CN204516939U - Electric connector for socket - Google Patents

Abstract

A kind of electric connector for socket, comprises screening can, insulating body, first group of terminal, second group of terminal, switching circuit board and plural number extension terminal.Insulating body is arranged in screening can, and insulating body comprises pedestal and upper hyoplastron, lower hyoplastron and demarcation strip, forms interface between demarcation strip and screening can top board, forms lower interface between demarcation strip and screening can base plate.First group of terminal and second group of terminal are arranged at insulating body, and switching circuit board is positioned at insulating body rear, and switching circuit board comprises on connection first group of terminal arranges contact group and lower row's contact group.Plural number extends terminal side and connects lower row's contact group, and plural number extends terminal opposite side and extends to bottom insulating body.

Description

socket electrical connector

technical field

The utility model relates to an electrical connector, in particular to a socket electrical connector.

Background technique

The general electrical connector interface is Universal Serial Bus (USB for short). Its plug-and-play feature is widely used by ordinary consumers, and it has been developed with the USB 2.0 transmission specification to today's faster transmission speed. USB 3.0 transmission specification.

Among them, the socket electrical connector of the existing USB Type-C connection interface specification includes an insulating body, a plurality of first terminals, a plurality of second terminals and a hollow shell. The insulating body includes a base and a tongue extending from one side of the base. And each first terminal is arranged on the base and the tongue plate, each first terminal is arranged on the upper surface of the tongue plate at the front part, and the rear part passes through the base to connect with the circuit board. Each second terminal is formed on the base and the tongue plate, the front part of each second terminal is arranged on the lower surface of the tongue plate, and the rear part passes through the base to connect to the circuit board.

The existing USB Type-C receptacle electrical connectors only have a single plug interface to form a USB 3.0 transmission interface for transmission, that is, only a single plug electrical connector is provided to plug into the plug interface and transmit USB 3.0 signals. The problem that the USB Type-C socket electrical connector cannot simultaneously provide multiple plug electrical connectors to insert and transmit signals. Therefore, how to solve the problem of conventional knowledge structure is the problem that relevant practitioners must think about.

Utility model content

In order to solve the above problems, the utility model provides an electrical socket connector, which includes a shielding shell, an insulating body, a first group of terminals, a second group of terminals, an adapter circuit board and a plurality of extension terminals. The shielding shell includes an accommodating groove. The insulating body is arranged on the shielding shell and located in the accommodating groove. The insulating body includes a base, an upper tongue plate, a lower tongue plate and a partition plate. The upper tongue plate, the lower tongue plate and the partition plate extend from one side of the base and form a vertical Arranged, the partition plate is interposed between the upper tongue plate and the lower tongue plate, an upper insertion interface is formed between the partition plate and the top plate of the shielding shell, and a lower insertion interface is formed between the partition plate and the bottom plate of the shielding shell. The first group of terminals is disposed on the insulating body, and the first group of terminals includes a plurality of upper row flat terminals and a plurality of lower row flat terminals. The plurality of upper-row flat terminals includes a plurality of upper-row signal terminals, at least one upper-row power terminal and at least one upper-row ground terminal, and each upper-row flat terminal is arranged on the base and the upper tongue plate and is located on the upper surface of the upper tongue plate. The plurality of lower row flat terminals includes a plurality of lower row signal terminals, at least a lower row of power terminals and at least a lower row of ground terminals, and each lower row flat terminal is arranged on the base and the upper tongue plate and is located on the lower surface of the upper tongue plate. The second group of terminals is disposed on the insulating body, and the second group of terminals includes a plurality of upper-row flat terminals and a plurality of lower-row flat terminals. The plurality of upper-row flat terminals includes a plurality of upper-row signal terminals, at least one upper-row power terminal, and at least one upper-row ground terminal, and each upper-row flat terminal is arranged on the base and the lower tongue plate and is located on the upper surface of the lower tongue plate. The plurality of lower row flat terminals includes a plurality of lower row signal terminals, at least one lower row of power terminals and at least one lower row of ground terminals, and each lower row flat terminal is arranged on the base and the lower tongue plate and is located on the lower surface of the lower tongue plate. The transfer circuit board is located in the accommodating slot and covers the rear of the base, and the transfer circuit board includes an upper row of contact groups and a lower row of contact groups connected to the first group of terminals. One side of the plurality of extension terminals is connected to the lower row of contact groups, and the other side of the plurality of extension terminals extends to the bottom of the base.

To sum up, the utility model uses the transfer function of the transfer circuit board. After the first group of terminals is connected to the transfer circuit board, the first group of terminals can use the transfer circuit board and the switch below the transfer circuit board. A plurality of extended terminals are connected to the circuit board, so that the first group of terminals can be electrically connected to the circuit board, so as to reduce the difficulty of manufacturing and save materials, and make the socket electrical connector of the USB Type-C connection interface form an upper and lower double plug interface for supply Multiple plug electrical connectors are used for plugging.

In addition, the plurality of upper-row flat-plate terminals and the plurality of lower-row flat-plate terminals of the socket electrical connector are upside down, and the arrangement of the plurality of upper-row contact segments is opposite to the arrangement of the plurality of lower-row contact segments, providing plug electrical connectors. When plugged into the socket electrical connector, the terminals of the plug electrical connector can be in contact with the plurality of upper contact segments, and when the plug electrical connector is reversely plugged into the socket electrical connector, the terminals of the plug electrical connector It can also be in contact with a plurality of lower row contact sections, and the socket electrical connector has the function of not restricting the forward or reverse insertion of the plug electrical connector.

