CN218887610U - Electrical connector with improved contact arrangement - Google Patents

Abstract

The utility model discloses an electric connector, including insulator, shielding casing, terminal module and shielding module. The insulating body comprises a first wall part and a second wall part, wherein the second wall part is arranged opposite to the first wall part. The shielding shell is coated and arranged outside the insulating body. The terminal module is at least partially arranged in the insulating body. The terminal module comprises a first terminal module and a second terminal module. The shielding module comprises a first shielding piece and a second shielding piece. The first shielding piece is arranged between the first terminal module and the shielding shell and penetrates through the insulating body to be abutted against the inner wall of the shielding shell. The second shielding piece is arranged between the second terminal module and the shielding shell. The second shield passes through the insulating body to abut against an inner wall of the shield shell. So set up, improved electric connector's shielding effect.

Description

Electrical connector

Technical Field

The utility model belongs to the technical field of the electric connector and specifically relates to an electric connector.

Background

With the continuous improvement of the data transmission quality requirement of the electrical connector, how to reduce the interference of the conductive terminal in the data transmission process is a technical problem to be solved by those skilled in the art.

The common HDMI coaxial connector on the market is a splint connector. As the name implies, the cable and the electrical connector are connected through the PCB and then installed in the metal housing to achieve the effect of shielding electromagnetic interference. When the requirement for shielding the electromagnetic interference of the electrical connector is strict, the interference effect of the PCB itself may affect the electrical connector, and the requirement for shielding the electromagnetic interference of the electrical connector cannot be met.

Therefore, there is a need to provide a new electrical connector to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electric connector to improve electric connector's shielding effect.

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

the utility model discloses an electric connector, include:

the insulation body comprises a first wall part and a second wall part, wherein the second wall part is arranged opposite to the first wall part;

the shielding shell is arranged outside the insulating body in a wrapping mode;

the terminal module is at least partially arranged in the insulating body and comprises a first terminal module and a second terminal module, the first terminal module comprises a first insulating block and a plurality of first conductive terminals fixed on the first insulating block, and the second terminal module comprises a second insulating block and a plurality of second conductive terminals fixed on the second insulating block;

the shielding module comprises a first shielding piece and a second shielding piece; the first shielding piece is arranged on the first insulating block; the first shielding piece comprises a first connecting part and a plurality of first grounding terminals extending from the first connecting part, the plurality of first grounding terminals and the plurality of first conductive terminals are arranged in the same row, and the first connecting part penetrates through the first wall part to abut against the inner wall of the shielding shell; the second shielding piece is arranged on the second insulating block; the second shielding piece comprises a second connecting portion and a plurality of second grounding terminals extending from the second connecting portion, the second grounding terminals are arranged in the same row with the second conductive terminals, and the second connecting portion penetrates through the second wall portion to be abutted to the inner wall of the shielding shell.

As a further improved technical solution of the present invention, the first connecting portion includes a first elastic portion and first mounting portions disposed at two sides of the first elastic portion, and the first mounting portions are fastened and fixed to the first insulating block; the second connecting portion include second elasticity portion and set up the second installation department of second elasticity portion both sides, second installation department joint is fixed in on the second insulating block.

As a further improved technical solution of the present invention, the first insulating block has a first fixing hole, and the first mounting portion is fixed to the first fixing hole in a clamping manner; the second insulating block is provided with a second fixing hole, and the second installation part is clamped and fixed with the second fixing hole.

As a further improved technical solution of the present invention, the first elastic portion includes a plurality of first elastic pieces, the plurality of first elastic pieces are arranged at intervals along a width direction of the electrical connector, and at least one of the first elastic pieces is elastically abutted against an inner wall of the shielding shell; the second elastic part comprises a plurality of second elastic sheets, the second elastic sheets are arranged at intervals in the width direction, and at least one second elastic sheet is elastically abutted to the inner wall of the shielding shell.

As a further improved technical scheme of the utility model, first shell fragment with the second shell fragment is in dislocation set on the width direction.

As a further improved technical solution of the present invention, the first wall portion has a first hole portion, the first elastic piece passes through the first hole portion so as to abut against the elastic portion of the shield case, the second wall portion has a second hole portion, and the second elastic piece passes through the second hole portion so as to abut against the elastic portion of the shield case.

As a further improved technical solution of the present invention, there are three first grounding terminals, and two first conductive terminals are disposed between two adjacent first grounding terminals; the number of the second grounding terminals is two, and two second conductive terminals are arranged between the two second grounding terminals.

