Title:
ELECTRIC BALL VALVE AND MANUFACTURING METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2020/015497
Kind Code:
A1
Abstract:
An electric ball valve and a manufacturing method therefor. The electric ball valve comprises a control component (1), a gear decelerating mechanism (2), a valve body component (3), and a housing component (4), wherein the control component (1) comprises a cover (11) and a rotator component (13) provided in the cover (11); the housing component (4) comprises an upper housing part (41) and a lower housing part (42); the cover (11), the upper housing part (41) and the lower housing part (42) are made out of a stainless steel material by machining; the cover (11) is fixed to the upper housing part (41) by welding; the upper housing part (41) is fixed to the lower housing part (42) by welding; and the lower housing part (42) is fixed to a valve body (31) by welding.
Inventors:
YAN WEILIN (CN)
XU MINGHUI (CN)
XU MINGHUI (CN)
Application Number:
PCT/CN2019/092297
Publication Date:
January 23, 2020
Filing Date:
June 21, 2019
Export Citation:
Assignee:
ZHEJIANG SANHUA CLIMATE AND APPLIANCE CONTROLS GROUP CO LTD (CN)
International Classes:
F16K27/06; B21D35/00; B23P15/00; F16K5/06; F16K27/10; F16K31/04; F16K31/53
Foreign References:
| CN207049360U | 2018-02-27 | |||
| CN205937930U | 2017-02-08 | |||
| CN103672008A | 2014-03-26 | |||
| EP0272991A1 | 1988-06-29 |
Attorney, Agent or Firm:
UNITALEN ATTORNEYS AT LAW (CN)
Download PDF: