The invention discloses a sealing ring and a wiper, and relates to the technical field of automobile parts. The sealing ring comprises a sleeving part and a first sealing part, wherein the sleeving part sleeves the outer wall of a rotating shaft, a first gap is reserved between the sleeving part and the outer wall of the rotating shaft, the first gap does not exceed a preset first gap threshold value, the first sealing part is arranged on the sleeving part and is sleeved in a groove formed by the rotating shaft and a joint, the first sealing part is provided with an inner water retaining structure propped against the outer wall of the rotating shaft, the inner water retaining structure comprises at most two circles of inner water retaining wings, and the first sealing part is further provided with an outer water retaining structure facing the inner wall of the joint. According to the sealing ring, the waterproof effect of the sealing ring is guaranteed, contact friction between the sealing ring and the rotating shaft is reduced, abnormal sound is avoided, and the sealing ring and the rotating shaft are good in application effect.
本发明公开了一种密封圈及刮水器,涉及汽车零部件技术领域,该密封圈包括:套接部和第一密封部,所述套接部套接在转轴外壁上,且与转轴外壁之间留有第一间隙,所述第一间隙不超过预设的第一间隙阈值;所述第一密封部设于所述套接部上,且套设于转轴与接头形成的凹槽内,所述第一密封部设有抵持在转轴外壁的内挡水结构,所述内挡水结构包括至多两圈内挡水翼,所述第一密封部还设有朝向接头内壁的外挡水结构。本发明的密封圈,既保证密封圈的防水效果,又减小密封圈与转轴的接触摩擦,避免异响,两种兼顾,应用效果好。
Sealing ring and wiper
密封圈及刮水器
2020-11-13
Patent
Electronic Resource
Chinese
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