TWI821352B - Electrical connector assembly - Google Patents

Abstract

An electrical connector assembly including a first circuit board, a first connector mounted to the first circuit board and a number of cables held on the circuit board, and a metal shell held outside the first circuit board. The first connector includes an insulative housing, a number of first terminals and a shielding shell enclosing the insulating body. Each cable includes a core layer at a central position and mounting to the first circuit board and a mask layer surrounding the core layer. The metal shell includes the first board a second plate body portion facing the first plate body portion, and a receiving space for accommodating the first circuit board and the first connector between the first plate body portion and the second plate body portion, the first plate body portion an opening having a first connector passing through and exposed outside the shielding case, the electrical connector component further comprising a lap portion electrically connected to the mask layer and the first circuit board, the cable and the first terminal indirect connection.

Description

Electrical connector components

The present invention relates to an electrical connector assembly, and in particular, to an electrical connector assembly capable of transmitting multiple sets of signals.

In the prior art, coaxial connectors usually have a terminal group that can only transmit a single signal and have limitations in application. Therefore, please refer to Taiwan's published invention patent application No. TW201405980A. The coaxial connector disclosed in it is different from the usual coaxial connection. The device has two pairs of terminal groups to meet the needs of multiple sets of signal transmission. However, in the previous case, the two pairs of terminal groups are adjacent and there is no shielding structure between them. When transmitting high-frequency signals, signal interference is prone to occur between the two pairs of terminal groups. This affects the stability of the signal and is not conducive to high-frequency signal transmission. In addition, the cable in the previous case is directly welded to the terminal. When the cable is pulled, it is easy to drive the terminal, causing damage to the terminal.

Therefore, it is necessary to provide a new electrical connector assembly to overcome the above defects.

In view of the above, the object of the present invention is to provide an electrical connector assembly that can transmit multiple sets of signals and has the advantages of good signal shielding, anti-interference and good structural strength.

In order to achieve the aforementioned objects, the object of the present invention is achieved through the following technical solution: an electrical connector assembly, which includes a first circuit board, a first connector fixed on the circuit board and a plurality of wires. cable, and a metal shell fixed outside the first circuit board. The first connector includes an insulating body, a plurality of first terminals held in the insulating body, and a shielding shell held outside the insulating body. , the insulating body includes a base and a docking convex portion protruding upward from the base, and each of the cables includes a core located at a central position and fixed to the first circuit board and a surrounding In the shielding layer outside the wire core, the metal shell includes a first plate body part and a second plate body part opposite to the first plate body part, and the first plate body part and the second plate body part A receiving space for accommodating the first circuit board and the first connector is formed between the body parts, and the first board body part has a hole for the first connector to pass through and is exposed outside the shielding shell. Opening, the electrical connector assembly further includes an overlapping portion, the overlapping portion is electrically connected to the shielding layer and the first circuit board.

Further, the first circuit board of the electrical connector assembly of the present invention includes a first surface and a second surface opposite to the first surface. The rear end of the first circuit board is recessed with a notch forward, so The overlapping portion is suspended in the gap, and the overlapping portion includes a base plate, two hanging portions formed by upward bending from both sides of the base plate, and a plurality of contact pins formed by upward bending from the front edge of the base plate. , the shielding layers of the plurality of cables are fixed on the surface of the substrate, the two plug-in parts and the plurality of contact pins are fixed on the first surface of the first circuit board, and the plurality of first terminals include a plurality of signal terminals and a plurality of ground terminals, the plurality of ground terminals, the shielding shell and the metal shell are electrically connected to the shielding layer of the cable through the first circuit board and the overlapping portion.

Further, the plurality of cables and the plurality of signal terminals of the electrical connector assembly of the present invention are arranged correspondingly, and the first circuit board includes a first surface and a plurality of signal terminals located on the first surface for connecting the plurality of signal terminals and the plurality of signal terminals. A plurality of first contacts are electrically connected to the cores of the plurality of cables. The plurality of first contacts are arranged in front and back rows on the first surface, and the plurality of signal terminals are electrically connected to the front row. The first contacts of the plurality of cables are electrically connected to the first contacts of the rear row.

