| 摘要 |
A bellows sealing structure for a steering system of a vehicle is provided to prevent infiltration of moisture and foreign matters by mounting an O-ring to a small diameter part of bellows for sealing a rack housing and a tie rod assembly, and to decrease manufacturing cost and increase the productivity by reducing assembling process. A steering system of a vehicle is composed of a hollow rack housing, a rack bar(20) extended out of the rack housing, a couple of tie rods(30) combined with both ends of the rack bar by an inner ball joint(40), and a couple of bellows(50) expanding and contracting axially and covering both ends of the rack bar and the tie rod. An installation groove(300) is recessed in the outer periphery of the tie rod, and the end of a small diameter part(54) of the bellows is inserted to the installation groove. A sealing member(80) is mounted between the installation groove and the small diameter part of the bellows and composed of a rubber O-ring.
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