Shell, cleaning brush mechanism and cleaning equipment

The invention discloses a shell, a cleaning brush mechanism and cleaning equipment. The shell comprises a body and a dust collection channel, the body is provided with a rolling brush cavity and an air duct cavity which are separated from each other, the body is provided with a first suction port and a second suction port, the first suction port is communicated with the outlet end of the rolling brush cavity, and the second suction port is communicated with the inlet end of the air duct cavity; the dust collection channel is connected with the body and communicates with the first suction port and the outlet end of the air duct cavity; the second suction port is located in front of the opening in the advancing direction of the shell. According to the cleaning brush mechanism formed by matching the shell with the rolling brush, through the arrangement of the air duct cavity separated from the rolling brush cavity and the second suction port, when the cleaning brush mechanism carries out cleaning operation, sund