Shielding case isolation layer electric connector and electric connector combination

Abstract

The invention discloses a shielding case isolating layer electric connector and an electric connector combination, and the shielding case isolating layer electric connector comprises an insulating shell which is provided with a first region and a second region which are adjacent to each other; the shielding cover surrounds and covers the periphery of the insulating shell by a circle; a first contact terminal disposed within the first region; a second contact terminal disposed within the second region; an isolation member disposed between the first region and the second region for isolating the first contact terminal and the second contact terminal; the isolation member is provided with an extension sheet which protrudes to the front end of the insertion end of the insulation shell along the pulling-out direction of the butting connector, and when the shielding case isolation layer electric connector is butted with the butting connector, the extension sheet is correspondingly inserted into the butting connector. The first butt-joint terminal is correspondingly in butt joint with the first contact terminal, and the second butt-joint terminal is correspondingly in butt joint with the second contact terminal.

Description

Technical Field

[0001] The present application relates to a shielding cover isolation layer electrical connector and an electrical connector combination. Background Art

[0002] In the prior art, in one of the fields of electrical connectors, there is a connector type that mixes power and signal terminals, where the contact terminals for power transmission and the contact terminals for signal transmission are arranged adjacent to each other. In practice, there is mutual interference between the contact terminals for power transmission and the contact terminals for signal transmission, and in particular, power transmission can have an adverse effect on signal transmission.

[0003] Therefore, it is necessary to design a shielding cover isolation layer electrical connector and an electrical connector combination to solve the above technical problems. Summary of the invention

[0004] The purpose of the present application is to provide a shielding cover isolation layer electrical connector and an electrical connector combination, which can reduce or even eliminate mutual interference between different terminals.

[0005] To achieve the above objectives, this application provides the following technical solutions: A shielding cover isolation layer electrical connector, comprising: An insulating housing, defined as having an insertion end for docking with the docking connector and a tail end away from the insertion end along the plugging and unplugging direction, the insulating housing having a first area and a second area disposed adjacently; A shielding cover surrounds and covers the four sides of the shell; A first contact terminal, arranged in the first area; a second contact terminal, arranged in the second area; an isolation member, disposed between the first region and the second region of the insulating housing, and used to isolate the first contact terminal in the first region from the second contact terminal in the second region; The isolation component is formed with an extension piece protruding to the front end of the insertion end of the insulating shell along the removal direction of the docking connector. When the shielding cover isolation layer electrical connector is docked with the docking connector, the extension piece is correspondingly inserted into the docking connector to isolate the first docking terminal corresponding to the first contact terminal and the second docking terminal corresponding to the second contact terminal in the docking connector.

[0006] Furthermore, the isolation member is provided with contact portions at both side edges along the left and right directions perpendicular to the plugging and unplugging direction, respectively, and the contact portions are in electrical contact with the inner surface of the shielding cover.

[0007] Furthermore, the contact portion is formed by bending both side edges of the isolation member along the left-right direction in the up-down direction perpendicular to the plugging and unplugging direction and the left-right direction, and the outer surface of the contact portion is attached to the inner surface of the shielding cover and fixed by welding.

[0008] Further, the insulating housing is formed with a first docking cavity and a first docking cavity opened to one end, and the first docking cavity and the first docking cavity are separated by an insulating spacer in the up-down direction to form the first area and the second area; The insulating spacer and the insulating housing are an integral component; The isolation member is in sheet form and is attached to the upper surface or the lower surface of the insulating spacer; The isolation component extends along the plugging and unplugging direction of the docking connector over the entire length of the insulating body.

[0009] Furthermore, a lock limit portion is convexly formed on the insulating spacer, and a lock limit hole is formed through the insulating member. The insulating member is assembled and fixed to the insulating shell along the insertion direction of the docking connector by the open end of the insulating shell, and the lock limit portion corresponds to the lock limit hole and is snap-fitted.

[0010] Furthermore, the isolation member is provided with a plurality of slots and a plurality of finger-shaped pieces at the front end of the insertion direction of the docking connector, and the plurality of finger-shaped pieces are inserted and fixed in the insulating body along the insertion direction of the docking connector and exposed outside the rear end of the insulating body; The insulating body is formed with a locking column at the front end along the insertion direction of the docking connector, which corresponds to the locking limit and is located in the locking groove.

