JPH0281269U - - Google Patents
Info
- Publication number
- JPH0281269U JPH0281269U JP16097288U JP16097288U JPH0281269U JP H0281269 U JPH0281269 U JP H0281269U JP 16097288 U JP16097288 U JP 16097288U JP 16097288 U JP16097288 U JP 16097288U JP H0281269 U JPH0281269 U JP H0281269U
- Authority
- JP
- Japan
- Prior art keywords
- hole
- piston
- primary
- guide
- cylinder
- 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
- 238000010586 diagram Methods 0.000 description 2
- 210000002445 nipple Anatomy 0.000 description 1
- 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図は本考案のガイドブツシユ説明図：第
３図は従来技術の説明図である。
１：シリンダボデイ、２４：シリンダ穴、２６
，５６：ガイドブツシユ装着穴、２８，６４：ガ
イドブツシユ、３０：シール押え、３２，６６：
カツプシール、３４，６２：Ｏリング、３６：キ
ヤツプ部材、３８：ブースタ装着フランジ、４０
：プライマリピストン、４２，７２：リターンポ
ート、４４，７４：液通路、４６：端面溝、４８
：液通路、５０，７６：タンク接続口、５２：プ
ラグ、５４：プラグ装着ネジ穴、６０：ピストン
ガイド穴、７０：セカンダリピストン、７８，９
４：リターンスプリング、８０：ニツプル、８２
：仕切壁、８４：ピストン装着穴、８６：カツプ
シール支持面、８８：Ｏリング支持面、９０：環
状溝、９２：嵌合突起、９６：ロツド部材。
FIG. 1 is a cross-sectional view of an embodiment of the present invention; FIG. 2 is an explanatory diagram of a guide bush of the present invention; and FIG. 3 is an explanatory diagram of the prior art. 1: Cylinder body, 24: Cylinder hole, 26
, 56: Guide bush mounting hole, 28, 64: Guide bush, 30: Seal holder, 32, 66:
Cup seal, 34, 62: O-ring, 36: Cap member, 38: Booster mounting flange, 40
:Primary piston, 42, 72: Return port, 44, 74: Liquid passage, 46: End groove, 48
:Liquid passage, 50, 76: Tank connection port, 52: Plug, 54: Plug mounting screw hole, 60: Piston guide hole, 70: Secondary piston, 78, 9
4: Return spring, 80: Nipple, 82
: Partition wall, 84: Piston mounting hole, 86: Cup seal support surface, 88: O-ring support surface, 90: Annular groove, 92: Fitting protrusion, 96: Rod member.
Claims (1)
びセカンダリ側のシール部材を固定配置し、該シ
ール部材に摺接自在に設けたプライマリピストン
及びセカンダリピストンの各々にリターンポート
を設けた構造のマスタシリンダに於いて、 前記シリンダボデイの軸方向にピストンが摺動
可能な通し穴を貫通形成し、該通し穴の一端に前
記プライマリピストンを摺動自在に支持するガイ
ドブツシユの装着穴を形成し、前記通し穴の他端
には、開口部より順次径が小さくなるようにプラ
グ装着用ネジ穴、前記セカンダリピストンを摺動
自在に支持するガイドブツシユの装着穴、及びＯ
リングの装着穴を形成し、前記プライマリ側及び
セカンダリ側のガイドブツシユ装着穴に同一形状
を有するガイドブツシユを組み込んで該ガイドブ
ツシユの液室側にカツプシールを、反対側にＯリ
ングを支持固定したことを特徴とするマスタシリ
ンダ。[Claim for Utility Model Registration] Primary and secondary seal members are fixedly arranged in the cylinder hole of the cylinder body, and a return port is provided in each of the primary piston and secondary piston that are slidably provided on the seal members. In the master cylinder of this structure, a through hole is formed through which the piston can slide in the axial direction of the cylinder body, and a mounting hole for a guide bushing that slidably supports the primary piston is formed at one end of the through hole. The other end of the through hole has a screw hole for attaching a plug, a hole for attaching a guide bushing that slidably supports the secondary piston, and an O
A ring mounting hole is formed, and guide bushes having the same shape are incorporated into the guide bush mounting holes on the primary side and the secondary side, and a cup seal is supported and fixed on the liquid chamber side of the guide bush and an O-ring on the opposite side. master cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16097288U JPH0513666Y2 (en) | 1988-12-12 | 1988-12-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16097288U JPH0513666Y2 (en) | 1988-12-12 | 1988-12-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0281269U true JPH0281269U (en) | 1990-06-22 |
| JPH0513666Y2 JPH0513666Y2 (en) | 1993-04-12 |
Family
ID=31443509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16097288U Expired - Lifetime JPH0513666Y2 (en) | 1988-12-12 | 1988-12-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0513666Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2740384B2 (en) * | 1992-01-16 | 1998-04-15 | アルプス電気株式会社 | Switch device |
-
1988
- 1988-12-12 JP JP16097288U patent/JPH0513666Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0513666Y2 (en) | 1993-04-12 |