CN216289109U

CN216289109U - Electrical connector assembly

Info

Publication number: CN216289109U
Application number: CN202122676931.1U
Authority: CN
Inventors: 茆玉龙; 胡兵波; 谢永涛
Original assignee: Smart Chip Microelectronic Co ltd
Current assignee: Smart Chip Microelectronic Co ltd
Priority date: 2021-11-03
Filing date: 2021-11-03
Publication date: 2022-04-12
Anticipated expiration: 2031-11-03

Abstract

The utility model provides an electric connector assembly, which comprises a plurality of conductive terminals with contact parts arranged in two rows and an insulating body formed outside the two rows of conductive terminals in an injection molding mode, wherein each conductive terminal comprises a plurality of first terminals with contact parts arranged in one row and a plurality of second terminals with contact parts arranged in the other row, each conductive terminal is provided with a fixing part, the contact parts extending forwards from the fixing parts and exposed to the outer side of the insulating body and welding pins extending out of the insulating body, the electric connector assembly is also provided with a middle shielding sheet embedded and formed in the insulating body together with the conductive terminals, each conductive terminal comprises a grounding terminal and a power terminal, and each grounding terminal and each power terminal respectively comprise a substrate part and the contact parts integrally formed by upwards or downwards protruding from the substrate part. The electric connector component is convenient to manufacture and low in cost.

Description

Electrical connector assembly

Technical Field

The present invention relates to an electrical connector assembly.

Background

With the rapid development of science and technology in the electronic industry, the volume of electronic products is developed along the trend of being thinner, thinner and shorter, which requires smaller and smaller components of the electronic products, and the connector industry is the first place.

This results in better mechanical performance requirements and higher product design difficulties due to the smaller size requirements of the new generation of USB Type-C connectors. In order to face thinner and thinner equipment and ensure the reliability of a product structure, various manufacturers have proposed corresponding structural designs.

The conventional USB Type-C electric connector comprises a plastic seat body, an upper row of conductive terminals and a lower row of conductive terminals which are arranged on the plastic seat body, and a shielding sheet clamped between the upper row of conductive terminals and the lower row of conductive terminals. The plastic seat body comprises an upper body, a lower body and an insulation body which is injection molded outside the upper body and the lower body, and the upper body and the lower body are respectively injection molded outside the two rows of conductive terminals, so that the terminal module of the electric connector can be manufactured by three times of injection molding, and the molding process is complicated.

Accordingly, there is a need for an improved electrical connector assembly that solves the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an electric connector assembly which is convenient to manufacture.

To achieve the above object, the present invention provides an electrical connector assembly, which includes

A plurality of conductive terminals and one shot injection moulding that the contact site was arranged into two rows in outer insulator of conductive terminal, conductive terminal includes that the contact site is arranged into a plurality of first terminals of one row and a plurality of second terminals that the contact site was arranged into another row, every conductive terminal has the fixed part, certainly the fixed part extends forward and exposes in the insulator outside the contact site with extend insulator's leg, the electric connector subassembly still have with conductive terminal inlay the shaping jointly in middle shielding piece in the insulator, conductive terminal includes ground terminal and power supply terminal, each ground terminal and power supply terminal all include base plate portion and certainly base plate portion makes progress or downward salient formation the contact site.

As a further development of the utility model, the electrical connector assembly is provided with only one ground terminal and one power terminal on both sides of its vertical center plane.

As a further improvement of the present invention, the middle shield plate is located between the contact portions of the two rows of the conductive terminals in the height direction, and the center height of the middle shield plate is the same as the center height of the power terminal.

As a further improvement of the present invention, the first terminals include at least one power terminal and one signal terminal, and the second terminals include a pair of ground terminals disposed on both sides thereof, and one power terminal and one signal terminal disposed inside the pair of ground terminals.

As a further improvement of the present invention, the signal terminals of the first and second terminals each have the substrate portion and the contact portion integrally formed to protrude from the substrate portion on the same plane, and the center height of the substrate portion of the signal terminal and the center height of the substrate portion of the power supply terminal are the same in the two rows of conductive terminals.

As a further improvement of the present invention, the first terminal further includes three signal terminals located between a pair of power supply terminals among the conductive terminals in the lateral direction.

