CN114039249A

CN114039249A - Electric connector and electric connector combination

Info

Publication number: CN114039249A
Application number: CN202111280453.0A
Authority: CN
Inventors: 陆元成; 莫兴建
Original assignee: Lotes Co Ltd
Current assignee: Lotes Co Ltd
Priority date: 2021-07-22
Filing date: 2021-10-29
Publication date: 2022-02-11
Also published as: CN115377756A; CN216818845U; CN218919487U

Abstract

An electrical connector assembly comprising: an electrical connector, comprising: insulator with inserting groove, cladding in the outer metal casing of insulator, metal casing including shielding the portion, locating two cooperation portions of shielding portion both sides in the first direction, cooperation portion is sunken to form in one side of the second direction of perpendicular to first direction to the opposite side and is stepped down the space, with the butting connector of electric connector grafting, include: the fool-proof parts are arranged on two sides of the butting connector in the first direction, and the projections of the two fool-proof parts in the first direction are overlapped; in the second direction, the first plate part and the second plate part are arranged on two sides of the butting connector, the fool-proof part is positioned between the first plate part and the second plate part, a first gap and a second gap are formed between the fool-proof part and the first plate part and between the fool-proof part and the second plate part, and the width of the first gap is larger than that of the second gap; the butting connector is spliced with the electric connector, the first plate part and the second plate part are positioned on two outer sides of the shielding part in the second direction, the fool-proof part is contained in the matching part, and the yielding space is superposed with the first gap.

Description

Electric connector and electric connector combination

[ technical field ] A method for producing a semiconductor device

The present invention relates to an electrical connector and an electrical connector assembly, and more particularly, to an electrical connector and an electrical connector assembly capable of reducing the manufacturing cost and the structural complexity and optimizing the alignment structure of the connector.

[ background of the invention ]

Chinese application No. CN201820350321.8 discloses an improved connector assembly, which includes a plug connector and a socket connector that are connected with each other, wherein an insulating body of the socket connector includes a plurality of board bodies, the board bodies include an auxiliary connecting structure and two main connecting structures, and one of the auxiliary connecting structure and the two main connecting structures correspond to an auxiliary connecting piece and two main connecting pieces respectively, which are disposed on the insulating body of the plug connector.

In the above structure, there are the following problems:

1. the structures of the socket connector and the plug connector which are matched with each other are correspondingly arranged on the insulating body respectively, so that the forming process of the insulating body is complex, the requirement on the product precision is high, and the production cost is increased.

2. The structure of the plug connector and the socket connector for mutual matching is provided with an auxiliary structure and two main structures, so that the structure of the plug connector and the socket connector is complicated, and the miniaturization of the plug connector and the socket connector is not facilitated due to more matching structures between the plug connector and the socket connector.

Therefore, there is a need for a new electrical connector and method of making the same to overcome the above problems.

[ summary of the invention ]

In view of the problems encountered in the prior art, an object of the present invention is to provide an electrical connector and an electrical connector assembly with reduced cost and easy manufacturing, in which the mating structure of the electrical connector is disposed on the metal housing, so that the manufacturing difficulty and cost are greatly reduced compared with the mating structure disposed on the insulation body that needs to be injection molded, and stable connection can be achieved without designing an auxiliary mating structure, thereby further facilitating the miniaturization of the electrical connector.

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

an electrical connector assembly, comprising: an electrical connector, comprising: the insulating body comprises a plug-in groove; the metal shell is coated on the outer side of the insulating body and comprises a shielding part and two matching parts which are arranged on two sides of the shielding part in a first direction respectively, one side of each matching part in a second direction is sunken to the other side to form an abdicating space, and the second direction is perpendicular to the first direction; a mating connector, the mating connector mating-plugging with the electrical connector along a third direction, the third direction being perpendicular to the first direction and the second direction, comprising: the fool-proof parts are respectively correspondingly arranged on two sides of the butting connector in the first direction, and the projections of the two fool-proof parts in the first direction are overlapped; a first plate portion provided at one side of the mating connector in the second direction; the second plate part is arranged on the other side of the butting connector in the second direction and is arranged at an interval with the first plate part; in the second direction, the fool-proof portion is located between the first board portion and the second board portion, a first gap is formed between each fool-proof portion and the first board portion, a second gap is formed between each fool-proof portion and the second board portion, and the width of the first gap in the second direction is larger than that of the second gap in the second direction; the butting connector is spliced with the electric connector, the first plate part and the second plate part are respectively and correspondingly positioned on two outer sides of the shielding part in the second direction, the fool-proof part is contained in the matching part, and the abdicating space is overlapped with the first gap.

