一种旋拧式抽真空保鲜盖
The screw-on vacuum sealant lid features a double-sealing structure, which solves the problem of vacuum loss caused by damage to the sealing film, ensuring the food's preservation effect and safety.
CN224512043UActive Publication Date: 2026-07-17余建蓉
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- 余建蓉
- Filing Date
- 2025-09-11
- Publication Date
- 2026-07-17
Smart Images
Figure CN224512043U_ABST
Abstract
本实用新型涉及真空保鲜技术领域，公开了一种旋拧式抽真空保鲜盖，包括连接环体、盖体、螺柱、真空活塞、密封膜片以及限制件。当连接环体与容器连接到位后，通过设置的密封膜片能够对容器的内部进行密封，形成了第一道密封结构；通过真空活塞与连接环体的内壁滑动密封连接，在真空活塞与密封膜片之间形成了第二道密封结构；当密封膜片出现损坏后，由于存在第二道密封结构，因此容器内部的真空度并不会消失，使得本实用新型依旧具备很好的食品保鲜功能。
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