As a further improved technical solution of the present invention, the first conductive terminal is provided with a first elastic contact arm extending and protruding out of the first insulating block and a first tail portion arranged opposite to the first elastic contact arm; the second conductive terminal is provided with a second elastic contact arm extending and protruding out of the second insulating block and a second tail part arranged opposite to the second elastic contact arm, and the first tail part and the second tail part are arranged in a row in an inserting mode.

As a further improved technical solution of the present invention, the second insulating block further includes an extension portion, the extension portion is disposed along the butt joint direction in the tail end of the second insulating block, the first tail portion is disposed in the extension portion with the second tail portion.

As a further improved technical solution of the present invention, the electrical connector further includes a plurality of cables, a portion the plurality of cables with the first tail portion of the first conductive terminal is connected, a portion the plurality of cables with the second tail portion of the second conductive terminal is connected, the plurality of cables include with the ground cable that the spacing portion of ground connection of the shielding shell is connected.

As a further improved technical solution of the present invention, the cable includes an inner conductor, an inner insulating layer wrapped on at least a portion of the inner conductor, a shielding layer wrapped on at least a portion of the inner insulating layer, and an outer insulating layer wrapped on at least a portion of the shielding layer;

the inner conductor of the cable is fixedly connected with the corresponding first tail part and the corresponding second tail part; the grounding cable is fixedly connected with the grounding limiting part; the shielding layer is connected with the positioning part of the grounding limiting part.

Compared with the prior art, the beneficial effects of the utility model reside in that: the electric connector is through on installing first shield and the first insulating block, the first connecting portion of first shield pass first wall portion and shielding shell's inner wall butt, the second shield is installed on the second insulating block, the second connecting portion of second shield pass second wall portion and shielding shell's inner wall butt, the mutual interference of first conductive terminal and the electrically conductive electron of second signal when data transmission has greatly been reduced, be favorable to the high frequency high fidelity transmission of signal piece, the shielding effect of electric connector has been improved.

Drawings

Fig. 1 is a perspective view of an electrical connector according to one embodiment of the present invention;

FIG. 2 is a perspective view of another angle of FIG. 1;

FIG. 3 is a front view of FIG. 1;

FIG. 4 isbase:Sub>A schematic sectional view taken along line A-A of FIG. 3;

FIG. 5 is a schematic sectional view taken along line B-B in FIG. 3;

FIG. 6 is a rear view of FIG. 3;

FIG. 7 is a top view of FIG. 3;

FIG. 8 is a partially exploded perspective view of FIG. 1;

fig. 9 is an exploded perspective view of the housing, the terminal module and the shielding module of fig. 8;

FIG. 10 is an exploded isometric view of the alternate angle of FIG. 9;

FIG. 11 is a schematic perspective exploded view of another angle of FIG. 10;

fig. 12 is an exploded perspective view of the terminal module and the shielding module of fig. 11;

FIG. 13 is an exploded isometric view of the alternate angle of FIG. 12;

fig. 14 is an exploded perspective view of the first terminal module and the first shielding member in fig. 12;

fig. 15 is an exploded perspective view of the second terminal module and the second shielding member of fig. 13;

fig. 16 is an exploded perspective view of the first terminal module and the second terminal module of fig. 12;

FIG. 17 is a perspective view of another angle of FIG. 16;

fig. 18 is a perspective view of the first and second conductive terminals of fig. 12;

FIG. 19 is an exploded perspective view of the first and second shields of FIG. 12;

fig. 20 is a partial perspective view of the electrical connector of the present invention assembled with a cable.

Fig. 21 is a partially enlarged view of circled portion C in fig. 20.

Detailed Description

Exemplary embodiments of the present invention will be described in detail below with reference to the accompanying drawings. If several embodiments exist, the features of these embodiments may be combined with each other without conflict. When the description refers to the accompanying drawings, the same numbers in different drawings represent the same or similar elements, unless otherwise specified. The description set forth below in the exemplary detailed description does not represent all implementations consistent with the present disclosure; rather, they are merely examples of apparatus, products, and/or methods consistent with certain aspects of the invention, as recited in the claims of the invention.

The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to limit the scope of the invention. As used in the specification and claims of this application, the singular form of "a", "an", or "the" is intended to include the plural forms as well, unless the context clearly indicates otherwise.

It should be understood that the terms "first," "second," and the like as used in the description and in the claims of the present invention do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. Also, the use of the terms a, an, etc. do not denote a limitation of quantity, but rather denote the presence of at least one. Unless otherwise indicated, the terms "front," "back," "up," "down," and the like in the description of the invention are used for convenience of description and are not limited to a particular position or spatial orientation. The word "comprise" or "comprises", and the like, is an open-ended expression meaning that an element that precedes "includes" or "comprising" includes "that the element that follows" includes "or" comprises "and its equivalents, that do not preclude the element that precedes" includes "or" comprising "from also including other elements. If the utility model discloses in appear "a plurality of", its meaning indicates two and more than two.

