CN220324752U

CN220324752U - USB Type-C socket connector

Info

Publication number: CN220324752U
Application number: CN202321779731.1U
Authority: CN
Inventors: 王帅; 秦海伟; 仇金国
Original assignee: Qidong Qianshuo Electronic Co Ltd
Current assignee: Qidong Qianshuo Electronic Co Ltd
Priority date: 2023-03-20
Filing date: 2023-07-06
Publication date: 2024-01-09
Anticipated expiration: 2033-07-06

Abstract

The USB Type-C socket connector comprises an insulating body, a plurality of conductive terminals and a metal shell, wherein the conductive terminals comprise an upper row of terminals and a lower row of terminals, each conductive terminal comprises a contact part, a welding pin and a middle part connected between the contact part and the welding pin, the upper row of terminals comprises a first grounding terminal, a first power terminal and a plurality of first signal terminals, and the lower row of terminals comprises a second grounding terminal, a second power terminal and a plurality of second signal terminals; the welding feet of the first grounding terminal, the first signal terminal and the lower row of terminals are arranged in a row at intervals left and right, the middle part of the first power terminal and the welding feet of the second power terminal are attached together up and down, the front and back alignment of the welding feet of the first power terminal is arranged behind the welding feet of the second power terminal, and the design is such that the heat generated by the welding feet of the first power terminal and the second power terminal is distributed, the whole temperature rise is reduced by more than 2 ℃, meanwhile, the left and right space arrangement of products is saved, and the whole machine stacking is facilitated.

Description

USB Type-C socket connector

Technical Field

The utility model relates to the technology of an electric connector, in particular to a USB Type-C socket connector capable of transmitting high current.

Background

The USB Type-C connector has a forward and reverse plug function, and is increasingly widely used for transmitting signals, power sources, etc. in various electronic products. The general USB Type-C socket connector comprises an insulating body, upper and lower rows of terminals, a middle steel sheet positioned between the upper and lower rows of terminals and a metal shell wrapping the insulating body, wherein the insulating body comprises a main body and a tongue piece extending forwards from the main body, the upper and lower rows of terminals respectively comprise a grounding terminal, a power terminal and a signal terminal, and each terminal is provided with a contact part arranged on the upper and lower surfaces of the tongue piece and a welding pin extending out of the insulating body. The welding pins of the conductive terminals are arranged in a row or two rows in front and back at intervals left and right and are used for being welded on the circuit board. In the process of transmitting large current, the welding pins are concentrated to cause difficult heat dissipation, so that the temperature rise is higher, and if the distance between the welding pins is increased, the arrangement of bonding pads on a circuit board is too wide to influence the internal space of the whole machine.

Therefore, there is a need to design a new receptacle connector to solve the above-mentioned technical problems.

Disclosure of Invention

The utility model aims to provide a USB Type-C socket connector capable of reducing temperature rise.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the USB Type-C socket connector comprises an insulating body, a plurality of conductive terminals accommodated in the insulating body and a metal shell coating the insulating body, wherein the insulating body comprises a main body and a tongue piece extending forwards from the main body; each conductive terminal comprises a contact part extending forwards, a welding foot extending backwards out of the insulating body and a middle part connected between the contact part and the welding foot; the conductive terminals comprise an upper row of terminals and a lower row of terminals, the contact parts of the upper row of terminals are arranged on the upper surface of the tongue piece, the contact parts of the lower row of terminals are arranged on the lower surface of the tongue piece, the upper row of terminals comprise a first grounding terminal, a first power terminal and a plurality of first signal terminals, and the lower row of terminals comprise a second grounding terminal, a second power terminal and a plurality of second signal terminals; the first power terminal and the contact part of the second power terminal are arranged between the corresponding contact parts of the first grounding terminal and the second grounding terminal, the contact parts of the first signal terminal and the second signal terminal are arranged between the corresponding contact parts of the first power terminal and the second power terminal, the welding feet of the first grounding terminal, the first signal terminal and the lower row of terminals are arranged in a row at intervals left and right, the middle part of the first power terminal and the welding feet of the second power terminal are attached together up and down, and the front-back alignment of the welding feet of the first power terminal is arranged behind the welding feet of the second power terminal.

