CN211126329U

CN211126329U - Electrical connector

Info

Publication number: CN211126329U
Application number: CN201921983754.8U
Authority: CN
Inventors: 吴瑶; 张文昌; 张标; 殷佳旭; 梁崇成
Original assignee: Lotes Guangzhou Co Ltd
Current assignee: Lotes Guangzhou Co Ltd
Priority date: 2019-11-15
Filing date: 2019-11-15
Publication date: 2020-07-28
Anticipated expiration: 2029-11-15

Abstract

The utility model discloses an electric connector, it includes insulator and locates insulator's ground terminal, insulator includes two lateral walls that set up relatively on the transverse direction and is located the slot between two lateral walls, the lateral wall is equipped with the surface, be equipped with holding tank and the logical groove that holds ground terminal on the lateral wall, lead to the groove from the surface of lateral wall concave establish and with the holding tank intercommunication, be equipped with electrically conductive plastic in leading to the groove, ground terminal in the electrically conductive plastic butt holding tank, lead to the groove and be equipped with first stop face and the second stop face that the interval set up, first stop face and second stop face all are located between the surface that corresponds and the holding tank that corresponds, first stop face is used for the electrically conductive plastic that the stop corresponds to remove towards the surface that corresponds, the second stop face is used for the electrically conductive plastic that the stop corresponds to remove towards the holding tank that corresponds. The utility model discloses an electric connector stabilizes the butt in order to realize high frequency transmission and reduce crosstalk interference through ground terminal in electrically conductive plastic and insulator.

Description

Electrical connector

[ technical field ] A method for producing a semiconductor device

The present invention relates to an electrical connector, and more particularly to an electrical connector with high frequency performance.

[ background of the invention ]

In order to meet the increasing demand of the computer industry for the amount and speed of information processing, high frequency transmission is the first problem to be solved by the electrical connector. In order to solve the above problems, an existing electrical connector includes an insulating body, and a plurality of ground terminals and a plurality of signal terminals that are disposed in the insulating body, where the insulating body includes two side walls that are disposed opposite to each other in a transverse direction and a slot that is located between the two side walls, each of the side walls is provided with a plurality of signal terminals and a plurality of ground terminals, and ground terminals are distributed on two sides of a pair of signal terminals that transmit high-speed differential signals, so as to implement high-frequency transmission. However, as the requirement of transmission rate increases and the requirement of high frequency performance increases, the above design cannot effectively meet the above requirement because the unequal potential difference between the ground terminals can generate ground mode resonance.

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

[ Utility model ] content

An object of the utility model is to provide an energy in order to reduce resonance point department through the stable butt of ground terminal in electrically conductive plastic and insulator, and then realize high frequency transmission's electric connector.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an electrical connector comprises an insulating body, a plurality of grounding terminals and a plurality of signal terminals, wherein the grounding terminals and the signal terminals are arranged in the insulating body, the insulating body comprises two side walls which are oppositely arranged in a transverse direction, and a slot which is positioned between the two side walls, the side walls are provided with an outer surface which deviates from the slot in the transverse direction, a plurality of accommodating grooves for accommodating the grounding terminals and a plurality of accommodating grooves for accommodating the signal terminals are arranged on one side wall, a plurality of through grooves are arranged on the side walls provided with the accommodating grooves and the accommodating grooves, each through groove is concavely arranged from the outer surface of the side wall and is communicated with one of the accommodating grooves, a first conductive plastic is arranged in each through groove, the first conductive plastic is abutted against the grounding terminals in the accommodating grooves, and the through grooves are provided with a first stopping surface and a second stopping surface which are arranged at intervals, the first stopping surface and the second stopping surface are located between the corresponding outer surface and the corresponding accommodating groove, the first stopping surface is used for stopping the corresponding first conductive plastic from moving towards the corresponding outer surface, and the second stopping surface is used for stopping the corresponding first conductive plastic from moving towards the corresponding accommodating groove.

Furthermore, the first stopping surface and the second stopping surface are spaced in the transverse direction and are arranged closer to the corresponding outer surfaces than the second stopping surface.

Further, the first stopping surface and the second stopping surface are arranged opposite to each other in the transverse direction.

Further, the through groove includes a first channel recessed from the outer surface and communicated with the corresponding accommodating groove, and a second channel recessed from one side of the first channel along a longitudinal direction, the longitudinal direction is perpendicular to the transverse direction, the second channel is provided with the first stopping surface and the second stopping surface which are oppositely arranged in the transverse direction, and the first stopping surface is closer to the corresponding outer surface than the second stopping surface.

Furthermore, the second channel is formed by the two opposite sides of the first channel in a concave mode along the longitudinal direction.

