CN211579138U

CN211579138U - Electrical connector assembly

Info

Publication number: CN211579138U
Application number: CN202020254299.4U
Authority: CN
Inventors: 唐敏; 杨伟
Original assignee: JUST CONNECTOR KUNSHAN CO Ltd
Current assignee: JUST CONNECTOR KUNSHAN CO Ltd
Priority date: 2020-03-04
Filing date: 2020-03-04
Publication date: 2020-09-25
Anticipated expiration: 2030-03-04

Abstract

An electric connector assembly comprises an insulating base body, a plug connector and a plurality of audio terminals, wherein the insulating base body is formed with a first jack and a second jack in a penetrating mode in the front-back direction, the plug connector is arranged in the first jack, the audio terminals are assembled and fixed in the second jack, the insulating base body is located on a first side face of the first jack, a fixing piece is assembled and fixed in the fixing groove and comprises a fixing portion and a welding portion, the fixing portion is fixedly fixed in the fixing groove, the welding portion is formed by bending the bottom of the fixing portion and is located on the lower surface of the insulating base body, a plurality of terminal grooves for inserting the audio terminals are formed in the second jack, the audio terminals comprise a fixing portion inserted into the terminal grooves, a contact elastic arm extends from the fixing portion and is suspended in the second jack, and welding pins extend from the fixing portion to the lower surface of the insulating base body. The electric connector assembly and the printed circuit board are welded more stably and firmly.

Description

Electrical connector assembly

Technical Field

The present application relates to the field of connectors, and more particularly, to an electrical connector assembly.

Background

Present mobile terminal's data, power and audio input all can realize through Type C connector, and some mobile terminal has cancelled audio input interface, but this kind of design has the inconvenient problem of user, can't use audio output promptly when charging, can't listen to music etc.. The demand of part consumers to the music is more, need remain the audio frequency interface, and present audio frequency interface is split Type design with Type C interface, and occupation space is more, has increased components and parts beating board technology. In order to solve the technical problem, part of the design schemes combine the Type C structure and the audio interface into one, as disclosed in the 201620015444.7 patent application of the republic of china, but the fixing of the two-in-one product and the circuit board is only fixed by the solder leg at the rear end, and the bonding strength of the two-in-one product and the circuit board is not sufficient.

SUMMERY OF THE UTILITY MODEL

In view of this, it is necessary to provide an electrical connector assembly, which solves the problem that charging and audio output cannot be considered simultaneously through the Type C interface and the audio interface, and simultaneously, the bonding strength between the electrical connector assembly and the circuit board is increased through the solder leg design of the fixing piece and the audio terminal.

In order to solve the above technical problem, the present application provides an electrical connector assembly attached to a printed circuit board, comprising an insulating base body having a first and a second insertion holes formed therethrough in a front-to-rear direction, a plug connector disposed in the first insertion hole, and a plurality of audio terminals assembled in the second insertion hole, wherein the insulating base body is disposed on a first side surface of the first insertion hole and has a fixing groove, a fixing piece is assembled and fixed in the fixing groove, the fixing piece comprises a fixing portion fixed in the fixing groove and a welding portion bent from the bottom of the fixing portion and disposed on a lower surface of the insulating base body, the second insertion hole is provided with a plurality of terminal grooves into which the audio terminals are inserted, the audio terminals comprise a fixing portion inserted in the terminal grooves, a contact elastic arm extending from the fixing portion and suspending in the second insertion hole, and a solder leg extending from the fixing portion to the lower surface of the insulating base body, and the welding leg of the audio terminal and the welding part of the fixing piece are respectively welded and fixed on the printed circuit board at the two transverse sides.

Preferably, the plug connector is a Type C interface, and includes a metal middle plate, first and second terminal sets disposed on upper and lower sides of the metal middle plate, and an insulation body integrally holding the metal middle plate, the first and second terminal sets together, and the insulation body is integrally formed in the first receptacle of the insulation base.