Description of drawings

FIG. 1 is a schematic diagram of the appearance of the socket electrical connector of the present invention.

FIG. 2 is an exploded schematic view of the socket electrical connector of the present invention.

Fig. 3 is a side view schematic diagram of the socket electrical connector of the present invention.

FIG. 4 is a schematic three-dimensional cross-sectional view of the socket electrical connector of the present invention.

Fig. 5 is an exploded schematic view of the first group of terminals and the upper row of grounding plates of the present invention.

Fig. 6 is an exploded schematic diagram of the second group of terminals and the lower row of ground plates of the present invention.

FIG. 7 is a schematic diagram of the appearance of the first group of terminals, the upper row of ground plates, the transfer circuit board and the extension terminals of the present invention.

FIG. 8 is a schematic cross-sectional view of the first set of terminals and the switching circuit board of the present invention.

FIG. 9 is a front sectional schematic view of the socket electrical connector of the present invention.

Symbol Description

100 socket electrical connector

11 Insulation body

12 base

13 upper lingual plate

14 lower lingual plate

15 dividers

2 The first group of terminals

21 Upper row flat terminals

211 Upper signal terminal

212 Upper power terminal

213 Upper ground terminal

215 Upper row contact section

216 Upper row connecting section

217 Upper row welding section

218 Upper row extension

22 Bottom row flat terminals

221 Lower row signal terminals

222 Lower row of power terminals

223 Lower row ground terminal

225 Lower row contact section

226 Lower connection section

227 The lower row of welding section

228 Lower row extension

3 The second group of terminals

31 Upper row flat terminal

311 Upper row signal terminal

312 Upper power terminal

313 Upper ground terminal

315 Upper row contact section

316 upper row connecting section

317 Upper row welding section

32 Bottom row flat terminals

321 Lower row signal terminals

322 Lower row of power terminals

323 Lower row ground terminal

325 Lower row contact section

326 lower connection section

327 The lower row of welding section

4 shielded shell

41 holding tank

42 Up plug interface

43 Lower plug interface

44 Central ground lug

51 Upper row ground lug

52 Bottom row ground lug

6 Transition circuit board

61 upper contact group

62 lower contact group

63 conductive hole

7 Extension terminal

8 circuit board

81 contacts.

Detailed ways

Referring to Fig. 1, Fig. 2 and Fig. 3, it is the first embodiment of the present utility model, Fig. 1 is a schematic diagram of the appearance, Fig. 2 is a schematic diagram of disassembly, and Fig. 3 is a schematic diagram of a side view. The socket electrical connector 100 of the present utility model is a USB Type-C connection interface specification. Here, the socket electrical connector 100 forms an upper and lower double-plug interface for multiple plug electrical connectors to be plugged in, and the same two USB 3.0 or USB 3.1 transmission interface electrical connectors are used as an illustration, but not limited to this . In some embodiments, the dual-plug interface can be used to transmit USB 2.0 and USB 3.0 or USB 3.1 transmission interfaces, or USB 2.0 and USB 2.0 transmission interface specifications. The detailed structure is as follows . Here, the socket electrical connector 100 of the present invention includes a shielding shell 4 , an insulating body 11 , a first group of terminals 2 , a second group of terminals 3 , an adapter circuit board 6 and a plurality of extension terminals 7 . In addition, the shielding case 4 is a hollow shell, and the shielding case 4 includes an accommodating groove 41 . The insulating body 11 is disposed on the shielding case 4 and located in the accommodating groove 41 , so that the shielding case 4 covers the insulating body 11 .

Please refer to FIG. 2, FIG. 3 and FIG. 4 again, the insulating body 11 includes a base 12, an upper tongue plate 13, a lower tongue plate 14 and a partition plate 15, and a base is formed by insert-molding. Seat 12 , upper tongue plate 13 , lower tongue plate 14 and partition plate 15 . The upper tongue plate 13, the lower tongue plate 14 and the partition plate 15 all extend from one side of the base 12 to the front side (that is, the docking side with the plug electrical connector), and the partition plate 15 is between the upper tongue plate 13 and the Between the lower tongue plates 14, that is, the upper tongue plate 13, the partition plate 15 and the lower tongue plate 14 are arranged in sequence from top to bottom, and the upper tongue plate 13, the partition plate 15 and the lower tongue plate 14 form a vertical arrangement configuration. In addition, an upper insertion interface 42 is formed between the partition plate 15 and the top plate of the shielding case 4 , that is, the upper insertion port 42 is defined by the top of the partition plate 15 and the top plate and two side plates of the shielding case 4 . A lower insertion interface 43 is formed between the partition plate 15 and the bottom plate of the shielding case 4 , that is, the lower insertion port 43 is defined by the bottom of the partition plate 15 and the bottom plate and two side plates of the shielding case 4 .

Please refer to FIG. 2 , FIG. 3 , FIG. 4 and FIG. 5 again. The first group of terminals 2 is disposed on the insulating body 11 . The plurality of upper row flat terminals 21 of the first group of terminals 2 are arranged on the base 12 and the upper tongue plate 13 and are located on the upper surface of the upper tongue plate 13, and the plurality of upper row flat terminals 21 can be insert-molded. The way is combined with the base 12 and the upper tongue plate 13. Each upper row of flat terminals 21 includes an upper row of contact sections 215, an upper row of connecting sections 216 and an upper row of welding sections 217, the upper row of connecting sections 216 are arranged on the base 12 and the upper tongue plate 13, the upper row of contact sections The segment 215 extends from one side of the upper row of connecting segments 216 and is located on the upper surface of the upper tongue plate 13 , and the upper row of welding segments 217 extends from the other side of the upper row of connecting segments 216 and passes through the rear of the base 12 . A plurality of upper-row flat terminals 21 are located on the upper surface to transmit a set of first signals (i.e. USB 3.0 or USB 3.1 signals), and a plurality of upper-row soldering sections 217 pass through the base 12 and are connected to the adapter circuit board in the form of DIP pins 6 , that is, a plurality of upper-row soldering sections 217 pass through the rear of the base 12 and connect to the upper-row contact group 61 of the interposer circuit board 6 .

