JPS61170734U

JPS61170734U -

Info

Publication number: JPS61170734U
Application number: JP5414585U
Authority: JP
Priority date: 1985-04-11
Filing date: 1985-04-11
Publication date: 1986-10-23

Description

[Brief explanation of the drawing]

第１図は本考案による流体ダンパの一つの実施
例を軸線に沿つて切断して示す断面図、第２図は
第１図に示された実施例の要部を示す拡大部分断
面図、第３図は本考案による流体ダンパの他の一
つの実施例の隔壁要素を示す拡大部分断面図、第
４図は本考案による流体ダンパの更に他の一つの
実施例を軸線に沿つて切断して示す第１図と同様
の断面図である。１……インナシリンダ、２……アウタシリンダ
、３……軸線、４……ピストン、５……ピストン
ロツド、６……隔壁要素、７……ロツドガイド、
８……エンドキヤツプ、９……オイルシール、１
０……第一のシリンダ室、１１……第二のシリン
ダ室、１２……エンドキヤツプ、１３……第三の
シリンダ室、１４……第四のシリンダ室、１５…
…シールリング、１６……補強部材、１７，１８
……畝部、１９……絞り通路、２０……第一の孔
、２１……第二の孔、２６……第三の孔、２７…
…第四の孔、２８……袋体、３０……ストツパ、
３１……絞り通路、３２……逆止弁、３３……取
付アイ、３４……カバーシエル、３５……取付ア
イ、３６……隔壁要素、３７……円筒部材、３８
，３９……環状溝、４０，４１……Ｏリングシー
ル、４２……ピストンロツド、４３……ストツパ
、４４……ロツドガイド、４５……エンドキヤツ
プ、４６……オイルシール、４７……ブラケツト
、４８，４９……溝。 FIG. 1 is a sectional view taken along the axis of one embodiment of a fluid damper according to the present invention; FIG. 2 is an enlarged partial sectional view showing the main parts of the embodiment shown in FIG. 1; FIG. 3 is an enlarged partial sectional view showing a partition element of another embodiment of the fluid damper according to the present invention, and FIG. 4 is a cross-sectional view of still another embodiment of the fluid damper according to the present invention, cut along the axis. FIG. 2 is a cross-sectional view similar to FIG. 1 shown in FIG. DESCRIPTION OF SYMBOLS 1... Inner cylinder, 2... Outer cylinder, 3... Axis line, 4... Piston, 5... Piston rod, 6... Bulkhead element, 7... Rod guide,
8... End cap, 9... Oil seal, 1
0...First cylinder chamber, 11...Second cylinder chamber, 12...End cap, 13...Third cylinder chamber, 14...Fourth cylinder chamber, 15...
... Seal ring, 16 ... Reinforcement member, 17, 18
... ridge, 19 ... throttle passage, 20 ... first hole, 21 ... second hole, 26 ... third hole, 27 ...
...Fourth hole, 28...Bag body, 30...Stopper,
31... Throttle passage, 32... Check valve, 33... Mounting eye, 34... Cover shell, 35... Mounting eye, 36... Partition element, 37... Cylindrical member, 38
, 39... Annular groove, 40, 41... O-ring seal, 42... Piston rod, 43... Stopper, 44... Rod guide, 45... End cap, 46... Oil seal, 47... Bracket, 48, 49...Groove.

Claims

[Scope of utility model registration request]

an inner cylinder and an outer cylinder arranged concentrically with each other along an axis; a piston fitted into the inner cylinder so as to be able to reciprocate along the axis; and a piston arranged between both ends of the inner cylinder and the outer cylinder. a partition element fixedly disposed between and fluid-tightly engaged with the inner cylinder and the outer cylinder; and a partition element fixed to one end of the inner cylinder and the outer cylinder and cooperating with the inner cylinder and the piston. a first end cap element defining a first cylinder chamber and cooperating with the inner cylinder, the outer cylinder, and the bulkhead element to define a second cylinder chamber; fixed to the other end of the outer cylinder, and cooperates with the inner cylinder and the piston to define a third cylinder chamber, and cooperates with the inner cylinder, the outer cylinder, and the partition element to define a fourth cylinder chamber. a second end cap element defining a second end cap element, a throttle passage communicating and connecting the first and second cylinder chambers with each other, and a first cylinder chamber provided in the inner cylinder adjacent to the one end thereof; and a first hole that is provided in the inner cylinder adjacent to the other end thereof and that communicates and connects the third cylinder chamber and the fourth cylinder chamber. a second hole provided in the inner cylinder closer to the one end than any part of the partition element; and a third hole provided in the inner cylinder closer to the other end than any part of the partition element. a fourth hole provided in the inner cylinder, and the third and fourth holes are configured to be substantially closed by the piston when the piston is within a predetermined axial position range. fluid damper.