CN206541981U - Type C electric connectors - Google Patents

Abstract

The utility model relates to a Type C electrical connector, which includes a first body, a docking terminal and a connecting seat, the first body includes a first insulating block and a second insulating block, and the docking terminal includes a first docking terminal group and a second butt terminal group, the first butt terminal group and the second butt terminal group respectively have a butt joint and an overlapping portion, and the second insulating block is injection molded on the first butt terminal group to define a first terminal module , the second insulating block is injection-molded on the second butt terminal group to define a second terminal module, the connecting seat includes a second body and a connecting terminal, the connecting terminal has a contact portion and a welding foot, the second The main body is provided with a receiving hole, and the overlapping part and the contact part are located in the receiving hole and electrically contacted together. The first body also includes a terminal mold defined on the first terminal module and the second terminal module by injection molding The outer insulator of the group, the terminal module and the receiving hole are assembled together, the connection seat has a simple structure, the design change efficiency is high, and the cost is low.

Description

Type C electrical connector

technical field

The utility model relates to a Type C electrical connector, in particular to a Type C electrical connector with a docking seat and a connecting seat.

Background technique

In the electronics industry, electrical connectors are generally used to transmit electricity and signals. The most conventional electrical connectors include an insulating body, a butt terminal accommodated in the insulating body, and a metal shell covering the insulating body. The insulating body or The metal shell is provided with a socket hole, and the butt terminal is provided with a contact portion located in the socket hole and a welding foot extending out of the insulating body. The contact portion is used to contact the conductive terminal of the butt connector inserted in the socket hole, and weld The feet are used for welding on the circuit board, and the electrical or signal transmission between the butt connector and the circuit board is performed through the butt terminal.

Of course, there are still a small number of electrical connectors with relatively complicated structures. In order to reduce the difficulty of design and manufacture, the electrical connector is designed as a two-piece structure, one piece is a docking seat, and the docking seat is provided with a docking terminal. The butt joint part and the lap joint part, the butt joint part is used for docking with the butt joint connector; the other part is a connection seat, the connection seat is provided with a connection terminal, the connection terminal has a contact part and a welding part, and the contact part and the lap joint part are electrically connected. Sexual contact, the welding part is welded on the circuit board, and the docking seat establishes electrical communication with the circuit board through the connecting terminal, so as to realize the transmission of electricity or signals between the docking connector and the circuit board.

Utility model content

The purpose of the utility model is to provide a Type C electrical connector with high design change efficiency and low cost.

In order to achieve the aforementioned purpose, the utility model adopts the following technical solution: a Type C electrical connector, which includes a first body, a butt terminal, a metal middle spacer and a connecting seat, and the first body includes a first insulating block and a second Two insulating blocks, the butt joint terminal includes a first butt joint terminal group and a second butt joint terminal group, the first butt joint terminal group and the second butt joint terminal group respectively have a butt joint portion and an overlapping portion, and the intermediate spacer is located at the second Between a butt terminal group and the second terminal group, the second insulating block is injection-molded on the first butt-terminal group to define the first terminal module, and the second insulating block is injection-molded on the second butt-terminal group to define The second terminal module, the connecting seat includes a second body and a connecting terminal accommodated in the second body, the connecting terminal has a contact portion and a welding foot extending out of the second body, and the second body is provided with a receiving hole , the overlapping portion and the contact portion are located in the receiving hole and electrically contacted together, the first body further includes an outer insulator that is injection-molded on the first terminal module and the second terminal module to define the terminal module, The terminal module is assembled with the receiving hole.

Further, interengaging concavo-convex structures are provided between the outer surface of the terminal module and the inner wall surface of the accommodating hole.

Further, the first body is provided with a main body and a tongue plate protruding forward from the main body, the contact portion of the first butt joint terminal group is arranged on the upper surface of the tongue plate, and the contact portion of the second butt joint terminal group Arranged on the lower surface of the tongue plate, the receiving hole has an assembly hole located at the front end of the second body, the main body is fixed in the assembly hole, and the contact part is located behind the assembly hole.

Further, the second body includes a top, a bottom, and two sides connected to form the receiving hole, and the connecting terminals include a first connecting terminal group and a second connector terminal group, and the first connecting terminal group The contact parts of the second connector terminal group are arranged on the inner surface of the top, and the contact parts of the second connector terminal group are arranged on the inner surface of the bottom.

