TWI398991B - Electrical connector and the assembly - Google Patents

Description

Electrical connector and its components

The present invention is an electrical connector and its components, and more particularly to an electrical connector having a high frequency for use in an electronic device and an assembly thereof.

With the development of science and technology, electronic products, especially mobile phones and other handheld devices, are becoming more and more powerful. Especially with the satellite navigation function gradually applied to mobile phones, the requirements for transmission frequency of mobile phones are getting higher and higher.

As is known in the industry, for a flip phone, a miniature coaxial electrical connector is generally installed at the position of the rotating shaft for transmitting signals. The electrical connector generally includes an insulating body of an elongated structure and is held in the insulating body. a conductive terminal, and a metal case disposed on a periphery of the insulative housing, wherein the conductive terminal is connected to the plurality of cables at one end, and the other end is connected to the mating electrical connector to be mounted on the circuit board, however, the electrical connector is The characteristics of its own structure can only be used to transmit low frequency signals, but not high frequency signals. With the further requirements of consumers for mobile phone functions, transmitting high frequencies has become a trend.

In fact, the inside of the mobile phone is also equipped with a detecting electrical connector, which comprises: an insulating body, a pair of switch terminals disposed inside the insulating body, and a metal case placed outside the insulating body and completely covering the insulating body . Although this type of electrical connector can accommodate high frequency environments, it is only suitable for high frequency detection, and when the detection is completed, it no longer has any function.

Therefore, how to design an electrical connector that can transmit both high-frequency signals and mobile phone trends Become the direction of industry research.

The technical problem to be solved by the present invention is to provide an electrical connector and an assembly thereof, which have both high frequency and transmission signal functions.

To achieve the above object, the present invention provides an electrical connector comprising at least a body, a plurality of signal terminals and a grounding terminal disposed inside the body, a housing covering the outer periphery of the body, and being disposed outside the body and electrically connected to the signal terminals. a cable for contacting, wherein the cable is provided with a shielding area, the signal terminal and the grounding terminal each have a welding end, and the welding end of the signal terminal is connected to the cable, and one edge of the housing is provided with a plurality of welding legs, and the same The soldering end of the soldering leg and the grounding terminal and the shielding area of the cable are electrically connected to each other.

To achieve the above object, the present invention further provides an electrical connector assembly including at least: a first electrical connector and a second electrical connector that are butted together, the first electrical connector including the first body and disposed in the first body a plurality of signal terminals and a grounding terminal, a casing covering the periphery of the first body, and a plurality of cables connected to the signal terminals, the second electrical connector comprising at least a second body and a plurality of second terminals disposed in the second body a signal terminal of the first electrical connector and a second terminal of the second electrical connector each comprise a tail portion, the signal terminal tail of the first electrical connector is for electrical contact with the cable, and the second terminal of the second electrical connector The tail portion is connected to the circuit board, and the cable is provided with a shielding area. The housing of the first electrical connector extends with a plurality of soldering legs, the grounding terminal tails of the soldering legs and the first electrical connector, and the shielding area of the cable Connect to each other.

Compared with the prior art, the present invention has the following advantages: since the electrical connector assembly of the present invention takes the form of a first electrical connector and a second electrical connector that are butted together, and one electrical connector is connected to the circuit board, and the other The electrical connector is connected to the plurality of cables, so that the transmission speed and frequency of the electrical connector assembly of the present invention are greatly improved, and one of the electrical connector housings is provided with soldering legs, the soldering legs and the grounding terminal, And the shielding layers of the cables are connected to each other, therefore, this The grounding effect of the inventive electrical connector assembly is also very good.