Preferably, the insulative housing includes a base portion, a step portion extending forward from the base portion, a mating tongue portion extending forward from the step portion, and a tail portion extending backward from the base portion, and the first and second terminal sets are partially exposed on upper and lower surfaces of the mating tongue portion, respectively.

Preferably, a groove structure is arranged on the base, the groove structure is filled in the insulating seat body in a molding mode, and the groove structure is an annular groove.

Preferably, a first terminal groove is formed in the outer side surface of the second jack, a second terminal groove is formed in the rear end of the second jack, a third terminal groove is formed in the front end of the second jack, and the audio terminal comprises a first audio terminal and a second audio terminal which are inserted into the second terminal groove from the rear end of the second jack, a third audio terminal which is inserted into the first terminal groove from the transverse outer side surface, and a fourth audio terminal which is inserted into the third terminal groove from the front end.

Preferably, the first audio terminal includes a holding portion inserted into and fixed to the second terminal groove, a contact spring arm torn from the holding portion and extending and exposed in the second jack, a blocking wall bent downward from the holding portion and located at the rear end of the second jack, and a solder fillet bent from the blocking wall and formed on the lower surface of the insulating base.

Preferably, the second to fourth audio terminals each include a holding portion fixed in the second, first, and third terminal grooves, a contact spring arm extending from the holding portion and elastically suspended in the second receptacle, and a solder fillet bent and extending from the holding portion and located on the lower surface of the insulating base.

Preferably, the solder legs of the audio terminal are respectively soldered and fixed to the printed circuit board in the front-back direction of the second side surface of the insulating base.

Preferably, the fixing sheet is welded and fixed on the printed circuit board at the welding part on the lower surface of the first side surface of the insulating base.

Compared with the prior art, the electric connector assembly integrates the Type C interface and the audio interface, reduces occupied space of the printed circuit board, and utilizes the welding pins of the audio terminal to be uniformly welded on one side of the second side face of the fixed insulation seat body on the printed circuit board in the front-back direction; the fixing sheet is fixed in the fixing groove on the first side surface of the insulating base body, and the welding part of the fixing sheet is welded on one side of the printed circuit board, which is used for fixing the first side surface of the insulating base body, so that the electric connector assembly and the printed circuit board are tightly combined into a whole.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a perspective assembly view of an electrical connector assembly mounted to a circuit board;

fig. 2 is an exploded perspective view of the electrical connector assembly of the present application;

FIG. 3 is a perspective view of an insulating housing of the electrical connector assembly;

fig. 4 is an assembled perspective view of an alternate angle of the electrical connector assembly;

fig. 5 is a sectional view taken along the broken line a-a shown in fig. 1.

Description of the main Components

A printed circuit board-10; an insulating base body-20; a base portion-21; upper surface-22 a; lower surface-22 b; a first side-23 a; a second side-23 b; butt joint surface-24; a first receptacle-25; a second receptacle-26; a terminal groove-27; a first terminal groove-271; a second terminal groove-272; a third terminal groove-273; a fixed groove-28; a plug-in connector-30; first and second terminal sets-31; a metal middle plate-32; an insulator body-33; a base-331; a step-332; a docking tongue-333; a tail-334; slot structure-335; an audio terminal-40; a first audio terminal-41; holding portions-414, 441; contact spring arm-411, 442; fillets-413, 443; a stop wall-412; a fixing piece-50; a fixed part-51; weld-52.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail and completely with reference to the following specific embodiments of the present application and the accompanying drawings. It should be apparent that the described embodiments are only some of the embodiments of the present application, and not all of the embodiments.

The definition of the direction in the present application is based on fig. 1, and the X direction is the front of the front-back direction (longitudinal direction), the Y direction is the right of the left-right direction (lateral direction), and the Z direction is the upper of the up-down direction (vertical direction).