Furthermore, the first circuit board of the electrical connector assembly of the present invention further includes a plurality of second contacts located on the first surface and a second surface, and the plurality of second contacts located on the first surface are respectively located on the third surface. On the lateral sides of a surface, between two adjacent first contacts and around the first row of first contacts, a plurality of second contacts located on the second surface are respectively located on the second On both sides of the surface, a ground terminal is provided between two adjacent signal terminals. The ground terminal, the two hanging parts of the shielding shell and the overlapping part, and the plurality of contact pins are all electrically connected to Located in the first A plurality of second contacts on the surface, the metal shell is electrically connected to the plurality of second contacts located on the first surface and the second surface.

Further, the two hanging parts of the overlapping part of the electrical connector assembly of the present invention are electrically connected to two second contacts located at the rear ends on both sides of the first surface, and the plurality of contact pins are electrically connected to The second contact between the first contacts in the row behind.

Furthermore, the insulating body of the electrical connector assembly of the present invention further includes two side walls protruding upward from both lateral sides of the base, and the plurality of first terminals are arranged in a row laterally, and each of the first terminals is arranged in a row. The first terminal includes a holding part embedded in the base, a contact part bent upward from one end of the holding part to form an "n" shape and exposed to the mating convex part, and a contact part extending from the other end of the holding part. The welding portion of the base extends out, the welding portions of the signal terminals are electrically connected to the first contacts of the front row, and the welding portions of the ground terminals are electrically connected to the first contacts of the front row. A second contact point between two adjacent first contact points in a contact point. The shielding shell includes two short walls located on both sides of the lateral direction, and two short walls located in the front and rear direction connecting the two short walls. Long walls and a plurality of first grounding portions formed by bending and extending from the lower edge of each long wall. The short walls cover the side walls. The long walls are fixed to the upper surface of the base. The plurality of first grounding portions Part of it is embedded in the base and part of it is exposed on the base. The plurality of first ground parts are respectively electrically connected to the second contacts surrounding the first row of first contacts.

Furthermore, the first plate body part of the electrical connector assembly of the present invention includes a protruding plate part located behind the opening and protruding outwards, and two sides of the protruding plate part are provided with a protruding plate part directed toward the second plate body part. The extended side portion and the extension portion bent and extended laterally from the end of the side portion, the extension portion and the edges on both sides of the opening are located in the same horizontal plane, the second plate body portion includes a flat plate portion and The crimping portions are bent and extended on both sides of the flat plate portion. The crimping portions are clamped on both lateral edges of the opening and the extension portion. The lateral sides of the opening of the first plate body portion are The edge and the extension part are electrically connected to the second contacts located on both sides of the first surface, and both sides of the flat plate part include A plurality of protrusions protrude in the space, and the plurality of protrusions are electrically connected to second contacts located on both sides of the second surface.

Further, the electrical connector assembly of the present invention further includes an insulating member, the insulating member wraps the cores of the plurality of cables and the first first circuit board in the rear row of the first circuit board. The electrical connection point of the contact, the electrical connection point of the insulation member, the wire core of the cable, the plurality of cables, and the first contact point in the rear row of the first circuit board is located on the protruding plate portion and between the flat portion.

Furthermore, the rear end of the protruding plate portion of the electrical connector assembly of the present invention is bent and extended to form a plurality of first clamping portions, and the rear end of the flat plate portion is bent and extended to form a plurality of second clamping portions. The second clamping portion corresponds to the rear end of each first clamping portion. Two adjacent first clamping portions and two adjacent second clamping portions jointly form a space for the cable. Through the through hole, the cable has an interference fit with the two connected first clamping parts and the two adjacent second clamping parts.

Further, the present invention provides a docking connector assembly for docking with the electrical connector assembly. The docking connector assembly includes a second circuit board and a second connector fixed on the second circuit board. The second connector includes an insulator, a plurality of second terminals fixed on the insulator and corresponding to the first terminals, and a metal shell fixed outside the insulator. The insulator includes a base and an upward direction from the base. A protruding annular docking wall with a docking groove. Each second terminal includes a fixed part fixed in the insulator, and a "u" shape extending from one end of the fixed part to be suspended in the docking groove. The butt part and the welding leg extending from the base part from the other end of the fixed part, the metal shell includes a frame covered outside the annular butt wall and a bent and formed welding leg located on the lower edge of the frame. A plurality of second ground portions, a first space is formed between the mating protrusion of the electrical connector assembly and the shielding shell, and when the electrical connector assembly is mated with the mating connector assembly, the mating The protruding portion is inserted into the mating groove to electrically connect the plurality of first terminals and the plurality of second terminals, and the annular The butt wall and the frame part are integrally inserted into the first space, and the outer surface of the frame part resists the inner surface of the shielding shell.