Please refer to Fig. 2, Fig. 3, Fig. 4 and Fig. 5 again, the plurality of lower row flat terminals 22 of the first group of terminals 2 are arranged on the base 12 and the upper tongue plate 13 and are located on the lower surface of the upper tongue plate 13, The plurality of lower-row flat terminals 22 can be combined with the base 12 and the upper tongue 13 in an insert-molding manner. Each lower row of flat terminals 22 includes a lower row of contact sections 225, a lower row of connecting sections 226 and a lower row of welding sections 227, the lower row of connecting sections 226 are arranged on the base 12 and the upper tongue plate 13, the lower row of contact sections 225 The lower row of welding sections 227 extends from one side of the lower row of connecting sections 226 to pass through the base 12 . A plurality of lower-row flat terminals 22 are located on the lower surface to transmit a set of first signals (i.e. USB 3.0 or USB 3.1 signals), and a plurality of lower-row soldering sections 227 pass through the base 12 and are connected to the adapter circuit board in the form of DIP pins 6 , that is, a plurality of lower row soldering sections 227 pass through the rear of the base 12 and connect to the upper row contact group 61 of the interposer circuit board 6 .

Please refer to Fig. 2, Fig. 7 and Fig. 8 again, the transfer circuit board 6 is located in the accommodating groove 41 and covers the rear of the base 12, here, the transfer circuit board 6 is a standing type and is vertically attached to the base 12 rear. In addition, the switch circuit board 6 includes an upper row of contact groups 61 connected to the first group of terminals 2, a lower row of contact groups 62 connected to the plurality of extended terminals 7, and a plurality of winding circuits, and the two ends of each winding circuit are connected to the upper row of contacts respectively. The group 61 and the lower row of contact groups 62 are in contact (not shown) to form independent circuits respectively. In addition, the switch circuit board 6 further includes a plurality of conductive holes 63, and here, the upper row of contact groups 61 and the lower row of contact groups 62 all form a plurality of perforation patterns, that is, the upper row of contact groups 61 and the lower row of contact groups 62 are all different. There are two rows of multiple perforations on the upper and lower sides. And the plurality of perforations in the upper row provide the plurality of upper row welding sections 217 of the first group of terminals 2, and the plurality of lower row welding sections 227 are connected in the form of DIP pins, while the plurality of lower row of through holes provide a plurality of extension terminals 7 for one-side plugging. The upper row of soldering segments 217 , the plurality of lower row of soldering segments 227 and the plurality of extension terminals 7 are all connected by DIP pins. However, in some embodiments, the upper row of contact groups 61 and the lower row of contact groups 62 may further be of the surface solder joint type, providing a plurality of upper row welding sections 217, a plurality of lower row welding sections 227 and The plurality of extension terminals 7 are connected in the form of SMT pins. In this embodiment, after the upper row of contact groups 61 and the lower row of contact groups 62 are formed with upper and lower rows of multiple perforations, each conductive hole 63 is coated and formed on the wall surface of each perforation, and, in order to avoid the arrangement of each conductive hole 63 If they are too close to contact each other, a distance will be maintained between the conductive holes 63 .

Please refer to FIG. 2 , FIG. 7 and FIG. 8 again, when the upper row of welding sections 217 and the lower row of welding sections 227 of the first group of terminals 2 are inserted into the upper row of contact groups 61 of the adapter circuit board 6 in the form of DIP pins, Between each upper row of welding sections 217 and between each lower row of welding sections 227, there must be a spacing distance corresponding to the spacing distance between each conductive hole 63, that is, the spacing distance between each upper row of welding sections 217 and each lower row of welding sections. The distance between the welding sections 227 is equal to the distance between the conductive holes 63 , so that the upper row of welding sections 217 and the lower row of welding sections 227 can be easily inserted into the conductive holes 63 without contacting each other. Here, each upper row of plate terminals 21 further includes an upper row of extensions 218, each lower row of flat terminals 22 further includes a lower row of extensions 228, and the upper row of extensions 218 extends from the rear side of the upper row of connecting sections 216 to the upper row of welding Segment 217 , the lower row extension segment 228 extends from the rear side of the lower row connecting segment 226 to the lower row of welding segment 227 . The position of the upper row of welding sections 217 is changed by the upper row of extension sections 218, so that each upper row of connecting sections 216 and the corresponding upper row of welding sections 217 are located on different horizontal axes, mainly to make the position of each upper row of welding sections 217 Adjust the position distance corresponding to each conductive hole 63 , so that each upper row of welding segments 217 can be inserted into the conductive hole 63 for connection. And the extension section 228 of the lower row also relatively changes the position of the welding section 227 of the lower row, so that each connecting section 226 of the lower row and each corresponding welding section 227 of the lower row are positioned on different horizontal axes, so that the welding sections 227 of the lower row are positioned at different positions. Adjust the position distance corresponding to each conductive hole 63 , so that each lower row of welding segments 227 can conform to the distance between each conductive hole 63 and correspondingly insert and connect. That is, the upper row of extension sections 218 and the lower row of extension sections 228 are inserted and connected correspondingly only by extending the overall width of each of the upper row of welding sections 217 and each of the lower row of welding sections 227 to meet the spacing between the conductive holes 63 .