Further, the electrical connector further includes a shield member, the shield member is shielded from the outer surface of the sidewall, and the shield member abuts against the first conductive plastic.

Furthermore, the shielding part is provided with a flat plate part and a butting part formed by protruding from the flat plate part in the transverse direction towards the direction of the slot, and the butting part is butted with the plurality of first conductive plastics on the side wall.

Furthermore, the slot is formed by the fact that the top of the insulating body is sunken downwards in the up-down direction, the up-down direction is perpendicular to the transverse direction, a groove is formed in the side wall above the plurality of through grooves, the groove penetrates through the outer surface and the insulating body upwards, the lower end of the groove is provided with an inclined surface, and the inclined surface is formed by extending the outer surface towards the slot upwards in an inclined mode.

Furthermore, the first conductive plastic is filled in the through groove in an injection molding mode.

Further, the slot is formed by being recessed downwards from the top of the insulating body in an up-down direction, the up-down direction is perpendicular to the transverse direction, and the through groove penetrates through the bottom of the insulating body downwards.

Furthermore, the grounding terminal is provided with a welding part for surface welding on a circuit board, the welding part is positioned below the corresponding first conductive plastic, and the distance from the bottom end of the first conductive plastic to the welding part is smaller than the overall height of the first conductive plastic in the up-down direction.

In order to achieve the above purpose, the utility model adopts another technical proposal as follows:

an electric connector comprises an insulating body, a plurality of grounding terminals and a plurality of signal terminals, wherein the grounding terminals and the signal terminals are arranged in the insulating body, the insulating body comprises two side walls which are oppositely arranged in a transverse direction and a slot which is positioned between the two side walls, the side walls are provided with an outer surface which deviates from the slot in the transverse direction, a plurality of accommodating grooves for accommodating the grounding terminals and a plurality of accommodating grooves for accommodating the signal terminals are arranged on one side wall, two adjacent accommodating grooves are arranged between the two accommodating grooves, a through groove is arranged on the side wall provided with the accommodating grooves and the accommodating grooves, the through groove is concavely arranged from the outer surface of the corresponding side wall and is communicated with the two adjacent accommodating grooves, and a first conductive plastic is arranged in each through groove, the first conductive plastic abuts against the two adjacent ground terminals, the through groove is provided with a first stopping surface and a second stopping surface which are arranged at intervals, the first stopping surface and the second stopping surface are both located between the corresponding outer surface and the corresponding accommodating groove, the first stopping surface is used for stopping the corresponding first conductive plastic from moving towards the corresponding outer surface, and the second stopping surface is used for stopping the corresponding first conductive plastic from moving towards the corresponding accommodating groove.

Further, the second stopping surface corresponds to the two adjacent accommodating grooves in the transverse direction.

Furthermore, the plurality of accommodating grooves and the plurality of accommodating grooves on the side wall are arranged along a longitudinal direction, the longitudinal direction is perpendicular to the transverse direction, the through groove is provided with two first stopping surfaces and one second stopping surface, the second stopping surface is located between the two first stopping surfaces in the longitudinal direction, and the two first stopping surfaces correspond to the two adjacent accommodating grooves in the transverse direction one to one.

Further, the first stopping surfaces extend from the corresponding outer surfaces to the corresponding accommodating grooves, a connecting line between each first stopping surface and the outer surface is defined as a first boundary line, a connecting line between each first stopping surface and the accommodating grooves is defined as a second boundary line, and a distance between the two first boundary lines is smaller than a distance between the two second boundary lines.

Furthermore, the lateral wall is equipped with a plurality of pairs of adjacent setting the holding tank, a plurality of lead to the groove and communicate two adjacent lead to a connecting groove of groove, the connecting groove self-corresponding the surface is concave establishes and is formed, be equipped with a second electrically conductive plastic in the connecting groove, the second electrically conductive plastic with first electrically conductive plastic is led and is connect.

Furthermore, the first conductive plastic and the second conductive plastic are filled in the through groove and the connecting groove in an injection molding mode.

Further, the electrical connector further includes a shield member, the shield member is shielded from the outer surface of the sidewall, and the shield member abuts against the second conductive plastic.

Furthermore, the slot extends along a longitudinal direction, the longitudinal direction is perpendicular to the transverse direction, the other side wall is also provided with a plurality of the accommodating grooves and a plurality of the accommodating grooves, two of the accommodating grooves are also provided with two adjacent accommodating grooves, the other side wall is also provided with a connecting groove for communicating the two adjacent accommodating grooves, and the two connecting grooves on the two side walls are arranged along the transverse direction in a staggered manner.