Compared with the prior art, the present invention has the following beneficial effects: since the first connector of the electrical connector assembly and the cable are electrically connected through the first circuit board, the cable and the The first terminals are not directly connected to each other, thereby protecting the first terminal from being pulled by the cable and being damaged; moreover, since a ground terminal is provided between two adjacent signal terminals in the first terminal, it can Effectively prevent signal interference between the two signal terminals; and because the first terminal is surrounded by the shielding shell, the connection between the first circuit board and the cable and the first circuit board is protected by the Wrapped in a metal shell, each signal-transmitting component of the electrical connector assembly is shielded and protected, which is beneficial to the stability of high-frequency signal transmission.

100: Electrical connector assembly

1: First connector

10: Insulating body

11: base

12:Butt convex part

13:Side wall

21:First terminal

211:Contact Department

212:Welding Department

3: Shielding shell

31:Short wall

32:Long wall

33:First grounding part

4: Overlapping part

41:Substrate

42: Plug-in Department

43:Contact feet

5:Metal shell

51: First plate body part

511:Open your mouth

512:Protruding plate part

513: Side

514:Extension Department

515: First clamping part

52: Second plate body part

521:Platform part

522:convex part

523: Crimping part

524: Second clamping part

53:Perforation

6: Cables, signal cables

61:Wire core

62:Shielding layer

63:Outer insulation layer

7: Insulation parts

101:Docking connector assembly

102: Second connector

8:Insulator

81:Base

82: Annular butt wall

821: docking slot

22: Second terminal

221: docking department

222:Welding feet

9:Metal shell

91:frame

92:Second grounding part

S: signal terminal

G: Ground terminal

200:First circuit board

201: Gap

202: First surface

203: Second surface

x: first contact point

y: second contact point

300: Second circuit board

400:First space

The first figure is a three-dimensional schematic diagram of the electrical connector assembly of the present invention when it is butted with a mating connector assembly; the second figure is a side view of the electrical connector assembly of the present invention and the mating connector assembly; and the third figure is of the electrical connection of the present invention. The fourth figure is a three-dimensional schematic view of the electrical connector assembly of the electrical connector assembly of the present invention when it is separated from the butt connector assembly; the fifth figure is the electrical connection of the electrical connector assembly of the present invention. The bottom view of the connector assembly; the sixth figure is a three-dimensional schematic view of the first circuit board, the first connector, the overlapping portion and the cable of the electrical connector assembly of the present invention; the seventh figure is the electrical connection of the present invention The eighth figure is a partially exploded perspective view of the seventh figure viewed from another direction; the ninth figure is a first circuit of the electrical connector assembly of the electrical connector assembly of the present invention a schematic representation of the first surface of the board; Figure 10 is a partially exploded perspective view of the first circuit board, the first circuit board and the overlapping portion of the electrical connector assembly of the present invention; Figure 11 is an electrical connector of the electrical connector assembly of the present invention A partially exploded three-dimensional view of the first circuit board, the first circuit board, the overlapping portion and the cable of the assembly; Figure 12 shows the first circuit board and the first circuit board of the electrical connector assembly of the present invention , a partially exploded three-dimensional view of the overlapping part, cables and insulating parts; Figure 13 is a partially exploded perspective view of the electrical connector assembly of the present invention; Figure 14 is a partial exploded view of the electrical connector assembly of the present invention Partially exploded view of an electrical connector assembly.

Hereinafter, specific embodiments of the electrical connector assembly 100 of the present invention and the mating connector assembly 101 docked with the electrical connector assembly 100 will be introduced with reference to Figures 1 to 14.