Further improved, the first power supply terminal or the second power supply terminal is integrated, and the whole body is Y-shaped.

Further, the thicknesses of the contact parts of the first power terminal and the second power terminal are larger than those of the corresponding contact parts of the first signal terminal and the second signal terminal.

Further, the contact parts of the first power supply terminal and the second power supply terminal are abutted one by one.

Further improvement, the middle part of the first power supply terminal comprises a front middle part and a rear middle part which are connected in a front-back mode, and the rear middle part is abutted with the welding pin of the second power supply terminal up and down.

Further improved, the welding pin of the first power supply terminal is formed by bending and extending downwards from the rear middle part and then horizontally extending backwards.

Further, the upper surface of the front middle part is provided with a first concave part which penetrates through the front middle part from left to right and forwards, the middle part of the first signal terminal is partially accommodated in the first concave part, and the first signal terminal is bent upwards relative to the first concave part to avoid positions.

Further, the lower surface of the middle part of the second power terminal is provided with a second concave part which penetrates through the middle part from left to right and forwards, the middle part of the second signal terminal is partially accommodated in the second concave part, and the second signal terminal is bent downwards relative to the second concave part to avoid the position.

Further, the second power supply terminal and the welding pins of the first signal terminal are arranged between two adjacent welding pins of the second signal terminal, the welding pins of the second power supply terminal are arranged between two adjacent welding pins of the first signal terminal, and the welding pins of the second signal terminal are arranged between the welding pins of the second grounding terminal.

Further, the welding feet of the first grounding terminal or the second grounding terminal are arranged at the outer side positions of the other welding feet.

The metal shell comprises a main metal shell, an upper metal shell and a lower metal shell, wherein the main metal shell is sleeved on the outer side of the insulating body and is provided with a plug hole, and the tongue piece is suspended in the plug hole; the upper metal shell comprises an arc-shaped upper covering wall, an upper plane wall extending outwards from the upper covering wall and fixing feet extending downwards from the outer side edge of the upper plane wall in a bending mode; the lower metal shell comprises an arc-shaped lower covering wall and a lower plane wall extending outwards from the lower covering wall, the upper covering wall and the lower covering wall are sleeved on the outer side of the main metal shell together, and the upper plane wall and the lower plane wall are attached together up and down.

According to the USB Type-C socket connector, the welding pins of the first grounding terminal, the first signal terminal and the lower row of terminals are arranged in a row at intervals left and right, the middle part of the first power terminal and the welding pin of the second power terminal are close to each other up and down, the welding pin of the first power terminal is arranged behind the welding pin of the second power terminal in a front-back alignment mode, and therefore the USB Type-C socket connector is designed, heat generated by the welding pins of the first power terminal and the second power terminal is distributed and arranged, the overall temperature rise is reduced by more than 2 ℃, meanwhile, left and right space arrangement of products is saved, and stacking of the whole USB Type-C socket connector is facilitated.

Drawings

Fig. 1 is a perspective view of the USB Type-C receptacle connector of the present utility model.

Fig. 2 is another perspective view of an angle of the USB Type-C receptacle connector of the present utility model.

Fig. 3 is an exploded perspective view of the USB Type-C receptacle connector of the present utility model.

Fig. 4 is an exploded perspective view of the USB Type-C receptacle connector of the present utility model, without showing the metal housing.

Fig. 5 is a perspective view showing the combination of the conductive terminals and the middle steel sheet of the USB Type-C receptacle connector of the present utility model.

Fig. 6 is a perspective view of another angle of fig. 5.

Fig. 7 is an exploded perspective view of the conductive terminals of the USB Type-C receptacle connector of the present utility model.

Fig. 8 is a side view of the first and second power terminals of the USB Type-C receptacle connector of the present utility model.