Compared with the prior art, the electric connector of the present invention reduces the electrical length of the ground terminal by the abutting between the first conductive plastic and the ground terminal, and converts the energy at the resonance point into heat energy by the wave-absorbing property of the first conductive plastic to reduce the energy at the resonance point, so that the signal bandwidth of the electric connector is higher, thereby improving the high-frequency performance of the electric connector, and the first stopping surface can be used to stop the corresponding first conductive plastic from moving toward the corresponding outer surface, and the second stopping surface can be used to stop the corresponding first conductive plastic from moving toward the corresponding accommodating groove, thereby ensuring that the first conductive plastic cannot be separated from the through groove in the transverse direction, and in addition, the first conductive plastic is kept in the insulating body and contacts the ground terminal at a predetermined position, the first conductive plastic is ensured to be stably contacted with the grounding terminal, and the high-frequency performance stability of the connector is further ensured.

[ description of the drawings ]

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

Fig. 2 is an exploded perspective view of fig. 1.

Fig. 3 is a perspective view of the electrical connector of fig. 1 with the terminals hidden upside down.

Fig. 4 is an exploded perspective view of fig. 3.

Fig. 5 is a partial sectional view taken in the direction of a-a in fig. 1.

Fig. 6 is a sectional view taken in the direction B-B in fig. 1.

Fig. 7 is a perspective view of the second embodiment of the electrical connector according to the present invention after hiding the terminal.

Fig. 8 is a partial cross-sectional view of fig. 7 after the terminal is installed.

Fig. 9 is a perspective view of the electric connector according to the third embodiment of the present invention after hiding the terminal.

Fig. 10 is a partial cross-sectional view of fig. 9 after the terminal has been installed.

Fig. 11 is a perspective assembly view of a fourth embodiment of the electrical connector of the present invention.

Fig. 12 is an exploded perspective view of fig. 11.

Fig. 13 is a perspective view of the electrical connector of fig. 11 with the terminals hidden upside down.

Fig. 14 is an exploded perspective view of fig. 13.

Fig. 15 is a partial sectional view taken in the direction of C-C in fig. 11.

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

electric connector 100 insulation body 1 side wall 10 external surface 101

Accommodating groove 11, accommodating groove 12, partition 13 and through groove 14

First channel 141 second channel 142 first stop surface 143 second stop surface 144

Inclined surface 161 fixing hole 17 of groove 16 of limiting block 15

The first boundary P1 and the second boundary P2 of the slot 19 of the connection slot 18

Contact portion 22 of holding portion 21 of signal terminal 2B of ground terminal 2A

First conductive plastic 3 shield 4 shield sheet 41 of soldering portion 23

The abutting portion 412 of the flat plate portion 411 is connected with the connecting piece 42 through the hole 421

The pins 43 are disposed in the longitudinal direction X and the transverse direction Y of the second conductive plastic 5

Up and down direction Z

[ 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.

As shown in fig. 1 to fig. 6, in order to implement the first embodiment of the electrical connector of the present invention, the electrical connector 100 includes an insulating body 1, a plurality of ground terminals 2A and a plurality of signal terminals 2B in the insulating body 1, a plurality of first conductive plastics 3 in the insulating body 1, and a shielding member 4 outside the insulating body 1. The electrical connector 100 is a pcie (peripheral Component Interface express) connector.

As shown in fig. 1 and 2, the insulative housing 1 includes two sidewalls 10 opposite to each other in a transverse direction Y and a slot 19 between the two sidewalls 10 for inserting an electronic card, the two sidewalls 10 and the slot 19 are both disposed to extend along a longitudinal direction X, the longitudinal direction X is perpendicular to the transverse direction Y, the slot 19 is formed by being recessed downward from a top of the insulative housing 1 in a vertical direction Z, and the vertical direction Z is perpendicular to the transverse direction Y and the longitudinal direction X.

As shown in fig. 2, 4 and 5, each of the side walls 10 has an outer surface 101 that is away from the slot 19 in the transverse direction Y, a plurality of receiving slots 11 for receiving the plurality of ground terminals 2A and a plurality of receiving slots 12 for receiving the plurality of signal terminals 2B are formed on each of the side walls 10, the plurality of receiving slots 11 and the plurality of receiving slots 12 on each of the side walls 10 are arranged along the longitudinal direction X, and the receiving slots 11 and the receiving slots 12 both penetrate through the bottom of the insulating body 1 downward and penetrate through the top of the insulating body 1 upward.

