Fixed type constant-speed universal joint
A technology of constant velocity universal joints and internal components, which is applied to steering columns, steering controls installed on vehicles, and rotating parts that resist centrifugal force, etc., and can solve problems such as inability to rotate with freewheeling
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[0030] Below, according to Figure 1 to Figure 13 Embodiments of the present invention will be described.
[0031] Figure 1 to Figure 12 A case where the present invention is applied to an undercut type (UJ) which is a fixed type constant velocity universal joint is shown as an example.
[0032] like figure 1 As shown, the main structural elements of this type of constant velocity universal joint include: an outer wheel 1 as an outer member equipped with a spherical inner surface 1b forming a plurality of rail grooves 1a, and an outer wheel 1 equipped with a spherical outer surface 2b forming a plurality of rail grooves 2a Inner wheel 2, a plurality of balls 3 arranged in the ball track formed by the cooperation of the rail groove 1a of the outer wheel 1 and the rail groove 2a of the inner wheel 2 are arranged on the spherical inner surface 1b of the outer wheel 1 and the spherical outer surface of the inner wheel 2 The cages 4 between 2b have pockets for receiving balls 3...
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