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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
Application number
JP10187588U
Other languages
Japanese (ja)
Other versions
JPH0751964Y2 (en
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP10187588U priority Critical patent/JPH0751964Y2/en
Publication of JPH0221167U publication Critical patent/JPH0221167U/ja
Application granted granted Critical
Publication of JPH0751964Y2 publication Critical patent/JPH0751964Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Valves And Accessory Devices For Braking Systems (AREA)
  • Braking Systems And Boosters (AREA)

Description

【図面の簡単な説明】[Brief explanation of drawings]

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)

【実用新案登録請求の範囲】[Scope of utility model registration request] エアタンクと、前記エアタンクに直接接続され
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.
JP10187588U 1988-07-29 1988-07-29 Parking brake device Expired - Lifetime JPH0751964Y2 (en)

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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH031874U (en) * 1989-05-30 1991-01-10

Cited By (1)

* Cited by examiner, † Cited by third party
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

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