Further, the first insulating block and the second insulating block are configured as a split structure or an integrally formed structure, and the left and right ends of the middle partition are provided with abutment arms that extend backward out of the first body and enter the receiving hole, so The connecting seat is also provided with two grounding pieces electrically contacting with the abutment arm, and the grounding pieces are arranged on the inner side of the side portion.

Further, the Type C electrical connector further includes a metal shell for accommodating the first body and the second body, and the grounding plate abuts against the metal shell so that the intermediate plate and the metal shell form a grounding loop.

Further, the overlapping portion of the first butt joint terminal group is an arc-shaped structure protruding upwards, arranged in a row along the left and right directions, and the overlapping portion of the second butt joint terminal group is an arc-shaped structure that protrudes downwards The structures, located below the overlapping portion of the first butt terminal group, are also arranged in a row along the left and right directions.

Further, the second body includes a connecting portion and a stepped portion protruding backward from the upper end of the connecting portion, the receiving hole, the top and the bottom are provided on the connecting portion, the stepped portion is higher than the bottom, and the welding leg Arranged on the lower surface of the step part.

Further, first grounding terminals are respectively arranged on the left and right sides of the first butt joint terminal group, and second ground terminals are also respectively arranged on the left and right sides of the second butt joint terminal group, and the outer sides of the first ground terminals The edge is provided with a downwardly bent and extended first positioning piece, the front and rear sides of the bottom of the first positioning piece are respectively provided with convex pieces, and the outer edge of the second ground terminal is provided with an upwardly bent and extended second positioning piece , the front and rear sides of the top of the second positioning piece are also provided with lugs, the first positioning piece and the second positioning piece are spaced apart from each other, and both are located behind the docking part, and the two sides of the middle spacer are provided with The positioning gap for the first positioning piece and the second positioning piece to pass through, the protruding piece of the first positioning piece is covered under the middle partition, and the convex piece of the second positioning piece is covered above the middle partition.

Further, the Type C electrical connector also includes a metal shell for accommodating the first body and the second body, the metal shell includes a first shell and a second shell that are separately arranged, and the first shell It includes a first top wall, a bottom wall opposite to the first top wall, and two first side walls connected between the first top wall and the bottom wall, the first top wall, the bottom wall and the two first side walls are in common A docking hole is formed, and the tongue plate is located in the docking hole. The second housing includes a second top wall that covers the first top wall downward, two second side walls that cover the first side wall respectively, and a The bottom end of the second side wall is bent and extended to the outside of the horizontal fixing piece, the fixing piece is higher than the bottom wall, and is provided with a fixing hole penetrating up and down.

The terminal module of the Type C electrical connector of the utility model can be set as a standard part, which is suitable for different series of Type C electrical connectors. The connection seat can adjust the product installation height (offset) according to different needs. The structure of the connection seat is simple, and the design change efficiency is high. High and low cost.

Description of drawings

FIG. 1 is a three-dimensional schematic view of the Type C electrical connector of the present invention.

Fig. 2 is a cross-sectional view along b-b direction of Fig. 1 .

Fig. 3 is a cross-sectional view along c-c direction of Fig. 1 .

FIG. 4 is a three-dimensional exploded view of the Type C electrical connector of the present invention.

FIG. 5 is a three-dimensional schematic diagram of the Type C electrical connector terminal module separated from the connecting seat of the present invention.

FIG. 6 is a three-dimensional schematic view after the terminal module of the Type C electrical connector of the present invention is assembled with the connecting seat.

FIG. 7 is a three-dimensional schematic diagram of a connection seat of the Type C electrical connector of the present invention.

FIG. 8 is a cross-sectional view of the connection seat of the Type C electrical connector of the present invention.

FIG. 9 is a three-dimensional exploded view of the connection seat of the Type C electrical connector of the present invention.

detailed description

Please refer to Figures 1 to 9, the Type C electrical connector 100 of the present invention is a sinking type USB Type-C female connector, which is used to be installed in the opening of the circuit board (not shown) for The docking connector (not shown) includes a first body 10 , a docking terminal 20 , a metal middle spacer 30 , a metal shell 40 , a second body 50 , a connecting terminal 60 and two grounding plates 70 .

The first body 10 includes a first insulating block 11 , a second insulating block 12 and an outer insulating body 13 . Meanwhile, the insulating housing 10 includes a main body 14 and a tongue 15 protruding forward from the main body 14 , and two sides of the middle partition 30 protrude from the tongue 15 for locking with the mating connector. The first insulating block 11 and the second insulating block 12 are provided with positioning holes 114 and positioning posts 115 that cooperate with each other. In other embodiments, the first insulating block 11 and the second insulating block 12 are integrally formed.

