JPS62102763U - - Google Patents
Info
- Publication number
- JPS62102763U JPS62102763U JP19538385U JP19538385U JPS62102763U JP S62102763 U JPS62102763 U JP S62102763U JP 19538385 U JP19538385 U JP 19538385U JP 19538385 U JP19538385 U JP 19538385U JP S62102763 U JPS62102763 U JP S62102763U
- Authority
- JP
- Japan
- Prior art keywords
- booster
- negative pressure
- tie rod
- working chamber
- booster piston
- 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
Landscapes
- Braking Systems And Boosters (AREA)
Description
図面は本考案の一実施例を示し、第１図は全体
の縦断面図で、第２図―線断面に相当し、第
１Ａ図は要部の拡大縦断面図、第２図は第１図
―線断面図、第３、第４図は第１図および
矢視図、第５図は要部の作動説明図である。
Ａ，Ｂ……第１、第２作動室、１……ブースタ
シエル、２……ブースタピストン、２ｂ……円板
部、７……ダイヤフラム、７ａ，７ｂ……内、外
周ビード、９……入力部材としての入力杆、１３
，１４……透孔、１５……タイロツド、３７……
伸縮性ブーツ、３７ａ……前端部、３７ｂ……後
端部、３７ｃ……環状補強リブ。
The drawings show one embodiment of the present invention, and FIG. 1 is a longitudinal cross-sectional view of the whole, which corresponds to the cross-sectional view taken along the line in FIG. 2. FIG. FIG. 3 is a cross-sectional view taken along the line, FIGS. 3 and 4 are views taken from FIG. 1 and arrows, and FIG. A, B...First and second working chambers, 1...Booster shell, 2...Booster piston, 2b...Disk portion, 7...Diaphragm, 7a, 7b...Inner and outer peripheral beads, 9... Input rod as input member, 13
, 14...Through hole, 15...Tie rod, 37...
Elastic boots, 37a...front end, 37b...rear end, 37c...annular reinforcing rib.
Claims (1)
在に収容したブースタピストンと、該ブースタピ
ストンの円板部後面に重合して内周ビードを該ブ
ースタピストンに結着すると共に外周ビードを前
記ブースタシエルの周壁に結着した弾性を有する
ダイヤフラムとにより、負圧源に連なる前部の第
１作動室と、入力部材に連動する制御弁を介して
前記第１作動室または大気に選択的に連通される
後部の第２作動室とに区画し、前記ブースタシエ
ルの前、後両端壁間を、前記ブースタピストンの
円板部及びダイヤフラムの両透孔を貫通するタイ
ロツドを介して連結し、前記タイロツドを囲繞す
る伸縮性ブーツの前端部を該タイロツドの外周に
、また後端部を前記ブースタピストンの透孔を囲
繞する環状突部外周にそれぞれ嵌着した負圧式倍
力装置において、前記伸縮性ブーツ内周面の、前
記後端部近傍に環状補強リブを突設したことを特
徴とする負圧式倍力装置。 A booster piston is housed inside the booster shell so as to be able to reciprocate back and forth, and the inner peripheral bead is bonded to the booster piston by overlapping with the rear surface of the disk portion of the booster piston, and the outer peripheral bead is connected to the peripheral wall of the booster shell. a first working chamber at the front connected to a negative pressure source, and a rear part selectively communicating with the first working chamber or the atmosphere through a control valve interlocked with the input member. The booster shell is divided into a second working chamber, and the front and rear end walls of the booster shell are connected via a tie rod that passes through the disk portion of the booster piston and both through holes of the diaphragm, and surrounds the tie rod. In a negative pressure booster in which the front end of the elastic boot is fitted to the outer periphery of the tie rod and the rear end is fitted to the outer periphery of the annular protrusion surrounding the through hole of the booster piston, the inner circumferential surface of the elastic boot A negative pressure booster characterized in that an annular reinforcing rib is provided protruding near the rear end portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985195383U JPH043901Y2 (en) | 1985-12-19 | 1985-12-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985195383U JPH043901Y2 (en) | 1985-12-19 | 1985-12-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62102763U true JPS62102763U (en) | 1987-06-30 |
| JPH043901Y2 JPH043901Y2 (en) | 1992-02-05 |
Family
ID=31153223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985195383U Expired JPH043901Y2 (en) | 1985-12-19 | 1985-12-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH043901Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS579659U (en) * | 1980-06-20 | 1982-01-19 |
-
1985
- 1985-12-19 JP JP1985195383U patent/JPH043901Y2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS579659U (en) * | 1980-06-20 | 1982-01-19 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH043901Y2 (en) | 1992-02-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH0340277U (en) | ||
| JPS62102763U (en) | ||
| JPH01154968U (en) | ||
| JPS61183252U (en) | ||
| JPH023965U (en) | ||
| JPS62138672U (en) | ||
| JPS6236677Y2 (en) | ||
| JPS62112660U (en) | ||
| JPS62105864U (en) | ||
| JPH0396410U (en) | ||
| JPH0483963U (en) | ||
| JPS61107672U (en) | ||
| JPS62127062U (en) | ||
| JPS5947571U (en) | Negative pressure booster | |
| JPS61107673U (en) | ||
| JPH0296350U (en) | ||
| JPH03302U (en) | ||
| JPH0426161U (en) | ||
| JPS63170602U (en) | ||
| JPS62185794U (en) | ||
| JPH01158369U (en) | ||
| JPH01123767U (en) | ||
| JPS62100261U (en) | ||
| JPS63108857U (en) | ||
| JPS58100853U (en) | Power piston of vacuum booster |