Please refer to Figures 1 to 14. The direction definition of the present invention is based on the first figure. The docking direction of the electrical connector assembly 100 and the mating connector assembly 101 is defined as the up-down direction, which is perpendicular to the up-down direction. The horizontal direction and the front-to-back direction perpendicular to the up-down direction and the horizontal direction, the cable 6 in the first figure is located at the rear end of the entire electrical connector assembly 100.

Please refer to the first, second, fourth to fourteenth figures, the electrical connector assembly 100 includes a first circuit board 200 and a first connection electrically connected to the first circuit board 200 The device 1 and the plurality of cables 6, the insulating member 7 fixed on the first circuit board 200 and covering the plurality of cables 6, the overlapping portion 4 fixed on the first circuit board 200 and the sleeve The metal shell 5 outside the first circuit board 200 .

Please refer to Figures 4 to 14. In a preferred embodiment of the present invention, the first connector 1 includes an insulating body 10, ten first terminals 21 held in the insulating body 10 and The shielding shell 3 is fixed outside the insulating body 10 .

The insulating body 10 includes a base 11 , a mating protrusion 12 extending upward from the base 11 , and two side walls 13 extending upward from both sides of the base 11 .

Each first terminal 21 includes a holding portion (not shown) embedded in the base 11 , an “n”-shaped terminal bent upward from one end of the holding portion (not shown), and exposed. The contact portion 211 of the butt protrusion 12 and the welding portion 212 of the base 11 extend from the other end of the holding portion (not shown). The first terminals 21 are arranged in a horizontal row.

In a preferred embodiment of the present invention, as shown in the sixth figure, the ten first terminals 21 include four signal terminals S and six ground terminals G. A preferred arrangement is that two of the four signal terminals S are located on the outermost sides of the ten first terminals 21, and two other signal terminals S are provided between the signal terminals S on the outermost sides. And two ground terminals G are respectively provided between two adjacent signal terminals S, that is, for example: one signal terminal S, two ground terminals G, one signal terminal S, two ground terminals G, one signal terminal S, Arrangement of two ground terminals G and one signal terminal S.

The shielding case 3 is made of metal and is in the form of a frame. The shielding housing 3 includes two short walls 31 located on both sides of the transverse direction and two long walls 32 located on the front and rear sides and connecting the two short walls 31 . Each of the short walls 31 covers at least the inner surface, the front and rear outer surfaces, and the upper outer surface of the side wall 13 . The long wall 32 is fixed to the upper surface of the base 11 . The lower edge of the front long wall 32 is bent and extended to form three first grounding portions 33 . The lower edge of the rear long wall 32 is bent and extended to form two first grounding portions 33 .

The plurality of cables 6 are four signal cables 6 provided corresponding to the four signal terminals S in the first terminal 21 . Each of the signal cables 6 includes a core 61 located in the center, an inner insulation layer (not numbered) wrapping the core 61, a shielding layer 62 wrapping the inner insulation layer (not numbering), and a shielding layer 62 wrapping the shield. layer 62 of the outer insulating layer 63 .

The overlapping portion 4 is made of metal material. The overlapping portion 4 includes a base plate 41 , two hanging portions 42 formed by upward bending from both sides of the base plate 41 , and three contact pins 43 formed by upward bending from a front edge of the base plate 41 .

Referring to Figures 9 and 10, the rear end of the first circuit board 200 is recessed forward to form a notch 201. The first circuit board 200 includes a first surface 202 and a second surface 203 opposite to the first surface 202 . The first surface 202 includes a total of eight first contacts x for electrically connecting the four signal terminals S and the four signal cables 6 . The eight first contact points x are arranged in two rows of four first contact points x at the front and rear on the first surface 202 . The first surface 202 and the second surface 203 are both provided with a plurality of second contacts y. The plurality of second contacts y on the first surface 202 include two second contacts y respectively located between two adjacent first contacts x among the four first contacts x in the front row. One second contact y is located between two adjacent first contacts x among the four first contacts x in the rear row, and six evenly distributed contacts are located on both sides of the first surface 202 . A second contact point y and five second contact points y evenly distributed around the first contact point x in the front row. The plurality of second contact points y are four second contact points y evenly distributed on both sides of the second surface 203 in the lateral direction. There are twenty-four second contact points y located on the first surface 202 and the second surface 203 .

