JPS6324076U

JPS6324076U -

Info

Publication number: JPS6324076U
Application number: JP11789086U
Authority: JP
Priority date: 1986-07-31
Filing date: 1986-07-31
Publication date: 1988-02-17

Description

[Brief explanation of the drawing]

第１図は本考案に係るパーキングブレーキの操
作装置の一実施例を示す側面図、第２図は同操作
装置におけるプランジヤとポールとの噛合状態を
示す拡大部分側面図、第３図は第２図の―線
に沿う縦断正面図、第４図は同操作装置における
要部拡大横断平面図、第５図は同部分縦断面図、
第６図は第４図、第５図に示した環状カム斜面の
外径線を展開した図、第７図は第４図の―線
に沿う断面図である。符号の説明、１１…プランジヤ、１１ａ，１１
ｂ…歯部、１６…操作ケーブル、１７…ポール、
１８…トーシヨンスプリング、２１…第１カム、
２１ａ…環状カム斜面、２２…スリーブ、２２ａ
…内向環状フランジ、２２ｂ…キー溝、２４…ハ
ンドル、２４ｂ…ハンドルの軸、２４ｂ_１…ガイ
ド溝、２５…第２カム、２５ａ…環状カム斜面、
２８…スプリング、３１…ロツド、３１ａ…キー
、３２…ノブ、３３…スプリング。 Fig. 1 is a side view showing an embodiment of the parking brake operating device according to the present invention, Fig. 2 is an enlarged partial side view showing the engaged state of the plunger and pawl in the operating device, and Fig. 3 is the second embodiment of the parking brake operating device. 4 is an enlarged cross-sectional plan view of the main part of the operating device, and FIG. 5 is a longitudinal sectional view of the same part.
FIG. 6 is a developed view of the outer diameter line of the annular cam slope shown in FIGS. 4 and 5, and FIG. 7 is a sectional view taken along the line -- in FIG. 4. Explanation of symbols, 11...Plunger, 11a, 11
b...Tooth part, 16...Operation cable, 17...Pole,
18... Torsion spring, 21... First cam,
21a... Annular cam slope, 22... Sleeve, 22a
... Inward annular flange, 22b... Keyway, 24... Handle, 24b... Handle shaft, 24b ₁ ... Guide groove, 25... Second cam, 25a... Annular cam slope,
28...Spring, 31...Rod, 31a...Key, 32...Knob, 33...Spring.

Claims

[Scope of utility model registration request]

A plunger with a handle attached to one end is attached to the vehicle body so that it can slide in the axial direction and rotate around the axis, and a parking brake operation cable is connected to the other end of the plunger, so that the driver can put his hand on the handle. When the driver pulls the plunger, the parking brake is activated, and when the driver pulls the plunger, the brake reaction force prevents the plunger from returning, and this blocking action is achieved by rotating the plunger. In a parking brake operating device provided with a locking mechanism for releasing, the tip of a shaft provided integrally with the handle is axially moved by a predetermined amount with respect to a sleeve provided coaxially and integrally rotatably with one end of the plunger. A first cam is integrally provided on one end of the plunger, the first cam being slidable and rotatable about an axis, and having an annular cam slope facing in the direction of the handle pulling force, and the first cam being housed within the sleeve. A second cam is provided with an annular cam slope corresponding to the annular cam slope provided on the first cam at the tip of the shaft of the handle.
A cam is integrally provided, and the annular cam slopes of both cams are elastically pressed against each other by a spring to hold the handle at a predetermined angular position with respect to the plunger. A guide groove is provided along the axial direction, the rod is provided in the guide groove so as to be able to slide in the axial direction, and is integrally provided around the axis, and a key groove provided in the sleeve is provided at the plunger side end of the rod. A key for engaging and disengaging the plunger is integrally provided, and a knob is integrally provided at the handle side end of the rod, and the rod, key, and knob are urged toward the plunger to remove the key from the key groove. A parking brake operating device equipped with a spring.