CN210985106U - Electrical connector - Google Patents

Abstract

The present application relates to an electrical connector. The electric connector comprises a first connector unit and a second connector unit, wherein the first connector unit comprises a first base body, a first grounding terminal, a first shielding ground terminal and a first shielding sheet, the first shielding sheet is arranged on one side of the first shielding ground terminal, which is far away from the first base body, and the first shielding ground terminal is respectively and electrically connected with the first grounding terminal and the first shielding sheet; the second connector unit comprises a second base body, a second grounding terminal, a second shielding grounding terminal and a second shielding sheet, and the first grounding terminal is in butt electrical connection with the second grounding terminal, so that the first connector unit is reliably in grounding connection with the second connector unit, and meanwhile, the first grounding terminal of the first connector is electrically connected with the first shielding sheet, so that the shielding performance between adjacent signals of the electrical connector is better, the closed transmission of the signals of the electrical connector is ensured, the antenna effect of signal transmission is reduced, and the bandwidth of signal transmission is increased.

Description

Electrical connector

Technical Field

The present disclosure relates to electronic devices, and particularly to an electrical connector.

Background

The electrical connector includes a male connector unit and a female connector unit electrically connected to each other. With the conventional electrical connector, in the mating region of the male connector unit and the female connector unit, the ground terminal of the male connector unit is electrically connected with the ground terminal of the female connector unit, the signal terminal of the male connector unit is electrically connected with the signal terminal of the female connector unit, and the shield plate of the male connector unit is electrically connected with the shield plate of the female connector unit.

Two adjacent pairs of differential signals of the traditional electric connector are transmitted in parallel, so that the crosstalk of the two adjacent pairs of differential signals of the electric connector and the resonance caused by signal transmission are larger, and the signal transmission bandwidth of the electric connector is smaller; in addition, the electrical connector has a problem of poor shielding between adjacent signals.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is necessary to provide an electrical connector aiming at the problems of small bandwidth of signal transmission and poor shielding between adjacent signals.

An electrical connector, comprising:

the first connector unit comprises a first base body, a first grounding terminal, a first shielding ground terminal and a first shielding sheet, wherein the first base body covers the first grounding terminal, the first shielding ground terminal is arranged on one surface of the first base body, the first shielding sheet is arranged on one side, away from the first base body, of the first shielding ground terminal, and the first shielding ground terminal is electrically connected with the first grounding terminal and the first shielding sheet respectively;

the second connector unit comprises a second base body, a second grounding terminal, a second shielding grounding terminal and a second shielding sheet, wherein the second base body covers the second grounding terminal, the second grounding terminal is abutted against the first grounding terminal, and the second shielding sheet is electrically connected with the first shielding sheet; the second shielding ground terminal is arranged on one surface of the second base body, the second shielding sheet is arranged on one side, deviating from the second base body, of the second shielding ground terminal, and the second shielding ground terminal is respectively electrically connected with the second grounding terminal and the second shielding sheet.

In the electrical connector, the first grounding terminal is wrapped on the first base body, so that the first grounding terminal is reliably fixed on the first base body; the first shielding ground terminal is electrically connected with the first ground terminal and the first shielding sheet respectively, so that the first ground terminal is electrically connected with the first shielding sheet through the first shielding ground terminal, the second shielding ground terminal is electrically connected with the second ground terminal and the second shielding sheet respectively, so that the second ground terminal is electrically connected with the second shielding sheet through the second shielding ground terminal, the first ground terminal is electrically butted with the second ground terminal, so that the first connector unit is reliably connected with the second connector unit in a grounded manner, and meanwhile, the first ground terminal of the first connector is electrically connected with the first shielding sheet, so that the shielding performance between adjacent signals of the electric connector is better, the closed transmission of the signals of the electric connector is ensured, the antenna effect of signal transmission is reduced, and the bandwidth of signal transmission is increased.

