JPH0284768U - - Google Patents
Info
- Publication number
- JPH0284768U JPH0284768U JP16492988U JP16492988U JPH0284768U JP H0284768 U JPH0284768 U JP H0284768U JP 16492988 U JP16492988 U JP 16492988U JP 16492988 U JP16492988 U JP 16492988U JP H0284768 U JPH0284768 U JP H0284768U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- valve body
- pressure chamber
- plunger
- output shaft
- 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
- 230000000149 penetrating effect Effects 0.000 claims 1
Landscapes
- Braking Systems And Boosters (AREA)
Description
第１図は本考案による負圧倍力装置をブレーキ
倍力装置に適用した一実施例を示す縦断面図、第
２図はこの倍力装置に用いられるリアクシヨンデ
イスク付近を拡大して示し、Ａは組立時の状態を
、Ｂは負圧導入後の状態をそれぞれ示す部分拡大
図である。
１…ブレーキ倍力装置（負圧倍力装置）、４…
バルブボデイ、１９…弁プランジヤ、２０…入力
軸、２４…制御弁、２９…出力軸、３０…リアク
シヨンデイスク、３１…通路（大気通路）。
FIG. 1 is a vertical sectional view showing an embodiment of the negative pressure booster according to the present invention applied to a brake booster, and FIG. 2 is an enlarged view of the vicinity of the reaction disk used in this booster. A is a partially enlarged view showing the state at the time of assembly, and B is a partially enlarged view showing the state after introducing negative pressure. 1... Brake booster (negative pressure booster), 4...
Valve body, 19... Valve plunger, 20... Input shaft, 24... Control valve, 29... Output shaft, 30... Reaction disk, 31... Passage (atmospheric passage).
Claims (1)
れた空間内に対して進退自在に配設され、前記リ
ヤシエルを気密にかつ摺動自在に貫通するバルブ
ボデイと、このバルブボデイに連結されるととも
に、前記空間内を負圧が導入される定圧室と作動
時大気圧の空気が導人される変圧室とに区画する
パワーピストンと、前記バルブボデイに摺動自在
に配設された弁プランジヤと、この弁プランジヤ
に連結され、前記バルブボデイ内に進退自在に配
設された入力軸と、前記バルブボデイ内に設けら
れ、前記弁プランジヤによつて作動されて前記変
圧室を大気または前記定圧室に選択的に連通させ
るべく切り換え制御する制御弁と、前記バルブボ
デイの前記定圧室に面する前端部に形成された凹
嵌部に後端部が嵌合されるとともに、前端部が前
記フロントシエルを貫通して外部に突出する出力
軸と、前記凹嵌部内で前記弁プランジヤと前記出
力軸との間に介設されたリアクシヨンデイスクと
を備えた負圧倍力装置において、 更に、前記出力軸には、前記リアクシヨンデイ
スクの出力軸側面に大気を導入する大気通路を設
けたことを特徴とする負圧倍力装置。[Claims for Utility Model Registration] A valve body that is arranged to be movable forward and backward in a space formed by a front shell and a rear shell, and that penetrates the rear shell in an airtight and slidable manner, and is connected to this valve body. and a power piston that divides the space into a constant pressure chamber into which negative pressure is introduced and a variable pressure chamber into which air at atmospheric pressure is introduced during operation, and a valve slidably disposed in the valve body. a plunger; an input shaft connected to the valve plunger and disposed in the valve body so as to be able to move forward and backward; and an input shaft provided in the valve body and actuated by the valve plunger to connect the variable pressure chamber to the atmosphere or the constant pressure chamber. a control valve that selectively communicates with the front shell; A negative pressure booster comprising an output shaft penetrating and projecting to the outside, and a reaction disk interposed between the valve plunger and the output shaft within the recessed fitting portion, further comprising: The negative pressure booster is characterized in that an atmospheric passage for introducing atmospheric air is provided on the side surface of the output shaft of the reaction disk.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988164929U JPH0539022Y2 (en) | 1988-12-20 | 1988-12-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988164929U JPH0539022Y2 (en) | 1988-12-20 | 1988-12-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0284768U true JPH0284768U (en) | 1990-07-02 |
| JPH0539022Y2 JPH0539022Y2 (en) | 1993-10-01 |
Family
ID=31450961
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988164929U Expired - Lifetime JPH0539022Y2 (en) | 1988-12-20 | 1988-12-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0539022Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4924273A (en) * | 1972-07-03 | 1974-03-04 |
-
1988
- 1988-12-20 JP JP1988164929U patent/JPH0539022Y2/ja not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4924273A (en) * | 1972-07-03 | 1974-03-04 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0539022Y2 (en) | 1993-10-01 |
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