Detergent distributor, detergent distribution assembly and cleaning machine

The utility model discloses a detergent distributor which comprises a shell, the shell is provided with a discharging channel extending transversely, a discharging opening is formed in the front end of the discharging channel, a containing cavity used for containing washing blocks stacked up and down is formed in the front end of the discharging channel, and the containing cavity and the discharging channel intersect and are communicated; the pushing piece can be transversely arranged in the discharging channel in a sliding mode and is used for pushing the washing blocks entering the discharging channel from the containing cavity from back to front until the washing blocks are pushed out of the discharging opening; the containing cavity is communicated with the middle position of the discharging channel, so that at least the head of the pushing piece is contained in the rear area of the discharging channel before the pushing piece pushes the washing block. The washing block is pushed forwards through the head