The connection method between the steering gear and the steering wheel
Published Time:
2025/06/16
The connection method between the steering gear and the steering wheel plays a crucial role in the vehicle's steering system, ensuring that the driver can effectively control the vehicle's direction by operating the steering wheel. The following are common connection methods between the steering gear and the steering wheel:
Universal Joint Connection:
A universal joint is a connecting device that allows for angular changes between two shafts while transmitting torque.
In the steering system, the steering wheel is connected to the steering column via a universal joint, and the steering column is then connected to the steering gear.
This connection allows the steering wheel to rotate when operated by the driver, and this rotational motion is transmitted through the steering column and universal joint to the steering gear, thereby controlling the steering of the vehicle's front wheels.
Spline Connection:
A spline is a special type of mechanical connection consisting of a shaft with spline grooves and a mating spline sleeve.
In some steering systems, the steering wheel is directly connected to the steering column via a spline, or connected to an extension of the steering column via a spline connector.
Spline connections have high strength and precise rotational transmission characteristics, suitable for occasions requiring high torque transmission and precise steering control.
Bolt/Nut Connection:
In some designs, a bolt and nut may be used to secure the steering wheel and steering column.
This connection method is relatively simple, but may require additional locking devices to prevent loosening.
However, in modern vehicles, this connection method may be less common than universal joint or spline connections, as the latter offer better rotational flexibility and torque transmission capabilities.
Other Connection Methods:
In addition to the common connection methods mentioned above, other specific connection methods may exist, depending on the specific design and requirements of the automaker.
For example, some high-end models may use more complex electronic steering systems, where the connection between the steering wheel and the steering gear may be achieved through electronic sensors and motors, rather than traditional mechanical connections.
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