Title:
PERFUME PUMP WITH TWO EXTERNALLY DISPOSED SPRINGS
Document Type and Number:
WIPO Patent Application WO/2021/164094
Kind Code:
A1
Abstract:
Disclosed is a perfume pump with two externally disposed springs, comprising a pump body, wherein the pump body is provided with a pump chamber, and a suction assembly is provided in the pump chamber; the pump body is connected to a locking cover, and the locking cover is connected to an aluminum oxide bayonet; the lower end of the pump chamber is provided with a one-way valve; the upper end of the suction assembly is connected to a pressing part; and the suction assembly comprises an upper pump rod, the upper pump rod is connected to a lower pump rod, a main spring is provided between the upper pump rod and the locking cover, the lower pump rod is provided with a liquid inlet, the outer side of the lower pump rod is provided with a suction plug, an auxiliary spring is provided between the upper pump rod and the suction plug, and when the suction assembly moves downwards, a liquid inlet channel is formed between the lower pump rod and the suction plug. The present invention has a simple structure, and uses a structure with externally disposed springs, in which the main spring is provided between the upper pump rod and the locking cover, and the auxiliary spring is further provided between the upper pump rod and the suction plug, resulting in a high pump lift speed and a stable spraying amount. In addition, the lower pump rod passes through the locking cover and is connected to the upper pump rod, and the lower pump rod is provided with the liquid inlet which can be in communication with a suction channel, resulting in convenient assembly and a good suction effect.
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Inventors:
LIANG PEIHUI (CN)
ZHU MAOYONG (CN)
ZHANG YONGLEI (CN)
LIANG JINKAO (CN)
ZHU MAOYONG (CN)
ZHANG YONGLEI (CN)
LIANG JINKAO (CN)
Application Number:
PCT/CN2020/080657
Publication Date:
August 26, 2021
Filing Date:
March 23, 2020
Export Citation:
Assignee:
MAJESTY PACKAGING SYSTEMS LTD (CN)
International Classes:
A45D34/00; A45D34/02; B65D47/34
Foreign References:
| CN104058163A | 2014-09-24 | |||
| CN110664089A | 2020-01-10 | |||
| CN205150598U | 2016-04-13 | |||
| CN207985642U | 2018-10-19 | |||
| CN209601169U | 2019-11-08 | |||
| CN109649821A | 2019-04-19 | |||
| JP2018015685A | 2018-02-01 | |||
| GB2491576A | 2012-12-12 |
Attorney, Agent or Firm:
ZHONGSHAN KECHUANG PATENT AGENT CO., LTD (CN)
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