JPH0367261U - - Google Patents
Info
- Publication number
- JPH0367261U JPH0367261U JP12458289U JP12458289U JPH0367261U JP H0367261 U JPH0367261 U JP H0367261U JP 12458289 U JP12458289 U JP 12458289U JP 12458289 U JP12458289 U JP 12458289U JP H0367261 U JPH0367261 U JP H0367261U
- Authority
- JP
- Japan
- Prior art keywords
- piston
- cylinder hole
- valve
- pressure chamber
- inlet
- 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
- 229920003002 synthetic resin Polymers 0.000 claims description 3
- 239000000057 synthetic resin Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 2
Landscapes
- Valves And Accessory Devices For Braking Systems (AREA)
Description
第1図は本考案の実施例を示す縦断面図である
。
2…本体、3…上本体、4…下本体、5…シリ
ンダ孔、6,7…入口、8,9…出口、10…排
気口、11…ピストン、12…大径部、13…中
空軸部、14…周溝、15…密封部となる摺動部
、16…摺動部、17A…合成樹脂製シールリン
グ、17A…ゴム製Oリング、18…摺動部材、
19…戻しはね、A…圧力室。
FIG. 1 is a longitudinal sectional view showing an embodiment of the present invention. 2...Main body, 3...Upper body, 4...Lower body, 5...Cylinder hole, 6, 7...Inlet, 8, 9...Outlet, 10...Exhaust port, 11...Piston, 12...Large diameter part, 13...Hollow shaft Part, 14... Circumferential groove, 15... Sliding part serving as a sealing part, 16... Sliding part, 17A... Synthetic resin seal ring, 17A... Rubber O-ring, 18... Sliding member,
19...Return, A...pressure chamber.
Claims (1)
接続される出口と外気に連通する排気口とを形成
された本体と、入口及び出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
入され出口に連絡する圧力室を区画しブレーキプ
ダルからの入力を受けて移動可能なピストンと、
該ピストンの移動に応じて開閉可能に設けられ入
口と圧力室との間の連通・遮断を行う給気弁及び
圧力室と排気口との間の連通・遮断を行う排気弁
と、前記ピストンを給気弁が閉じ排気弁が開く方
向に付勢する戻しばねとを有し、ピストンは、シ
リンダ孔に対する密封部と摺動部とを有している
ブレーキバルブにおいて、前記密封部にはシリン
ダ孔に密に摺動する合成樹脂製シールリングを、
前記摺動部にはシリンダ孔に摺動する合成樹脂製
摺動部材を各々に設けたブレーキバルブ。 A main body formed with an inlet connected to a compressed air source, an outlet connected to a pneumatic actuator, and an exhaust port communicating with outside air, a cylinder hole formed in the main body in communication with the inlet and the outlet, and a cylinder hole. a piston that is slidably inserted into the piston, defines a pressure chamber communicating with the outlet, and is movable in response to input from the brake pad;
An air supply valve that is openable and closable according to the movement of the piston and that communicates and shuts off the inlet and the pressure chamber; and an exhaust valve that connects and shuts off the pressure chamber and the exhaust port; In the brake valve, the piston has a sealing part and a sliding part with respect to the cylinder hole, and the piston has a return spring that biases the air supply valve in a direction that closes and the exhaust valve opens. A synthetic resin seal ring that slides tightly against the
In the brake valve, each of the sliding parts is provided with a synthetic resin sliding member that slides into the cylinder hole.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1989124582U JP2515291Y2 (en) | 1989-10-26 | 1989-10-26 | Brake valve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1989124582U JP2515291Y2 (en) | 1989-10-26 | 1989-10-26 | Brake valve |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0367261U true JPH0367261U (en) | 1991-07-01 |
JP2515291Y2 JP2515291Y2 (en) | 1996-10-30 |
Family
ID=31672492
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1989124582U Expired - Fee Related JP2515291Y2 (en) | 1989-10-26 | 1989-10-26 | Brake valve |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2515291Y2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007238042A (en) * | 2006-03-13 | 2007-09-20 | Nabtesco Corp | Brake valve |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62199560A (en) * | 1986-02-24 | 1987-09-03 | アライド・コ−ポレ−シヨン | Two system brake valve |
-
1989
- 1989-10-26 JP JP1989124582U patent/JP2515291Y2/en not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62199560A (en) * | 1986-02-24 | 1987-09-03 | アライド・コ−ポレ−シヨン | Two system brake valve |
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 |
Also Published As
Publication number | Publication date |
---|---|
JP2515291Y2 (en) | 1996-10-30 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
LAPS | Cancellation because of no payment of annual fees |