JPS639015U

JPS639015U -

Info

Publication number: JPS639015U
Application number: JP10388886U
Authority: JP
Priority date: 1986-07-07
Filing date: 1986-07-07
Publication date: 1988-01-21

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例に係る車高調整装置
の油圧回路図、第２図は第１図の回路に使用され
る油圧ジヤツキの断面図、第３図は第２の油圧ジ
ヤツキに組み込まれたチエツク弁と絞りの拡大断
面図、第４図は他の実施例に係るチエツク弁と絞
りを組み込んだ圧力補償型流量調整弁の断面図、
第５図は従来の車高調整装置の油圧回路図である
。１，２，３，４……車体、９，１０，１１，１
２……油圧ジヤツキ、１３，１４，１５……回路
、２８，２９，３０，３１……絞り、３１，３２
，３３，３４……チエツク弁。 Fig. 1 is a hydraulic circuit diagram of a vehicle height adjustment device according to an embodiment of the present invention, Fig. 2 is a sectional view of a hydraulic jack used in the circuit of Fig. 1, and Fig. 3 is a hydraulic circuit diagram of a hydraulic jack used in the circuit of Fig. 1. FIG. 4 is an enlarged sectional view of a built-in check valve and throttle; FIG.
FIG. 5 is a hydraulic circuit diagram of a conventional vehicle height adjustment device. 1, 2, 3, 4...Car body, 9, 10, 11, 1
2... Hydraulic jack, 13, 14, 15... Circuit, 28, 29, 30, 31... Throttle, 31, 32
, 33, 34...Check valve.

Claims

[Scope of Claim for Utility Model Registration] (1) A hydraulic jack is provided between the vehicle body and the axle, and the hydraulic jack is connected to a hydraulic power source. A vehicle height adjustment device characterized in that a check valve and a throttle according to the shared pressure of the axle are provided in parallel in the middle. (2) The vehicle height adjustment device according to claim 1, wherein two hydraulic jacks, check valves, and throttles are provided on the front wheel side and two on the rear wheel side. (3) The vehicle height adjustment device according to claim 1, wherein a hydraulic jack, a check valve, and a throttle are provided, one on the front wheel side and one on the rear wheel side. (4) The hydraulic power source consists of a tank and a pump, and a check valve and a throttle are installed in parallel in the middle of the circuit that connects the tank and pump, and a two-stage throttle is formed by the hydraulic jack side throttle and the hydraulic source throttle. A vehicle height adjustment device according to claim 1, which has been registered as a utility model.