The butt terminal 20 includes a first butt terminal group 21 and a second butt terminal group 22, the first insulating block 11 is injection molded on the first butt terminal group 21 to define a first terminal module 110, and the second butt terminal group 22 is injection molded on the A second terminal module 120 is defined on the second docking terminal group 22 . After the first terminal module 11 , the second terminal module 121 and the intermediate spacer 30 are assembled together, they are injection molded together with the outer insulator 13 to define the terminal module 25 .

The first butt joint terminal group 21 and the second butt joint terminal group 22 respectively have butt joint parts 211, 221 and elastic overlapping parts 212, 222 extending backward from the first body 10, and the butt joint parts 211 of the first butt joint terminal group 21 are arranged On the upper surface of the tongue plate 15 , the mating portion 211 of the second mating terminal group 221 is arranged on the lower surface of the tongue plate 15 for contacting with the mating connector.

The overlapping parts 212 of the first butt joint terminal group 21 are arc-shaped structures protruding upwards, arranged in a row along the left and right directions, and the overlapping parts 212 and 222 of the second butt joint terminal group 22 are arc-shaped structures protruding downwards , are located below the overlapping portion 212 of the first butt joint terminal group 21 , and are also arranged in a row along the left and right direction.

A first ground terminal 215 is respectively arranged on the left and right sides of the first docking terminal group 21 , and a second ground terminal 225 is also arranged on the left and right sides of the second docking terminal group 22 . The outer edge of the first grounding terminal 215 is provided with a first positioning piece 216 that is bent and extended downward. Viewed from the side, the first positioning piece 216 is an inverted T shape. Aligned tabs 217 . The outer edge of the second grounding terminal 225 is provided with a second positioning piece 226 bent upwards. Viewed from the side, the second positioning piece 226 is T-shaped, and the front and rear sides of the top of the second positioning piece 226 are provided with convex pieces 227 . The first positioning piece 216 and the second positioning piece 226 are spaced apart from each other, and both are located behind the abutting portions 211 , 221 .

The intermediate spacer 30 is horizontally arranged between the first butt joint terminal group 21 and the second butt joint terminal group 22 to reduce the signal crosstalk between the first butt joint terminal group 21 and the second butt joint terminal group 22 . The middle spacer 30 is clamped between the first insulating block 11 and the second insulating block 12 at the same time, and the inner side of the middle spacer 30 is provided with left and right spaced through holes 31 for the first insulating block 11 and the second insulating block 12. The corresponding positioning column 115 passes through to realize the positioning of the middle spacer 30 , and the left and right ends of the middle spacer 30 are provided with abutment arms 32 protruding backward from the first insulating block 11 and the second insulating block 12 . The left and right edges of the middle spacer 30 are respectively provided with two positioning gaps 36 spaced apart from each other. The first positioning piece 216 and the second positioning piece 226 are pierced through the positioning gap 36 to limit the front and rear movement of the middle spacer 30. In addition, the second positioning The protruding piece 217 of a positioning piece 216 is blocked below the middle septum 30 to limit the downward movement of the middle septum 30, and the protruding piece 227 of the second positioning piece 226 is blocked above the middle septum 30 to limit the movement of the middle septum 30. 30 moves up.

The metal shell 40 includes a first shell 41 and a second shell 42 covering the first shell 41 downwards. The first shell 41 includes a first top wall 412 and a bottom wall opposite to the first top wall 411. 412 and two first side walls 413 connected between the first top wall 411 and the bottom wall 412, the first top wall 411, the bottom wall 412 and the two first side walls 413 together form a docking hole 43 for docking The connector is mated. The second housing 42 includes a second top wall 421 that covers the first top wall 411 and is laser-welded with the first top wall 411, two second side walls 423 that cover the first side wall 412 respectively, and each second side wall The bottom end of 423 is bent and extended to the outside of the horizontal fixing piece 424. The fixing piece 424 is higher than the bottom wall 412. The fixing piece 424 is provided with a fixing hole 425 that penetrates up and down. Screws (not shown) can pass through the fixing hole 425. The fixing piece 424 is fixed on the upper surface of the circuit board, and the tongue plate 15 of the first body 10 is located in the docking hole 43 .

