Universal joint is a mechanical part that realizes variable Angle power transmission and is used for changing the direction of the transmission axis. It is the "joint" part of the universal transmission device of the automobile drive system. The combination of universal joint and drive shaft is called universal joint transmission device.
The flywheel can store power, so what can transfer power? The answer is the drive shaft! The drive shaft is an important part of the transmission of power in the car drivetrain. Its role is to transfer the power of the engine to the wheels together with the gearbox and drive axle, so that the car produces driving force. The drive shaft is composed of shaft tube, telescopic sleeve and universal joint.