Furthermore, the two sides of the insulating body in the first direction are respectively provided with a protruding part, the protruding parts are positioned on one outer side of the matching parts in the third direction, and the protruding parts are abutted to the matching parts.

Further, the part of bulge is located let a space be in the outside on the third direction, just the part of bulge is in projection on the third direction with let a space be in projection coincidence on the third direction, the bulge has one and prevents slow-witted fixed orifices, each the cooperation portion is in corresponding prevent slow-witted fixed orifices the position to prevent slow-witted fixed orifices in be the straight line and extend and form one and prevent slow-witted fixed part, prevent that slow-witted fixed part is fixed in prevent slow-witted fixed orifices.

Furthermore, the butting connector is provided with a butting part which is matched and spliced with the splicing groove, a plurality of conductive terminals are arranged on the butting part, each conductive terminal is provided with a connecting part which is positioned between the second plate part and the butting part, one side of the shielding part far away from the abdicating space is sunken towards the third direction to form a matching concave part, the butting connector is spliced with the electric connector, and the matching concave part is arranged opposite to the connecting part in the third direction.

Furthermore, the matching part is provided with a buckling hole communicated with the yielding space, the butting connector is provided with a buckling piece, the buckling piece is in matched clamping connection with the buckling hole, and at least part of the buckling piece is exposed out of the yielding space.

Furthermore, the fool-proof portion is provided with an accommodating space, the buckling piece comprises a main body portion and a buckling hook portion, the main body portion is accommodated in the accommodating space, the buckling hook portion protrudes out of the fool-proof portion and is exposed out of the first gap, the butting connector is connected to the electric connector in an inserting mode, and the buckling hook portion is matched and buckled with the buckling hole in a clamping mode.

The other technical scheme is as follows:

an electrical connector for electrically connecting with a mating connector, the mating connector comprising: a first plate portion; a second plate portion disposed opposite to the first plate portion with a gap therebetween; a fool-proof portion between the first plate portion and the second plate portion; it is characterized by comprising: the insulating body comprises two first end walls which are opposite and arranged at intervals; the metal shell is coated on the outer side of the insulating body and comprises a first side wall, a second side wall and two second end walls, wherein the second side wall is opposite to the first side wall and is arranged at intervals; an accommodating space is formed among the first end wall, the abdicating part, the second end wall and at least part of the second side wall, the electric connector further comprises an abdicating space which is arranged adjacent to the accommodating space, and the abdicating part is positioned between the abdicating space and the accommodating space; the butting connector is electrically connected with the electric connector, the first plate portion abuts against the outer side of the shielding portion, the second plate portion abuts against the outer side of the second side wall, the fool-proof portion is contained in the containing space, the yielding space is located between the fool-proof portion and the first plate portion, and the second side wall is located between the second plate portion and the fool-proof portion.

Furthermore, the two sides of the insulating body in the longitudinal direction are respectively provided with a protruding part, the protruding parts are located below the yielding parts, and the protruding parts are abutted to the yielding parts.

Further, the part of bulge is located let the below in space, just the projection of the part of bulge on upper and lower direction with let the projection coincidence of space on upper and lower direction, the bulge has one and prevents slow-witted fixed orifices, each let the position of position part corresponding prevent slow-witted fixed orifices to prevent being the sharp extension formation in the slow-witted fixed orifices and prevent slow-witted fixed part, prevent that slow-witted fixed part is fixed in prevent slow-witted fixed orifices.

Furthermore, let the position portion have with a buckle hole that the space of stepping down is linked together, prevent that slow-witted portion has an accommodating space, butting connector has a buckle spare, buckle spare includes a main part and a buckle portion, the main part accept in accommodating space, the protruding portion of stretching out of buckle portion prevent slow-witted portion, butting connector with electric connector electric connection, buckle portion with buckle hole cooperation joint, just buckle portion expose in the space of stepping down.

