| 主权项 |
1. A card edge connector, comprising:
an elongated insulative housing having an elongated central slot for receiving a daughter card and at least one tower located on one end thereof, the tower has an outside wall, an inner wall corresponding to the outside wall along the longitudinal direction of the housing, a connecting wall, and a rear wall opposite to the connecting wall, the tower defining a receiving cavity surrounded by the outside wall, the inner wall, the connecting wall and the rear wall, the receiving cavity passing through the rear wall in an up-to-down direction, the inner wall having a clipping slot communicating with the receiving cavity and the central slot to clip the daughter card, the outside wall connecting with the connecting wall and the rear wall to prevent the daughter card from moving outwardly in a longitudinal direction; a plurality of contacts retained in the housing; and at least one latch received in the receiving cavity of the housing and rotating around an axis extending along the longitudinal direction, the latch having a locking head to lock with a notch of the daughter card so as to prevent the daughter card from escaping out of the central slot along a mating direction; wherein the locking head has a bump at a free end thereof, which is used for passing through the notch of the daughter card to abut against the daughter card, the bump has a pushing surface abutting against an outside surface of the daughter card to prevent the daughter card from swinging and a guiding surface extending outwardly from the pushing surface, the guiding surface extend downwardly and forwardly from a rear end of the pushing surface to form an acute angle with the pushing surface so as to guide the locking head passing through the notch of the daughter card easily; and wherein the housing further includes two spacers located on a bottom side thereof and a cover, the cover is assembled to the rear side of the housing, each spacer defines a plurality of through holes, each contact has a retaining portion retained in the housing, a soldering leg extending downwardly beyond the housing from the retaining portion and being received in the through hole, a part of the retaining portion which is exposed in the rear side of the housing is covered by the cover. |
