Title:
IN VITRO DIAGNOSTIC ANALYZER, LIQUID SUPPLY DEVICE AND SWITCH VALVE UNIT
Document Type and Number:
WIPO Patent Application WO/2022/011820
Kind Code:
A1
Abstract:
An in vitro diagnostic analyzer, a liquid supply device and a switch valve unit (100). The switch valve unit (100) comprises a mounting member (110), a valve seat (120) and a valve core (130); the mounting member (110) is provided with a through hole (114) and an annular protrusion (116) arranged on the outer edge of the through hole (114), the annular protrusion (116) is enclosed to form a mounting groove (118); one end of the valve seat (120) is inserted into the mounting groove (118), and the end part at one end of the valve seat (120) sealably fits with a side wall of the mounting member (110); the outer side wall of the valve seat (120) sealably fits with the inner side wall of the annular protrusion (116); the valve seat (120) is provided with a matching cavity (120a) that communicates with the through hole (114), and the valve seat (120) is further provided with an air inlet (122), a liquid inlet (124) and an external hole (126) that each communicate with the matching cavity (120a); the valve core (130) is provided with a valve body (132), the valve body (132) is inserted into the matching cavity (120a) by means of the through hole (114), and the valve body (132) sealably fits with the matching cavity (120a); the valve body (132) is provided with a flow passage (102), and the valve body (132) may move relative to the valve seat (120).
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Inventors:
HUANG YURONG (CN)
Application Number:
PCT/CN2020/115460
Publication Date:
January 20, 2022
Filing Date:
September 16, 2020
Export Citation:
Assignee:
GUANGZHOU WONDFO BIOTECH CO LTD (CN)
International Classes:
G01N35/04; F16K11/085
Foreign References:
| CN212429843U | 2021-01-29 | |||
| CN106483181A | 2017-03-08 | |||
| CN103543185B | 2015-06-24 | |||
| CN209309392U | 2019-08-27 | |||
| CN109099189A | 2018-12-28 | |||
| CN110964715A | 2020-04-07 | |||
| JP2014130076A | 2014-07-10 | |||
| US4298026A | 1981-11-03 |
Attorney, Agent or Firm:
BEYOND ATTORNEYS AT LAW (CN)
Download PDF:
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