Title:
SEALING VALVE, AND LIQUID OUTLET STRUCTURE COMPRISING SAME
Document Type and Number:
WIPO Patent Application WO/2022/105382
Kind Code:
A1
Abstract:
A sealing valve, comprising a sealing valve body (1) and a cylindrical valve hole (2) provided in the sealing valve body (1), wherein a bottom end of the valve hole (2) is provided with a frustum hole (3); the frustum hole (3) is arranged coaxially with the valve hole (2); and one end of the small bottom of the frustum hole (3) is in communication with the bottom end of the valve hole (2). The sealing valve facilitates control over the opening and closing of a nozzle and can prevent crystallization of a liquid in the nozzle.
Inventors:
HAO SHUSHUN (CN)
SUI YANJUN (CN)
CHEN LIZHU (CN)
XING SHIYUAN (CN)
YAO ZHAOHUI (CN)
SUI YANJUN (CN)
CHEN LIZHU (CN)
XING SHIYUAN (CN)
YAO ZHAOHUI (CN)
Application Number:
PCT/CN2021/117654
Publication Date:
May 27, 2022
Filing Date:
September 10, 2021
Export Citation:
Assignee:
SHIJIAZHUANG HIPRO BIOTECHNOLOGY CO LTD (CN)
International Classes:
F16K1/00; B05B1/02; B05B1/30; B05B15/16; B05B15/65; F16K1/32; F16K1/36; F16K1/42; F16K1/46; F16K27/02; F16K31/06
Domestic Patent References:
| WO1994018011A1 | 1994-08-18 |
Foreign References:
| CN112431930A | 2021-03-02 | |||
| CN102072327A | 2011-05-25 | |||
| CN110325772A | 2019-10-11 | |||
| US20180022537A1 | 2018-01-25 | |||
| US20160263594A1 | 2016-09-15 | |||
| CN104169008A | 2014-11-26 |
Other References:
See also references of EP 4246021A1
Attorney, Agent or Firm:
SHIJIAZHUANG XINSHIJI PATENT AND TRADEMARK OFFICE CO., LTD (CN)
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