Title:
SELF-ADJUSTING ARGON BLOWING CONNECTOR
Document Type and Number:
WIPO Patent Application WO/2023/097853
Kind Code:
A1
Abstract:
The present invention provides a self-adjusting argon blowing connector, which can solve the problems of poor sealing and argon leakage caused by an end face of an upper connector being inclined. The self-adjusting argon blowing connector comprises an upper connector and a lower connector, wherein the lower structure comprises a connector body and a spring; the connector body comprises a press-fitting portion and a tubular portion which is arranged in the middle of the bottom of the press-fitting portion; a lower argon channel penetrating the press-fitting portion is formed on the tubular portion; a sealing ring surrounding the lower argon channel is mounted at the top of the press-fitting portion; the spring is sleeved outside the tubular portion; and the upper end of the spring abuts against the press-fitting portion. The lower connector further comprises a spring seat and an aligning block; a seat body of the spring seat abuts against the lower end of the spring and is provided with a lower guide sleeve extending upwards; the press-fitting portion is provided with an upper guide sleeve extending upwards; the lower guide sleeve is sleeved on the upper guide sleeve and is limited by means of a vertical limiting structure; and the lower portion of the seat body is fitted with the aligning block by means of an arc surface.
Inventors:
ZHANG FEI (CN)
WANG FENGLIANG (CN)
WANG FENGLIANG (CN)
Application Number:
PCT/CN2021/142845
Publication Date:
June 08, 2023
Filing Date:
December 30, 2021
Export Citation:
Assignee:
WUXI JULI HEAVY IND CO LTD (CN)
International Classes:
F16L27/08; C21C7/072
Foreign References:
| CN107990070A | 2018-05-04 | |||
| CN111306382A | 2020-06-19 | |||
| CN203782178U | 2014-08-20 | |||
| CN109304459A | 2019-02-05 | |||
| CN201047475Y | 2008-04-16 | |||
| US5065986A | 1991-11-19 | |||
| US5823221A | 1998-10-20 |
Attorney, Agent or Firm:
WUXI SHENGYANG PATENT&TRADEMARK AGENCE (CN)
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