10‧‧‧shell

101‧‧‧ top wall

103‧‧‧right board

105‧‧‧Back board

1051‧‧‧ openings

107‧‧‧left board

1071, 1031‧‧‧ square hole

1073, 1033‧‧ Interference Department

109‧‧‧Bends

111‧‧‧welding feet

20‧‧‧Second ontology

200‧‧‧ for receiving capacity

201‧‧‧ Back wall

2011‧‧‧ openings

2013‧‧‧Incision

203‧‧‧ front wall

209‧‧‧Second terminal slot

30‧‧‧First ontology

301‧‧‧First substrate

3011‧‧‧through slot

3013‧‧‧ channel

303‧‧‧ first side panel

3031‧‧‧Protruding

305‧‧‧ wall

3051‧‧‧Assembly Department

3053‧‧‧First terminal slot

307‧‧‧First space

309‧‧‧Second space

40‧‧‧second terminal

401‧‧‧welding tail

403‧‧‧ Holding Department

405‧‧‧ horizontal department

407‧‧‧Flexible Department

4071‧‧‧Contacts

4073‧‧‧Protruding

50‧‧‧ Cable

501‧‧‧ body area

503‧‧‧shaded area

505‧‧‧Insulated area

507‧‧‧core

60‧‧‧Strength

601‧‧‧ embedded department

603‧‧‧Installation Department

70‧‧‧First terminal

701‧‧‧welding end

703‧‧‧U-shaped contact

7031‧‧‧First leg

7031A‧‧‧Depression

7033‧‧‧second leg

7033A‧‧‧First contact

90‧‧‧Substances with conductive properties

A‧‧‧First electrical connector

B‧‧‧Second electrical connector

The first figure is a perspective assembled view of the first electrical connector of the present invention.

The second figure is a top view of the electrical connector shown in the first figure, wherein the components connecting the ground terminal, the cable, and the housing are not shown.

The third figure is a top view of the electrical connector shown in the first figure, wherein the components connecting the ground terminal, the cable, and the housing are shown together.

The fourth figure is an exploded perspective view of the electrical connector shown in the first figure.

The fifth figure is an exploded perspective view of another angle of the electrical connector shown in the first figure.

Figure 6 is a cross-sectional view of the electrical connector shown in Figure 1 .

Figure 7 is a perspective assembled view of a second electrical connector of the present invention.

Figure 8 is a plan view of the electrical connector shown in Figure 7.

Figure 9 is an exploded perspective view of the electrical connector shown in Figure 7.

The tenth figure is a perspective assembled view of the electrical connector assembly of the present invention, wherein the housing is not shown.

Figure 11 is a cross-sectional view of the electrical connector assembly shown in Figure 10, wherein the housing is shown together.

Hereinafter, the present invention will be described in further detail with reference to the accompanying drawings.

Referring to the tenth through eleventh figures, the electrical connector assembly of the present invention includes a first electrical connector A and a second electrical connector B that abut each other.

As shown in the first to sixth figures, particularly in the fourth and fifth figures, the first electrical connector A includes a first body 30, a first terminal 70 integrally formed in the first body 30, and a cover. And surrounded by the first The outer casing 10 of the body 30 and the plurality of cables 50 in contact with the first terminal 70.

Referring to the fourth to fifth figures, the first body 30 is made of a plastic material, and includes a first substrate 301, and a first side plate 303 extending vertically upward or downward from a side edge of the first substrate 301. And a wall 305 extending from the first substrate 301 at a position substantially two-thirds of the distance from the first side plate 303 and disposed in parallel with the first side plate 303. A first space 307 (shown in the second figure, the third figure, and the fifth figure) in which both ends are open is formed between the wall 305 and the first side plate 303, and the other side of the wall 305 is the first side The space 307 is adjacent to the second space 309 (as shown in the third figure). A pair of protrusions 3031 (shown in FIG. 5) are protruded from the outer side wall of the first side plate 303 for engaging with the casing 10 covering the outer periphery of the first body 30; both ends of the wall 305 are The mounting portion 3051 protruding outwardly and having a rectangular shape is similar to the protruding portion 3031 of the first side plate 303 for mating with the housing 10 covering the outer periphery of the first body 30. In addition, please refer to the fifth figure in particular. As shown in the figure, the top surface of the wall 305 is smooth, and the two opposite sides of the wall 305 are formed with a first terminal slot 3053 for receiving the first terminal 70. The first substrate 301 has a smooth flat shape in the first space 307. The second space 309 is provided with a plurality of staggered channels 3013 and a through slot 3011. The channel 3013 and the through slot 3011 extend from the lower edge of the wall 305 to the corresponding end of the first body 301 and to the first terminal slot. The 3053 is smoothly connected, except that the channel 3013 is recessed downward from the first substrate 301 into a rectangular groove, and the through groove 3011 penetrates through the first substrate 301.

