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Title:
MINIATURE PERFUME PUMP STRUCTURE WITH EXTERNAL SPRING
Document Type and Number:
WIPO Patent Application WO/2021/073040
Kind Code:
A1
Abstract:
Disclosed is a miniature perfume pump structure with an external spring. The miniature perfume pump structure with an external spring comprises a pump body (1) extending into a bottle body (10), a pump chamber (2) is arranged on the pump body (1), a pumping assembly (3) is arranged in the pump chamber (2), a locking cover (4) is connected to the pump body (1) and located at the upper end of the pump chamber (2), a one-way valve (5) is arranged at the lower end of the pump chamber (2), a button (6) is connected to the upper end of the pumping assembly (3), a bayonet cover (7) is arranged between the pump body (1) and the bottle body (10), the pumping assembly (3) comprises an upper pump rod (31), a spring (32) is arranged between the button (6) and the locking cover (4), the lower end of the upper pump rod (31) is connected to a lower pump rod (33), the upper end of the lower pump rod (33) extends into a pumping channel (311) and is fixedly connected to the upper pump rod (31), a liquid flowing channel (301) is provided between the outer side of the lower pump rod (33) and the inner wall of the upper pump rod (31), and a suction plug (34) is sleeved outside the upper pump rod (31). The pump is simple in terms of structure, and uses a structure in which the spring (32) is externally arranged, such that the spring (32) is prevented from making direct contact with a liquid in the pump chamber (2) and causing contamination of the liquid. The air pump has the advantages of a high speed, a stable spraying amount, and a good spraying effect.

Inventors:
LIANG PEIHUI (CN)
ZHU MAOYONG (CN)
ZHANG YONGLEI (CN)
LIANG JINKAO (CN)
Application Number:
PCT/CN2020/080653
Publication Date:
April 22, 2021
Filing Date:
March 23, 2020
Export Citation:
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Assignee:
MAJESTY PACKAGING SYSTEMS LTD (CN)
International Classes:
A45D34/00; A45D34/02; B65D47/34
Foreign References:
CN208979437U2019-06-14
CN109051295A2018-12-21
CN110664090A2020-01-10
CN201472855U2010-05-19
CN209009216U2019-06-21
CN103623961A2014-03-12
CN104760772A2015-07-08
CN105148364A2015-12-16
CN105292727A2016-02-03
CN105413912A2016-03-23
CN109760940A2019-05-17
CN109896144A2019-06-18
CN205931762U2017-02-08
US20130043283A12013-02-21
KR20180111365A2018-10-11
Attorney, Agent or Firm:
ZHONGSHAN KECHUANG PATENT AGENT CO., LTD (CN)
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