CN114122778A

CN114122778A - Electric connector combination and plug connector and socket connector thereof

Info

Publication number: CN114122778A
Application number: CN202110979719.4A
Authority: CN
Inventors: 特伦斯·F·李托; 肖能; 訾浩哲
Original assignee: Foxconn Kunshan Computer Connector Co Ltd; Foxconn Interconnect Technology Ltd
Current assignee: Foxconn Kunshan Computer Connector Co Ltd; Foxconn Interconnect Technology Ltd
Priority date: 2020-09-01
Filing date: 2021-08-25
Publication date: 2022-03-01
Also published as: TW202213878A

Abstract

The invention relates to an electric connector combination, which comprises a plug connector and a socket connector which are mutually butted. The plug connector comprises a plug body, a terminal module and a cable, the plug connector is provided with an extending direction, the terminal module comprises a butt joint surface which is inclined with the extending direction, an insulator and a plurality of plug terminals embedded in the insulator, and the cable is connected with the plug terminals. The socket connector comprises a socket body and a conducting strip, wherein the socket body is provided with an obliquely extending accommodating cavity, the conducting strip is arranged on the circuit board, and the socket body is arranged on the circuit board; the plug connector is inserted into the accommodating cavity, and the plug terminal is mechanically and electrically connected with the conducting strip. The inclined plug-in of the invention, the conducting strip of the socket connector is arranged on the circuit board, thus simplifying the transmission path from the cable to the circuit board.

Description

Electric connector combination and plug connector and socket connector thereof

[ technical field ] A method for producing a semiconductor device

The invention relates to an electric connector combination, which comprises a plug connector and a socket connector which are butted.

[ background of the invention ]

In a conventional connection system for connecting two circuit boards, two plug connectors of a cable are respectively plugged into socket connectors mounted on the circuit boards, and then transmitted to an active component through a circuit of the circuit board, or switched through an electrical connector of the active component. Regardless of any connection, a receptacle connector on the circuit board is inevitable.

Accordingly, the present company desires to design a more efficient, part-saving electrical connection system.

[ summary of the invention ]

The present invention is directed to an electrical connector assembly that simplifies the electrical connection of a cable to a circuit board.

In order to solve the technical problems, the invention adopts the following technical scheme: an electrical connector assembly includes a plug connector and a receptacle connector mated with each other; the plug connector comprises a plug body, a terminal module and a cable, the plug connector is provided with an extending direction, the terminal module comprises a butt joint surface which is inclined to the extending direction, an insulator and a plurality of plug terminals embedded in the insulator, and the cable is connected to the plug terminals; the socket connector comprises a socket body and a conducting strip, wherein the socket body is provided with an obliquely extending accommodating cavity, the conducting strip is arranged on a circuit board, and the socket body is arranged on the circuit board; the plug connector is inserted into the accommodating cavity, and the plug terminal is mechanically and electrically connected with the conducting strip.

The invention adopts another technical proposal as follows: a plug connector is defined with an extending direction and comprises a plug body, a plug terminal and a cable, wherein the plug body is provided with a butt joint surface inclined to the extending direction, and the plug terminal comprises a fixing part fixed on the plug body, a contact part exposed on the butt joint surface and a welding pin; the cable extends backwards from the plug body and is electrically connected with the welding pin of the plug terminal; the contact portion of the plug terminal extends obliquely from the fixing portion in a direction deviating from the extending direction and has a lowest point constituting a contact point mechanically and electrically connected with a socket connector.

The invention adopts another technical proposal as follows: a socket connector comprises a socket body and a conducting strip; the socket body comprises a bottom plate and an accommodating cavity which extends upwards from the bottom plate in an inclined mode, and the bottom plate is provided with a through hole; the conducting strip is arranged on a circuit board, the socket body is arranged on the circuit board, and the conducting strip on the circuit board is exposed in the through hole.

