Electrical connector with short length along mating direction

• US 9,985,358 B2
• Filed: 08/18/2017
• Issued: 05/29/2018
• Est. Priority Date: 08/18/2016
• Status: Active Grant

• Current Assignee: Foxconn Interconnect Technology Limited (Hon Hai Precision Industry Co., Ltd.)
• Original Assignee: Foxconn Interconnect Technology Limited (Hon Hai Precision Industry Co., Ltd.)
• Inventors: Zhu, Jian-Kuang, Zhong, Wei
• Primary Examiner(s): Harvey, James
• Application Number:
  US15/680,230
• Publication Number:
  US 20180054012A1
• Time in Patent Office: 284 Days
• CPC Class Codes: H01R 12/774 Retainers
• CPC Class Codes: H01R 12/775 Ground or shield arrangements
• CPC Class Codes: H01R 12/778 Coupling parts carrying sockets, clips or analogous counter-contacts H01R12/78, H01R12/79 take precedence
• CPC Class Codes: H01R 13/6205 Two-part coupling devices held in engagement by a magnet
• CPC Class Codes: H01R 13/65918 wherein each conductor is individually surrounded by shield
• CPC Class Codes: H01R 13/6592 the conductive member being a shielded cable
• CPC Class Codes: H01R 13/6593 the shield being composed of different pieces
• CPC Class Codes: H01R 33/7628 the wires being connected using solder
• CPC Class Codes: H01R 4/023 between cables or wires and terminals
• CPC Class Codes: H01R 4/027 comprising means for positioning or holding the parts to be soldered or welded
• CPC Class Codes: H01R 9/0512 Connections to an additional grounding conductor

Abstract

An electrical cable connector includes an insulative housing, a plurality of terminals disposed in the housing, a mating cavity formed in the housing and forwardly communicating with an exterior. The terminal includes a front contacting section and a rear connecting section with an extension section therebewteen in a front-to-back direction. The front contacting section is exposed in the mating cavity, and the rear connecting section includes a soldering region and a pair of securing structure formed on two sides of the soldering region and secured to the housing for retaining the terminal in position with regard to the housing.

Claims

1. An electrical cable connector comprising:

an insulative housing forming a mating cavity forwardly communicating with an exterior along a front-to-back direction;

a metallic shell enclosing the housing;

a plurality of passageways formed in the housing and extending along the front-to-back direction;

a plurality of terminals disposed in the corresponding passageways, respectively, each of said terminals including a front resilient contacting section extending into the mating cavity, a rear connecting section and an extension section therebetween in the front-to-back direction; and

a plurality of wires located behind the housing, each of said wires including an inner conductor, an inner insulator, a braiding and an outer insulator concentrically arranged with one another in sequence;

wherein

the connecting section defines a soldering region with a pair of barbs at two lateral sides thereof, and the inner conductor is soldered upon the soldering region and the barbs retain the terminal in the corresponding passageway so as to omit barbs on the extension section and shorten a length of the terminal.

2. The electrical cable connector as claimed in claim 1, wherein the terminals are categorized with differential pairs and grounding terminals alternately arranged with each other along a transverse direction perpendicular to the front-to-back direction.

3. The electrical cable connector as claimed in claim 2, wherein an outer grounding bar is attached upon an exterior surface of the housing and intimately enclosed in the metallic shell, and said outer grounding bar includes a plurality of contacting parts extending into the mating cavity and located in front of the corresponding grounding terminals, respectively.

4. The electrical cable connector as claimed in claim 2, wherein an inner grounding bar is associated with the wires, and said inner grounding bar includes an elongated base with a plurality of spring arms mechanically and electrically connected to the soldering regions of the grounding terminals, respectively.

5. The electrical cable connector as claimed in claim 4, wherein the braiding is soldered upon the base.

6. The electrical cable connector as claimed in claim 5, further including a metallic shielding plate is inserted into the housing and separating said terminals in two groups, wherein said shielding plate respectively mechanically and electrically connect to the metallic shell and the inner grounding bar.

7. The electrical cable connector as claimed in claim 6, wherein said shielding plate includes a spring tang forwardly extending into the mating cavity.

8. The electrical cable connector as claimed in claim 1, wherein said metallic shell has front sides enclosing a pair of magnetic elements by two lateral sides of the mating cavity, and further including a pair of spring fingers extending around the corresponding magnetic elements through corresponding grooves of the housing into the mating cavity in a transverse direction perpendicular to said front-to-back direction.

