CONNECTOR WATERPROOF STRUCTURE AND BATTERY PACK EQUIPPED WITH CONNECTOR

The waterproof structure of a connector includes fixed member provided with connector insertion port and a plurality of screw insertion ports, connector including a connector body and flange part, screw receiving member disposed facing a second surface of fixed member and into which fixing screw having passed through flange part and fixed member is screwed, packing member, and O-ring. Screw receiving member includes a plurality of screw fixing parts into which fixing screws are screwed without passing through corresponding screw fixing parts, and coupler that couples the plurality of screw fixing parts. The waterproof structure is formed in which O-ring seals an opening of each of screw insertion ports while fixing screw having inserted through screw insertion hole of flange part and the corresponding one of the screw insertion ports is screwed into corresponding one of screw fixing parts with O-ring interposed therebetween, and packing member is sandwiched between flange part and fixed member to seal an opening of connector insertion port with packing member.