Referring to fig. 1 to 19, the present invention discloses an electrical connector 100, wherein the electrical connector 100 includes an insulating housing 1, a shielding shell 2, a terminal module 3 and a shielding module 4. In the embodiment of the present invention in which the shielding module 4 is mounted on the terminal module 3, the electrical connector 100 is an HDMI connector. The electrical connector 100 is configured to connect to a coaxial cable (not shown). The electrical connector 100 is mated with a mating connector (not shown) along the mating direction M to achieve data transmission. Of course, it is understood by those skilled in the art that the electrical connector 100 may be other types of electrical connectors in other embodiments, and is not limited herein. For convenience of illustration, the electrical connector 100 of the present invention defines the front-back direction (M) as the mating direction, the left-right direction (W-W) as the width direction, and the up-down direction (T-T) as the thickness direction as shown in fig. 1, and the mating direction M, the width direction W-W, and the thickness direction T-T are perpendicular to each other.

Referring to fig. 1 to 7, in the illustrated embodiment of the present invention, the shield case 2 has a one-piece structure made of a metal material. The shielding shell 2 is disposed outside the insulating body 1 in a covering manner. The shield case 2 has a butting portion 21 extending in the butting direction M. In the illustrated embodiment of the present invention, the docking portion 21 has an external shape and size conforming to the HDMI standard. The docking portion 21 has a top wall 211, a bottom wall 212 disposed opposite to the top wall 211, and two side walls 213 connecting between the top wall 211 and the bottom wall 212. The top wall 211, the bottom wall 212 and the two side walls 213 are connected end to end in sequence to form the docking space 201. The space 201 is abutted to receive a part of the insulating body 1. The top wall 211 has a first locking hole 2111, and the first locking hole 2111 is used to lock with the insulative housing 1 to prevent the insulative housing 1 from being separated from the shielding housing 2.

Referring to fig. 1 to 8, the insulating housing 1 has a mating surface 11, a mating groove 110 penetrating the mating surface 11, a mounting surface 12 facing the mating surface 11, and a mounting groove 120 penetrating the mounting surface 12. The terminal module 3 is mounted in the mounting groove 120 along the mating direction M from the mounting surface 12. The insulating body 1 extends in a thickness direction T-T and a width direction W-W. In addition, the insulating housing 1 is further provided with a plurality of first terminal receiving grooves 13 communicating with the mating groove 110 and a plurality of second terminal receiving grooves 14 communicating with the mating groove 110, wherein the first terminal receiving grooves 13 and the second terminal receiving grooves 14 are respectively located at two sides (for example, upper side and lower side) of the mating groove 110 along the thickness direction T-T of the insulating housing 1. The first terminal receiving groove 13 and the second terminal receiving groove 14 are arranged in a staggered manner in the thickness direction T-T of the insulating housing 1. In the illustrated embodiment of the present invention, the first terminal receiving groove 13 and the second terminal receiving groove 14 further penetrate the mating surface 11 in the mating direction M. With such an arrangement, the first terminal receiving groove 13 and the second terminal receiving groove 14 can be designed to be longer, so as to facilitate the installation of the terminal module 3, and the conductive terminal of the terminal module 3 can be better cooled.

The insulating body 1 has a first wall portion 15, a second wall portion 16 provided opposite to the first wall portion 15 in the thickness direction T-T, and two side portions 17 connecting between the first wall portion 15 and the second wall portion 16. The first wall portion 15, the second wall portion 16 and the two side portions 17 are connected end to end in the mating direction M to form the mating surface 11 and the mounting surface 12. The first wall portion 15 is provided with two second locking holes 151, the second wall portion 16 is provided with two third locking holes 161, and the two second locking holes 151 and the third locking holes 161 are symmetrically arranged in the width direction W-W of the insulating body 1. The second locking hole 151 and the third locking hole 161 are used to lock with the terminal module 3 to prevent the terminal module 3 from separating from the housing 1. Each of the second locking hole 151 and each of the third locking holes 161 are disposed vertically symmetrically in the thickness direction T-T of the insulative housing 1. The first wall portion 15 is further provided with a first protrusion 152, and the first protrusion 152 is used for being locked with the shielding shell 2. The first protrusion 152 and the first locking hole 2111 are fixed in a mutual fit manner, so as to further improve the assembling firmness of the electrical connector 100 and prevent the insulation body 1, the shielding shell 2 and the terminal module 3 from being separated from each other.

