Diaphragm valve used in negative pressure vacuum environment
By using vacuum layer seals and external seals in the diaphragm valve, and using structures such as magnetic suction rings and glue rings, the problem of gases easily escape in the negative pressure vacuum environment is solved, achieving an excellent sealing effect and maintaining the stability of the vacuum environment.
CN222669129UActive Publication Date: 2025-03-25JUCHUANG (SHANGHAI) FLUID TECH CO LTD
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Patent Information
- Application Number
- CN202421144371.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-23
- Publication Date
- 2025-03-25
- Estimated Expiration
- 2034-05-23
AI Technical Summary
Technical Problem
When existing diaphragm valves are used in negative pressure vacuum environments, gases tend to escape from the connection, resulting in the vacuum environment being destroyed.
Method used
A diaphragm valve for use in a negative pressure vacuum environment was designed, and a vacuum layer seal and an external seal were used to form a stable sealing layer through structures such as magnetic suction ring and rubber ring to prevent gas from escaping.
Benefits of technology
It achieves an excellent sealing effect when used in a negative pressure vacuum environment, prevents gas from escaping and maintains stability in the vacuum environment.
✦ Generated by Eureka AI based on patent content.
Abstract
The utility model relates to the field of diaphragm valves, in particular to a diaphragm valve used in a negative-pressure vacuum environment, and adopts the technical scheme that the diaphragm valve used in the negative-pressure vacuum environment comprises a valve body, a hand wheel, a flange plate, a sheath, a vacuum layer sealing element and an external sealing element, an embedded vacuum layer sealing element is arranged between the flange plate and the pipeline flange; the vacuum layer sealing element is magnetically adsorbed on the surface of the pipeline flange and covers a structural gap between the flange plate and the pipeline flange; according to the diaphragm valve, through the vacuum layer sealing pieces arranged at the flange plate and the pipeline flange, a magnetic attraction type fixed sealing structure can be formed at the joint of the diaphragm valve and the pipeline, a structural gap is completely blocked, and the situation that when the diaphragm valve is used in a negative pressure vacuum environment, gas escapes from the structural gap, and the negative pressure vacuum environment is damaged is prevented; the problem that when an existing diaphragm valve is used in a negative-pressure vacuum environment, the vacuum environment can be damaged once gas escapes is solved.
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