Compared with the prior art, the invention has the following beneficial effects:

the electric connector comprises an insulating body and a metal shell coated on the outer side of the insulating body, wherein the metal shell comprises a shielding part and two matching parts respectively arranged on two sides of the shielding part in a first direction, one side of each matching part in a second direction is sunken to the other side to form an abdicating space, and the second direction is perpendicular to the first direction; a mating connector mated with the electrical connector along a third direction, the third direction being perpendicular to the first direction and the second direction, comprising: the fool-proof parts are respectively arranged on two sides of the butting connector in the first direction, and the first plate part and the second plate part are respectively positioned on two sides of the butting connector in the second direction, and the projections of the two fool-proof parts in the first direction are overlapped; in the second direction, the fool-proof portion is located between the first board portion and the second board portion, a first gap is formed between each fool-proof portion and the first board portion, a second gap is formed between each fool-proof portion and the second board portion, and the width of the first gap in the second direction is larger than that of the second gap in the second direction; the butting connector is spliced in the electric connector, the first board part and the second board part are respectively and correspondingly positioned at two outer sides of the shielding part in the second direction, the fool-proof part is accommodated in the matching part, and the abdicating space is superposed with the first gap, so that when the butting connector is spliced in the electric connector, the abdicating space is superposed with the wider first gap, and when the butting connector is spliced in the wrong direction, the abdicating space can not be accommodated into the narrower second gap, so that the matching part and the fool-proof part are mutually blocked, and the effect of preventing reverse splicing is achieved. Furthermore, the matching structure of the electric connector, which is used for matching with the butting connector, is arranged on the metal shell instead of the insulating body, so that the precision requirement of injection molding of the insulating body is reduced in the production and manufacturing process, the yield is improved, and the production and manufacturing cost is reduced.

[ description of the drawings ]

FIG. 1 is a perspective view of the electrical connector assembly of the present invention before plugging;

FIG. 2 is a perspective view of the electrical connector assembly of FIG. 1 after plugging;

FIG. 3 is a cross-sectional view of FIG. 1 at the location of a latch of the mating connector;

FIG. 4 is a cross-sectional view of FIG. 2 at the location of a latch of the mating connector;

FIG. 5 is a cross-sectional view of the electrical connector assembly of the present invention at the conductive terminals of the mating connector after plugging;

fig. 6 is an exploded view of the electrical connector;

FIG. 7 is a top view of the electrical connector;

fig. 8 is a perspective view of the docking connector;

fig. 9 is a side view of the docking connector of fig. 8.

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

[ detailed description ] embodiments

For a better understanding of the objects, structure, features, and functions of the invention, reference should be made to the drawings and detailed description that follow.

As shown, the electrical connector assembly 100 of the present invention defines a first direction as an X-axis, a second direction as a Y-axis, and a third direction as a Z-axis.

As shown in fig. 1 to 9, in the preferred embodiment of the electrical connector assembly 100 of the present invention, the electrical connector assembly 100 includes an electrical connector 1 and a mating connector 2 mated with the electrical connector 1 along the third direction, in this embodiment, the first direction is a longitudinal direction, and the third direction is an up-down direction, and the first direction and the third direction are explained below in a unified manner, but the direction in this embodiment is only defined for convenience of description, and cannot be taken as a basis for limiting the scope.

As shown in fig. 5 to 7, the electrical connector 1 includes an insulating body 10 and a metal housing 11 covering the insulating body 10, the insulating body 10 is formed by injection molding of insulating plastic, and includes two first end walls 101 and a plugging slot 102 located between the two first end walls 101, the plugging slot 102 is used to receive at least a portion of the mating connector 2 to electrically connect the electrical connector 1 and the mating connector 2, two sides of the insulating body 10 in the first direction respectively protrude in a back direction to form a protruding portion 103, the protruding portion 103 has a fool-proof fixing hole 1031, and the fool-proof fixing hole 1031 penetrates through the protruding portion 103 in the third direction.