Referring to fig. 4 to 5 and 17, the terminal module 3 is at least partially disposed in the insulating body 1. The terminal module 3 includes a first terminal module 31 and a second terminal module 32, and the first terminal module 31 and the second terminal module 32 are vertically arranged along a thickness direction T-T of the insulating body 1.

The first terminal module 31 includes a first insulating block 311 and a plurality of first conductive terminals 312 fixed on the first insulating block 311. In the illustrated embodiment of the present invention, a plurality of first conductive terminals 312 are insert-molded on the first insulating block 311. Of course, in other embodiments, the plurality of first conductive terminals 312 may also be fixed to the first insulating block 311 by assembling. Similarly, the second terminal module 32 includes a second insulating block 321 and a plurality of second conductive terminals 322 fixed on the second insulating block 321. In the illustrated embodiment of the present invention, the second conductive terminals 322 are insert-molded into the second insulating block 321. Of course, in other embodiments, the plurality of second conductive terminals 322 may also be fixed to the second insulating block 321 by assembling.

The first insulating block 311 includes a first base portion 3111 and a first boss portion 3112 disposed around the first base portion 3111, the first boss portion 3112 protrudes from the first base portion 3111 along a width direction W-W, the first boss portion 3112 is higher than the first base portion 3111 along a thickness direction T-T, and an abutting portion 31121 is formed between the first boss portion 3112 and the first base portion 3111, so that when the first insulating block 311 is installed in the installation groove 120 along the abutting direction M, the abutting portion 31121 abuts against the installation surface 12, thereby limiting the first insulating block 311.

First base 3111 has two second boss portions 31111, two second boss portions 31111 are provided to be protruded toward first wall portion 15, two second boss portions 31111 are provided to be close to first boss portion 3112, and two second boss portions 31111 are provided symmetrically in width direction W-W, and two second boss portions 31111 are fitted and fixed with second locking holes 151 in thickness direction T-T in one-to-one correspondence. When the first base 3111 is mounted in the insulating housing 1 along the mating direction M, the two second protrusions 31111 are held in the second locking holes 151, so that the first insulating block 311 is firmly assembled with the insulating housing 1 and is not easily loosened.

First base portion 3111 also has two first recesses 31112, and two first recesses 31112 are disposed toward second insulating block 321. Two first concave portions 31112 are provided near the first boss portion 3112, and the two first concave portions 31112 are symmetrically provided in the width direction W-W.

The second insulating block 321 includes a second base portion 3211, and the second base portion 3211 is provided with an accommodating space 301 for accommodating the first base portion 3111 and a plurality of first positioning posts 32111 protruding toward the first base portion 3111. The first positioning posts 32111 have two, and the two first positioning posts 32111 are fixed to the first recess 31112. The second base portion 3211 has two third projections 32114, the two third projections 32114 are arranged to project toward the second wall portion 16, the two third projections 32114 are arranged symmetrically in the width direction W-W, and the two third projections 32114 are arranged in one-to-one correspondence with the third locking holes 161 in the thickness direction T-T. When the second base 3211 is mounted in the insulating housing 1 along the mating direction M, the two third protrusions 32114 are retained in the third locking holes 161, so that the second insulating block 321 is firmly assembled with the insulating housing 1 and is not easily loosened.

The second insulation block 321 further includes an extension portion 3212, and the extension portion 3212 is disposed at a tail end of the second insulation block 321 along the mating direction M. In addition, the extending portion 3212 is further provided with a plurality of second positioning posts 32123 extending toward the first boss portion 3112. A plurality of second concave portions 31113 are disposed on one side of the first base portion 3111 facing the extending portion 3212, and the second positioning columns 32123 are fixed to the second concave portions 31113. When the first insulating block 311 and the second insulating block 312 are assembled along the thickness direction T-T, the first positioning post 32111 is disposed in the first concave portion 31112, and the second positioning post 32123 is disposed in the second concave portion 31113, so as to improve the holding force between the first insulating block 311 and the second insulating block 312 and prevent loosening.

Referring to fig. 12 to 18, the first conductive terminal 312 has a first elastic contact arm 3121 extending from the first insulating block 311 and a first tail portion 3122 opposite to the first elastic contact arm 3121. The first resilient contact arm 3121 is cantilevered and extends into the docking slot 110. The first elastic contact arm 3121 is provided with a first contact portion 31211 for contacting with the mating connector.

The second conductive terminal 322 has a second elastic contact arm 3221 extending and protruding the second insulating block 321, and a second tail 3222 disposed opposite to the second elastic contact arm 3221. The first resilient contact arm 3121 is cantilevered and extends into the docking slot 110. The second elastic contact arm 3221 is provided with a second contact portion 32211 for contacting with the mating connector. The first contact portion 31211 and the second contact portion 32211 extend medially, i.e., the first contact portion 31211 protrudes toward the second contact portion 32211, and the second contact portion 32211 protrudes toward the first contact portion 31211. So configured, the first contact portion 31211 and the second contact portion 32211 may commonly clamp a tongue plate (not shown) of the mating connector.

