The present invention relates to a rapid explosion-proof charging gun. The charging gun comprises a plug component and a socket component. The socket component comprises a self-locking structure. Theself-locking structure comprises an installing plate, a pulling rod, a pulling ring arranged at the rear of the pulling rod, a stopping block arranged at the front part of the pulling rod, and a spring sleeving the pulling rod. The inner part of the installing plate is a groove, the groove is provided with a through hole, the pulling rod penetrates the through hole, and the pulling rod can slide forward and backward relative to the through hole. The stopping block can slide forward and backward relative to the groove of the installing plate. One end of the spring contacts with the groove of the installing plate, and the other end of the spring contacts with the stopping block. The plug component comprises a guiding groove, the guiding groove is arc-shaped, and one end of the guiding grooveis provided with clamping slot. The pulling rod can slide along the guiding groove, and when the front end of the pulling rod is inserted in the clamping slot, the plug component and the socket component are locked. According to the charging gun, by using the structure, the installation and the dismantling are convenient, and the connection efficiency is improved.