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Telescopable shaft and steering device for vehicle

A telescopic shaft and axial technology, which is applied to road vehicles, shafts and bearings, transportation and packaging, etc., can solve the problems of complex structure and high manufacturing cost, and achieve the effects of simplifying structure, reducing assembly workload and reducing manufacturing cost

Inactive Publication Date: 2008-09-03
JTEKT CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When this stopper is attached to each shaft or both shafts and positioned with snap rings, etc., the structure becomes complicated, and there is a problem that the manufacturing cost increases

Method used

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  • Telescopable shaft and steering device for vehicle
  • Telescopable shaft and steering device for vehicle
  • Telescopable shaft and steering device for vehicle

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0016] The most preferred embodiment of the present invention will be described with reference to the drawings.

[0017] figure 1 It is a schematic configuration diagram of a steering device for a vehicle in which a telescopic shaft is applied to an intermediate shaft according to an embodiment of the present invention. The vehicle steering device 1 has a steering shaft 3 connected to a steering member 2 such as a steering wheel, and an intermediate shaft 5 as a telescopic shaft connected to the steering shaft 3 via a universal joint 4 . In addition, the vehicle steering device 1 includes: a pinion shaft 7 connected to the intermediate shaft 5 via a universal joint 6; A rack 8 extending in the width direction of the vehicle as a rudder shaft

[0018] Using the pinion shaft 7 and the rack 8, a steering mechanism 50 constituted by a rack-and-pinion mechanism is provided.

[0019] In this embodiment, the explanation is based on the case where the telescopic shaft is applied to...

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PUM

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Abstract

A telescopable shaft (5) has an inner shaft (12) and a tubular shaft (13) that are fitted to each other so as to be relatively movable in an axis direction (X1) and to be able to transmit torque between each other. A row of rolling bodies (14) is interposed between corresponding axial grooves (15, 16) of the inner shaft (12) and the outer shaft (13). A retaining member (17) moving together with the rolling balls (14) while retaining the balls (14) has a facing section (33) facing an end surface (121) of the inner shaft (12). As the telescopable shaft (5) telescopes in and out, the facing section (33) comes into contact with the end surface (121) of the inner shaft (12), and this limits the movement of the rolling bodies (14) in the axial direction (X1).

Description

technical field [0001] The present invention relates to a telescopic shaft and a vehicle steering device using the same. Background technique [0002] The telescopic shaft is used, for example, as a steering shaft of a motor vehicle. [0003] In addition, the telescopic shaft is used as an intermediate shaft that connects the steering shaft of the car to the steering gear such as the rack and pinion mechanism. At this time, the telescopic function of the telescopic shaft is used to adjust the length of the intermediate shaft to absorb the relative displacement of the steering gear and the steering column when the vehicle is running. Alternatively, the telescopic function is used to adjust the length of the intermediate shaft when the intermediate shaft is mounted on the vehicle. [0004] In this kind of telescopic shaft, it is proposed that a plurality of rotatable balls are sandwiched between the corresponding axial grooves of the inner shaft and the cylindrical outer sha...

Claims

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Application Information

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IPC IPC(8): F16D3/06B62D1/20F16C3/035F16C29/04
CPCF16C3/035B62D1/20F16D3/065B62D1/16F16C29/04F16C2326/24F16C33/425F16C29/123F16C29/002
Inventor 角谷智司村长广行
Owner JTEKT CORP
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