The first tail 3122 and the second tail 3222 are disposed on the extending portion 3212 together. The extending portion 3212 is provided with a boss 32121, and the boss 32121 is provided with an assembling surface 32122 and a plurality of receiving grooves 302 concavely formed on the self-assembling surface 32122. In the illustrated embodiment of the present invention, the first tail portion 3122 extends beyond the first boss portion 3112 in a direction opposite to the docking direction M, and then bends downward and extends into the receiving groove 302. The second tail 3222 extends through the extension 3212 in a direction opposite the mating direction M into the receiving slot 302. The first tail portions 3122 and the second tail portions 3222 are arranged alternately and in a row. So set up, can accomplish through once welding and be connected with coaxial cable to reduce the welding degree of difficulty, improved the stability of welding reliability and performance, avoided the bad accumulation of many times welding. In addition, based on the welding process adopted by the structure, the coaxial and twisted wire cores can be compatible at the same time, the application range is expanded, and the production cost is reduced.

Referring to fig. 9 to 15 and fig. 19, the shielding module 4 includes a first shielding element 41 and a second shielding element 42. The first shield 41 is mounted on the first insulating block 311. Preferably, the first shield 41 is disposed between the first insulating block 311 and the shield case 2. In other embodiments, the first shield 41 may be partially disposed within the first insulating block 311 by way of embedding. The second shield 42 is mounted on the second insulating block 321. Preferably, the second shield 42 is disposed between the second insulating block 321 and the shield case 2. In other embodiments, the second shield 42 may be partially disposed within the second insulating block 321 by way of embedment. The first shielding part 41 and the second shielding part 42 are respectively in contact with the shielding shell 2, so that mutual interference of upper and lower layer signals of the first conductive terminal 312 and the second conductive terminal 322 during signal transmission is greatly reduced, high-frequency high-fidelity transmission between the signals is facilitated, and the grounding effect of the electric connector 100 is improved.

The first shielding member 41 includes a first connecting portion 411 and a plurality of first ground terminals 412 extending from the first connecting portion 411, wherein the plurality of first ground terminals 412 are arranged in a row with the plurality of first conductive terminals 312. The first connection portion 411 passes through the first wall portion 15 to abut against the inner wall of the shield case 2. Specifically, the first connecting portion 411 includes a first elastic portion and two first mounting portions 4112 disposed on two sides of the first elastic portion, and the first mounting portions 4112 are clamped and fixed to the first insulating block 311. The first base portion 3111 has a second boss portion 31115 and first fixing holes 31114 provided on both sides of the second boss portion 31115 in the width direction W-W. The second boss portion 31115 projects toward the first wall portion 15, and the first fixing hole 31114 vertically penetrates the first base portion 3111 in the thickness direction T-T. The first connecting portion 411 is attached to the second boss portion 31115 by a first mounting portion 4112, and then fixed to the first insulating block 311 by being clamped to the first fixing hole 31114 by the first mounting portion 4112.

The first elastic portion includes a plurality of first elastic pieces 4111, the first elastic pieces 4111 protrude from the first elastic portion toward the shielding housing 2 along the thickness direction T-T, the first elastic pieces 4111 are arranged at intervals along the width direction W-W of the electrical connector, and at least one of the first elastic pieces 4111 is elastically abutted to the inner wall of the shielding housing 2. In the embodiment of the present application, the first arm portion 15 has the first hole portion 153, and the shape of the first hole portion 153 is the same as that of the first elastic portion. The second boss portion 31115 is provided in the first hole portion 153. The free ends of the first elastic pieces 4111 protrude upwards, and pass through the first hole 153 to elastically abut against the inner wall of the top wall 211. The first arm portion 15 further has a plurality of third hole portions 154, and the plurality of third hole portions 154 are provided in front of the first hole portions 153 in the mating direction M. Several third hole portions 154 communicate with the docking slot 110 such that the first ground terminal 412 can enter the docking slot 110 from the third hole portions 154. Preferably, there are three first ground terminals 412, and two first conductive terminals 312 are disposed between two adjacent first ground terminals 412. The third hole portions 154 also have three, and each third hole portion 154 is provided in one-to-one correspondence with each first ground terminal 412 in the thickness direction T-T, so that the reliability of grounding can be ensured, and the grounding effect is improved.

