Title:
PIPE HAVING SEAL HEAD, PIPE CONNECTOR, AND LIQUID CHROMATOGRAPHY SYSTEM
Document Type and Number:
WIPO Patent Application WO/2023/005802
Kind Code:
A1
Abstract:
A pipe (10) having a seal head, comprising: a pipe body (11), which comprises a connecting end, the connecting end comprising a first section (111) and a second section (112) arranged adjacent to one another, and the first section (111) comprising an end surface (S) that is perpendicular to an axis; a sealing member (12), which comprises a first annular part (121) and a second annular part (122) that are coaxially arranged, wherein the second annular part (122) comprises a first surface (P) facing the first annular part (121), orthographic projections of the first annular part (121) in the axial direction fall within the first surface (P), the first surface (P) comprises a first area (P1) surrounded by the orthographic projections and a second area (P2) surrounding the orthographic projections. and the first annular part (121) is sleeved on an outer wall of the first section (111), and the end surface abuts against the first area (P1); and a sleeve (13), which is sleeved on an outer wall of the second section (112) and the first annular part (121), and an end surface of one side of the sleeve (13) abuts against the second area (P2). The present invention also relates to a pipe connector and a liquid chromatography system. The problem in the existing technology that the service life of a sealing member at a joint of a pipe and a target component is relatively short is solved.
Inventors:
YANG PAN (CN)
DENG JIANJUN (CN)
LUO XUEFENG (CN)
DENG JIANJUN (CN)
LUO XUEFENG (CN)
Application Number:
PCT/CN2022/107116
Publication Date:
February 02, 2023
Filing Date:
July 21, 2022
Export Citation:
Assignee:
MAXI SCIENT INSTRUMENTS SUZHOU CO LTD (CN)
International Classes:
F16L9/02; F16L19/06; F16L21/035; F16L21/04; G01N30/02
Foreign References:
| CN109973727A | 2019-07-05 | |||
| CN102239408A | 2011-11-09 | |||
| CN113446439A | 2021-09-28 | |||
| CN215258269U | 2021-12-21 | |||
| CN204573375U | 2015-08-19 | |||
| CN105659017A | 2016-06-08 | |||
| CN109996985A | 2019-07-09 | |||
| CN102439437A | 2012-05-02 | |||
| US20100005855A1 | 2010-01-14 |
Attorney, Agent or Firm:
BEIJING BRIGHT IP AGENCY CO., LTD. (CN)
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