Floor brush assembly for vacuum cleaner and vacuum cleaner

A floor brush assembly for a vacuum cleaner, the floor brush assembly comprising:

• a roller brush component, the roller brush component comprising a sleeve and a roller brush body rotatably mounted in the sleeve, the roller brush body being provided with bristles arranged in an elongated shape to form a bristle portion, the sleeve having an avoidance opening of an elongated shape, and the bristle portion and the avoidance opening being arranged to directly face towards each other in a radial direction of the roller brush body;
• and
• a driving mechanism, the driving mechanism comprising a first driving member and a second driving member, the first driving member being configured to drive the roller brush body to rotate, the second driving member being configured to drive the sleeve to rotate, and the first driving member and the second driving member being eccentrically arranged to allow the bristle portion to be selectively extended or retracted through the avoidance opening,
• wherein the driving mechanism further comprises a power source, a driving wheel connected to the power source, a transmission shaft, and a linkage structure, the driving wheel being connected to the first driving member through the transmission shaft and connected to the second driving member through the linkage structure.