The second shielding member 42 includes a second connecting portion 421 and a plurality of second ground terminals 422 extending from the second connecting portion 421, and the plurality of second ground terminals 422 and the plurality of second conductive terminals 322 are arranged in the same row. The second connecting portion 421 passes through the second wall portion 16 to abut against the inner wall of the shield case 2. Specifically, the second connection portion 421 includes a second elastic portion and two second mounting portions 4212 disposed at two sides of the second elastic portion, and the second mounting portions 4212 are fixed to the second insulating block 321 in a snap-fit manner. The second base portion 3211 has a third boss portion 32113 and second fixing holes 32112 provided on both sides of the third boss portion 32113 in the width direction W-W. The third boss portion 32113 protrudes toward the second wall portion 16, and a second fixing hole 32112 vertically penetrates the second base portion 3211 in the thickness direction T-T. The second connecting portion 421 is attached to the third boss portion 32113 through a second mounting portion 4212, and is clamped and fixed to the second insulating block 321 through the second mounting portion 4212 and the second fixing hole 32112.

The second elastic portion includes a plurality of second elastic pieces 4211, the second elastic pieces 4211 protrude from the second elastic portion 4111 toward the shielding housing 2 along the thickness direction T-T, the second elastic pieces 4211 are arranged at intervals along the width direction W-W of the electrical connector, and at least one of the second elastic pieces 4211 is elastically abutted to the inner wall of the shielding housing 2. In the embodiment of the present application, the second arm portion 16 has the second hole portion 162, and the shape of the second hole portion 162 is the same as that of the second elastic portion. The third boss portion 32113 is provided in the second hole portion 162. The free ends of the second resilient tabs 4211 protrude downward and pass through the second hole 162 to elastically abut against the inner wall of the bottom wall 222. The second arm 16 further has a plurality of fourth holes 163, and the plurality of fourth holes 163 are provided in front of the second hole 162 in the mating direction M. Several fourth holes 163 communicate with the lower row of the mating grooves 101 so that the second ground terminal 422 can enter the lower row of the mating grooves 101 from the fourth holes 163. Preferably, there are two second ground terminals 422, and two second conductive terminals 322 are disposed between the two second ground terminals 422. The number of the fourth hole portions 163 is two, and each of the fourth hole portions 163 is provided in one-to-one correspondence with each of the second ground terminals 322 in the thickness direction T-T, so that the reliability of grounding can be ensured, and the grounding effect can be improved.

In the embodiment of the present invention, the first resilient piece 4111 and the second resilient piece 4211 are disposed in a staggered manner in the width direction W-W, that is, the second boss portion 31115 and the third boss portion 32113 are also disposed in a staggered manner in the width direction W-W. When the first insulating block 311 and the second insulating block 321 are assembled into the insulating body 1, the elastic force of the first elastic sheet 4111 and the second elastic sheet 4211 in the insulating body 1 can be uniformly distributed, so that each first elastic sheet 4111 can elastically abut against the inner wall surface of the top wall 221, and each second elastic sheet 4211 can elastically abut against the bottom wall 222. The reliability of grounding is ensured, and the grounding effect is improved.

In other embodiments, the first shielding member 41 may be embedded in the first base portion 3111 by injection molding, and the first elastic portion of the first shielding member 41 protrudes from the first base portion 3111 toward the top wall 211 and elastically abuts against the top wall 211. The second shielding element 42 may also be embedded in the second base portion 3211 by injection molding, and the second elastic portion of the second shielding element 42 protrudes from the second base portion 3211 toward the bottom wall 212 and elastically abuts against the bottom wall. With this arrangement, the first shield 41 and the second shield 42 can also have the effect of grounding.

Referring to fig. 1 to 8, the shielding shell 2 includes a ground-limiting portion 22, the ground-limiting portion 22 is disposed at the tail of the docking portion 21 along the docking direction M, the ground-limiting portion 22 includes a limiting portion 221 and a positioning portion 222, the positioning portion 222 is disposed on the extension portion 3212, one end of the limiting portion 221 is connected to the tail of the shielding shell 2, and the other end of the limiting portion 221 is connected to the positioning portion 222, so that after the insulation body 1, the terminal module 3 and the shielding module 4 are assembled into the mounting groove 120, the ground-limiting portion 22 can fix the three components and prevent loosening, thereby affecting the grounding effect of the electrical connector 100.