As shown in fig. 5 to 7, the metal housing 11 is formed by stamping and bending a metal plate (not shown), and includes a first side wall 111, a second side wall 112 and two second end walls 115, in the first direction, the two second end walls 115 are respectively located at two ends of the first side wall 111 and the second side wall 112, and are integrally connected to the first side wall 111 and the second side wall 112, wherein the first side wall 111 includes a shielding portion 113 and two displacement portions 114 respectively located at two sides of the shielding portion 113 in the first direction, each displacement portion 114 has a fastening hole 1140 and a fool-proof fixing portion 1141, the fool-proof fixing portion 1141 is formed by the displacement portion 114 extending linearly into the fool-proof fixing hole 1031 at a position corresponding to the fool-proof fixing hole 1031, the fool-proof fixing portion 1141 is received in the fool-proof fixing hole 1031, the second sidewall 112 also has a shielding portion 113 ', and a mating recess 1120 is formed by recessing the shielding portion 113' of the second sidewall 112 in the third direction.

As shown in fig. 5 to 7, the shielding portion 113 of the first sidewall 111 is disposed to protrude in a direction away from the second sidewall 112 relative to the avoiding portion 114, so that the electrical connector 1 forms an avoiding space 12 at the position of the avoiding portion 114, in other words, the avoiding portion 114 is recessed in a direction of the second sidewall 112 to form the avoiding space 12, and a projection of a portion of the protruding portion 103 in the third direction coincides with a projection of the avoiding space 12 in the third direction; a part of the second side wall 112, each of the second end walls 115 and each of the relief portions 114 form a fitting portion P, the fitting portion P is located above the protruding portion 103 in the third direction, and the fitting portion P and the protruding portion 103 abut against each other, a receiving space 13 is formed in the fitting portion P, a width H1 of the receiving space 13 in the second direction is greater than a width H2 of the relief space 12 in the second direction, in other words, the electrical connector 1 includes two receiving spaces 13, each receiving space 13 is surrounded by one of the first end walls 101, one of the second end walls 115, one of the relief portions 114 and at least a part of the second side wall 112, and the two receiving spaces 13 are located on two sides of the mating groove 102 in the first direction and are separated by the first end wall 101, the accommodating space 13 and the abdicating space 12 are adjacently arranged in the second direction, and the abdicating space 12 and the accommodating space 13 are communicated with each other through the fastening hole 1140.

As shown in fig. 5 to 7, each of the first end walls 101 has a positioning surface 1010, the first side wall 111 has a mating surface 116 that mates with the positioning surface 1010 to assemble and position the insulator 10 and the metal shell 11, that is, when the insulator 10 and the metal shell 11 are assembled and mated, the positioning surface 1010 and the mating surface 116 are used to correct the position of the metal shell 11 relative to the insulator 10, so that the fool-proof fixing portion 1141 is accurately inserted into the fool-proof fixing hole 1031 to assemble the metal shell 11 outside the insulator 10, but when the metal shell 11 is assembled to the insulator 10 in a wrong direction, since the projection of the portion of the protruding portion 103 in the third direction coincides with the projection of the abdicating space 12 in the third direction, and the width H1 of the accommodating space 13 in the second direction is greater than the abdicating space 12 and the second direction And the width H2, the position of the fool-proof fixing hole 1031 in the second direction is not centered, in other words, the position of the fool-proof fixing hole 1031 on the protruding portion 103 is set such that when the metal shell 11 is assembled in a wrong direction, the protruding portion 103 will block the fool-proof fixing portion 1141 upwards, thereby hindering the assembling operation and playing a fool-proof role.

As shown in fig. 1, 8 and 9, the docking connector 2 includes a docking portion 20, a first plate portion 22 and a second plate portion 23 respectively located at two sides of the docking portion 20 in the second direction, two fool-proof portions 24 respectively located at two sides of the docking portion 20 in the first direction, and two latching members 26, projections of the two fool-proof portions 24 in the first direction are overlapped, and the fool-proof portions 24 in the second direction are located between the first plate portion 22 and the second plate portion 23, the docking portion 20 is configured to mate with the mating slot 102 and is provided with a plurality of conductive terminals 21, each conductive terminal 21 has a connecting portion 210, the connecting portion 210 is located between the second plate portion 23 and the docking portion 20, a first gap S1 is provided between the first plate portion 22 and the fool-proof portion 24, a second gap S2 is provided between the second plate portion 23 and the fool-proof portion 24, a width H3 of the first gap S1 in the second direction is greater than a width H4 of the second gap S2 in the second direction.

As shown in fig. 1, 3 and 9, each of the fool-proof portions 24 is provided with an accommodating space 25, the fastening member 26 includes a main body portion 260 and a fastening portion 261 integrally connected with the main body portion 260, the main body portion 260 is accommodated in the accommodating space 25, and the fastening portion 261 protrudes out of the accommodating space 25 and is exposed in the first gap S1.