However, in some embodiments, when the first group of terminals 2 is used to transmit USB 2.0 signals, the first group of terminals 2 omit some terminals (such as the first pair of differential signal terminals, the third pair of differential signal terminals), that is, the composition The five upper-row flat terminals 21 and the five lower-row flat terminals 22 are capable of transmitting USB 2.0 signals respectively. Specifically, as viewed from the front of the plurality of upper-row flat terminals 21, the plurality of upper-row flat-panel terminals 21 are the upper-row detection terminal (CC1) and a pair of USB2.0 signal transmission terminals in sequence from left to right. The upper row of signal terminals 211 is the plate differential signal terminal (D-+), the upper row of power supply terminals 212 (Power/VBUS), and the upper row of ground terminals 213 (Gnd) on the far right. Viewed from the front of the plurality of lower-row flat-panel terminals 22, the plurality of lower-row flat-panel terminals 22 are the lower-row detection terminal (CC2) and a pair of lower-row signal terminals for transmitting USB2.0 signals in sequence from right to left 221, that is, the plate differential signal terminal (D+-), the lower power terminal 222 (Power/VBUS) and the leftmost lower ground terminal 223 (Gnd). Here, each first group of terminals 2 does not need to set the upper row of extension sections 218 on the upper row of flat terminals 21 , and does not need to set the lower row of extension sections 228 on the lower row of flat terminals 22 . In addition, the number and spacing of the upper row of contact groups 61 on the interposer circuit board 6 can also be correspondingly reduced. Make the spacing between the upper row of welding segments 217 of the first group of terminals 2 conform to the spacing between the plurality of upper row of perforations formed by the upper row of contact groups 61, and make the lower row of welding segments 227 of the first group of terminals 2 The distance between them corresponds to the distance between the plurality of lower row of through holes formed by the upper row of contact groups 61 .

Please refer to FIG. 2 and FIG. 7 again. Each of the plurality of extension terminals 7 is an L-shaped terminal structure. One side of the plurality of extension terminals 7 is connected to the lower row of contact groups 62, that is, one side of each extension terminal 7 is plugged into the lower row of contact groups. 62 formed in the perforation. The other side of the extension terminals 7 extends to the bottom of the base 12 . The plurality of extension terminals 7 can be combined with the base 12 in an insert-molding manner, and only the two sides of the plurality of extension terminals 7 pass through the back and bottom of the base 12 .

Please refer to FIG. 2 , FIG. 3 and FIG. 6 , the second group of terminals 3 is disposed on the insulating body 11 , and the second group of terminals 3 includes a plurality of upper row flat terminals 31 and a plurality of lower row flat terminals 32 . The plurality of upper row flat terminals 31 of the second group of terminals 3 are arranged on the base 12 and the lower tongue plate 14 and are located on the upper surface of the lower tongue plate 14, and the plurality of upper row flat terminals 31 can be insert-molded. The way is combined with the base 12 and the lower tongue plate 14. Each upper row of flat terminals 31 includes an upper row of contact sections 315, an upper row of connecting sections 316 and an upper row of welding sections 317, the upper row of connecting sections 316 are arranged on the base 12 and the lower tongue plate 14, the upper row of contact sections The segment 315 extends from one side of the upper row of connecting segments 316 and is located on the upper surface of the lower tongue 14 , and the upper row of welding segments 317 extends from the other side of the upper row of connecting segments 316 to pass through the base 12 . A plurality of upper-row flat terminals 31 are located on the upper surface to transmit a set of first signals (i.e. USB 3.0 or USB 3.1 signals), and a plurality of upper-row soldering sections 317 pass through the base 12 and are connected to the adapter circuit board in the form of SMT pins 6.

Please refer to Fig. 2, Fig. 3 and Fig. 4, the plurality of lower-row plate terminals 32 of the second group of terminals 3 are arranged on the base 12 and the lower tongue plate 14 and are located on the lower surface of the lower tongue plate 14, and the plurality of lower-row plate terminals The terminal 32 can be combined with the base 12 and the lower tongue 14 in an insert-molding manner. Each lower row of flat terminals 32 includes a lower row of contact sections 325, a lower row of connecting sections 326 and a lower row of welding sections 327, the lower row of connecting sections 326 are arranged on the base 12 and the lower tongue plate 14, the lower row of contact sections 325 The lower welding section 327 extends from the other side of the lower connecting section 326 and passes through the base 12 . A plurality of lower-row flat terminals 32 are located on the lower surface to transmit a set of first signals (i.e. USB 3.0 or USB 3.1 signals), and a plurality of lower-row soldering sections 327 pass through the base 12 and are connected to the adapter circuit board in the form of DIP pins 6.

