The utility model discloses an oil seal for high speed motor, which comprises a metal casing and annular rubber ring, the diameter of the peripheral annular metal shell is provided with a ring groove, the groove bottom of the outer edge to the vertical direction of the extension of a section to form a circle of vertical slot wall, outer seal protection structure of syncline outside the vertical direction at the top of the tank wall extends to form the rubber ring, rubber ring positioning part is an annular groove and the positioning of the high vertical groove width and groove wall to the positioning part at the bottom of the groove width to adapt, in the positioning part on top of the outer syncline direction forming seal Department of buckle surface between the diameter and the positioning part at the bottom of the inner diameter of the sealing part of the top part of the formation of the rubber ring card, the card with the fastening surface of the fastener structure. The utility model is suitable for a high-speed motor, and has the advantages of simple structure, low cost, long service life and outstanding effect.
【技术实现步骤摘要】
【技术保护点】
一种高速电机用油封，包括圆环状金属外壳以及橡胶圈，橡胶圈包括定位部以及密封部，圆环状金属外壳的内径与电机轴配合，在内径的外周上设有周向布置的凹槽，凹槽外缘的延伸形成橡胶圈的密封部保护结构，圆环状金属外壳的内径向垂直向上方向延伸一段后再水平向外延伸形成卡扣结构，其特征是所述的凹槽槽底的外缘向垂直向上方向延伸一段形成一周竖直槽壁，竖直槽壁顶部的外缘向斜外方向延伸形成所述的橡胶圈的密封部保护结构，所述的橡胶圈的定位部为圆环状，该定位部的高与凹槽的竖直槽壁相适应，该定位部底部的宽度与凹槽的槽宽相适应，在定位部顶部向斜外方向延伸形成密封部，密封部底部的内径与定位部顶部的内径之间的部分形成橡胶圈的卡扣面，该卡扣面与所述的卡扣结构配合。
【技术特征摘要】
【专利技术属性】
技术研发人员：王俊华，沈岳，李红军，
申请(专利权)人：吴江天龙电子机械设备有限公司，
类型：实用新型
国别省市：
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