Manual steering one-way valve of automobile power steering gear

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Manual steering one-way valve of automobile power steering gear

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CHEN CHENG

The invention discloses a manual steering one-way valve of an automobile power steering gear. The manual steering one-way valve of the automobile power steering gear comprises a power steering gear valve body, a manual steering one-way valve is arranged between an oil inlet channel and an oil return channel of the power steering gear valve body, and when the pressure of the oil return channel is higher than that of the oil inlet channel, oil in the oil return channel directly returns into the oil inlet channel through the manual steering one-way valve. When an engine flames out or a steering oil pump breaks down, oil return resistance of a steering system can be reduced, manual steering is achieved, and driving safety is guaranteed.

本发明公开了一种汽车动力转向器手力转向单向阀，包括动力转向器阀体，在动力转向器阀体的进油道和回油道之间设置一个手力转向单向阀，当回油道的压力高于进油道时，回油道的油液通过手力转向单向阀直接返回至进油道内；本发明可以在发动机熄火或转向油泵出现故障时，减小转向系统回油阻力，实现手力转向，保证行车安全。