Electrical connector

• US 8,784,119 B2
• Filed: 05/23/2012
• Issued: 07/22/2014
• Est. Priority Date: 06/09/2011
• Status: Active Grant

• Current Assignee: Bing Xu Precision Co. Ltd.
• Original Assignee: Bing Xu Precision Co. Ltd.
• Inventors: Tseng, Ting Chang, Lin, Wen Lung
• Primary Examiner(s): HARVEY, JAMES R
• Application Number:
  US13/478,792
• Publication Number:
  US 20120315800A1
• Time in Patent Office: 790 Days
• Field of Search: 439/495, 439/67, 439/77
• US Class Current: 439/67
• CPC Class Codes: H01R 12/61 connecting to flexible printed circuits, flat or ribbon cables or like structures
• CPC Class Codes: H01R 12/63 connecting to another shape cable
• CPC Class Codes: H01R 12/772 Strain relieving means

Abstract

An electrical connector is provided with an FFC including a first insulating layer including a plurality of internal flat conductors each being elongated and having an exposed contact portion at one end and an exposed soldering portion at the other end; an electrical cable including a plurality of conductors each having a second insulating layer therearound, the conductors electrically connected to the soldering portions; and a connector housing covering a rear portion of the FFC and a front end of the electrical cable for fastening the FFC and the electrical cable. A front portion of the FFC is provided with a protective plastic plate for fastening and supporting the contact portions of the FFC and the first insulating layer.

Claims

1. An electrical connector comprising:

an FFC (10) comprising a first insulating layer (11) including a plurality of internal flat conductors (110) each being elongated and having an exposed contact portion (12) at one end and an exposed soldering portion (13) at the other end;

an electrical cable (30) comprising a plurality of conductors (33) each having a second insulating layer (34) therearound, the conductors (33) electrically connected to the soldering portions (13) of the FFC (10); and

a connector housing (50) covering a rear portion (102) of the FFC (10) and a front end (301) of the electrical cable (30) for fastening the FFC (10) and the electrical cable (30);

wherein a front portion (101) of the FFC (10) is provided with a protective plastic plate (20) for fastening and supporting the contact portions (12) of the FFC (10) and the first insulating layer (11).

2. The electrical connector of claim 1, wherein the protective plastic plate (20) adheres to the contact portions (12) of the FFC (10) and the first insulating layer (11), and wherein the connector housing (50) is formed of over-molding for covering both the rear portion (102) of the FFC (10) and the front end (301) of the electrical cable (30).

3. The electrical connector of claim 1, wherein the first insulating layer (11) of the FFC (10) comprises a first extension (113) at one end and a second extension (115) at the other end, the first extension (113) adheres to the contact portions (12) of the FFC (10), the second extension (115) adheres to the soldering portions (13) of the FFC (10), and the protective plastic plate (20) adheres to the first extension (113) of the FFC (10), the first insulating layer (11), and the second extension (115).

4. The electrical connector of claim 1, wherein a rear portion (21) of the protective plastic plate (20) is disposed externally of the connector housing (50), and further comprising a spacer (40) disposed below the front end (301) of the electrical cable (30), the spacer (40) including a plurality of parallel grooves (41) on a top surface for clamping the second insulating layers (34) of the electrical cable (30).

5. The electrical connector of claim 1, wherein the rear portion (21) of the protective plastic plate (20) extends to dispose in the rear portion (102) of the FFC (10) so that the protective plastic plate (20) adheres to the contact portions (12), the first insulating layer (11), and the soldering portions (13), and wherein the rear portion (21) of the protective plastic plate (20) is fastened in the connector housing (50).

6. An electrical connector comprising:

an FFC (10) comprising a first insulating layer (11) including a plurality of internal flat conductors (110) each being elongated and having an exposed contact portion (12) at one end and an exposed soldering portion (13) at the other end;

an electrical cable (30) comprising a plurality of conductors (33) each having a second insulating layer (34) therearound, the conductors (33) electrically connected to the soldering portions (13) of the FFC (10);

a spacer (40) comprising a plurality of parallel grooves (41) on a top surface for clamping the second insulating layers (34) of the electrical cable (30); and

a connector housing (50a) covering a rear portion (102) of the FFC (10) and a front end (301) of the electrical cable (30), the connector housing (50a) comprising a base (51) and a top shell (52) releasably secured to the base (51);

wherein the base (51) comprises a top recess (54) for anchoring the spacer (40) therein; and

wherein a front portion (101) of the FFC (10) is provided with a protective plastic plate (20) for fastening and supporting the contact portions (12) of the FFC (10) and the first insulating layer (11).

7. The electrical connector of claim 6, wherein the first insulating layer (11) of the FFC (10) comprises a first extension (113) at one end, the first extension (113) adheres to the contact portions (12), and the protective plastic plate (20) adheres to both the first extension (113) and the first insulating layer (11);

wherein the base (51) further comprises a bottom recessed portion (53) for ease of holding and two latch-receiving recesses (513); and

wherein the top shell (52) comprises a top recessed portion (53) for ease of holding and two latching arms (523) lockingly received in the latch-receiving recesses (513).