The metal shell 5 includes a first plate body part 51 and a second plate body part 52 opposite to the first plate body part 51 and located above the first plate body part 51 . A receiving space 500 for receiving the first circuit board 200 , the first connector 1 and the insulating member 7 is formed between the first plate body part 51 and the second plate body part 52 . The first plate body part 51 includes an opening 511 and a protruding plate part 512 located behind the opening 511 . The protruding plate portion 512 protrudes outward from one end of the rear edge of the opening 511 in the front-rear direction. On both sides of the protruding plate portion 512 are provided a side portion 513 extending toward the second plate body portion 52 and an extension portion 514 extending laterally from the end of the side portion 513 . The extension portion 514 and the edges on both sides of the opening 511 are located on the same horizontal plane. The rear end of the protruding plate portion 512 is bent and extended to form five first clamping portions 515 . The second plate body part 52 includes a flat plate part 521 and two sides located on both sides of the flat plate part 521 toward the third plate part 521 . A plate body 51 is bent and extended to form a crimping portion 523 . The lateral sides of the flat plate portion 521 include convex portions 522 protruding into the receiving space 500 and five second clamping portions 524 bent and extended from the rear end of the flat plate portion 521 . The five second clamping parts 524 are provided corresponding to the five first clamping parts 515 . Each of the second clamping parts 524 resists the rear end surface of each of the first clamping parts 515 . A through hole 53 is formed between two adjacent first clamping parts 515 and two adjacent second clamping parts 524 . The first plate body part 51 and the second plate body part 52 of the metal shell 5 can be provided separately, or the second plate body part 52 can be formed by bending from the front end of the first plate body part 51 In a preferred embodiment of the present invention, the first plate body part 51 and the second plate body part 52 are provided separately. Therefore, the front end of the flat plate portion 521 of the second plate body portion 52 is also provided with a crimping portion 523 clamped on the front edge of the opening 511 of the first plate body portion 51 .

In the electrical connector assembly 100 of the present invention, the insulating body 10 of the first connector 1, the first terminal 21 and the shielding shell 3 are integrally injection molded. The contact portion 211 of each first terminal 21 is exposed on the mating protrusion 12 . A first space 400 is formed between the docking protrusion 12 and the inner surface of the shielding housing 3 . As shown in Figures 10 and 11, the first connector 1 is electrically connected to the first surface 202 of the first circuit board 200. The four signal terminals S are electrically connected to the four first contacts x in the front row respectively. The six ground terminals G are respectively electrically connected to two second contacts y located between two adjacent first contacts x among the four first contacts x in the front row. A total of five first ground portions 33 of the two long walls 32 of the shielding housing 3 are electrically connected to five second contacts y surrounding the four first contacts x in the front row.

As shown in Figures 10 to 13, the overlapping portion 4 is suspended in the notch 201. The two hanging portions 42 of the overlapping portion 4 are respectively electrically connected to the two second contacts y located at the back of both lateral sides of the first surface 202 . The three contact pins 43 of the overlapping portion 4 are electrically connected between two adjacent first contact points x among the four first contact points x located in the rear row of the first surface 202 . A second contact point y. The wire cores 61 of the four signal cables 6 are electrically connected to the four first contacts in the rear row respectively. Point x. The shielding layers 62 of the four signal cables 6 are in contact with the upper surface of the substrate 41 of the overlapping portion 4 so that each second contact y and the shielding layers 62 of the four signal cables 6 are electrically grounded. connection. The insulation member 7 covers the cores 61 of the four signal cables 6, the three contact pins 43 of the overlapping portion 4, and the four first contacts x and The second contact y is located between two adjacent first contacts x among the first contacts x, thereby enhancing welding stability and preventing short circuit.

