CN112366484A

CN112366484A - Electric connector and connector combination with same

Info

Publication number: CN112366484A
Application number: CN202010946067.XA
Authority: CN
Inventors: 张文昌; 梁崇成; 殷佳旭; 张标
Original assignee: Lotes Guangzhou Co Ltd
Current assignee: Lotes Guangzhou Co Ltd
Priority date: 2020-09-10
Filing date: 2020-09-10
Publication date: 2021-02-12
Anticipated expiration: 2040-09-10
Also published as: CN112366484B

Abstract

The invention discloses a connector combination, comprising: the electric connector comprises an insulating seat, a conductive terminal and a grounding plate, wherein a fixing part of the conductive terminal is fixed on the insulating seat, a welding part of the insulating seat extends out of the fixing part, the welding part is bent and extends back to the fixing part along the transverse direction, and one side of the conductive terminal of the grounding plate in the transverse direction; the butt-joint connector comprises an insulating body, a butt-joint terminal and a shielding sheet, wherein a main body part of the butt-joint terminal is fixedly held on the insulating body, a welding foot extends out of the main body part and extends out of the insulating body, the welding foot is bent and extends back to the main body part along the transverse direction, the shielding sheet is positioned on one side of the butt-joint terminal in the transverse direction, after the electric connector is in butt joint with the butt-joint connector, for conductive terminals and the butt-joint terminal which are in contact with each other, corresponding grounding sheets and guide connection parts of the butt-joint terminal are positioned on two opposite sides of the conductive terminals in the transverse direction, and corresponding contact parts of the shielding sheet and the conductive terminals are positioned on two opposite sides of the.

Description

Electric connector and connector combination with same

[ technical field ] A method for producing a semiconductor device

The present invention relates to an electrical connector and a connector assembly having the same, and more particularly, to an electrical connector and a connector assembly having the same, which are suitable for transmitting high frequency signals and are convenient to assemble.

[ background of the invention ]

With the development of electronic science and technology, the electrical connector plays an important role in the field of electronic technology, and the transmission rate of information is faster and faster, so that the high frequency requirement on the electrical connector is higher and higher, and the electrical connector is required to support the fast transmission rate and improve the signal transmission stability of the electrical connector.

Based on the requirement of the electrical connector to transmit stable high-speed signals, an electrical connector assembly is known, which includes a first electrical connector and a second electrical connector, wherein the first electrical connector includes a first body and a plurality of first conductive terminals, and main portions of the first conductive terminals are fixed to the first body; the second electrical connector comprises a second body and a plurality of second conductive terminals, and the main body parts of the second conductive terminals are fixedly held on the second body. When the first electric connector is in butt joint with the second electric connector, the contact parts of the first conductive terminals are abutted to the main body parts of the second conductive terminals, and the contact parts of the second conductive terminals are abutted to the main body parts of the first conductive terminals to form multi-point contact, so that signal transmission is facilitated, signal loss is avoided, but in the electric connection combination, crosstalk is easy to occur between adjacent conductive terminals when signals are transmitted, and the shielding performance is poor.

Another conventional electrical connector for mating with a mating connector, the electrical connector including an insulator, at least one shielding element, and a plurality of conductive terminals, the plurality of conductive terminals having signal terminals and ground terminals, the conductive terminals having a holding portion held on the insulator, a contact portion extending upward from the holding portion, and a soldering portion extending downward from the holding portion, the soldering portion being bent with respect to the holding portion, the conductive terminals being arranged in at least one row, the shielding element and the soldering portion being located on a same side of the holding portion, the shielding element being mounted on the insulator from bottom to top, the shielding element being in abutting contact with the ground terminals of the conductive terminals, contact points of the mating terminals of the mating connector with the conductive terminals and contact points of the shielding element with the ground terminals being located on opposite sides of the conductive terminals, in the electrical connector, due to the bending of the welding portion, if the shielding member is closer to the signal terminal, the mounting of the shielding member is inconvenient, and if the mounting of the shielding member is to be facilitated, the welding portion needs to be avoided, so that the shielding member is farther from the signal terminal, and thus the shielding effect of the shielding member on the signal terminal is poor, and a serious crosstalk problem exists.

Therefore, in view of the above problems, it is desirable to design a new electrical connector and a connector assembly having the same to solve the above drawbacks.

[ summary of the invention ]

In view of the problems faced by the background art, the present invention provides an electrical connector transmitting high frequency signals and being convenient to assemble, and a connector assembly having the same.

In order to achieve the purpose, the invention adopts the following technical means:

a connector assembly including an electrical connector and a mating connector mated with each other, comprising: the electric connector comprises an insulating seat, at least one row of conductive terminals and at least one grounding lug, wherein the insulating seat is provided with a butt joint surface, a mounting surface arranged opposite to the butt joint surface, a butt joint groove formed by downward sinking of the butt joint surface, and two side walls positioned at two opposite sides of the butt joint groove in a transverse direction, the transverse direction is vertical to the upper and lower directions, each row of the conductive terminals comprises a plurality of signal terminals and a plurality of grounding terminals, each conductive terminal is provided with a fixing part fixed on the insulating seat, a contact part extending into the butt joint groove in the transverse direction and a welding part extending out of the mounting surface, the welding part is bent and extended along the transverse direction relative to the fixing part, the grounding lug is fixed on the insulating seat in the vertical direction, and the grounding lug is positioned at one side of one row of the conductive terminals in the transverse direction, and is connected with at least two grounding terminals in the corresponding row of the conductive terminals in a guiding way, and the grounding sheet and the welding part of the corresponding row of the conductive terminals are positioned at two opposite sides of the fixing part of the corresponding row of the conductive terminals in the transverse direction; the butting connector comprises an insulating body, at least one row of butting terminals and at least one shielding sheet, wherein the insulating body is provided with a base part, a butting part formed by protruding from the base part, the butting part is inserted in the butting groove, each row of butting terminals comprises a plurality of signal terminals and a plurality of grounding terminals, each butting terminal is provided with a main body part fixedly held on the base part, a guiding part exposed on one surface of the butting part and a welding foot extending out of the base part, the welding foot is bent and extended along the transverse direction relative to the main body part, the shielding sheet is fixedly installed on the insulating body along the vertical direction, the shielding sheet is positioned on one side of one row of the butting terminals in the transverse direction and is in guiding connection with at least two grounding terminals in the corresponding row of the butting terminals in the transverse direction, the shielding sheet and the welding feet of the butt-joint terminals in the corresponding row are positioned at two opposite sides of the main body part of the butt-joint terminals in the corresponding row; after the electric connector is butted with the butting connector, the contact part is electrically contacted with the butting terminal, the guide connection part is electrically contacted with the conductive terminal, for the conductive terminal and the butting terminal which are electrically contacted with each other, the corresponding ground plate and the guide connection part of the butting terminal are positioned on two opposite sides of the conductive terminal in the transverse direction, and the corresponding shielding plate and the contact part of the conductive terminal are positioned on two opposite sides of the butting terminal in the transverse direction.

