CN214754494U

CN214754494U - Connector with a locking member

Info

Publication number: CN214754494U
Application number: CN202023347350.5U
Authority: CN
Inventors: 李志杰; 许红星; 张标
Original assignee: Lotes Co Ltd
Current assignee: Lotes Co Ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-11-16
Anticipated expiration: 2030-12-31

Abstract

The utility model discloses a connector, it is pegged graft along first direction with the butt joint piece, include: the insulating body is provided with a butt joint surface in a first direction, the insulating body comprises a slot, a row of conductive terminals comprises signal terminals and a ground terminal arranged adjacent to the signal terminals, the signal terminals comprise first main body parts, first guide connection parts extending from the first main body parts, first elastic arms extending from the first main body parts to the butt joint surface and provided with first contact parts, the ground terminal comprises second main body parts, two fixing and holding parts formed by bending and extending from two opposite sides of the second main body parts in a second direction, second guide connection parts formed by extending from one of the second main body parts and the fixing and holding parts, and second elastic arms extending from each fixing and holding part towards the butt joint surface and provided with second contact parts, the second contact parts deviate from the fixing and holding parts in the second direction, so that the two second contact parts are close to each other in the second direction, and the first contact parts and the second contact parts are protruded into the slot, the holding part is fixed on the insulating body.

Description

Connector with a locking member

[ technical field ] A method for producing a semiconductor device

The present invention relates to a connector, and more particularly to a connector for inserting an electronic card.

[ background of the invention ]

In the prior art, in order to ensure the transmission performance of the connector, the ground terminals and the signal terminals are arranged in a row at intervals in a staggered manner along a second direction perpendicular to the first direction, and two ground terminals are arranged between two signal terminals, and the ground terminals and the signal terminals are arranged at equal intervals, so as to meet the requirements on the electrical performance of the connector in practical application and facilitate assembly, but for a connector with a certain volume, because the number of the ground terminals is increased, in order to keep the balance of the performance of the connector, the number of the signal terminals for transmitting signals is reduced, and the reduction of the signal terminals can reduce the transmission efficiency of the connector, thereby further influencing the transmission performance of the connector, in addition, the grounding terminal and the signal terminal adjacent to the grounding terminal in the prior art have the same thickness in a third direction perpendicular to the first direction and the second direction, so that the shielding area of the grounding terminal to the signal terminal adjacent to the grounding terminal in the second direction is small, the crosstalk between the signal terminals is large, and the signal transmission performance of the connector is poor.

Therefore, there is a need for a new connector to overcome the above problems.

[ Utility model ] content

An object of the present invention is to provide a ground terminal with multiple ground paths, thereby improving the connector with high frequency performance.

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

a connector for mating with a mating member in a first direction, comprising: the insulating body comprises a mounting surface and a butt joint surface which are oppositely arranged along the first direction, the insulating body is concavely arranged along the direction of the butt joint surface to the mounting surface to form a slot for inserting the butt joint piece, the insulating body is provided with two side wall surfaces positioned on two opposite sides of the slot, at least one row of terminal slots are arranged on at least one side of the slot of the insulating body, each terminal slot in one row penetrates through one side wall surface to be communicated with the slot, and the terminal slot penetrates through the mounting surface backwards;

at least one row of conductive terminals, each row of conductive terminals being arranged along a second direction, the second direction being perpendicular to the first direction, the conductive terminals being inserted into the terminal grooves along the direction of the mounting surface toward the mating surface, wherein the row of conductive terminals includes at least one signal terminal and at least one ground terminal, at least one side of each signal terminal being provided with at least one ground terminal adjacent to the signal terminal, the terminal groove defining the signal terminal as the signal terminal groove, the terminal groove defining the ground terminal as the ground terminal groove, the signal terminal including a first main body portion, a first conductive portion extending from the first main body portion, a first elastic arm extending from the first main body portion toward the mating surface, the first elastic arm having a first contact portion, the ground terminal including a second main body portion, a second elastic arm, and a second elastic arm, The second contact part is offset from the corresponding holding part in the second direction, so that the two second contact parts are close to each other in the second direction.