Please refer to Figures 13 and 14, the first board body portion 51 is installed on the first surface 202 of the first circuit board 200. The first connector 1 partially passes through the opening 511 to mate with the second connector 102 of the mating connector assembly 101 . The protruding plate portion 512 covers the rear end of the first circuit board 200 , the four signal cables 6 , the overlapping portion 4 and the insulating member 7 . The lateral edges of the opening 511 and the extension 514 are respectively electrically connected to the four second contacts y located in front of the lateral sides of the first surface 202 . The second board body portion 52 is installed on the second surface 203 of the first circuit board 200 . The pressure-contacting portions 523 on both sides of the flat plate portion 521 are clamped on both lateral edges of the opening 511 and the extension portion 514 to fix the entirety. The rear end of the first circuit board 200 , the four signal cables 6 , the overlapping portion 4 and the insulating member 7 are located between the protruding plate portion 512 and the second plate body portion 52 . The convex portions 522 on both sides of the flat plate portion 521 are electrically connected to the second contacts y located on both sides of the second surface 203 respectively. The four signal cables 6 pass through the through holes 53 at the rear end of the metal housing 5 respectively. The outer insulation layer 63 of the four signal cables 6 is interference-fitted with the two adjacent first clamping parts 515 and the two adjacent second clamping parts 524 to fix the four signal cables. 6.

The four signal terminals S of the electrical connector assembly 100 and the cores 61 of the four signal cables 6 are electrically connected through the first contacts x to transmit signals. The six ground terminals G, the shielding shell 3 and the metal shell 5 are electrically connected to the ground through the second contact y and the overlapping portion 4 and the shielding layer 62 of the four signal cables 6, thereby having the function of shielding signals. .

Referring to the third figure, the mating connector assembly 101 includes a second circuit board 300 and a second connector 102 electrically connected to the second circuit board 300 . The second connector 102 includes The insulator 8 , the ten second terminals 22 fixed on the insulator 8 and corresponding to the ten first terminals 21 , and the metal shell 9 fixed on the outside of the insulator 8 .

The insulator 8 includes a base 81 and an annular docking wall 82 with a docking groove 821 protruding upward from the base 81 .

The ten second terminals 22 are arranged in the same manner as the ten first terminals 21 . Each of the second terminals 22 includes a fixed portion (not shown) held in the insulator 8 , and a “u”-shaped terminal extending from one end of the fixed portion (not shown) to be suspended in the mating groove 821 . ”-shaped butt portion 221 and a welding leg 222 extending from the other end of the fixing portion (not shown) of the base portion 81 .

The metal shell 9 includes a frame 91 covering the annular butt wall 82 and a second grounding portion 92 formed by bending at the lower edge of the frame 91 .

The insulator 8 and the metal shell 9 are integrally injection molded. The ten second terminals 22 are inserted into the insulator 8 .

When the electrical connector assembly 100 is docked with the mating connector assembly 101 , the mating protrusion 12 is inserted into the mating slot 821 to connect the ten first terminals 21 and the ten second terminals 22 Electrically connected, the annular butt wall 82 and the frame 91 are integrally inserted into the first space 400 , and the outer surface of the frame 91 resists the inner surface of the shielding housing 3 .

Since the first connector 1 of the electrical connector assembly 100 and the cable 6 are electrically connected through the first circuit board 200, the cable 6 and the first terminal 21 are not directly connected. , thereby protecting the first terminal 21 from being pulled by the cable 6 and being damaged. Moreover, since the overlapping portion 4 is used to electrically connect the shielding layer 62 of the cable 6 to the ground, the contact pins 43 of the overlapping portion 4 are respectively located between the cores 61 of the two adjacent signal cables 6 and the first contact pin 43 . The connections between the circuit boards 200 serve as a shield, which can effectively prevent signal interference between the cores 61 of two adjacent signal cables 6 . Moreover, since two ground terminals G are provided between two adjacent signal terminals S in the first terminal 21 , signal interference between the two signal terminals S can be effectively prevented. Furthermore, because the metal shell 5 of the electrical connector assembly 100 can protect the components located in the receiving space 500 Each component is not damaged by external impact, and because the metal shell 5 and the shielding layer 62 of the signal cable 6 are electrically connected to the ground, it has a good shielding function. Moreover, when the electrical connector assembly 100 is docked with the mating connector assembly 101, the shielding case 3 and the metal case 9 are engaged to surround the first terminal 21 and the second terminal 22, resulting in The electrical connector assembly 100 of the present invention not only has strong structural stability as a whole, but also has stronger ability to prevent external signal interference and anti-interference between components, which is beneficial to the stability of transmission signals, especially the transmission of high-frequency signals. stability.

