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Steering system for motor vehicles

A steering system and motor vehicle technology, applied in the field of steering system, can solve the problems of slow steering system, poor wheel reset, high wear, etc., and achieve the effect of effective sealing scheme

Inactive Publication Date: 2016-01-20
ROBERT BOSCH AUTOMOTIVE STEERING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In steering systems of the type known from the prior art, there is the problem that the previously finely adjusted play of the pressure part is changed when the connecting part is screwed to the rack.
resulting in high wear
In addition, distance tolerances between rack and piston rod cannot be compensated
This can lead to sluggishness of the steering and poor return of deflected wheels

Method used

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  • Steering system for motor vehicles
  • Steering system for motor vehicles
  • Steering system for motor vehicles

Examples

Experimental program
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Embodiment Construction

[0017] figure 1 Shown is a steering system 10 for a motor vehicle not shown in detail here, in particular for a truck, which has a transmission rod 12 and an output rod 11, wherein the output rod 11 is a piston rod, the piston The rod is loaded with a certain hydraulic pressure via the hydraulic valve 13, and the transmission rod 12 is a rack or a screw of a recirculating ball transmission. The transmission rod 12 and the output rod 11 are connected to each other by a connecting piece 14 . The thrust generated in the transmission rod 12 can be transmitted to the output rod 11 via the connecting piece 14 .

[0018] A spherical plain bearing 30 with an inner ring 31 and an outer ring 32 is arranged in the connecting part 14 (see figure 2 and 3 ). By allowing and not obstructing the angle deviation, the angular deviation of the transmission rod 12 and the output rod 11 from the parallelism can be compensated by the joint bearing 30 . Furthermore, the spherical plain bearing...

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Abstract

The invention relates to a steering system (10) for a motor vehicle, in particular for a truck, comprising a hydraulic power-assisted support system, wherein an output rod (11) and a drive rod (12) are arranged at least approximately parallel to each other and are connected to each other by a connection element (14). Distance tolerances between the drive rod and the output rod, and an angle by which the drive rod and the output rod deviate from parallelism relative to each other, cannot be compensated for in the prior art. According to the invention, the drive rod (12) is thus mounted in the connection element (14) such that the rod can be rotated about the longitudinal axis thereof and pivoted relative to the output rod (11).

Description

technical field [0001] The invention relates to a steering system for a motor vehicle, in particular a truck or a bus, with hydraulic power assist, in which a transmission rod and an output rod are arranged at least approximately parallel to each other and via a connecting element interconnected. Background technique [0002] In steering systems of the type known from the prior art, there is the problem that the previously finely adjusted pressure part play is changed when the connecting part is screwed to the rack. In order to correct the change in the clearance of the pressure part, the threaded connection has to be loosened and retightened several times. This measure is unacceptable for series assembly. When the connecting element is screwed to the toothed rack, it can also occur that the toothed rack is twisted so that the engagement between the pinion and the toothed rack is not uniform, but only engages at the edges. This results in high wear. Furthermore, distance...

Claims

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Application Information

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IPC IPC(8): B62D5/22
CPCB62D5/22
Inventor M·黑格勒M·格罗伊特
Owner ROBERT BOSCH AUTOMOTIVE STEERING
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