Title:
ELECTRONIC EXPANSION VALVE
Document Type and Number:
WIPO Patent Application WO/2021/253984
Kind Code:
A1
Abstract:
Disclosed is an electronic expansion valve, comprising a magnetic rotor (10), a connecting member (20), a limiting member (30), a screw rod (40) and a guide shaft (50), wherein the connecting member (20) is fixedly arranged in the magnetic rotor (10), the connecting member (20) is provided with a first matching hole (21), and the connecting member (20) is of an injection molding structure; the limiting member (30) is in limiting fit with the connecting member (20), the limiting member (30) is provided with a second matching hole (31), and the second matching hole (31) is provided corresponding to the first matching hole (21); the screw rod (40) penetrates the first matching hole (21), and the screw rod (40) is fixedly connected to an inner wall of the second matching hole (31); and the guide shaft (50) is fixedly connected to the limiting member (30), and the guide shaft (50) extends into the magnetic rotor (10) in the axial direction of the magnetic rotor (10).
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Inventors:
ZHAN SHAOJUN (CN)
XU GUANJUN (CN)
LOU JINQIANG (CN)
XU GUANJUN (CN)
LOU JINQIANG (CN)
Application Number:
PCT/CN2021/089387
Publication Date:
December 23, 2021
Filing Date:
April 23, 2021
Export Citation:
Assignee:
ZHEJIANG DUNAN ARTIFICIAL ENV CO LTD (CN)
International Classes:
F16K31/06; F16K1/32
Foreign References:
| CN212657334U | 2021-03-05 | |||
| CN212657268U | 2021-03-05 | |||
| CN212959881U | 2021-04-13 | |||
| CN102252121A | 2011-11-23 | |||
| CN109538772A | 2019-03-29 | |||
| CN207213207U | 2018-04-10 | |||
| JP2006348962A | 2006-12-28 |
Attorney, Agent or Firm:
KANGXIN PARTNERS, P.C. (CN)
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