一种L形截面端面密封结构和液压系统
By combining the design of an L-shaped cross-section elastomer and a protective ring, the problem of sealing failure of traditional O-ring end face seals under pressure and low temperature is solved, achieving higher sealing performance and longer service life.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- XIAN FLIGHT SELF CONTROL INST OF AVIC
- Filing Date
- 2023-12-26
- Publication Date
- 2026-07-17
AI Technical Summary
Traditional O-ring end face sealing structures have weakened sealing performance under internal pressure. At low temperatures, the gap between the sealing surfaces increases and they are easily squeezed and bitten, leading to sealing failure and affecting the use and survival of mechanical equipment.
An L-shaped cross-section end face sealing structure is designed, which combines an L-shaped cross-section elastomer and a protective ring to increase the filling rate of the sealing groove. The protective ring provides support and protection to prevent the elastomer from being squeezed into the sealing surface gap at low temperatures, thereby enhancing the sealing reliability.
It improves the radial sealing performance and low-temperature reliability of the sealing structure, reduces stress concentration, extends the service life of the seals, and is suitable for a wide temperature range.
Smart Images
Figure CN117847219B_ABST