As shown in fig. 2 and 5, the ground terminal 2A and the signal terminal 2B respectively include a holding portion 21, a contact portion 22 extending upward from the holding portion 21, and a soldering portion 23 extending from the holding portion 21 to the bottom of the insulating housing 1, the contact portion 22 protrudes into the slot 19 for contacting the electronic card to form an electrical connection, the soldering portion 23 is exposed for surface soldering to a circuit board, the holding portion 21 of the ground terminal 2A is fixed to the receiving slot 11, and the holding portion 21 of the signal terminal 2B is fixed to the receiving slot 12.

As shown in fig. 2, 4 and 5, in the present embodiment, since the electrical connector 100 is a PCIE connector, some of the ground terminals 2A and some of the signal terminals 2B on one of the side walls 10 will be arranged in a "GGSSGGSS" manner, some of the ground terminals 2A and some of the signal terminals 2B on the other side wall 10 are arranged in a "SSGGSSGG" manner, and two rows of GG and SS are staggered with each other, accordingly, two adjacent receiving grooves 11 are disposed between two receiving grooves 12 on each side wall 10, two adjacent receiving grooves 12 are disposed between two receiving grooves 11, a plurality of pairs of adjacent receiving grooves 11 are disposed on each side wall 10, and one receiving groove 12 is disposed on each of opposite sides of each pair of adjacent receiving grooves 11. Each of the side walls 10 has a partition 13 between two adjacent receiving slots 11, between two adjacent receiving slots 12, and between the adjacent receiving slots 12 and the receiving slots 11.

As shown in fig. 2, 3 and 4, each of the side walls 10 is further provided with a plurality of through slots 14, and the through slots 14 on each of the side walls 10 are arranged in parallel along the longitudinal direction X and are arranged in equal length in the up-down direction Z. The through slots 14 on the two side walls 10 are correspondingly staggered in the transverse direction Y. Each through groove 14 is recessed from the outer surface 101, and is communicated with one accommodating groove 11 in the transverse direction Y, and the through groove 14 penetrates through the bottom of the insulating body 1 downward.

As shown in fig. 3, 4 and 5, each of the through slots 14 includes a first channel 141 and two second channels 142 that are communicated with each other, the first channel 141 is recessed from the outer surface 101 and is communicated with one of the accommodating grooves 11 along the transverse direction Y, the two second channels 142 are respectively recessed from two opposite sides of the first channel 141 along the longitudinal direction X, the two second channels 142 are located between the outer surface 101 and the accommodating groove 11 along the transverse direction Y, each second channel 142 is provided with a first stopping surface 143 and a second stopping surface 144 which are arranged oppositely in the transverse direction Y, the first stopping surface 143 is disposed closer to the corresponding outer surface 101 than the second stopping surface 144, the first stopping surface 143 faces the insertion slot 19, and the second stopping surface 144 faces the corresponding outer surface 101. The first stopping surface 143 and the second stopping surface 144 are both disposed along the longitudinal direction X, and it can be seen that the first stopping surface 143 and the second stopping surface 144 are parallel to each other and are respectively parallel to the longitudinal direction X.

As shown in fig. 2 and 4, each of the side walls 10 is provided with a groove 16 above the through slots 14, the groove 16 penetrates the corresponding outer surface 101 outwards and penetrates the insulating body 1 upwards, a lower end of the groove 16 is provided with an inclined surface 161, and the inclined surface 161 is formed by extending from the corresponding outer surface 101 upwards in an inclined manner in the direction of the slot 19.

As shown in fig. 2, 3 and 4, each of the sidewalls 10 is provided with two fixing holes 17 at two ends in the longitudinal direction X.

As shown in fig. 4, 5 and 6, a first conductive plastic 3 is disposed in each through groove 14, the first conductive plastic 3 is filled in the through groove 14 by injection molding, so that the first conductive plastic 3 and the insulation body 1 can be integrally formed and stably disposed in the through groove 14, the outer surface of the first conductive plastic 3 is flush with the outer surface 101 corresponding to the sidewall 10, and the bottom surface of the first conductive plastic 3 is flush with the bottom surface of the corresponding sidewall 10. The first conductive plastic 3 abuts against the ground terminal 2A in the accommodating groove 11, and the first conductive plastic 3 abuts against the holding portion 21 of the ground terminal 2A. The first stopping surface 143 is used to stop the corresponding first conductive plastic 3 from moving toward the corresponding outer surface 101, and the second stopping surface 144 is used to stop the corresponding first conductive plastic 3 from moving toward the corresponding accommodating groove 11. In the up-down direction Z, a distance between the bottom end of the first conductive plastic 3 and the soldering portion 23 is smaller than an overall height of the first conductive plastic 3, so as to prevent the first conductive plastic 3 from separating from the through groove 14 along the up-down direction Z. In other embodiments, the first conductive plastic 3 may be inserted into the through slot 14 from the bottom to the top of the insulating body 1.