The extension portion 3212 is further provided with a first positioning groove 32124. The first positioning groove 32124 is disposed rearward of the boss 32121 in the mating direction M. The first positioning groove 32124 extends in the width direction W-W. The positioning portion 222 is disposed in the first positioning groove 32124. The extending portion 3212 further has a second positioning groove 32125, and the second positioning groove 32125 is disposed at two ends of the first positioning groove 32124. The first boss portion 3112 is further provided with a third positioning groove 31122, and the two third positioning grooves 31122 and the two second positioning grooves 32125 are disposed correspondingly. The limiting portion 221 is bent from the tail portion of the top wall 211 to pass through the third positioning groove 31122 and the second positioning groove 32125 in sequence along the opposite direction of the docking direction M, and is connected to the positioning portion 222 disposed in the first positioning groove 32124. The stopper 221 can be disengaged after the assembly of the insulating body 1, the terminal module 3, and the shielding module 4.

The electrical connector 100 further includes a plurality of cables 200, and the electrical connector 100 is connected to the plurality of cables 200. A portion of plurality of wires 200 are connected to first tail portion 3122 of first conductive terminal 312 and a portion of plurality of wires 200 are connected to second tail portion 3222 of second conductive terminal 322. The plurality of cables 200 includes a ground cable 206 connected to the ground stopper 22 of the shield case 2. In the illustrated embodiment of the present invention, the cable 200 is a coaxial cable, and the cable 200 includes an inner conductor 202, an inner insulating layer 203 wrapped around at least a portion of the inner conductor 202, a shielding layer 204 wrapped around at least a portion of the inner insulating layer 203, and an outer insulating layer 205 wrapped around at least a portion of the shielding layer 204. The inner conductor 202 may be tin-plated copper or silver-plated copper, or the like.

When the cables 200 are connected to the electrical connector 100, the inner conductors 202 of the cables 200 are fixedly connected (e.g., soldered) to the corresponding first tails 3122 and the corresponding second tails 3222 for electrical conduction. The ground cable 206 is soldered (e.g., welded) to the ground limiting portion 22. Specifically, the ground cable 206 may be connected (e.g., soldered) to the position-limiting portion 221, or may be connected (e.g., soldered) to the positioning portion 222, which is not limited herein. The shielding layer 204 is connected (e.g., welded) to the positioning portion 222, thereby increasing the shielding area and improving the shielding effect. When the cable 200 adopts the coaxial cable of the present invention, the cable 200 can be directly welded to the electrical connector 100, which simplifies the process and reduces the cost.

In conclusion: the electrical connector 100 includes an insulative housing 1, a shielding housing 2 disposed outside the insulative housing 1, a terminal module 3 disposed at least partially in the insulative housing 1, and a shielding module 4 mounted on the terminal module 3. The shielding module 4 includes a first shield 41 and a second shield 42. By mounting the first shielding member 41 on the first insulating block 311, the first connecting portion 411 of the first shielding member 41 passes through the first wall portion 15 to abut against the inner wall of the shielding shell 2, the second shielding member 42 is mounted on the second insulating block 321, and the second connecting portion 421 of the second shielding member 42 passes through the second wall portion 16 to abut against the inner wall of the shielding shell 2, so that mutual interference of signals between the upper layer and the lower layer of the first conductive terminal 312 and the second conductive electron during data transmission is greatly reduced, high-frequency high-fidelity transmission of the signal member is facilitated, and the shielding effect of the electrical connector 100 is improved.

The above embodiments are only used for illustrating the present invention and not for limiting the technical solutions described in the present invention, and the understanding of the present specification should be based on the technical personnel in the technical field, such as the descriptions of the directions of "front", "back", "left", "right", "upper", "lower", etc., and although the present specification has been described in detail with reference to the above embodiments, the ordinary technical personnel in the technical field should understand that the present invention can still be modified or substituted by the equivalent, and all the technical solutions and the modifications thereof without departing from the spirit and scope of the present invention should be covered within the scope of the claims of the present invention.

Claims (12)

1. An electrical connector, comprising:

an insulating body (1) comprising a first wall portion (15) and a second wall portion (16) opposite to the first wall portion (15);

the shielding shell (2) is arranged outside the insulating body (1) in a covering mode;

the terminal module (3) is at least partially arranged in the insulating body (1), the terminal module (3) comprises a first terminal module (31) and a second terminal module (32), the first terminal module (31) comprises a first insulating block (311) and a plurality of first conductive terminals (312) fixed on the first insulating block (311), and the second terminal module (32) comprises a second insulating block (321) and a plurality of second conductive terminals (322) fixed on the second insulating block (321);

a shielding module (4) comprising a first shield (41) and a second shield (42); the first shield (41) is mounted on the first insulating block (311); the first shielding piece (41) comprises a first connecting part (411) and a plurality of first grounding terminals (412) extending from the first connecting part (411), the plurality of first grounding terminals (412) are arranged in the same row with the plurality of first conductive terminals (312), and the first connecting part (411) penetrates through the first wall part (15) to be abutted against the inner wall of the shielding shell (2); the second shield (42) is mounted on the second insulating block (321); the second shielding piece (42) comprises a second connecting portion (421) and a plurality of second grounding terminals (422) extending from the second connecting portion (421), the plurality of second grounding terminals (422) and the plurality of second conductive terminals (322) are arranged in the same row, and the second connecting portion (421) penetrates through the second wall portion (16) to be abutted to the inner wall of the shielding shell (2).