As shown in fig. 1, 3 and 4, when the electrical connector 1 is plugged into the mating connector 2, the relief portion 114 abuts against the hook portion 261 in the direction of the second plate portion 23, so that the hook portion 261 contracts and deforms in the receiving space 25, the electrical connector 1 is plugged into the mating connector 2, the first plate portion 22 abuts against the outer side of the shielding portion 113, the second plate portion 23 abuts against the outer side of the second side wall 112, the fool-proof portion 24 is plugged into the mating portion P, so as to be received in the receiving space 13, the relief space 12 is located between the fool-proof portion 24 and the first plate portion 22, and the relief space 12 is overlapped with the first gap S1, the second side wall 112 is located between the second plate portion 23 and the fool-proof portion 24, and the mating recess 1120 and the connecting portion 210 are disposed opposite to each other in the third direction, the hooking part 261 protrudes from the relief space 12.

In summary, the electrical connector 1 and the manufacturing method thereof of the present invention have the following beneficial effects:

1. the electrical connector 1 includes an insulating body 10 and a metal shell 11 covering the outer side of the insulating body 10, wherein the metal shell 11 includes a shielding portion 113 and two mating portions P respectively disposed on two sides of the shielding portion 113 in a first direction, one side of each mating portion P in a second direction is recessed to the other side to form an abdicating space 12, and the second direction is perpendicular to the first direction; a mating connector 2 mated with the electrical connector 1 along a third direction, the third direction being perpendicular to the first direction and the second direction, comprising: a fool-proof portion 24 respectively disposed on two sides of the mating connector 2 in the first direction, and a first plate portion 22 and a second plate portion 23 respectively disposed on two sides of the mating connector 2 in the second direction, wherein projections of the two fool-proof portions 24 in the first direction are overlapped; in the second direction, the fool-proof portion 24 is located between the first board portion 22 and the second board portion 23, a first gap S1 is formed between each fool-proof portion 24 and the first board portion 22, a second gap S2 is formed between each fool-proof portion 24 and the second board portion 23, and a width H3 of the first gap S1 in the second direction is greater than a width H4 of the second gap S2 in the second direction; the mating connector 2 is inserted into the electrical connector 1, the first board part 22 and the second board part 23 are respectively and correspondingly located at two outer sides of the shielding part 113 in the second direction, the fool-proof part 24 is accommodated in the mating part P, and the abdicating space 12 is overlapped with the first gap S1, so that when the mating connector 2 is inserted into the electrical connector 1, the abdicating space 12 is overlapped with the wider first gap S1, and when the mating connector 2 is inserted in a wrong direction, the abdicating space 12 cannot be accommodated into the narrower second gap S2, so that the mating part P and the fool-proof part 24 are mutually blocked to play a role of preventing reverse insertion, in the invention, only two sides of the electrical connector 1 in the first direction are respectively provided with one mating part P without other auxiliary mating structures, the miniaturization of the electric connector 1 is facilitated, and meanwhile, the structural complexity of the electric connector 1 and the butting connector 2 can be reduced, and further, a matching structure, used for matching the electric connector 1 and the butting connector 2, is arranged on the metal shell 11 instead of the insulating body 10, so that the precision requirement of injection molding of the insulating body 10 is reduced in the production and manufacturing process, the yield is improved, and the production and manufacturing cost is reduced.

2. The two sides of the insulating body 10 in the first direction are respectively provided with a protruding portion 103, the protruding portion 103 is located on an outer side of the matching portion P in the third direction, and the protruding portion 103 abuts against the matching portion P, and the matching portion P can obtain a supporting force of the insulating body 10, so that the metal shell 11 is not easily deformed due to multiple times of misplugging, and the service life of the connector is prolonged.

3. The part of bulge 103 is located space 12 of stepping down is in the outside of third direction, just the part of bulge 103 is in projection of third direction with space 12 of stepping down is in projection coincidence of third direction, bulge 103 has a fool-proof fixed orifices 1031, each cooperation portion P is in corresponding fool-proof fixed orifices 1031's position to it forms a fool-proof fixed part 1141 to be the straight line extension in the fool-proof fixed orifices 1031, fool-proof fixed part 1141 is fixed in fool-proof fixed orifices 1031, makes and works as metal casing 11 assembles to in wrong direction during insulator 10, because the position setting of fool-proof fixed orifices 1031, fool-proof fixed part 1141 can receive the counterbalance of bulge 103 makes metal casing 11 can not assemble on insulator 10.

