The utility model discloses a
nail polish bottle cap
brush structure which comprises a
bottle cap body, a clamping groove is formed in the top end in the
bottle cap body, a clamping sleeve is sleeved with the clamping groove, one end of the clamping sleeve is connected with a sealing base, a
brush handle rod is connected to the middle of the side, opposite to the clamping sleeve, of the sealing base, a
brush handle sleeve is sleeved with the outer wall of the lower end of the brush
handle rod, and a sliding groove is formed in the brush handle sleeve. The
bottle cap has the advantages that the
bottle cap body, the brush handle rod and the brush handle sleeve are detachably assembled in a three-section mode, the
effective length formed by the brush handle rod and the brush handle sleeve can be conveniently adjusted, the brush handle rod can be conveniently connected with the brush handle sleeve, and the brush handle sleeve can be conveniently connected with the
bottle cap body in a three-section mode. The brush hair main body can conveniently dip the
nail polish at different liquid levels in the
nail polish bottle, when the brush hair main body needs to be replaced, only the brush handle sleeve on the brush handle rod needs to be replaced, the hollow cavity in the sealing seat can be extruded and deformed after the bottle cap main body is screwed on the bottle opening, and the sealing effect of the sealing seat on the bottle opening is improved.