ELECTRICAL CONNECTOR

• US 20140030920A1
• Filed: 07/30/2012
• Published: 01/30/2014
• Est. Priority Date: 07/30/2012
• Status: Active Grant

• Current Assignee: Cheng UEI Precision Industry Company Limited
• Original Assignee: Cheng UEI Precision Industry Company Limited
• Inventors: LAN, Rong-Qin, XU, Li-Jun, LIN, Ming-Han
• Granted Patent: US 8,740,649 B2
• Time in Patent Office: Days
• US Class Current: 439/607.01
• CPC Class Codes: H01R 12/00 Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures printed connections to, or between, printed circuits H05K1/11
• CPC Class Codes: H01R 12/722 coupling devices mounted on the edge of the printed circuits
• CPC Class Codes: H01R 13/506 assembled by snap action of the parts
• CPC Class Codes: H01R 13/6582 with resilient means for engaging mating connector
• CPC Class Codes: Y10S 439/904 Multipart shell

Abstract

An electrical connector adapted for being soldered to a circuit board includes an insulating housing, a shielding shell enclosing the insulating housing, a first terminal pack and a second terminal pack. The first terminal pack includes a first main body, and a plurality of first terminals molded to the first main body. The second terminal pack includes a second main body, and a plurality of second terminals molded to the second main body. The first terminal pack is engaged with the second terminal pack with first soldering portions of the first terminals and second soldering portions of the second terminals being alternately aligned in line to make all of the soldering portions show a single-row arrangement for being soldered with the circuit board. The first and second terminal packs are assembled to the insulating housing together with the shielding shell.

Claims

1. An electrical connector adapted for being soldered to a circuit board, comprising:

an insulating housing having a base frame which has a front wall, a top wall extending rearward from a top of the front wall, a bottom wall extending rearward from a bottom of the front wall, and two side walls respectively connecting between the top wall and the bottom wall, an inserting space being formed among the front wall, the top wall, the bottom wall and the two side walls, a substantial middle of the front wall protruding forward to form a tongue portion, the insulating housing defining a plurality of first terminal grooves of which each penetrates through a top surface of the tongue portion and an upper portion of the front wall, and a plurality of second terminal grooves of which each penetrates through a bottom surface of the tongue portion and a lower portion of the front wall;

a shielding shell enclosing the insulating housing;

a first terminal pack including a first main body, and a plurality of first terminals molded to the first main body, each of the first terminals having a first contact portion projecting beyond a front of the first main body, and a first soldering portion projecting behind a rear of the first main body; and

a second terminal pack including a second main body, and a plurality of second terminals molded to the second main body, each of the second terminals having a second contact portion projecting beyond a front of the second main body, and a second soldering portion projecting behind a rear of the second main body;

wherein the first terminal pack is engaged with the second terminal pack with the first soldering portions of the first terminals and the second soldering portions of the second terminals being alternately aligned in line to make all of the soldering portions show a single-row arrangement for being soldered with the circuit board, the first terminal pack and the second terminal pack are assembled to the insulating housing together with the shielding shell with the first main body and the second main body partially inserted in the inserting space of the insulating housing, the first contact portions of the first terminals being inserted into the first terminal grooves of the insulating housing through the inserting space of the insulating housing and the second contact portions of the second terminals being inserted into the second terminal grooves of the insulating housing through the inserting space of the insulating housing.

2. The electrical connector as claimed in claim 1, wherein the first main body of the first terminal pack has a first locating portion, and a first protruding portion protruding forward from a middle of a front of the first locating portion, the second main body of the second terminal pack has a step-shaped second locating portion, and a second protruding portion protruding forward from a middle of a front of a lower step of the second locating portion, a bottom of the first protruding portion of the first main body is positioned on a top face of the second protruding portion of the second main body, and a bottom of the first locating portion of the first main body is partially positioned on a top face of the lower step of the second locating portion of the second main body with a rear of the first locating portion of the first main body abutting against a front of an upper step of the second locating portion of the second main body.