Please refer to FIG. 2, FIG. 3, FIG. 5 and FIG. 6. When the first group of terminals 2 and the second group of terminals 3 of the socket electrical connector 100 are used to transmit USB 3.0 or USB 3.1 signals, the socket electrical connector 100 further includes the upper row The grounding strip 51 and the lower row of grounding strips 52, the upper row of grounding strips 51 and the lower row of grounding strips 52 are all a metal plate, and the upper row of grounding strips 51 is arranged on the insulating body 11 and is located on the plurality of upper flat plates of the first group of terminals 2 Between the terminal 21 and the plurality of flat terminals 22 in the lower row. The lower row of ground plates 52 is disposed on the insulating body 11 and located between the plurality of upper row flat terminals 31 and the plurality of lower row flat terminals 32 of the second group of terminals 3 . Both the upper row of grounding sheets 51 and the lower row of grounding sheets 52 respectively include a main body, hooks protruding from both sides of the main body, and a plurality of pins extending from the rear side of the main body. Each body is a piece, and each body is located in the upper tongue plate 13 and the lower tongue plate 14 respectively. Each pin extends from the rear side of each body, and passes through the rear of the base 12 of the insulating body 11 to be soldered to the transfer circuit board 6 and the circuit board 8 (not shown). The buckles on both sides of the upper row of grounding sheets 51 and the lower row of grounding sheets 52 respectively protrude from both sides of the upper tongue plate 13 and the lower tongue plate 14. When the plug electrical connector is inserted into the socket electrical connector 100, the two sides of the plug electrical connector The side springs contact the buckles on both sides. When the plurality of upper-row flat-panel terminals 21 and the plurality of lower-row flat-panel terminals 22 of the first group of terminals 2, and the plurality of upper-row flat-panel terminals 31 and plural lower-row flat-panel terminals 32 of the second group of terminals 3 are transmitting signals, the upper The isolation between the ground strips 51 and the ground strips 52 in the lower row can improve the problem of crosstalk caused by signal interference between the plurality of upper row flat terminals 21/31 and the plurality of lower row flat terminals 22/32. At the same time, the upper row can also be used The row of ground plates 51 and the bottom row of ground plates 52 are respectively located on the upper tongue plate 13 and the lower tongue plate 14 to enhance the structural strength of the upper tongue plate 13 and the lower tongue plate 14 . In addition, when the first group of terminals 2 or the second group of terminals 3 of the socket electrical connector 100 is designed as the required terminals for transmitting USB 2.0 signals, the upper row of grounding sheets 51 or the lower row The ground strip 52 is omitted.

Please refer to FIG. 2, FIG. 3 and FIG. 4, the socket electrical connector 100 further includes a central grounding piece 44, the central grounding piece 44 is a ㄇ-shaped metal sheet body, the central grounding piece 44 covers the partition plate 15, and the central grounding piece 44 is a ㄇ-shaped metal sheet. The side ends of the grounding piece 44 are electrically connected to the shielding shell 4 , and the central grounding piece 44 can contact the electrical plug connector and conduct and ground through the shielding shell 4 .

Please refer to FIG. 1, FIG. 3 and FIG. 4, the socket electrical connector 100 further includes a circuit board 8, the circuit board 8 is combined with the bottom of the insulating body 11, and the circuit board 8 includes a plurality of terminals respectively connected to the second group of terminals 3 and a plurality of extension terminals 7. Contact 81 on one side.

Please refer to Figure 1, Figure 2, Figure 9 and Table 1 (as follows: ),

The plurality of upper-row flat-panel terminals 21 of the first group of terminals 2 are located on the base 12 and the upper tongue plate 13. Here, the plurality of upper-row flat-panel terminals 21 include a plurality of upper-row signal terminals 211, at least one upper-row power supply terminal 212 and at least one upper row. Row of grounding terminals 213. Here, the plurality of upper row flat terminals 31 of the second group of terminals 3 are also the same as the first group of terminals 2, and the plurality of upper row flat terminals 31 include a plurality of upper row signal terminals 311, at least one upper row power supply The terminal types of the terminals 312 and at least one upper row of grounding terminals 313 are not described here. Each terminal of the first group of terminals 2 (a plurality of upper row signal terminals 211 , at least one upper row power supply terminal 212 and at least one upper row ground terminal 213 ) is disposed on the base 12 and the upper tongue plate 13 on the upper surface. Please refer to FIG. 9 and Table 1 at the same time. From the front view of the plurality of upper-row flat-panel terminals 21 of the first group of terminals 2, the plurality of upper-row flat-panel terminals 21 are the upper-row ground terminals 213 (Gnd) in sequence from left to right. , the first pair of differential signal terminals 211 (TX1+-), the second pair of differential signal terminals 211 (D+-), the third pair of differential signal terminals 211 (RX2+-), and the three pairs of differential signal terminals 211 The upper row of power terminals 212 (Power/VBUS), the reserved terminal (RFU) and the rightmost upper row of ground terminals 213 (Gnd), however, the order of arrangement is just an example and not limited thereto. That is to say, the plurality of upper ground terminals 213 (Gnd) can be located between the three pairs of differential signal terminals 211 according to actual use. Here, in order to form twelve upper-row flat-panel terminals 21 to meet the transmission of USB3.0 or USB 3.1 signals, it is not limited thereto. In some implementations, the leftmost or rightmost upper-row grounding terminals 213 can be omitted. (Gnd) and omit the reserved terminal (RFU). In addition, the ground terminals 213 (Gnd) on the upper right side can also be replaced by the upper row of power terminals 212 (Power) for power transmission.