As a further improvement of the present invention, the insulating body is provided with a plurality of pressing holes, the conductive terminal is at least partially exposed to the pressing holes, the middle shielding plate has a first through hole and a second through hole penetrating through the middle shielding plate along the height direction, and the projection of the ground terminal on the horizontal plane is at least partially overlapped with the projection of the first through hole and the second through hole of the corresponding middle shielding plate on the horizontal plane.

In a further preferred embodiment of the present invention, the first and second terminals have solder fillets arranged in a row, and the first and second terminals have fixing portions arranged at equal heights in a height direction.

As a further improvement of the present invention, the insulating body includes a base portion located at the rear side thereof, a tongue portion located at the front side thereof, and an intermediate portion located between the base portion and the tongue portion, and the intermediate shielding plates are a pair of intermediate shielding plates that are independent from each other, are both horizontally arranged plate-shaped structures, and are symmetrically embedded in the tongue portion and the intermediate portion of the insulating body.

As a further improvement of the present invention, the electrical connector assembly further includes a first carrier tape connected to only the front end of the middle shielding plate and a second carrier tape connected to only the rear end of the solder tail of the conductive terminal.

The utility model has the beneficial effects that: the insulating body of the electric connector component can be formed at one time, so that the manufacturing process can be simplified; and the conductive terminals and the middle shielding sheets are embedded and molded in the insulating body together, and the contact parts of each grounding terminal and each power terminal are integrally formed by protruding upwards or downwards from the base plate part, so that the plugging and unplugging service life can be prolonged by the middle shielding sheets, and the manufacture is convenient and the cost is low.

Drawings

Fig. 1 is a perspective assembly view of a first embodiment of an electrical connector assembly of the present invention.

Fig. 2 is an exploded perspective view of the electrical connector assembly shown in fig. 1.

Fig. 3 is an exploded view of the conductive terminals and the middle shielding plate of the electrical connector assembly shown in fig. 2 connected to the carrier tape.

Fig. 4 is an assembly view of the conductive terminals and the middle shielding plate of the electrical connector assembly shown in fig. 3 connected to the carrier tape.

Fig. 5 is an assembly view of the electrical connector assembly shown in fig. 1 with the tape not removed.

Fig. 6 is a view of the electrical connector assembly of fig. 5 from another perspective.

Fig. 7 is a front elevational view of the conductive terminals and the intermediate shield blades of the electrical connector assembly of fig. 1.

Fig. 8 is a front elevational view of the conductive terminals and intermediate shield blades of the second embodiment of the electrical connector assembly of the present invention.

Fig. 9 is a perspective view of the conductive terminals and the intermediate shield sheet shown in fig. 8 connected to a carrier tape.

Fig. 10 is another perspective view of the conductive terminal and the metal shielding plate shown in fig. 9.

Fig. 11 is an exploded perspective view of the electrical connector assembly shown in fig. 8.

Detailed Description

The present invention will be described in detail below with reference to embodiments shown in the drawings. The present invention is not limited to the embodiment, and structural, methodological, or functional changes made by one of ordinary skill in the art according to the embodiment are included in the scope of the present invention.

Referring to fig. 1 to 7, a first embodiment of an electrical connector assembly 100 according to the present invention is shown, and fig. 8 to 11 show a second embodiment of the electrical connector assembly 100 according to the present invention, in the present invention, the electrical connector assembly 100 is mounted on an external circuit board (not shown), and includes an insulating body 1 and two rows of conductive terminals 2 fixed to the insulating body 1, where the insulating body 1 is formed outside the two rows of conductive terminals 2 by one-step injection molding.

The insulating body 1 comprises a base part 11 at the rear side, a tongue part 12 at the front side and a middle part 13 between the base part 11 and the tongue part 12, wherein the tongue part 12 has two surfaces oppositely arranged along the height direction, and the contact parts 202 of two rows of conductive terminals 2 are respectively exposed at the two surfaces of the tongue part 12.

The base portion 11 extends outward from the intermediate portion 13 in both the lateral direction and the height direction. The tongue plate portion 12 has a pair of protrusions 121 located on both sides in the lateral direction thereof and protruding outward, and a catching recess 122 that catches with the mating connector is formed on the rear side of the protrusions 121.

The insulative housing 1 is provided with a plurality of molding holes, and the conductive terminals 2 are at least partially exposed in the molding holes, so that pins (not shown) are inserted to position the corresponding conductive terminals 2 during injection molding. Specifically, the tongue portion 12 is provided with a plurality of first pressing holes 123 penetrating the tongue portion in the height direction, and the middle portion 13 is provided with a plurality of second pressing holes 131, so that the front portion and the middle portion of the conductive terminal 2 can be effectively positioned in the injection molding process, and the rear portion of the conductive terminal 2 can also be effectively positioned due to being exposed outside the insulating body 1.

