JPS6250332U - - Google Patents
Info
- Publication number
- JPS6250332U JPS6250332U JP1985143081U JP14308185U JPS6250332U JP S6250332 U JPS6250332 U JP S6250332U JP 1985143081 U JP1985143081 U JP 1985143081U JP 14308185 U JP14308185 U JP 14308185U JP S6250332 U JPS6250332 U JP S6250332U
- Authority
- JP
- Japan
- Prior art keywords
- cylinder
- piston
- oil
- filling part
- oil filling
- 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
- 239000011888 foil Substances 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
Landscapes
- Sealing With Elastic Sealing Lips (AREA)
- Braking Arrangements (AREA)
Description
第１図ないし第３図は本発明の一実施例として
示したホイルシリンダＢの構成を示す図であつて
、第１図はその正断面図、第２図はピストンの摺
動部を示す図、第３図はカツプシールがピストン
摺動部に当接した状態を示す図である。第４図は
ドラムブレーキの構成を示す図、第５図〜第７図
は従来のホイルシリンダＡの構成を示す図であつ
て、第５図はその正断面図、第６図はピストンの
摺動部を示す図、第７図はカツプシールがピスト
ン摺動部に当接した状態を示す図である。
１０……シリンダ、１２……凹部、１４……ブ
レーキオイル、１４ａ……ブレーキオイル充填部
、２１……カツプシール、３０……ピストン、３
２，３３……間隙、Ｂ……ホイルシリンダ。
1 to 3 are diagrams showing the configuration of a foil cylinder B shown as an embodiment of the present invention, in which FIG. 1 is a front sectional view thereof, and FIG. 2 is a diagram showing a sliding part of a piston. , FIG. 3 is a diagram showing a state in which the cup seal is in contact with the piston sliding portion. FIG. 4 is a diagram showing the configuration of a drum brake, and FIGS. 5 to 7 are diagrams showing the configuration of a conventional foil cylinder A, of which FIG. 5 is a front cross-sectional view, and FIG. 6 is a piston sliding view. FIG. 7 is a diagram showing the moving part, and shows a state in which the cup seal is in contact with the piston sliding part. 10...Cylinder, 12...Recess, 14...Brake oil, 14a...Brake oil filling part, 21...Cup seal, 30...Piston, 3
2, 33...Gap, B...Foil cylinder.
Claims (1)
るピストンを摺動自在に嵌合すると共に、同シリ
ダにオイルを充填し、前記ピストンの凹部に開口
部をオイル充填部側に向けて液洩れ防止用のカツ
プシールを取付けてなり、前記オイルの油圧によ
り前記ピストスを摺動させるドラムブレーキのホ
イルシリンダにおいて、シリンダの壁面と、前記
凹部とオイル充填部間のピストン外面との間に、
カツプシール内部とオイル充填部とを連通させる
間隙を設けたことを特徴とするオイルシリンダ。 A piston having a recess along the circumferential direction of the outer peripheral surface is slidably fitted into the cylinder, and the cylinder is filled with oil, and the opening of the recess of the piston is directed toward the oil filling part to prevent liquid leakage. In the foil cylinder of a drum brake, in which a cup seal for use is attached and the piston is slid by the hydraulic pressure of the oil, between the wall surface of the cylinder and the outer surface of the piston between the recessed part and the oil filling part,
An oil cylinder characterized by providing a gap that communicates the inside of a cup seal with an oil filling part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985143081U JPS6250332U (en) | 1985-09-19 | 1985-09-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985143081U JPS6250332U (en) | 1985-09-19 | 1985-09-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6250332U true JPS6250332U (en) | 1987-03-28 |
Family
ID=31052422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985143081U Pending JPS6250332U (en) | 1985-09-19 | 1985-09-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6250332U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2021042774A (en) * | 2019-09-06 | 2021-03-18 | 日野自動車株式会社 | Wheel cylinder |
-
1985
- 1985-09-19 JP JP1985143081U patent/JPS6250332U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2021042774A (en) * | 2019-09-06 | 2021-03-18 | 日野自動車株式会社 | Wheel cylinder |