Furthermore, the electric connector comprises two rows of the conductive terminals arranged on the two opposite sides of the butt joint groove in the transverse direction and each row of the conductive terminals is provided with one grounding plate, the welding parts of the two rows of the conductive terminals bend and extend towards each other in the transverse direction, the butt joint electric connector comprises two rows of the butt joint terminals and each row of the butt joint terminals is provided with one shielding plate, and the welding pins of the two rows of the butt joint terminals deviate from each other in the transverse direction and bend and extend.

Further, the side wall is provided with a first inner wall surface extending along the vertical direction and a boss extending towards the butt joint groove in the transverse direction relative to the first inner wall surface, the boss is located below the first inner wall surface, the boss is provided with a second inner wall surface facing the butt joint groove in the transverse direction, the second inner wall surface is connected with the top surface of the boss and the groove bottom surface of the butt joint groove, the side wall is provided with a row of terminal holes for accommodating one row of conductive terminals, the terminal holes penetrate through the first inner wall surface and the second inner wall surface inwards and penetrate through the boss upwards, the contact part protrudes into the butt joint groove from the first inner wall surface, and the grounding piece is at least partially accommodated in the boss.

Further, the grounding sheet is limited between a vertical plane where the first inner wall surface is located and a vertical plane where the second inner wall surface is located in the transverse direction.

Further, the arrangement direction of the conductive terminals in one row is defined as the longitudinal direction, each terminal hole is provided with two fixing grooves for fixing the fixing part, the two fixing grooves are positioned at two opposite sides of the terminal hole in the longitudinal direction, the fixing grooves protrude upwards into the lug boss, and the distance between the top ends of the fixing grooves and the groove bottom surface of the butt joint groove is greater than the distance between the top ends of the fixing grooves and the top surface of the lug boss.

Further, the grounding plate has a flat plate portion and a plurality of abutting arms formed by bending and extending from the flat plate portion, each grounding terminal abuts two of the abutting arms, one of the abutting arms abuts the corresponding grounding terminal in the boss, and the other abutting arm abuts the corresponding grounding terminal below the abutting groove.

Further, the guide connecting part contacts the fixing part at a position corresponding to the boss in the lateral direction, and the contact part abuts against the main body part in the lateral direction, so that the conductive terminal and the mating terminal form two-point contact.

Further, the butt-joint part includes from a step portion that the base portion is protruding to be stretched and from a protruding portion that the step portion is protruding to be formed, the relative of step portion in the transverse direction protruding portion outwards protrudes, protruding portion is located two the lateral wall between the second internal face, the step portion is located two the lateral wall between the first internal face, the base portion outwards appears in the transverse direction in step portion, the guide connection portion outwards appears in the transverse direction protruding portion, protruding portion is equipped with an at least chamfer structure, thereby protruding portion is the rectangle that lacks an angle at least by the cross-section of horizontal plane intercepting, is used for making butt-joint part folk prescription insert the butt-joint groove.

Further, the insulating body is provided with a row of accommodating grooves for accommodating a row of butt-joint terminals, the accommodating grooves penetrate through the butt-joint part outwards in the transverse direction, the butt-joint terminals are provided with elastic arms formed by extending from the main body part, the elastic arms are provided with the guiding and connecting parts, the width of the elastic arms in the longitudinal direction is smaller than that of the main body part in the longitudinal direction, and the elastic arms are bent inwards relative to the main body part at the step parts.

Furthermore, the opposite two sides of the butt joint part in the transverse direction are respectively provided with a downward facing step surface, and after the butt joint part is inserted into the butt joint groove downwards, the step surfaces are positioned above the corresponding bosses and a gap is formed between the step surfaces and the bosses.

Furthermore, the grounding plate comprises a flat plate part and a plurality of abutting arms formed by bending and extending the flat plate part, each grounding terminal in the conductive terminals is in guiding connection with at least one abutting arm, at least part of the flat plate part is overlapped with the main body part in the up-down direction, the shielding plate comprises a flat part and a plurality of abutting elastic sheets formed by bending and extending the flat part, each grounding terminal in the abutting terminals is in guiding connection with at least one abutting elastic sheet, and at least part of the flat part is overlapped with the fixing part in the up-down direction.