Furthermore, the ground terminal further comprises a bending part connecting the second main body part and each fixing part, the ground terminal groove comprises a limiting part, and the bending part and the second main body part are limited by the limiting part so as to prevent the ground terminal from being excessively inserted into the ground terminal groove.

Further, the two second contact portions contact each other in the second direction.

Furthermore, in the second direction, two opposite sides of the ground terminal are respectively provided with an adjacent signal terminal, and each holding portion is closer to the signal terminal adjacent to the ground terminal than the corresponding second contact portion in the second direction, so that the crosstalk between the signal terminals can be better reduced in the second direction, and the signal transmission performance of the connector is improved.

Furthermore, the two second contact portions are electrically connected to the same conductive pad of the mating part.

Further, only one of the two holding portions of the ground terminal has a through hole penetrating through the holding portion in the second direction, and the ground terminal improves high-frequency performance of the connector by asymmetric design of the two holding portions.

Further, a third direction is defined, the third direction is perpendicular to the first direction and the second direction, the second main body portion abuts against the groove wall of the corresponding grounding terminal groove in the third direction, and each holding portion abuts against the groove wall of the corresponding grounding terminal groove in the third direction, so that the holding portion is held in the third direction, the distance between the holding portion and the signal terminal is guaranteed to be unchanged, and the magnetic field around the signal terminal is stable.

Further, the ground terminal slot includes a first slot and a second slot that are mutually communicated in the first direction, the second slot is disposed closer to the abutting surface than the first slot, the two holding portions are accommodated in the first slot, the second contact portion protrudes into the slot at the position of the second slot, in the second direction, the width of the second slot on the corresponding side wall surface is smaller than the width of the first slot on the corresponding side wall surface to accommodate the two holding portions, and the second slot limits the second contact portion from excessively swinging in the second direction.

Further, in the second direction, the width of the signal terminal groove is different from the width of the first groove on the corresponding side wall surface, and the width of the first groove is greater than the width of the signal terminal groove.

Furthermore, the first groove comprises two first groove walls which are oppositely arranged in the second direction, the insulating body is provided with a convex part which protrudes into the first groove and is positioned between the two first groove walls in the second direction, a limit groove is formed between each first groove wall and the convex part, and parts of the two fixing parts are correspondingly accommodated in the two limit grooves one by one so as to prevent the ground terminal from swinging in the second direction and ensure the electric connection performance of the connector.

Furthermore, the groove walls of the two opposite sides of the signal terminal groove in the second direction are respectively provided with a groove along the first direction in a concave mode, the grooves penetrate through the mounting surface and do not penetrate through the butt joint surface, the grooves are arranged in the first direction and correspond to the first main body portion, so that when the signal terminal is inserted into the insulating body from the mounting surface, friction is reduced, and meanwhile the strength of a workpiece for forming the signal terminal groove can be increased when the insulating body is subjected to injection molding.

Furthermore, the signal terminal grooves penetrate through the butt joint surface along the first direction, the insulating body further comprises at least one expansion groove formed by the butt joint surface and the mounting surface in a concave mode, each expansion groove is communicated with one signal terminal groove, when the butt joint surface faces the mounting surface, the width of each expansion groove in the second direction is larger than that of each signal terminal groove in the second direction, the expansion grooves improve the strength of a workpiece for forming the signal terminal grooves when the insulating body is subjected to injection molding, the workpiece can be prevented from being broken due to the fact that the workpiece is too thin, and therefore the yield of the insulating body is improved.

Further, the signal terminal has a through hole penetrating the first main body part in the second direction, and the through hole is arranged corresponding to the holding part in the second direction so as to adjust the impedance of the signal terminal.

Further, the signal terminal further includes a first riveting portion extending from the first main body portion toward the mounting surface along the first direction, and the ground terminal further includes at least one second riveting portion extending from the at least one holding portion toward the mounting surface along the first direction.

Furthermore, the first riveting portion and the second riveting portion are arranged in a flush mode in the first direction, and therefore the riveting tool is simplified.

Further, the first riveting portion is arranged at an interval with the first main body portion in the second direction, a first hollow portion is formed between the first riveting portion and the first main body portion, the second riveting portion is arranged at an interval with the second main body portion in the second direction, a second hollow portion is formed between the second riveting portion and the second main body portion, the first hollow portion is arranged corresponding to the second hollow portion in the second direction, and the ground terminal is prevented from being incapable of shielding the signal terminal adjacent to the ground terminal due to the arrangement of the second hollow portion, so that the signal transmission performance of the connector is poor.

