| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a valve device for restraining abrasion of a sliding part for sliding valve rods for intake air and exhaust gas. <P>SOLUTION: Since a leveling valve includes an operation arm 9 operating in response to operation of an air spring, the valve rods 11 and 12 for intake air and exhaust gas for opening-closing a part between an accumulator or an external part and the air spring by advancing-retreating in the axial direction by operation of the operation arm 9, an O ring 27 arranged between the respective valve rods 11 and 12, and a support member 16 for supporting the respective valve rods 11 and 12, and a range of a small diameter part 30 of a nut member 28 and a first opening part 17 of the support member 16 as a support part for slidably supporting the valve rods 11 and 12 on both sides in the axial direction by sandwiching the O ring 27, the abrasion of the sliding part for sliding the respective valve rods 11 and 12 can be restrained. <P>COPYRIGHT: (C)2012,JPO&INPIT |