As shown in fig. 1, 2 and 4, the shielding element 4 is covered outside the insulating body 1 from the top to the bottom of the insulating body 1. The shielding member 4 includes two shielding plates 41 covering the outer surfaces 101 of the two side walls 10, a connecting plate 42 connecting the two shielding plates 41, and two pins 43 extending downward from each of the shielding plates 41.

As shown in fig. 1 and 2, the connecting piece 42 is disposed above the top of the insulating body 1, a through hole 421 penetrating through the slot 19 is disposed in the connecting piece 42 corresponding to the slot 19, and the shape and size of the through hole 421 are matched with the shape and size of the slot 19.

As shown in fig. 4, 5 and 6, each of the shielding plates 41 includes a flat plate portion 411 and an abutting portion 412 formed to protrude from the flat plate portion 411 in the transverse direction Y toward the slot 19, specifically, the abutting portion 412 is a convex hull formed to protrude in the transverse direction Y toward the slot 19, and the abutting portion 412 extends on the flat plate portion 411 in the longitudinal direction X. In the process of assembling the shielding element 4 downward to the insulating housing 1, the groove 16 is used to allow the corresponding abutting portion 412 to move downward, and the inclined surface 161 is used to guide the abutting portion 412 to pass through the groove 16 and abut against the plurality of first conductive plastics 3 to form electrical connection. The abutting portion 412 abuts against a plurality of first conductive plastics 3 disposed on the corresponding side wall 10 along the longitudinal direction X, so that a ground path is formed between all the ground terminals 2A on the corresponding side wall 10. In other embodiments, the abutting portion 412 is disposed corresponding to each of the ground terminals 2A, and the abutting portion 412 may be an elastic pin, which is torn and formed from the flat plate portion 411 toward the slot 19.

As shown in fig. 3 and 4, the two pins 43 of each shielding plate 41 are respectively located at two ends thereof in the longitudinal direction X and extend downward, and the two pins 43 are fixed in the two fixing holes 17 corresponding to the side walls 10, so that the shielding member 4 is fixed on the insulating body 1.

As shown in fig. 7 and fig. 8, in order to implement the second embodiment of the electrical connector of the present invention, the electrical connector 100 is different from the electrical connector 100 of the first embodiment of the present invention in that: the through slots 14 have different structures, the groove 16, the inclined surface 161 and the fixing hole 17 are not formed on each of the side walls 10, and the shielding member 4 is not disposed outside the insulating housing 1.

As shown in fig. 7 and 8, the through groove 14 is recessed from the outer surface 101 of the corresponding side wall 10 and is communicated with two adjacent accommodating grooves 11, the first conductive plastic 3 abuts against the two adjacent grounding terminals 2A, the through groove 14 is provided with two first stop surfaces 143 and one second stop surface 144, the two first stop surfaces 143 and the second stop surface 144 are located between the corresponding outer surface 101 and the corresponding two accommodating grooves 11 in the transverse direction Y, the two first stop surfaces 143 are spaced apart in the longitudinal direction X, the second stop surface 144 is located between the two first stop surfaces 143 in the longitudinal direction X, the two first stop surfaces 143 and the second stop surface 144 extend in the longitudinal direction X, wherein the two first stop surfaces 143 are located on the same horizontal plane in the longitudinal direction X, the two first stopping surfaces 143 and the second stopping surface 144 are arranged at intervals in the transverse direction Y, the two first stopping surfaces 143 are closer to the corresponding outer surface 101 than the second stopping surface 144, and the two first stopping surfaces 143 correspond to the two adjacent accommodating grooves 11 in the transverse direction Y one to one. The second stopping surface 144 is disposed corresponding to two adjacent receiving grooves 11 in the transverse direction Y, that is, two sides of the second stopping surface 144 in the longitudinal direction X are disposed corresponding to two adjacent receiving grooves 11 in the transverse direction Y, respectively.

As shown in fig. 7 and 8, the through groove 14 includes a first channel 141 and two second channels 142, the first channel 141 is formed by being recessed from the outer surface 101 of the corresponding side wall 10 toward the slot 19, and is spaced apart from the accommodating groove 11, i.e., not communicated with each other, the two second channels 142 are located at two ends of the first channel 141 in the longitudinal direction X, the two second channels 142 are in one-to-one communication with the two adjacent accommodating grooves 11, and each second channel 142 is provided with one first blocking surface 143. Specifically, the side wall 10 has a stopper 15 integrally connecting the partition 13 between two adjacent receiving grooves 11, the stopper 15 is located between the corresponding outer surface 101 and the partition 13 in the transverse direction Y, the stopper 15 is located between the two second channels 142, the first channel 141 is terminated at the corresponding stopper 15, and the second stopping surface 144 is a side surface of the stopper 15 facing the first channel 141.