In one embodiment, the first connector unit further includes a conductive member, the first ground terminal extends to the conductive member and is electrically connected to the conductive member, the conductive member further abuts against the first shielding plate to electrically connect the first ground terminal to the first shielding plate, and the first ground terminal is further electrically connected to the first shielding plate through the first shielding ground terminal, so that the shielding performance between adjacent signals of the first connector unit is better, and the closed transmission of signals of the electrical connector is better ensured; the second grounding terminal is abutted against the first grounding terminal, so that the second grounding terminal is electrically connected with the first grounding terminal; in addition, the conductive piece combines and electrically connects the first grounding terminal and the first shielding piece, so that the antenna effect of signal transmission is better reduced, and the bandwidth of the signal transmission is increased.

In one embodiment, the first substrate is provided with a first avoiding groove, and the conductive member is located in the first avoiding groove, so that the conductive member is prevented from protruding out of the first substrate, and the volume of the first connector unit is reduced.

In one embodiment, the conductive member is provided with a connecting groove, and the first grounding terminal extends into the connecting groove and is connected with the conductive member, so that the conductive member is reliably connected with the first grounding terminal, and the conductive member is better electrically connected with the first grounding terminal.

In one embodiment, the first shielding plate has an insertion opening, the conductive member includes a conductive member body and a clamping portion, the conductive member body is located in the first avoiding groove, the connecting groove is located in the conductive member body, the clamping portion is clamped into the insertion opening and electrically connected to the first shielding plate, so that the conductive member is respectively connected to the first shielding plate and the first grounding terminal, and the first shielding plate and the first grounding terminal support the conductive member together, so as to prevent the first grounding terminal from being bent or even affecting the contact performance between the first grounding terminal and the second grounding terminal, and thus the first grounding terminal is reliably electrically connected to the conductive member and the second grounding terminal.

In one embodiment, the first sliding groove and the second sliding groove are respectively formed in the clamping portion, so that the clamping portion and the clamping position of the plug opening form a wedge-shaped structure, the first shielding piece is at least partially located in the first sliding groove and the second sliding groove, the plug opening is fast clamped into the clamping portion, and the first shielding piece is reliably plugged into the clamping portion due to the fact that the first shielding piece is at least partially located in the first sliding groove and the second sliding groove.

In one embodiment, the second shielding plate is formed with an abutting elastic sheet, and the abutting elastic sheet abuts against one surface of the first shielding plate, which is far away from the first shielding ground terminal, so that the second shielding plate is reliably electrically connected with the first shielding plate.

In one embodiment, the first shielding plate is formed with a first buckling elastic sheet, the first shielding ground terminal is provided with a first through hole, the first grounding terminal is provided with a second through hole, the first base body is provided with a second avoiding groove communicated with the second through hole, the first grounding terminal is at least partially exposed in the second avoiding groove, the first buckling elastic sheet is respectively arranged in the first through hole and the second through hole in a penetrating manner, the first buckling elastic sheet is abutted against one side of the first grounding terminal, which is far away from the first shielding ground terminal, and the first buckling elastic sheet is respectively arranged in the first through hole and the second through hole and compresses the first grounding terminal towards the direction close to the first shielding ground terminal, so that the first grounding terminal, the first shielding ground terminal and the first shielding plate are tightly attached, and the first shielding plate, the first shielding ground terminal and the first grounding terminal are reliably and electrically connected, the shielding between the adjacent signals of the first connector unit is better realized, and the closed transmission of the signals of the electric connector is ensured.

In one embodiment, the first ground terminal is formed with a first reinforcing elastic sheet, the first reinforcing elastic sheet abuts against one side of the first ground terminal, which is far away from the first shielding ground terminal, and the first reinforcing elastic sheet and the first buckling elastic sheet both abut against one side of the first ground terminal, which is far away from the first shielding ground terminal, so that the first ground terminal, the first shielding ground terminal and the first shielding sheet are attached more tightly and firmly, and the shielding performance of transmission between adjacent signals is better ensured.

