JPS5985768U - Negative pressure booster - Google Patents
Negative pressure boosterInfo
- Publication number
- JPS5985768U JPS5985768U JP18292582U JP18292582U JPS5985768U JP S5985768 U JPS5985768 U JP S5985768U JP 18292582 U JP18292582 U JP 18292582U JP 18292582 U JP18292582 U JP 18292582U JP S5985768 U JPS5985768 U JP S5985768U
- Authority
- JP
- Japan
- Prior art keywords
- diaphragm
- circumferential edge
- negative pressure
- inner circumferential
- annular plate
- 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
- Braking Systems And Boosters (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案の第１実施例を示す縦断側面図１、第２
図は本考案の第２実施例を示す縦断側面図である。
一符号の説明、１０・・・・・・ダイアフラム、１０ａ
・・・・・・内周縁部、１０ｂ・・・・・・外周縁部、
１２・・・・・・環状プレート、１２ａ・・・・・・内
周縁筒部、１２°ｂ・・・・・・屈曲部、１４・・・・
・・ピストンボディ、１６．１８・・：・・・シェル、
３２・・・・・・補強板、３２ａ・・・・・・内周縁筒
部、Ｒ１・・・・・・定圧室、Ｒ２・・・・・・変圧室
、■・・・・・・バルブ機構。FIG. 1 is a longitudinal side view showing the first embodiment of the present invention.
The figure is a longitudinal sectional side view showing a second embodiment of the present invention. Explanation of one symbol, 10...Diaphragm, 10a
...Inner peripheral edge, 10b...Outer peripheral edge,
12... Annular plate, 12a... Inner circumferential edge cylindrical part, 12°b... Bent part, 14...
... Piston body, 16.18...: Shell,
32...Reinforcement plate, 32a...Inner peripheral cylinder portion, R1...Constant pressure chamber, R2...Variable pressure chamber, ■...Valve mechanism.
Claims (1)
縁筒部にて該ダイアフラムの内周縁部をピストンボディ
に気密的に組付けるとともに、該ダイアフラムの外周縁
部をシェルに気密的に組付けて、該シェル内における前
記ダイアフラムの一側に常時負圧が付与される定圧室を
型成するとともに、前記ダイアフラムの他側に前記ビス
トンボ、 ディに設けたバルブ機構によって前記
定圧室または大気に選択的に連通ずる変圧室を形成して
ぴる負圧式倍力装置において、前記環状プレートを内周
部分に屈曲部を有する薄肉鋼板のプレス成型品とすると
ともに、該環状プレートの一側に°該環状プレートの前
記内周縁筒部に嵌合される内周縁筒部を有して該環状プ
レートの前記屈曲部にまで延びる厚肉鋼板からなる環状
の補強板を添着したことを特徴とする負圧式倍力装置。The inner circumferential edge of the diaphragm is airtightly assembled to the piston body using the inner circumferential edge cylindrical portion of the annular plate provided along one side of the diaphragm, and the outer circumferential edge of the diaphragm is airtightly assembled to the shell. , forming a constant pressure chamber in which negative pressure is constantly applied to one side of the diaphragm in the shell, and selectively supplying the constant pressure chamber or the atmosphere to the other side of the diaphragm by means of a valve mechanism provided in the piston button and D. In the negative pressure booster, the annular plate is a press-molded product of a thin steel plate having a bent part on the inner circumference, and the annular plate has a pressure-molding chamber formed on one side of the annular plate. A negative pressure type booster, characterized in that an annular reinforcing plate made of a thick steel plate is attached, the reinforcing plate having an inner circumferential edge cylindrical portion fitted into the inner circumferential edge cylindrical portion and extending to the bent portion of the annular plate. Device.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18292582U JPS5985768U (en) | 1982-12-01 | 1982-12-01 | Negative pressure booster |
| US06/552,467 US4534270A (en) | 1982-12-01 | 1983-11-16 | Vacuum booster assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18292582U JPS5985768U (en) | 1982-12-01 | 1982-12-01 | Negative pressure booster |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5985768U true JPS5985768U (en) | 1984-06-09 |
Family
ID=30396022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18292582U Pending JPS5985768U (en) | 1982-12-01 | 1982-12-01 | Negative pressure booster |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5985768U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53114753A (en) * | 1977-02-23 | 1978-10-06 | Hitachi Ltd | Controlling method for each time of beginning and stopping of arc welding |
-
1982
- 1982-12-01 JP JP18292582U patent/JPS5985768U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53114753A (en) * | 1977-02-23 | 1978-10-06 | Hitachi Ltd | Controlling method for each time of beginning and stopping of arc welding |
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