CN218101756U

CN218101756U - Large-current USB socket

Info

Publication number: CN218101756U
Application number: CN202222063453.1U
Authority: CN
Inventors: 资华古
Original assignee: Shenzhen Everwin Precision Technology Co Ltd
Current assignee: Shenzhen Everwin Precision Technology Co Ltd
Priority date: 2022-08-05
Filing date: 2022-08-05
Publication date: 2022-12-20
Anticipated expiration: 2032-08-05

Abstract

The utility model provides a large current USB socket, includes first terminal module, second terminal module and will first terminal module and second terminal module fixing insulator as an organic whole, first terminal module includes first terminal group, second terminal module includes second terminal group, first terminal group and second terminal group all include corresponding ground terminal, power supply terminal, a plurality of signal terminal, power supply terminal, ground terminal in the vertical direction, ground terminal, power supply terminal and signal terminal all include the contact site, certainly the embedding portion that extends formation behind the contact site and certainly the leg of welding that extends formation behind the embedding portion, the width of ground terminal and power supply terminal is greater than the width of signal terminal, ground terminal and power supply terminal widen the position department at the front end and inwards stamp and form the bridging portion, and upper and lower corresponding ground terminal, power supply terminal pass through respectively the bridging portion electricity leads to. The application supports high power charging.

Description

Large-current USB socket

Technical Field

The present application relates to the field of electrical connectors, and more particularly to a high current USB socket.

Background

The patent application No. 201621233218.2 of the people's republic of china discloses a high-current USB socket, which punches the edges of grounding terminals at corresponding positions of upper and lower rows to form conductive parts which are contacted together, and the grounding terminals of the upper and lower rows of terminals are connected together in parallel. Meanwhile, a high-frequency signal terminal is removed, two power supply terminals are arranged at one position of the high-frequency signal terminal, the two power supply terminals are conducted in a bridging mode to transmit current together, the effect of increasing transmission power can be achieved, the charging power is improved, and the charging speed is increased. With the continuous improvement of the charging power of the electronic device, the requirement of the existing structure on the charging power is not enough to support, the impedance needs to be further reduced, the heating is reduced, and the transmission power is further improved.

SUMMERY OF THE UTILITY MODEL

Accordingly, there is a need for a high current USB receptacle that supports high power transmission.

For solving above-mentioned technical problem, the application provides a heavy current USB socket, include first terminal module, second terminal module and will first terminal module and second terminal module fixing insulator as an organic whole, first terminal module includes first terminal group, second terminal module includes second terminal group, first terminal group and second terminal group all include corresponding ground terminal, power supply terminal, a plurality of signal terminal, power supply terminal, ground terminal, power supply terminal in the vertical direction, ground terminal, power supply terminal and signal terminal all include the contact site, certainly the contact site is to extending the portion of burying that forms and certainly bury the portion and then extend the leg that forms, ground terminal and power supply terminal's width is greater than signal terminal's width, ground terminal and power supply terminal are in the inside punching press formation bridging portion of front end position department, two pairs of ground terminal, two pairs of power supply terminal that correspond about first terminal group and the second terminal group pass through respectively the bridging portion leads to electricity.

Preferably, the rear portion of the contact portion, the embedded portion and the solder leg are widened to form a widened portion, and the bridging portion is stamped and formed from the widened portion at the contact portion.

Preferably, the outer surface of the bridging portion is covered by the insulating body, the outer surface of the contact portion is exposed outside the insulating body, inner surfaces of the bridging portions of the pair of upper and lower corresponding ground terminals are in electrical contact with each other, and inner surfaces of the bridging portions of the pair of upper and lower corresponding power terminals are in electrical contact with each other.

Preferably, the insulation body comprises a base, a wrapping portion formed by extending forwards from the base, and a docking tongue portion formed by extending forwards from the wrapping portion, the outer surfaces of the contact portions of the first terminal group and the second terminal group are exposed on the upper surface or the lower surface of the docking tongue portion, the width of the front end portion of the contact portion is smaller than that of the widened portion, and the width of the portion of the contact portion exposed outside the docking tongue portion is kept consistent.

Preferably, the ground terminal on one lateral side is adjacent to the bridging portion of the power terminal, that is, the bridging portion of the ground terminal is located inside the ground terminal, and the bridging portion of the power terminal is located outside the power terminal.

Preferably, the first terminal module further includes a middle plate and a first insulator integrally holding the middle plate and the first terminal group, the bridging portions of the first terminal group are exposed on an inner surface of the first insulator, and a plurality of supporting bosses are convexly formed at a front end portion of the first insulator, the second terminal module further includes a second insulator integrally holding the second terminal group, the second insulator wraps the embedded portion of the second terminal group, and the contact portion of the second terminal group is exposed outside the second insulator.