Furthermore, the signal terminal is a blanking terminal formed by stamping a metal plate, and the grounding terminal is formed by stamping and bending a metal plate.

Furthermore, the ground terminal further comprises at least one connecting portion arranged on at least one side of the second main body portion, the connecting portion is arranged in a protruding mode relative to the second main body portion in the second direction, and a bending surface which continuously extends and is recessed inwards in the second direction is arranged between the connecting portion and the bending portion on the same side of the second main body portion in the first direction, so that the bending forming of the bending portion is facilitated.

Furthermore, the two opposite sides of the second main body part are provided with a connecting part, the second connecting parts are connected between the two connecting parts and the second main body part, and the first connecting parts and the second connecting parts are welded on the circuit board by adopting a surface welding technology.

Further, in the second direction, the width of the second lead connection part is larger than that of the first lead connection part.

Compared with the prior art, the invention has the following beneficial effects: two sides of the second main body part of the grounding terminal are bent and extended to form two holding parts, the two holding parts can effectively increase the shielding area for shielding adjacent signal terminals in the third direction, two second elastic arms are extended from the two holding parts to the direction of the butt joint surface, each second elastic arm is provided with a second contact part, namely, the grounding terminal is provided with two grounding passages for conduction, and the second contact parts are offset in the second direction compared with the corresponding holding parts, so that the two second contact parts are close to each other in the second direction, and the crosstalk among the signal terminals in a row is further reduced.

[ description of the drawings ]

Fig. 1 is a perspective view of the connector, the mating member and the circuit board according to the preferred embodiment of the present invention;

FIG. 2 is a cross-sectional view of FIG. 1 taken along the width of the insulator body;

FIG. 3 is a perspective assembly view of the connector of FIG. 1;

FIG. 4 is a top view of FIG. 3;

FIG. 5 is a perspective cross-sectional view A-A of the connector of FIG. 4;

FIG. 6 is an enlarged view of B in FIG. 5;

FIG. 7 is a plan sectional view of the connector of FIG. 4 taken along A-A;

FIG. 8 is an enlarged view of C in FIG. 7;

fig. 9 is a perspective view of a portion of the terminal in fig. 1 from another perspective after being assembled to the insulating body;

FIG. 10 is an enlarged view of D in FIG. 9;

FIG. 11 is a front view of the hidden insulator of FIG. 1;

fig. 12 is a perspective view of a portion of the ground and signal terminals of fig. 3;

fig. 13 is a front view of one ground terminal and an adjacent one signal terminal of fig. 12.

Connector 100	Insulating body 1	Abutting surface 101
			Mounting face 102	Socket 10	Side wall surface 11
Signal terminal groove 12	Ground terminal groove 13	First groove wall 13a
			Connection surface
13b	First groove 131	Second groove 132
			Stopper 133	Partition wall 14	Partition 15
Groove 16	Convex part 17	Limiting groove 18
			Expansion slot 19	Signal terminal 2	First body part 21
First lead-in part 22	First elastic arm 23	First contact portion 231
			Through hole 24	First riveting portion 25	The first hollow part 26
Grounding terminal 3	Second body portion 31	Holding part 32
			Second lead-in part 33	Second resilient arm 34	Second contact portion 341
Through hole 35	A bent portion 36	Second riveting portion 37
			Second hollowed-out portion 38	Connecting part 39	Curved surface 40
Docking piece 200	Conducting pad 201	Circuit board 300

[ detailed description ] embodiments

For better understanding of the objects, structures, features, and functions of the present invention, reference should now be made to the drawings and detailed description of the invention.

