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发明授权
CN107614911B 用于车辆驱动轴的接头的油脂留置组件 有权

用于车辆驱动轴的接头的油脂留置组件
摘要：
本发明公开了一种用于驱动轴组件的油脂留置组件，所述驱动轴组件具有连接到接头的管状轴，所述油脂留置组件包括：外环和用于油脂留置和通风的盖，所述盖布置在外环的内径段中。盖包括具有环形凹部的外环形边沿。外环包括：径向抵接肩，所述径向抵接肩向内径向延伸并且限定了盖的边沿的轴向端部位置；和径向环形肋状件，所述径向环形肋状件从内径段延伸。当盖处于轴向端部位置中时，肋状件部分填充了边沿的环形凹部。盖还包括：中央部分，所述中央部分具有中空空气腔，所述中空空气腔横过盖、在两个径向延伸壁之间延伸；轴向孔，所述轴向孔穿过两个径向延伸壁中的一者；和径向环形槽，所述径向环形槽与中空空气腔连通。
摘要（英）：

A grease-retention assembly for a drive shaft assembly with a tubular shaft connected to a joint includes an outer race and a cap for grease retention and venting arranged in an inside diameter section of the outer race. The cap includes an outer annular rim with an annular indentation. The outer race includes a radial abutment shoulder extending radially inward and defining an axial end position of the rim of the cap, and a radial annular rib extending from the inside diameter section. The rib partially fills the annular indentation of the rim when the cap is in the axial end position. The cap further includes a central portion with a hollow air cavity extending across the cap between two radially extending walls, an axial hole through one of the two radially extending walls, and a radial annular groove communicating with the air cavity.

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