Preferably, the first terminal module is combined with a second terminal module, the ground terminal of the second terminal group is electrically contacted with the bridging portion of the power terminal and the bridging portion of the first terminal group exposed outside the first insulator, and the front end of the signal terminal of the second terminal group is supported on the supporting boss.

Preferably, welding pieces are further inserted on the first terminal module and the second terminal module, and after the first terminal module and the second terminal module are molded in the insulating body, the outer surfaces of the welding pieces are exposed to the upper surface and the lower surface of the base.

Preferably, the high-current USB socket further includes a housing, the housing includes an annular housing, a cavity penetrating the annular housing from front to back, and a welding area formed at the rear end of the upper and lower surfaces of the annular housing, the first and second terminal modules and the insulating body are installed in the cavity, and the welding piece contacts with the inner surface of the welding area and is spot-welded together.

Preferably, a cut-off part is further formed at the rear end of the base part of the insulating body, the cut-off part is at least partially surrounded by the annular shell, waterproof glue is filled in the cut-off part, and the waterproof glue is bonded with the inner wall surface of the annular shell.

This application heavy current USB socket is through widening ground terminal, the power supply terminal 3 of first terminal group, second terminal group to contact site widening position punching press forms the bridging portion towards relative terminal group, makes the ground terminal of first terminal group and second terminal group passes through the bridging portion electrical contact makes the power supply terminal of first terminal group and second terminal group pass through the bridging portion electrical contact, thereby will the first terminal group with the power supply terminal of second terminal group is parallelly connected together with ground terminal in order to promote current transmission ability.

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 view of a high current USB socket of the present application;

FIG. 2 is an exploded perspective view of the housing and connector of the high current USB socket of the present application;

FIG. 3 is an exploded perspective view of the connector of the high current USB jack of the present application;

FIG. 4 isbase:Sub>A cross-sectional view taken along line A-A of FIG. 2;

fig. 5 is a combination diagram of a first terminal set, a second terminal set and a middle plate of the large current USB socket of the present application;

fig. 6 is a sectional view taken along the line B-B of fig. 5.

Description of the reference numerals

-a housing-10; an annular housing-11; a cavity-12; a weld zone-13; a wing-14; an ear-15; a convex ring-16; a sealing ring-17; a plug-in unit-A; an insulator body-20; a base-21; a wrapping portion-22; a docking tongue-23; tail-24; a first terminal module-30; a ground terminal-301; a power supply terminal-302; signal terminal-303; a first terminal set-31; a first insulator-32; weld tab-33, 43; a middle plate-34; a contact portion-311; an embedded part-312; solder tail-313; a widening-314; a bridge portion-315; supporting boss-321; a second terminal module-40; a second terminal set-41; a second insulator-42.

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 a few embodiments of the present application, and not all embodiments.

In the present application, the X direction shown in fig. 1 is taken as the front of the longitudinal direction, the Y direction is taken as the lateral direction, and the Z direction is taken as the vertical direction.

Referring to fig. 1 and fig. 2, the large current USB socket of the present application includes a connector a and a housing 10 sleeved outside the connector a.

The outer shell 10 includes an annular shell 11, a cavity 12 formed by penetrating the annular shell 11 from front to back, wings 14 formed by extending from the rear ends of the two lateral sides of the annular shell 11 to back, welding zones 13 formed on the upper and lower surfaces of the annular shell 11 to back, ear parts 15 formed by extending from the two lateral sides of the annular shell 11 to outside, and a convex ring 16 formed by protruding from the front side of the annular shell 11 in the radial direction. The shell 10 is made by adopting a die-casting or powder metallurgy process, and the front end of the convex ring 16 is sleeved with a sealing ring 17.

As shown in fig. 3 to fig. 6, the plug connector a includes a first terminal module 30, a second terminal module 40, and an insulating body 20 holding the first terminal module 30 and the second terminal module 40 together.

The insulative housing 20 includes a base 21, a covering 22 extending forward from the base 21, a butt tongue 23 extending forward from the covering 22, and a tail 24 formed at the rear end of the base 21. The base 21 and the tail 24 are separated, the separated part is connected with the second terminal module 40 through the first terminal module 30, at least part of the separated part is surrounded by the annular shell 11 of the shell 10, and the overlapped part of the separated part and the annular shell 11 is filled with waterproof glue to realize a waterproof function.