9. An electrical cable connector comprising:

an insulative housing forming a mating cavity forwardly communicating with an exterior along a front-to-back direction;

a metallic shell enclosing the housing;

a plurality of passageways formed in the housing and extending along the front-to-back direction;

a plurality of terminals disposed in the corresponding passageways, respectively, each of said terminals including

a front resilient contacting section extending into the mating cavity, a rear connecting section with a soldering region thereon and an extension section therebetween in the front-to-back direction; and

a plurality of wires located behind the housing, each of said wires including an inner conductor, an inner insulator, a braiding and an outer insulator concentrically arranged with one another in sequence;

wherein

the terminals are categorized with differential pairs and grounding terminals alternately arranged with each other along a transverse direction perpendicular to the front-to-back direction;

wherein

an inner grounding bar is associated with the wires, and said inner grounding bar includes an elongated base with a plurality of spring arms mechanically and electrically connected to the soldering regions of the grounding terminals, respectively wherein

the braiding is soldered upon the base.

10. The electrical cable connector as claimed in claim 9, further including a metallic shielding plate forwardly inserted into the housing from a rear side of the housing and dividing said terminals in two groups, wherein said inner grounding bar is seated upon the shielding plate and the shielding plate is mechanically and electrically connected to the metallic shell.

11. The electrical cable connector as claimed in claim 10, wherein said shielding plate includes a spring tang forwardly extending into the mating cavity.

12. The electrical cable connector as claimed in claim 10, wherein an outer grounding bar is attached upon an exterior surface of the housing and intimately enclosed in the metallic shell, and said outer grounding bar includes a plurality of contacting parts extending into the mating cavity and located in front of the corresponding grounding terminals, respectively.

13. The electrical cable connector as claimed in claim 12, wherein each contacting part is equipped with a pair of wings to have the corresponding contacting part deflected in a preloaded manner.

14. The electrical cable connector as claimed in claim 10, wherein said shell has front sides enclosing a pair of magnetic elements by two lateral sides of the mating cavity, and further including a pair of spring fingers extending around the corresponding magnetic elements through corresponding grooves of the housing into the mating cavity in a transverse direction perpendicular to said front-to-back direction.

15. The electrical cable connector as claimed in claim 9, wherein the connecting section is equipped with barbs while the extension section is free from barbs.

16. An electrical cable connector comprising:

an insulative housing forming a mating cavity forwardly communicating with an exterior along a front-to-back direction;

a metallic shell enclosing the housing;

a plurality of passageways formed in the housing and extending along the front-to-back direction;

a plurality of terminals disposed in the corresponding passageways, respectively, each of said terminals including a front resilient contacting section extending into the mating cavity, a rear connecting section with a soldering region thereon and an extension section therebetween in the front-to-back direction; and

a plurality of wires located behind the housing, each of said wires including an inner conductor, an inner insulator, a braiding and an outer insulator concentrically arranged with one another in sequence;

wherein the terminals are categorized with differential pairs and grounding terminals alternately arranged with each other along a transverse direction perpendicular to the front-to-back direction;

wherein

an outer grounding bar is attached upon an exterior surface of the housing and intimately enclosed in the metallic shell, and said outer grounding bar includes a plurality of contacting arms extending into the mating cavity and located in front of the corresponding grounding terminals, respectively;

wherein

a metallic shielding plate is forwardly inserted into the housing from a rear side of the housing and separating said terminals into two groups, and mechanically and electrically connected to the metallic shell.

17. The electrical cable connector as claimed in claim 16, wherein said shielding plate includes a spring tang forwardly extending into the mating cavity.

18. The electrical cable connector as claimed in claim 16, wherein each contacting arm is equipped with a pair of wings to have the corresponding contacting arm deflected in a preloaded manner.

19. The electrical cable connector as claimed in claim 16, wherein said shell has front sides enclosing a pair of magnetic elements by two lateral sides of the mating cavity, and further including a pair of spring fingers extending around the corresponding magnetic elements through corresponding grooves of the housing into the mating cavity in a transverse direction perpendicular to said front-to-back direction.

20. The electrical cable connector as claimed in claim 16, wherein the connecting section is equipped with barbs while the extension is free from barbs.