Title:
ASC SEMI-AUTOMATIC SWITCHING SYSTEM
Document Type and Number:
WIPO Patent Application WO/2021/232544
Kind Code:
A1
Abstract:
An ASC semi-automatic switching system, comprising a fixed connection support (3). A gas flow-discharging mechanism (6) is fixedly mounted on an upper end surface of the fixed connection support (3); a fixed pressure valve mechanism (1) is fixedly mounted at one end of the gas flow-discharging mechanism (6); a regulating pressure valve mechanism (2) is fixedly mounted at the other end of the gas flow-discharging mechanism (6); the regulating pressure valve mechanism (2) comprises a second gas-guiding valve body (201), a second connection end cover (202), a steering connector (203), a steering gas-guiding block (204), a movable connection block (205), a reset spring (206), a guide rod (207), and a gas-guiding hole (208); the inner side of the second gas-guiding valve body (201) is provided with the gas-guiding hole (208); and the movable connection block (205) is provided at the upper end of the gas-guiding hole (208). By means of mechanical switching control, safety and reliability are achieved, the number of times of maintenance is reduced, and an uninterrupted gas supply operation can be achieved.
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Inventors:
ZHOU RUWEI (CN)
Application Number:
PCT/CN2020/098823
Publication Date:
November 25, 2021
Filing Date:
June 29, 2020
Export Citation:
Assignee:
HUZHOU BEIDE FLUID EQUIPMENT CO LTD (CN)
International Classes:
F17C13/04
Foreign References:
| CN208107649U | 2018-11-16 | |||
| CN101219249A | 2008-07-16 | |||
| CN200996336Y | 2007-12-26 | |||
| CN206608587U | 2017-11-03 | |||
| CN103115177A | 2013-05-22 | |||
| US6779568B2 | 2004-08-24 |
Attorney, Agent or Firm:
BEIJING FORESTSONG PATENT AGENCY CO., LTD. (CN)
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