Waterproof electrical connector

• US 9,553,410 B2
• Filed: 11/16/2015
• Issued: 01/24/2017
• Est. Priority Date: 11/14/2014
• 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: Zhao, Jun, Guo, Jing-Jie
• Primary Examiner(s): HYEON, HAE M
• Application Number:
  US14/942,965
• Publication Number:
  US 20160141792A1
• Time in Patent Office: 435 Days
• Field of Search: 439/271, 439/587, 439/607.35, 439/660
• US Class Current: 1/1
• CPC Class Codes: H01R 12/724 containing contact members forming a right angle
• CPC Class Codes: H01R 13/5216 characterised by the sealing material, e.g. gels or resins
• CPC Class Codes: H01R 13/6581 Shield structure
• CPC Class Codes: H01R 13/6594 the shield being mounted on a PCB and connected to conductive members

Abstract

An electrical connector, mounted upon a printed circuit board, includes an insulative housing, a number of terminals disposed in the insulative housing, a shielding shell attached to the housing, and a glue wall formed by glue. The housing defines a third base portion and a groove located at an upper surface in a rear end and for receiving glue. The terminals has a number of first contacts and a number of second contacts. Each first contact has a first soldering portion and each second contact has a second soldering portion. The shielding shell defines a guiding hole for flowing the glue. The glue wall flows from the guiding hole through the groove to seal up a gap between the insulative housing and the shielding shell.

Claims

1. An electrical connector for mounting upon a printed circuit board, comprising:

an insulative housing defining a base portion and a groove located at an upper surface of the base portion;

a plurality of terminals disposed in the insulative housing and having a plurality of first contacts and a plurality of second contacts, each first contact has a first soldering portion, each second contact having a second soldering portion;

a shielding shell attached to and enclosing outside the insulative housing and defining a guiding hole at a rear wall thereof in fluid communication with the groove, a cavity being defined between the insulative housing and the shielding shell and exposed rearwardly to be in fluid communication with the groove; and

a glue wall formed in the cavity between the insulative housing and the shielding shell.

2. An electrical connector as claimed in claim 1, wherein:

the insulative housing has a rearwardly protruding section around a rear portion thereof in a front-to-back direction;

the shielding shell encloses the insulative housing circumferentially;

a circumferential groove structure is formed between the rearwardly protruding section and the shielding shell radially; and

the glue wall applied around said rear portion and fills the circumferential groove structure to form a frame structure.

3. The electrical connector as claimed in claim 2, wherein said glue wall further includes a planar part sealing a rear of the insulative housing.

4. An electrical connector comprising:

an insulative housing structure forming a rearwardly protruding section around a rear portion thereof in a front-to-back direction;

a plurality of contacts disposed in the housing with corresponding tail sections extending rearwardly out of the rear portion;

a metallic shell enclosing the housing structure circumferentially;

a circumferential groove structure formed between the rearwardly protruding section and the shell radially; and

a glue wall applied around said rear portion and filling the circumferential groove structure to form a frame structure;

wherein

said glue wall is forwardly spaced from a rear end face of said insulative housing structure, and rearwardly communicates, in said front-to-back direction, with an exterior outside of said metallic shell.

5. The electrical connector as claimed in claim 4, wherein the housing structure forms a groove along the front-to-back direction as a passage to communicate the circumferential groove with said exterior for glue injection use.

6. The electrical connector as claimed in claim 5, wherein said groove exposes the corresponding contacts in a vertical direction perpendicular to said front-to-back direction.

7. The electrical connector as claimed in claim 5, wherein said housing structure further includes a vacant portion opposite to the groove in a vertical direction perpendicular to said front-to-back direction.

8. The electrical connector as claimed in claim 4, wherein the shell includes a back part enclosing a rear face of the housing structure, and forms a guiding hole, around a corner of said back part, as a passage for glue injection use.

9. The electrical connector as claimed in claim 4, wherein said glue wall further includes a planar part sealing the housing structure along the front-to-back direction at least except tail sections of the corresponding contacts which extend rearwardly out of the glue wall.

10. An electrical connector comprising:

an insulative housing structure;

a plurality of contacts disposed in the housing structure with corresponding tail sections extending rearwardly out of a rear portion of the housing structure;

a metallic shell enclosing the housing structure circumferentially;

a groove formed in the housing structure and extending forwardly from a rear end face of the rear portion to function as a passage for glue injection use; and

a glue wall formed in front of and forwardly spaced from the rear end face and extending circumferentially along an interior surface of the shell;

wherein

said groove forwardly directly communicates with said glue wall.

11. The electrical connector as claimed in claim 10, wherein said glue wall further seals a rearward face of the housing structure while tail sections of the contacts extend out of the glue wall.

12. The electrical connector as claimed in claim 10, wherein said groove communicates with the shell in a vertical direction perpendicular to said front-to-back direction.

13. The electrical connector as claimed in claim 10, further including a vacant portion in the housing assembly opposite to the groove in a vertical direction perpendicular to said front-to-back direction.