JPH0221167U - - Google Patents
Info
- Publication number
- JPH0221167U JPH0221167U JP10187588U JP10187588U JPH0221167U JP H0221167 U JPH0221167 U JP H0221167U JP 10187588 U JP10187588 U JP 10187588U JP 10187588 U JP10187588 U JP 10187588U JP H0221167 U JPH0221167 U JP H0221167U
- Authority
- JP
- Japan
- Prior art keywords
- air
- chamber
- spring
- parking brake
- spring 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.)
- Granted
Links
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 230000005856 abnormality Effects 0.000 claims 1
- 230000004913 activation Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Braking Systems And Boosters (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
Description
第１図は本考案に係るパーキングブレーキ装置
の系統図、第２図は本考案に用いられるスプリン
グブレーキチヤンバの一半部断面図、第３図は指
示器系統の系統図である。
１０……パーキングブレーキ装置、１２……エ
アタンク、１４……リレーバルブ、１６……パー
キングブレーキコントロールバルブ、１８……ス
プリングブレーキチヤンバ、１９……解放エア注
入室、２０……スプリング、２２……プツシユロ
ツド、２８……パーキングブレーキ手段、３０，
３０′……タイヤ、３２……ダブルチエツクバル
ブ、３４……外部エア源、３６……コネクタ、３
８，４０……作動スイツチ。
FIG. 1 is a system diagram of a parking brake device according to the present invention, FIG. 2 is a partial sectional view of a spring brake chamber used in the present invention, and FIG. 3 is a system diagram of an indicator system. 10... Parking brake device, 12... Air tank, 14... Relay valve, 16... Parking brake control valve, 18... Spring brake chamber, 19... Release air injection chamber, 20... Spring, 22... Push rod, 28... Parking brake means, 30,
30'...Tire, 32...Double check valve, 34...External air source, 36...Connector, 3
8,40...operation switch.
Claims (1)
て作業用エアが供給される主入力ポートと前記エ
アタンクからスプリングブレーキコントロールバ
ルブを介して主入力ポートを制御する制御用エア
が供給される制御入力ポートとを有するリレーバ
ルブと、前記リレーバルブの出力ポートに接続さ
れる解放エア注入室を有するスプリングブレーキ
チヤンバと、前記スプリングブレーキチヤンバの
プツシユロツドに接続されて前記解放エア注入室
が排気された時に前記プツシユロツドがスプリン
グによつて引込まれて車輪にパーキングブレーキ
を作用させるパーキングブレーキ手段と、前記リ
レーバルブとスプリングブレーキチヤンバとの間
に設けられ外部エア源が接続されるコネクタを有
するダブルチエツクバルブとを備えたパーキング
ブレーキ装置において、前記ダブルチエツクバル
ブと前記スプリングブレーキチヤンバとの間にエ
アによつて作動されて車両の異常、パーキングブ
レーキの作動を指示する指示器作動スイツチが設
けられていることを特徴とするパーキングブレー
キ装置。 It has an air tank, a main input port that is directly connected to the air tank and is supplied with working air, and a control input port that is supplied with control air that controls the main input port from the air tank via a spring brake control valve. a spring brake chamber having a relay valve and a release air injection chamber connected to an output port of the relay valve; and a spring brake chamber connected to a push rod of the spring brake chamber so that when the release air injection chamber is evacuated, the push rod Parking brake means that is pulled in by a spring to apply a parking brake to the wheels, and a double check valve that is provided between the relay valve and the spring brake chamber and has a connector to which an external air source is connected. The parking brake device is characterized in that an indicator activation switch is provided between the double check valve and the spring brake chamber, and is actuated by air to indicate an abnormality in the vehicle and to activate the parking brake. parking brake device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10187588U JPH0751964Y2 (en) | 1988-07-29 | 1988-07-29 | Parking brake device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10187588U JPH0751964Y2 (en) | 1988-07-29 | 1988-07-29 | Parking brake device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0221167U true JPH0221167U (en) | 1990-02-13 |
| JPH0751964Y2 JPH0751964Y2 (en) | 1995-11-29 |
Family
ID=31331268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10187588U Expired - Lifetime JPH0751964Y2 (en) | 1988-07-29 | 1988-07-29 | Parking brake device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0751964Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH031874U (en) * | 1989-05-30 | 1991-01-10 |
-
1988
- 1988-07-29 JP JP10187588U patent/JPH0751964Y2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH031874U (en) * | 1989-05-30 | 1991-01-10 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0751964Y2 (en) | 1995-11-29 |