The above are the preferred embodiments of the present invention. In other preferred solutions, the first connector 1 of the electrical connector assembly 100 and the second connector 102 of the mating connector assembly 101 can be interchanged, and the same can be achieved. object of the present invention. The number of terminals of the first terminal 21 and the second terminal 22 can be increased or decreased, as long as the ground terminal G is provided between two adjacent signal terminals S.

To sum up, the above are only preferred embodiments of the present invention. However, those skilled in the art may still make various substitutions and modifications based on the teachings and disclosures of the present invention without departing from the spirit of the present invention. Therefore, the protection scope of the present invention should not be limited to the content disclosed in the embodiments. That is, any simple equivalent changes and modifications made based on the patent application scope of the present invention and the content of the description of the present invention should be covered by the following patent application scope.

100: Electrical connector assembly

101:Docking connector assembly

300: Second circuit board

5:Metal shell

515: First clamping part

52: Second plate body part

523: Crimping part

524: Second clamping part

6: Cables, signal cables

Claims (10)

An electrical connector assembly, wherein the electrical connector assembly includes a first circuit board, a first connector and a plurality of cables fixed on the circuit board, and a metal shell fixed outside the first circuit board , the first connector includes an insulating body, a plurality of first terminals held in the insulating body and a shielding shell held outside the insulating body, the insulating body includes a base, upward from the base A protruding butt-joining protrusion is formed. Each of the cables includes a core located at the center and fixed to the first circuit board and a shielding layer surrounding the core. The metal shell includes a first plate. The body part and the second plate body part opposite to the first plate body part, the first plate body part and the second plate body part are formed to accommodate the first circuit board and the first connector a receiving space, the first plate body part has an opening for the first connector to pass through and be exposed outside the shielding housing, the electrical connector assembly further includes an overlapping part, the overlapping part is electrically Sexually connected to the shielding layer and the first circuit board, the overlapping portion includes a base plate, two hanging portions extending from both sides of the base plate, and a plurality of contact pins extending from the front edge of the base plate, the The shielding layers of the plurality of cables are fixed on the surface of the substrate, and the plug-in part and the plurality of contact pins are fixed on the first circuit board. The electrical connector assembly according to claim 1, wherein the first circuit board includes a first surface and a second surface opposite to the first surface, and the rear end of the first circuit board faces forward. The recess is provided with a gap, the overlapping portion is suspended in the gap, the hanging portion is bent upward from both sides of the substrate, and the plurality of contact pins are bent upward from the front edge of the substrate, so The two plug-in parts and a plurality of contact pins are fixed on the first surface of the first circuit board. The plurality of first terminals include a plurality of signal terminals and a plurality of ground terminals. The plurality of ground terminals, the shielding shell and the metal shell are The first circuit board and the overlapping portion are electrically connected to the shielding layer of the cable. The electrical connector assembly as described in item 2 of the patent application, wherein the plurality of cables are provided correspondingly to the plurality of signal terminals, and the first circuit board includes a first surface and a plurality of electrical connectors located on the first surface. The plurality of signal terminals are electrically connected to a plurality of first contacts of the wire cores of the plurality of cables. The plurality of first contacts are arranged in two rows at the front and rear on the first surface, and the plurality of signal terminals correspond to electrical Connected to the first contacts in the front row, the wire cores of the plurality of cables are electrically connected to the first contacts in the rear row. The electrical connector assembly according to claim 3 of the patent application, wherein the first circuit board further includes a plurality of second contacts located on the first surface and a second surface, and the plurality of second contacts located on the first surface The points are respectively located on both sides of the first surface, between two adjacent first contacts and around the first row of first contacts, and a plurality of second contacts located on the second surface. A ground terminal is provided on both sides of the second surface, between two adjacent signal terminals. The ground terminal, the two hanging parts of the shielding shell and the overlapping part and a plurality of contact pins Each of them is electrically connected to a plurality of second contacts located on the first surface, and the metal shell is electrically connected to a plurality of second contacts located on the first surface and the second surface. The electrical connector assembly as described in Item 4 of the patent application, wherein the two hanging parts of the overlapping part are electrically connected to two second contacts located at the rear ends of both sides of the first surface, and the plurality of contacts The legs are respectively electrically connected to the second contacts between the first contacts in the rear row. The electrical connector assembly as claimed in item 4 of the patent application, wherein the