2. The electrical connector of claim 1, wherein: the first connecting part (411) comprises a first elastic part and first mounting parts (4112) arranged on two sides of the first elastic part, and the first mounting parts (4112) are clamped and fixed on the first insulating block (311); second connecting portion (421) include second elasticity portion and set up second installation department (4212) of second elasticity portion both sides, second installation department (4212) joint is fixed in on second collets (321).

3. The electrical connector of claim 2, wherein: the first insulating block (311) is provided with a first fixing hole (31114), and the first mounting portion (4112) is clamped and fixed with the first fixing hole (31114); the second insulating block (321) is provided with a second fixing hole (32112), and the second mounting portion (4212) is clamped and fixed with the second fixing hole (32112).

4. The electrical connector of claim 2, wherein: the first elastic part comprises a plurality of first elastic sheets (4111), the first elastic sheets (4111) are arranged at intervals along the width direction of the electric connector, and at least one first elastic sheet (4111) is elastically abutted with the inner wall of the shielding shell (2); the second elastic part comprises a plurality of second elastic sheets (4211), the second elastic sheets (4211) are arranged at intervals in the width direction, and at least one second elastic sheet (4211) is elastically abutted to the inner wall of the shielding shell (2).

5. The electrical connector of claim 4, wherein: the first elastic sheet (4111) and the second elastic sheet (4211) are arranged in a staggered mode in the width direction.

6. The electrical connector of claim 4, wherein: the first wall portion (15) is provided with a first hole portion (153), the first elastic sheet (4111) penetrates through the first hole portion (153) to be elastically abutted with the shielding shell (2), the second wall portion (16) is provided with a second hole portion (162), and the second elastic sheet (4211) penetrates through the second hole portion (162) to be elastically abutted with the shielding shell (2).

7. The electrical connector of claim 4, wherein: the number of the first ground terminals (412) is three, and two first conductive terminals (312) are arranged between two adjacent first ground terminals (412); the number of the second ground terminals (422) is two, and two second conductive terminals (322) are disposed between the two second ground terminals (422).

8. The electrical connector of claim 1, wherein: the first conductive terminal (312) is provided with a first elastic contact arm (3121) extending and protruding out of the first insulating block (311) and a first tail portion (3122) arranged opposite to the first elastic contact arm (3121); the second conductive terminal (322) is provided with a second elastic contact arm (3221) extending out of the second insulating block (321) and a second tail portion (3222) opposite to the second elastic contact arm (3221), and the first tail portion (3122) and the second tail portion (3222) are arranged in a row in an inserting manner.

9. The electrical connector of claim 8, wherein: the second insulation block (321) further comprises an extension portion (3212), the extension portion (3212) is disposed at a rear end of the second insulation block (321) along a mating direction, and the first and second tail portions (3122, 3222) are disposed on the extension portion (3212).

10. The electrical connector of claim 9, wherein: the shielding shell (2) comprises a grounding limiting part (22), the grounding limiting part (22) is arranged at the tail part of the shielding shell (2) along the butt joint direction, the grounding limiting part (22) comprises a limiting part (221) and a positioning part (222), the positioning part (222) is arranged on the extending part (3212), one end of the limiting part (221) is connected with the tail part of the shielding shell (2), and the other end of the limiting part (221) is connected with the positioning part (222).

11. The electrical connector of claim 8, wherein: the electric connector further comprises a plurality of cables (200), part of the cables (200) are connected with the first tail portions (3122) of the first conductive terminals (312), part of the cables (200) are connected with the second tail portions (3222) of the second conductive terminals (322), and the cables (200) comprise grounding cables (206) connected with the grounding limiting portions (22) of the shielding shell (2).

12. The electrical connector of claim 11, wherein: the cable (200) comprises an inner conductor (202), an inner insulating layer (203) wrapped over at least part of the inner conductor (202), a shielding layer (204) wrapped over at least part of the inner insulating layer (203), and an outer insulating layer (205) wrapped over at least part of the shielding layer (204);

the inner conductor (202) of the cable (200) is fixedly connected with the corresponding first tail part (3122) and the corresponding second tail part (3222); the grounding cable (206) is fixedly connected with the grounding limiting part (22); the shielding layer (204) is connected with the positioning part (222) of the grounding limiting part (22).

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