JPS5983658U

JPS5983658U - brake booster device

Info

Publication number: JPS5983658U
Application number: JP18102182U
Authority: JP
Inventors: 江藤　新一; 谷　正紀
Original assignee: 三菱自動車工業株式会社
Priority date: 1982-11-30
Filing date: 1982-11-30
Publication date: 1984-06-06
Also published as: JPS6327003Y2

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は従来のバキウムサーボブレーキの概略的構成図
、第２図はこの考案の一実施例を示すエヤーブレーキシ
ステムのブロック図、第３図は同しく電気信号変換器の
電気回路図、第４図は同じくブレーキブースタの縦断面
図、第５図は同じく切換弁機構部の拡大した断面図、第
６図はペダルの踏力と変位との関係を示すグラフ図、第
７図は電流とペダル変位の関係を示すグラフ図、第８図
は電流と圧縮空気圧との関係を示すグラフ図、第９図は
ロック機構の他の実施例を示す断面図であ　　　　−る
。１・・・車両重量センサ、２・・・ブレーキペダル変位
量センサ、３・・・電気信号変換器、５・・・電空変換
器、６・・・マスタレギュレータ、７・・・ブレーキブ
ースタ、８・・・マスクシリンダ、１０・・・シリンダ
、１１・・・シリンダ室、１２・・・パワーピストン、
１８・・・ピストン、２３・・・圧力室、２８・・・プ
ランジャ、３６・・・切換弁機構、４７・・・ロック機
構。Fig. 1 is a schematic configuration diagram of a conventional Vaquium servo brake, Fig. 2 is a block diagram of an air brake system showing an embodiment of this invention, and Fig. 3 is an electric circuit diagram of an electric signal converter. Figure 4 is a vertical cross-sectional view of the brake booster, Figure 5 is an enlarged cross-sectional view of the switching valve mechanism, Figure 6 is a graph showing the relationship between pedal force and displacement, and Figure 7 is a graph showing the relationship between pedal force and displacement. FIG. 8 is a graph showing the relationship between pedal displacement, FIG. 8 is a graph showing the relationship between electric current and compressed air pressure, and FIG. 9 is a sectional view showing another embodiment of the locking mechanism. DESCRIPTION OF SYMBOLS 1... Vehicle weight sensor, 2... Brake pedal displacement amount sensor, 3... Electric signal converter, 5... Electro-pneumatic converter, 6... Master regulator, 7... Brake booster, 8... Mask cylinder, 10... Cylinder, 11... Cylinder chamber, 12... Power piston,
18...Piston, 23...Pressure chamber, 28...Plunger, 36...Switching valve mechanism, 47...Lock mechanism.

Claims

[Scope of utility model registration request]

An electric signal converter converts the detection signals from the vehicle weight sensor and brake pedal displacement sensor into electric signals, an electro-pneumatic converter converts the electric signals into air pressure, and the electro-pneumatic converter and the master regulator The brake booster is composed of a brake booster connected to the brake booster and a mask cylinder connected to the brake booster. a piston having a locking mechanism that can be engaged with and detached from the cylinder; a pressure chamber provided within the piston; one end of which communicates with the master regulator; and the other end of which communicates with the cylinder chamber; A plunger is provided, one end of which moves reciprocatingly in conjunction with the brake pedal, and a plunger is provided between the plunger and the piston, which is normally cut off, and when the plunger reaches a predetermined stroke or more by the brake pedal, the pressure chamber and cylinder 1. An air brake device comprising a switching valve mechanism communicating with a chamber and operating a locking mechanism using compressed air to lock a piston and a cylinder and actuate the power piston.