In one embodiment, the second shielding plate is formed with a second snap-in spring, the second shielding ground terminal is formed with a third through hole, the second ground terminal is formed with a fourth through hole, the second base body is formed with a third avoiding groove communicated with the fourth through hole, the second ground terminal is at least partially exposed in the third avoiding groove, the second snap-in spring is respectively inserted into the third through hole and the fourth through hole, the second snap-in spring abuts against a side of the second ground terminal away from the second shielding ground terminal, the second snap-in spring compresses the second ground terminal towards a direction close to the second shielding ground terminal through the third through hole and the fourth through hole, so that the second ground terminal, the second shielding ground terminal and the second ground terminal are tightly attached, and the second shielding plate, the second shielding ground terminal and the second ground terminal are reliably electrically connected, the shielding between the adjacent signals of the second connector unit is better realized, and the closed transmission of the signals of the electric connector is ensured.

In one embodiment, the second ground terminal is formed with a second reinforcing elastic sheet, the second reinforcing elastic sheet abuts against one side of the second ground terminal, which is far away from the second shielding ground terminal, and the second reinforcing elastic sheet and the second buckling elastic sheet both abut against one side of the second ground terminal, which is far away from the second shielding ground terminal, so that the second ground terminal, the second shielding ground terminal and the second shielding sheet are attached more tightly and firmly, and the shielding performance of transmission between adjacent signals is better ensured.

Drawings

FIG. 1 is an assembled view of an electrical connector according to one embodiment;

FIG. 2 is a partial schematic view of the electrical connector of FIG. 1;

FIG. 3 is a schematic view of a first connector unit of the electrical connector of FIG. 2;

FIG. 4 is a cross-sectional view of the first connector unit shown in FIG. 3;

FIG. 5 is a schematic view of a second connector unit of the electrical connector of FIG. 2;

FIG. 6 is a cross-sectional view of the second connector unit shown in FIG. 5;

fig. 7 is an exploded view of a first connector unit of the electrical connector of fig. 2;

fig. 8 is a schematic view of the conductive member of the first connector unit shown in fig. 7;

fig. 9 is a cross-sectional view of the electrical connector of fig. 2;

fig. 10 is an enlarged view of a portion of the electrical connector of fig. 9.

Detailed Description

To facilitate an understanding of the present application, an electrical connector will be described more fully below with reference to the associated drawings. Preferred embodiments of the electrical connector are shown in the drawings. However, the electrical connector may take many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the electrical connectors is for the purpose of describing particular embodiments only and is not intended to be limiting of the present application. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1 and 2, an electrical connector 10 of one embodiment includes a first connector unit 100 and a second connector unit 200. Referring to fig. 3 and 4 together, the first connector unit includes a first base 110, a first ground terminal 120, a first shield ground terminal 130, and a first shield sheet 140. The first substrate wraps the first grounding terminal, so that the first grounding terminal wraps the first substrate. In this embodiment, the material of the first substrate is an insulating material, so that the first substrate has insulating properties. In one embodiment, the first substrate is made of plastic material and has better insulating property. In one embodiment, the first substrate is wrapped with the first ground terminal, so that the first substrate fixes the first ground terminal by plastic injection molding.

In one embodiment, the first shielding ground terminal is disposed on one side of the first substrate. The first shielding sheet is arranged on one side, away from the first base body, of the first shielding ground terminal, and the first shielding ground terminal is electrically connected with the first grounding terminal and the first shielding sheet respectively, so that the first grounding terminal is electrically connected with the first shielding sheet through the first shielding ground terminal.

Referring to fig. 5 and 6 together, in one embodiment, the second connector unit includes a second base 210, a second ground terminal 220, a second shield ground terminal 230 and a second shield plate 240. The second substrate wraps the second grounding terminal, so that the second grounding terminal wraps the second substrate. In this embodiment, the material of the second substrate is an insulating material, so that the second substrate has insulating properties. In one embodiment, the second substrate is made of plastic material and has better insulating property. In one embodiment, the second substrate is wrapped with the second ground terminal, so that the second substrate fixes the second ground terminal by plastic injection molding.

