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Spraying assembly

Grant US12576219B2 Kind: B2 Mar 17, 2026

Assignee

WUXI NEST BIOTECHNOLOGY CO., LTD

Inventors

Weidong Yang, Feng Chen, Xiaojian Zhu

Abstract

A spraying assembly, including an atomizer, a sprayer and a rubber plug, and an atomizer inner cavity and an atomizer channel located below the atomizer inner cavity are provided in the atomizer, an atomizer end (130) is included 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, and the bottom end of the atomizer inner cavity is provided with at least one notch; the sprayer includes a nozzle.

CPC Classifications

A61M 11/007 A61M 2202/0468 A61M 2205/02 A61M 2207/00 A61M 15/08 B05B 11/0035 B05B 11/007 B05B 11/02 B05B 1/3436

Filing Date

2022-05-30

Application No.

17804564

Claims

12