Detailed Description

Referring to fig. 1 to 8, the present utility model discloses a USB Type-C receptacle connector 100 having a positive and negative plug function, for being soldered on a circuit board (not shown), for being abutted by a plug connector (not shown), so as to realize signal and power transmission, comprising an insulating body 10, a conductive terminal 20, a pair of centering steel plates 30 and a metal housing, wherein the metal housing comprises a main metal housing 40, an upper metal housing 50 and a lower metal housing 60.

The insulating body 10 includes a main body 11 and a tongue piece 12 extending upward from the main body 11, and the tongue piece 12 has a horizontal plate shape. The insulator body 10 further includes an upper insulator 101, a lower insulator 102, and a main insulator 103. The upper insulator 101 and the lower insulator 102 are fixed together in a vertically stacked manner, and the main insulator 103 is injection-molded on the upper insulator 101, the lower insulator 102, the conductive terminals 20 and the middle steel sheet 30.

Each conductive terminal 20 includes a contact portion 201 at a front end, a solder leg 202 extending rearward from the insulative housing 10, and an intermediate portion 203 connected between the contact portion 201 and the solder leg 202. The conductive terminals 20 include upper terminals 21 and lower terminals 22, and contact portions 201 of the upper terminals 21 are arranged on the upper surface of the tongue piece 12 at right and left intervals, and contact portions 201 of the lower terminals 22 are arranged on the lower surface of the tongue piece 12 at right and left intervals.

The upper row of terminals 21 includes two first ground terminals 211, a first power terminal 212 and a plurality of first signal terminals 213. The lower row of terminals 22 includes two second ground terminals 221, a second power terminal 222, and a plurality of second signal terminals 223. The thickness of the contact portion 201 of the first ground terminal 211, the first power terminal 212, the second ground terminal 221 and the second power terminal 222 is greater than the thickness of the contact portion 201 of the first signal terminal 213 and the second signal terminal 223, so that the design is beneficial to the transmission of large current.

The first power supply terminal 212 and the second power supply terminal 222 are respectively integrated, the whole body is Y-shaped, the first power supply terminal 212 and the second power supply terminal 222 are respectively provided with two contact parts 201 which are spaced left and right, and the two contact parts 201 are arranged between the two corresponding first grounding terminals 211 and the two corresponding second grounding terminals 221; the contact portions 201 of the plurality of first signal terminals 213 are arranged between the two contact portions 201 of the first power supply terminal 212, and the contact portions 201 of the plurality of second signal terminals 223 are arranged between the two contact portions 201 of the second power supply terminal 222. The contact portions 201 of the first power supply terminal 212 and the second power supply terminal 222 are abutted one on top of the other.

The intermediate portions 203 of the first power supply terminal 212 and the second power supply terminal 222 include a front intermediate portion 2031 and a rear intermediate portion 2032, which are connected in the front-rear direction, respectively, and a first recess 2120 is provided on the upper surface of the front intermediate portion 2031 of the first power supply terminal 212, and the first recess 2120 penetrates the front intermediate portion 2031 in the left-right direction and the front-front direction, and the intermediate portions 203 of the plurality of first signal terminals 213 are partially accommodated in the first recess 2120; the lower surface of the front middle portion 2031 of the second power supply terminal 222 is provided with a second recess 2220, the second recess 2220 penetrates the front middle portion 2031 right and left and forward, and the middle portions 203 of the plurality of second signal terminals 223 are partially accommodated in the second recess 2220; the plastic of the insulating body 10 enters the first recess 2120 and the second recess 2220 to prevent the first power terminal 212 and the first signal terminal 213 and the second power terminal 222 and the second signal terminal 223 from being shorted. The rear middle portion 2032 of the first power terminal 212 is located above the solder feet 202 of the second power terminal 222, which are abutted together. The welding leg 202 of the first power terminal 212 is formed by bending and extending downwards from the rear middle portion 2032 and then horizontally extending backwards, is positioned behind the welding leg 202 of the second power terminal 222, is aligned front and back, and is positioned on the same horizontal plane.

