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Constant speed universal joint and its assembling method

A constant velocity universal joint, axial extension technology, applied in the direction of anti-centrifugal force rotating parts, elastic couplings, mechanical equipment, etc., can solve the inconvenient application of constant velocity universal joints 1, it is impossible to reduce tripod journals 4 and inner ring 5 sliding resistance and other issues

Inactive Publication Date: 2007-06-20
HONDA MOTOR CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since it is impossible to reduce the sliding resistance between the tripod journal 4 and the inner race 5, the application of the constant velocity joint 1 involving the conventional technology is inconvenient

Method used

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  • Constant speed universal joint and its assembling method
  • Constant speed universal joint and its assembling method
  • Constant speed universal joint and its assembling method

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Embodiment Construction

[0086] Referring to FIGS. 1 and 2, wherein reference numeral 10 denotes a constant velocity joint according to a first embodiment of the present invention.

[0087] The constant velocity joint 10 basically includes: a cylindrical outer ring (outer member) 12 having an opening integrally connected to one end of a first shaft not shown; Element 16 , the inner element is placed in bore 14 of outer ring 12 .

[0088] As shown in FIG. 1 , three guide grooves 18 extend in the axial direction and are formed on the inner wall surface of the outer ring 12 at intervals of 120 degrees around the central axis. As shown in FIG. 2 , the guide groove 18 includes a top end portion 20 having a planar shape, and the guide groove 18 also includes side portions 22 a , 22 b disposed substantially perpendicularly to both sides of the top end portion 20 and opposite to each other. The side portions 22 a , 22 b each have a planar profile extending in the axial direction of the outer ring 12 .

[00...

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PUM

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Abstract

A constant velocity universal joint (10) comprises trunnions (28a, 28b, 28c) each of which expands toward a guide groove (18) and each of which is provided with a spherical surface (36) along a circumferential direction, inner rollers (42) each of which has a recess (40) having a spherical surface formed on an inner circumferential surface to make surface-to-surface contact corresponding to the spherical surface (36), and outer rollers (46) each of which is externally fitted to the inner roller (42) via needle bearings (44) and each of which is provided relatively displaceably with respect to the inner roller (42) along an axial direction (direction of the arrow B) of the trunnion (28a, 28b, 28c).

Description

[0001] The patent application for the present invention is a divisional application of the patent application whose application number is 99124757.4. technical field [0002] The present invention relates to a constant velocity universal joint in which a first transmission shaft and a second transmission shaft are combined in a driving force transmission portion of an automobile. The invention also relates to a method of assembling the universal joint. Background technique [0003] So far, constant velocity joints have been used in the driving force transmission part of automobiles to combine the first propeller shaft and the second propeller shaft of the car so that the rotational force can be transmitted to each shaft. [0004] A constant velocity joint involving conventional technology is shown in Fig. 67 and Fig. 68 (see published Japanese Patent Publication No. 7-103251). [0005] The above-mentioned constant velocity joint 1 includes rails 2 a and 2 b formed on the in...

Claims

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Application Information

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IPC IPC(8): F16D3/20F16D3/30F16D3/205
CPCF16D3/2055F16D2003/2023F16D2003/2026Y10S464/905F16D3/30
Inventor 工藤智中尾彰一川胜勉
Owner HONDA MOTOR CO LTD
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