It should be noted that the protrusion 3031 disposed on the first side plate 303 of the first body 30 and the mounting portion 3051 disposed at the end of the wall 305 are outwardly protruded, and there is no difference in shape and structure. They are all called protrusions.

The first terminal 70 is made of a metal material by press molding in particular with reference to the fourth to sixth figures. In the present embodiment, it is composed of three ground terminals 70A, 70C, 70E and two signal terminals 70B. , 70D composition, in the arrangement, the above signal terminals 70B, 70D and the ground terminals 70A, 70C, 70E are spaced apart from each other, however, in terms of structure, the two are not much different, convenient We describe the specific structure with the ground terminal 70A as a representative: the first terminal includes a soldering end 701 connected to the cable 50 and a U-shaped contact portion 703 extending upward or downward from the end of the soldering end 701 and having a width slightly larger than the soldering end 701. . Wherein, the U-shaped contact portion 703 includes first and second leg portions 7031, 7033 disposed opposite to each other, the first leg portion 7031 connected to the welding end 701, and the other second leg portion 7033, further, please Referring to the fifth figure, the outer surface of the first leg portion 7031 is provided with a recessed portion 7031A recessed inwardly, and the recessed portion 7031A is provided with an inwardly extending guiding surface (not labeled) from its outer edge, please refer to As shown in the fourth figure, the thickness of the second leg portion 7033 at a certain distance from the end is thinner than the other portions, so that the first contact portion 7033A is formed at this position.

In particular, it is known from the fourth and fifth figures that the recessed portion 7031A and the first contact portion 7033A are recessed inwardly from the first leg portion 7031 or the second leg portion 7033. Therefore, the two can be unified. It is called a recessed contact.

The housing 10, as particularly shown in the fourth and fifth figures, is made of a metal material and has a box-like structure that is open at one end, and includes a top wall 101 extending perpendicularly from the left and right edges and the rear edge of the top wall 101. The left plate 107, the right plate 103 and the rear plate 105, and the bent portions 109 extending from opposite ends of the left plate 103 and the right plate 105, the bent portion 109 can be regarded as a front plate. The rear plate 105 is provided with a pair of openings 1051 spaced apart from each other for mating with the pair of protrusions 3031 of the first body 30; the left plate 107 and the right plate 103 are respectively provided with square holes 1071, 1031 opposite to each other. For engaging with the mounting portion 3051 provided on the wall 105 of the first body 30, and additionally, an interference protruding toward the inside of the first space 307 of the first body 30 is provided adjacent to each of the square holes 1071 and 1031. In the present embodiment, the interference portions 1073 and 1033 are provided with a single hemispherical projection, and the bent portion 109 formed by extending from the left plate 107 and the right plate 103 is assembled in the casing 10. Before the body 30, it is integrally formed with the left plate 107 and the right plate 103, respectively, and continues to extend forward from the ends of the left plate 107 and the right plate 103, respectively, and when assembled to the first body 30 After that, it is bent to a position opposite to the rear plate 105.

It should be noted that, in particular, referring to the fourth and fifth figures, the lower edge of the above-mentioned bent portion 109 is substantially flush with the left plate 107, the right plate 103, and the lower edge of the rear plate 105, but the upper edge thereof is Slightly lower than the top wall 101, such that the three edges of the top wall 101 are respectively connected to the left panel 107, the right panel 103, and the rear panel 105, and the remaining one edge is free, and the plurality of soldering legs 111 are respectively from the top wall 101. The edge extends outwardly and is ultimately placed directly above the bend 109.

