JPH0299062U - - Google Patents
Info
- Publication number
- JPH0299062U JPH0299062U JP867489U JP867489U JPH0299062U JP H0299062 U JPH0299062 U JP H0299062U JP 867489 U JP867489 U JP 867489U JP 867489 U JP867489 U JP 867489U JP H0299062 U JPH0299062 U JP H0299062U
- Authority
- JP
- Japan
- Prior art keywords
- piston
- spring
- communicating
- hole
- brake
- 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
- 230000000903 blocking effect Effects 0.000 claims 1
- 239000002184 metal Substances 0.000 claims 1
Landscapes
- Valves And Accessory Devices For Braking Systems (AREA)
- Springs (AREA)
Description
第１図は本考案の実施例によるブレーキバルブ
の縦断面図、第２図は従来のブレーキバルブにお
けるばね装置の縦断面図及び第３図は提案されて
いるばね装置の縦断面図である。
なお図において、３０……ラバースプリング、
８４……皿ばね、１００……ばね装置。
FIG. 1 is a longitudinal sectional view of a brake valve according to an embodiment of the present invention, FIG. 2 is a longitudinal sectional view of a spring device in a conventional brake valve, and FIG. 3 is a longitudinal sectional view of a proposed spring device. In the figure, 30...Rubber spring,
84... disc spring, 100... spring device.
Claims (1)
置に連絡される出口とに連通して形成した孔を有
する本体と、前記孔に連絡して前記本体に形成し
た排気孔と、前記孔に移動可能に挿入されるピス
トンと、該ピストンの一端側に設けられ該ピスト
ンの移動に応じて前記出口の前記入口及び前記排
気孔への連通・遮断を制御する弁装置と、前記ピ
ストンの他端側に設けられブレーキペダルからの
入力を前記ピストンに伝えるばね装置と、前記ピ
ストンを前記他端側に向つて付勢する戻しばねと
を備え、前記ばね装置はゴム製の筒型ばねを有し
ているブレーキバルブにおいて、前記筒型ばねと
直列に前記戻しばねの初期張力より大きい張力を
もたせて金属製のばねを設けたブレーキバルブ。 a body having a hole formed in communication with an inlet communicating with a source of compressed air and an outlet communicating with a brake actuation device; an exhaust hole formed in the body communicating with the hole; and movable into the hole. a piston inserted into the piston; a valve device provided on one end of the piston for controlling communication/blocking of the outlet with the inlet and the exhaust hole in accordance with movement of the piston; and a valve device on the other end of the piston. A spring device is provided to transmit an input from a brake pedal to the piston, and a return spring biases the piston toward the other end, and the spring device has a cylindrical spring made of rubber. In the brake valve, a metal spring is provided in series with the cylindrical spring and has a tension greater than the initial tension of the return spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP867489U JPH0299062U (en) | 1989-01-27 | 1989-01-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP867489U JPH0299062U (en) | 1989-01-27 | 1989-01-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0299062U true JPH0299062U (en) | 1990-08-07 |
Family
ID=31214762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP867489U Pending JPH0299062U (en) | 1989-01-27 | 1989-01-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0299062U (en) |
-
1989
- 1989-01-27 JP JP867489U patent/JPH0299062U/ja active Pending