ACTUATOR EQUIPPED COMPONENT

摘要

An actuator includes a roller, a roller pin, and a tappet. The roller is in contact with the cam. The roller pin rotationally supports the roller. The tappet is connected with the roller via the roller pin and is integrally movable with the roller and the roller pin. The tappet is movable back and forth integrally with an actuated object. The tappet has an accommodation chamber and a roller releasing portion. The accommodation chamber rotationally accommodates the roller. The roller releasing portion is located inside an inner wall of the accommodation chamber to restrict the tappet from making contact with an outer periphery of the roller. The roller releasing portion has a reinforcing rib in a recessed curved shape. The reinforcing rib is projected from a reference surface of the inner wall of the accommodation chamber toward the roller.

主权项

1. An actuator equipped component comprising:
a camshaft including a cam configured to be rotated by an internal combustion engine; an actuated object movable back and forth along a shape of the cam; and an actuator configured to convert a rotary motion of the cam into a reciprocating motion of the actuated object and to actuate the object to move back and forth, wherein the actuator includes:
a roller in contact with the cam;a roller pin rotationally supporting the roller; anda tappet connected with the roller via the roller pin and integrally movable with the roller and the roller pin, the tappet movable back and forth integrally with the actuated object, wherein the tappet has:
an accommodation chamber rotationally accommodating the roller; anda roller releasing portion located inside an inner wall of the accommodation chamber and configured to restrict the tappet from making contact with an outer periphery of the roller, wherein the roller releasing portion has a reinforcing rib in a recessed curved shape, and the reinforcing rib is projected from a reference surface of the inner wall of the accommodation chamber toward the roller.