Universal joint

Universal joint

  • CN 101,813,139 A
  • Filed: 02/18/2010
  • Published: 08/25/2010
  • Est. Priority Date: 02/18/2009
  • Status: Active Application
First Claim
Patent Images

1. three universal joints comprise:

  • First rotatable shaft member with first longitudinal axis and housing, described housing has and is parallel to the described first longitudinal axis setting and along circumferential three longitudinal guide passages opening spaced equally from each other by, in described three longitudinal guide passages each all limited by two relative concave flanks and a bottom surface, radially towards interior, the relative concave flanks of each guiding channel is provided with in parallel to each other and circumferentially separates with respect to external drive parts edge by the bottom surface of described guiding channel with respect to described first longitudinal axis in the bottom surface of each guiding channel;

    Have second longitudinal axis and comprise second rotatable shaft member of cross axle, described cross axle has three lugs that radially extend, described lug is opened and is located on the corresponding coplane longitudinal axis that place, spider center and described second longitudinal axis intersect along circumferentially spaced equally from each other by, and each lug all has and is arranged in the relevant longitudinal guide passage and towards the convex external surface of the relative concave flanks of described longitudinal guide passage;

    WithThree rotatable rollers, each roller can be rotatably set on the convex external surface of respective ledge and is configured to tilt and rotation and slide along the longitudinal axis of described lug around described lug, each roller all has convex external surface and internal surface, described convex external surface is configured to be arranged in the concave flanks of the longitudinal guide passage that is associated with it so that engagement movably in described passage, and described internal surface can be rotatably set on the convex surface of described lug.

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