JPS62131131U

JPS62131131U -

Info

Publication number: JPS62131131U
Application number: JP1960486U
Authority: JP
Priority date: 1986-02-14
Filing date: 1986-02-14
Publication date: 1987-08-19

Description

[Brief explanation of the drawing]

図は本考案の一実施例を示すもので、第１図は
ホイールシリンダの平面図、第２図は第１図の
―断面図、第３図ロツクスプリングの斜視図で
ある。１……ホイールシリンダ、２……シリンダボデ
イ、３……ブレーキシユー、５……シリンダ、９
……ピストン、１０……液圧室、１２……アジヤ
ストボルト、１３……スリツト、１４……ブレー
キシユー、１６……アジヤストギア、１６ａ……
調整歯、１７……ロツクスプリング、１７ａ……
係合爪、１７ｂ……平坦部、１７ｃ……弾発片、
１８……制動間隙調整装置、１９……ビス、２０
……ガイドピン。 The drawings show an embodiment of the present invention, in which FIG. 1 is a plan view of a wheel cylinder, FIG. 2 is a cross-sectional view of FIG. 1, and FIG. 3 is a perspective view of a lock spring. 1...Wheel cylinder, 2...Cylinder body, 3...Brake shoe, 5...Cylinder, 9
... Piston, 10 ... Hydraulic pressure chamber, 12 ... Adjustment bolt, 13 ... Slit, 14 ... Brake shoe, 16 ... Adjustment gear, 16a ...
Adjustment tooth, 17...Lock spring, 17a...
Engagement claw, 17b... flat part, 17c... resilient piece,
18...braking gap adjustment device, 19...screw, 20
……guide pin.

Claims

[Scope of utility model registration request]

One end of a piston that is movably inserted into the cylinder of the wheel cylinder is provided to protrude outside the cylinder, and an adjustment bolt that supports the rotating side end of the brake shoe is screwed onto the piston, and
An adjustment gear is provided at the outer end of the piston,
In a braking gap adjustment device for a vehicle drum brake, in which an engagement claw formed at the tip of a plate-shaped lock spring is engaged with an adjustment tooth carved on the outer periphery of the adjustment gear, the lock spring is pivotally supported on a wheel cylinder. A braking gap adjusting device for a drum brake for a vehicle, characterized in that a part of the lock spring is bent to form a resilient portion having a spring force in a tangential direction of the adjustment gear.