insulative body further includes two side walls protruding upward from both sides of the base, and the plurality of first terminals are arranged in a row laterally. , each of the first terminals includes a holding part embedded in the base, a contact part bent upward from one end of the holding part to form an "n" shape and exposed to the mating convex part, and a self-contained contact part. The other end of the holding part extends out of the base The welding parts of the signal terminals are electrically connected to the first contacts in the front row, and the welding parts of the ground terminals are electrically connected to adjacent first contacts in the front row. The second contact point between the two first contacts, the shielding housing includes two short walls located on both sides of the lateral direction, two long walls connecting the two short walls located in the front and rear direction, and two long walls connected to each of the long walls. A plurality of first grounding portions are formed by bending and extending the lower edge. The short wall covers the side wall. The long wall is fixed on the upper surface of the base. The plurality of first grounding portions are partially buried in the base. Inside the seat, part of it is exposed from the base, and the plurality of first ground parts are electrically connected to the second contacts surrounding the first row of first contacts respectively. The electrical connector assembly as claimed in Item 4 of the patent application, wherein the first plate body portion includes a protruding plate portion located behind the opening and protruding outward, and two sides of the protruding plate portion are provided with a protruding plate portion directed toward the direction. The side portion formed by the extension of the second plate body portion and the extension portion laterally bent and extended from the end of the side portion, the extension portion and the edges on both sides of the opening are located in the same horizontal plane, and the second plate The body part includes a flat plate part and a crimping part bent and extended on both sides of the flat plate part. The crimping part is clamped on both lateral edges of the opening and the extension part. The first plate body part The lateral edges on both sides of the opening and the extension are electrically connected to the second contacts located on both sides of the first surface, and both sides of the flat plate portion include a plurality of protrusions protruding into the receiving space. part, and the plurality of protrusions are electrically connected to second contacts located on both sides of the second surface. The electrical connector assembly as claimed in claim 7 of the patent application, wherein the electrical connector assembly further includes an insulating member that wraps the cores of the plurality of cables and the abutment of the first circuit board. The electrical connection between the first contacts in the rear row, the insulating member, the cable cores of the plurality of cables, and the first contacts in the rear row of the first circuit board is located between the protruding plate portion and the flat plate portion. The electrical connector assembly as described in item 7 of the patent application, wherein the protruding plate portion A plurality of first clamping parts are bent and extended at the rear end of the flat plate part. A plurality of second clamping parts are bent and extended at the rear end of the flat plate part. Each of the second clamping parts is correspondingly pressed against each of the first clamps. At the rear end of the holding part, two adjacent first holding parts and two adjacent second holding parts are jointly formed with a through hole for the cable to pass through, and the cable is connected to the two connected second holding parts. There is an interference fit between one clamping part and two adjacent second clamping parts. A butt connector assembly, wherein the butt connector assembly includes a second circuit board, a second connector and a plurality of cables held on the second circuit board, and a second circuit board held outside the second circuit board. Metal shell, the second connector includes an insulator, a plurality of second terminals fixed on the insulator, and a metal shell fixed on the outside of the insulator. The insulator includes a base, and a butt joint protruding upward from the base. The annular butt wall of the slot, each of the second terminals includes a fixed part fixed in the insulator, a "u"-shaped butt part extending from one end of the fixed part to be suspended in the butt slot, and a self-contained The other end of the fixing part extends from the welding leg of the base part. The metal shell includes a frame covered outside the annular butt wall and a plurality of second grounding parts formed by bending at the lower edge of the frame. , each of the cables includes a core located in the center and fixed to the second circuit board and a shielding layer surrounding the core, and the metal shell includes a first plate body and a third plate body. A second plate body part is opposite to the second plate body part. A receiving space for accommodating the second circuit board and the second connector is formed between the first plate body part and the second plate body part. The second plate body part has an opening for the second connector to pass through and be exposed outside the metal shell. The butt connector assembly further includes an overlapping part, and the overlapping part is electrically connected to the The shielding layer and the second circuit board, the overlapping portion includes a base plate, two hanging portions extending from both sides of the base plate, and a plurality of contact pins extending from the front edge of the base plate, and the shielding of the plurality of cables The layers are all fixed on the surface of the substrate, and the plug-in part and the plurality of contact pins are fixed on the second circuit board.

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