patent entitled of quick opening closure
Heilongjiang Lianerdun Petrochemical Equipment Co.,Ltd has obtained a patent entitled “Two- clamp-type quick opening closure”,
with the authorization notice number CN 217899228 U, and the application date is August 2022, and the patent abstract shows
that the utility model provides a safety protection device for quick opening closure.
According to the abstract of the patent, the utility model provides a quick opening closure, which relates to the field of gas purification equipment,
and includes a quick-opening blind plate, a safety pin, a rotating pin, a guiding cylinder, a piston pin, a limit pin, said rotating pin and limit pin being
assembled on the quick opening closure, said safety pin being assembled on the rotating pin and said safety pin being on the same side of the limit pin,
and a guiding cylinder fixedly assembled to the safety pin, and a pressure-carrying chamber being provided within the guiding cylinder, and a
pressure-carrying chamber being provided within the pressure-carrying chamber. said guiding cylinder is fixedly assembled on said safety pin,
said guiding cylinder is provided with a pressure chamber, and said pressure chamber is provided with a pressure spring for supporting the piston pin,
said pressure chamber is connected with said rotating pin, and pneumatic pressure enters into the pressure chamber from the rotating pin to overcome
the loading force of the pressure spring on said piston pin, and pushes the piston pin to move to the top end of the one side of the pressure chamber and
enter into the said restriction pin. The utility model has significant advantages such as unique design, simple structure, easy maintenance and use, and reliable
performance.