[0011] Further, the shielding cover includes an upper shielding member and a lower shielding member; The upper shielding member covers the upper surface of the insulating body and the upper half of the left and right outer side surfaces; The lower shielding component covers the lower surface of the insulating body and the lower half of the left and right outer side surfaces.

[0012] Further, it includes: an upper bending portion formed by bending the lower end edge of the portion of the upper shielding member covering the left and right outer side surfaces of the insulating body inwardly; An upper bending portion is formed by bending the upper end edge of the portion of the lower shielding member covering the left and right outer side surfaces of the insulating body inwardly; The card slot is formed by an inward concave arrangement of the outer surface of the insulating body, and the upper bending parts are stacked and contacted with each other in the up-down direction and are correspondingly limited and accommodated in the card slot.

[0013] Furthermore, it includes: a plurality of folded parts, which are formed by folding back one end of the shielding cover, and the folded parts are correspondingly buckled and fixed to the edge of one end of the insulating body.

[0014] To achieve the above objectives, this application provides the following technical solutions: An electrical connector assembly, comprising the shielding cover isolation layer electrical connector as described in any one of the above, and also comprising a docking connector docked with the shielding cover isolation layer electrical connector, the docking connector comprising: An insulating seat, defined to have a first matching area and a second matching area; A first matching terminal, arranged in the first matching area; A second matching terminal is arranged in the second matching area; The insertion groove is formed between the first matching area and the second matching area, when the shielding cover isolation layer electrical connector is connected to the docking connector along the plugging direction: The first region is correspondingly engaged with the first matching region, and the first contact terminal is correspondingly in electrical contact with the first matching terminal; The second region is correspondingly engaged with the second matching region, and the second contact terminal is correspondingly in electrical contact with the second matching terminal; The extending pieces are correspondingly inserted into the inserting grooves.

[0015] Furthermore, the insertion groove passes through the insulating seat along the plugging direction, and the extension piece covers the entire length area of ​​the insulating seat along the plugging direction.

[0016] Compared with the prior art, the beneficial effect of the present application is that it can reduce or even eliminate the mutual interference between the first contact terminal and the second contact terminal. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional schematic diagram of the electrical connector combination of the present application, specifically showing a three-dimensional schematic diagram after the shield cover isolation layer electrical connector and the docking connector are docked.

[0018] Figure 2 It is a three-dimensional schematic diagram of the electrical connector combination of the present application, specifically showing a three-dimensional schematic diagram of the shield cover isolation layer electrical connector before docking with the docking connector.

[0019] Figure 3 yes Figure 2 A three-dimensional schematic diagram of the CEC connector assembly from another angle.

[0020] Figure 4 It is a partial stereoscopic schematic diagram of the shield cover isolation layer electrical connector of the present application, specifically showing the stereoscopic schematic diagram after the shield cover and the isolation component are separated from the insulating body.

[0021] Figure 5 yes Figure 4 A magnified view of the structure within the dashed box.

[0022] Figure 6 It is a partial stereoscopic schematic diagram of the shielding cover isolation layer electrical connector of the present application, specifically showing the stereoscopic schematic diagram after the shielding cover and the isolation component are separated from the insulating body, and further showing the stereoscopic schematic diagram when the upper shielding component, the lower shielding component and the isolation component are separated from each other.

[0023] Figure 7 It is a partial stereoscopic schematic diagram of the shielding cover isolation layer electrical connector of the present application, specifically showing the stereoscopic schematic diagram after the shielding cover and the isolation component are separated from the insulating body, and further showing the stereoscopic schematic diagram when the upper shielding component and the lower shielding component are combined with each other but separated from the isolation component.

[0024] Figure 8 It is a front view of the shielding cover isolation layer electrical connector of the present application.

[0025] Fig. 9 It is Figure 8 Section view along line AA. DETAILED DESCRIPTION

[0026] The following will be combined with the accompanying drawings to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0027] In the description of this application, it should be understood that the terms "include" and "have" and any variations thereof used herein are intended to cover non-exclusive inclusions. For example, a process, method, system, product or apparatus comprising a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to these processes, methods, products or apparatuses.