8. The electrical connector of claim 6, wherein a rear portion (21) of the protective plastic plate (20) is disposed externally of the connector housing (50a), wherein the rear portion (102) of the FFC (10) is fastened in the connector housing (50a), and wherein an adhesive member (60) is coated on the soldering portions (13) of the FFC (10) and the spacer (40).

9. The electrical connector of claim 6, wherein the rear portion (21) of the protective plastic plate (20) is fastened in the connector housing (50a), wherein both the rear portion (102) of the FFC (10) and the rear portion (102) of the protective plastic plate (20) are fastened in the connector housing (50a), and wherein an adhesive member (60) is coated on the soldering portions (13) of the FFC (10) and the spacer (40).

10. The electrical connector of claim 6, wherein the rear portion (21) of the protective plastic plate (20) extends to adhere to the contact portions (12) of the FFC (10), the first insulating layer (11), and the soldering portions (13) of the FFC (10) from below;

wherein the rear portion (21) of the protective plastic plate (20) is fastened in the connector housing (50a);

wherein an adhesive member (60) is coated on the soldering portions (13) of the FFC (10) and the spacer (40);

wherein the flat conductors (110) of the FFC (10) are flat copper cables coated with tin, flat copper cables coated with gold, flat metal cables coated with tin, or flat metal cables coated with gold; and

wherein the electrical cable (30) comprises a third insulating layer (35) surrounding portions of the second insulating layers (34).

11. An electrical connector comprising:

an FFC (10) comprising a first insulating layer (11) including a plurality of internal flat conductors (110) each being elongated and having an exposed contact portion (12) at one end and an exposed soldering portion (13) at the other end;

a protective plastic plate (20) provided in front of the FFC (10) for fastening and supporting the contact portions (12) of the FFC (10) and the first insulating layer (11);

an electrical cable (30) comprising a plurality of conductors (33) each having a second insulating layer (34) therearound, the conductors (33) electrically connected to the soldering portions (13) of the FFC (10); and

a connector housing (50b) covering a rear portion (102) of the FFC (10) and a front end (301) of the electrical cable (30), the connector housing (50b) comprising a base (51) and a top shell (52) releasably secured to the base (51);

wherein at least one projection (22) is formed on a rear portion (21) of the protective plastic plate (20), the base (51) comprises at least one first stop members (511) for limiting movement of projections (22) toward one direction.

12. The electrical connector of claim 11, wherein the base (51) further comprises at least one second stop members (512) for limiting movement of the projections (22) toward the other opposite direction;

and wherein an adhesive member (60) is coated on the soldering portions (13) of the FFC (10).

13. The electrical connector of claim 11, wherein the base (51) further comprises a plurality of parallel top first grooves (55) for clamping the second insulating layers (34) of the electrical cable (30);

and wherein an adhesive member (60) is coated on the first grooves (55).

14. The electrical connector of claim 11, wherein the base (51) further comprises a plurality of parallel top second grooves (56) spaced from the first grooves (55) and aligned therewith;

wherein the soldering portions (13) of the FFC (10) are anchored in the second grooves (56); and

wherein an adhesive member (60) is coated on the soldering portions (13) of the FFC (10).

15. The electrical connector of claim 11, wherein the protective plastic plate (20) adheres to the contact portions (12) of the FFC (10) and the first insulating layer (11).

16. The electrical connector of claim 11, wherein the first insulating layer (11) of the FFC (10) comprises a first extension (113) at one end adhered to the contact portions (12) of the FFC (10);

and wherein the protective plastic plate (20) adheres to the first extension (113) of the FFC (10) and the first insulating layer (11).

17. The electrical connector of claim 11, wherein the electrical cable (30) further comprises a ground terminal (331) electrically connected to the conductors (33) of the electrical cable (30) at the soldering portions (13) of the FFC (10);

wherein the electrical cable (30) further comprises a third insulating layer (35) surrounding portions of the second insulating layers (34) of the electrical cable (30); and

wherein the third insulating layer (35) is clamped by the top shell (52) and the base (51) from opposite directions.

18. The electrical connector of claim 11, wherein the top shell (52) comprises a top recessed portion (53) for ease of holding and two latching arms (523) on bottom edges;

wherein the base (51) comprises a bottom recessed portion (53) for ease of holding and two latch-receiving recesses (513) for lockingly receiving the latching arms (523); and

wherein the rear portion (102) of the FFC (10) and the rear portion (21) of the protective plastic plate (20) are fastened in the connector housing (50b) by lockingly securing the top shell (52) to the base (51).

19. The electrical connector of claim 11, wherein the top shell (52) comprises a top recessed portion (53) for ease of holding and two cavities (525);

wherein the base (51) comprises a bottom recessed portion (53) for ease of holding and two latches (515) lockingly received in the cavities (525); and

wherein the rear portion (102) of the FFC (10) and the rear portion (21) of the protective plastic plate (20) are fastened in the connector housing (50b) by lockingly securing the top shell (52) to the base (51).