JPH01158367U - - Google Patents
Info
- Publication number
- JPH01158367U JPH01158367U JP5568888U JP5568888U JPH01158367U JP H01158367 U JPH01158367 U JP H01158367U JP 5568888 U JP5568888 U JP 5568888U JP 5568888 U JP5568888 U JP 5568888U JP H01158367 U JPH01158367 U JP H01158367U
- Authority
- JP
- Japan
- Prior art keywords
- piston
- annular
- ring
- pressure chamber
- annular seal
- 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 5
Landscapes
- Actuator (AREA)
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
- Transmission Of Braking Force In Braking Systems (AREA)
Description
第１図は本考案に係る流体アクチユエータとし
てマスタシリンダを示した断面図、第２図はその
マスタシリンダのシール部を構成する部品を分解
して示した断面斜視図、第３図はつのマスタシリ
ンダの作用を説明するための部分拡大断面図、第
４図は従来の流体アクチユエータのシール部を示
した断面図、第５図はそのシール部の要部拡大断
面図である。
１０……マスタシリンダ、１１……シリンダハ
ウジング、１４，１５……ピストンガイド、１６
，１７……ピストン、１８，１９……圧力室、２
３，２４……通孔、２５，２６……孔、２７，２
８……通路、２９，３０……シールアツセンブリ
、３１，３２……環状シール、３１ａ，３２ａ…
…環状凹部、３１ｂ，３２ｂ……内側環状部、３
１ｃ，３２ｃ……切欠部、３１ｄ，３２ｄ……中
間肉厚部、３３，３４……リング、３３ａ，３３
ａ……筒状部、３３ｂ，３４ｂ……鍔状部、３３
ｃ，３４ｃ……切欠、３５……オイルリザーバ、
３６，３７……通路、３８，３９……孔。
Fig. 1 is a cross-sectional view showing a master cylinder as a fluid actuator according to the present invention, Fig. 2 is an exploded cross-sectional perspective view of parts constituting the seal portion of the master cylinder, and Fig. 3 is a cross-sectional view of the master cylinder. FIG. 4 is a cross-sectional view showing a seal portion of a conventional fluid actuator, and FIG. 5 is an enlarged cross-sectional view of a main part of the seal portion. 10... Master cylinder, 11... Cylinder housing, 14, 15... Piston guide, 16
, 17... Piston, 18, 19... Pressure chamber, 2
3, 24... through hole, 25, 26... hole, 27, 2
8... Passage, 29, 30... Seal assembly, 31, 32... Annular seal, 31a, 32a...
...Annular recess, 31b, 32b...Inner annular part, 3
1c, 32c... Notch, 31d, 32d... Intermediate thick part, 33, 34... Ring, 33a, 33
a... Cylindrical part, 33b, 34b... Flange-shaped part, 33
c, 34c...notch, 35...oil reservoir,
36, 37... passage, 38, 39... hole.
Claims (1)
をリザーバに連通させ、上記ピストンを圧力室の
内方へ移動し、該ピストンの上記通孔が環状シー
ルを通過することによつて上記圧力室と上記リザ
ーバとの連通を断ち、さらに上記ピストンを上記
圧力室の内方へ移動することによつて上記圧力室
内の流体を被作動器へ圧送する流体アクチユエー
タにおいて、上記環状シールに、該環状シールの
圧力室側端面に対して反対側の端面と上記ピスト
ンの摺動面の一部とに亘る環状切欠を形成すると
ともに、上記ピストンの移動方向に延びる筒状部
に上記ピストンの移動方向に対して直角な方向に
延びる鍔状部とを有するリングを備え、上記環状
シールの上記環状切欠に上記リングの上記筒状部
を嵌入させ、かつ上記環状シールの上記反対側の
端面に上記リングの上記鍔状部を当接させて、上
記環状シールおよび上記リングを配設したことを
特徴とする流体アクチユエータ。 The pressure chamber is communicated with the reservoir through a through hole formed in the circumferential surface of the piston, the piston is moved inward of the pressure chamber, and the through hole of the piston passes through an annular seal, thereby reducing the pressure. In the fluid actuator, the fluid in the pressure chamber is pressurized to the actuated device by cutting off communication between the chamber and the reservoir and further moving the piston inward into the pressure chamber, the annular seal having an annular An annular notch is formed between the end surface of the seal opposite to the pressure chamber side end surface and a part of the sliding surface of the piston, and a cylindrical part extending in the direction of movement of the piston is provided with an annular notch extending in the direction of movement of the piston. a ring having a flange-like part extending in a direction perpendicular to the annular seal, the cylindrical part of the ring is fitted into the annular notch of the annular seal, and the opposite end face of the annular seal is provided with the ring. A fluid actuator characterized in that the annular seal and the ring are arranged so that the brim portion is in contact with the ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5568888U JPH0439091Y2 (en) | 1988-04-25 | 1988-04-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5568888U JPH0439091Y2 (en) | 1988-04-25 | 1988-04-25 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01158367U true JPH01158367U (en) | 1989-11-01 |
| JPH0439091Y2 JPH0439091Y2 (en) | 1992-09-11 |
Family
ID=31281592
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5568888U Expired JPH0439091Y2 (en) | 1988-04-25 | 1988-04-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0439091Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005076794A (en) * | 2003-09-02 | 2005-03-24 | Nissan Motor Co Ltd | Passage opening and closing valve |
-
1988
- 1988-04-25 JP JP5568888U patent/JPH0439091Y2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005076794A (en) * | 2003-09-02 | 2005-03-24 | Nissan Motor Co Ltd | Passage opening and closing valve |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0439091Y2 (en) | 1992-09-11 |