[0028] In addition, for the accuracy of the description of the entire application, all directions involved in the entire application should be referred to as Figure 1 For reference, the direction of the X-axis is defined as the left-right direction; the direction of the Y-axis is defined as the up-down direction, where the positive direction of the Y-axis is upward; the direction of the Z-axis is defined as the plug-in direction, where the positive direction of the Z-axis is the insertion direction of the docking connector 200.

[0029] Please refer to Figures 1 to 9As shown, an electrical connector assembly disclosed in the present application is shown. The dia connector assembly includes a shielding cover isolation layer electrical connector 100 and a docking connector 200 that are docked with each other. More specifically, it can be understood that the shielding cover isolation layer electrical connector 100 is a socket end, and the docking connector 200 is a plug end.

[0030] The shielding cover isolation layer electrical connector 100 includes an insulating housing 10, a plurality of terminal parts fixed to the insulating body 10, a shielding cover 20 and an isolation member 50. The insulating housing 10 is formed by injection molding of an insulating material, and includes a top plate 111 and a bottom plate 112 arranged opposite to each other in the up-down direction, two left and right side plates 113 connecting the ends of the top plate 111 and the bottom plate 112 in the left-right direction, and an end plate 114 that closes the top plate 111, the bottom plate 112 and the two left and right side plates 113 at the insertion front end of the docking connector 200. The top plate 111, the bottom plate 112, the two left and right side plates 113 and the end plate 114 are jointly enclosed to form a plug-in space (not numbered) that is open in the removal direction of the docking connector 200.

[0031] Furthermore, the insulating housing 10 of the shielding cover isolation layer electrical connector 100 of the present application also includes an insulating spacer 13, which divides the plug-in space into a first docking cavity 101 and a second docking cavity 102 along the up and down direction. The first docking cavity 101 defines a first area 11; the second docking cavity 102 defines a second area 12. The left and right side edges of the insulating spacer 13 correspond to the inner surfaces of the left and right side plates 113, respectively, and the front end edge of the insulating spacer 13 along the insertion direction of the docking connector 200 corresponds to the inner surface of the end plate 114. The outer shape of the insulating housing 10 in this embodiment is roughly a rectangular barrel with one end open. The insulating housing 10 is defined to have an insertion end 101 that docks with the docking connector 200 and a tail end 102 (that is, the end where the end plate 114 is located) away from the insertion end 101 (that is, the open end of the plug-in space) along the plug-in direction.

[0032] Please combine Figure 4 and Figure 8 As shown, in the embodiment of the present application, the terminal member includes a plurality of first contact terminals 30 and a plurality of second contact terminals 40. For example, the plurality of first contact terminals 30 can be set as signal terminals; the plurality of second contact terminals 40 can be set as four power terminals arranged in the left-right direction and two function terminals arranged in the up-down direction (for details, please refer to Figure 8As shown). Each of the terminal pieces includes a fixed section (not shown) fixed in the end plate 114, a contact section (not shown) formed by extending the fixed section into the plug-in space, and a docking section (not shown) extending from the fixed section in the insertion direction of the docking connector 200 and protruding out of the end plate 114. The contact section is used to electrically connect to the docking connector 200, and the docking section corresponds to electrical contact with the circuit board module inside the device. In a preferred embodiment of the present application, the first contact terminal 30 is arranged in the first area 11; the second contact terminal 40 is arranged in the second area 12.

[0033] Please refer to Figures 2 to 9 As shown, the isolation member 50 is formed by stamping a metal plate and is roughly in the shape of a plate extending along a horizontal plane. The isolation member 50 is provided with a plurality of positioning grooves 54 and a plurality of finger-shaped pieces 55 at the front end position in the insertion direction of the docking connector 200. The end plate 114 is provided with a plurality of insertion holes 1141 (see FIG. Figure 3 As shown). The plurality of said plug-in holes 1141 are separated by the locking spacers 14 in the left-right direction. The said isolation member 50 is inserted and assembled on the said insulating body 10 along the insertion direction of the docking connector 200. Correspondingly, the said isolation member 50 is attached to the upper surface or the lower surface of the said insulating spacer 13. The plurality of said finger-shaped pieces 55 are correspondingly inserted into the said plug-in holes 1141. The said locking spacers 14 are locked in the said locking grooves 54. The plurality of said finger-shaped pieces 55 are exposed outside the tail end 102 of the said insulating body 10 along the insertion direction of the docking connector 200. In order to make the assembly between the said isolation member 50 and the insulating body 10 more stable and firm, in a preferred embodiment, a locking limit portion 131 is convexly formed on the said insulating spacer 13, and a locking limit hole 53 is formed through the said isolation member 50. The said locking limit portion 131 is correspondingly locked with the said locking limit hole 53.

