JPH0243758U - - Google Patents
Info
- Publication number
- JPH0243758U JPH0243758U JP12369588U JP12369588U JPH0243758U JP H0243758 U JPH0243758 U JP H0243758U JP 12369588 U JP12369588 U JP 12369588U JP 12369588 U JP12369588 U JP 12369588U JP H0243758 U JPH0243758 U JP H0243758U
- Authority
- JP
- Japan
- Prior art keywords
- power piston
- supply valve
- valve
- pressure chamber
- spring
- 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 description 1
Landscapes
- Braking Systems And Boosters (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
Description
第１図は本考案の一実施例の断面図、第２図は
リング状板ばねの正面図、第３図はその断面図、
第４図はその装着部分の拡大断面図、第５図は別
の実施例の断面図、第６図は従来例の断面図であ
る。
１……シリンダ、１０……パワーピストン、１
０Ｂ……環状溝、１０Ｃ……位置決め孔、１１…
…高圧流路、１２……サプライバルブ、１４Ｂ…
…ガイド部、１４Ｃ……位置決め突起、１６……
流路、２５……バルブスリーブ、２６……カム、
２８……リターンスプリング、２９……リターン
バルブ、５０……リザーバ、５１……高圧流体源
、６０……マスターシリンダ、６１……ピストン
。
Fig. 1 is a sectional view of an embodiment of the present invention, Fig. 2 is a front view of a ring-shaped leaf spring, and Fig. 3 is a sectional view thereof.
FIG. 4 is an enlarged sectional view of the mounting portion, FIG. 5 is a sectional view of another embodiment, and FIG. 6 is a sectional view of a conventional example. 1...Cylinder, 10...Power piston, 1
0B...Annular groove, 10C...Positioning hole, 11...
...High pressure channel, 12... Supply valve, 14B...
...Guide part, 14C...Positioning protrusion, 16...
Flow path, 25... valve sleeve, 26... cam,
28...Return spring, 29...Return valve, 50...Reservoir, 51...High pressure fluid source, 60...Master cylinder, 61...Piston.
Claims (1)
もにその先端部にマスターシリンダ６０のピスト
ン６１が連結されるパワーピストン１０と、この
パワーピストン１０の後方の圧力室４５と、この
圧力室４５とリザーバ５０とを接続する流路１６
を開閉する如く設けられたサプライバルブ１２と
を有し、前記リターンバルブ２９が閉じ、前記サ
プライバルブ１２が開くことにより前記圧力室４
５に高圧流体が導入されるよう構成してあり、前
記パワーピストン１０内にばね２８によりパワー
ピストン１０の後方側へ付勢されたバルブスリー
ブ２５を摺動可能に挿入し、前記サプライバルブ
１２は前記高圧流路１１を閉じる如くばね１４に
より付勢されたボールよりなり、前記バルブスリ
ーブ２５にはバルブスリーブ２５が前進した際に
前記サプライバルブ１２を押圧して前記高圧流路
１１を開放するカム部２６を設けてあり、さらに
、前記サプライバルブ１２を付勢するばね１４は
、パワーピストン１０の周囲に設けた環状溝１０
Ｂ内に装着されてサプライバルブ１２を閉方向に
押圧付勢するリング状板ばねであり、このリング
状板ばね１４は１箇所以上の部位の両側に前記環
状溝１０Ｂの内側壁に摺接するガイド部１４Ｂを
有し、かつ、環状溝１０Ｂ内に設けた位置決め孔
１０Ｃ内に挿入される位置決め突起１４Ｃを有し
ていることを特徴とする液圧倍力装置。 A power piston 10 that is slidably inserted into the cylinder member 1 and connected to the piston 61 of the master cylinder 60 at its tip, a pressure chamber 45 behind the power piston 10, and a pressure chamber 45 and a reservoir. Flow path 16 connecting with 50
and a supply valve 12 provided to open and close, and when the return valve 29 closes and the supply valve 12 opens, the pressure chamber 4
A valve sleeve 25 is slidably inserted into the power piston 10 and is urged toward the rear side of the power piston 10 by a spring 28. The valve sleeve 25 includes a cam that presses the supply valve 12 and opens the high pressure flow path 11 when the valve sleeve 25 moves forward. Further, the spring 14 for biasing the supply valve 12 is provided with an annular groove 10 provided around the power piston 10.
The ring-shaped leaf spring 14 is installed in the inside of the ring-shaped leaf spring 14 and presses and biases the supply valve 12 in the closing direction. 14B, and a positioning protrusion 14C inserted into a positioning hole 10C provided in an annular groove 10B.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12369588U JPH0542944Y2 (en) | 1988-09-21 | 1988-09-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12369588U JPH0542944Y2 (en) | 1988-09-21 | 1988-09-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0243758U true JPH0243758U (en) | 1990-03-26 |
| JPH0542944Y2 JPH0542944Y2 (en) | 1993-10-28 |
Family
ID=31372783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12369588U Expired - Lifetime JPH0542944Y2 (en) | 1988-09-21 | 1988-09-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0542944Y2 (en) |
-
1988
- 1988-09-21 JP JP12369588U patent/JPH0542944Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0542944Y2 (en) | 1993-10-28 |
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