Anti-loosening combined pendant structure of sound box

The utility model relates to the technical field of sound boxes, in particular to an anti-loosening combined pendant structure of a sound box, which comprises a sound box main body and a mounting tube, the top end of the sound box main body is provided with a fixed cabin, the inner side of the fixed cabin is communicated with a mounting hole, a rotor is arranged in the fixed cabin, the inner side of the rotor is provided with a rotor fixing bolt, and the mounting hole is communicated with the rotor fixing bolt. The rotor is mounted on the loudspeaker box main body through the rotor fixing bolt and the mounting hole; a mounting ring is mounted on the outer side of the mounting pipe, a mounting ring fixing bolt is mounted on the inner side of the mounting ring, the mounting ring fixing bolt penetrates through the rotor, a mounting ring fixing nut is mounted on the other side of the mounting ring fixing bolt, and the mounting ring fixing nut is located on the other side of the rotor; according to the utility mod