Filtering mechanism and filtering device

The utility model provides a filtering mechanism and a filtering device, the filtering mechanism comprises a bearing seat, a plurality of first filtering grooves and a plurality of second filtering grooves which respectively penetrate through the bearing seat along a first direction are formed in the bearing seat, the first filtering grooves are arranged at intervals along a second direction, and the second filtering grooves are arranged at intervals along a third direction; the plurality of second filter tanks are arranged at intervals along the second direction and are in one-to-one correspondence with the plurality of first filter tanks in the third direction; the multiple first filtering pieces are rotationally connected to one end of the bearing base, correspond to the multiple first filtering grooves in a one-to-one mode and are matched with the multiple first filtering grooves, and the multiple first filtering pieces are used for sealing and covering the multiple first filtering grooves; the second fil