Please refer to Fig. 1, Fig. 2, Fig. 9 and Table 1 again, the plurality of lower row flat terminals 22 of the first group of terminals 2 are located on the base 12 and the upper tongue plate 13, here, the plurality of lower row flat terminals 22 include the plurality of lower row Signal terminals 221, at least the lower row of power terminals 222 and at least the lower row of grounding terminals 223, here, the plurality of lower row flat terminals 32 of the second group of terminals 3 are also the same as the first group of terminals 2, and the plurality of lower row flat terminals 32 include The terminal types of the plurality of lower-row signal terminals 321 , at least the lower-row power supply terminals 322 and at least the lower-row grounding terminals 323 will not be repeated here. And each terminal of the first group of terminals 2 (a plurality of lower row signal terminals 221, at least a lower row of power terminals 222 and at least a lower row of ground terminals 223) is arranged on the base 12 and the upper tongue plate 13 and is located on the lower surface of the upper tongue plate 13 . Please refer to FIG. 9 and Table 1 at the same time. From the front view of the plurality of lower-row flat-panel terminals 22 of the first group of terminals 2, the plurality of lower-row flat-panel terminals 22 are the lower-row ground terminals 223 (Gnd) from the right to the left. , the first pair of differential signal terminals 221 (TX2+-), the second pair of differential signal terminals 221 (D+-), the third pair of differential signal terminals 221 (RX1+-), and the three pairs of differential signal terminals 221 The lower row of power terminals 222 (Power/VBUS), the reserved terminal (RFU) and the lower row of ground terminals 223 (Gnd) on the leftmost side, however, the order of arrangement is just an example and not limited thereto. That is to say, the plurality of lower ground terminals 223 (Gnd) can be located between the three pairs of differential signal terminals 221 according to actual use. Here, in order to form twelve lower-row flat-panel terminals 22, it is possible to transmit USB3.0 or USB 3.1 signals, but not limited thereto. In some implementations, the leftmost or rightmost lower-row grounding terminals can be omitted. 223 (Gnd) and omit the reserved terminal (RFU). In addition, the ground terminal 223 (Gnd) on the leftmost bottom row may also be replaced by the power terminal 222 (Power) on the bottom row for power transmission.

In the above-mentioned embodiments, the plurality of upper-row flat terminals 21 or the plurality of lower-row flat terminals 22 of the first group of terminals 2 are only examples for transmitting USB3.0 or USB3.1 signals respectively. In some embodiments, when used to transmit USB2.0 signals, taking the plurality of upper row flat terminals 21 of the first group of terminals 2 as an example, the plurality of upper row flat terminals 21 can omit the first pair of differential signal terminals 211 (TX1+ -), the third pair of differential signal terminals 211 (RX2+-), only at least the second pair of differential signal terminals 211 (D+-) and the upper row of power terminals 212 (Power/VBUS) are reserved for the transmission of USB2.0 signals . Taking the plurality of lower-row flat-panel terminals 22 of the first group of terminals 2 as an example, the plurality of lower-row flat-panel terminals 22 can also omit the first pair of differential signal terminals 221 (TX2+-) and the third pair of differential signal terminals 221 (RX1+-) , only at least the second pair of differential signal terminals 221 (D+-) and the lower row of power terminals 222 (Power/VBUS) are reserved for the transmission of USB2.0 signals. The plurality of upper-row flat-panel terminals 31 or the plurality of lower-row flat-panel terminals 32 of the second group of terminals 3 are only examples for transmitting USB3.0 or USB 3.1 signals. In some embodiments, when used in transmitting USB2.0 When signaling, the number of terminals of the plurality of upper-row flat-panel terminals 31 and the plurality of lower-row flat-panel terminals 32 of the second group of terminals 3 can be, for example, the above-mentioned first group of terminals 2, that is, the plurality of upper-row flat-panel terminals 31 and the plurality of lower-row flat-panel terminals Part of the number of terminals 32 is omitted in design.

Please refer to Fig. 1, Fig. 2, Fig. 9 and Table 1 again. In this embodiment, it can be known from the arrangement of the plurality of upper row flat terminals 21 and the plurality of lower row flat terminals 22 of the first group of terminals 2 that the plurality of upper row flat terminals 21 and the plurality of lower-row flat-panel terminals 22 are respectively arranged on the upper surface and the lower surface of the upper tongue plate 13, and the center point of the upper plug-in interface 42 of the plurality of upper-row flat-panel terminals 21 and the plurality of lower-row flat-panel terminals 22 is the center of symmetry. Symmetry, the so-called point symmetry, means that after the plurality of upper row flat terminals 21 and the plurality of lower row flat terminals 22 are rotated 180 degrees based on the center of symmetry as the center of rotation, the rotated plurality of upper row flat terminals 21 and the plurality of lower row flat The terminals 22 are completely overlapped, that is, the plurality of upper-row flat-panel terminals 21 after rotation are located in the original arrangement position of the plurality of lower-row flat-panel terminals 22, and the plurality of lower-row flat-panel terminals 22 after rotation are originally located in the plurality of upper-row flat-panel terminals 21. Arrange the position. In other words, the plurality of upper-row flat terminals 21 and the plurality of lower-row flat terminals 22 are upside down, and the arrangement of the plurality of upper-row contact segments 215 is opposite to that of the plurality of lower-row contact segments 225 . Wherein, the electrical plug connector is positively plugged into the electrical socket connector 100 for transmitting a set of first signals, and can also be inserted into the plug electrical connector in the electrical receptacle connector 100 in the reverse direction for A group of second signals is transmitted, and the transmission standard of a group of first signals conforms to the transmission standard of a group of second signals. In addition, in some embodiments, when the plug electrical connector has a plurality of upper and lower rows of terminals, the socket electrical connector 100 may omit the plurality of upper row flat terminals 21 or the plurality of lower row flat terminals 22 (not shown). When the upper row of flat terminals 21 is omitted, the electrical plug connector is plugged into the socket electrical connector 100 forwardly or reversely, and one of the plurality of upper and lower rows of terminals of the plug electrical connector can be connected to the upper row of flat terminals 21 . When the lower row of flat terminals 22 is omitted, the plug electrical connector is forwardly or reversely plugged into the socket electrical connector 100, and one of the plurality of upper and lower row terminals of the plug electrical connector can be connected to the lower row of flat terminals 22. It is also not limited to the function of plugging the plug electrical connector inside the socket electrical connector 100 in a forward or reverse direction.

