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Joining comprising a counter path joint with limited axial displacement

An axial displacement, cardan shaft technology, applied in the field of cardan shafts, can solve the problem of losing no axial force or low axial force, and achieve the effect of good ball control conditions

Active Publication Date: 2011-03-30
GKN DRIVELINE INT GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the axial displacement path is too long, the effect of no axial force or low axial force will be lost

Method used

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  • Joining comprising a counter path joint with limited axial displacement
  • Joining comprising a counter path joint with limited axial displacement
  • Joining comprising a counter path joint with limited axial displacement

Examples

Experimental program
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Embodiment Construction

[0066] FIG. 1 will be comprehensively described below. The relative raceway joint 11 of the present invention comprises an outer joint part 12 with a forming base 13; an inner joint part 14 with an inserted shaft 15; a first outer ball raceway 16 and a first inner ball raceway 17 constitutes a pair of first raceways that open toward the base 13 in a first direction Ri1 on a joint center plane E; A second pair of raceways opening towards the shaft 15 in a second axial direction Ri2. Pairs of first and second raceway pairs are distributed about the circumference of the joint. The opening angle of the first pair of raceways 16 , 17 in the central plane E is given the symbol α and the opening angle of the second pair of raceways 18 , 19 in the central plane E is given the symbol β. Contains first ball 20 in raceway pair 1 and second ball 20 2 , the balls are held in a common central plane E in a ball cage 21 with cage windows 22 distributed along the circumference. Also shown...

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PUM

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Abstract

The invention relates to an articulated shaft comprising a first articulated joint, an intermediate shaft and a second articulated joint. The first articulated joint is a homocentric ball-and-socket joint (11) in the form of a counter path joint, comprising an external part (12) having first and second external ball paths (16, 18), an internal part (14) having first and second internal ball paths(17, 19). First external ball paths (16) form, with first internal ball paths (17), first path pairs (16, 17) which expand (a) in a first axial direction Ri1. Second external ball paths (18) form, with second internal bath paths (19), second path pairs (18, 19) which expand (ss) in a second axial direction Ri2.; Balls (20) which are guided in path pairs and the ball centre points thereof, which are located on a pitch circle radius about a joint centre point (M), are guided to a ball cage (21) which is joined to cage windows (2) which are distributed on the periphery thereof, wherein the balls(20) are maintained on a common central plane (E) and are guided onto the angle bisecting plane when the joint is displaced. According to the invention, axial plays are provided between the joint external part (12) and the ball cage (21) and between the ball cage (21) and the joint internal part (14), which enables relative axial displacement between the joint external part (12) and joint internal part (14).

Description

technical field [0001] The present invention relates to a cardan shaft comprising a first cardan joint, an intermediate shaft and a second cardan joint, wherein the first cardan joint is a synchronous spherical cardan in the form of a joint of opposing raceways connector. Background technique [0002] DE 100 60 120 A1 describes an opposing raceway type joint used as a first universal joint, in which it is assumed that the axial displacement path has to be defined with the control angle adjusted therein. The opposing raceway joint has no axial force in its axially central position and is therefore suitable for coupling small vibrations in the transmission system. However, if an axial displacement occurs under a torque load, an axial force is generated so that axial vibration may be transmitted. If the axial displacement path is too long, the effect of no axial force or low axial force will be lost. It is an object of the present invention to propose a cardan shaft applying...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16D3/223F16D3/224F16D3/2233F16D3/2237
CPCF16D3/224F16D3/2237F16D2003/22306F16D2003/22303F16D3/2233
Inventor T·威科林O·依瑞玛茨
Owner GKN DRIVELINE INT GMBH