Further, the ground lug is provided with a plurality of abutting arms, one of the abutting arms is aligned with the guide connection part of one of the row of butt-joint terminals in the transverse direction and abutted against the opposite sides of the fixing part of the same one of the conductive terminals, the shielding lug is provided with a plurality of abutting elastic sheets, one of the abutting elastic sheets is aligned with the contact part of one of the row of conductive terminals in the transverse direction and abutted against the opposite sides of the main body part of the same one of the butt-joint terminals.

an electrical connector for mating with a mating connector in an up-down direction, the mating connector including at least one row of mating terminals, the electrical connector comprising: an insulating base; two rows of conductive terminals, which are arranged in parallel on the insulating base in a transverse direction, the transverse direction is perpendicular to the up-down direction, each row of conductive terminals comprises a plurality of signal terminals and a plurality of grounding terminals, each conductive terminal is provided with a fixing part, a contact part and a welding part, the fixing part is fixed on the insulating base, the contact part is used for electrically contacting with a guide connection part of the butt-joint terminal, and the welding part extends downwards out of the insulating base and is bent and extended along the transverse direction relative to the fixing part; two ground lugs, along the direction from top to bottom the installation be fixed in insulator, each the ground lug corresponds to be located one of them row conductive terminal is in one side of transverse direction, and with correspond row at least two in the conductive terminal ground terminal leads connects, in transverse direction, the ground lug with correspond to arrange conductive terminal the welding part is located and corresponds row conductive terminal the relative both sides of fixed part, the ground lug with correspond row conductive terminal corresponds butt joint terminal is located and corresponds row conductive terminal's relative both sides.

Further, the insulating base has a butt joint face, a butt joint groove formed by being recessed downwards from the butt joint face, and two side walls located at two opposite sides of the butt joint groove, the side walls are provided with a first inner wall face extending along the vertical direction and a boss formed by protruding towards the butt joint groove relative to the first inner wall face in the transverse direction, the boss is located below the first inner wall face, the boss is provided with a second inner wall face facing the butt joint groove in the transverse direction, the second inner wall face is connected with the top face of the boss and the groove bottom face of the butt joint groove, the side walls are provided with a row of terminal holes for accommodating a row of the conductive terminals, the terminal holes inwards penetrate through the first inner wall face and the second inner wall face and upwards penetrate through the boss, each accommodating hole accommodates one conductive terminal, the conductive terminal extends into the first inner wall face from the upper part of the boss in the transverse direction, and the contact portion protrudes into the mating groove from the first inner wall surface.

Furthermore, in the same row of the conductive terminals, two signal terminals which are adjacently arranged form a differential signal pair, two grounding terminals which are arranged at intervals are arranged between the two adjacent differential signal pairs, each grounding terminal is abutted to two of the abutting arms, one of the abutting arms is abutted to the corresponding grounding terminal in the boss, and the other abutting arm is abutted to the corresponding grounding terminal below the abutting groove.

Furthermore, the welding parts of the two rows of conductive terminals extend downwards to form the insulating seat and extend oppositely to each other in the transverse direction, and the fixing parts of the two rows of conductive terminals are positioned between the two grounding plates in the transverse direction.

Further, each row the conductive terminal is arranged along a lengthwise direction, lengthwise direction perpendicular to upper and lower direction and horizontal direction, the butt joint groove is equipped with two end wall faces of connecting two first internal face, two the end wall face sets up relatively in lengthwise direction, first internal face with end wall face junction forms a corner, the butt joint groove is equipped with the chamfer structure in wherein at least one corner, thereby the cross-section of butt joint groove by horizontal plane intercepting is the rectangle that lacks an angle at least, is used for supplying the butt joint connector unilateral inserts.

Furthermore, in each row of the conductive terminals, two adjacent ground terminals and two adjacent signal terminals are alternately arranged one by one, the two adjacent signal terminals form a differential signal terminal pair, and the ground strip is provided with at least one butting arm corresponding to each ground terminal in the same row of the conductive terminals to be butted with the ground strip.

Compared with the prior art, the invention has the following beneficial effects:

in the transverse direction, the welding parts of the grounding sheets and the corresponding rows of the conductive terminals are arranged on two opposite sides of the fixing parts of the corresponding rows of the conductive terminals, and the welding feet of the shielding sheets and the corresponding rows of the butt-joint terminals are arranged on two opposite sides of the main body parts of the corresponding rows of the butt-joint terminals, so that the welding parts cannot influence the assembly of the grounding sheets on the insulating seat and the assembly of the shielding sheets on the insulating body in the process of assembling the electric connector and the butt-joint electric connector, and the welding feet cannot influence the assembly of the shielding sheets on the insulating body, so that the grounding sheets and the shielding sheets can be arranged close to the corresponding signal terminals, and the electromagnetic interference on the signal terminals can be shielded conveniently; after the electric connector is butted with the butting connector, the contact part is electrically contacted with the butting terminal, the guide connection part is electrically contacted with the conductive terminal, for the conductive terminal and the butting terminal which are electrically contacted with each other, the corresponding guide connection part of the grounding sheet and the butting terminal is positioned at two opposite sides of the conductive terminal in the transverse direction, and the corresponding contact part of the shielding sheet and the conductive terminal is positioned at two opposite sides of the butting terminal in the transverse direction, the structure not only enables the grounding sheet and the shielding sheet to be arranged at two opposite sides of the conductive terminal and the butting terminal which are butted with each other, further enhances the electromagnetic shielding of the signal terminal, but also enables the grounding sheet or the shielding sheet to avoid the position where the conductive terminal and the butting terminal are contacted with each other, the length of the connector assembly in the up-and-down direction is reduced.

[ description of the drawings ]

FIG. 1 is an exploded perspective view of the connector assembly of the present invention without mating with the first and second circuit boards;

fig. 2 is a perspective view of the electrical connector of fig. 1 soldered to a first circuit board;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;

FIG. 4 is a partial cross-sectional view taken along line B-B of FIG. 2 and hiding a conductive terminal;

FIG. 5 is a partial schematic view of FIG. 2 showing only conductive terminals and a grounding plate;

fig. 6 is a perspective view of the docking connector of fig. 1 soldered to a second circuit board;

FIG. 7 is a front view of FIG. 6;

FIG. 8 is a cross-sectional view taken along line C-C of FIG. 7;

FIG. 9 is a perspective view of the connector assembly of FIG. 1 mated with first and second circuit boards;

FIG. 10 is a cross-sectional view taken along line D-D of FIG. 9;

fig. 11 is a cross-sectional view taken along line E-E of fig. 9.

