Sponge multi-layer surrounding roller

The utility model discloses a roller surrounded by a plurality of layers of sponges, which relates to the technical field of rollers, and comprises a support body, a sponge body, a sleeve body, a rubber layer, an anti-pulling piece and an interface, the support body is arranged on the innermost layer of the whole roller, the whole roller is arranged on a driving roller shaft of a sweeping robot through the support body, the sponge body is wound outside the support body, and the sleeve body is arranged on the sponge body. The sponge body is wound on the roller to form a multi-layer surrounding structure, the sleeve body wraps the outside of the sponge body and serves as a restraining body of the multi-layer surrounding structure of the sponge body, the multi-layer surrounding structure can be prevented from loosening after restraining, the roller and the sponge body are not an integral type in the prior art, and the multi-layer surrounding structure wound on the roller is adopted. According to the sponge body