Clamp spring type O-shaped sealing ring

The utility model aims to provide a novel clamp spring type O-shaped sealing ring to solve the problems that the conventional O-shaped sealing ring is easy to scratch during installation and has highrequirements on the installation environment. The utility model is realized according to the following technical scheme: the utility model is realized by the following technical scheme; a clamp springtype O-shaped sealing ring comprises an elastic clamp spring and a rubber layer wrapping the elastic clamp spring, the elastic clamp spring is a metal clamp spring with a circular section, the rubberlayer evenly wraps a main body of the metal clamp spring and the end face of an opening, and the rubber layer on the end face of the opening is tightly attached in a natural state. 本实用新型的目的是提供一种新型的卡簧式O型密封圈，以解决目前O型密封圈安装时易划伤、对安装环境要求高的问题。本实用新型按以下技术方案实现：一种卡簧式O型密封圈，包括弹性卡簧和包覆所述弹性卡簧的橡胶层，所述弹性卡簧为截面为圆形的金属卡簧，所述橡胶层均匀包覆该金属卡簧的主体及开口处的端面，且开口处端面的橡胶层在自然状态下紧密贴合。