The second body 50 includes a connecting portion 51 and a stepped portion 52 protruding backward from the upper end of the connecting portion 51. The connecting portion 51 includes a top 511, a bottom 512, opposite side portions 513 connecting the top 511 and the bottom 512, and the top 511, The receiving hole 515 between the bottom 512 and the two side parts 513 has an assembly hole 516 at the front end of the receiving hole 515 . The stepped portion 52 is higher than the bottom portion 512 .

The connection terminal 60 and the grounding piece 70 are assembled or insert-molded on the second body 50 to define the connection seat 65 , the number of the connection terminal 60 is the same as that of the docking terminal 20 , and they are in contact with each other. The connection terminal 60 includes a first connection terminal group 61 and a second connector terminal group 62. The first connection terminal group 61 and the second connector terminal group 62 respectively have rigid horizontal contact portions 611, 621 at the front end and horizontal contact portions at the rear end. Solder pins 612,622.

The contact portion 611 of the first connecting terminal group 61 is arranged on the inner surface of the top 511 and is exposed to the receiving hole 515 , and the contact portion 621 of the second connector terminal group 62 is arranged on the inner surface of the bottom 512 and is exposed to the receiving hole 515 , each contact portion 611 , 612 is located behind the assembly hole 516 , and the ground sheet 70 is a vertical sheet located on the inner surface of the two sides 513 , exposed to the receiving hole 515 , and located behind the assembly hole 516 .

The welding pins 612, 622 of the first connecting terminal group 61 and the second connector terminal group 62 protrude from the lower surface of the step portion 52 and are located on the same horizontal plane for welding on the upper surface of the circuit board. The welding of the first connecting terminal group 61 The feet 612 are arranged in one row along the left and right direction, and the welding feet 622 of the second connector terminal group 62 are located behind the welding feet 612 of the first connection terminal group 61 and arranged in another row. The welding feet 622 of the second connector terminal group 62 also protrude backward from the rear end surface of the second body 50 .

Each ground piece 70 has a contact portion 71 at the upper end and a front pin 72 and a rear pin 73 protruding downward from the contact portion 71. Out of the bottom 513 of the connecting portion 51 abutting against the bottom wall 412 of the first housing 41 , the rear pin 73 protrudes downward from the step portion 52 for soldering on the circuit board.

The Type C electrical connector 100 terminal module 25 of the utility model is assembled with the connecting seat 65, the first body 10 leans backward against the front end of the second body 50 to ensure that the assembly is in place, and the main body 14 of the insulating body 10 is inserted into the assembly The hole 516 is fixed inside, and the outer surface of the main body 14 and the inner wall of the assembly hole 516 are provided with concave-convex structures that engage with each other, which increases the bonding strength of the two. The overlapping parts 212 and 222 of the butt joint terminal 20 and the abutting arm 32 of the middle spacer 30 are inserted backward into the receiving hole 515 of the second body 50 , and the overlapping parts 212 of the first butt joint terminal group 21 and the first connecting terminal group 61 The contact parts 611 of the second connector terminal group 62 elastically contact together one by one to realize electrical conduction, and the overlapping parts 222 of the second butt terminal group 22 and the contact parts 621 of the second connector terminal group 62 elastically contact together one by one to realize Electrical conduction, the abutting arm 32 and the contact portion 71 of the grounding plate 70 elastically contact together one by one to establish a grounding path. When the Type C electrical connector 100 is docked with the docking connector, the signal on the docking connector is transmitted to the circuit board through the docking terminal 20 and the connecting terminal 60 successively, and the signal on the circuit board is passed through the connecting terminal 60 and the docking terminal 20 successively. , passed to the mating connector.

After the first terminal module 110 and the second terminal module 120 of the terminal module 25 of the Type C electrical connector 100 of the utility model are assembled with the intermediate spacer 30, they are injection molded with the outer insulator 13 to form the terminal module 25. The terminal module 25 can be set as a standard component, which is suitable for different series of Type C electrical connectors 100. The installation height (offset) of the connection seat 65 can be adjusted according to different needs. The structure of the connection seat 65 is simple, the design change efficiency is high, and the cost is low.

Although preferred embodiments of the present invention have been disclosed for illustrative purposes, those skilled in the art will appreciate that, without departing from the scope and spirit of the present invention as disclosed by the appended claims, Various improvements, additions, and substitutions are possible.