Detailed description of the embodiments reference is made to the accompanying drawings in which:

mounting surface 12 of butt joint surface 11 of insulating seat 1 of electric connector 100

First inner wall surface 141 of side wall 14 of groove bottom surface 131 of butt groove 13

Terminal hole 145 on top 144 of second inner wall 143 of boss 142

Retaining groove 146 receiving groove 147 end wall 15 end wall face 151

Chamfer structure 16 conductive terminal 2 signal terminal 2S grounding terminal 2G

Fixing part 21 contact part 22 welding part 23 grounding piece 3

The flat plate portion 31 and the abutting arm 32 butt-joint the connector 200 and the insulating body 4

Protruding part 422 of step 421 of butt-joint part 42 of base 41

Stepped surface 423 chamfered structure 424 accommodating groove 43 accommodating groove 44

Butt terminal 5 signal terminal 5S ground terminal 5G main body 51

Lead 521 solder 53 shield 6 of spring arm 52

The flat part 61 abuts against the elastic sheet 62, the first circuit board 300 and the second circuit board 400

[ 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.

As shown in fig. 1 and fig. 9, the connector assembly of the present invention includes an electrical connector 100 and a mating connector 200, which are mated with each other, the electrical connector 100 is soldered to a first circuit board 300, and the mating connector 200 is soldered to a second circuit board 400. In order to facilitate description of a specific structure in the connector assembly, a longitudinal direction is defined as X, a transverse direction is defined as Y, and an up-down direction is defined as Z, and the front-back direction, the left-right direction, and the up-down direction are perpendicular to each other two by two.

As shown in fig. 2 and fig. 3, the electrical connector 100 is of an upright type, the electrical connector 100 includes an insulating base 1, at least one row of conductive terminals 2, and at least one grounding plate 3, in this embodiment, the electrical connector 100 includes two rows of the conductive terminals 2 and two grounding plates 3, and one side of each row of the conductive terminals 2 is correspondingly provided with one grounding plate 3.

As shown in fig. 2 and 3, the insulating housing 1 has a mating surface 11, a mounting surface 12 disposed opposite to the mating surface 11, a mating groove 13 formed to be recessed downward from the mating surface 11, two side walls 14 located at opposite sides of the mating groove 13 in the transverse direction, and two end walls 15 located at opposite ends of the mating groove 13 in the longitudinal direction. The docking bay 13 has a bay bottom surface 131, the bay bottom surface 131 being disposed upwardly.

As shown in fig. 2 and 3, each of the side walls 14 has a first inner wall surface 141 extending in the up-down direction and a boss 142 protruding toward the docking slot 13 in the transverse direction relative to the first inner wall surface 141, the boss 142 is located below the first inner wall surface 141, the boss 142 has a second inner wall surface 143 facing the docking slot 13 in the transverse direction and a top surface 144 facing upward, the second inner wall surface 143 connects the top surface 144 with the slot bottom surface 131, and the top surface 144 connects the first inner wall surface 141 with the second inner side surface 143 on both sides in the transverse direction.

As shown in fig. 2, 3 and 4, each of the side walls 14 has a row of terminal holes 145 for receiving a row of the conductive terminals 2, and the terminal holes 145 are recessed upward from the mounting surface 12 to the mating surface 11, and penetrate through the first inner wall surface 141, the second inner wall surface 143 and the boss 142 upward. Each of the terminal holes 145 is provided with two holding grooves 146, the two holding grooves 146 are located at opposite sides of the corresponding terminal hole 145 in the longitudinal direction, the holding grooves 146 protrude upward into the bosses 142, and the distance H1 between the top ends of the holding grooves 146 and the groove bottom surface 131 is greater than the distance H2 between the top ends of the holding grooves 146 and the top surface 144.

As shown in fig. 2, each of the side walls is further provided with a receiving groove 147, the receiving groove 147 is formed by being recessed upward from the mounting surface 12, the receiving groove 147 on the same side wall 14 is communicated with a row of the terminal holes 145, the receiving groove 147 divides the terminal holes 145 into two halves with different lengths in the transverse direction, the receiving groove 147 is located on the inner side corresponding to the first inner wall surface 141 in the transverse direction, and a part of the receiving groove is protruded upward and extends into the corresponding boss 142.

As shown in fig. 2 and 3, each of the end walls 15 has an end wall surface 151 facing the corresponding mating slot 13, a corner is formed at a connection position of the first inner wall surface 141 and the end wall surface 151, the corresponding mating slot 13 has a chamfer structure 16 at least one corner, so that a cross section of the corresponding mating slot 13, taken along a horizontal plane, is a rectangle with at least one missing corner for the single-direction insertion of the corresponding mating connector 200, and the chamfer structure 16 extends along the first inner wall surface 141 in an up-down direction and extends to the top surface 144. In this embodiment, the chamfering structures 16 are respectively disposed on two longitudinal sides of only one of the first inner wall surfaces 141 of the docking slot 13.

As shown in fig. 3, 4 and 5, each row of the conductive terminals 2 includes a plurality of signal terminals 2S and a plurality of ground terminals 2G, and two rows of the conductive terminals 2 are accommodated in two rows of the terminal holes 145 on two of the side walls 14 in a one-to-one correspondence manner. Each of the conductive terminals 2 has a fixing portion 21 fixed on the insulating housing 1, a contact portion 22 protruding into the corresponding slot 13 in the transverse direction, and a soldering portion 23 extending out of the mounting surface 12. The fixing portion 21 of the conductive terminal 2 is fixed in the fixing groove 146, the conductive terminal 2 extends into the first inner wall surface 141 from above the boss 142 in the transverse direction, the contact portion 22 protrudes into the mating groove 13 from the first inner wall surface 141, the soldering portion 23 extends downward from the fixing portion 21 to the mounting surface 12, and then bends and extends in the transverse direction relative to the fixing portion 21, the surface of the soldering portion 23 is soldered to the first circuit board 300, and the soldering portions 23 of the two rows of conductive terminals 2 bend and extend in the transverse direction relative to each other.

