Sound box shell and sound box structure

The utility model relates to the technical field of sound boxes, in particular to a sound box shell and a sound box structure, which comprise a shell body with an inner cavity, a plurality of supporting blocks arranged at the bottom of the shell body, a plurality of connecting plates arranged at the top of the shell body and a diffusion plate connected with the plurality of connecting plates, and the shell body is provided with a plurality of vent holes communicated with the inner cavity of the shell body. An upper diffusion space is defined by the top of the shell and the diffusion plate, an upper lateral diffusion channel is formed by every two adjacent connecting plates, the upper diffusion space is communicated with the upper lateral diffusion channel, a lower diffusion space is defined by the bottom of the shell and the multiple supporting blocks, a lower lateral diffusion channel is formed by every two adjacent supporting blocks, and the lower lateral diffusion channel is communicated with the upper lat