The cable 50, similar to a conventional cable, includes a body region 501, a shielding region 503, an insulating region 505, and a core 507 in this order.

When the first electrical connector A is assembled, the first terminal 70 is first integrally formed in the first body 30. At this time, the U-shaped contact portion 703 of the first terminal 70 spans both sides of the wall 305 of the first body 30. The soldering ends 701 of the signal terminals 70B and 70D are received in the through slots 3011 of the first substrate 301, and the soldering ends 701 of the grounding terminals 70A, 70C, and 70E extend from the slots 3013 of the first substrate 301 out of the first body 30. Externally; then, the core 507 of the cable 50 is placed from the bottom surface of the first substrate 301 in the corresponding through slot 3011 and soldered to the soldering end 701 of the signal terminals 70B and 70D; and then, the housing is 10 is wrapped around the outer circumference of the first body 30, and then the bent portion 109 provided thereon is bent to a position opposite to the rear plate 105. At this time, the rear plate 105 of the casing 10 abuts against the outer periphery of the side plate 303 of the first body 30. The opening 1051 provided in the casing 10 is matched with the protrusion 3031 disposed on the first body 30, and the square holes 1071 and 1031 disposed on the left plate 107 and the right plate 103 are disposed on the wall 305 of the first body 30. The fitting portion 3051 is matched and coupled, and the interference portions 1073 and 1033 disposed adjacent to the square holes 1071 and 1031 are Exposed to the first space 307 of the first body 30, please refer to the second and fourth figures in particular. It can be seen that the housing 10 is provided with a plurality of soldering legs 111 spaced apart from each other by a certain distance. A space (not shown) is formed between the adjacent soldering legs 111. In the present embodiment, there are four soldering legs 111, and five spaces are formed. Therefore, when the housing 10 is assembled on the first body 30, After that, the two cables 50 are respectively located in two of the above spaces. And the cable 50 is located in the same plane as the soldering leg 111, and the grounding terminals 70A, 70C, 70E are placed in the remaining three spaces, such that the cable 50, the grounding terminals 70A, 70C, 70E, and the housing The soldering legs 111 of 10 are staggered with each other; finally, a layer of conductive material is applied to the shielding area 503 of the cable 50, the soldering end 701 of the grounding terminals 70A, 70C, 70E, and the soldering foot 111 of the housing 10. 90, thereby joining the above elements together.

It should be noted that in the present embodiment, the conductive material 90 having the conductive characteristics of the cable 50, the grounding terminals 70A, 70C, and 70E and the casing 10 is not particularly limited. Paint, tin foil, etc. can be.

Next, referring to the seventh to ninth and eleventh views, the second electrical connector B that interfaces with the first electrical connector A includes a second body 20 that is received in the interior of the second body 20. The second terminal 40, and the reinforcing member 60 disposed at the end of the second body 20.

The second body 20, as shown in the eighth and ninth figures, is similar to the first body 30 and is made of an insulating material, including the front wall 203 and the rear wall 201 opposite to each other, the front wall 203 and the rear wall 201 A pair of receiving receptacles 200 are formed between the left and right sides for interfacing with the first electrical connector A. The inner wall of the front wall 203 and the rear wall 201 are provided with a plurality of second terminal slots 209 communicating with the receiving receptacle 200, such that when the first electrical connector A and the second electrical connector B are assembled together, The first terminal 70 and the second terminal 40 are electrically in contact with each other in the pair of receiving receptacles 200. In addition, an opening portion 2011 recessed inwardly is disposed at a central portion of the outer surface of the rear wall 201, and a top surface of the rear wall 201 is provided. The recess is recessed 2013, and the slit 2013 has not been penetrated to the bottom surface of the rear wall 201 but communicates with the opening portion 2011. Thus, when the reinforcing member 60 is assembled in the second body 20, it can be accommodated in the slit 2013. And extending outside the second body 20 through the opening portion 2011.

