BALL JOINT STRUCTURE AND MANUFACTURING METHOD THEREOF

摘要

A ball joint structure and methods of manufacturing. An exemplary embodiment of the ball joint structure includes: a ball stud having a ball formed at one end; a bearing comprising a first bearing coupled to the ball for an interior surface to slide on an exterior surface of the ball and covering an exterior surface of one side of the ball, and a second bearing coupled to the ball for an interior surface to slide on the exterior surface of the ball and covering an exterior surface of the other side of the ball; a ball housing insert-molded to cover the outside of the bearing; and a metal reinforcement provided at an exterior surface of the ball housing and covering the ball housing, wherein a side surface of the metal reinforcement is knurled, and the first and second bearings have protrusions and depressions formed at an outer circumferential surface.

主权项

1. A ball joint structure comprising:
a ball stud having a ball formed at one end thereof; a bearing comprising a first bearing coupled to the ball for an interior surface thereof to slide on an exterior surface of the ball and covering an exterior surface of one side of the ball, and a second bearing coupled to the ball for an interior surface thereof to slide on the exterior surface of the ball and covering an exterior surface of the other side of the ball; a ball housing, together with the bearing, insert-molded so as to cover the outside of the bearing; and a metal reinforcement provided at an exterior surface of the ball housing and covering the ball housing, wherein a side surface of the metal reinforcement is knurled, and the first bearing and the second bearing have protrusions and depressions formed at an outer circumferential surface thereof so as to strengthen adhesive force when insert-molding the ball housing.