JPS61116248U

JPS61116248U -

Info

Publication number: JPS61116248U
Application number: JP20081684U
Authority: JP
Priority date: 1984-12-28
Filing date: 1984-12-28
Publication date: 1986-07-22

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例に係る油圧緩衝器の
油圧緩衝器本体と制御装置とを一部破断して示す
正面部分断面図、第２図は制御装置の他の実施例
を示す部分断面図、第３図は本考案の他の実施例
に係る油圧緩衝器の油圧緩衝器本体と制御装置と
を一部破断して示す正面部分断面図、第４図は制
御装置の他の実施例を示す部分断面図である。１，３…油圧緩衝器本体、２，４…制御装置、
１０，３０…シリンダ、１１，３１…ピストンロ
ツド、１２，３２…ピストン部、１３，３３…コ
ントロールバルブ、１７，３７…懸架ばね、２０
，４０…ケーシング、２１，２６…給気バルブ、
２２…操作バルブ、２３…シヤツトオフバルブ、
４１…ピストン、４２…操作ロツド、４３…螺合
部材、Ａ…上方油室、Ｂ…下方油室、Ｃ…空気室
、Ｄ…リザーバ室。 FIG. 1 is a partial front sectional view showing a hydraulic shock absorber main body and a control device of a hydraulic shock absorber according to an embodiment of the present invention, and FIG. 2 is a partial front view showing another embodiment of the control device. 3 is a front partial sectional view showing a hydraulic shock absorber main body and a control device of a hydraulic shock absorber according to another embodiment of the present invention, partially cut away, and FIG. 4 is a front partial cross-sectional view showing another embodiment of the control device. It is a partial sectional view showing an example. 1, 3... Hydraulic shock absorber main body, 2, 4... Control device,
DESCRIPTION OF SYMBOLS 10, 30... Cylinder, 11, 31... Piston rod, 12, 32... Piston part, 13, 33... Control valve, 17, 37... Suspension spring, 20
, 40...Casing, 21, 26...Air supply valve,
22...operation valve, 23...shutoff valve,
41...Piston, 42...Operation rod, 43...Screwing member, A...Upper oil chamber, B...Lower oil chamber, C...Air chamber, D...Reservoir chamber.

Claims

[Claims for Utility Model Registration] (1) A hydraulic shock absorber body having a control valve that can change the characteristics of the damping force generated when the piston rod slides, and that is formed so that the characteristics of the suspension spring can be changed. 1. A hydraulic shock absorber comprising: a control device configured to also enable operation of a control valve at the time of operation to change the characteristics of a suspension spring of the hydraulic shock absorber main body. (2) The main body of the hydraulic shock absorber has an air chamber, and is formed so that the characteristics of the suspension spring can be changed by supplying pressurized air to the air chamber Claim 1 Hydraulic shock absorber as described. (3) A request for utility model registration in which the main body of a hydraulic shock absorber has an oil chamber outside the cylinder, and the characteristics of the suspension spring can be changed by supplying pressure oil to the oil chamber. Hydraulic shock absorber according to scope 1. (4) The control device has an air supply valve that supplies pressurized air into the air chamber of the hydraulic shock absorber body, and an operation valve that operates the control valve of the hydraulic shock absorber body, and when the air supply valve is opened, the operation valve The hydraulic shock absorber according to claim 1, wherein the hydraulic shock absorber is formed so as to be interlocked with each other via a pilot passage. (5) The control device includes an air supply valve that supplies pressurized air into the air chamber of the hydraulic shock absorber main body, and an operating valve that operates the control valve of the hydraulic shock absorber main body, and the air supply valve and the operating valve A hydraulic shock absorber according to claim 1, wherein a shutoff valve is disposed in a pilot passage communicating with the hydraulic shock absorber. (6) The control device is configured to supply pressure oil into the oil chamber formed outside the cylinder of the hydraulic shock absorber body, and is configured to use the driving force of the operating rod to move the piston when the pressure oil is supplied. The hydraulic shock absorber according to claim 1, which is configured to actuate a control valve within the hydraulic shock absorber body. (7) The control device is configured to supply pressure oil into the oil chamber formed outside the cylinder of the hydraulic shock absorber body, and is configured to act on the sliding force of the threaded member that moves the piston when the pressure oil is supplied. The hydraulic shock absorber according to claim 1, which is configured to actuate a control valve within the hydraulic shock absorber body. (8) The control device is configured to supply pressurized air into the air chamber of the hydraulic shock absorber main body, and when the pressure air is supplied, the inside of the hydraulic shock absorber main body is controlled by the sliding force of the threaded member that moves the piston. The hydraulic shock absorber according to claim 1, which is configured to actuate a control valve.