Referring to the eighth and ninth drawings, and in combination with the eleventh figure, the second terminal 40, similar to the first terminal 70, is made of a metal material, and includes a solder tail 401, a holding portion 403, The elastic portion 407 and the horizontal portion 405 interposed between the holding portion 403 and the elastic portion 407. Among them, The solder tail 401 extends horizontally and extends from the bottom of the second body 20 to electrically connect with a circuit board (not shown). The holding portion 403 extends vertically upward from one end of the solder tail 401 and is disposed thereon. The plurality of barbs (not shown) are configured to hold the second terminal 40 in the second terminal slot 209 of the second body 20; the horizontal portion 405 extends horizontally from the upper edge of the end of the retaining portion 403 toward the second terminal slot 209 and is slightly oriented Tilting downward; the elastic portion 407 is smoothly curved from the horizontal portion 405 slightly toward the holding portion 403 and finally forms a U-shaped structure, so that a boundary is formed toward the inside of the U-shaped structure at the boundary between the elastic portion 407 and the horizontal portion 405. a protruding portion 4073, when the first terminal 70 is inserted in, the protruding portion 4073 is electrically in contact with a corresponding portion of the first terminal 70, and further, at the end of the U-shaped structure, further disposed to be bent toward the inside of the U-shaped structure An inverted U-shaped contact portion 4071 is formed, and the contact portion 4071 is disposed opposite to the above-described protruding portion 4073.

The reinforcing member 60 is made of a metal material and includes an inserting portion 601 housed in the slit of the second body 20 and a mounting portion 603 bent from a center of a lower edge of the inserting portion 601 at a right angle to the inserting portion 601.

When the second electrical connector B is assembled, the second terminals 40 are first assembled into the second body 20, wherein the solder tail 401 extends from the lower edge of the second body 20 to the external space, and the holding portion 403 is received in the second The terminal slot 209 is correspondingly positioned and held by the barb, and the corresponding protruding portion 4073 and the contact portion 4071 of the elastic portion 407 are exposed to the inside of the receiving receiving portion 200 for making electrical contact with the first terminal 70; The reinforcing member 60 is inserted into the corresponding slit 2013 from above, wherein the inserting portion 601 of the reinforcing member 60 is received in the slit 2013, and the mounting portion 603 extends from the lower edge of the opening portion 2011 to the outer space for It is connected to the circuit board in common with the second terminal 40.

In the following, please refer to the tenth and eleventh figures. When the first electrical connector A and the second connector B are docked, the first electrical connector A is reversed from above to make the first body 30 The wall 305 and the first terminal 70 on the wall 305 are received in the receiving receiving portion 200 of the second body 20, and the first side plate 303 of the first body 30 abuts against the rear wall of the second body 20. 201 outside the surface.

In the process of the first electrical connector A being connected to the second electrical connector B, since the protruding portion 4073 of the second terminal 40 and the contact portion 4071 disposed opposite thereto are exposed to the receiving receiving portion 200, when the first When the electrical connector A is inserted in, the protruding portion 4073 and the contact portion 4071 slide on the outer surfaces of the first and second leg portions 7031, 7033 of the first terminal 70 until the protruding portion 4073 of the second terminal 40 and the first terminal The corresponding first contact portions 7033A abut each other, and the contact portion 4071 of the second terminal 40 enters the recessed portion 7031A of the first terminal 70. Thus, the first electrical connector A and the second electrical connector B are assembled.

It should be noted that in the present embodiment, although only two cables are shown, the electrical connector assembly of the present invention can be provided with only one cable or multiple cables to meet the needs of the customer.