As shown in fig. 4 and 5, in the conductive terminals 2 in the same row, two adjacent signal terminals 2S form a differential signal terminal pair, and two ground terminals 2G are disposed between two adjacent differential signal terminal pairs at intervals. In this embodiment, in each row of the conductive terminals 2, two adjacent ground terminals 2G and two adjacent signal terminals 2S are alternately arranged one by one.

As shown in fig. 3, fig. 4 and fig. 5, the grounding plate 3 is formed by punching metal plates, each grounding plate 3 is fixed to the accommodating groove 147 on the insulating base 1 along the vertical direction, so that at least part of the grounding plate 3 is accommodated in the boss 142, two rows of the fixing parts 21 of the conductive terminals 2 are located in two in the transverse direction between the grounding plates 3, and each grounding plate 3 and the corresponding row of the conductive terminals 2 are located in the corresponding row of the welding parts 23 of the conductive terminals 2 on the opposite sides of the fixing parts 21. Each of the grounding strips 3 is connected to at least two grounding terminals 2G in the corresponding row of the conductive terminals 2 in a conductive manner, in this embodiment, each of the grounding strips 3 is connected to all the grounding terminals 2G in the corresponding row of the conductive terminals 2 in a conductive manner.

As shown in fig. 3, 4 and 5, the grounding plate 3 has a flat plate portion 31 and a plurality of abutting arms 32 bent and extended from the flat plate portion 31, the flat plate portion 31 is limited between the vertical plane of the first inner wall surface 141 and the vertical plane of the second inner wall surface 143 in the transverse direction, each ground plate 3 is provided with at least one contact arm 32 corresponding to each ground terminal 2G in the same row of the conductive terminals 2, in the present embodiment, each of the ground terminals 2G of the conductive terminals 2 abuts two of the abutting arms 32, one of the abutting arms 32 abuts against the corresponding ground terminal 2G in the boss 142, and the other abutting arm 32 abuts against the corresponding ground terminal 2G in the insulating housing 1 below the abutting groove 13.

As shown in fig. 6 and 8, the docking connector 200 is also of a vertical type, the docking connector 200 includes an insulating body 4, at least one row of docking terminals 5 and at least one shielding plate 6, and in this embodiment, the docking connector 200 includes two rows of the docking terminals 5 and two shielding plates 6.

As shown in fig. 6, 7 and 8, the insulating housing 4 has a base portion 41 and a butting portion 42 formed by protruding from the base portion 41, and the butting portion 42 is inserted into the butting slot 13. The abutting portion 42 includes a step portion 421 formed to protrude from the base portion 41 and a protrusion portion 422 formed to protrude from the step portion 421, and the step portion 421 protrudes outward in the transverse direction relative to the protrusion portion 422, so that the abutting portion 42 forms downward facing step surfaces 423 on opposite sides in the transverse direction, respectively. The base 41 is exposed to the step 421 in the transverse direction, the guiding portion 521 is exposed to the protruding portion 422 in the transverse direction, the protruding portion 422 is provided with at least one chamfered structure 424, so that the cross section of the protruding portion 422 cut by the horizontal plane is rectangular with at least one missing corner, so that the abutting portion 42 is inserted into the abutting groove 13 in one direction, the chamfered structure 424 extends along the protruding portion 422 in the up-down direction and extends to the step surface 423, in this embodiment, the protruding portion 422 is provided with two chamfered structures 424, and the two chamfered structures 424 are aligned in the longitudinal direction.

As shown in fig. 8, in the present embodiment, the insulating housing 4 is provided with two rows of receiving slots 43, the two rows of receiving slots 43 penetrate the abutting portion 42 outwards in the transverse direction, and each receiving slot 43 penetrates the insulating housing 4 up and down. The insulation body 4 is further provided with two accommodating grooves 44, the two accommodating grooves 44 are arranged at intervals in the transverse direction and correspond to two rows of the accommodating grooves 43, each accommodating groove 44 is formed by sinking the top surface of the insulation body 4 downwards in the vertical direction, each accommodating groove 44 is communicated with the corresponding row of the terminal holes 145, and the corresponding terminal holes 145 are divided into two half parts with different lengths in the transverse direction.

As shown in fig. 7 and 8, two rows of the butt-joint terminals 5 are accommodated in the two rows of the accommodating grooves 43 in a one-to-one correspondence, each row of the butt-joint terminals 5 includes a plurality of signal terminals 5S and a plurality of ground terminals 5G, each row of the butt-joint terminals 5 has a main body 51 fixed to the base 41, an elastic arm 52 extending downward from the main body 51, and a solder leg 53 extending upward from the base 41, the elastic arm 52 is provided with a guiding part 521 exposed on one surface of the butt-joint part 42, the solder leg 53 extends upward from the main body 51 and bends in a transverse direction, the surface of the solder leg 53 is soldered to the second circuit board 400, and the solder legs 53 of the two rows of the butt-joint terminals 5 bend away from each other in the transverse direction. The width of the elastic arm 52 in the longitudinal direction is smaller than the width of the main body 51 in the longitudinal direction, and the elastic arm 52 is bent inward relative to the main body 51 at the step 421.

As shown in fig. 7 and 8, the shielding plate 6 is formed by stamping a metal plate, the shielding plate 6 is installed and fixed in the accommodating groove 44 on the insulating body 4 along the up-down direction, one shielding plate 6 is correspondingly arranged on each row of the butt-joint terminals 5, each shielding plate 6 is located on one side of one row of the butt-joint terminals 5 in the transverse direction and is connected to at least two of the butt-joint terminals 5G in a corresponding row in a guiding manner, in this embodiment, each shielding plate 6 is connected to all of the ground terminals 5G in the butt-joint terminals 5 in a corresponding row in a guiding manner. Two of the shield plates 6 are located between the fixing portions 21 of the two rows of the counterpart terminals 2 in the lateral direction. In the transverse direction, the shield plate 6 and the solder tails 53 of the corresponding row of the butt terminals 5 are located on opposite sides of the main body portion 51 of the corresponding row of the butt terminals 5.