In one embodiment, the second ground terminal abuts against the first ground terminal, so that the second ground terminal is electrically connected with the first ground terminal. The second shielding plate is electrically connected with the first shielding plate. The second shielding ground terminal is arranged on one surface of the second base body. The second shielding sheet is arranged on one side, away from the second base body, of the second shielding ground terminal, and the second shielding ground terminal is electrically connected with the second grounding terminal and the second shielding sheet respectively, so that the second grounding terminal is electrically connected with the second shielding sheet through the second shielding ground terminal.

In other embodiments, the material of the first substrate and the material of the second substrate are not limited to plastic, and may be ceramic or other materials. In one embodiment, the first connector unit is a male connector and the second connector unit is a female connector. In other embodiments, the first connector unit is a female connector and the second connector unit is a male connector.

In the electrical connector, the first grounding terminal is covered on the first base body, so that the first grounding terminal is reliably fixed on the first base body. The first shielding ground terminal is electrically connected with the first ground terminal and the first shielding sheet respectively, so that the first ground terminal is electrically connected with the first shielding sheet through the first shielding ground terminal, the second shielding ground terminal is electrically connected with the second ground terminal and the second shielding sheet respectively, so that the second ground terminal is electrically connected with the second shielding sheet through the second shielding ground terminal, the first ground terminal is electrically butted with the second ground terminal, so that the first connector unit is reliably connected with the second connector unit in a grounded manner, and meanwhile, the first ground terminal of the first connector is electrically connected with the first shielding sheet, so that the shielding performance between adjacent signals of the electric connector is better, the closed transmission of the signals of the electric connector is ensured, the antenna effect of signal transmission is reduced, and the bandwidth of signal transmission is increased.

As shown in fig. 2, in one embodiment, the first connector unit further includes first signal terminals 150, and the first base further covers the first signal terminals. In one embodiment, the second connector unit further comprises a second signal terminal 250. The second substrate also covers a second signal terminal, and the second signal terminal is electrically connected with the first signal terminal so as to realize signal transmission. In one embodiment, the first signal terminal is adjacent to the first ground terminal and is arranged side by side with the first ground terminal. The second signal terminal is adjacent to the second ground terminal and is arranged side by side with the second ground terminal, so that the structure of the connector assembly is compact. In one embodiment, the first ground terminal and the first signal terminal are separated, and both the first ground terminal and the first signal terminal are wrapped on the first base. The second ground terminal and the second signal terminal are separated, and the second ground terminal and the second signal terminal are wrapped on the second base body. In this embodiment, the first signal terminal and the first ground terminal are fixed in the first base body by plastic injection, and the second signal terminal and the second ground terminal are fixed in the second base body by plastic injection.

As shown in fig. 3 and 4, in one embodiment, the first connector unit further includes a conductive member 160. The first ground terminal extends to and is electrically connected with the conductive member. The conductive piece is also abutted against the first shielding piece, so that the first grounding terminal is electrically connected with the first shielding piece, and the first grounding terminal is also electrically connected with the first shielding piece through the first shielding ground terminal, so that the shielding property between adjacent signals of the first connector unit is better, and the closed transmission of the signals of the electric connector is better ensured. The second grounding terminal is abutted against the first grounding terminal, so that the second grounding terminal is electrically connected with the first grounding terminal. In addition, the conductive piece combines and electrically connects the first grounding terminal and the first shielding piece, so that the antenna effect of signal transmission is better reduced, and the bandwidth of the signal transmission is increased.

In this embodiment, the conductive member is a plastic plating member, so that the conductive member has better elasticity and conductivity. It is understood that in other embodiments, the conductive elements may also be metal conductive blocks. Because the conductive piece and the first grounding terminal both have conductivity, when the first grounding terminal is in conflict electrical connection with the second grounding terminal, even if the second grounding terminal slides to the conductive piece relative to the first grounding terminal, the first grounding terminal can still be electrically connected with the second grounding terminal through the conductive piece, thereby improving the tolerance of the electrical connector.

