JPS6386459U - - Google Patents
Info
- Publication number
- JPS6386459U JPS6386459U JP18115186U JP18115186U JPS6386459U JP S6386459 U JPS6386459 U JP S6386459U JP 18115186 U JP18115186 U JP 18115186U JP 18115186 U JP18115186 U JP 18115186U JP S6386459 U JPS6386459 U JP S6386459U
- Authority
- JP
- Japan
- Prior art keywords
- plunger
- free piston
- diameter
- oil chamber
- inner peripheral
- 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.)
- Pending
Links
- 230000002093 peripheral effect Effects 0.000 claims 4
- 238000007789 sealing Methods 0.000 claims 2
Landscapes
- Fluid-Damping Devices (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Description
第１図は本考案の実施例の要部をあらわす断面
図、第２図は本考案の実施例におけるオイルテン
シヨナをあらわす断面図、第３図は従来例をあら
わす断面図である。
２０…アウタボデイ、２０ａ…アウタボデイ内
周壁面、２１…プランジヤ、２１ａ…プランジヤ
内周壁面、２１ｂ…プランジヤ先端面、２１ｄ…
環状溝、２１ｅ…細径部、２２…フリーピストン
、２２ａ…フリーピストン先端面、２２ｂ…ロツ
ド部、２２ｄ…環状溝、２２ｅ…細径部、２３…
大径油室、２４…小径油室、２５…インナボデイ
、２６…スプリング、２９…チエツクバルブ、３
０…リーク通路、３１，３２…環状シール部材。
FIG. 1 is a sectional view showing a main part of an embodiment of the present invention, FIG. 2 is a sectional view showing an oil tensioner in an embodiment of the invention, and FIG. 3 is a sectional view showing a conventional example. 20... Outer body, 20a... Outer body inner circumferential wall surface, 21... Plunger, 21a... Plunger inner circumferential wall surface, 21b... Plunger tip surface, 21d...
Annular groove, 21e... Thin diameter part, 22... Free piston, 22a... Free piston tip surface, 22b... Rod part, 22d... Annular groove, 22e... Narrow diameter part, 23...
Large diameter oil chamber, 24...Small diameter oil chamber, 25...Inner body, 26...Spring, 29...Check valve, 3
0... Leak passage, 31, 32... Annular seal member.
Claims (1)
し、このプランジヤ内周壁面に摺動自在にフリー
ピストンを挿入するとともに、前記ボデイ内周壁
面とプランジヤ先端面により大径油室を画定し、
前記プランジヤ内周壁面とフリーピストン先端面
により小径油室を画定し、前記大径油室を圧縮す
る方向にプランジヤを付勢するスプリングを取付
け、前記プランジヤの外周面およびフリーピスト
ンの外周面に環状シール部材を設けたオートテン
シヨナにおいて、前記環状シール部材を嵌合する
少なくとも１つの環状溝の上下部をそれぞれプラ
ンジヤ又はフリーピストンの外周径よりも細径に
したことを特徴とするオートテンシヨナ。 A plunger is slidably inserted into the inner peripheral wall of the body, a free piston is slidably inserted into the inner peripheral wall of the plunger, and a large diameter oil chamber is defined by the inner peripheral wall of the body and the tip end surface of the plunger,
A small-diameter oil chamber is defined by the inner circumferential wall surface of the plunger and the tip surface of the free piston, a spring is attached to bias the plunger in a direction to compress the large-diameter oil chamber, and an annular spring is attached to the outer circumferential surface of the plunger and the outer circumferential surface of the free piston. An autotensioner provided with a sealing member, wherein the upper and lower portions of at least one annular groove into which the annular sealing member is fitted are each made smaller in diameter than the outer peripheral diameter of a plunger or a free piston.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18115186U JPS6386459U (en) | 1986-11-27 | 1986-11-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18115186U JPS6386459U (en) | 1986-11-27 | 1986-11-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6386459U true JPS6386459U (en) | 1988-06-06 |
Family
ID=31125761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18115186U Pending JPS6386459U (en) | 1986-11-27 | 1986-11-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6386459U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016043069A1 (en) * | 2014-09-16 | 2016-03-24 | Ｋｙｂ株式会社 | Shock absorber |
-
1986
- 1986-11-27 JP JP18115186U patent/JPS6386459U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016043069A1 (en) * | 2014-09-16 | 2016-03-24 | Ｋｙｂ株式会社 | Shock absorber |