초록 ▼

An electrical connector (300) includes a number of wafers (30) and each wafer including an insulative housing (31) and a number of contacts (32). The housing defines a mating surface (311) and a mounting surface (312), and a plurality of passages (313) concaved from the mounting surface. The housing

An electrical connector (300) includes a number of wafers (30) and each wafer including an insulative housing (31) and a number of contacts (32). The housing defines a mating surface (311) and a mounting surface (312), and a plurality of passages (313) concaved from the mounting surface. The housing has a platform (314) formed in each passage and two cavities (315) defined on opposite sides of the platform. The platform has a pair of protruding portions (316) disposed above the cavities respectively. Each cavity has an opening (317) defined in the mounting surface. The contacts are received in the passages of the insulative housing. Each contact includes a receptacle (321) formed with a pair of legs (324). Each leg has a preloaded portion (325). The preloaded portion is insertable into the cavity via the opening along a mounting direction perpendicular to the mounting surface while spreading out the legs.

대표청구항 ▼

What is claimed is: 1. An electrical connector comprising: a plurality of wafers aligned in parallel fashion, each wafer comprising: an insulative housing defining a mating surface and a mounting surface perpendicular to the mating surface, a plurality of passages concaved from the mounting surface

What is claimed is: 1. An electrical connector comprising: a plurality of wafers aligned in parallel fashion, each wafer comprising: an insulative housing defining a mating surface and a mounting surface perpendicular to the mating surface, a plurality of passages concaved from the mounting surface, the insulative housing having a platform formed in each passage and two cavities defined on opposite sides of the platform, the platform having a pair of protruding portions formed thereon and disposed above the cavities respectively, each cavity having an opening defined in the mounting surface; and a plurality of contacts received in the passages of the insulative housing, each contact comprising a receptacle formed with a pair of legs, each leg having a preloaded portion, the preloaded portion being insertable into the cavity via the opening along a mounting direction perpendicular to the mounting surface while spreading out the legs; wherein said platform is formed with a pair of side walls, the distance between the side walls is larger than the distance between the pair of the legs, and said preloaded portions of the legs respectively resist against the side walls; wherein said platform defines an engaging hole between the pair of the side walls, the engaging hole extending through the mating surface and communicating with the passage for insertion of a pin of a mating connector. 2. The electrical connector as claimed in claim 1, wherein said preloaded portion is disposed below the protruding portion. 3. The electrical connector as claimed in claim 1, wherein each contact is substantially right-angled, and comprises a tail portion for being mounted on a printed circuit board and an interconnected portion connected with the tail portion and the receptacle. 4. The electrical connector as claimed in claim 3, wherein said wafer further comprises an insulative cover mounted on the insulative housing and covering the interconnected portions of the contacts. 5. The electrical connector as claimed in claim 1, wherein said wafer further comprises a shielding plate molded with the insulative housing. 6. The electrical connector as claimed in claim 1, further comprising a stiffener supporting the wafers and connecting the wafers together. 7. An electrical connector assembly comprising: a first connector comprising a shroud defining a receiving space and a plurality of pins disposed in the receiving space; and a second connector comprising a plurality of wafers for inserting into the receiving space of the first connector, each wafer comprising: an insulative housing defining a mating surface and a mounting surface perpendicular to the mating surface, a plurality of passages concaved from the mounting surface, the insulative housing having a platform formed in each passage and two cavities defined on opposite sides of the platform, the platform having a pair of protruding portions formed thereon and disposed above the cavities respectively, each cavity having an opening defined in the mounting surface; and a plurality of contacts received in the passages of the insulative housing, each contact comprising a receptacle formed with a pair of legs, each leg having a preloaded portion, the preloaded portion being insertable into the cavity via the opening along a mounting direction perpendicular to the mounting surface while spreading out the legs; wherein said platform is formed with a pair of side walls, the distance between the side walls is larger than the distance between the pair of the legs, and said preloaded portions of the legs respectively resist against the side walls; wherein said platform defines an engaging hole between the pair of the side walls, the engaging hole extending through the mating surface and communicating with the passage for insertion of a pin of a mating connector. 8. The electrical connector assembly as claimed in claim 7, wherein said preloaded portion is disposed below the protruding portion. 9. The electrical connector assembly as claimed in claim 7, wherein each contact is substantially right-angled, and comprises a tail portion for being mounted on a printed circuit board and an interconnected portion connected with the tail portion and the receptacle. 10. The electrical connector assembly as claimed in claim 9, wherein said wafer further comprises an insulative cover mounted on the insulative housing and covering the interconnected portions of the contacts. 11. An electrical connector assembly comprising: a plurality of wafers side by side intimately stacked with one another; each of said wafer including an insulative housing defining a front connector mating port and a rear board mounting port in a front-to-back direction, and two opposite transverse surfaces in a thickness direction perpendicular to said front-to-back direction; a plurality of non-linear passageways defined in the housing and communicating said mating port and the board mounting port, said passageways extending through one of said two opposite transverse surfaces; and a plurality of contacts assembled into the corresponding passageways, respectively, along said thickness direction through said one of the transverse surfaces, each of said contacts defining a contacting section with a preloaded portion at a free end thereof; wherein a protruding portion is formed on said one of the two opposite surfaces to shield said preloaded portion along said thickness direction after said preloaded portion is moved to a final preloaded position after assembled; wherein the other of said two opposite surfaces defines therein an opening in alignment with said protruding portion in said thickness direction so as to form said protruding portion during injection molding said wafer; wherein said housing defines a platform in front of the corresponding passageway and between said protruding portion and said opening in said thickness direction, which said preloaded portion abuts against; wherein said one of the two opposite surfaces defines another opening beside said protruding portion in a vertical direction so as to allow the corresponding preloaded portion to pass therethrough during assembling and successively moved to the final preloaded position behind the protruding portion; wherein said preloaded portion is forcibly deflected during passing through said another opening. 12. The electrical connector assembly as claimed in claim 11, wherein the platform defines two opposite side in a vertical direction, and the preloaded portion of the contact abuts against one of said two opposite sides under condition that said wafer defines an engaging hole by the other of said two opposite sides for receiving a pin type contact of the complementary connector.