In order to make the second grounding terminal and the first grounding terminal better collide, in one embodiment, the conductive member is arranged adjacent to the end part of the second base body, so that the distance required for the second grounding terminal to collide with the first grounding terminal is shorter, and the second grounding terminal and the first grounding terminal can better collide.

As shown in fig. 3 and 4, in order to facilitate the design of the first connector unit with a light and thin structure, in one embodiment, the first substrate is provided with a first avoiding groove 111. The conductive piece is positioned in the first avoiding groove, so that the conductive piece is prevented from protruding out of the first base body, the size of the first connector unit is reduced, and the light and thin design of the structure of the first connector unit is facilitated.

As shown in fig. 7 and 8, in order to make the conductive member and the first ground terminal electrically connected better, in one embodiment, the conductive member is provided with a connecting groove 162, and the first ground terminal extends into the connecting groove and is connected with the conductive member, so that the conductive member and the first ground terminal are reliably connected, and the conductive member and the first ground terminal are electrically connected better. In this embodiment, the cross section of the connecting groove is U-shaped, and the width of the opening of the connecting groove is smaller than the width of the bottom of the connecting groove, so that the first ground terminal is better limited in the connecting groove. The first grounding terminal is exposed out of the periphery of the connecting groove and is abutted against the second grounding terminal, so that the first grounding terminal is electrically connected with the second grounding terminal.

As shown in fig. 7 and 8, in one embodiment, the first shielding plate is provided with a plug opening 142. The conductive member includes a conductive member body 160a and a catching portion 160b connected thereto. The conductive piece body is located in the first avoiding groove, and the connecting groove is formed in the conductive piece body. The clamping portion is clamped into the inserting opening and is electrically connected with the first shielding piece, so that the conductive piece is respectively connected with the first shielding piece and the first grounding terminal, the first shielding piece plays a role of supporting the conductive piece together with the first grounding terminal, the first grounding terminal is prevented from being bent under the action of the conductive piece and even influencing the interference performance of the first grounding terminal and the second grounding terminal, and the first grounding terminal is reliably and electrically connected with the conductive piece and the second grounding terminal respectively. In this embodiment, the insertion opening is opened at an end portion of the first shielding plate adjacent to the second base body. The inserting opening is U-shaped.

As shown in fig. 8, in order to reliably insert the first shielding sheet into the clamping portion, in one embodiment, the clamping portion is respectively provided with a first sliding groove 163 and a second sliding groove 164, so that the clamping portion and the insertion opening are clamped to form a wedge-shaped structure. The first shielding piece is at least partially positioned in the first sliding groove and the second sliding groove, so that the inserting opening is fast clamped into the clamping portion. Because first shielding piece is located first spout and second spout at least partially, make first shielding piece and joint portion peg graft reliably. In this embodiment, the first sliding groove and the second sliding groove are respectively opened at two sides of the clamping portion.

As shown in fig. 6, in one embodiment, the second shielding plate is formed with an abutting elastic sheet 242, and the abutting elastic sheet abuts against a surface of the first shielding plate away from the first shielding ground terminal, so that the second shielding plate is reliably electrically connected with the first shielding plate, and the loop inductance of adjacent signals is reduced, thereby reducing crosstalk to a greater extent. In this embodiment, in the process of the connector being used in a mutual-matching manner, the abutting elastic sheet of the second shielding sheet of the second connector unit part and the shielding sheet of the first connector unit part are in mutual contact, so that the loop inductance of adjacent signals is reduced, and the crosstalk is reduced to a greater extent.

As shown in fig. 9 and 10, in one embodiment, the second ground terminal abuts against the first ground terminal, and the abutting elastic sheet abuts against a surface of the first shielding sheet away from the first shielding ground terminal, so that the second ground terminal and the abutting elastic sheet of the second shielding sheet form a double-contact conduction structure.

