Title:
LIQUID CONTAINER
Document Type and Number:
WIPO Patent Application WO/2019/037589
Kind Code:
A1
Abstract:
A liquid container, comprising a barrel-shaped housing (1), a flexible inner bag (2) provided in the housing (1) and used for storing a liquid, and a liquid outlet valve (3) for controlling flow-in and flow-out of the liquid in the inner bag (2). The inner bag (2) is fixedly connected to the liquid outlet valve (3), and an opening of the inner bag (2) forms a seal with the liquid outlet valve (3). The housing (1) forms a seal with the liquid outlet valve (3), and the end of the housing (1) connected to the liquid outlet valve (3) is further connected to a ventilation structure (4) capable of controlling a gas to enter and exit the housing (1). A separation bag (5) is further sleeved between the inner bag (2) and the housing (1). The separation bag (5) is a flexible bag. The separation bag (5) is provided with a plurality of protrusions (51) protruding out of the surface of the separation bag (5). Each protrusion (51) extends from the opening of the separation bag (5) in a direction away from the opening of the separation bag (5). A first auxiliary air passage (52) used for gas circulation is formed between two adjacent protrusions (51). The first auxiliary air passage (52) can always be communicated with the ventilation structure (4).
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Inventors:
QIU DILIN (CN)
Application Number:
PCT/CN2018/098935
Publication Date:
February 28, 2019
Filing Date:
August 06, 2018
Export Citation:
Assignee:
YOU SAIFEI (CN)
International Classes:
B65D77/06; B65D51/16; B65D85/72; B67D1/04; B67D1/08
Foreign References:
| CN107585732A | 2018-01-16 | |||
| CN106364788A | 2017-02-01 | |||
| CN106628606A | 2017-05-10 | |||
| CN206156038U | 2017-05-10 | |||
| CN101318585A | 2008-12-10 | |||
| FR2388733A1 | 1978-11-24 |
Attorney, Agent or Firm:
TAIZHOU FANGYUAN PATENT ATTORNEY FIRM (GENERAL PARTNERSHIP) et al. (CN)
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