In summary, on the one hand, in the present embodiment, since the first terminal 70 is provided with the recessed portion 7031A, the second terminal 40 is provided with the corresponding contact portion 4071, and therefore, when the first terminal 70 is inserted into the second terminal After the inside of 40, if it is to be pulled out, the contact portion 4071 must be pulled out from the recessed portion 7031A, thereby increasing the pulling-out force, and the first terminal 70 is further provided with the recessed portion 7031A. The first contact portion 7033A is formed by recessing the outer surface of the corresponding second leg portion 7033. Therefore, when the first terminal 70 and the second terminal 40 are assembled, they are to be pulled out. Therefore, a certain pull-out force is also required. Therefore, the structure increases the insertion force of the first electrical connector A and the second electrical connector B in the mating direction, so that the two are more firmly matched.

On the other hand, since the housing 10 of the first electrical connector A extends a plurality of soldering legs 111 which are equal in height to the soldering ends 701 of the grounding terminals 70A, 70C, 70E, and the soldering pins 111 have a conductive property. The substance 90 and the grounding terminals 70A, 70C, 70E and the shielding layer 503 of the cable 50 are connected to each other to perform a good grounding function. Preferably, the substance 90 having the conductive property may have a thin tin layer. Or any other thin layer that can conduct electricity, or even a layer of conductive paint, so that it does not take up too much space, and meets the miniaturization and thinning of mobile phones. development trend.

After the first electrical connector A and the second electrical connector B are assembled, the housing 10 encloses the top surface and the side of the entire electrical connector assembly, thereby forming a protective layer to prevent other components mounted on the circuit board. The electronic device interferes with the signal transmission of the electrical connector assembly of the present invention.

Finally, please refer to FIG. 11 in particular, it can be seen that the solder tail 401 of the second terminal 40 extends horizontally from the lower portion of the front wall 203 of the second body 20, and the mounting portion 603 of the reinforcing member 60 is from the first The lower portion of the rear wall 201 of the second body 20 extends horizontally. Thus, the stability of the electrical connector assembly of the present invention mounted on the circuit board can be ensured without tilting.

The technical contents and technical features of the present invention have been disclosed as above, and those skilled in the art can still make various substitutions and modifications without departing from the spirit and scope of the present invention. Therefore, the scope of the present invention is not limited by the scope of the invention, and the invention is intended to cover various modifications and alternatives.

10‧‧‧shell

305‧‧‧ wall

307‧‧‧First space

309‧‧‧Second space

50‧‧‧ Cable

503‧‧‧shaded area

70B, 70D‧‧‧ signal terminals

70A, 70C, 70E‧‧‧ grounding terminal

90‧‧‧Substances with conductive properties

Claims (25)