Compared with the prior art, the inclined plug of the invention, the conducting strip of the socket connector is arranged on the circuit board, and the transmission path from the cable to the circuit board is simplified.

[ description of the drawings ]

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

Fig. 2 is a perspective view from another angle of fig. 1 with the circuit board removed.

Fig. 3 is an exploded perspective view of the receptacle connector of fig. 1.

Fig. 4 is a perspective view of the two connectors of fig. 1 separated from each other.

Fig. 5 is a perspective view of the two connectors of fig. 2 separated from each other.

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

Fig. 7 is a cross-sectional view of the electrical connector assembly of fig. 1 taken along the dashed line a-a.

Fig. 8 is a cross-sectional view of the electrical connector assembly of fig. 2 taken along the dashed line B-B.

Fig. 9 is an exploded perspective view of the plug connector of fig. 5.

Fig. 10 is a perspective view of fig. 9 from another angle.

Fig. 11 is a further exploded perspective view of the plug connector of fig. 9.

Fig. 12 is a perspective view of fig. 11 from another angle.

Fig. 13 is an exploded perspective view of the terminal module and the grounding member of fig. 11.

Fig. 14 is a perspective view of fig. 13 from another angle.

Fig. 15 is a perspective view of the terminal module and the ground member of fig. 13 further exploded.

Fig. 16 is a perspective view of fig. 15 from another angle.

Fig. 17 is an exploded perspective view of the first unit and cable of fig. 15.

Fig. 18 is an exploded perspective view of the second unit and cable of fig. 15.

Fig. 19 is a perspective view of fig. 17 from another angle.

Fig. 20 is a perspective view of fig. 18 from another angle.

Fig. 21 is a bottom view of the plug connector of fig. 6.

[ description of main element symbols ]

Electrical connector assembly 30	Side plate 613a	Welding part 662
			Socket connector 500	Abutting surface 6131	Ground terminal 664
Body/socket body 510	Terminal groove 616	Signal terminal 666
			Accommodating cavity 512	Bump 618	Cable 670
Through hole 513	Lock catch 620	Conductive core 672
			Guide groove 514	Lock catch projection 622	Shielding layer 674
Bottom wall 5151	Fixed plate 624	Grounding piece 680
			Lower inclined wall 5152	Side barbs 6241	End arm 681
Upper inclined wall 5153	Elastic finger 626	Elastic finger 682
			End wall 5154	Opening 628	Hole 684
Fastening groove 5161	Terminal module 630	Elastic sheet 686
			Lock catch hole 5162	First unit 640	Holes 688
Circuit board 550	First terminal 644	Spacer 689
			Grounding conductive pad 552	Contact point 6441	Grounding piece 690
Signal conducting strip 554	Insulator 642	Holes 694, 698
			Conducting strip group 556	Bump 6421	Elastic fingers 692
Grounding band 557	Terminal groove 643	Tab 696
			Plug connector 600	Second unit 650	Spacer 699
Body/plug body 610	Convex column 651	Convex column 701
			Space 614	Accommodating space 6521	Aperture 702
Rib 6141	Bumps 656, 657, 659	Hole 703
			Lower inclined plate 611	Notch 658	Chamfered part A
Convex part 612	Cross bar 660	Chamfered part B
			Upper inclined plate 613	Contact part 661	Direction of extension C-C

[ detailed description ] embodiments

For a better understanding of the objects, structure, features, and functions of the invention, reference should be made to the drawings and detailed description that follow.