Fig. 1 to 13 show a preferred embodiment of the connector 100 of the present invention. The connector 100 of the present invention electrically connects a mating member 200 and a circuit board 300, the connector 100 and the mating member 200 are inserted into each other along a first direction, the connector 100 includes an insulator 1 and at least one row of conductive terminals fixed on the insulator 1, the conductive terminals are electrically connected to the mating member 200 and the circuit board 300 respectively, each row of the conductive terminals is arranged along a second direction and includes at least one signal terminal 2 and at least one ground terminal 3, at least one side of each signal terminal 2 is provided with one ground terminal 3 adjacent to the signal terminal, in this embodiment, the conductive terminals are provided with two rows, the conductive terminals are arranged in two rows along a third direction, the first direction, the second direction and the third direction are perpendicular to each other, each row of the conductive terminals includes a plurality of signal terminals 2 and a plurality of ground terminals 3, the docking member 200 is an electronic card, the first direction is an up-down direction, and the first direction may be changed according to a requirement so as not to be the up-down direction. In other embodiments, the docking member 200 may be a plug connector, or other components.

For ease of understanding, the first direction, the second direction, and the third direction are projected into an XYZ coordinate system, the first direction being represented by a Z-axis, the second direction being represented by an X-axis, and the third direction being represented by a Y-axis.

As shown in fig. 1 and fig. 3, the insulating body 1 is made of an insulating plastic material, the insulating body 1 has a mating surface 101 and a mounting surface 102 oppositely disposed along the first direction, the mounting surface 102 is configured to be mounted on the circuit board 300, in this embodiment, the mating surface 101 is a top surface of the insulating body 1, and the mounting surface 102 is a bottom surface of the insulating body 1. A slot 10 is formed by recessing from the mating surface 101 toward the mounting surface 102 for inserting the mating member 200. The insulating body 1 has two side wall surfaces 11 located at two opposite sides of the slot 10, and the two side wall surfaces 11 are arranged oppositely in the second direction.

As shown in fig. 4 and 5, the insulating body 1 is provided with a row of terminal grooves on two opposite sides of the slot 10, the row of terminal grooves is configured to receive a row of conductive terminals, the terminal groove for receiving the signal terminal 2 is defined as a signal terminal groove 12, the terminal groove for receiving the ground terminal 3 is defined as a ground terminal groove 13, the signal terminal groove 12 and the ground terminal groove 13 respectively penetrate through the corresponding side wall surfaces 11 and communicate with the slot 10, and each signal terminal groove 12 and each ground terminal groove 13 penetrate through the mating surface 101 and the mounting surface 102 in the first direction. The conductive terminals are inserted into the corresponding terminal grooves from the mounting surface 102 toward the mating surface 101.

As shown in fig. 2, 6 and 9, the insulation body 1 further has a partition wall 14 for separating two rows of the terminal slots in the third direction, the partition wall 14 is located at the bottom of the insertion slot 10, two adjacent terminal slots in each row are separated by a partition rail 15, and the partition rail 15 is connected to the partition wall 14 in the third direction.

As shown in fig. 6, 8 and 10, grooves 16 are respectively recessed along the first direction on the groove walls of the signal terminal groove 12 on the two opposite sides in the second direction, and the grooves 16 penetrate the mounting surface 102 but do not penetrate the mating surface 101.

As shown in fig. 7 and 8, the ground terminal groove 13 includes a first groove 131 and a second groove 132 that are communicated with each other in the first direction, the second groove 132 is disposed closer to the mating surface 101 than the first groove 131, in the second direction, the width of the first groove 131 on the corresponding side wall surface 11 is D1, the width of the second groove 132 on the corresponding side wall surface 11 is D2, and D2 is smaller than D1, the width of the signal terminal groove 12 on the corresponding side wall surface 11 is D3, and D3 is smaller than D1 and D2. The first groove 131 is further provided with a limiting portion 133, and the limiting portion 133 is a groove wall surface of the first groove 131 facing the mounting surface 102 in the first direction. In this embodiment, the limiting portion 133 is disposed on a side of the first groove 131 away from the slot 10 in the third direction.

As shown in fig. 6 and 8, the first groove 131 has two first groove walls 13a arranged opposite to each other in the second direction, the first groove wall 13a of the first groove 131 corresponding to the first direction is connected to the groove wall of the second groove 132 corresponding to the first direction by a connection surface 13b, and the connection surface 13b is inclined with respect to the first direction, so that the two connection surfaces 13b are arranged close to each other in a direction from the first groove 131 toward the second groove 132. The insulation body 1 has a convex portion 17 corresponding to each of the ground terminal grooves 13, the convex portion 17 is formed by protruding from the partition wall 14 toward the inside of the ground terminal groove 13 in the third direction and is located between the two first groove walls 13a, and the convex portion 17 and each of the two first groove walls 13a form a limiting groove 18 in the second direction.

