The invention discloses a self-adjusting mechanism of a drum brake. The self-adjusting mechanism comprises a tension spring, a push plate, a gap adjusting plate and a plate pin, the gap adjusting plate is hinged to one end of the push plate, the plate pin penetrates through respective pin holes in the push plate and the gap adjusting plate to hinge the push plate and the gap adjusting plate, and the push plate and the gap adjusting plate form a tooth meshing pair through tooth meshing; one end of the tension spring is hooked with the plate pin, a spring connecting hole is formed in the position, close to the gap adjusting plate, of the middle of the push plate, and the other end of the tension spring crosses the gap adjusting plate and then is hooked to the spring connecting hole of the push plate. The self-adjusting mechanism is simple in structure, easy to assemble and small in occupied space position.
本发明公开了一种鼓式制动器的自调机构。自调机构包括拉紧弹簧、推板、调隙板和板销,调隙板铰接安装在推板的一端,用板销穿过推板和调隙板上各自的销孔将推板和调隙板之间铰接,推板和调隙板之间通过齿啮合形成齿啮合副;拉紧弹簧一端与板销钩接,靠近调隙板的推板中部开设弹簧接孔,用拉紧弹簧另一端越过调隙板后钩接到推板的弹簧接孔处。本发明的自调机构结构简单,装配容易,且占据空间位置小。
Novel self-adjusting mechanism
新型自调机构
2021-11-23
Patent
Electronic Resource
Chinese
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