JPS61150264U - - Google Patents
Info
- Publication number
- JPS61150264U JPS61150264U JP3494285U JP3494285U JPS61150264U JP S61150264 U JPS61150264 U JP S61150264U JP 3494285 U JP3494285 U JP 3494285U JP 3494285 U JP3494285 U JP 3494285U JP S61150264 U JPS61150264 U JP S61150264U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- power piston
- valve seat
- pressure chamber
- valve body
- 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
- 239000012530 fluid Substances 0.000 claims 1
Landscapes
- Braking Systems And Boosters (AREA)
Description
第１図は本考案の一実施例を示し、第２図の要
部の拡大断面図、第２図は全体の断面図、第３図
、第４ａ図、第５図はそれぞれ本考案の他の実施
例を示す断面図で、第４ｂ図に第４ａ図と異なる
状態を示す断面図である。
１……シエル、２……パワーピストン、４……
定圧室、５……変圧室、６……バルブボデイ、７
……弁機構、１０……第１弁座、１１……弁プラ
ンジヤ、１２……第２弁座、１４……弁体、２５
……入力軸、３０，３６，４０……湾曲部。
Fig. 1 shows an embodiment of the present invention, Fig. 2 is an enlarged sectional view of the main part, Fig. 2 is an overall sectional view, and Figs. FIG. 4B is a cross-sectional view showing an embodiment of the present invention, and FIG. 4B is a cross-sectional view showing a state different from FIG. 4A. 1...Ciel, 2...Power Piston, 4...
Constant pressure chamber, 5... Variable pressure chamber, 6... Valve body, 7
... Valve mechanism, 10 ... First valve seat, 11 ... Valve plunger, 12 ... Second valve seat, 14 ... Valve body, 25
...Input shaft, 30, 36, 40...Curved portion.
Claims (1)
と、このパワーピストン軸部のバルブボデイ内に
収納した弁機構と、上記パワーピストンの作動方
向前方側に形成した定圧室と後方側に形成した変
圧室と、上記弁機構を作動させて流路を切換えさ
せ、上記変圧室に圧力流体を供給してパワーピス
トンを前進させる入力軸とを備え、かつ上記弁機
構を、入力軸に連動する弁プランジヤと、バルブ
ボデイに形成した第１弁座と、上記弁プランジヤ
に形成した第２弁座と上記第１弁座とを着座する
弁体とから構成したブレーキ倍力装置において、
上記弁体の第１弁座への着座部と第２弁座への着
座部との少なくとも一方に、着座時に湾曲されな
がら弾性変形される湾曲部を形成したことを特徴
とするブレーキ倍力装置の弁機構。 A power piston slidably disposed within the shell, a valve mechanism housed within the valve body of the power piston shaft, a constant pressure chamber formed on the front side in the operating direction of the power piston, and a variable pressure chamber formed on the rear side. and an input shaft that operates the valve mechanism to switch the flow path and advance the power piston by supplying pressure fluid to the variable pressure chamber, and the valve mechanism includes a valve plunger interlocked with the input shaft. , a brake booster comprising a first valve seat formed on a valve body, a second valve seat formed on the valve plunger, and a valve body seating the first valve seat,
A brake booster characterized in that a curved portion that is elastically deformed while being curved when seated is formed on at least one of the seating portion of the valve body on the first valve seat and the seating portion on the second valve seat. valve mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985034942U JPH0357565Y2 (en) | 1985-03-12 | 1985-03-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985034942U JPH0357565Y2 (en) | 1985-03-12 | 1985-03-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61150264U true JPS61150264U (en) | 1986-09-17 |
| JPH0357565Y2 JPH0357565Y2 (en) | 1991-12-27 |
Family
ID=30538779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985034942U Expired JPH0357565Y2 (en) | 1985-03-12 | 1985-03-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0357565Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04121262A (en) * | 1990-09-10 | 1992-04-22 | Toyota Motor Corp | Hydraulic booster for vehicle |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56124544A (en) * | 1980-03-03 | 1981-09-30 | Nissan Motor Co Ltd | Vacuum servo type brake |
-
1985
- 1985-03-12 JP JP1985034942U patent/JPH0357565Y2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56124544A (en) * | 1980-03-03 | 1981-09-30 | Nissan Motor Co Ltd | Vacuum servo type brake |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04121262A (en) * | 1990-09-10 | 1992-04-22 | Toyota Motor Corp | Hydraulic booster for vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0357565Y2 (en) | 1991-12-27 |