Title:
VALVE CORE AND CHARGING VALVE
Document Type and Number:
WIPO Patent Application WO/2021/120343
Kind Code:
A1
Abstract:
Disclosed are a valve core and a charging valve. The valve core comprises a core body (1), wherein the core body (1) is provided with a through hole inner cavity for supplying air circulation; a core rod (3), wherein the core rod (3) is arranged in the through hole inner cavity, and is capable of moving in an axial direction of the through hole inner cavity; a sealing step (31), which is arranged at a first end of the core rod (3) extending out of the core body (1), wherein the sealing step (3) is configured to open or close the through hole inner cavity; and a sealing ring (5), wherein the sealing ring (5) is arranged between an end surface of a first end of the core body (1) and the sealing step (31), a plurality of sealing parts are arranged on a stressed surface, directly opposite the sealing step (31) at an interval, of the sealing ring (5), and the plurality of sealing parts are configured to abut against the sealing step (31) when the sealing step (31) closes the through hole inner cavity, such that the through hole inner cavity is sealed.
Inventors:
SUN PENG (CN)
ZHONG LIBAO (CN)
ZHAO WENQING (CN)
QIU DEEN (CN)
ZHONG LIBAO (CN)
ZHAO WENQING (CN)
QIU DEEN (CN)
Application Number:
PCT/CN2020/070380
Publication Date:
June 24, 2021
Filing Date:
January 06, 2020
Export Citation:
Assignee:
GAOMI TONGCHUANG VALVE CORE CO LTD (CN)
International Classes:
F16K15/20; F16F9/43; F16K1/46
Foreign References:
| CN110081213A | 2019-08-02 | |||
| CN204004393U | 2014-12-10 | |||
| CN201288865Y | 2009-08-12 | |||
| CN206754360U | 2017-12-15 | |||
| CN201351750Y | 2009-11-25 | |||
| JP2002256314A | 2002-09-11 |
Attorney, Agent or Firm:
BEYOND ATTORNEYS AT LAW (CN)
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