Novel sealing ring

The utility model discloses a novel sealing ring, including sealed main body, sealed main body whole for the annular structure and by non - for the metal seal material make its characterized in that:still include the metal retaining ring, sealed main body all covers at axial two terminal surfaces and is fixed with the metal protection layer, the metal protection layer constitutes promptly the metal retaining ring, sealed main body lies in the sealed position that part between the metal retaining ring exposes and constitute sealed usefulness in self axial. The utility model discloses an it isreasonable that novel sealing ring has simple structure, has good detachability and reliability, the easy advantage of on -the -spot fast -assembling under water. 本实用新型公开了种新型密封圈，包括密封主体，所述密封主体整体为环状结构且由非金属密封用材料制得，其特征在于：还包括金属挡圈，所述密封主体在轴向的两个端面均覆盖固定有金属保护层，所述金属保护层即构成所述金属挡圈；所述密封主体在自身轴向上位于金属挡圈之间的部分外露并构成密封用的密封部位。本实用新型的新型密封圈具有结构简单合理，具有良好的可拆卸性及可靠性，易于在水下现场快装的优点。