Yoke for universal joint

A technology for universal joints and fastening parts, applied to rigid shaft couplings, elastic couplings, mechanical equipment, etc., can solve the problem of inability to completely prevent the bending of bolts 109, the complex shape of fastening parts 107, and fatigue resistance. (Decrease in durability and other issues, achieve the effect of reducing manufacturing cost, preventing bolt bending, and suppressing manufacturing cost
CN101501357AInactive Publication Date: 2009-08-05KOYO MASCH IND CO LTD
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Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Applications(China)
Current Assignee / Owner
KOYO MASCH IND CO LTD
Publication Date
2009-08-05
Estimated Expiration
Not applicable Β· inactive patent

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Abstract

A yoke for a universal joint, where deformation of a set of a fastening section and a bolt is prevented, increasing durability of the bolt. The yoke (1) for a universal joint has an insertion section (11) formed in a tubular shape with an opening in the direction of axis of a rotating shaft and into which one end of the rotating shaft is inserted, a first fastening section (13) and a second fastening section (14) as a pair of fastening sections (12) extended from the insertion section (11) so as to face each other with an opening of the insertion section (11) held in between, and a set of a bolt (16) and a nut (17) for tightening the pair of fastening sections (12) from both sides. When the pair of fastening sections (12) is fastened together, the rotation shaft inserted in the insertion section (11) is held and fixed. The bolt (16) is inserted in a through-hole (13a) of the first fastening section (13). The nut (17) is fitted in an engageable manner in a through-hole (14a) of the second fastening section (14), and that portion of the end face of the nut (17) which faces the first fastening section (13) is formed extended toward the first fastening section (13) such that a gap (S) between the extended portion and the first fastening section (13) has a predetermined width.
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Description

technical field

[0001] The present invention relates to a yoke for a universal joint connecting one end side of a rotating shaft. Background technique

[0002] A universal joint 100 connects 2 shafts whose axes cross at an angle, and is used to transmit torque from one shaft to the other, for example, as Figure 9 As shown, it is composed of a cross shaft 101 whose axes are perpendicular to each other and two yokes 102, 105 (first yoke 102 and second yoke 105), wherein the yokes 102, 105 are respectively connected to two shafts constituting the cross shaft 101. The ends are provided at the center of the axis so as to be able to swing freely, and are respectively connected to one end sides of the rotation shafts 111 and 112 .

[0003] Moreover, such a universal joint 100 is provided, for example, on a steering device of an automobile, and the steering device is configured to transmit the torque of a steering shaft 111 rotated by an operation of a steering wheel (handle) to th...

Claims

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