3. The electrical connector as claimed in claim 2, wherein a plurality of channels is respectively concaved downward in a top of the upper step of the second locating portion and extends longitudinally to penetrate through a front and a rear of the top of the upper step of the second locating portion, the second soldering portions of the second terminals alternate with the channels of the second main body, the first soldering portions of the first terminals pass through the channels of the second main body to be alternately aligned with the second soldering portions of the second terminals in line so as to make all of the soldering portions show the single-row arrangement.

4. The electrical connector as claimed in claim 2, wherein two opposite sides of a bottom face of the first protruding portion of the first main body are recessed inward to form two inserting holes, two opposite sides of the top face of the second protruding portion of the second main body protrude upward to form two second locating pillars inserted into the two inserting holes of the first protruding portion of the first main body.

5. The electrical connector as claimed in claim 2, wherein two rears of two opposite sides of the first locating portion of the first main body extend downward to form two buckling arms of which two facing inner surfaces are concaved oppositely to form two fixing grooves, two fronts of two opposite sides of the second locating portion of the second main body are concaved inward to form two openings of which two opposite inner sidewalls protrude oppositely to form two fixing lumps, the buckling arms are received in the openings for fastening the two fixing lumps in the fixing grooves.

6. The electrical connector as claimed in claim 2, wherein two portions of a bottom surface of the top wall of the insulating housing protrude downward to form two first guiding blocks, a middle of a top surface of the bottom wall of the insulating housing is concaved downward to form a first guiding groove extending longitudinally to pass through a rear surface of the bottom wall, two opposite sides of a top face of the first protruding portion are concaved downward to form two second guiding grooves passing through a front face of the first protruding portion, a middle of a bottom surface of the second main body protrudes downward to form a second guiding block, the first protruding portion of the first main body and the second protruding portion of the second main body are partially inserted into the inserting space of the insulating housing by the guidance of the first guiding blocks sliding into the second guiding grooves and the second guiding block sliding into the first guiding groove.

7. The electrical connector as claimed in claim 2, wherein two portions of a rear of a top surface of the top wall of the insulating housing protrude upward to form two restricting blocks, two rears of two opposite sides of a bottom surface of the bottom wall of the insulating housing are recessed inward to form two buckling grooves, the shielding shell has a top plate of which two opposite sides of a rear edge are recessed inward to form two restricting grooves for restricting the restricting blocks therein, a bottom plate of which two opposite sides of a rear are punched inward to form two buckling pieces buckled in the buckling grooves, and two lateral plates of which two bottoms of two rears extend rearward and then extend upward to form two clamping pieces, two tops of the two clamping pieces bend face to face for pressing on two opposite sides of a rear of the first protruding portion of the first terminal pack.

8. The electrical connector as claimed in claim 2, further comprising a cover which has a flat plate, two opposite sides of a front edge of the flat plate are bent downward to form two fastening portions with two fastening holes being formed therein, two rears of two opposite sides of the flat plate are bent downward to form two blocking plates, two fronts of the two opposite sides of the flat plate are bent downward to form two bending arms of which each is spaced from the corresponding blocking plate to form a notch between each bending arm and the corresponding blocking plate, two substantial middles of the two opposite sides of the first locating portion protrude oppositely to form two first fastening blocks clamped in the notches, two opposite sides of a front of the first locating portion protrude forward to form two second fastening blocks fastened to the fastening holes.

9. The electrical connector as claimed in claim 8, wherein two rear edges of the two blocking plates of the cover are recessed forward to form two blocking gaps, two rears of two opposite sides of the second locating portion protrude oppositely to form two blocking blocks abutting against the two blocking gaps of the cover.

10. The electrical connector as claimed in claim 8, wherein two rears of two opposite sides of the flat plate of the cover are bent downward to form two blocking plates which are punched oppositely to form two buckling portions, the shielding shell has a bottom plate of which two rears of two opposite sides are inclined oppositely, then extend oppositely and further bend upward to form two flanks, each of the flanks defines a buckling hole for buckling the buckling portion therein.

11. The electrical connector as claimed in claim 2, wherein two opposite sides of a bottom of the first locating portion protrude downward to form two first locating pillars, the circuit board defines two locating holes for locating the first locating pillars therein.

12. The electrical connector as claimed in claim 1, wherein the shielding shell has two lateral plates punched oppositely and horizontally to form two soldering arms soldered with the circuit board.