As shown in fig. 9 and 10, in order to implement the third embodiment of the electrical connector of the present invention, the electrical connector 100 is different from the second embodiment of the electrical connector of the present invention in that: each of the first stopping surfaces 143 extends obliquely from the corresponding outer surface 101 to the corresponding one of the receiving slots 11, a connecting line between each of the first stopping surfaces 143 and the outer surface 101 is defined as a first boundary line P1, a connecting line between each of the first stopping surfaces 143 and the receiving slot 11 is defined as a second boundary line P2, a distance between the two first boundary lines P1 in the longitudinal direction X is smaller than a distance between the two second boundary lines P2 in the longitudinal direction X, and the two first stopping surfaces 143 define a boundary of the through slot 14 in the longitudinal direction X.

As shown in fig. 9 and 10, in the present embodiment, the first stop surface 143 is also disposed in the second channel 142.

As shown in fig. 11 to fig. 15, in order to implement the fourth embodiment of the electrical connector of the present invention, the electrical connector 100 is different from the electrical connector 100 of the second embodiment of the present invention in that: the through grooves 14 have different structures, and the insulating body 1 is further provided with a connecting groove 18 for communicating the two adjacent through grooves 14. Each still be equipped with on the lateral wall 10 recess 16 inclined plane 161 with fixed orifices 17, insulator 1 still covers outward and is equipped with a shield 4, these some structures with the utility model discloses electric connector's embodiment one is the same, no longer explains.

As shown in fig. 14 and 15, the connecting groove 18 is recessed from the corresponding outer surface 101, the connecting groove 18 communicates with two adjacent first passages 141 in the longitudinal direction X, and the connecting groove 18 communicates with two adjacent second passages 142 in the transverse direction Y, that is, the first stopping surfaces 143 on the two second passages 142 adjacent to the connecting groove 18 are removed. The connecting groove 18 is provided with a second conductive plastic 5, the second conductive plastic 5 is connected to the first conductive plastic 3 in a conductive manner, in this embodiment, the first conductive plastic 3 and the second conductive plastic 5 are made of the same material, and the first conductive plastic 3 and the second conductive plastic 5 are filled in the two adjacent through grooves 14 and the connecting groove 18 between the two through grooves 14 in an integrated injection molding manner. The outer surface of the second conductive plastic 5 is flush with the outer surface 101 corresponding to the side wall 10, and the bottom surface of the second conductive plastic 5 is flush with the bottom surface of the corresponding side wall 10. The plurality of connecting slots 18 on the two side walls 10 are correspondingly arranged along the transverse direction Y in a staggered manner.

As shown in fig. 14 and 15, the abutting portion 412 abuts against the second conductive plastic 5 on the corresponding sidewall 10.

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

1) the electrical length of the ground terminal is reduced by the abutting between the first conductive plastic 3 and the ground terminal 2A, the energy at the resonance point is converted into heat energy by the wave-absorbing property of the first conductive plastic 3 to reduce the energy at the resonance point, so that the signal bandwidth of the electrical connector 100 is higher, thereby improving the high-frequency performance of the electrical connector 100, the first stopping surface 143 can be used for stopping the corresponding first conductive plastic 3 from moving towards the corresponding outer surface 101, the second stopping surface 144 can be used for stopping the corresponding first conductive plastic 3 from moving towards the corresponding accommodating groove 11, so as to ensure that the first conductive plastic 3 cannot be separated from the through groove 14 in the transverse direction Y, in addition, the first conductive plastic 3 is kept in the insulating body 1 and contacts the ground terminal 2A at a predetermined position, the first conductive plastic 3 is ensured to be stably contacted with the ground terminal 2A, and the high-frequency performance of the electrical connector 100 is further ensured to be stable.

2) The first stopping surface 143 and the second stopping surface 144 are spaced in the transverse direction Y and are disposed closer to the corresponding outer surface 101 than the second stopping surface 144, so that the first conductive plastic 3 located between the first stopping surface 143 and the second stopping surface 144 is stopped by the first stopping surface 143 when moving toward the corresponding outer surface 101, and the first conductive plastic 3 is stopped by the second stopping surface 144 when moving toward the corresponding accommodating groove 11, thereby avoiding the phenomenon that the first conductive plastic 3 is cut by opposite acting forces on the same plane.