The first terminal module 30 includes a first terminal group 31, an intermediate plate 34, a first insulator 32 holding the first terminal group 31 and the intermediate plate 34 together, and a soldering tab 33 fixed on the first insulator 32. The second terminal module 40 includes a second terminal set 41, a second insulator 42 that integrally holds the second terminal set 41, and a welding piece 43 fixed to the second insulator 42.

The

welding sheets

33 and 43 are fixed on the upper or lower surfaces of the first insulator 32 and the second insulator 42 in an inserting way, and the positions of the

welding sheets

33 and 43 correspond to the position of the base 21 of the insulator 20. And the surfaces of the

welding pieces

33,43 are respectively exposed on the upper and lower surfaces of the base portion 21 of the insulating body 20, and the surfaces of the

welding pieces

33,43 are brought into contact with the welding area 13 on the inner wall surface of the annular housing 11 and welded together, thereby fixing the plug connector a in the housing 10.

The first terminal group 31 and the second terminal group 41 respectively include a pair of ground terminals 301 located at the outermost sides in the lateral direction, a pair of power terminals 302 located between the pair of ground terminals 301, and a plurality of signal terminals 303 located between the pair of power terminals 302. The ground terminal 301, the power terminal 302 and the signal terminal 303 are collectively referred to as conductive terminals, each of which includes a contact portion 311 exposed on the upper or lower surface of the mating tongue 23, an embedded portion 312 formed to extend rearward from the contact portion 311, and a solder tail 313 formed to extend rearward from the embedded portion 312. The ground terminal 301 and the power terminal 302 of the first terminal group 31 correspond to the ground terminal 301 and the power terminal 302 of the second terminal group 41, respectively, in the vertical direction. The thickness and width of the ground terminal 301 and the power terminal 302 are larger than those of the signal terminal 303. The ground terminal 301 and the power terminal 302 have a wide width and a widened portion 314 at the rear portion of the contact portion 311, the embedded portion 312 and the solder tail 313. While the front portion of the contact portion 311 has a width smaller than that at the widened portion 314.

The widened portions of the contact portions 311 of the first terminal set 31 and the second terminal set 41 are stamped with bridge portions 315 that project toward each other, respectively. The bridging portions 315 of the first terminal set 31 and the bridging portions 315 of the second terminal set 41 are respectively and correspondingly contacted together, specifically, the bridging portions 315 of the ground terminals 301 of the first terminal set 31 are in electrical contact with the bridging portions 315 of the ground terminals 301 of the second terminal set 41; the bridging portions 315 of the power terminals 302 of the first terminal set 31 are in electrical contact with the bridging portions 315 of the power terminals 302 of the second terminal set 41. The outer surface of the bridging portion 315 is recessed compared to the outer surface of the contact portion 311 corresponding to the conductive terminal, so that the outer surface of the bridging portion 315 is wrapped by the mating tongue 23 of the insulative housing 20 and is not exposed to the surface of the mating tongue 23. While the inner surfaces of the bridging portions 315 are in electrical contact with each other two by two.

The inner surfaces of the bridging portions 315 of the first terminal set 31 are exposed to the surface of the first insulator 32, and a plurality of supporting bosses 321 are formed on the inner side of the front end of the first insulator 32. The second insulator 42 holds the rear end portions of the second terminal sets 41 together while exposing the front end portions of the second terminal sets 41 to the outside, and in particular, when the second terminal module 40 is stacked with the first terminal module, the signal terminals 303 of the second terminal sets 41 are respectively supported above different supporting bosses 321. The

welding tabs

33,43 are respectively inserted and fixed on the first insulator 32 and the second insulator 42. The middle plate 34 is held by the first insulator 32 after being fixed in contact with the ground terminals 301 of the first terminal group 31. The first terminal module 30 and the second terminal module 40 are combined together and then injection molded to form the insulation body 20, and the

welding sheets

33 and 43 except the outer surface portion are wrapped in the insulation body 20.

Finally, the plug connector a is pushed into the cavity 12 of the outer shell 10 from back to front, the

welding strips

33 and 43 respectively correspond to the welding areas 13 on the upper side and the lower side of the annular shell 11 and are fixed together by spot welding, the wing 14 is positioned on the two transverse sides of the tail 24 to protect the tail 24, and the wing 14 and the welding pins 313 can be welded together on a printed circuit board for fixing. Waterproof glue is filled to the separation position from the rear end of the annular shell 11.

The ground terminal 301 located on the same lateral side is adjacent to the bridge portion 315 of the power terminal 302, i.e., the bridge portion 315 of the ground terminal 301 is located on the inner side thereof, and the bridge portion 315 of the power terminal 302 is located on the outer side thereof.