As shown in fig. 8, each of the shielding plates 6 includes a flat portion 61 and a plurality of abutting elastic sheets 62 formed by bending and extending from the flat portion 61, the flat portion 61 is limited between a vertical plane on which an outer surface of the protruding portion 422 is located and a vertical plane on which an outer surface of the step portion 421 is located in a transverse direction, each of the ground terminals 5G of the abutting terminals 5 is connected to at least one of the abutting elastic sheets 62 in a guiding manner, in this embodiment, each of the ground terminals 2G of the abutting terminals 5 abuts two of the abutting elastic sheets 62, one of the abutting elastic sheets 62 abuts against the corresponding ground terminal 5G in the base portion 41, and the other abutting elastic sheet 62 abuts against the corresponding ground terminal 5G in the step portion 421.

As shown in fig. 10 and 11, after the electrical connector 100 and the mating connector 200 are mated, the protruding portion 422 is located between the second inner wall surfaces 143 of the two side walls 14, the step portion 421 is located between the first inner wall surfaces 141 of the two side walls 14, the bottom surface of the base portion 41 surrounding the step portion 421 abuts against the mating surface 11, and the step surface 423 is located above the corresponding boss 142 and forms a gap therebetween; the signal terminals 2S of the conductive terminals 2 are in contact with the corresponding signal terminals 5S of the counterpart terminals 5, the ground terminals 2G of the conductive terminals 2 are in contact with the corresponding ground terminals 5G of the counterpart terminals 5, the lead-in portion 521 is in contact with the fixing portion 21 at a position corresponding to the boss 142 in the lateral direction, and the contact portion 22 abuts against the body portion 51 in the lateral direction, so that the conductive terminals 2 are in two-point contact with the counterpart terminals 5.

As shown in fig. 10 and 11, after the electrical connector 100 and the mating connector 200 are mated, for the conductive terminals 2 and the mating terminals 5 that are electrically contacted with each other, the corresponding ground plate 3 and the guiding portion 521 of the mating terminal 5 are located on two opposite sides of the conductive terminal 2 in the transverse direction, the corresponding shielding plate 6 and the contacting portion 22 of the conductive terminal 2 are located on two opposite sides of the mating terminal 5 in the transverse direction, the flat plate portion 31 is at least partially overlapped with the main body portion 51 in the up-down direction, the flat portion 61 is at least partially overlapped with the fixing portion 21 in the up-down direction, one of the abutting arms 32 of the ground plate 3 and one of the guiding portions 521 of one of the ground terminals 5G of one of the mating terminals 5 are aligned with two opposite sides of the fixing portion 21 of the same ground terminal 2G of the corresponding row of the conductive terminals 2 in the transverse direction One of the abutting elastic pieces 62 of the shielding piece 6 and the contact portion 22 of one of the ground terminals 2G in one row of the conductive terminals 2 are aligned and abutted against opposite sides of the main body portion 51 of the same one of the ground terminals 5G in the corresponding row of the abutting terminals 5 in the transverse direction.

In summary, the electrical connector and the connector assembly of the electrical connector of the present invention have the following advantages

The effect is as follows:

(1) in the transverse direction, the grounding plate 3 and the soldering portion 23 of the corresponding row of the conductive terminals 2 are disposed on two opposite sides of the fixing portion 21 of the corresponding row of the conductive terminals 2, and the shielding plate 6 and the soldering foot 53 of the corresponding row of the butt-joint terminal 5 are disposed on two opposite sides of the main body portion 51 of the corresponding row of the butt-joint terminal 5, so that, in the process of assembling the electrical connector 100 and the butt-joint electrical connector 200, the soldering portion 23 does not influence the assembly of the grounding plate 3 on the insulating base 1, and the soldering foot 53 does not influence the assembly of the shielding plate 6 on the insulating body 4, so that the grounding plate 3 and the shielding plate 6 can be disposed close to the corresponding signal terminals 2S and 5S, thereby facilitating the shielding of electromagnetic interference on the signal terminals 2S and 5S; after the electrical connector 100 and the docking connector 200 are docked, the contact portion 22 is in electrical contact with the docking terminal 5, the guiding connection portion 521 is in electrical contact with the conductive terminal 2, for the conductive terminal 2 and the docking terminal 5 which are in electrical contact with each other, the corresponding guiding connection portions 521 of the grounding plate 3 and the docking terminal 5 are located on two opposite sides of the conductive terminal 2 in the transverse direction, and the corresponding shielding plate 6 and the corresponding contact portion 22 of the conductive terminal 2 are located on two opposite sides of the docking terminal 5 in the transverse direction, with the above structure, not only the grounding plate 3 and the shielding plate 6 are located on two opposite sides of the conductive terminal 2 and the docking terminal 5 which are in docking with each other, so as to further enhance the electromagnetic shielding of the signal terminals 2S and 5S, but also the grounding plate 3 or the shielding plate 6 avoids the conductive terminal 2 and the docking terminal 5 which are in contact with each other And the length of the whole connector combination in the up-down direction is reduced.

(2) The width of the elastic arm 52 in the longitudinal direction is smaller than the width of the main body 51 in the longitudinal direction, so that the elastic arm 52 is deformed under stress, the main body 51 has a larger area for the contact of the contact arm 32 to be stable, and the elastic arm 52 is bent inward relative to the main body 51 at the step 421, so as to prevent the electric connector 100 from being extruded in the vertical direction by the electric connector 100 after the electric connector 100 and the contact connector 200 are in contact.

(3) The chamfer structure 16 is disposed at the corner of the junction between the side wall 14 and the end wall 15, and the protrusion 422 of the docking connector 200 is disposed with the chamfer structure 424, so that the docking portion 42 is inserted into the docking slot 13 in one direction when the electrical connector 100 is docked with the docking connector 200.

