JPH0388881U - - Google Patents
Info
- Publication number
- JPH0388881U JPH0388881U JP14993089U JP14993089U JPH0388881U JP H0388881 U JPH0388881 U JP H0388881U JP 14993089 U JP14993089 U JP 14993089U JP 14993089 U JP14993089 U JP 14993089U JP H0388881 U JPH0388881 U JP H0388881U
- Authority
- JP
- Japan
- Prior art keywords
- spring
- piston
- plunger
- spring receiver
- communicating
- 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
- 238000013459 approach Methods 0.000 claims 1
- 230000036316 preload Effects 0.000 claims 1
Landscapes
- Valves And Accessory Devices For Braking Systems (AREA)
Description
第１図は、この考案の一実施例を示す縦断面図
である。
１０……ブレーキバルブ、１２……本体、１２
ｃ……シリンダ孔、２１ａ，２１ｂ……入口、２
２ａ，２２ｂ……出口、２３……排気口、２７…
…プランジヤ、３０……ばね装置、３１……第１
のばね、３２……第２のばね、３８……リング部
材（摺動材）、４０……ピストン、９１……第１
のばね受け、９２……第２のばね受け、９３……
ストツパ。
FIG. 1 is a longitudinal sectional view showing an embodiment of this invention. 10...Brake valve, 12...Body, 12
c...Cylinder hole, 21a, 21b...Inlet, 2
2a, 22b...exit, 23...exhaust port, 27...
... Plunger, 30 ... Spring device, 31 ... First
Spring, 32... Second spring, 38... Ring member (sliding material), 40... Piston, 91... First
Spring receiver, 92...Second spring receiver, 93...
Stotspa.
Claims (1)
される出口、ならびに外気に連絡される排気口を
形成した本体と、入口、出口および排気口に連絡
して本体に形成したシリンダ孔と、シリンダ孔に
摺動自在に挿入され、一端側に出口の圧力を受圧
するピストンと、ピストンの一端側に形成され、
ピストンの移動に応じて出口の入口または排気口
への連通を制御する弁装置と、ピストンの他端側
に配置されるばね装置と、ブレーキペダルからの
入力をばね装置に伝達するプランジヤとを備え、
ばね装置が、所定の予負荷をもつてプランジヤと
ピストンとの間に設けられる第１のばねと、プラ
ンジヤがピストンに対して所定量接近すると作用
する第２のばねとを同心状に配置し、ピストンに
形成したストツパと第１のばねとの間に配置され
、プランジヤが当接する第１のばね受けと、第１
のばね受けに摺動自在にはまり合いストツパと第
２のばねとの間に配置され、第１のばね受けが所
定量ストツパ側からピストン側に移動したとき第
１のばね受けと係合する段部を形成した第２のば
ね受けを有しているブレーキバルブにおいて、第
１のばね受けと第２のばね受けとを、摩擦係数の
小さい摺動材を介して互いに摺動し合うようにし
たブレーキバルブ。 A main body having an inlet communicating with a pressure source, an outlet communicating with an actuator, and an exhaust port communicating with outside air, a cylinder hole formed in the main body communicating with the inlet, the outlet, and the exhaust port, and a cylinder. a piston that is slidably inserted into the hole and receives outlet pressure on one end side;
A valve device that controls communication between the outlet and the inlet or the exhaust port according to movement of the piston, a spring device disposed on the other end of the piston, and a plunger that transmits input from the brake pedal to the spring device. ,
the spring device concentrically arranges a first spring provided between the plunger and the piston with a predetermined preload, and a second spring that is activated when the plunger approaches the piston by a predetermined amount; a first spring receiver disposed between a stopper formed on the piston and the first spring and against which the plunger comes into contact;
a stage that is slidably fitted into the spring receiver, is disposed between the stopper and the second spring, and engages with the first spring receiver when the first spring receiver moves a predetermined amount from the stopper side to the piston side; In the brake valve, the first spring receiver and the second spring receiver are configured to slide against each other via a sliding material having a small coefficient of friction. brake valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14993089U JPH0388881U (en) | 1989-12-26 | 1989-12-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14993089U JPH0388881U (en) | 1989-12-26 | 1989-12-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0388881U true JPH0388881U (en) | 1991-09-11 |
Family
ID=31696303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14993089U Pending JPH0388881U (en) | 1989-12-26 | 1989-12-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0388881U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007238042A (en) * | 2006-03-13 | 2007-09-20 | Nabtesco Corp | Brake valve |
-
1989
- 1989-12-26 JP JP14993089U patent/JPH0388881U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007238042A (en) * | 2006-03-13 | 2007-09-20 | Nabtesco Corp | Brake valve |
| JP4633659B2 (en) * | 2006-03-13 | 2011-02-16 | ナブテスコオートモーティブ株式会社 | Brake valve |
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