Referring to fig. 1 to 5, the electrical connector assembly of the present application includes an insulating base 20, a plug connector 30 formed in the insulating base 20, a plurality of audio terminals 40 assembled in the insulating base 20, and a fixing plate 50 fixed to the insulating base 20 and located at a lateral outer side of one end of the plug connector 30.

Referring to fig. 1 to 3, the insulation base 20 includes a base portion 21, and a first insertion hole 25 and a second insertion hole 26 penetrating the base portion 21 in a front-back direction. The base portion 21 includes a lower surface 22b attached to the printed circuit board 10, an upper surface 22a opposite to the lower surface 22b, a first side surface 23a, a second side surface 23b, and a front end abutting surface 24. The plug 30 is assembled or integrally formed in the first jack 25, the audio terminal 40 is assembled in the second jack 26, the first side 23a is located outside the first jack 25, and the second side 23b is located outside the second jack 26. The outer wall surface of the first side surface 23a is provided with a fixing groove 28 for mounting the fixing piece 50. The second jack 26 is provided with a plurality of terminal grooves 27 for inserting the audio terminal 40 on the second side surface 23b, the abutting surface 24 and the rear end surface, and the terminal grooves 27 include a plurality of first terminal grooves 271 formed on the outer side surface of the second jack 26, a second terminal groove 272 formed on the rear end of the second jack 26, and a third terminal groove 273 formed on the front end of the second jack 26.

The audio terminal 40 includes two first and

second audio terminals

41 and 42 inserted and fixed in the second terminal groove 272, two third audio terminals 43 inserted in the first terminal groove 271, and a fourth audio terminal 44 inserted in the third terminal groove 273. The first audio terminal 41 includes a holding portion 414 inserted and fixed in the second terminal groove 272, a contact spring arm 411 torn and extended from the holding portion 414 and exposed in the second jack 26, a stop wall 412 bent downward from the holding portion 414 and located at the rear end of the second jack 26, and a solder leg 413 bent from the stop wall 412 and formed on the lower surface 22b of the insulating housing 20. The second to

fourth audio terminals

42, 43, 44 each include a holding portion 441 fixed in the second, first and

third terminal grooves

272, 271, 273, a contact spring arm 442 formed to extend from the holding portion 441 and elastically suspended in the second insertion hole 26, and a solder foot 443 formed to bend and extend from the holding portion 441 and located on the lower surface 22 b.

The connector 30 includes a middle metal plate 32, first and second terminal sets 31 respectively disposed at upper and lower sides of the middle metal plate 32, and an insulating body 33 integrally formed with the middle metal plate 32 and the first and second terminal sets 31. The insulating body 33 includes a base 331, a step 332 extending forward from the base 331, a butt tongue 333 extending forward from the step 332, and a tail 334 extending backward from the base 331. The base 331 has a groove structure 335 formed on an outer peripheral surface thereof, and the groove structure 335 is an annular groove or a slotted groove.

The plug connector 30 is integrally formed in the first insertion hole 25, and the groove structure 335 at the periphery of the base 331 of the insulation body 33 is filled with the plastic of the insulation base 20 to fix the plug connector 30. Plug connector 30 is Type C Type interface, audio terminal 40 is Audi Jack terminal.

Referring to fig. 5, the fixing plate 50 includes a fixing portion 51 inserted into the fixing groove 28 and a welding portion 52 bent and extended from the bottom of the fixing portion 51 and formed on the lower surface 22b of the insulating base 20.

The audio terminal 40 is inserted into the terminal groove 27 of the second insertion hole 26, and the soldering

portions

413, 443 of the audio terminal 40 are located on the lower surface of the second side surface 23b of the insulating base 20 and distributed in a dispersed manner, and the soldering portion 52 of the fixing piece 50 is located on the lower surface 23b of the first side surface 23b of the insulating base 20. When the electrical connector assembly is bonded to the printed circuit board 10, the electrical connector assembly is welded to the printed circuit board 10 at two lateral sides by the

solder legs

413 and 443 of the audio terminal 40 and the soldering portion 52 of the fixing piece 50, so that the electrical connector assembly is stably combined with the printed circuit board 10.

