JPH0398344U - - Google Patents
Info
- Publication number
- JPH0398344U JPH0398344U JP599190U JP599190U JPH0398344U JP H0398344 U JPH0398344 U JP H0398344U JP 599190 U JP599190 U JP 599190U JP 599190 U JP599190 U JP 599190U JP H0398344 U JPH0398344 U JP H0398344U
- Authority
- JP
- Japan
- Prior art keywords
- chamber
- cylinder tube
- base
- passageway
- upper chamber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000012530 fluid Substances 0.000 claims description 8
- 238000013016 damping Methods 0.000 claims description 7
- 239000006096 absorbing agent Substances 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 230000035939 shock Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000006837 decompression Effects 0.000 description 1
Landscapes
- Fluid-Damping Devices (AREA)
Description
第１図は本考案第１実施例の液圧緩衝器の流体
流路を示す回路図、第２図は第１実施例の液圧緩
衝器の全体を示す断面図、第３図は第１実施例の
要部であるロツドガイド部を示す拡大断面図、第
４図は第１実施例の要部であるベース部を示す拡
大断面図、第５図は第１実施例の流体流路を示す
回路図、第６図は発生減衰力と下部室の流体圧力
とシールハウジング内の流体圧力との関係を示す
グラフであつて、第６図イは減衰力変化を示すグ
ラフ、第６図ロは下部室内の流体圧力変化を示す
グラフ、第６図ハはシールハウジング内の流体圧
力変化を示すグラフ、第７図は本考案第２実施例
の要部であるベース部を示す拡大断面図、第８図
は第７図の−断面図、第９図は第７図の−
断面図、第１０図は第７図の−断面図、第
１１図は第２実施例の流体流路を示す回路図であ
る。
１……シリンダチユーブ、２……ガイド部材、
２ａ……ロツド挿通口、２ｂ……減圧シール、２
ｄ……下部連通路、２ｅ……圧抜き用のチエツク
流路、３……ベース、４ａ……オイルシール、４
ｂ……シールハウジング、５……ピストン、６…
…ピストンロツド、１１……アウタチユーブ、１
５……第２減衰バルブ（減衰力発生手段）、２１
……第１減衰バルブ（減衰力発生手段）、２２ｂ
……第１チエツク流路（チエツク流路）、２２ｃ
……ベース連通路（伸側・圧側連通路）、Ａ……
上部室、Ｂ……下部室、Ｃ……外側室、Ｄ……リ
ザーバ室、……圧側連通路、……伸側連通路
。
FIG. 1 is a circuit diagram showing the fluid flow path of the hydraulic shock absorber according to the first embodiment of the present invention, FIG. 2 is a cross-sectional view showing the whole hydraulic shock absorber according to the first embodiment, and FIG. Fig. 4 is an enlarged sectional view showing the rod guide part which is the main part of the embodiment, Fig. 4 is an enlarged sectional view showing the base part which is the main part of the first embodiment, and Fig. 5 shows the fluid flow path of the first embodiment. The circuit diagram and FIG. 6 are graphs showing the relationship between the generated damping force, the fluid pressure in the lower chamber, and the fluid pressure in the seal housing. FIG. 6C is a graph showing changes in fluid pressure in the lower chamber; FIG. Figure 8 is a cross-sectional view of Figure 7, and Figure 9 is a cross-sectional view of Figure 7.
FIG. 10 is a cross-sectional view taken from FIG. 7, and FIG. 11 is a circuit diagram showing the fluid flow path of the second embodiment. 1... Cylinder tube, 2... Guide member,
2a... Rod insertion port, 2b... Decompression seal, 2
d...Lower communication path, 2e...Check flow path for pressure relief, 3...Base, 4a...Oil seal, 4
b... Seal housing, 5... Piston, 6...
... Piston rod, 11 ... Outer tube, 1
5...Second damping valve (damping force generating means), 21
...First damping valve (damping force generating means), 22b
...First check flow path (check flow path), 22c
...Base communication path (growth side/compression side communication path), A...
