为满足某型潜射导弹的发射要求，基于传统的Y形橡胶密封圈的结构，提出一种新型h形橡胶密封圈。采用有限元分析软件Abaqus对h形橡胶密封圈的性能进行模拟。结果表明，该h形橡胶密封圈既能有效密封弹筒内的高温高压混合气体，又能保证充气过程的顺利进行。同时针对该密封圈的结构特点，改变h形密封圈的一些关键参数，找出h形密封圈的工作性能与相关参数之间的变化规律，通过相关参数的优化设计可提高密封圈的工作性能，延长其使用寿命。
In order to meet the requirement of some submarine-launched missile,a new h-ring rubber seal was proposed based on the traditional Y-ring seal. The performance of h-ring seal was simulated by finite element software Abaqus. The results show that the h-ring seal can not only effectively seal the mixed gas with high temperature and high pressure in cylinder but also ensure charging smoothly. Focusing on the structure characteristics of this h-ring seal,the change rule of the performance with relevant parameters was found by changing the key parameters of the h-ring seal. The optimization design for some relevant parameters can improve the sealing performance of the ring and extend its service life.
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