As shown in fig. 1, 3 and 4, the insulation body 1 further includes a plurality of expansion slots 19 recessed from the mating surface 101 toward the mounting surface 102, each expansion slot 19 is communicated with one signal terminal slot 12, in this embodiment, the expansion slot 19 is communicated with the corresponding signal terminal slot 12 in the third direction, when viewed from the mating surface 101 toward the mounting surface 102, the width of the expansion slot 19 in the second direction is greater than the width of the signal terminal slot 12 in the second direction, and the expansion slot 19 increases the strength of a workpiece for molding the signal terminal slot 12 when the insulation body 1 is injection molded, thereby further improving the yield of molding the insulation body 1.

As shown in fig. 11 and 12, in the second direction, at least one signal terminal 2 is disposed between two adjacent ground terminals 3 in each row of the conductive terminals, in this embodiment, only one signal terminal 2 is disposed between two adjacent ground terminals 3, and in other embodiments, two signal terminals 2 may be disposed for transmitting differential signals.

As shown in fig. 2, 12 and 13, the signal terminal 2 is a blanking type terminal formed by stamping a metal plate, the signal terminal 2 includes a first main body portion 21, a first guiding portion 22 disposed at one end of the first main body portion 21, and a first elastic arm 23 disposed at the other end of the first main body portion 21, the first elastic arm 23 is provided with a first contact portion 231, specifically, the first main body portion 21 interferes with a groove wall of the signal terminal groove 12 in the third direction, so as to fix the signal terminal 2 to the insulating body 1, the first elastic arm 23 extends from the first main body portion 21 toward the direction of the mating surface 101, the first contact portion 231 protrudes into the slot 10 in the third direction, the first guiding portion 22 is formed by bending and extending from the first main body portion 21 in the third direction away from the slot 10, and reveals the mounting face 102 in the first direction.

As shown in fig. 2, 12 and 13, the signal terminal 2 includes a through hole 24 penetrating through the first body portion 21 in the second direction, and a first rivet portion 25 extending from each of the first body portions 21 toward the mounting surface 102 along the first direction, the first rivet portion 25 is formed by vertically extending downward from a bottom end of the first body portion 21 on one side of the third direction, that is, the first rivet portion 25 and the first body portion 21 are located on the same vertical plane, and the first rivet portion 25 is spaced from the first body portion 21 in the second direction and forms a first hollow portion 26 therebetween.

As shown in fig. 2, 12 and 13, the ground terminal 3 is formed by stamping and bending a metal plate, the ground terminal 3 includes a second main body 31, two holding portions 32 disposed on two opposite sides of the second main body 31 in the second direction and approximately perpendicular to the second main body 31 in the third direction, a second guiding portion 33 disposed at one end of the second main body 31 or one of the holding portions 32, and a second elastic arm 34 disposed at the other end of each holding portion 32, each second elastic arm 34 has a second contact portion 341, in this embodiment, the second guiding portion 33 is connected to one end of the second main body 31, specifically, the two holding portions 32 are formed by bending and extending from the second main body 31, the main body 31 and the two holding portions 32 on the same side are both received in the first groove 131, the second elastic arm 34 extends from the corresponding second main body 31 toward the direction of the mating surface 101, the second contact portion 341 protrudes into the slot 10 at the position of the second groove 132 in the third direction and is electrically contacted with the mating part 200, and the second guide portion 33 is bent and extends from the second main body 31 in the third direction away from the slot 10 and exposes the mounting surface 102 in the first direction. In the second direction, the distance between two holding portions 32 of the same ground terminal 3 is greater than the distance between each holding portion 32 and its adjacent first main body portion 21, so that the holding portions 32 can closely shield the signal terminals 2.

As shown in fig. 6, 8 and 13, each of the second contact portions 341 of the ground terminal 3 is offset from the corresponding holding portion 32 in the second direction, such that the two second contact portions 341 are close to or in contact with each other in the second direction and are electrically conducted with the same conductive pad 201 of the docking piece 200, and thus each of the holding portions 32 is closer to the signal terminal 2 adjacent to the ground terminal 3 than the corresponding second contact portion 341 in the second direction.