As shown in fig. 4 and 7, in one embodiment, the first shielding plate is formed with a first snap spring 144. The first shielding ground terminal is provided with a first through hole 132, the first ground terminal is provided with a second through hole 122, and the first base body is provided with a second avoiding groove 113 communicated with the second through hole. The first grounding terminal is at least partially exposed in the second avoiding groove, the first buckling elastic sheet respectively penetrates through the first through hole and the second through hole, and the first buckling elastic sheet abuts against one side, deviating from the first shielding grounding terminal, of the first grounding terminal.

In one embodiment, the first buckling elastic sheet respectively passes through the first through hole and the second through hole and presses the first grounding terminal towards the direction close to the first shielding grounding terminal, so that the first grounding terminal, the first shielding grounding terminal and the first shielding sheet are tightly attached, the first shielding sheet, the first shielding grounding terminal and the first grounding terminal are reliably and electrically connected, the shielding among adjacent signals of the first connector unit is better realized, and the closed transmission of the signals of the electric connector is ensured. Because the first grounding terminal is provided with the second through hole, the first buckling elastic sheet can conveniently stretch into the first buckling elastic sheet for assembly. In this embodiment, the first buckling elastic sheet is of a bent structure and is formed on a surface of the first shielding sheet adjacent to the first ground terminal, so that the first buckling elastic sheet better abuts against the first ground terminal.

As shown in fig. 4, in one embodiment, the first ground terminal is formed with a first reinforcing resilient piece 124. The first reinforcing elastic sheet is abutted to one side of the first grounding terminal deviating from the first shielding ground terminal, and the first reinforcing elastic sheet and the first buckling elastic sheet are abutted to one side of the first grounding terminal deviating from the first shielding ground terminal, so that the grounding terminal and the middle grounding shielding terminal can be in multipoint reliable contact, the first grounding terminal, the first shielding ground terminal and the first shielding sheet can be attached more tightly and firmly, and the shielding performance of transmission between adjacent signals can be better ensured. In this embodiment, the first base further has a first hollow-out groove 115 corresponding to the first reinforcing elastic sheet, so as to better accommodate the first reinforcing elastic sheet.

As shown in fig. 6, in one embodiment, the second shielding plate is formed with a second snap spring 244. The second shielding ground terminal is provided with a third through hole 232, the second ground terminal is provided with a fourth through hole 222, and the second base body is provided with a third avoiding groove 212 communicated with the fourth through hole. The second grounding terminal is at least partially exposed in the third avoiding groove, the second buckling elastic sheet respectively penetrates through the third through hole and the fourth through hole, and the second buckling elastic sheet abuts against one side, deviating from the second shielding grounding terminal, of the second grounding terminal.

In one embodiment, the second buckling elastic sheet respectively passes through the third through hole and the fourth through hole and presses the second grounding terminal towards the direction close to the second shielding grounding terminal, so that the second grounding terminal, the second shielding grounding terminal and the second shielding sheet are tightly attached, the second shielding sheet, the second shielding grounding terminal and the second grounding terminal are reliably and electrically connected, the shielding between adjacent signals of the second connector unit is better realized, and the closed transmission of the signals of the electric connector is ensured. Because the second grounding terminal is provided with the fourth through hole, the second buckling elastic sheet can conveniently stretch into the second buckling elastic sheet for assembly. In this embodiment, the second buckling elastic sheet is of a bent structure and is formed on a surface of the second shielding sheet adjacent to the second ground terminal, so that the second buckling elastic sheet better abuts against the second ground terminal.

As shown in fig. 6, in one embodiment, the second ground terminal is formed with a second reinforcing elastic sheet 224, the second reinforcing elastic sheet abuts against one side of the second ground terminal departing from the second shielding ground terminal, and both the second reinforcing elastic sheet and the second buckling elastic sheet abut against one side of the second ground terminal departing from the second shielding ground terminal, so that the ground terminal and the middle grounding shielding terminal can be reliably contacted at multiple points, the second ground terminal, the second shielding ground terminal and the second shielding sheet can be attached more tightly and firmly, and the shielding performance of transmission between adjacent signals can be better ensured. In this embodiment, the second base further has a second hollow 215 corresponding to the second reinforcing elastic piece, so as to better accommodate the second reinforcing elastic piece.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the claims. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present application shall be subject to the appended claims.