[0034] The isolation member 50 is disposed between the first area 11 and the second area 12 of the insulating housing 10, and is used to isolate the first contact terminal 30 in the first area 11 from the second contact terminal 40 in the second area 12. Figures 2 to 4 and Fig. 9As shown, the isolation member 50 is further formed with an extension piece 51 protruding to the front end of the insertion end 101 of the insulating housing 10 along the direction of the docking connector 200 being pulled out. When the shield cover isolation layer electrical connector 100 is docked with the docking connector 200, the extension piece 51 is correspondingly inserted into the docking connector 200 to isolate the first docking terminal 21 corresponding to the first contact terminal 30 and the second docking terminal 22 corresponding to the second contact terminal 40 in the docking connector 200 (for details, please refer to Figure 3 shown).

[0035] Please refer to Figures 2 to 9 As shown, in a preferred embodiment of the present application, the shielding cover 20 is formed by stamping and bending a metal plate and surrounds and covers the shell 10 in a circle (one circle of the outer surface). In a preferred embodiment, the shielding cover 20 includes an upper shielding member 21 and a lower shielding member 22. The upper shielding member 21 covers the upper surface of the insulating body 10 (that is, the outer surface of the top plate 111) and the upper half of the left and right outer side surfaces (that is, the upper half of the outer surface of the left and right side plates 113). The lower shielding member 22 covers the lower surface of the insulating body 10 (that is, the outer surface of the bottom plate 112) and the lower half of the left and right outer side surfaces (that is, the lower half of the outer surface of the left and right side plates 113). More specifically, the lower edge of the portion of the upper shielding member 21 covering the left and right outer side surfaces of the insulating body 10 is bent inward to form an upper bending portion 211; the upper edge of the portion of the lower shielding member 22 covering the left and right outer side surfaces of the insulating body 10 is bent inward to form an upper bending portion 221; the outer side surface of the insulating body 10 (that is, the outer surface of the left and right side plates 113) is concave inward to form a card slot 15; the upper bending portion 211 and the upper bending portion 221 are stacked and contacted in the up and down direction and are correspondingly limited and accommodated in the card slot 15. In some other embodiments, the upper bending portion 211 and the upper bending portion 221 can be fixed by spot welding.

[0036] Please refer to Figure 2 , Figure 4 and Figure 5As shown, the shielding cover 20 is folded inward at the end edge of the insertion end 101 to form a plurality of folded portions 201, and the folded portions 201 are correspondingly buckled and fixed to the edge of the insertion end 101 of the insulating body 10, specifically, the folded portions 201 are buckled at the end edge positions of the insertion end 101 of the top plate 111, the bottom plate 112 and the left and right side plates 113. Further, the isolation member 50 is respectively formed with contact portions 52 on both side edges along the left and right directions perpendicular to the plug-in and unplug direction, and the contact portions 52 are correspondingly in electrical contact with the inner surface of the shielding cover 20. The contact portions 52 are formed by bending the two side edges along the left and right directions of the isolation member 50 along the up and down directions perpendicular to the plug-in and unplug direction and the left and right directions, and the outer surface of the contact portion 52 is attached to the inner surface of the shielding cover 20 and fixed by welding to achieve fixation and electrical conduction with the shielding cover 20.

[0037] In other embodiments, the upper shielding member 21 and the lower shielding member 22 may also be designed as a one-piece structure. In addition, in order to enable the isolation member 50 to have better shielding and isolation performance, preferably, the isolation member 50 extends along the full length of the insulating body 10 along the plugging and unplugging direction of the docking connector 200, and the isolation member 50 extends along the full width of the insulating spacer 13 in the left-right direction (or the extension width of the isolation member 50 in the left-right direction at least covers the arrangement area of ​​the first contact terminal 30 in the left-right direction, and the extension width of the isolation member 50 in the left-right direction at least covers the arrangement area of ​​the second contact terminal 40 in the left-right direction).

