| 摘要 |
The present invention relates to a rotary valve for vehicle power steering gear, comprising a worm shaft, a lower sealing ring, a locking nut, a lower outer ring, an upper outer ring, an intermediate sealing ring, an upper sealing ring, an input shaft, a valve housing, steel balls, and an adjusting nut; wherein an outer ring bearing is disposed between the lower sealing ring and the intermediate sealing ring, or between the intermediate sealing ring and the upper sealing ring. The operational pressure of the power steering gear can be increased, thus allowing a higher pressure of the steering system to be selected in the configuration of the whole vehicle, so that a power steering gear with a relatively small volume can be selected, thereby making the configuration of the whole vehicle easier, and more compact.
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