Referring to fig. 1-21, the electrical connector assembly 30 of the present invention includes a plug connector 600 and a receptacle connector 500 that can be mated with each other. The receptacle connector 500 includes a circuit board 550 and a body 510 made of an insulating material or called a receptacle body mounted on the circuit board 550 to be distinguished from the plug body. The circuit board 550 is provided with a plurality of grounding conductive pads 552 and a plurality of signal conductive pads 554, in an embodiment, a pair of signal conductive pads 554 and grounding conductive pads 552 are arranged in a staggered manner, the grounding conductive pads 552 and the signal conductive pads 554 are arranged into two conductive pad groups 556, and two longitudinal grounding strips 557 are disposed on one side of the conductive pad groups 556. The body 510 has a receiving cavity 512, the receiving cavity 512 extends downward and is connected to the circuit board 550 through two longitudinal through holes 513, and each through hole 513 is aligned with one of the conductive sheet sets 556 for exposing the

conductive sheets

552 and 554. The receiving cavity 512 extends obliquely upward and penetrates upward to communicate with the outside for receiving the plug connector 600, and the receiving cavity 512 and the circuit board are disposed at an acute angle when viewed from the side. In this embodiment, the body 510 includes a bottom wall 5151, a lower inclined wall 5152, an upper inclined wall 5153, and an end wall 5154 connecting the bottom wall, the lower inclined wall and the upper inclined wall, which together form the receiving cavity 512, which is inclined to extend. The bottom wall 5151 is then parallel to the circuit board so that it can be mounted to the circuit board 550. The body 510 is provided with a pair of guide grooves 514, and the guide grooves 514 are formed on an upward surface of a lower inclined wall 5152 of the body 510. The upper inclined wall 5153 has a locking groove 5161 formed on the lower surface thereof.

The plug connector 600 includes a body 610 made of insulation or referred to as a plug body, a terminal module 630 received in the body, and a locking member 620, the locking member 620 being mounted in a space 614 of the body. The body 610 includes a lower inclined plate 611 and an upper inclined plate 613, the lower inclined plate 611 is provided with two protrusions 612, and when the plug connector is inserted into the receptacle connector, the protrusions 612 are received in the corresponding guide grooves 514. The lower inclined plate 611 is provided with a chamfered portion B which forms a mating surface 6131 together with the terminal module 630, which will be described in detail later. The space 614 is formed by surrounding a protruding rib 6141 of the upper inclined plate, the locking member 620 includes a fixing plate 624 having a side barb 6241 and a pair of openings 628, the side barb 6241 is fixed to the body by interference, as shown in fig. 9, the openings 628 can be fixed to a pair of protrusions 618 further provided on the body, so as to fix the fixing plate to the body 610. The elastic finger 626 is bent backward from the front end of the fixing plate 624 and is provided with a pair of locking protrusions 622, the locking member 620 of the plug connector and the rib 6141 are inserted into the locking groove 5161 together, and the locking protrusions 622 are locked in the locking holes 5162. The front end of the body is provided with a row of terminal slots 616. The plug connector of this embodiment is provided with 18 pairs of differential pair terminals, each adjacent terminal having a pitch of 0.5 mm.

The body 610 may be one-piece or two-piece, in this embodiment, a pair of holes 703 is formed on the upper surface of the lower inclined plate 611, and the terminal module 630 has a protruding pillar 651 inserted into the holes 703. The upper and lower surfaces of the upper inclined plate 613 are provided with a pair of holes 702, and the terminal module 630 is provided with a boss 701 inserted into the hole 702. A pair of side plates 613a vertically extend from both ends of the upper inclined plate 611 in detail, thereby covering the terminal module 630.

The terminal module 630 includes a first unit 640 and a second unit 650, wherein the first unit is located above the second unit and protrudes forward. The first unit 640 includes a row of first terminals 644 and an insulator 642 fixing the first terminals 644, the first terminals are elastic, and the insulator 642 fixes the row of first terminals 644 on the insulator 642 by injection molding. Insulator 642 is formed with chamfered portion a at the front end that is coplanar with chamfered portion B of body 610 to form abutment surface 6131. The insulator 642 is provided with an array of terminal slots 643. The first terminals 644 in one row include signal terminals 666 and ground terminals 664 arranged alternately with each other in the longitudinal direction, and adjacent signal terminals constitute a differential terminal pair. The contact portions 661 of the first terminals 644 are received in the terminal grooves 616 formed at the front end of the body 610, and the contact portions 661 extend obliquely downward and have arc-shaped contact points 6441. The soldering portions 662 of the differential terminal pairs are fixed to the conductive core 672 of the cable 670 by soldering, the ground terminal 664 is integrated with a cross-bar 660, and the shielding layer 674 of the cable is mechanically and electrically connected to the cross-bar 660.

