| 摘要 |
PURPOSE: An ignition plug is provided to combine at a reference torque while conveniently maintain and examine. CONSTITUTION: To combine an ignition plug to a cylinder head, a first screw unit(111) of a first body unit(110) is used. In case of apply a torque over a reference value to a tension unit of an elastic member(140), a spline unit of a third body unit(130) pushes the tension unit of the elastic member while rotating. Moreover, an end portion of a ground electrode(150) is adjusted toward an intake side. A fixing unit of the elastic member is inserted to a combine groove of the first body unit for preventing the elastic member from being slipped. In case of applying a combining force over a reference combining torque to the ignition plug, the ground electrode and a center electrode(160) are idle rotated. Thus, the ground electrode is rotated to adjust direction of the ground electrode. Thus, the end portion of the ground electrode is moved to the intake side for improving performance of the ignition plug.
|
