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发明公开
CN104696380A 一种长寿命十字轴万向节 无效 - 驳回

一种长寿命十字轴万向节
摘要：
本发明公开了一种十字轴万向节，包括十字轴本体和轴臂，轴臂上套设有的滚针轴承，滚针轴承包括轴承套和滚针，十字轴本体和轴臂为一体式结构，轴臂包括轴颈与台肩，轴颈通过台肩与十字轴本体连接，轴颈的外侧面为锥面，轴颈根部的直径大于轴颈外端的直径，滚针轴承的开口端内侧设有密封圈，密封圈的内侧与台肩表面贴合接触，滚针轴承的开口端端部设有防尘圈。因此本发明具有密封性能好，使用寿命长的有益效果。
摘要（英）：

The invention discloses a long-life lardan university joint. The long-life lardan university joint comprises a cross shaft body and a shaft arm, wherein the shaft arm is coated with a needle bearing; the needle bearing comprises a bearing sleeve and a rolling needle; the cross shaft body and the shaft arm are formed to an integrated structure; the shaft arm comprises a shaft neck and a table shoulder; the shaft neck is connected with the cross shaft body through the table shoulder; the outer side surface of the shaft neck is a conical surface; the diameter of the root of the shaft neck is greater than the diameter of the outer end of the shaft neck; a sealing ring is arranged at the inner side of the opening end of the needle bearing; the inner side of the sealing ring is bonded and contacted with the surface of the table shoulder; and a dustproof ring is arranged at the opening end of the needle bearing. The long-life lardan university joint has the beneficial effects of good sealing performance and long service life.

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