Upper chamber, B...Lower chamber, C...Outer chamber, D...Reservoir chamber,...Compression side communication path,...Elongation side communication path.
Claims (1)
ースが上端に設けられたシリンダチユーブと、 該シリンダチユーブ内を上部室と下部室に画成
し、ロツド挿通穴からシリンダチユーブ内に挿通
したピストンロツドに連結されたピストンと、 前記シリンダチユーブを囲んで設けられ、シリ
ンダチユーブ外周に下部連通路を介して下部室に
連通した外側室を形成すると共に、シリンダチユ
ーブの上側にベースによつて外側室及び上部室と
画成されたリザーバ室を形成するアウタチユーブ
と、 前記ベースに形成され、圧側行程時に上部室の
流体を減衰力発生手段を介して外側室に流通させ
る圧側連通路、伸側行程時に外側室の流体を減衰
力発生手段を介して上部室もしくはリザーバ室に
流通させる伸側連通路、及び、リザーバ室を上部
室に連通するチエツク流路と、 前記ピストンロツドの外周面に当接してロツド
挿通穴内に設けられた減圧シール及び該減圧シー
ルの外方にシールハウジングを介して設けられた
オイルシールと、 前記シールハウジングを外側室に連通する圧抜
き用のチエツク流路と、 を備えていることを特徴とする液圧緩衝器。[Scope of Claim for Utility Model Registration] A cylinder tube having a guide member having a rod insertion hole at the lower end and a base at the upper end; the inside of the cylinder tube being divided into an upper chamber and a lower chamber; A piston connected to a piston rod inserted into the cylinder tube, and an outer chamber provided surrounding the cylinder tube that communicates with the lower chamber via a lower communication passage on the outer periphery of the cylinder tube, and a an outer tube forming a reservoir chamber defined by an outer chamber and an upper chamber by a base; and a pressure side connection formed on the base and for causing fluid in the upper chamber to flow to the outer chamber via a damping force generating means during a compression stroke. a passageway, a rebound side communication passageway that allows fluid in the outer chamber to flow to the upper chamber or the reservoir chamber via a damping force generating means during the extension stroke, and a check passageway that communicates the reservoir chamber with the upper chamber; and an outer periphery of the piston rod. A pressure reduction seal provided in the rod insertion hole in contact with a surface, an oil seal provided outside the pressure reduction seal via a seal housing, and a pressure relief check flow path communicating the seal housing with an outer chamber. A hydraulic shock absorber comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990005991U JP2526553Y2 (en) | 1990-01-25 | 1990-01-25 | Hydraulic shock absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990005991U JP2526553Y2 (en) | 1990-01-25 | 1990-01-25 | Hydraulic shock absorber |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0398344U true JPH0398344U (en) | 1991-10-11 |
| JP2526553Y2 JP2526553Y2 (en) | 1997-02-19 |
Family
ID=31509675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990005991U Expired - Lifetime JP2526553Y2 (en) | 1990-01-25 | 1990-01-25 | Hydraulic shock absorber |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2526553Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009502356A (en) * | 2005-07-29 | 2009-01-29 | シェーリング コーポレイション | Arch support insole |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4984585U (en) * | 1972-11-14 | 1974-07-22 | ||
| JPS5969545A (en) * | 1982-10-13 | 1984-04-19 | Showa Mfg Co Ltd | Hydraulic damper |
-
1990
- 1990-01-25 JP JP1990005991U patent/JP2526553Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4984585U (en) * | 1972-11-14 | 1974-07-22 | ||
| JPS5969545A (en) * | 1982-10-13 | 1984-04-19 | Showa Mfg Co Ltd | Hydraulic damper |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009502356A (en) * | 2005-07-29 | 2009-01-29 | シェーリング コーポレイション | Arch support insole |
| JP4852710B2 (en) * | 2005-07-29 | 2012-01-11 | エムエスディー コンシューマー ケア， インコーポレイテッド | Arch support insole |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2526553Y2 (en) | 1997-02-19 |
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