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Steering mechanism for motor vehicles

A technology of steering mechanism and motor vehicle, applied in electric steering mechanism, mechanical steering gear, etc., can solve problems such as limitation of structural space degree of freedom

Active Publication Date: 2018-04-06
THYSSENKRUPP PRESTA SHANGHAI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the degree of freedom of construction space is greatly restricted because the power-assist torque is transmitted to the area of ​​the input shaft

Method used

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  • Steering mechanism for motor vehicles
  • Steering mechanism for motor vehicles
  • Steering mechanism for motor vehicles

Examples

Experimental program
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Effect test

Embodiment Construction

[0019] figure 1 It is a schematic diagram of a steering mechanism with two pinions, two drive motors and a steering pinion, including a steering wheel 1, which is connected with an upper steering shaft 2 and a lower steering shaft 3 in a non-rotatable manner. The lower steering shaft 3 is further connected to the first steering pinion 4 in a non-rotatable manner. The first steering pinion 4 meshes with the first toothed segment 5 of the steering rack 6 in the manner already known. The steering rack 6 is movably mounted in the steering housing along its longitudinal axis. At its free end, the steering rack 6 is connected to a tie rod 7 via an unillustrated conical drive. The tie rods 7 are each connected via journals to a steered wheel 8 of the motor vehicle in a known manner. The rotation of the steering wheel 1 through the connection of the upper steering shaft 2 and the lower steering shaft 3 and the first steering pinion 4 results in a longitudinal movement of the steeri...

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PUM

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Abstract

The invention relates to a steering mechanism for a motor vehicle. The steering mechanism is provided with a steering device shell, a steering toothed bar is movably installed in the shell, and the steering toothed bar and vehicle wheels are connected for swing of the steering vehicle wheels. The steering toothed bar is provided with a first toothed section meshed with a first small steering gear of a small gear shaft, and the small gear shaft is directly connected with a steering wheel through an input shaft. The steering toothed bar is provided with a second toothed section meshed with a second small gear, the steering toothed bar is provided with a third toothed section which is opposite to the second toothed section based on the longitudinal axis of the steering toothed bar, and meanwhile a third small gear is arranged and meshed with the third toothed section.

Description

technical field [0001] The invention relates to a steering mechanism, in particular to a steering mechanism for motor vehicles. Background technique [0002] For larger and heavier vehicles such as so-called mid-size cars, luxury cars, off-road vehicles and light commercial vehicles, a preferred design of electronic power steering for motor vehicles is specified, for which the power steering is The two pinions lead to the steering rack. There is also a steering mechanism for which, in addition to the meshing of the steering pinion, a spherical thread is provided on the steering toothed rod, which thread is connected to the servomotor via a spherical thread pinion. Here, the steering power is transferred to the steering rack via a ball screw. This reduces the load on the steering pinion. Steering gears that include spherically threaded pinions that act on the steering rack are relatively expensive. [0003] In DE 10 2010 027 553 A1 a compact and inexpensive steering gear ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B62D3/12B62D5/04
Inventor 卢斌刘庆赫斯曼·理查德斯德克·菲利普西特·阿恩
Owner THYSSENKRUPP PRESTA SHANGHAI
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