The middle portion 203 of each first signal terminal 213 is bent upward with respect to the first recess 2120 and the middle portion 203 of each second signal terminal 223 is bent downward with respect to the second recess 220 to increase the vertical pitch of the middle portion 203 of the first power terminal 212 and the first signal terminal 213, the vertical pitch of the middle portion 203 of the second power terminal 222 and the second signal terminal 223, and further prevent the first power terminal 212 and the first signal terminal 213 and the second power terminal 222 and the second signal terminal 223 from being shorted.

The first ground terminals 211, the first signal terminals 213, and the solder feet 202 of the lower row of terminals 22 are arranged in a row on the left and right, and are positioned on the same horizontal plane, the solder feet 202 of the two first ground terminals 211 are arranged on the outermost side, the second power terminal 222 and the solder feet 202 of the first signal terminal 213 are arranged together between the two solder feet 202 of the second signal terminal 223 that are positioned on the innermost side (or adjacent), and the solder feet 202 of the second power terminal 222 are arranged between the two solder feet 202 of the first signal terminal 213 that are positioned on the innermost side (or adjacent). The solder feet 202 of the second signal terminal 223 are arranged between the solder feet 202 of the two second ground terminals 221. In other embodiments, the solder feet 202 of the two second ground terminals 221 are arranged at the outermost side, and the solder feet 202 of the second signal terminals 223 are arranged between the solder feet 202 of the two first ground terminals 211.

The middle steel plates 30 are provided in a horizontal plate structure and are provided on both left and right sides of the tongue piece 12, and each middle steel plate 30 is held and fixed between the contact portions 201 of the corresponding first and second ground terminals 211 and 221.

Referring to fig. 4, an upper insulator 101 is injection molded on an upper row of terminals 21 to form an upper terminal module, a lower insulator 102 is injection molded on a lower row of terminals 22 and a middle steel sheet 30 to form a lower terminal module, and after the upper terminal module and the lower terminal module are fixed together in an up-down overlapping manner, a main insulator 103 is injection molded on the upper terminal module and the lower terminal module.

The main metal casing 40 is a hollow cylindrical structure, is sleeved outside the insulating body 10, and is provided with a plug hole 42 for plugging the plug connector, and the tongue piece 12 is suspended in the plug hole 42.

The upper metal case 50 includes an arc-shaped upper cover wall 51, an upper planar wall 52 extending outward from the upper cover wall 51, and fixing legs 53 extending from the outer edge of the upper planar wall 52 in a downward bent manner, the fixing legs 53 being for mounting on a circuit board downward.

The lower metal case 60 includes a lower cover wall 61 having an arc shape and a lower plane wall 62 extending outward from the lower cover wall 61; the upper cover wall 51 and the lower cover wall 61 are opposite from each other up and down, are sleeved on the outer side of the main metal shell 40 together, and are fixed by laser welding; the upper planar wall 52 and the lower planar wall 62 are attached together up and down and are laser welded.

The welding pins 202 of the first power terminal 212 and the second power terminal 222 of the USB Type-C socket connector 100 are arranged front and back, and the welding pins 202 of the second power terminal 222 and the middle part 203 of the first power terminal 212 are attached together up and down, so that heat generated by the welding pins 202 of the first power terminal 212 and the second power terminal 222 is distributed and arranged, the overall temperature rise is reduced by more than 2 ℃, meanwhile, the left and right space arrangement of products is saved, and the whole machine stacking is facilitated.

Although the preferred embodiments of the present utility model have been disclosed for illustrative purposes, those skilled in the art will appreciate that various modifications, additions and substitutions are possible, without departing from the scope and spirit of the utility model as disclosed in the accompanying claims.

