Steering knuckle of vehicle turning wheel, steering device and vehicle

Patent metadata

Field	Value
Publication number	US-10940885-B2
Application number	US-201916391435-A
Country	US
Kind code	B2
Filing date	Apr 23, 2019
Priority date	Sep 5, 2018
Publication date	Mar 9, 2021
Grant date	Mar 9, 2021

Abstract

A steering knuckle of a vehicle turning wheel, a steering device and a vehicle. The steering knuckle includes a steering end connected to a turning wheel and a driving end connected to a steering driving component of the turning wheel, in which the driving end is located above or below the side of the steering end; the steering end is provided with a first connecting hole, and the driving end is provided with a second connecting hole; the axis of the second connecting hole and the axis of the first connecting hole are in the same plane, and the axis of the second connecting hole is not parallel to the axis of the first connecting hole.

First claim

The invention claimed is:

1. A steering device of a turning wheel of a vehicle, wherein the steering device comprises a steering driving component and a steering knuckle,
wherein the steering knuckle comprises a steering end connected to the turning wheel and a driving end connected to the steering driving component, wherein the driving end is located above or below a side of the steering end, the steering end and the driving end are fixedly connected, the steering end is provided with a first connecting hole, and the driving end is provided with a second connecting hole,
wherein an axis of the second connecting hole and an axis of the first connecting hole are in the same plane, and the axis of the second connecting hole is not parallel to the axis of the first connecting hole,
wherein the steering driving component comprises a fixing portion and a driving portion, one end of the fixing portion is mounted with the driving portion, the fixing portion is connected to a vehicle body of the vehicle, the driving portion is fixedly connected to the second connecting hole, and when the driving portion rotates, the steering knuckle rotates with a rotation of the driving portion,
wherein the steering driving component is a motor, a housing of the motor is the fixing portion, and an output shaft of the motor is the driving portion,
wherein a lower end of the housing of the motor is provided with a bearing, the output shaft is rotatably inserted in the bearing and connected to the steering knuckle through the bearing, the steering device is further provided with an axial fixing part for fixing the steering knuckle and the steering driving component, the axial fixing part is fixedly sleeved on a lower end of the output shaft, and an upper end of the axial fixing part abuts against a bottom end of the steering knuckle.

2. The steering device according to claim 1 , wherein the steering knuckle further comprises a damping end connected to the vehicle body of the vehicle, wherein the damping end is located above the side of the steering end, the driving end is located below the side of the steering end, the damping end is provided with a third connecting hole connected to the vehicle body, the axis of the second connecting hole and an axis of the third connecting hole are located in the same line, the damping end, the steering end and the driving end are all fixedly connected, and the damping end, the steering end and the driving end form a C-shape.

3. The steering device according to claim 2 , wherein the axis of the first connecting hole, the axis of the second connecting hole and the axis of the third connecting hole are all in the same plane, the axis of the second connecting hole and the axis of the third connecting hole are non-perpendicularly intersected with the axis of the first connecting hole, an upper ends of the axis of the second connecting hole and an upper end of the axis of the third connecting hole tilt a preset angle to a side away from the first connecting hole.

4. The steering device according to claim 2 , wherein the steering device further comprises an upper cross arm and a lower cross arm, the upper cross arm is disposed above the steering knuckle and is connected with the damping end, the lower cross arm is disposed below the steering knuckle and is connected with the fixing portion, the upper cross arm is configured to rotate up-and-down or back-and-forth with a connection point of the upper cross arm and the damping end as a pivot, the lower cross arm is configured to rotate up-and-down with a connection point of the lower cross arm and the fixing portion as a pivot, a damper is disposed between the upper cross arm and the lower cross arm, the damper is located at a side of the motor facing away from the first connecting hole, a lower end of the damper is connected to the lower cross arm, and a preset force direction of the damper is a vertical direction.

5. The steering device according claim 1 , wherein the steering knuckle further comprises at least two brake caliper mounting portions, wherein the brake caliper mounting portions are disposed on the side of the steering end, and the brake caliper mounting portions are provided with at least one mounting hole.

6. A vehicle, comprising a turning wheel and a steering device, wherein the steering device comprises a steering driving component and a steering knuckle,
wherein the steering knuckle comprises a steering end connected to the turning wheel and a driving end connected to the steering driving component, wherein the driving end is located above or below a side of the steering end, the steering end and the driving end are fixedly connected, the steering end is provided with a first connecting hole, and the driving end is provided with a second connecting hole,
wherein an axis of the second connecting hole and an axis of the first connecting hole are in the same plane, and the axis of the second connecting hole is not parallel to the axis of the first connecting hole,
wherein the steering driving component comprises a fixing portion and a driving portion, one end of the fixing portion is mounted with the driving portion, the fixing portion is connected to a vehicle body of the vehicle, the driving portion is fixedly connected to the second connecting hole, and when the driving portion rotates, the steering knuckle rotates with a rotation of the driving portion,
wherein the steering driving component is a motor, a housing of the motor is the fixing portion, and an output shaft of the motor is the driving portion,
wherein a lower end of the housing of the motor is provided with a bearing, the output shaft is rotatably inserted in the bearing and connected to the steering knuckle through the bearing, the steering device is further provided with an axial fixing part for fixing the steering knuckle and the steering driving component, the axial fixing part is fixedly sleeved on a lower end of the output shaft, and an upper end of the axial fixing part abuts against a bottom end of the steering knuckle,
wherein an axle of the turning wheel is coupled to the steering knuckle by the first connecting hole.

Assignees

• Citic Dicastal Co Ltd

Inventors

• Xu Zuo
• Du Dexi
• Wang dadong
• Liu Weidong
• Wang Shaoqian
• Xu Shiwen
• Zhu Zhihua

Classifications

• B62D5/0418 Primary

  Electric motor acting on road wheel carriers · CPC title

• B60G2200/44

  steerable · CPC title

• B62D5/04

  electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear · CPC title

• B60G2202/42

  Electric actuator · CPC title

• B60G2200/144

  with two lateral arms forming a parallelogram · CPC title