As shown in fig. 12, the holding portions 32 are disposed corresponding to the through holes 24 of the signal terminals 2 in the second direction, and only one of the two holding portions 32 of the ground terminal 3 has a through hole 35, and the through hole 35 penetrates through the holding portion 32 in the second direction. In the same row of the conductive terminals, two adjacent fixing parts 32 are arranged on two sides of the first main body part 21 of the same signal terminal 2, one fixing part 32 is provided with the through hole 35, and the other fixing part is not provided with the through hole 35, so that the two sides of the signal terminal 2 are asymmetrically arranged, the geometric shape of the magnetic field around the signal terminal 2 is changed, resonance points of the two parts are scattered, the scattered resonance points move towards a higher frequency direction, the frequency of the resonance points appearing in a low frequency direction is reduced, and the requirement of the electric connector 100 on high frequency is met.

As shown in fig. 8, the width of the first lead-in portion 22 in the second direction is W1, the width of the second lead-in portion 33 in the second direction is W2, and W2 is larger than W1; the first lead connection portion 22 and the second lead connection portion 33 are soldered to the circuit board 300 by surface soldering.

As shown in fig. 10 and 12, the ground terminal 3 further includes a bent portion 36 connecting the second main body portion 31 and each of the holding portions 32, in this embodiment, a top surface of the bent portion 36 is flush with a top surface of the second main body portion 31. The two holding portions 32 are correspondingly restricted by the two restricting grooves 18 to prevent the ground terminal 3 from excessively swinging in the second direction, thereby ensuring the electrical connection performance of the connector 100. The limiting portion 133 in each ground terminal groove 13 stops the two bending portions 36 and the second main body portion 31 of the corresponding ground terminal 3, so as to prevent the ground terminal 3 from being excessively inserted into the ground terminal groove 13.

As shown in fig. 2, the second body portion 31 of the ground terminal 3 abuts against the groove wall of the ground terminal groove 13 in the third direction, and each of the holding portions 32 of the same ground terminal 3 abuts against the groove wall of the ground terminal groove 13 in the third direction (i.e., the holding portion 32 interferes with the partition wall 14 in the third direction), so as to fix the ground terminal 3 in the third direction.

As shown in fig. 2, 12 and 13, each of the ground terminals 3 further includes a second rivet portion 37 extending from each of the holding portions 32 toward the mounting surface 102 along the first direction, and the second rivet portion 37 and the first rivet portion 25 are flush with each other in the first direction, so that the riveting tool is simplified, and only one riveting plane needs to be arranged on the riveting tool, and the first rivet portion 25 and the second rivet portion 37 need to be riveted at the same time, without arranging riveting planes with different heights.

As shown in fig. 2, 12 and 13, the second rivet portion 37 is disposed at an interval from the second body portion 31 in the second direction, and a second hollow portion 38 is formed therebetween, and the second hollow portion 38 is disposed corresponding to the first hollow portion 26 in the second direction, so as to prevent the signal terminal 2 adjacent to the ground terminal 3 at the position of the second hollow portion 38 from being unable to be shielded by the ground terminal 3 due to the disposition of the second hollow portion 38, and thus the transmission performance of the connector 100 is poor.

As shown in fig. 8 and 13, the ground terminal 3 further includes two connecting portions 39 disposed on two opposite sides of the second main body portion 31, the connecting portions 39 are protruded from the second main body portion 31 in the second direction, the connecting portions 39 are located below the bent portion 36, and the second guiding portion 33 is connected to the second main body portion 31 between the two connecting portions 39. In the first direction, a curved surface 40 continuously extending and inwardly recessed in the second direction is provided between the connecting portion 39 and the bending portion 36 on the same side of the second body portion 31, and the curved surface 40 is convenient for bending and forming the bending portion 36.