A grounding member 680 made of metal is fixed to the insulator 642. The grounding member 680 is disposed above the cable, and a row of elastic fingers 682 extends forward from a front end edge of the grounding member, and the elastic fingers 682 press against and contact the shielding layer 674 of the cable. A pair of end arms 681 extend forward, the end arms 681 abut against the side of the insulator, and holes 684 formed therein are engaged with protrusions 6421 projecting from the side of the insulator, and resilient pieces 686 bent at the upper ends of the end arms 681 abut against or are welded to the cross bars 660. The side of the grounding piece is provided with a hole 688, and the hole 688 is buckled with the convex block 657 on the side surface of the second unit. The ground is also provided with a plurality of stamped spacers 689, which spacers 689 are interposed between adjacent cables 670 for spacing the adjacent cables apart.

Similarly, the second unit 650 includes a row of second terminals 654 and an insulator 652 molded over the second terminals. Insulator 652 is formed with a plurality of

bumps

656, 657, 659 and notches 658. The protrusion 657 is received in the hole 688 of the grounding plate 680. The second terminal 654 includes a plurality of differential terminal pairs 666 and ground terminals 664 which alternate with each other, the contact portion 661 of the second terminal 654 is received in a terminal groove 643 provided in the insulator of the first unit, and the welding portions 662 of the differential terminal pairs are welded to the conductive core 672 of the cable 670. All the ground terminals 664 are connected together by a cross-bar, and the shielding layer 674 of the cable is mechanically and electrically connected to the cross-bar 660. A metal ground 690 is also provided with

holes

694, 698 engaging with the

holes

656, 658, and resilient fingers 692 are provided to press against the shielding layer 674 to mechanically and electrically connect the shielding layer 674. Tab 696 snaps into notch 658 and contacts bar 660. Spacers 699 space the cables apart.

The second unit insulator 652 has an upwardly open receiving space 6521 formed in an upper surface thereof, the first unit 640 is received in the receiving space 6521, and referring to fig. 17 to 18, the first unit insulator 642 has a rear end positioned in the receiving space 6521, a front end positioned in front of the receiving space 6521, and a contact portion 661 of the second terminal is positioned below the first unit insulator 642. The contact portions 661 of the first terminals are located below the upper inclined plate. Referring to fig. 7-8, in the first and second terminals, the contact portion 661 extends forward from the fixing portion 663 in a direction deviating from the extending direction C-C of the plug connector, the fixing portion 663 is buried in the insulator, and the contact portion 661 has the

lowest points

6441, 6541 constituting the contact points 6441, 6541. The first and second terminals together form a plug terminal, and the two insulators and the body form a plug body for supporting the plug terminal. Of course, the plug connector may be manufactured in other ways.

As shown in fig. 7-8, the plug connector 600 is inserted into the socket body 510 of the socket connector at a downward-inclined angle (same as the extending direction C-C of the plug connector), and the contact points 6441, 6541 of the contact portions 661 of the plug terminals elastically abut against the

conductive sheets

552, 554 of the circuit board. The chamfered portion A, B of the terminal module 630 and the circuit board 550 are parallel to each other. The feature of this embodiment is that the plug connector includes an inclined interface 6131, that is, the interface 6131 is inclined relative to the extending direction C-C of the connector, and is inserted into the socket connector assembly 500 obliquely, the terminals of the socket connector are replaced by the conductive strips of the circuit board, and the body only provides the function of butt-joint fixing. Cable 670 is positioned on the upper surface of insulator 652 and cable 670 is positioned below insulator 652 as shown in FIGS. 14-15.