(4) After the electrical connector 100 and the mating connector 200 are mated, the guiding portion 521 contacts the fixing portion 21 at a position corresponding to the boss 142 in the transverse direction, and the contact portion 22 abuts against the main body 51 in the transverse direction, so that the conductive terminal 2 and the mating terminal 5 form two-point contact, which facilitates signal transmission and avoids signal loss.

The above detailed description is only for the purpose of illustrating the preferred embodiments of the present invention, and not for the purpose of limiting the scope of the present invention, therefore, all technical changes that can be made by applying the present specification and drawings are included in the scope of the present invention.

Claims

1. A connector assembly including an electrical connector and a mating connector mated with each other, comprising:

the electric connector comprises an insulating seat, at least one row of conductive terminals and at least one grounding lug, wherein the insulating seat is provided with a butt joint surface, a mounting surface arranged opposite to the butt joint surface, a butt joint groove formed by downward sinking of the butt joint surface, and two side walls positioned at two opposite sides of the butt joint groove in a transverse direction, the transverse direction is vertical to the upper and lower directions, each row of the conductive terminals comprises a plurality of signal terminals and a plurality of grounding terminals, each conductive terminal is provided with a fixing part fixed on the insulating seat, a contact part extending into the butt joint groove in the transverse direction and a welding part extending out of the mounting surface, the welding part is bent and extended along the transverse direction relative to the fixing part, the grounding lug is fixed on the insulating seat in the vertical direction, and the grounding lug is positioned at one side of one row of the conductive terminals in the transverse direction, and is connected with at least two grounding terminals in the corresponding row of the conductive terminals in a guiding way, and the grounding sheet and the welding part of the corresponding row of the conductive terminals are positioned at two opposite sides of the fixing part of the corresponding row of the conductive terminals in the transverse direction;

the butting connector comprises an insulating body, at least one row of butting terminals and at least one shielding sheet, wherein the insulating body is provided with a base part, a butting part formed by protruding from the base part, the butting part is inserted in the butting groove, each row of butting terminals comprises a plurality of signal terminals and a plurality of grounding terminals, each butting terminal is provided with a main body part for fixing the base part, a guiding part exposed on one surface of the butting part and a welding foot extending out of the base part, the welding foot is bent and extended along the transverse direction relative to the main body part, the shielding sheet is fixedly installed on the insulating body along the vertical direction, the shielding sheet is positioned on one side of one row of butting terminals in the transverse direction and is in guiding connection with at least two grounding terminals in the corresponding row of butting terminals in the transverse direction, the shielding sheet and the welding feet of the butt-joint terminals in the corresponding row are positioned at two opposite sides of the main body part of the butt-joint terminals in the corresponding row;

after the electric connector is butted with the butting connector, the contact part is electrically contacted with the butting terminal, the guide connection part is electrically contacted with the conductive terminal, for the conductive terminal and the butting terminal which are electrically contacted with each other, the corresponding ground plate and the guide connection part of the butting terminal are positioned on two opposite sides of the conductive terminal in the transverse direction, and the corresponding shielding plate and the contact part of the conductive terminal are positioned on two opposite sides of the butting terminal in the transverse direction.

2. The connector assembly of claim 1, wherein: the electric connector comprises two rows of the conductive terminals and each row of the corresponding conductive terminals, which are arranged on the two opposite sides of the butt joint groove in the transverse direction, the conductive terminals are provided with one grounding lug, the welding parts of the conductive terminals in the two rows bend and extend towards each other in the transverse direction, the butt joint electric connector comprises two rows of the butt joint terminals and each row of the corresponding butt joint terminals, the shielding lugs in the two rows of the butt joint terminals deviate from each other in the transverse direction and bend and extend.

3. The connector assembly of claim 1, wherein: the side wall is provided with a first inner wall face extending along the up-down direction and a boss facing the first inner wall face towards the butt joint groove in the transverse direction, the boss is located below the first inner wall face, the boss is provided with a second inner wall face facing the butt joint groove in the transverse direction, the second inner wall face is connected with the top face of the boss and the groove bottom face of the butt joint groove, the side wall is provided with a row of terminal holes for accommodating one row of conductive terminals, the terminal holes inwards penetrate through the first inner wall face and the second inner wall face and upwards penetrate through the boss, the contact part is protruded into the butt joint groove from the first inner wall face, and at least part of the grounding piece is accommodated in the boss.

4. The connector assembly of claim 3, wherein: the grounding sheet is limited between a vertical plane where the first inner wall surface is located and a vertical plane where the second inner wall surface is located in the transverse direction.

5. The connector assembly of claim 3, wherein: defining the arrangement direction of a row of the conductive terminals as the longitudinal direction, wherein each terminal hole is provided with two fixing grooves for fixing the fixing part, the two fixing grooves are positioned at two opposite sides of the terminal hole in the longitudinal direction, the fixing grooves protrude upwards into the lug boss, and the distance between the top ends of the fixing grooves and the groove bottom surface of the butt joint groove is greater than the distance between the top ends of the fixing grooves and the top surface of the lug boss.

6. The connector assembly of claim 3, wherein: the grounding piece is provided with a flat plate part and a plurality of abutting arms formed by bending and extending from the flat plate part, each grounding terminal abuts against two abutting arms, one abutting arm abuts against the corresponding grounding terminal in the boss, and the other abutting arm abuts against the corresponding grounding terminal below the abutting groove.

7. The connector assembly of claim 3, wherein: the guide connecting part contacts the fixing part at a position corresponding to the boss in the transverse direction, and the contact part abuts against the main body part in the transverse direction, so that the conductive terminal and the butt terminal form two-point contact.

8. The connector assembly of claim 3, wherein: butt joint portion includes from the protruding step portion that forms of stretching of basal portion and from the protruding portion that forms of stretching of step portion, step portion be relative in the transverse direction protruding portion outwards protrudes, protruding portion is located two the lateral wall between the second internal face, step portion is located two the lateral wall between the first internal face, the basal portion outwards appears in the transverse direction step portion, guide connection portion outwards appears in the transverse direction protruding portion, protruding portion is equipped with an at least chamfer structure, thereby protruding portion is the rectangle that lacks an angle at least by the cross-section of horizontal plane intercepting, is used for making the butt joint portion folk prescription is inserted the butt joint groove.