3) The first stopping surface 143 and the second stopping surface 144 are disposed opposite to each other in the transverse direction Y, so that when the first conductive plastic 3 located between the first stopping surface 143 and the second stopping surface 144 moves along the transverse direction Y, the first conductive plastic 3 can be stopped by the first stopping surface 143 and the second stopping surface 144 in the forward direction, and the stopping force is strong.

4) The shielding member 4 is further disposed outside the insulating body 1, and the first conductive plastic 3 is abutted against the grounding terminal 2A by the shielding member 4, so that the shielding effect of the signal terminal 2B is further enhanced on the basis that the first conductive plastic 3 is abutted against the grounding terminal 2A, and the high-frequency performance of the electrical connector 100 is improved.

5) The first conductive plastic 3 is filled in the through groove 14 in an injection molding manner, so that the first conductive plastic 3 and the insulation body 1 can be integrated, and the first conductive plastic 3 is further prevented from being separated from the through groove 14 along the transverse direction Y.

6) The through groove 14 penetrates through the bottom of the insulating body 1 downwards, so that the through groove 14 is convenient to mold, the first conductive plastic 3 can be arranged in the through groove 14 from bottom to top in an assembling mode, and the use is convenient. Meanwhile, in the up-down direction Z, a distance between the bottom end of the first conductive plastic 3 and the soldering portion 23 is smaller than the overall height of the first conductive plastic 3, so that the first conductive plastic 3 cannot be separated from the through groove 14 downward.

7) The electrical connector 100 further improves the high-frequency performance of the electrical connector 100 by the abutting of the first conductive plastic 3 and the two adjacent ground terminals 2A, respectively.

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 using the description and drawings of the present invention are included in the scope of the present invention.

Claims

1. An electric connector comprises an insulating body, a plurality of grounding terminals and a plurality of signal terminals, wherein the grounding terminals and the signal terminals are arranged in the insulating body, the insulating body comprises two side walls which are oppositely arranged in a transverse direction and a slot which is positioned between the two side walls, the side walls are provided with an outer surface which deviates from the slot in the transverse direction, and a plurality of accommodating grooves for accommodating the grounding terminals and a plurality of accommodating grooves for accommodating the signal terminals are arranged on one side wall, and the electric connector is characterized in that:

the side wall provided with the accommodating grooves and the accommodating grooves is provided with a plurality of through grooves, each through groove is concavely arranged from the outer surface of the side wall and is communicated with one of the accommodating grooves, a first conductive plastic is arranged in each through groove, the first conductive plastic is abutted against the grounding terminal in the accommodating groove, the through grooves are provided with a first stopping surface and a second stopping surface which are arranged at intervals, the first stopping surface and the second stopping surface are both positioned between the corresponding outer surface and the corresponding accommodating groove, the first stopping surface is used for stopping the corresponding first conductive plastic from moving towards the corresponding outer surface, and the second stopping surface is used for stopping the corresponding first conductive plastic from moving towards the corresponding accommodating groove.

2. The electrical connector of claim 1, wherein: the first stopping surface and the second stopping surface are spaced in the transverse direction and are arranged closer to the corresponding outer surfaces than the second stopping surface.

3. The electrical connector of claim 2, wherein: the first stopping surface and the second stopping surface are arranged oppositely in the transverse direction.

4. The electrical connector of claim 1, wherein: the through groove comprises a first channel which is concavely arranged from the outer surface and communicated with the corresponding accommodating groove, and a second channel which is concavely arranged from one side of the first channel along a longitudinal direction, wherein the longitudinal direction is vertical to the transverse direction, the second channel is provided with a first stopping surface and a second stopping surface which are arranged right opposite to the transverse direction, and the first stopping surface is arranged close to the corresponding outer surface compared with the second stopping surface.

5. The electrical connector of claim 4, wherein: and the second channel is formed by respectively recessing the two opposite sides of the first channel along the longitudinal direction.

6. The electrical connector of claim 1, wherein: the shielding part shields the outer surface of the side wall, and the shielding part is abutted to the first conductive plastic.

7. The electrical connector of claim 6, wherein: the shielding piece is provided with a flat plate part and an abutting part formed by protruding and extending the flat plate part towards the direction of the slot in the transverse direction, and the abutting part abuts against the plurality of first conductive plastics on the side wall.

8. The electrical connector of claim 7, wherein: the slot is formed by sinking the top of the insulating body downwards in the up-down direction, the up-down direction is respectively perpendicular to the transverse direction, the side wall is provided with a groove above the through grooves, the groove penetrates through the outer surface and the insulating body upwards correspondingly, the lower end of the groove is provided with an inclined plane, and the inclined plane is formed by extending the outer surface towards the slot upwards in an inclined mode.

