Title:
PRESSING PUMP AND LIQUID CONTAINER
Document Type and Number:
WIPO Patent Application WO/2024/027249
Kind Code:
A1
Abstract:
A pressing pump and a liquid container. The pressing pump comprises a pump body (100), a one-way valve (200), a valve stem assembly (300), a pressing head (400), and an annular part (500). The pump body (100) is provided with an accommodating cavity (110). The valve stem assembly (300) is movably arranged in the accommodating cavity (110), the valve stem assembly (300) is provided with a piston (700), and the piston (700) is located in the accommodating cavity (110). The pressing head (400) is located outside the pump body (100) and is connected to one end of the valve stem assembly (300). The annular part (500) is arranged at the outer circumference of one end of the valve stem assembly (300) and is connected to the side wall of the pressing head (400) close to the pump body (100), the annular part (500) is inserted into the accommodating cavity (110), and the outer circumference of the annular part (500) sealably abuts against an inner wall of the accommodating cavity (110). The annular part (500) is provided with a first channel which communicates with the accommodating cavity (110), or a first channel (510) which communicates with the accommodating cavity is provided between the annular part (500) and the valve stem assembly (300). The pressing head (400) is provided with a second channel (420) which communicates with the first channel (510), and the second channel (420) is provided with a first opening (421) which is disposed on the side wall of the pressing head (400) close to the pump body (100) and which is located at the outer side of the annular part (500). According to the present pressing pump, the circumstances in which external moisture enters the pump body (100) can be reduced, and the waterproof performance is improved.
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Inventors:
LIN TIANDA (CN)
MO HENGJIN (CN)
MO HENGJIN (CN)
Application Number:
PCT/CN2023/092524
Publication Date:
February 08, 2024
Filing Date:
May 06, 2023
Export Citation:
Assignee:
ZHONGSHAN LUENCHEONG DISPENSING PUMP LTD (CN)
International Classes:
B65D47/34
Foreign References:
| CN214398005U | 2021-10-15 | |||
| CN112810992A | 2021-05-18 | |||
| CN218318321U | 2023-01-17 | |||
| CN115489869A | 2022-12-20 | |||
| CN114789850A | 2022-07-26 | |||
| CN213621239U | 2021-07-06 | |||
| CN216581924U | 2022-05-24 | |||
| JP2017214126A | 2017-12-07 | |||
| KR101479223B1 | 2015-01-12 | |||
| KR20140026694A | 2014-03-06 |
Attorney, Agent or Firm:
JIAQUAN IP LAW (CN)
Download PDF:
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