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发明申请
US20090137325A1 CONSTANT VELOCITY UNIVERSAL JOINT 有权
恒定速度通用接头

CONSTANT VELOCITY UNIVERSAL JOINT
摘要：
A constant velocity universal joint is provided, having a hollow outer joint member, an inner joint member, an outer roller including a cylindrical surface, an inner roller including a concave sphere, and plural leg shafts each including a convex sphere formed in a tip portion and engaging with the concave sphere, where the cylindrical surface of the outer roller satisfies the following: W1>PCR(1−cos θ)/2+μ3R3+μ2R1 W2>3PCR(1−cos θ)/2−μ3R3+μ2R1, where W1 indicates a length of the cylindrical surface from a center of the leg shaft and an intersection of the cylindrical surface and an upper side taper portion of the outer roller, W2 indicates a length of the cylindrical surface from the center of the leg shaft and an intersection of the cylindrical surface and a lower side taper portion of the outer roller, and θ indicates a maximum joint angle.
摘要（中）：

提供了一种等速万向接头，其具有中空的外接头构件，内接头构件，包括圆柱形表面的外滚子，包括凹球的内滚子和多个腿轴，每个腿轴包括形成在尖端部分中的凸球 并且与凹面球接合，其中外滚筒的圆柱形表面满足以下条件：<？in-line-formula description =“In-line formula”end =“lead”？> W1> PCR（1-cosθ） / 2 + mu3R3 + mu2R1 <？in-line-formula description =“In-line Formulas”end =“tail”？> <？in-line-formula description =“In-line Formulas”end =“lead”？> W2> 3PCR（1-cosθ）/ 2-mu3R3 + mu2R1，<？in-line-formula description =“In-line Formulas”end =“tail”？>其中W1表示圆柱形表面的中心长度 的腿部轴线和外侧辊的圆筒状面与上侧锥形部的交点W2表示从腿部轴心的中心的圆筒面的长度， 外滚子的圆柱形表面和下侧锥形部分，θ表示最大关节角度。

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