JPS63142252U - - Google Patents
Info
- Publication number
- JPS63142252U JPS63142252U JP3527487U JP3527487U JPS63142252U JP S63142252 U JPS63142252 U JP S63142252U JP 3527487 U JP3527487 U JP 3527487U JP 3527487 U JP3527487 U JP 3527487U JP S63142252 U JPS63142252 U JP S63142252U
- Authority
- JP
- Japan
- Prior art keywords
- master cylinder
- piston
- front shell
- groove
- cylindrical portion
- 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
Landscapes
- Transmission Of Braking Force In Braking Systems (AREA)
- Braking Systems And Boosters (AREA)
Description
第１図は本考案に従つた負圧式倍力装置の断面
図、第２図は第１図の要部拡大側面図、第３図は
第１図の要部拡大断面図である。
１０……負圧式倍力装置、１１……ハウジング
、１２……フロントシエル、１２ａ……筒部、１
２ｃ……受承部、１３……リヤシエル、１４……
パワーピストン、１９……バルブプランジヤ、２
０……コントロールバルブ、３０……マスタシリ
ンダ、３１……シリンダボデー、３１ａ……開口
端部、３１ｂ……フランジ部、３１ｃ……内孔、
３２……ピストン、３３……連通溝、３３ａ……
第１溝部、３３ｂ……第２溝部、Ｒ１……定圧室
、Ｒ２……変圧室、Ｒ３……空気室、Ｖ……制御
弁機構。
FIG. 1 is a sectional view of a negative pressure booster according to the present invention, FIG. 2 is an enlarged side view of the main part of FIG. 1, and FIG. 3 is an enlarged sectional view of the main part of FIG. 1. 10...Negative pressure booster, 11...Housing, 12...Front shell, 12a...Cylinder part, 1
2c... Receiving part, 13... Rear shell, 14...
Power piston, 19... Valve plunger, 2
0... Control valve, 30... Master cylinder, 31... Cylinder body, 31a... Open end, 31b... Flange portion, 31c... Inner hole,
32... Piston, 33... Communication groove, 33a...
1st groove part, 33b...2nd groove part, R1... constant pressure chamber, R2... variable pressure chamber, R3... air chamber, V... control valve mechanism.
Claims (1)
るハウジングの一部を構成し、その一側にマスタ
シリンダの開口端部が嵌合され該マスタシリンダ
の内孔内に液密的に摺動可能に収容されたピスト
ンとの間に空気室を形成する筒部を有すると共に
、該筒部の外方端面に形成された前記マスタシリ
ンダのフランジ部が当接される受承部とを有する
フロントシエルと、一端を前記パワーピストンに
係止され、該フロントシエルの前記筒部の開口部
に気密的に摺動可能に貫通され、その先端にて前
記マスタシリンダのピストンと当接し該ピストン
を押動可能なブースタプツシユロツドとを備えた
負圧式倍力装置において、前記フロントシエルの
前記受承部に、その両端部にて前記マスタシリン
ダのフランジ部を横断して外部に連通する第１溝
部とその一端にて該第１溝部に開口しその他端に
て前記空気室に連通する第２溝部から成る逆Ｔ字
状の連通溝を形成したことを特徴とする負圧式倍
力装置。 It constitutes a part of the housing that houses the power piston and the control valve mechanism inside, and the open end of the master cylinder is fitted on one side of the housing and is slidably accommodated in the inner hole of the master cylinder in a liquid-tight manner. a front shell having a cylindrical portion forming an air chamber between the cylindrical piston and a receiving portion formed on an outer end surface of the cylindrical portion and against which a flange portion of the master cylinder abuts; One end is locked to the power piston, the front shell is slidably penetrated into the opening of the cylindrical portion of the front shell in an airtight manner, and the tip thereof comes into contact with the piston of the master cylinder to push the piston. In the negative pressure booster equipped with a booster pump rod, the receiving portion of the front shell is provided with a first groove portion that communicates with the outside across the flange portion of the master cylinder at both ends thereof; A negative pressure booster characterized in that an inverted T-shaped communication groove is formed, the communication groove having one end opening into the first groove and the other end communicating with the air chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3527487U JPS63142252U (en) | 1987-03-11 | 1987-03-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3527487U JPS63142252U (en) | 1987-03-11 | 1987-03-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63142252U true JPS63142252U (en) | 1988-09-20 |
Family
ID=30844610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3527487U Pending JPS63142252U (en) | 1987-03-11 | 1987-03-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63142252U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0296251U (en) * | 1988-09-28 | 1990-07-31 |
-
1987
- 1987-03-11 JP JP3527487U patent/JPS63142252U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0296251U (en) * | 1988-09-28 | 1990-07-31 |
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