▎ 摘　　要

NOVELTY - The utility model belongs to the technical field of filter cotton main body, specifically claims a graphene peculiar smell filter cotton convenient for mounting and changing, comprising a main box body, a mounting bottom plate, a mounting top plate, a switching plate, a limiting plate, a grid net, a filter screen and a filter cotton main body; the mounting top plate is set right above the mounting bottom plate; the opposite surface of the mounting top plate and the mounting bottom plate is provided with multiple mounting grooves; the limiting plate, grid net, filter screen and filter cotton main body are provided with a mounting frame; the mounting frame is clamped with the mounting groove; two sides of the mounting bottom plate are hinged with a switching plate; the top end of the switching plate is fixed with a limiting block; the mounting top plate is provided with a limiting plate; two sides of the limiting plate is fixed with a T-shaped buckling block; the limiting block is inserted between the T-shaped buckling block; the limiting plate is fixed with a main shaft; the main shaft is fixed with a connecting shaft; two ends of the connecting shaft are fixed with a limiting column; the connecting shaft is sleeved with a sleeve; the outer side wall of the sleeve is provided with an outer screw thread.