JPS5953161U - Parking brake device - Google Patents

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

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

第１図はパーキングブレーキのケーブル配線状態を示す
概略側面図、第２図はパーキングブレーキの一般的な内
部構造を示す断面図、第３図は本考案の好適一実施例を
示す概略構成図、第４゛図は本考案に採用される作動圧
力制御手段の一例を示す側断面図、第５図は本考案によ
るアシスト力の制御状態を示すグラフ、第６図、第７図
及び第８図は変形例を示す概略構成図である。 図中、２はパーキングブレーキ、６はブレーキレバ一部
材、６ａはその力点側、９は伝達部材として例示したケ
ーブル、１９は作動圧室、２３は付勢手段、２４は作動
圧力制御手段である。FIG. 1 is a schematic side view showing the cable wiring state of the parking brake, FIG. 2 is a sectional view showing the general internal structure of the parking brake, and FIG. 3 is a schematic configuration diagram showing a preferred embodiment of the present invention. Fig. 4 is a side sectional view showing an example of the operating pressure control means adopted in the present invention, Fig. 5 is a graph showing the assist force control state according to the invention, Figs. 6, 7, and 8. FIG. 2 is a schematic configuration diagram showing a modified example. In the figure, 2 is a parking brake, 6 is a brake lever member, 6a is its force side, 9 is a cable exemplified as a transmission member, 19 is an operating pressure chamber, 23 is a biasing means, and 24 is an operating pressure control means. .

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 駆動系を制動させるパーキングブレーキを作動するブレ
ーキレバ一部材と、該ブレーキレバ一部材を作動させる
べくその力点側と運転席側に設けられたパーキングレバ
一部材の作用点側との間に掛は渡され操作力を伝達する
ための伝達部材とを有スるパーキングブレーキ装置にお
いて、上記伝達部材に並列に設けられ上記ブレーキレバ
一部材の力点側を制動方向へ付勢する付勢手段と、該付
勢手段を制動方向と反対方向へ押圧すべく膨張する作動
圧室と、上記伝達部材に加わる操作力を検出し、その操
作力に応じて上記作動圧室に順次作動圧力を給排させて
上記ブレーキレバ一部材にアシストさせるための作動圧
力制御手段とを備えたことを特徴とするパーキングブレ
ーキ装置。A brake lever member that operates a parking brake that brakes the drive system, and a part that is hooked between the power point side of the brake lever member and the application point side of the parking lever member provided on the driver's seat side in order to operate the brake lever member. A parking brake device comprising a transmission member for transmitting operating force across the parking brake device, comprising: a biasing means provided in parallel with the transmission member for biasing a force side of the brake lever member in a braking direction; A working pressure chamber expands to press the biasing means in a direction opposite to the braking direction, and an operating force applied to the transmission member is detected, and operating pressure is sequentially supplied to and discharged from the working pressure chamber according to the operating force. A parking brake device comprising: actuation pressure control means for assisting the brake lever member.