The above description is only for the preferred embodiment of the present invention, and should not be taken as limiting the scope of the present invention. All such modifications and variations are intended to be included herein within the scope of this disclosure and the present invention and protected by the following claims.

Claims

1. An electrical connector assembly includes a plug connector and a receptacle connector mated with each other; the method is characterized in that: the plug connector comprises a plug body, a terminal module and a cable, the plug connector is provided with an extending direction, the terminal module comprises a butt joint surface which is inclined to the extending direction, an insulator and a plurality of plug terminals embedded in the insulator, and the cable is connected to the plug terminals; the socket connector comprises a socket body and a conducting strip, wherein the socket body is provided with an obliquely extending accommodating cavity, the conducting strip is arranged on a circuit board, and the socket body is arranged on the circuit board; the plug connector is inserted into the accommodating cavity, and the plug terminal is mechanically and electrically connected with the conducting strip.

2. The electrical connector assembly of claim 1, wherein: the plug connector is provided with a locking fastener, and the socket body is provided with a buckling groove and a buckling hole for accommodating the locking fastener.

3. A plug connector is defined with an extending direction and comprises a plug body, a plug terminal and a cable, wherein the plug body is provided with a butt joint surface inclined to the extending direction, and the plug terminal comprises a fixing part fixed on the plug body, a contact part exposed on the butt joint surface and a welding pin; the cable extends backwards from the plug body and is electrically connected with the welding pin of the plug terminal; the contact portion of the plug terminal extends obliquely from the fixing portion in a direction deviating from the extending direction and has a lowest point constituting a contact point mechanically and electrically connected with a socket connector.

4. A plug connector as recited in claim 3, wherein: the plug body comprises an insulating body and a terminal module, the terminal module comprises the plug terminal and an insulator for fixing the plug terminal, the insulator is provided with a chamfer part, the insulating body is provided with a chamfer part, and the two chamfer parts jointly form the butt joint surface.

5. The plug connector of claim 4, wherein: the terminal module comprises two rows of plug terminals and two rows of cables, wherein one row of cables are mounted on the upper surface of the insulator, and the other row of cables are mounted on the lower surface of the insulator.

6. The plug connector of claim 5, wherein: each plug terminal comprises a signal terminal and a grounding terminal, the welding pin of the grounding terminal is integrally connected to the transverse bar at the rear end, and the welding pin of the signal terminal is cut off from the transverse bar; the shielding layer arranged on the cable is used for mechanically and electrically connecting the transverse bar of the connector; the plug connector comprises two grounding pieces, and the grounding pieces are provided with elastic fingers which are elastically abutted to the shielding layers.

7. The plug connector of claim 4, wherein: the plug terminal comprises a row of first terminals and a row of second terminals; the front section of the insulating body is provided with a row of terminal holes, and the contact part of the first terminal is accommodated in the terminal holes; the insulator is provided with a row of terminal holes in which contact portions of the second terminals are accommodated.

8. A socket connector comprises a socket body and a conducting strip; the socket body comprises a bottom plate and an accommodating cavity which extends upwards from the bottom plate in an inclined mode, and the bottom plate is provided with a through hole; the conducting strip is arranged on a circuit board, the socket body is arranged on the circuit board, and the conducting strip on the circuit board is exposed in the through hole.

9. The receptacle connector according to claim 8, wherein: the socket body comprises an upper inclined wall, a lower inclined wall and two end walls, wherein the upper inclined wall, the lower inclined wall and the two end walls extend from the bottom plate, the upper inclined wall, the lower inclined wall and the two end walls jointly limit the accommodating cavity, and a guide groove is formed in the upward surface of the lower inclined wall.

10. The receptacle connector according to claim 1, wherein: the downward surface of the upper inclined wall is provided with a buckling groove.