Firmly-plugged charging pile

The invention belongs to the technical field of charging piles, and particularly discloses a firmly-plugged charging pile which comprises a charging pile body, a charging module is fixedly arranged at the front end of the charging pile body, cavities are formed in the two ends of the interior of the charging module, a square groove is formed in the end face of the charging module, and a pipe groove is formed under the square groove. A charging head is fixedly arranged at one end of the cavity, a connecting pipe is fixedly arranged at the other end of the charging head, a square block is fixedly arranged at the other end of the connecting pipe, an inserting head is fixedly arranged at the other end of the square block, and an inserting opening corresponding to the inserting head is formed in the inner wall of the cavity. The connecting plug and the square block can move in the cavity, the charging head can be effectively protected, the connecting plug and the connecting port are safer and firmer during pluggin