Compared with the prior art, the electrical connector assembly of the present application integrates the Type C interface and the audio interface, so as to reduce the occupied space of the printed circuit board 10, and the

solder pins

413 and 443 of the audio terminal 40 are uniformly soldered on the printed circuit board 10 on the side of the second side surface 23b of the fixed insulation base 20 in the front-back direction; the fixing plate 50 is fixed in the fixing groove 28 on the first side 23a of the insulating base 20, and the welding portion 52 of the fixing plate 50 is welded to the printed circuit board 10 at the side where the first side 23a of the insulating base 20 is fixed, so that the electrical connector assembly and the printed circuit board 10 are tightly combined into a whole.

The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims

1. An electric connector assembly is attached on a printed circuit board and comprises an insulating base body, a plug connector and a plurality of audio terminals, wherein the insulating base body is provided with a first jack and a second jack in a penetrating way in the front-back direction, the plug connector is arranged in the first jack, the audio terminals are assembled in the second jack, the audio terminal comprises a fixing part, a contact elastic arm and a welding foot, the contact elastic arm extends from the fixing part and is suspended in the second jack, the welding foot extends from the fixing part to the lower surface of the insulating base body, the fixing part is fixedly assembled in the fixing groove, the welding part is formed by bending the bottom of the fixing part and is positioned on the lower surface of the insulating base body, the terminal groove is used for inserting the audio terminal, the audio terminal comprises a fixing part, a contact elastic arm and a welding foot, and the welding leg of the audio terminal and the welding part of the fixing piece are respectively welded and fixed on the printed circuit board at the two transverse sides.

2. The electrical connector assembly of claim 1, wherein the connector is a Type C connector and comprises a metal middle plate, first and second terminal sets respectively disposed on upper and lower sides of the metal middle plate, and an insulative housing integrally holding the metal middle plate and the first and second terminal sets together, and the insulative housing is integrally formed in the first receptacle of the insulative housing.

3. The electrical connector assembly of claim 2, wherein said insulative body includes a base portion, a step portion extending forwardly from said base portion, a mating tongue portion extending forwardly from said step portion, and a tail portion extending rearwardly from said base portion, said first and second terminal sets being partially exposed on upper and lower surfaces of said mating tongue portion, respectively.

4. The electrical connector assembly of claim 3, wherein the base portion has a groove structure, and the insulative housing is formed to fill the groove structure, the groove structure being an annular groove.

5. The electrical connector assembly of claim 1, wherein the second jack has a first terminal groove formed on an outer side surface thereof, a second terminal groove formed on a rear end thereof, and a third terminal groove formed on a front end thereof, and the audio terminals include first and second audio terminals inserted into the second terminal groove from the rear end of the second jack, a third audio terminal inserted into the first terminal groove from a lateral outer side surface thereof, and a fourth audio terminal inserted into the third terminal groove from the front end thereof.

6. The electrical connector assembly of claim 5, wherein the first audio terminal comprises a holding portion inserted into and fixed in the second terminal groove, a contact spring arm torn from the holding portion and extending and exposed in the second jack, a stop wall bent downward from the holding portion and located at the rear end of the second jack, and a solder fillet bent from the stop wall and formed on the lower surface of the insulating housing.

7. The electrical connector assembly of claim 5, wherein the second to fourth audio terminals each comprise a holding portion fixed in the second, first and third terminal slots, a contact spring arm extending from the holding portion and elastically suspended in the second receptacle, and a solder foot bent and extending from the holding portion and located on the lower surface of the insulating housing.

8. The electrical connector assembly as claimed in claim 6 or 7, wherein the solder tails of the audio terminals are soldered to the printed circuit board respectively in front and rear directions of the second side of the insulative housing.

9. The electrical connector assembly as claimed in claim 8, wherein the soldering portion of the fixing plate located on the lower surface of the first side of the insulative housing is soldered to the printed circuit board.