To sum up, the utility model discloses connector 100 has following beneficial effect:

1. the ground terminal 3 includes two holding portions 32 disposed on two opposite sides of the second body portion 31, one second elastic arm 34 disposed at the other end of each holding portion 32, each second elastic arm 34 has one second contact portion 341, and the second contact portion 341 is offset from the corresponding holding portion 32 in the second direction, such that the two second contact portions 341 are close to or abut against each other in the second direction, that is, in the first direction, the ground terminal 3 has two ground paths, and each holding portion 32 of the ground terminal 3 in the second direction is closer to the signal terminal 2 adjacent to the ground terminal 3 than the corresponding second contact portion 341 in the second direction, so as to design to preferably reduce crosstalk between the signal terminals 2, the signal transmission performance of the connector 100 is improved.

2. The two holding portions 32 are formed by bending and extending the second main body portion 31 toward the same side, so that the two holding portions 32 can effectively increase the shielding area for shielding the adjacent signal terminals 2 in the third direction, and further improve the problem of the reduction of the signal transmission performance of the connector 100 caused by crosstalk between the signal terminals 2.

3. The width of the second guiding connection part 33 in the second direction is greater than the width of the first guiding connection part 22 in the second direction, so that the second guiding connection part 33 is closer to the first guiding connection part 22, the distance between the two parts is shortened, and the shielding effect is good.

4. The insulating body 1 is provided with the expansion groove 19 in a concave manner from the butting surface 101 to the mounting surface 102, the expansion groove 19 is communicated with the signal terminal groove 12, and the expansion groove 19 can improve the strength of a workpiece for forming the signal terminal groove 12 and the yield of a product when the insulating body 1 is subjected to injection molding.

5. The groove walls of the two opposite sides of the signal terminal groove 12 in the second direction are respectively recessed along the first direction to form the groove 16, the groove 16 penetrates through the mounting surface 102 and does not penetrate through the butt joint surface 101, the groove 16 corresponds to the first main body part 21 in the first direction, so that the signal terminal 2 is inserted into the insulating main body from the mounting surface 102, friction force is reduced, the signal terminal is easy to insert, and the strength of a workpiece for forming the signal terminal groove 12 can be increased during injection molding of the insulating main body 1.

6. The signal terminal 2 is the unloading formula terminal that is formed by a sheet metal punching press, ground terminal 3 is by a sheet metal punching press and bending type, so the design can make signal terminal 2 is in the second direction (promptly on the array direction of conductive terminal) occupies less space, thereby guarantees under the unchangeable condition of connector 100 volume, for ground terminal 3 leaves more design space, makes with the maximize ground terminal 3 sets up the shielding signal terminal 2's shielding structure, improves connector 100's shielding effect, makes connector 100's high frequency performance can promote.

7. The ground terminal 3 is fixed to the thicker sidewall of the insulation housing 1 corresponding to the ground terminal groove 13 in the third direction, so that the insulation housing 1 is not easily damaged by the insertion of the ground terminal 3.

8. The insulation body 1 is provided with the limiting groove 18, so that a part of the holding portion 32 is accommodated in the limiting groove 18, and the swing of the ground terminal 3 in the second direction is limited, thereby further ensuring the stability of the electrical connection of the connector 100.

9. The first riveting portion 25 and the second riveting portion 37 are arranged in the first direction in a flush mode, so that a riveting tool is simplified, and a row of conductive terminals can be conveniently inserted.

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 the equivalent technical changes applying the present specification and the drawings are included in the scope of the present invention.

Claims

1. A connector for mating with a mating member in a first direction, comprising:

the insulating body comprises a mounting surface and a butt joint surface which are oppositely arranged along the first direction, the insulating body is concavely arranged along the direction of the butt joint surface to the mounting surface to form a slot for inserting the butt joint piece, the insulating body is provided with two side wall surfaces positioned on two opposite sides of the slot, at least one row of terminal slots are arranged on at least one side of the slot of the insulating body, each terminal slot in one row penetrates through one side wall surface to be communicated with the slot, and the terminal slot penetrates through the mounting surface backwards;

2. The connector of claim 1, wherein: the grounding terminal also comprises a bending part which is connected with the second main body part and each fixing part, the grounding terminal groove comprises a limiting part, and the bending part and the second main body part are limited by the limiting part so as to prevent the grounding terminal from being excessively inserted into the grounding terminal groove.

