Patent ID: 6220903
Filing Date: 2001-04-24
Classification: H01R,Y10T

Abstract:
An improved structure of a plastic housing of a board-to-board connector for temporarily retaining guiding pins until the guiding pins are soldered to a circuit board, comprisinga) a base seat having two longitudinal walls and a central protruded rib portion extending parallel to the two longitudinal walls with a plurality of slots along the two lateral sides of the rib portion, a through hole being formed at a bottom portion of each slot for receiving the guiding pin and an external side of the slots being corresponding to a plurality of notches formed on an inner surface of each of the two longitudinal walls, each notch having a sloping guiding surface at the inner surface thereof, at each longitudinal end of the rib portion, an engaging surface being provided, and a top surface of the engaging surface being provided with a blocking block and a protrusion; andb) a top cap having a flat top end, and two longitudinal ends of the cap each provided with an engaging portion, having a hollow recess for engagement with the blocking block and the protrusion of the engaging surface of the base seat, a bottom portion of the top cap having a plurality of corresponding protruded blocks extending in two parallel rows in a longitudinal direction, the two rows forming a center slot for receiving he central protruded rib portion of the base seat, the corresponding inner surface of the protruded blocks being wavelike surface to form into a sloping-shape engaging surface, so that protruded block is smoothly inserted and clipped at each notch, wherein the wavelike surface of the protruded block provides a tight mounting of the guiding pin to the sloping guiding surface of the notch, thereby the lifting of the top cap from the base seat causes the protruded blocks to release the clipping of the guiding pins, and the engagement of the engaging portion and the blocking block is partially released so that the base seat and the top cap will be lifted together, and thus the plastic housing is removed while the guiding pins are retained on the circuit board.