Inner tub for clothes treating apparatus and clothes treating apparatus

An inner tub for a clothes treating apparatus, the inner tub comprising:

• a tub comprising a bottom and a body, the body having a drainage region;
• and
• a lifting rib disposed on an inner side of the body and covering the drainage region,
• wherein a plurality of drainage holes are defined in a part of the body covered with the lifting rib, the plurality of drainage holes being in a normally open state to communicate an inner side of the tub with an outer side of the tub, and wherein a remaining part of the body other than the part of the body covered with the lifting rib has a closed structure;
• wherein
• an inner peripheral wall of the body has a rubbing region, the rubbing region being a non-porous region, the rubbing region and the drainage region being arranged in a circumferential direction of the body, and the rubbing region having a plurality of rubbing protrusions arranged at intervals in the circumferential direction of the body;
• a plurality of flow guide channels are each defined between two adjacent rubbing protrusions of the plurality of rubbing protrusions, an end of each of at least some of the plurality of flow guide channels directly facing the respective drainage region;
• a plurality of fluid flowing-through openings are defined in a lower part of at least one side wall of the lifting rib, a fluid flow channel being defined by the plurality of fluid flowing-through openings together with the body;
• and
• at least one of the plurality of fluid flowing-through openings is located at a position corresponding to at least one of the plurality of drainage holes;
• the plurality of drainage holes comprises a plurality of rows of drainage holes, for at least two adjacent rows of the plurality of rows of drainage holes, the plurality of drainage holes of a first row of drainage holes are staggered with the respective plurality of drainage holes of a second row of drainage holes in an axial direction of the body,
• wherein an inner wall surface of the body has a plurality of recesses recessed towards an outside of the tub, the plurality of drainage holes being defined in bottom walls of the plurality of recesses.