Referring to fig. 2 to 11, the conductive terminals 2 include a plurality of first terminals 21 with contact portions 202 arranged in a row and a plurality of second terminals 22 with contact portions 202 arranged in another row, and the first terminals 21 and the second terminals 22 are arranged in the same manner as the conductive terminals of a standard USB Type C electrical connector.

Each of the conductive terminals 2 has a fixing portion 201, the contact portion 202 extending forward from the fixing portion 201 and exposed to the outside of the insulating body 1, and a solder leg 203 extending out of the insulating body 1.

The electrical connector assembly 100 further has an intermediate shielding plate 3 embedded and molded in the insulating housing 1 together with the conductive terminal 2. in the present invention, the conductive terminal 2 includes a ground terminal g and a power terminal p, and each of the ground terminal g and the power terminal p includes a base plate portion 204 and the contact portion 202 integrally formed to protrude upward or downward from the base plate portion 204.

Further, in the present embodiment, the contact portions 202 of the ground terminal g and the power supply terminal p are both formed by tearing from the substrate portion 204 thereof. Also, the electrical connector assembly 100 is provided with only one ground terminal g and one power terminal p on both sides of a vertical center plane thereof.

The solder fillets 203 of the first and

second terminals

21, 22 are arranged in the same row, and the fixing portions 201 of the first and

second terminals

21, 22 are provided at equal heights in the height direction. The middle shielding plate 3 is located between the contact portions 202 of the two rows of the conductive terminals 2 in the height direction, and the center height of the middle shielding plate 3 is the same as the center height of the power terminal p.

The first terminal 21 includes at least one power terminal p and one signal terminal s, and the second terminal 22 includes a pair of ground terminals g disposed at both sides thereof, and one power terminal p and one signal terminal s disposed inside the pair of ground terminals g.

Further, referring to fig. 2 to 7, in the first embodiment of the present invention, the signal terminals s of the first and

second terminals

21 and 22 each have the substrate portion 204 located on the same plane and the contact portion 202 integrally formed to protrude from the substrate portion 204. In the two rows of conductive terminals 2, the center height of the substrate portion 204 of the signal terminal s is the same as the center height of the substrate portion 204 of the power supply terminal p.

Referring to fig. 8 to 11, in the second embodiment of the present invention, the first terminal 21 further includes three signal terminals s located between a pair of power terminals p in the conductive terminal 2 in the transverse direction. In other words, the first terminal 21 includes one power terminal p and three signal terminals s arranged in sequence in the transverse direction. On the whole, the number of the signal terminals s in the two rows of conductive terminals 2 is four in total, and the four signal terminals s comprise a CC terminal, a D + terminal, a D-terminal and an SBU terminal which are sequentially arranged along the transverse direction; wherein the D + terminal and the D-terminal are mainly used for transmitting USB 2.0 signals.

In the present invention, the insulating body 1 is injection molded outside the two rows of the conductive terminals 2 at a time, and the contact portions 202 of the first terminals 21 and the contact portions 202 of the second terminals 22 are arranged in a staggered manner in the height direction.

The middle shielding sheets 3 are a pair of sheets which are arranged independently, are both in a horizontally arranged sheet structure, and are symmetrically embedded in the tongue plate part and the middle part of the insulating body 1.

Each intermediate shielding plate 3 includes a base 31 having a flat plate shape, a notch 32 recessed rearward from a front end of the base 31, and a protruding portion 34 extending outward from one side of the base 31 in the transverse direction, and the base 31 is provided with a first through hole 311 and a second through hole 312 penetrating through the base in the height direction. The projection of the ground terminal g on the horizontal plane is at least partially overlapped with the projection of the first and second through

holes

311, 312 of the corresponding middle shielding sheet 3 on the horizontal plane, so that the thimble can pass through and clamp the ground terminal g. The base body 31 is provided with a flat surface 313 extending in the front-rear direction on the side toward the power supply terminal p adjacent thereto.

In addition, in the present invention, the electrical connector assembly 100 further has a first material strip 41 connected to only the front end of the middle shielding plate 3 and a second material strip 42 connected to only the rear end of the solder leg 203 of the conductive terminal 2, so that the conductive terminal 2 and the middle shielding plate 3 can be manufactured by two material strips arranged in front and back.