4. The mating connector 2 has a mating portion 20 that mates with the mating groove 102, a plurality of conductive terminals 21 are disposed on the mating portion 20, each conductive terminal 21 has a connecting portion 210 located between the second plate portion 23 and the mating portion 20, the shielding portion 113 is recessed toward the third direction on a side away from the space 12 to form a fitting recess 1120, the mating connector 2 is inserted into the electrical connector 1, the mating recess 1120 is disposed opposite to the connecting portion 210 in the third direction, burrs may be generated at the edge of the metal shell 11 during the punching process, the electrical connector 1 and the mating connector 2 define a plugging direction, so the mating recess 1120 is provided to prevent a short circuit caused by the contact between the burr on the second sidewall 112 and the connecting portion 210 of the conductive terminal 21.

5. The matching part P is provided with a fastening hole 1140 communicated with the abdicating space 12, the butting connector 2 is provided with a fastening piece 26, the fastening piece 26 is in matched clamping connection with the fastening hole 1140, at least part of the fastening piece 26 is exposed in the abdicating space 12, the fastening hole 1140 is arranged on the matching part P, even if a user enables the electric connector 1 to be matched and spliced with the butting connector 2 in a wrong direction, because the width H3 of the first gap S1 in the second direction is different from the width H4 of the second gap S2 in the second direction, the fastening piece 26 cannot be locked with the metal shell 11, the electric connector 1 and the butting connector 2 cannot be locked and fixed, and the foolproof effect is achieved.

6. The foolproof portion 24 has an accommodating space 25, the latch 26 includes a main body 260 and a hook 261, the main body 260 is accommodated in the accommodating space 25, the hook 261 protrudes out of the foolproof portion 24 and is exposed to the first gap S1, the mating connector 2 is electrically connected to the electrical connector 1, the hook 261 is engaged with the latching hole 1140, the hook 261 is exposed to the wider first gap S1, so that the volume of the hook 261 exposed to the first gap S1 is larger than that of the narrower second gap S2, when the hook 261 is subjected to the engaging force of the positioning portion 114, the elastic deformation of the hook 261 is larger, and when the hook 261 is engaged with the latching hole 1140, the force of the latch 26 and the positioning portion 114 is larger, the locking of the electrical connector 1 and the mating connector 2 is more stable, and further, compared with the arrangement of the hook 261 at the outer side of the fool-proof portion 24 in the first direction, the hook 261 is arranged at the first gap S1, so that the internal space of the mating connector 2 can be fully utilized, which is beneficial to the miniaturization of the mating connector 2.

The above detailed description is only for the purpose of illustrating the preferred embodiments of the present invention, and not for the purpose of limiting the scope of the present invention, therefore, all technical changes that can be made by applying the present specification and the drawings are included in the scope of the present invention.

Claims

1. An electrical connector assembly, comprising:

an electrical connector, comprising:

the insulating body comprises a plug-in groove;

the metal shell is coated on the outer side of the insulating body and comprises a shielding part and two matching parts which are arranged on two sides of the shielding part in a first direction respectively, one side of each matching part in a second direction is sunken to the other side to form an abdicating space, and the second direction is perpendicular to the first direction;

a mating connector, the mating connector mating-plugging with the electrical connector along a third direction, the third direction being perpendicular to the first direction and the second direction, comprising:

the fool-proof parts are respectively correspondingly arranged on two sides of the butting connector in the first direction, and the projections of the two fool-proof parts in the first direction are overlapped;

a first plate portion provided at one side of the mating connector in the second direction;

the second plate part is arranged on the other side of the butting connector in the second direction and is arranged at an interval with the first plate part;

in the second direction, the fool-proof portion is located between the first board portion and the second board portion, a first gap is formed between each fool-proof portion and the first board portion, a second gap is formed between each fool-proof portion and the second board portion, and the width of the first gap in the second direction is larger than that of the second gap in the second direction;

the butting connector is spliced with the electric connector, the first plate part and the second plate part are respectively and correspondingly positioned on two outer sides of the shielding part in the second direction, the fool-proof part is contained in the matching part, and the abdicating space is overlapped with the first gap.

