Title:
METAL-SEALED UNFURLED VALVE AND DRIVING DEVICE THEREFOR
Document Type and Number:
WIPO Patent Application WO/2021/143221
Kind Code:
A1
Abstract:
Disclosed are a metal-sealed unfurled valve and a driving device therefor, relating to the field of valves. The valve comprises a valve rod (1), a linear stroke driving mechanism (2), a rotation driving mechanism (3) and a double-motion switch mechanism (4), wherein a movable end of the linear stroke driving mechanism (2) is mounted on the valve rod (1) in a sleeving manner and drives the valve rod to linearly move up and down; a movable end of the rotation driving mechanism (3) is mounted on the valve rod (1) in a sleeving manner and drives the valve rod to rotate forwards and reversely; and the linear motion stroke and the forward and reverse rotation angles of the valve rod (1) are all controlled by the double-motion switch mechanism (4). The valve has a good working stability and a high degree of automation.
Inventors:
WANG ZHONGYUAN (CN)
SU JINGPAN (CN)
NAN FEI (CN)
WU HUAIMIN (CN)
XUE HONGQUAN (CN)
YANG LONGJIE (CN)
XIANG LISHENG (CN)
ZHANG MIAOMIAO (CN)
HUANG JIAQIAO (CN)
SU JINGPAN (CN)
NAN FEI (CN)
WU HUAIMIN (CN)
XUE HONGQUAN (CN)
YANG LONGJIE (CN)
XIANG LISHENG (CN)
ZHANG MIAOMIAO (CN)
HUANG JIAQIAO (CN)
Application Number:
PCT/CN2020/120810
Publication Date:
July 22, 2021
Filing Date:
October 14, 2020
Export Citation:
Assignee:
ZHEJIANG PETROCHEMICAL VALVE CO LTD (CN)
International Classes:
F16K31/122; F16K5/06
Foreign References:
| CN111237532A | 2020-06-05 | |||
| CN2411396Y | 2000-12-20 | |||
| CN110529453A | 2019-12-03 | |||
| US20190195385A1 | 2019-06-27 | |||
| CN208057978U | 2018-11-06 | |||
| CN106855147A | 2017-06-16 |
Attorney, Agent or Firm:
WENZHOU JINOU PATENT LAW OFFICE (GENERAL PARTNERSHIP) (CN)
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