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Unit for vehicle steering system

A control system and vehicle technology, which is applied to the steering control, steering column, steering mechanism and other directions installed on the vehicle, and can solve problems such as difficulty in centering

Inactive Publication Date: 2016-11-30
NTN CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, there is still room for improvement in terms of the difficulty of centering the input shaft 105 and the output shaft 106, which are important for the stable operation of the clutch 104.

Method used

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  • Unit for vehicle steering system
  • Unit for vehicle steering system
  • Unit for vehicle steering system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0019] based on figure 1 , figure 2 A unit for a vehicle steering system according to a first embodiment of the present invention will be described. In the vehicle steering system shown in the figure, usually the steering wheel 1 of the car and the pinion 3 of the rack and pinion 2 are not mechanically connected via the clutch 4, but the steering angle of the steering wheel 1 is replaced by an electric signal, and the electric signal is used based on the electric signal. A steering actuator (not shown) automatically controls the steering angle of the steered wheels 5 and also automatically controls the reaction motor 6 to apply an appropriate steering reaction force to the steering wheel 1 . When an abnormality occurs in the electric steering actuator, the reaction motor 6, etc., the steering wheel 1 and the pinion 3 can be connected by the clutch 4, and the steering wheel 1 can be directly used for steering.

[0020] The first shaft 7 is connected to the steering wheel 1 ...

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PUM

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Abstract

The present invention addresses the problem of making a clutch more stable to operate, the clutch being assembled between the steering wheel and the pinion of a vehicle steering system. A unit for a vehicle steering system is provided with: a first shaft (7) connected to a steering wheel (1), or a second shaft (9) connected to the pinion (3) of a rack-and-pinion device (2); and a clutch (4) assembled in a rotation transmitting path between the first shaft (7) and the second shaft (9). The input shaft (10) of the clutch (4) and the first shaft (7), or the output shaft (11) of the clutch (4) and the second shaft (9) are coaxially affixed.

Description

technical field [0001] The present invention relates to a unit for a vehicle steering system for constructing a path for transmitting rotation from a steering wheel to a rack and pinion. Background technique [0002] In recent years, steering systems of a steer by wire type have been developed and applied to automobiles. In the steer-by-wire method, usually the steering wheel of the car and the pinion of the rack and pinion are not mechanically connected through a clutch, but the steering angle of the steering wheel is replaced by an electrical signal, and the controller drives the steering actuator based on the electrical signal. Accordingly, the steering angle of the steered wheels is controlled, and the controller controls the reaction force motor to apply an appropriate steering reaction force to the steering wheel. In case of abnormality in the steering actuator, reaction motor, etc., the steering wheel and gears can be connected by a clutch, and the steering wheel can...

Claims

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Application Information

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IPC IPC(8): B62D5/04B62D3/12
CPCB62D5/001B62D5/003B62D1/20B62D3/12B62D5/0403
Inventor 北山直嗣福成真理名佐藤光司斋藤隆英
Owner NTN CORP