Claims (10)

1. A Type C electrical connector, which includes a first body, a butt terminal, a metal middle spacer and a connection seat, the first body includes a first insulating block and a second insulating block, and the butt terminal includes a first The butt terminal group and the second butt terminal group, the first butt terminal group and the second butt terminal group respectively have a butt joint portion and an overlapping portion, and the intermediate spacer is located between the first butt terminal group and the second terminal group , the second insulating block is injection molded on the first butt terminal group to define a first terminal module, the second insulating block is injection molded on the second butt terminal group to define a second terminal module, and the connecting seat includes The second body and the connection terminal accommodated in the second body, the connection terminal has a contact portion and a welding leg extending out of the second body, the feature is that: the second body is provided with a receiving hole, and the overlapping portion and The contact part is located in the receiving hole and is electrically connected together. The first body also includes an outer insulator that is injection-molded on the first terminal module and the second terminal module to define the terminal module. The holes are grouped together. 2 . The Type C electrical connector according to claim 1 , wherein a concave-convex structure engaging with each other is provided between the outer surface of the terminal module and the inner wall surface of the receiving hole. 3 . 3. The Type C electrical connector according to claim 1, wherein the first body is provided with a main body and a tongue protruding forward from the main body, and the contact parts of the first butt terminal group are arranged On the upper surface of the tongue plate, the contact portion of the second butt terminal group is arranged on the lower surface of the tongue plate, the receiving hole has an assembly hole located at the front end of the second body, the main body is fixed in the assembly hole, the contact The part is located behind the assembly hole. 4. The Type C electrical connector according to claim 1, wherein the second body includes a top, a bottom, and two sides connected to form the receiving hole, and the connection terminals include first connection terminals A group and a second connector terminal group, the contact parts of the first connection terminal group are arranged on the inner surface of the top, and the contact parts of the second connector terminal group are arranged on the inner surface of the bottom. 5. The Type C electrical connector according to claim 4, characterized in that: the first insulating block and the second insulating block are arranged as a split structure or an integrated structure, and the left and right ends of the middle partition are provided with The abutting arm of the first body that enters the accommodating hole is extended backward, and the connecting base is further provided with two grounding pieces that are in electrical contact with the abutting arm, and the grounding pieces are arranged on the inner side of the side portion. 6. The Type C electrical connector according to claim 5, characterized in that: the Type C electrical connector further comprises a metal shell for accommodating the first body and the second body, and the grounding plate is in contact with the metal shell Connect, so that the spacer and the metal shell form a ground loop. 7. The Type C electrical connector according to claim 1, characterized in that: the overlapping portion of the first butt terminal group is an arc-shaped structure protruding upwards, arranged in a row along the left and right directions, and the first The overlapped portion of the two butt terminal groups is an arc-shaped structure protruding downward, located below the overlapped portion of the first butt terminal group, and also arranged in a row along the left and right directions. 8. The Type C electrical connector according to claim 4, wherein the second body includes a connecting portion and a step protruding backward from the upper end of the connecting portion, and the accommodating hole, top and bottom are arranged on On the connection part, the step part is higher than the bottom, and the welding feet are arranged on the lower surface of the step part. 9. The Type C electrical connector according to claim 1, characterized in that: the left and right sides of the first butt terminal group are respectively arranged with first grounding terminals, and the left and right sides of the second butt terminal group are also respectively arranged The second grounding terminal is arranged, and the outer edge of the first grounding terminal is provided with a first positioning piece that is bent and extended downwards, and the front and rear sides of the bottom of the first positioning piece are respectively provided with convex pieces. The outer edge of the two grounding terminals is provided with a second positioning piece that is bent upwards and extends, the front and rear sides of the top of the second positioning piece are also provided with convex pieces, the first positioning piece is spaced from the second positioning piece, and are all located behind the docking part, and the two sides of the middle partition are provided with positioning gaps for the first positioning piece and the second positioning piece to pass through, and the protrusions of the first positioning piece are blocked under the middle partition, and The protruding piece of the second positioning piece is covered above the intermediate piece. 10. The Type C electrical connector according to claim 3, characterized in that: the Type C electrical connector also includes a metal shell for accommodating the first body and the second body, and the metal shell includes separately arranged a first shell and a second shell, the first shell includes a first top wall, a bottom wall opposite to the first top wall, and two first side walls connected between the first top wall and the bottom wall, The first top wall, the bottom wall and the two first side walls together form a docking hole, the tongue plate is located in the docking hole, and the second housing includes a second top wall that covers the first top wall downward, Respectively cover the two second side walls of the first side wall and the horizontal fixing piece extending outward from the bottom end of each second side wall, the fixing piece is higher than the bottom wall, and is provided with a fixing hole penetrating up and down .