Title:
NUT SEAT AND ELECTRONIC EXPANSION VALVE
Document Type and Number:
WIPO Patent Application WO/2023/143027
Kind Code:
A1
Abstract:
A nut seat (3) and an electronic expansion valve. The nut seat (3) comprises a threaded member (31) and a nesting member (32), the threaded member (31) being intended to be in threaded connection to a lead screw (4) of an electronic expansion valve, the outer peripheral surface of the threaded member (31) being provided with a first tooth groove structure (314), the nesting member (32) sleeving the periphery of the threaded member (31) and being intended to be connected to a valve seat (2) of the electronic expansion valve, the inner peripheral surface of the nesting member (32) being provided with a second tooth groove structure (322), and the second tooth groove structure (322) fitting with the first tooth groove structure (314). The threaded member (31) and the nesting member (32) are combined by means of the first tooth groove structure (314) and the second tooth groove structure (322).
Inventors:
CHEN YONGHAO (CN)
XU GUANJUN (CN)
YAO JIAN (CN)
XU GUANJUN (CN)
YAO JIAN (CN)
Application Number:
PCT/CN2023/071414
Publication Date:
August 03, 2023
Filing Date:
January 09, 2023
Export Citation:
Assignee:
ZHEJIANG DUNAN ARTIFICIAL ENV CO LTD (CN)
International Classes:
F16K1/02; F16K1/32; F16K27/02; F16K31/06; F25B41/345
Foreign References:
| CN215983359U | 2022-03-08 | |||
| CN215983361U | 2022-03-08 | |||
| CN215983362U | 2022-03-08 | |||
| CN215983357U | 2022-03-08 | |||
| CN215983356U | 2022-03-08 | |||
| CN113339511A | 2021-09-03 | |||
| CN215371028U | 2021-12-31 | |||
| CN112524261A | 2021-03-19 | |||
| JP2000257740A | 2000-09-19 |
Attorney, Agent or Firm:
BEIJING INTELLEGAL INTELLECTUAL PROPERTY AGENT LTD. (CN)
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