[0038] Please refer to Figure 1 , Figure 2 and Figure 3As shown, the docking connector includes: an insulating seat 60, which is defined to have a first matching area 61 and a second matching area 62; a first matching terminal 70, which is arranged in the first matching area 61; a second matching terminal 80, which is arranged in the second matching area 62; and an insertion slot 90, which is formed between the first matching area 61 and the second matching area 62. When the shielding cover isolation layer electrical connector is docked with the docking connector along the plugging direction: the first area 11 is correspondingly engaged with the first matching area 61, the first contact terminal 30 is correspondingly in electrical contact with the first matching terminal 70, the second area 12 is correspondingly engaged with the second matching area 62, and the second contact terminal 40 is correspondingly in electrical contact with the second matching terminal 80; the extension piece 51 is correspondingly inserted into the insertion slot 90. In a preferred embodiment, the insertion slot 90 penetrates the insulating seat 60 along the plugging direction, and the extension piece 51 covers the entire length of the insulating seat 60 along the plugging direction. In addition, the extension width of the isolation member 50 in the left-right direction at least covers the arrangement area of ​​the first matching terminals 70 in the left-right direction, and the extension width of the isolation member 50 in the left-right direction at least covers the arrangement area of ​​the second matching terminals 80 in the left-right direction.

[0039] In the present application, an isolation member 50 is provided on the shielding cover isolation layer electrical connector, and an extension piece 51 is formed which protrudes to the front end of the insertion end 101 of the insulating housing 10 along the removal direction of the docking connector 200. When the shielding cover isolation layer electrical connector 100 is docked with the docking connector 200, the extension piece 51 can form an isolation shield between the first contact terminal 30 and the second contact terminal 40 in the shielding cover isolation layer electrical connector 100, and can also form an isolation shield between the first matching terminal 70 and the second matching terminal 80 in the docking connector 200. In this way, the mutual interference between the first contact terminal 30 and the second contact terminal 40 can be reduced or even eliminated. The shielding cover isolation layer electrical connector 100 and the electrical connector combination designed in the present application have a simple overall structure, a high mass production yield, and a good shielding effect.

[0040] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.

[0041] Although the embodiments of the present application have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present application, and that the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A shielding cover isolation layer electrical connector, characterized in that: include: An insulating housing (10) is defined to have an insertion end (101) for docking with a docking connector (200) and a tail end (102) away from the insertion end (101) along a plugging and unplugging direction, and the insulating housing (10) has a first area (11) and a second area (12) arranged adjacent to each other; A shielding cover (20) surrounds and covers the four sides of the housing (10); A first contact terminal (30) arranged in the first area (11); A second contact terminal (40) arranged in the second area (12); an isolation member (50), arranged between the first area (11) and the second area (12) of the insulating housing (10), and used for isolating the first contact terminal (30) in the first area (11) from the second contact terminal (40) in the second area (12); The isolation member (50) is formed with an extension piece (51) protruding to the front end of the insertion end (101) of the insulating housing (10) along the removal direction of the docking connector (200); when the shielding cover isolation layer electrical connector is docked with the docking connector (200), the extension piece (51) is correspondingly inserted into the docking connector (200) for isolating a first docking terminal (21) corresponding to the first contact terminal (30) and a second docking terminal (22) corresponding to the second contact terminal (40) in the docking connector (200).

2. The shielding cover isolation layer electrical connector according to claim 1, characterized in that: The isolation component (50) is respectively provided with contact portions (52) along both side edges in the left and right directions perpendicular to the plugging and unplugging direction, and the contact portions (52) are in electrical contact with the inner surface of the shielding cover (20).

3. The shielding cover isolation layer electrical connector according to claim 2, characterized in that: The contact portion (52) is formed by bending the two side edges of the isolation member (50) along the left-right direction in the up-down direction perpendicular to the plugging and unplugging direction and the left-right direction, and the outer surface of the contact portion (52) is attached to the inner surface of the shielding cover (20) and fixed by welding.