The large-current USB socket widens the grounding terminals 301 and the power terminals 302 of the first terminal group 31 and the second terminal group 41, and forms the bridging portion 315 facing the opposite terminal group by stamping at the widened position of the contact portion 311, so that the grounding terminals 301 of the first terminal group 31 and the second terminal group 41 are in electrical contact through the bridging portion 315, the power terminals 302 of the first terminal group 31 and the second terminal group 41 are in electrical contact through the bridging portion 315, and the power terminals 302 and the grounding terminals 301 of the first terminal group 31 and the second terminal group 41 are connected in parallel to improve the current transmission capability.

All possible combinations of the technical features in the above embodiments may not be described for the sake of brevity, but should be considered as being within the scope of the present disclosure as long as there is no contradiction between the combinations of the technical features.

The above examples only represent preferred embodiments of the present invention, which are described in more detail and detail, but are not to be construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A large-current USB socket comprises a first terminal module, a second terminal module and an insulating body, wherein the insulating body is used for fixing the first terminal module and the second terminal module into a whole, the first terminal module comprises a first terminal group, the second terminal module comprises a second terminal group, the first terminal group and the second terminal group respectively comprise a grounding terminal, a power terminal, a plurality of signal terminals, a power terminal and a grounding terminal which correspond to each other in the vertical direction, the grounding terminal, the power terminal and the signal terminals respectively comprise a contact part, an embedded part formed by extending from the back of the contact part and a welding pin formed by extending from the back of the embedded part, the large-current USB socket is characterized in that the width of the grounding terminal and the width of the power terminal are larger than the width of the signal terminals, the bridging parts are formed by inwards stamping the widened positions of the grounding terminal and the power terminal at the front ends, and two pairs of grounding terminals and two pairs of power terminals which correspond to each other up and down to each other are respectively and electrically conducted through the bridging parts.

2. The high current USB socket according to claim 1, wherein the contact rear portion, the embedded portion and the solder tail are widened to form a widened portion, and wherein the bridging portion is stamped and formed from the widened portion at the contact.

3. The high current USB socket according to claim 2, wherein the bridge portions are covered on an outer surface thereof by the housing, the contact portions are exposed on an outer surface thereof, inner surfaces of the bridge portions of the pair of upper and lower ground terminals electrically contact each other, and inner surfaces of the bridge portions of the pair of upper and lower power terminals electrically contact each other.

4. The high current USB socket according to claim 3, wherein the housing includes a base portion, a covering portion extending forward from the base portion, and a mating tongue portion extending forward from the covering portion, the outer surfaces of the contact portions of the first and second terminal sets are exposed on the upper or lower surface of the mating tongue portion, the width of the front end portion of the contact portion is smaller than the width of the widened portion, and the width of the portion of the contact portion exposed outside the mating tongue portion is kept uniform.

5. The high current USB socket according to claim 4, wherein the ground terminal on one lateral side is adjacent to the bridge portion of the power terminal, i.e. the bridge portion of the ground terminal is located inside the ground terminal and the bridge portion of the power terminal is located outside the power terminal.

6. The high current USB socket according to claim 5, wherein the first terminal module further comprises a middle plate and a first insulator integrally holding the middle plate and the first terminal set, the bridging portion of the first terminal set is exposed on an inner surface of the first insulator, and a front end portion of the first insulator is protruded with a plurality of supporting bosses, the second terminal module further comprises a second insulator integrally holding the second terminal set, the second insulator encloses the embedded portion of the second terminal set, and the contact portion of the second terminal set is exposed outside the second insulator.

7. The high current USB receptacle of claim 6, wherein said first terminal module is assembled with a second terminal module, said second terminal set ground and power terminal bridge portions being in electrical contact with said first terminal set bridge portions exposed outside said first insulator, said second terminal set signal terminal front ends being supported on said support bosses.

8. The high current USB socket according to claim 7, wherein the first and second terminal modules further have solder tabs inserted thereon, the solder tabs having outer surfaces exposed on the upper and lower surfaces of the base after the first and second terminal modules are molded in the insulative housing.

9. The high current USB socket according to claim 8, wherein the high current USB socket further comprises a housing, the housing comprising an annular housing, a cavity extending through the annular housing, and a soldering region formed at the rear end of the upper and lower surfaces of the annular housing, the first and second terminal modules and the insulating body being received in the cavity, the soldering tab contacting the inner surface of the soldering region and being spot-welded together.

10. The high current USB socket according to claim 9, wherein the rear end of the base of the housing further has a break, the break is at least partially surrounded by the annular housing, and the break is filled with a waterproof adhesive, and the waterproof adhesive is adhered to the inner wall of the annular housing.