Claims (10)

1. An electrical connector, comprising:

the first connector unit comprises a first base body, a first grounding terminal, a first shielding ground terminal and a first shielding sheet, wherein the first base body covers the first grounding terminal, the first shielding ground terminal is arranged on one surface of the first base body, the first shielding sheet is arranged on one side, away from the first base body, of the first shielding ground terminal, and the first shielding ground terminal is electrically connected with the first grounding terminal and the first shielding sheet respectively;

the second connector unit comprises a second base body, a second grounding terminal, a second shielding grounding terminal and a second shielding sheet, wherein the second base body covers the second grounding terminal, the second grounding terminal is abutted against the first grounding terminal, and the second shielding sheet is electrically connected with the first shielding sheet; the second shielding ground terminal is arranged on one surface of the second base body, the second shielding sheet is arranged on one side, deviating from the second base body, of the second shielding ground terminal, and the second shielding ground terminal is respectively electrically connected with the second grounding terminal and the second shielding sheet.

2. The electrical connector of claim 1, wherein the first connector unit further comprises a conductive member, the first ground terminal extends to and is electrically connected to the conductive member, and the conductive member further interferes with the first shield piece; the second ground terminal abuts against the first ground terminal.

3. The electrical connector of claim 2, wherein the first body defines a first avoiding groove, the conductive member is disposed in the first avoiding groove, the conductive member defines a connecting groove, and the first ground terminal extends into the connecting groove and is connected to the conductive member.

4. The electrical connector of claim 3, wherein the first shielding plate has an insertion opening, the conductive member includes a conductive member body and a clamping portion, the conductive member body is located in the first avoiding groove, the connecting groove is disposed in the conductive member body, and the clamping portion is clamped into the insertion opening and electrically connected to the first shielding plate.

5. The electrical connector of claim 4, wherein the engaging portion has a first sliding groove and a second sliding groove, so that a wedge-shaped structure is formed at a position where the engaging portion engages with the insertion opening, and the first shielding plate is at least partially located in the first sliding groove and the second sliding groove.

6. The electrical connector of claim 1, wherein the second shielding plate is formed with an abutting elastic piece abutting against a surface of the first shielding plate facing away from the first shielding ground terminal.

7. The electrical connector of any one of claims 1 to 6, wherein the first shielding plate is formed with a first buckling elastic sheet, the first shielding ground terminal is provided with a first through hole, the first ground terminal is provided with a second through hole, the first base is provided with a second avoiding groove communicated with the second through hole, the first ground terminal is at least partially exposed in the second avoiding groove, the first buckling elastic sheet is respectively inserted into the first through hole and the second through hole, and the first buckling elastic sheet abuts against one side of the first ground terminal, which is far away from the first shielding ground terminal.

8. The electrical connector of claim 7, wherein the first ground terminal is formed with a first reinforcing spring, and the first reinforcing spring abuts against a side of the first ground terminal away from the first shielding ground terminal.

9. The electrical connector according to any one of claims 1 to 6, wherein the second shielding plate is formed with a second buckling elastic piece, the second shielding ground terminal is provided with a third through hole, the second ground terminal is provided with a fourth through hole, the second base is provided with a third avoiding groove communicated with the fourth through hole, the second ground terminal is at least partially exposed in the third avoiding groove, the second buckling elastic piece is respectively inserted into the third through hole and the fourth through hole, and the second buckling elastic piece abuts against one side of the second ground terminal, which is far away from the second shielding ground terminal.

10. The electrical connector of claim 9, wherein the second ground terminal is formed with a second reinforcing spring, and the second reinforcing spring abuts against a side of the second ground terminal away from the second shielding ground terminal.

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