4. The shielding cover isolation layer electrical connector according to claim 1, characterized in that: The insulating housing (10) is formed with a first docking cavity (101) and a first docking cavity (102) which are open at one end, and the first docking cavity (101) and the first docking cavity (102) are separated from each other in the up-down direction by an insulating spacer (13) to form the first area (11) and the second area (12); The insulating spacer (13) and the insulating housing (10) are an integral component; The isolation member (50) is in sheet form and is attached to the upper surface or the lower surface of the insulating spacer (13); The isolation component (50) extends along the entire length of the insulating body (10) along the plugging and unplugging direction of the docking connector (200).

5. The shielding cover isolation layer electrical connector according to claim 4, characterized in that: A locking stop portion (131) is convexly formed on the insulating spacer (13), and a locking stop hole (53) is formed through the insulating member (50). The insulating member (50) is assembled and fixed to the insulating housing (10) along the insertion direction of the docking connector (200) from the open end of the insulating housing (10), and the locking stop portion (131) is snap-fitted with the locking stop hole (53).

6. The shielding cover isolation layer electrical connector according to claim 5, characterized in that: The isolation member (50) is provided with a plurality of latching grooves (54) and a plurality of finger-shaped pieces (55) at the front end position in the insertion direction of the docking connector (200); the plurality of finger-shaped pieces (55) are inserted and fixed in the insulating body (10) along the insertion direction of the docking connector (200) and exposed outside the rear end (102) of the insulating body (10); The insulating body (10) is formed with a locking column (14) at the front end position along the insertion direction of the docking connector (200) and correspondingly positioned in the locking groove (54).

7. The shielding cover isolation layer electrical connector according to any one of claims 1 to 6, characterized in that: The shielding cover (20) comprises an upper shielding part (21) and a lower shielding part (22); The upper shielding member (21) covers the upper surface of the insulating body (10) and the upper half of the left and right outer side surfaces; The lower shielding member (22) covers the lower surface of the insulating body (10) and the lower half of the left and right outer side surfaces.

8. The shielding cover isolation layer electrical connector according to claim 7, characterized in that: include: An upper bent portion (211) is formed by bending the lower edge of the portion of the upper shielding member (21) covering the left and right outer side surfaces of the insulating body (10) inwardly; An upper bent portion (221) is formed by bending inwardly the upper end edges of the portions of the lower shielding member (22) covering the left and right outer side surfaces of the insulating body (10); The card slot (15) is formed by an inwardly concave arrangement of the outer surface of the insulating body (10); the upper bending portion (211) and the upper bending portion (221) are stacked and contacted in the up-down direction and are correspondingly limited and accommodated in the card slot (15).

9. The shielding cover isolation layer electrical connector according to claim 8, characterized in that: include: A plurality of folded portions (201) are formed by folding back one end of the shielding cover (20), and the folded portion (201) is correspondingly buckled and fixed to an edge of one end of the insulating body (10).

10. An electrical connector assembly, comprising the shielding cover isolation layer electrical connector according to any one of claims 1 to 9, characterized in that: It also includes a docking connector docked with the shielding cover isolation layer electrical connector, the docking connector includes: An insulating seat (60) is defined to have a first matching area (61) and a second matching area (62); A first matching terminal (70) arranged in the first matching area (61); A second matching terminal (80) is arranged in the second matching area (62); The insertion groove (90) is formed between the first matching area (61) and the second matching area (62), and when the shielding cover isolation layer electrical connector is connected to the docking connector along the plugging and unplugging direction: The first region (11) is correspondingly engaged with the first matching region (61), and the first contact terminal (30) is correspondingly in electrical contact with the first matching terminal (70); The second region (12) is correspondingly engaged with the second matching region (62), and the second contact terminal (40) is correspondingly in electrical contact with the second matching terminal (80); The extension piece (51) is correspondingly inserted into the insertion groove (90).

11. The electrical connector assembly according to claim 10, characterized in that: The insertion groove (90) penetrates the insulating seat (60) along the plugging direction, and the extension piece (51) covers the entire length of the insulating seat (60) along the plugging direction.

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