Please refer to Fig. 1, Fig. 2, Fig. 9 and Table 1 again. In this embodiment, it can be known from the arrangement of the plurality of upper row flat terminals 31 and the plurality of lower row flat terminals 32 of the second group of terminals 3 that the plurality of upper row flat terminals 31 and the plurality of lower-row flat-panel terminals 32 are respectively arranged on the upper surface and the lower surface of the lower tongue plate 14, and the center point of the plurality of upper-row flat-panel terminals 31 and the plurality of lower-row flat-panel terminals 32 is the symmetrical center of the lower socket 43, and they are symmetrical to each other. , its detailed function is the same as the terminal type of the first group of terminals 2 mentioned above, and will not be repeated here.

Please refer to Fig. 1, Fig. 2, Fig. 9 and Table 1 again. In this embodiment, the plurality of upper row flat terminals 21 and the plurality of lower row flat terminals 22 of the first group of terminals 2 are viewed from before, and the plurality of upper row contact sections The arrangement positions of 215 correspond to the arrangement positions of the plurality of lower-row contact segments 225 , but are not limited thereto. In some implementation aspects, the arrangement positions of the plurality of upper-row contact segments 215 can also be staggered from the arrangement positions of the plurality of lower-row contact segments 225 to reduce the problem of signal interference. In addition, from the front view of the plurality of upper-row flat terminals 31 and the plurality of lower-row flat terminals 32 of the second group of terminals 3 , the arrangement positions of the plurality of upper-row contact segments 315 correspond to the arrangement positions of the plurality of lower-row contact segments 325 . It does not limit the effect of plugging the plug electrical connector inside the receptacle electrical connector 100 in a forward or reverse direction.

Please refer to FIG. 1 , FIG. 2 , FIG. 3 and FIG. 4 again. In this embodiment, the assembly method of the socket electrical connector 100 is that the first group of terminals 2 and the second group of terminals 3 are installed on the insulating body 11 in an assembled manner. A plurality of terminal slots can be correspondingly formed on the insulating body 11 for insertion of the first group of terminals 2 and the second group of terminals 3 for assembly and positioning. Alternatively, the first group of terminals 2 and the second group of terminals 3 can be combined with the insulating body 11 in an insert-molding manner. After that, the plurality of extension terminals 7 are assembled on the insulating body 11. Similarly, the insulating body 11 can form a plurality of terminal slots for the plurality of extension terminals 7 to be inserted into for assembly and positioning, or the plurality of extension terminals 7 can be inserted into the molding (insert-molding) method. The insulating body 11 is combined. After the above process is completed, the adapter circuit board 6 can be assembled to combine the first set of terminals 2 and the plurality of extension terminals 7 , and then the circuit board can be assembled on the bottom of the insulating body 11 .

The utility model uses the transfer function of the transfer circuit board. After the first group of terminals is connected to the transfer circuit board, the first group of terminals can use the transfer circuit board and the multiple extension terminals below the transfer circuit board to connect with the circuit. Board connection, so that the first group of terminals can be electrically connected to the circuit board, so as to reduce manufacturing difficulty and save materials, and make the socket electrical connector of the USB Type-C connection interface form an upper and lower double plug interface for multiple plugs to be electrically connected plug-in use.

In addition, the plurality of upper-row flat-plate terminals and the plurality of lower-row flat-plate terminals of the socket electrical connector are upside down, and the arrangement of the plurality of upper-row contact segments is opposite to the arrangement of the plurality of lower-row contact segments, providing plug electrical connectors. When plugged into the socket electrical connector, the terminals of the plug electrical connector can be in contact with the plurality of upper contact segments, and when the plug electrical connector is reversely plugged into the socket electrical connector, the terminals of the plug electrical connector It can also be in contact with a plurality of lower row contact sections, and the socket electrical connector has the function of not restricting the forward or reverse insertion of the plug electrical connector.

Claims (14)