9. The connector assembly of claim 8, wherein: the insulation body is provided with a row of accommodating grooves for accommodating a row of butt joint terminals, the accommodating grooves penetrate through the butt joint part outwards in the transverse direction, the butt joint terminals are provided with elastic arms formed by extending the main body part, the elastic arms are provided with the guiding and connecting parts, the width of the elastic arms in the longitudinal direction is smaller than that of the main body part in the longitudinal direction, and the elastic arms are opposite to the step parts and bend inwards relative to the main body part.

10. The connector assembly of claim 3, wherein: the opposite two sides of the butt joint part in the transverse direction are respectively provided with a downward facing step surface, and after the butt joint part is inserted into the butt joint groove downwards, the step surfaces are positioned above the corresponding bosses and a gap is formed between the step surfaces and the bosses.

11. The connector assembly of claim 1, wherein: the grounding piece comprises a flat plate part and a plurality of abutting arms formed by bending and extending the flat plate part, each grounding terminal in the conductive terminals is in guiding connection with at least one abutting arm, at least part of the flat plate part is overlapped with the main body part in the up-down direction, the shielding piece comprises a flat part and a plurality of abutting elastic pieces formed by bending and extending the flat part, each grounding terminal in the abutting terminals is in guiding connection with at least one abutting elastic piece, and at least part of the flat part is overlapped with the fixed part in the up-down direction.

12. The connector assembly of claim 1, wherein: the grounding piece is provided with a plurality of butting arms, one of the butting arms and one of the row of butt-joint terminals, the guide connection part of the grounding terminal is aligned and butted in the transverse direction to be correspondingly arranged on two opposite sides of the fixing part of the same grounding terminal in the conductive terminals, the shielding piece is provided with a plurality of butting elastic pieces, one of the butting elastic pieces and one of the row of conductive terminals, the contact part of the grounding terminal is aligned and butted in the transverse direction to be correspondingly arranged on two opposite sides of the main body part of the same grounding terminal in the butt-joint terminals.

13. An electrical connector for mating with a mating connector in an up-down direction, the mating connector including at least one row of mating terminals, the electrical connector comprising:

an insulating base;

two rows of conductive terminals, which are arranged in parallel on the insulating base in a transverse direction, the transverse direction is perpendicular to the up-down direction, each row of conductive terminals comprises a plurality of signal terminals and a plurality of grounding terminals, each conductive terminal is provided with a fixing part, a contact part and a welding part, the fixing part is fixed on the insulating base, the contact part is used for electrically contacting with a guide connection part of the butt-joint terminal, and the welding part extends downwards out of the insulating base and is bent and extended along the transverse direction relative to the fixing part;

two ground lugs, along the direction from top to bottom the installation be fixed in insulator, each the ground lug corresponds to be located one of them row conductive terminal is in one side of transverse direction, and with correspond row at least two in the conductive terminal ground terminal leads connects, in transverse direction, the ground lug with correspond to arrange conductive terminal the welding part is located and corresponds row conductive terminal the relative both sides of fixed part, the ground lug with correspond row conductive terminal corresponds butt joint terminal is located and corresponds row conductive terminal's relative both sides.

14. The electrical connector of claim 13, wherein: the insulating base is provided with a butt joint face, a butt joint groove formed by downwards concave arrangement of the butt joint face and two side walls positioned at two opposite sides of the butt joint groove, the side walls are provided with a first inner wall face extending along the up-down direction and a boss formed by extending towards the butt joint groove in the transverse direction relative to the first inner wall face, the boss is positioned below the first inner wall face and provided with a second inner wall face facing the butt joint groove in the transverse direction, the second inner wall face is connected with the top face of the boss and the groove bottom face of the butt joint groove, the side walls are provided with a row of terminal holes for accommodating a row of conductive terminals, the terminal holes inwards penetrate through the first inner wall face and the second inner wall face and upwards penetrate through the boss, each accommodating hole accommodates one conductive terminal, and the conductive terminals extend into the first inner wall face from the upper part of the boss in the transverse direction, and the contact portion protrudes into the mating groove from the first inner wall surface.

15. The electrical connector of claim 14, wherein: and in the same row among the conductive terminal, two of adjacent setting signal terminal constitutes differential signal pair, is equipped with two intervals between two adjacent differential signal pair and sets up ground terminal, the grounding piece has a flat board portion and certainly a plurality of butt joint arms that the flat board portion is buckled and is extended formation, each ground terminal with wherein two butt joint arm butt, one of them butt joint arm is in the boss with correspond ground terminal butt, another butt joint arm is in the below in butt joint groove with correspond ground terminal butt.

16. The electrical connector of claim 13, wherein: the welding parts of the two rows of conductive terminals extend downwards to form the insulating seat and extend oppositely to each other in the transverse direction, and the fixing parts of the two rows of conductive terminals are positioned between the two grounding pieces in the transverse direction.

17. The electrical connector of claim 13, wherein: each row the conductive terminal is arranged along a lengthwise direction, lengthwise direction perpendicular to upper and lower direction and transverse direction, the butt joint groove is equipped with connects two terminal wall surfaces of first internal face, two the terminal wall surface sets up relatively in the lengthwise direction, first internal face with end wall surface junction forms a corner, the butt joint groove is equipped with the chamfer structure in wherein at least one corner, thereby the cross-section of butt joint groove by horizontal plane intercepting is the rectangle that lacks an angle at least, is used for supplying the butt joint connector unilateral inserts.

18. The electrical connector of claim 13, wherein: in each row of the conductive terminals, two adjacent ground terminals and two adjacent signal terminals are alternately arranged one by one, the two adjacent signal terminals form a differential signal terminal pair, and the ground sheet is provided with at least one butting arm corresponding to each ground terminal in the same row of the conductive terminals and butted with the ground sheet.