Claims

1. The USB Type-C socket connector comprises an insulating body, a plurality of conductive terminals accommodated in the insulating body and a metal shell coating the insulating body, wherein the insulating body comprises a main body and a tongue piece extending forwards from the main body; each conductive terminal comprises a contact part extending forwards, a welding foot extending backwards out of the insulating body and a middle part connected between the contact part and the welding foot; the conductive terminals comprise an upper row of terminals and a lower row of terminals, the contact parts of the upper row of terminals are arranged on the upper surface of the tongue piece, the contact parts of the lower row of terminals are arranged on the lower surface of the tongue piece, the upper row of terminals comprise a first grounding terminal, a first power terminal and a plurality of first signal terminals, and the lower row of terminals comprise a second grounding terminal, a second power terminal and a plurality of second signal terminals; the contact portions of the first power supply terminal and the second power supply terminal are arranged between the corresponding contact portions of the first grounding terminal and the second grounding terminal, and the contact portions of the first signal terminal and the second signal terminal are arranged between the corresponding contact portions of the first power supply terminal and the second power supply terminal, and the circuit is characterized in that: the first grounding terminals, the first signal terminals and the welding pins of the lower row of terminals are arranged in a row at intervals left and right, the middle parts of the first power terminals and the welding pins of the second power terminals are attached together up and down, and the welding pins of the first power terminals are arranged behind the welding pins of the second power terminals front and back.

2. The USB Type-C receptacle connector of claim 1, wherein: the first power supply terminal or the second power supply terminal is integrated, and the whole body is Y-shaped.

3. The USB Type-C receptacle connector of claim 1, wherein: the thicknesses of the contact parts of the first power supply terminal and the second power supply terminal are larger than those of the corresponding contact parts of the first signal terminal and the second signal terminal.

4. The USB Type-C receptacle connector of claim 1, wherein: the contact parts of the first power supply terminal and the second power supply terminal are attached together one by one.

5. The USB Type-C receptacle connector of claim 1, wherein: the middle part of the first power supply terminal comprises a front middle part and a rear middle part which are connected front and back, and the rear middle part is abutted with the welding pin of the second power supply terminal up and down.

6. The USB Type-C receptacle connector of claim 5, wherein: the welding pin of the first power supply terminal is formed by downwards bending and extending from the rear middle part and then horizontally extending backwards.

7. The USB Type-C receptacle connector of claim 5, wherein: the upper surface of the front middle part is provided with a first concave part which penetrates through the front middle part from left to right and forwards, the middle part of the first signal terminal is partially accommodated in the first concave part, and the first signal terminal is bent upwards relative to the first concave part to avoid positions.

8. The USB Type-C receptacle connector of claim 1, wherein: the lower surface of the middle part of the second power terminal is provided with a second concave part which penetrates through the middle part from left to right and forwards, the middle part of the second signal terminal is partially accommodated in the second concave part, and the second signal terminal is bent downwards relative to the second concave part to avoid positions.

9. The USB Type-C receptacle connector of claim 1, wherein: the welding feet of the second power supply terminal and the first signal terminal are arranged between two adjacent welding feet of the second signal terminal, the welding feet of the second power supply terminal are arranged between two adjacent welding feet of the first signal terminal, and the welding feet of the second signal terminal are arranged between the welding feet of the second grounding terminal.

10. The USB Type-C receptacle connector of claim 1, wherein: the welding feet of the first grounding terminal or the second grounding terminal are arranged at the outer side positions of the other welding feet.

11. The USB Type-C receptacle connector of claim 1, wherein: the metal shell comprises a main metal shell, an upper metal shell and a lower metal shell, wherein the main metal shell is sleeved on the outer side of the insulating body and is provided with a plug hole, and the tongue piece is suspended in the plug hole; the upper metal shell comprises an arc-shaped upper covering wall, an upper plane wall extending outwards from the upper covering wall and fixing feet extending downwards from the outer side edge of the upper plane wall in a bending mode; the lower metal shell comprises an arc-shaped lower covering wall and a lower plane wall extending outwards from the lower covering wall, the upper covering wall and the lower covering wall are sleeved on the outer side of the main metal shell together, and the upper plane wall and the lower plane wall are attached together up and down.