In the present invention, the conductive terminals 2 of the electrical connector assembly 100 can be completely manufactured by only one second material strap, and the pair of middle shielding sheets 3 can be manufactured by only one first material strap.

Specifically, when the electrical connector assembly 100 is manufactured, after two rows of the conductive terminals 2 and the middle shielding plate 3 connected with the corresponding material belts are stacked and arranged along the height direction, the first material belt and the second material belt on the front side and the rear side of the conductive terminals are removed, and the conductive terminals are embedded and molded in the insulating body 1 after being positioned by a jig, so that the heads of the front ends of the conductive terminals 2 are completely coated by the insulating body 1, and the electrical connection is more reliable.

The insulating body 1 of the electric connector assembly 100 of the utility model can be finished only by one-time molding, the manufacturing process can be simplified, and the conductive terminals 2 and the middle shielding sheets 3 are embedded and molded in the insulating body 1 together, and the contact part 202 of each grounding terminal g and each power terminal p is integrally formed by protruding upwards or downwards from the substrate part 204, so that the plugging and unplugging life can be prolonged by the middle shielding sheets 3, and the manufacturing is convenient and the cost is low.

Although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the present invention.

Claims

1. The utility model provides an electric connector assembly, its includes that contact site arranges into a plurality of conductive terminals of two rows and one shot injection moulding in two rows the outer insulator of conductive terminal, conductive terminal includes that contact site arranges into a plurality of first terminals of one row and contact site arrange into a plurality of second terminals of another row, every conductive terminal has the fixed part, certainly the fixed part extends forward and exposes the insulator outside the contact site with extend insulator's leg, its characterized in that: the electric connector assembly is also provided with a middle shielding sheet embedded and formed in the insulating body together with the conductive terminals, the conductive terminals comprise a grounding terminal and a power terminal, and each grounding terminal and each power terminal comprise a substrate part and the contact part integrally formed by upwards or downwards protruding from the substrate part.

2. The electrical connector assembly of claim 1, wherein: the electrical connector assembly is provided with only one ground terminal and one power terminal on both sides of a vertical center plane of the electrical connector assembly.

3. The electrical connector assembly of claim 1, wherein: the middle shielding sheet is positioned between the contact parts of the two rows of conductive terminals in the height direction, and the center height of the middle shielding sheet is the same as that of the power supply terminals.

4. The electrical connector assembly of claim 2, wherein: the first terminal at least comprises one power terminal and one signal terminal, and the second terminal comprises a pair of grounding terminals which are respectively arranged at two sides of the first terminal and one power terminal and one signal terminal which are arranged at the inner side of the pair of grounding terminals.

5. The electrical connector assembly of claim 4, wherein: the signal terminals of the first and second terminals each have the substrate portion and the contact portion integrally formed to protrude from the substrate portion on the same plane, and the center height of the substrate portion of the signal terminal and the center height of the substrate portion of the power supply terminal are the same in the two rows of conductive terminals.

6. The electrical connector assembly of claim 4, wherein: the first terminal further includes three signal terminals located between a pair of power terminals of the conductive terminals in the lateral direction.

7. The electrical connector assembly of claim 4, wherein: the insulating body is provided with a plurality of pressing holes, the conductive terminals are at least partially exposed in the pressing holes, the middle shielding sheet is provided with a first through hole and a second through hole which penetrate through the middle shielding sheet along the height direction, and the projection of the grounding terminal on the horizontal plane is at least partially overlapped with the projection of the first through hole and the second through hole of the corresponding middle shielding sheet on the horizontal plane.

8. The electrical connector assembly of any one of claims 1 to 7, wherein: the solder tails of the first and second terminals are arranged in the same row, and the fixing portions of the first and second terminals are arranged at equal heights in the height direction.

9. The electrical connector assembly of any one of claims 1 to 7, wherein: the insulating body comprises a base part positioned on the rear side of the insulating body, a tongue plate part positioned on the front side of the insulating body and a middle part positioned between the base part and the tongue plate part, wherein the middle shielding plates are a pair of horizontally arranged sheet structures and symmetrically embedded in the tongue plate part and the middle part of the insulating body.

10. The electrical connector assembly of any one of claims 1 to 7, wherein: the electric connector assembly is also provided with a first material belt only connected with the front end of the middle shielding sheet and a second material belt only connected with the rear ends of the welding feet of the conductive terminals.