An electrical connector includes at least: a body; a plurality of staggered signal terminals and a grounding terminal are disposed in the body, and the signal terminal and the grounding terminal are each provided with a soldering end, and the soldering end of the signal terminal is soldered to the grounding terminal a short end; a housing covering the outer circumference of the body; and a cable comprising at least a core and a shielding area, wherein the core is in electrical contact with the signal terminal; wherein the housing has a plurality of soldering legs on one edge thereof The electrical connector further includes an element having a conductive property to connect the soldering end of the soldering leg and the ground terminal and the shielding area of the cable to each other. The electrical connector of claim 1, wherein the soldering end of the signal terminal, the shielding area of the cable, and the soldering leg of the housing are at the same height. The electrical connector of claim 1, wherein the component having conductive properties is a tin foil or a conductive lacquer. The electrical connector of claim 3, wherein the cable is disposed between two adjacent soldering legs on the housing. The electrical connector of claim 1, wherein the body comprises a first substrate, a first side plate extending vertically upward from an end edge of the first substrate, and extending vertically upward from a position in the center of the first substrate The wall body divides the body into first and second spaces, wherein the wall and the side plate are a first space, and the other side of the wall is adjacent to the first space and is second space. The electrical connector of claim 5, wherein the wall is located on the first substrate at two-thirds of the distance from the first side panel. The electrical connector of claim 6, wherein the end of the wall protrudes outwardly from the mounting portion for mating with a corresponding structure of the housing. The electrical connector of claim 7, wherein the first substrate of the body is provided with a plurality of channels and through slots, a grounding terminal and a corresponding portion of the signal terminals extending through the end to the second space They are respectively accommodated in the channel and the channel. The electrical connector of claim 8, wherein the through slot extends through the first substrate of the body. The electrical connector of claim 1, wherein the soldering end of the signal terminal is completely received in the channel of the bottom wall of the insulating body, and the soldering end of the grounding terminal extends from the channel Insulated body exterior. An electrical connector assembly includes at least: a first electrical connector and a second electrical connector that are butted together; the first electrical connector includes: a first body; a plurality of staggered signal terminals and a ground terminal disposed first In the body, the signal terminal and the ground terminal are respectively provided with a soldering end, and the soldering end of the signal terminal is shorter than the soldering end of the grounding terminal; the housing covers the periphery of the first body; and the cable and the signal terminal The soldering end is connected and provided with a shielding area; the second electrical connector comprises at least: a second body; and a plurality of second terminals disposed in the second body; wherein the housing of the first electrical connector extends with a plurality of soldering legs The second terminal of the second electrical connector includes There is a solder tail, and the electrical connector further includes an element having a conductive property to solder the soldering leg to a ground terminal of the first electrical connector, and the shielding region of the cable is electrically connected to each other. The electrical connector assembly of claim 11, wherein the housing completely covers the top and sides of the electrical connector assembly. The electrical connector assembly of claim 11, wherein the soldering end of the signal terminal, the shielding area of the cable, and the soldering leg of the housing are in the same plane. The electrical connector assembly of claim 11, wherein the housing of the first electrical connector comprises a top wall and a side wall extending upward from four edges of the top wall, wherein one of the side walls is oriented toward the first An interference portion in which the inner space of the body protrudes and interferes with the second body. The electrical connector assembly of claim 11, wherein the signal terminal and the ground terminal of the first body each comprise a U-shaped contact portion and horizontally extends from a free end portion of the U-shaped contact portion. And forming a welded end of the substantially closed structure with the U-shaped contact portion. The electrical connector assembly of claim 15, wherein the second terminal of the second body is provided with an elastic portion that accommodates a signal terminal of the first body or a U-shaped contact portion of the ground terminal. The electrical connector assembly of claim 16, wherein the U-shaped contact portion of the second terminal and the U-shaped contact portion of the signal terminal or the ground terminal of the first body are disposed to face the other The protruding portion is protruded, and the other portion is provided with a recess portion matching the protruding portion. The electrical connector assembly of claim 17, wherein the portion of the second terminal that is in contact with the signal terminal or the ground terminal of the first body is bent in an inverted U-shaped configuration. The electrical connector assembly of claim 11, wherein the second body comprises an opposite front wall and a rear wall, wherein a pair of opposite ends are formed between the front wall and the rear wall. unit. The electrical connector assembly of claim 19, wherein the pair of receiving portions are U Type structure. The electrical connector assembly of claim 20, after the first electrical connector and the second electrical connector are combined, the wall of the first body is received in the receiving receptacle of the second body, and The first side plate abuts the outer surface of the rear wall of the second body. The electrical connector assembly of claim 21, wherein the second electrical connector further comprises a reinforcement member, the top surface of the second body being provided with a slit recessed downwardly for receiving the reinforcement member. The electrical connector assembly of claim 22, wherein the slit does not extend through the bottom of the second body. The electrical connector assembly of claim 23, wherein the second body is further provided with an opening that communicates with the slit and penetrates the end of the rear wall. The electrical connector assembly of claim 24, wherein the second terminal is further provided with a solder tail extending from a lower portion of the second body, and the reinforcing member is provided with a mounting portion extending from the opening portion The solder tail is located at the same level as the mounting portion, and one extends from the front wall of the second body and the other extends from the rear wall of the second body.