the first metal plate. According to the embodiment of the invention, equipotential connection between the first metal plate and the second metal plate can be realized through the connecting nails, and the connection re