1. A socket electrical connector, comprising: A shielding shell, including an accommodating slot; An insulating body, the insulating body is arranged on the shielding shell and located in the accommodating groove, the insulating body includes a base, an upper tongue plate, a lower tongue plate and a partition plate, the upper tongue plate, the lower tongue plate And the partition plate extends from one side of the base and forms a vertical arrangement, the partition plate is interposed between the upper tongue plate and the lower tongue plate, and an upper insert is formed between the partition plate and the shielding shell top plate. Interface, the partition plate and the bottom plate of the shielding shell form a plug-in interface; A first group of terminals is arranged on the insulating body, the first group of terminals includes: A plurality of upper-row flat-panel terminals, the upper-row flat-panel terminals include a plurality of upper-row signal terminals, at least one upper-row power supply terminal, and at least one upper-row ground terminal, and each of the upper-row flat-panel terminals is arranged on the base and the upper tongue plate and is located on the upper surface of the tongue plate; and A plurality of lower row flat terminals, these lower row flat terminals include a plurality of lower row signal terminals, at least a lower row of power terminals and at least a lower row of ground terminals, and each of the lower row flat terminals is arranged on the base and the upper tongue plate and is located the lower surface of the tongue plate; A second group of terminals is arranged on the insulating body, and the second group of terminals includes: A plurality of upper-row flat-panel terminals, the upper-row flat-panel terminals include a plurality of upper-row signal terminals, at least one upper-row power supply terminal, and at least one upper-row ground terminal, and each of the upper-row flat-panel terminals is arranged on the base and the lower tongue plate and is located on the upper surface of the lower tongue plate; and A plurality of lower row flat terminals, these lower row flat terminals include a plurality of lower row signal terminals, at least a lower row of power terminals and at least a lower row of ground terminals, and each of the lower row flat terminals is arranged on the base and the lower tongue plate and is located at the lower surface of the lower tongue plate; An adapter circuit board, located in the receiving slot and covering the rear of the base, the adapter circuit board includes an upper row of contacts connected to the first group of terminals and a lower row of contacts; and A plurality of extension terminals, one side of the extension terminals is connected to the lower row of contact groups, and the other side of the extension terminals is extended to the bottom of the base. 2. The socket electrical connector according to claim 1, wherein each of the upper row flat terminals of the first group of terminals includes an upper row of contact sections, an upper row of connecting sections and an upper row of welding sections, the The upper row of connecting sections is arranged on the base and the upper tongue plate, the upper row of contact sections extends from one side of the upper row of connecting sections and is located on the upper surface of the upper tongue plate, and the upper row of welding sections extends from the upper row of connecting sections The other side extends through the back of the base and connects with the upper row of contact groups. 3. The socket electrical connector according to claim 2, wherein each of the upper row flat terminals of the first group of terminals includes an upper row extension section, and the upper row extension section extends from the rear side of the upper row connection section Extend to the upper row of welded segments. 4. The socket electrical connector according to claim 1, wherein each of the lower row flat terminals of the first group of terminals includes a lower row of contact sections, a lower row of connecting sections and a lower row of welding sections, the lower row of connecting sections segments are arranged on the base and the upper tongue plate, the lower row of contact segments extend from one side of the lower row of connecting segments and are located on the lower surface of the upper tongue plate, and the lower row of welding segments extend from the other side of the lower row of connecting segments extending and passing through the rear of the base and connecting the upper row of contact groups. 5. The receptacle electrical connector according to claim 4, wherein each of the lower row flat terminals of the first group of terminals includes a lower row of extension sections, and the lower row of extension sections extends from the rear side of the lower row of connecting sections to the lower row of welded sections. 6. The receptacle electrical connector according to claim 1, further comprising an upper row of grounding plates, which are arranged on the insulating body and are located on the upper row of flat terminals and the lower rows of the first group of terminals. between flat terminals. 7. The socket electrical connector according to claim 1, wherein each of the upper row of flat terminals of the second group of terminals includes an upper row of contact sections, an upper row of connecting sections and an upper row of welding sections, the The upper row of connecting sections is arranged on the base and the lower tongue plate, the upper row of contact sections extends from one side of the upper row of connecting sections and is located on the upper surface of the lower tongue plate, and the upper row of welding sections extends from the upper row of connecting sections The other side extends through the bottom of the base. 8. The socket electrical connector according to claim 1, wherein each of the lower row flat terminals of the second group of terminals includes a lower row of contact sections, a lower row of connecting sections and a lower row of welding sections, the lower row of connecting sections Sections are arranged on the base and the lower tongue plate, the lower row of contact sections extend from one side of the lower row of connecting sections and are located on the lower surface of the lower tongue plate, and the lower row of welding sections extend from the other side of the lower row of connecting sections extending through the bottom of the base. 9. The receptacle electrical connector according to claim 1, further comprising a lower row of grounding plates, the upper row of flat terminals and the lower row of flat plates arranged on the insulating body and located in the second group of terminals between terminals. 10. The receptacle electrical connector as claimed in claim 1, further comprising a circuit board, the circuit board is combined on the bottom of the insulating body, and the circuit board includes a plurality of terminals respectively connected to the second group of terminals and the extensions. Contact on the other side of the terminal. 11. The socket electrical connector according to any one of claims 1 to 10, characterized in that: the upper row of signal terminals of the first group of terminals are located on the upper surface of the upper tongue plate to transmit a group of first signals , the lower row signal terminals of the first group of terminals are located on the lower surface of the upper tongue plate and transmit a group of second signals, the transmission specification of the group of first signals conforms to the transmission specification of the group of second signals, The upper row of flat terminals and the lower row of flat terminals are symmetrical to each other with the central point of the upper plug-in interface as a center of symmetry. 12. The receptacle electrical connector according to claim 11, wherein the arrangement positions of the upper row flat terminals of the first group of terminals correspond to the arrangement positions of the lower row flat terminals of the first group of terminals . 13. The socket electrical connector according to any one of claims 1 to 10, characterized in that: the upper row of signal terminals of the second group of terminals are located on the upper surface of the lower tongue plate to transmit a group of first signals , the lower row signal terminals of the second group of terminals are located on the lower surface of the lower tongue plate and transmit a group of second signals, the transmission specification of the group of first signals is in line with the transmission specification of the group of second signals, and these The upper row of flat terminals and the lower row of flat terminals are symmetrical to each other with the central point of the lower plug-in interface as a center of symmetry. 14. The receptacle electrical connector according to claim 13, wherein the arrangement positions of the upper row flat terminals of the second group of terminals correspond to the arrangement positions of the lower row flat terminals of the second group of terminals .