JPS63159370U

JPS63159370U -

Info

Publication number: JPS63159370U
Application number: JP5329487U
Authority: JP
Priority date: 1987-04-08
Filing date: 1987-04-08
Publication date: 1988-10-19

Description

[Brief explanation of drawings]

第１図は本考案パーキングブレーキ引締装置の
側面図、第２図は同・一部作動状態説明図、第３
図は同・空気圧作動機構斜視図、第４図は同・空
気圧作動回路図、第５図は同・間欠回路図である
。Ａ…パーキングブレーキ引締装置、１…取付部
材、３…連結腕、５…ブレーキ・ステツキ、９…
連結部材、１２…下腕部材、１５…上腕部材、１
７…引締め機構作動用引張部材、１９…パーキン
グ・ブレーキ作動表示スイツチ、２０…ブレーキ
・ステツキ上限規制スイツチ、２２…空気圧作動
機構、２３…間欠回路、２４…空気圧作動回路。 Fig. 1 is a side view of the parking brake tightening device of the present invention, Fig. 2 is a partially operational state diagram of the same, and Fig. 3 is a side view of the parking brake tightening device of the present invention.
The figure is a perspective view of the pneumatic operating mechanism, FIG. 4 is a pneumatic operating circuit diagram, and FIG. 5 is an intermittent circuit diagram. A... Parking brake tightening device, 1... Mounting member, 3... Connecting arm, 5... Brake stick, 9...
Connection member, 12... Lower arm member, 15... Upper arm member, 1
7... Tension member for operating the tightening mechanism, 19... Parking brake operation display switch, 20... Brake stick upper limit regulation switch, 22... Pneumatic operating mechanism, 23... Intermittent circuit, 24... Pneumatic operating circuit.

Claims

[Scope of utility model registration request]

The lower end of the brake stick is pivotally connected to the free end of the connecting arm that operates the brake mechanism by pivoting the base end to the lower part of the mounting member fixed to the vehicle body, and connecting the power-on relay provided on the mounting member to the lower end of the brake stick. a connecting member that can be turned on and off at will, a ratchet pawl is provided on the upper protruding part of the connecting member pivoted on the upper part of the mounting member, and a lower arm member is provided with one end pivoted on the lower protruding part;
an upper arm having a proximal end pivotally connected to the brake cane between the upper overhanging part and the lower overhanging part, having a ratchet claw that engages with a ratchet part of the brake cane, and having an intermediate part pivotally connected to the lower arm member; A member is provided, one end of a tensioning member for actuating the tightening mechanism is attached to the free end of the upper arm member, and a parking brake operation display switch and a brake stick upper limit regulation switch are attached to the mounting member, which are operated by the connecting arm when the brake stick is pulled. a parking brake tightening device, wherein the other end of the tightening mechanism actuating tension member is connected to a pneumatic actuating mechanism, and the pneumatic actuating mechanism is actuated by a pneumatic actuating circuit incorporating an intermittent circuit.