The utility model is composed of a land wheel, a driving pin, a driving crank arm, a driving inserted link, a release spring, and a driving ratchet.
它由地轮、传动销、传动拐臂、传动插杆、回位弹簧和传动棘轮组成。
The relative speed between driving wheel and pin rail varies with sinusoidal function.
驱动轮和销轨的相对速度按正弦函数变化。
Easy dismantling is made possible by dropping the bonnet assembly into the body cavity and driving out the four-segmental thrust rings by means of a push pin.
将阀帽总装拆离阀腔，采用推针取出四个部分的推力环，拆卸变得简便易行。
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