Brush hair suction nozzle

According to the bristle suction nozzle, the first air suction channel is formed in the shell, the second air suction channel is formed in the cleaning baffle, the first air suction channel is communicated with the second air suction channel to form a complete air suction section, and by the adoption of the design, when a user operates the pushing assembly to drive the cleaning baffle to push hair away from comb teeth, the hair can be sucked into the cleaning baffle through the first air suction channel and the second air suction channel. The pushed hair can be sucked into the first air suction channel through the second air suction channel by the vacuum suction force generated by the negative pressure source of the pet nursing machine and is guided into the pet nursing machine to be collected, and a user does not need to move to a garbage can to discard the hair; most hair can be immediately sucked by vacuum suction force at the second air suction channel after being separated from the comb teeth, the situat