Title:
DUST CAP AND STOP VALVE HAVING SAME
Document Type and Number:
WIPO Patent Application WO/2023/016452
Kind Code:
A1
Abstract:
A dust cap and a stop valve having same. The dust cap is sleeved on the top of a valve body (10) of a stop valve, and the dust cap comprises a cylinder body (20); and a top plate (30), the top plate (30) covering one end of the cylinder body (20) so as to surround the cylinder body (20) to form a dustproof cavity (40); at least part of the cylinder body (20) protrudes from inside to outside so as to form a protruding part (21), and the protruding part (21) extends along the central axis of the cylinder body (20). The problem in the existing technology that the universality of a dust cap is poor is effectively solved.
Inventors:
ZHOU FENG (CN)
LOU FENG (CN)
CHEN WEINENG (CN)
SUN MAODA (CN)
LOU FENG (CN)
CHEN WEINENG (CN)
SUN MAODA (CN)
Application Number:
PCT/CN2022/111149
Publication Date:
February 16, 2023
Filing Date:
August 09, 2022
Export Citation:
Assignee:
ZHEJIANG DUNAN ARTIFICIAL ENV CO LTD (CN)
International Classes:
F16K27/08; B65D41/00; F16K1/00; F16K27/12; F16L55/115
Domestic Patent References:
| WO2019036066A1 | 2019-02-21 | |||
| WO2020127518A1 | 2020-06-25 |
Foreign References:
| CN215806639U | 2022-02-11 | |||
| CN209688194U | 2019-11-26 | |||
| CN209209413U | 2019-08-06 | |||
| CN101827756A | 2010-09-08 | |||
| CN104495047A | 2015-04-08 | |||
| CN106715287A | 2017-05-24 | |||
| GB278798A | 1927-10-13 | |||
| EP3798178A1 | 2021-03-31 |
Attorney, Agent or Firm:
KANGXIN PARTNERS, P.C. (CN)
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