Spraying assembly

A spraying assembly, comprising an atomizer, a sprayer and a rubber plug, wherein

• an atomizer inner cavity and an atomizer channel located below the atomizer inner cavity are provided in the atomizer, an atomizer end is comprised in a lower part of the atomizer, and a side wall of the atomizer end is provided with at least one opening;
• the rubber plug is located at a bottom end of the atomizer inner cavity, an upper end of the rubber plug is provided with an umbrella-shaped boss, an annular cavity is formed between a lower end of the rubber plug and an inner wall of the atomizer, the rubber plug is provided with at least one longitudinal notch along a circumferential direction to connect the annular cavity and a space above the rubber plug, and the bottom end of the atomizer inner cavity is provided with at least one notch to connect the atomizer channel and the annular cavity;
• the sprayer comprises a nozzle, the atomizer end of the atomizer extends into a nozzle inner cavity of the nozzle, the at least one opening on the atomizer end connects the atomizer channel of the atomizer to the nozzle inner cavity, a bottom of the nozzle is provided with an umbrella-shaped inner cavity, and an outlet hole is arranged in center of a head of the umbrella-shaped inner cavity.