JPH0293174U - - Google Patents
Info
- Publication number
- JPH0293174U JPH0293174U JP197489U JP197489U JPH0293174U JP H0293174 U JPH0293174 U JP H0293174U JP 197489 U JP197489 U JP 197489U JP 197489 U JP197489 U JP 197489U JP H0293174 U JPH0293174 U JP H0293174U
- Authority
- JP
- Japan
- Prior art keywords
- primary
- hole
- diameter
- cylinder
- ring
- 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
- 239000007788 liquid Substances 0.000 claims description 3
- 238000007796 conventional method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005192 partition Methods 0.000 description 1
Landscapes
- Transmission Of Braking Force In Braking Systems (AREA)
Description
第１図は本考案の一実施例を示した実施例断面
図、第２図は従来技術の説明図、第３図は他の従
来技術の説明図である。
１：シリンダボデイ、２６：シリンダ穴、２８
，５８：ブツシユ装着穴、３０：シール押え、３
２，６８：カツプシール、３４，６６：ガイドブ
ツシユ、３６，６４：Ｏリング、３８：キヤツプ
部材、４０：プライマリピストン、４２，７６：
リターンポート、４４，７８：液通路、４６：端
面溝、４８：液通路、５０，８０：タンク接続口
、５２：ロツド、５４，７２：リターンスプリン
グ、５６：ネジ穴、６２：ピストンガイド穴、７
０：プラグ、７４：セカンダリピストン、８２：
ニツプル、８４：仕切壁。
FIG. 1 is a sectional view of an embodiment of the present invention, FIG. 2 is an explanatory diagram of a conventional technique, and FIG. 3 is an explanatory diagram of another conventional technique. 1: Cylinder body, 26: Cylinder hole, 28
, 58: Button mounting hole, 30: Seal holder, 3
2, 68: Cup seal, 34, 66: Guide bush, 36, 64: O ring, 38: Cap member, 40: Primary piston, 42, 76:
Return port, 44, 78: Liquid passage, 46: End groove, 48: Liquid passage, 50, 80: Tank connection port, 52: Rod, 54, 72: Return spring, 56: Screw hole, 62: Piston guide hole, 7
0: Plug, 74: Secondary piston, 82:
Nitpur, 84: Partition wall.
Claims (1)
及びセカンダリ側にシール部材を両側に備えたガ
イドブツシユを固定配置し、該ガイドブツシユ及
びシール部材の中にリターンポートを備えたプラ
イマリピストン及びセカンダリピストンを摺動自
在に設けた構造のマスタシリンダに於いて、 セカンダリ側の前記ガイドブツシユの外周をプ
ライマリ側に向けて大径から小径とした段付円筒
形状にすると共に、該ガイドブツシユの組込み部
分となるシリンダ穴をプライマリ側に向けて大径
のブツシユ装着穴と小径のＯリング装着穴でなる
段付穴形状とし、前記Ｏリング装着穴にＯリング
を装着した状態で前記ガイドブツシユを組込み、
該Ｏリングによりガイドブツシユのプライマリ液
室側の内周と外周を同時にシールしたことを特徴
とするマスタシリンダ。[Claims for Utility Model Registration] A guide bushing having seal members on both sides of the primary side and the secondary side is fixedly disposed in a cylinder hole in a cylinder body, and a primary piston having a return port in the guide bushing and the seal member; In a master cylinder having a structure in which a secondary piston is slidably provided, the outer periphery of the guide bushing on the secondary side is formed into a stepped cylindrical shape from a large diameter to a small diameter toward the primary side, and the integrated part of the guide bush A cylinder hole facing the primary side has a stepped hole shape consisting of a large-diameter bushing mounting hole and a small-diameter O-ring mounting hole, and the guide bushing is assembled with the O-ring mounted in the O-ring mounting hole,
A master cylinder characterized in that the inner circumference and outer circumference of the guide bush on the primary liquid chamber side are simultaneously sealed by the O-ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP197489U JPH082004Y2 (en) | 1989-01-11 | 1989-01-11 | Master cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP197489U JPH082004Y2 (en) | 1989-01-11 | 1989-01-11 | Master cylinder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0293174U true JPH0293174U (en) | 1990-07-24 |
| JPH082004Y2 JPH082004Y2 (en) | 1996-01-24 |
Family
ID=31202337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP197489U Expired - Lifetime JPH082004Y2 (en) | 1989-01-11 | 1989-01-11 | Master cylinder |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH082004Y2 (en) |
-
1989
- 1989-01-11 JP JP197489U patent/JPH082004Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH082004Y2 (en) | 1996-01-24 |