The steering knuckle is a vital component in the automobile suspension system. It plays a vital role in the vehicle's steering control and the stability of the suspension system. This article will introduce the definition, function, structure and working principle of steering knuckle to help readers better understand the operating principle of the automobile suspension system.

1. Definition and function

The steering knuckle, also known as the wheel knuckle, is one of the key components in the suspension system that connects the front wheels to the steering system. It allows the wheels to have the necessary free movement when turning, and transmits the steering force and steering angle through the connecting rod to complete the vehicle's steering control. The steering knuckle bears huge suspension and driving forces, as well as braking forces and lateral loads, so its strength and reliability are crucial to the vehicle's handling and driving safety.

2. Structure and composition

The steering knuckle usually consists of two parts: the bearing seat and the rocker arm. The bearing seat is fixed on the vehicle's suspension structure and connected to the rocker arm through the journal. The hub shaft on the rocker arm moves through the bearings on the bearing seat to ensure the free change of the steering angle. At the same time, the rocker arm is also connected to the tie rod or stay rod of the suspension system to complete the transmission of steering force.

3. Working principle

When the driver turns the steering wheel, the steering knuckle transmits steering force through the connecting rod or strut, causing the wheel to turn in the desired direction. This force is transmitted to the wheels through the rocker arms and bearing seats, thereby achieving the steering action of the vehicle. The design of the steering knuckle allows the wheel to maintain sufficient stability and load-bearing capacity when turning, so as to cope with various road conditions and driving environments.

4. Maintenance and maintenance of steering knuckle

The steering knuckle is one of the components in the automobile suspension system that is subject to high pressure and load, so its maintenance and upkeep are particularly important. Regularly checking the steering knuckle for cracks, deformation or looseness, troubleshooting abnormalities and replacing problematic parts in a timely manner can ensure the stability of the suspension system and driving safety.

The steering knuckle is a vital component of the automobile suspension system. It plays a key role in the vehicle's steering control and the stability of the suspension system. Understanding the definition, function, structure and working principle of steering knuckle is very helpful for understanding the operating principle and maintenance of automobile suspension systems. I hope this article will give readers a deeper understanding of steering knuckle and play a positive role in promoting safe driving of vehicles.