9. The electrical connector of claim 1, wherein: the first conductive plastic is filled in the through groove in an injection molding mode.

10. The electrical connector of claim 1, wherein: the slot is formed by sinking downwards from the top of the insulating body in the up-down direction, the up-down direction is perpendicular to the transverse direction, and the through groove penetrates through the bottom of the insulating body downwards.

11. The electrical connector of claim 10, wherein: the grounding terminal is provided with a welding part for surface welding on a circuit board, the welding part is positioned below the corresponding first conductive plastic, and the distance from the bottom end of the first conductive plastic to the welding part is smaller than the overall height of the first conductive plastic in the up-down direction.

12. An electric connector comprises an insulating body, a plurality of grounding terminals and a plurality of signal terminals, wherein the grounding terminals and the signal terminals are arranged in the insulating body, the insulating body comprises two side walls which are oppositely arranged in a transverse direction and a slot which is positioned between the two side walls, the side walls are provided with an outer surface which deviates from the slot in the transverse direction, a plurality of accommodating grooves for accommodating the grounding terminals and a plurality of accommodating grooves for accommodating the signal terminals are arranged on one side wall, and two adjacent accommodating grooves are arranged between the two accommodating grooves, and the electric connector is characterized in that:

the side wall provided with the accommodating grooves and the accommodating grooves is provided with a through groove, the through groove is concavely arranged from the outer surface of the corresponding side wall and is communicated with the two adjacent accommodating grooves, a first conductive plastic is arranged in each through groove, the first conductive plastic abuts against the two adjacent grounding terminals, the through groove is provided with a first stopping surface and a second stopping surface which are arranged at intervals, the first stopping surface and the second stopping surface are both positioned between the corresponding outer surface and the corresponding accommodating groove, the first stopping surface is used for stopping the corresponding first conductive plastic from moving towards the corresponding outer surface, and the second stopping surface is used for stopping the corresponding first conductive plastic from moving towards the corresponding accommodating groove.

13. The electrical connector of claim 12, wherein: the second stopping surface corresponds to the two adjacent accommodating grooves in the transverse direction.

14. The electrical connector of claim 12, wherein: the plurality of accommodating grooves and the plurality of accommodating grooves on the side wall are arranged along a longitudinal direction, the longitudinal direction is perpendicular to the transverse direction, the through groove is provided with two first stopping surfaces and one second stopping surface, the second stopping surface is located between the two first stopping surfaces in the longitudinal direction, and the two first stopping surfaces correspond to the two adjacent accommodating grooves in the transverse direction one to one.

15. The electrical connector of claim 14, wherein: the first stopping surfaces extend from the corresponding outer surfaces to the corresponding accommodating grooves, a connecting line between each first stopping surface and the outer surface is defined as a first boundary line, a connecting line between each first stopping surface and the accommodating grooves is defined as a second boundary line, and the distance between the two first boundary lines is smaller than the distance between the two second boundary lines.

16. The electrical connector of claim 14, wherein: the first stopping surface and the second stopping surface are spaced in the transverse direction and are arranged closer to the corresponding outer surfaces than the second stopping surface.

17. The electrical connector of claim 12, wherein: the lateral wall is equipped with many pairs of adjacent setting holding tank, a plurality of lead to the groove and communicate two adjacent lead to a connecting groove of groove, the connecting groove self-corresponding the surface is concave establishes and is formed, be equipped with a second electrically conductive plastic in the connecting groove, the second electrically conductive plastic with first electrically conductive plastic is led and is connect.

18. The electrical connector of claim 17, wherein: the first conductive plastic and the second conductive plastic are filled in the through groove and the connecting groove in an injection molding mode.

19. The electrical connector of claim 17, wherein: the shielding piece is shielded outside the outer surface of the side wall and is abutted to the second conductive plastic.

20. The electrical connector of claim 12, wherein: the slot is formed by sinking downwards from the top of the insulating body in the up-down direction, the up-down direction is perpendicular to the transverse direction, and the through groove penetrates through the bottom of the insulating body downwards.

21. The electrical connector of claim 12, wherein: the slot extends along a lengthwise direction, the lengthwise direction is perpendicular to the transverse direction, another the lateral wall also is equipped with a plurality of holding tank and a plurality of the accepting groove, and wherein two also be equipped with two adjacent settings between the accepting groove the holding tank, another the lateral wall also is equipped with two adjacent settings of intercommunication a connecting groove of holding tank is located two on the lateral wall two the connecting groove is followed transverse direction dislocation set.