3. The connector of claim 1, wherein: the two second contact portions contact each other in the second direction.

4. The connector of claim 1, wherein: in the second direction, two opposite sides of the ground terminal are respectively provided with an adjacent signal terminal, and each holding portion is closer to the signal terminal adjacent to the ground terminal than the corresponding second contact portion in the second direction.

5. The connector of claim 1, wherein: the two contact parts are electrically connected with the same conductive pad of the butt joint part.

6. The connector of claim 1, wherein: only one of the two holding portions of the ground terminal has a through hole penetrating the holding portion in the second direction.

7. The connector of claim 1, wherein: defining a third direction, the third direction being perpendicular to the first direction and the second direction, the second main body portion abutting against the groove wall of the corresponding ground terminal groove in the third direction, and each of the holding portions abutting against the groove wall of the corresponding ground terminal groove in the third direction.

8. The connector of claim 1, wherein: the grounding terminal groove comprises a first groove and a second groove which are mutually communicated in the first direction, the second groove is arranged close to the butt joint surface compared with the first groove, the two fixing parts are contained in the first groove, the second contact part protrudes into the slot at the position of the second groove, and in the second direction, the width of the second groove on the corresponding side wall surface is smaller than the width of the first groove on the corresponding side wall surface.

9. The connector of claim 8, wherein: in the second direction, the width of the signal terminal groove and the width of the first groove on the corresponding side wall surface are different, and the width of the first groove is larger than that of the signal terminal groove.

10. The connector of claim 8, wherein: the first groove comprises two first groove walls which are oppositely arranged in the second direction, the insulating body is provided with a convex part which protrudes into the first groove and is positioned between the two first groove walls in the second direction, a limiting groove is formed between each first groove wall and the convex part, and parts of the two fixing parts are correspondingly accommodated in the two limiting grooves one by one.

11. The connector of claim 1, wherein: the groove walls of the two opposite sides of the signal terminal groove in the second direction are respectively provided with a groove along the first direction in a concave mode, the grooves penetrate through the mounting surface but do not penetrate through the butt joint surface, and the grooves are arranged corresponding to the first main body portion in the first direction.

12. The connector of claim 11, wherein: the signal terminal groove penetrates through the butting surface along the first direction, the insulating body further comprises at least one expansion groove formed by recessing from the butting surface towards the mounting surface, each expansion groove is communicated with one signal terminal groove, and the width of each expansion groove in the second direction is larger than that of each signal terminal groove in the second direction when the butting surface faces the mounting surface.

13. The connector of claim 1, wherein: the signal terminal is provided with a through hole penetrating through the first main body part in the second direction, and the through hole is arranged corresponding to the holding part in the second direction.

14. The connector of claim 1, wherein: the signal terminal further comprises a first riveting portion extending from the first main body portion towards the mounting surface along the first direction, and the grounding terminal further comprises at least one second riveting portion extending from the at least one holding portion towards the mounting surface along the first direction.

15. The connector of claim 14, wherein: the first riveting portion and the second riveting portion are arranged in the first direction in a flush mode.

16. The connector of claim 14, wherein: the first riveting portion and the first main body portion are arranged at intervals in the second direction, a first hollow portion is formed between the first riveting portion and the first main body portion, the second riveting portion and the second main body portion are arranged at intervals in the second direction, a second hollow portion is formed between the second riveting portion and the second main body portion, and the first hollow portion and the second hollow portion are arranged correspondingly in the second direction.

17. The connector of claim 1, wherein: the signal terminal is a blanking terminal formed by stamping a metal plate, and the grounding terminal is formed by stamping and bending a metal plate.

18. The connector of claim 2, wherein: the grounding terminal further comprises at least one material connecting part arranged on at least one side of the second main body part, the material connecting part is arranged in the second direction in a protruding mode relative to the second main body part, and a bending surface which continuously extends and is inwards recessed in the second direction is arranged between the material connecting part and the bending part on the same side of the second main body part in the first direction.

19. The connector of claim 17, wherein: the two opposite sides of the second main body part are respectively provided with a connecting part, the second connecting parts are connected between the two connecting parts and the second main body part, and the first connecting parts and the second connecting parts are welded on the circuit board by adopting a surface welding technology.

20. The connector of claim 17, wherein: in the second direction, the width of the second lead-in part is larger than that of the first lead-in part.