| 摘要 |
PROBLEM TO BE SOLVED: To provide a technology that improves responsiveness of a valve body operated by operation of an actuator and enables quick adjustment of a vehicle height.SOLUTION: A vehicle height adjustment device includes: a third communication passage which guides an oil stored in a jack chamber to a reservoir chamber; a push rod 322 which is pushed by an operation rod 314 of a solenoid 310 to move; a valve body 321 which is seated on a seating surface to close the third communication passage and is pushed by the push rod 322 and separated from the seating surface to open the third communication passage; a pressing member 350 configured to push the valve body 321 so that the valve body 321 is seated on the seating surface, the pressing member 350 having a contact part and a shaft part which is disposed at an opposite side of the valve body 321 with respect to the contact part; a valve housing inner member 380 which houses the valve body 321 and the contact part therein and opens at the shaft part side of the pressing member 350; and a holding member 370 which is disposed at an opening part in the valve housing inner member 380, movably supports the shaft part of the pressing member 350, and includes an axial through hole communicating with the jack chamber.SELECTED DRAWING: Figure 3 |
