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Steering hydraulic cylinder and vehicle having same

A technology for steering hydraulics and steering knuckles, which is applied to vehicle components, steering mechanisms, steering rods, etc., and can solve problems such as room for improvement, breakage of steering knuckles and latches, and potential safety hazards

Active Publication Date: 2022-02-08
BYD CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the steering hydraulic cylinder is in this working environment for a long time, weak points such as the steering knuckle and the latch are prone to breakage, posing safety hazards and room for improvement

Method used

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  • Steering hydraulic cylinder and vehicle having same
  • Steering hydraulic cylinder and vehicle having same
  • Steering hydraulic cylinder and vehicle having same

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Embodiment Construction

[0028] Embodiments of the invention are described in detail below, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

[0029] In the description of this specification, descriptions referring to the terms "one embodiment", "some embodiments", "example", "specific examples", or "some examples" mean that specific features described in connection with the embodiment or example , structure, material or characteristic is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the described specific features, structures, materials or characteristics may be combined in any suitable manner in any one or more embodiments or e...

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PUM

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Abstract

The invention discloses a steering hydraulic cylinder and a vehicle thereof. The steering hydraulic cylinder includes a cylinder barrel, a piston rod and a piston. The piston is movably arranged in the cylinder barrel. The piston and the piston rod are rotatably connected around a rotation axis, and the rotation axis coincides with the central axis of the cylinder barrel. According to the steering hydraulic cylinder of the embodiment of the present invention, when the vehicle is turning, the piston can rotate around the rotation axis alone, thereby reducing the torsional force on the steering hydraulic cylinder, improving the working environment of the steering hydraulic cylinder, and reducing the pressure of the vehicle during steering operations. Noise, and reduce the degree of torsional deformation of the steering knuckle and latch of the vehicle, prolong the service life of the steering knuckle, latch and steering hydraulic cylinder.

Description

technical field [0001] The invention relates to the field of vehicle manufacturing, in particular to a steering hydraulic cylinder and a vehicle with the steering hydraulic cylinder. Background technique [0002] In the related art, the steering system in the vehicle is provided with a steering hydraulic cylinder, and the piston rod of the steering hydraulic cylinder is connected with the steering knuckle of the vehicle through a bolt. When the vehicle turns, the piston rod of the steering hydraulic cylinder will be subjected to a large torsion force, so that the piston rod, pin and steering knuckle will be twisted and deformed, resulting in an increase in the fit clearance between the steering knuckle and the piston rod, and between the pin and the steering knuckle , so that the impact occurs during the steering process of the vehicle to generate noise. If the steering hydraulic cylinder is in this working environment for a long time, weak points such as the steering knuck...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F15B15/14B62D7/18
CPCF15B15/1423B62D7/18F15B2215/30
Inventor 张华平周文会
Owner BYD CO LTD
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