30-06-2023 дата публикации
Номер: CN116357635A
Автор:
ZHANG WANNIAN,
HOU HAIFENG,
CHEN ZHENGLI,
HU ZHAOHUA,
SHEN BO,
SHINZEN,
GE SAI,
JIA XIN,
HU DAKUN,
ZHENG SHOUBANG,
WANG YACHEN
Принадлежит:
The invention discloses an anti-backpressure liquid overflow valve, and relates to the technical field of valves, the anti-backpressure liquid overflow valve comprises a valve body, a valve cavity is formed in the valve body, a valve core is arranged in the valve cavity, a spring seat is arranged at the position, corresponding to an upper cavity of the valve cavity, in the valve body, and the bottom of the spring seat is in contact with the top of the valve core; a spring is arranged in the spring seat, a valve cover is arranged at the position, corresponding to an opening of the valve cavity, of the top of the valve body, an adjusting rod is arranged on the valve cover, and the bottom of the adjusting rod extends into the valve cavity to abut against the top of the spring, so that the spring is prevented from being scoured by media, and the service life of the overflow valve is prolonged.
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