2. The electrical connector assembly of claim 1, wherein: the two sides of the insulating body in the first direction are respectively provided with a protruding part, the protruding parts are positioned on one outer side of the matching parts in the third direction, and the protruding parts are abutted to the matching parts.

3. The electrical connector assembly of claim 2, wherein: the part of bulge is located let a space be in the outside on the third direction, just the part of bulge is in projection on the third direction with let a space be in projection coincidence on the third direction, the bulge has one and prevents slow-witted fixed orifices, each the cooperation portion is in corresponding prevent slow-witted fixed orifices the position to prevent slow-witted fixed orifices in be the straight line and extend and form one and prevent slow-witted fixed part, prevent that slow-witted fixed part is fixed in prevent slow-witted fixed orifices.

4. The electrical connector assembly of claim 1, wherein: the butting connector is provided with a butting part which is matched and spliced with the splicing groove, a plurality of conductive terminals are arranged on the butting part, each conductive terminal is provided with a connecting part which is positioned between the second plate part and the butting part, the shielding part is sunken towards the third direction at one side far away from the abdicating space to form a matching concave part, the butting connector is spliced with the electric connector, and the matching concave part is arranged opposite to the connecting part in the third direction.

5. The electrical connector assembly of claim 1, wherein: the matching part is provided with a buckling hole communicated with the yielding space, the butting connector is provided with a buckling piece, the buckling piece is in matched clamping connection with the buckling hole, and at least part of the buckling piece is exposed out of the yielding space.

6. The electrical connector assembly of claim 5, wherein: the fool-proof portion is provided with an accommodating space, the buckling piece comprises a main body portion and a buckling hook portion, the main body portion is accommodated in the accommodating space, the buckling hook portion protrudes out of the fool-proof portion and is exposed out of the first gap, the butting connector is connected to the electric connector in an inserting mode, and the buckling hook portion is matched and buckled with the buckling hole in a buckling mode.

7. An electrical connector for electrically connecting with a mating connector, the mating connector comprising: a first plate portion; a second plate portion disposed opposite to the first plate portion with a gap therebetween; a fool-proof portion between the first plate portion and the second plate portion; it is characterized by comprising:

the insulating body comprises two first end walls which are opposite and arranged at intervals;

the metal shell is coated on the outer side of the insulating body and comprises a first side wall, a second side wall and two second end walls, wherein the second side wall is opposite to the first side wall and is arranged at intervals;

an accommodating space is formed among the first end wall, the abdicating part, the second end wall and at least part of the second side wall, the electric connector further comprises an abdicating space which is arranged adjacent to the accommodating space, and the abdicating part is positioned between the abdicating space and the accommodating space;

the butting connector is electrically connected with the electric connector, the first plate portion abuts against the outer side of the shielding portion, the second plate portion abuts against the outer side of the second side wall, the fool-proof portion is contained in the containing space, the yielding space is located between the fool-proof portion and the first plate portion, and the second side wall is located between the second plate portion and the fool-proof portion.

8. The electrical connector of claim 7, wherein: the two sides of the insulating body in the longitudinal direction are respectively provided with a protruding part, the protruding parts are located below the yielding parts, and the protruding parts are abutted to the yielding parts.

9. The electrical connector of claim 8, wherein: the part of bulge is located let the below in space, just the projection of the part of bulge on upper and lower side with let the projection coincidence of space on upper and lower side, the bulge has one and prevents slow-witted fixed orifices, each let position portion correspond prevent that slow-witted fixed orifices's position to prevent that it extends to be the straight line in the fixed orifices and form one and prevent slow-witted fixed part, prevent that slow-witted fixed part is fixed in prevent slow-witted fixed orifices.

10. The electrical connector of claim 7, wherein: the yielding part is provided with a buckling hole communicated with the yielding space, the fool-proof part is provided with an accommodating space, the butting connector is provided with a buckling piece, the buckling piece comprises a main body part and a buckling hook part, the main body part is accommodated in the accommodating space, the buckling hook part protrudes out of the fool-proof part, the butting connector is electrically connected with the electric connector, the buckling hook part is clamped with the buckling hole in a matched mode, and the buckling hook part is exposed out of the yielding space.