TWM511689U - Receptacle connector and receptacle connector assembly - Google Patents

Description

Socket connector and socket connector combination 【0001】

The present invention relates to a connector, and more particularly to a socket connector and a socket connector combination.

【0002】

With the development of electronic technology, the application fields of electrical connectors are more and more extensive, and many electronic devices are equipped with a plurality of socket connectors to realize electrical signal transmission with a plurality of electrical components.

[0003]

However, multiple socket connectors are mounted on the circuit board and require a large area of the board. In addition, when the plurality of socket connectors are soldered on the circuit board, the soldering needs to be placed one by one, which is time consuming and laborious, and the production efficiency is low.

[0004]

Therefore, it is necessary to provide a combination of a socket connector and a socket connector that is easy to assemble and occupy a small circuit board area, thereby saving man-hours and improving production efficiency.

[0005]

The purpose of the present invention is to provide a convenient assembly and a combination of a socket connector and a socket connector that occupy a small circuit board area for the defects and deficiencies of the prior art, thereby saving man-hours and improving production efficiency.

[0006]

To achieve the above object, the inventive socket connector assembly includes a plurality of socket connectors, and the socket connectors are fixed together in a stack on top of each other. Each socket connector comprises an upper terminal module, two lower terminal modules, two middle shielding plates, two docking modules and a shielding shell. The upper terminal module includes an upper base portion and two sets of upper conductive terminals; the upper base portion has a fixing portion, and the upper portions of the rear portions of the left and right sides of the fixing portion protrude outwardly from the first connecting portion, and the ends of the two first connecting portions are A main body portion is connected; the two sets of upper conductive terminals are respectively fixed in a body portion, and the rear ends of the upper conductive terminals protrude from the rear surface of the main body portion, and the front ends of the upper conductive terminals are laterally arranged to protrude from the front of the main body portion. The two lower terminal modules are respectively fixed on the lower surface of a body portion, and each includes a second base portion and a set of lower conductive terminals; the second base portions are respectively fixed on the lower surface of the body portion, and the lower conductive terminals are respectively Fixed in the second base portion, the rear end of each lower conductive terminal protrudes from the rear surface of the second base portion, and the front end of each lower conductive terminal protrudes laterally from the front surface of the second base portion; the two shield plates are respectively fixed The front end of each of the shielding plates protrudes from the front surface of the main body portion and the second base portion; the two docking modules each include a pair of connecting portions, and the front surface of the abutting portion opens inwardly with a pair of concave portions Slot A rear tongue protrudes forwardly from the rear wall, and a rear side surface of the abutting portion defines a receiving groove extending to the front portion of the tongue plate and penetrating the left and right sides of the tongue plate. The rear surface of the abutting portion is in the upper direction of the receiving groove The front opening is provided with a plurality of upper terminal slots extending in a lateral direction and extending to the front surface of the tongue plate surface, and the rear surface of the abutting portion is opened forwardly under the receiving groove and provided with a horizontal arrangement extending to the front of the lower surface of the tongue plate. a terminal slot; the two docking modules are respectively fixed on the front part of the upper terminal module, the middle shielding plate and the lower terminal module, and the front end of the middle shielding plate is disposed in the receiving slot, and the front end of each upper conductive terminal is fixed on the upper end The upper surface of the tongue plate is exposed in the terminal slot, and the front end of each lower conductive terminal is fixed in the lower terminal slot and the lower surface of the tongue plate is exposed; the shielding case is wrapped around the upper terminal module and the lower terminal module, The middle of the shield and the two docking modules.

【0007】

In order to achieve the above object, the creative socket connector comprises an upper terminal module, two lower terminal modules, two middle shielding plates, two docking modules and a shielding shell. The upper terminal module includes an upper base portion and two sets of upper conductive terminals; the upper base portion has a fixing portion, and the upper portions of the rear portions of the left and right sides of the fixing portion protrude outwardly from the first connecting portion, and the ends of the two first connecting portions are A main body portion is connected; the two sets of upper conductive terminals are respectively fixed in a body portion, and the rear ends of the upper conductive terminals protrude from the rear surface of the main body portion, and the front ends of the upper conductive terminals are laterally arranged to protrude from the front of the main body portion. The two lower terminal modules are respectively fixed on the lower surface of a body portion, and each includes a second base portion and a set of lower conductive terminals; the second base portions are respectively fixed on the lower surface of the body portion, and the lower conductive terminals are respectively Fixed in the second base portion, the rear end of each lower conductive terminal protrudes from the rear surface of the second base portion, and the front end of each lower conductive terminal protrudes laterally from the front surface of the second base portion; the two shield plates are respectively fixed The front end of each of the shielding plates protrudes from the front surface of the main body portion and the second base portion; the two docking modules each include a pair of connecting portions, and the front surface of the abutting portion opens inwardly with a pair of concave portions Slot A rear tongue protrudes forwardly from the rear wall, and a rear side surface of the abutting portion defines a receiving groove extending to the front portion of the tongue plate and penetrating the left and right sides of the tongue plate. The rear surface of the abutting portion is in the upper direction of the receiving groove The front opening is provided with a plurality of upper terminal slots extending in a lateral direction and extending to the front surface of the tongue plate surface, and the rear surface of the abutting portion is opened forwardly under the receiving groove and provided with a horizontal arrangement extending to the front of the lower surface of the tongue plate. a terminal slot; the two docking modules are respectively fixed on the front part of the upper terminal module, the middle shielding plate and the lower terminal module, and the front end of the middle shielding plate is disposed in the receiving slot, and the front end of each upper conductive terminal is fixed on the upper end The upper surface of the tongue plate is exposed in the terminal slot, and the front end of each lower conductive terminal is fixed in the lower terminal slot and the lower surface of the tongue plate is exposed; the shielding case is wrapped around the upper terminal module and the lower terminal module, The middle of the shield and the two docking modules.

[0008]

As described above, the original socket connector is respectively fixed on the lower surfaces of the two body portions of the upper terminal module by the two lower terminal modules, and the two shielding plates are respectively fixed between the body portion and the second base portion, The docking modules are respectively fixed on the front part of the upper terminal module, the lower terminal module and the two middle shielding plates. The socket connector is convenient to assemble and has two docking grooves, and can simultaneously insert two plug connectors. The socket connector assembly fixes the plurality of socket connectors on top of each other, and only needs to be placed once when the socket connectors are soldered to the circuit board, and only needs to occupy a socket connector on the circuit board. The area and thus the socket connector assembly are convenient to assemble, occupying a small circuit board area, saving man-hours and improving production efficiency.

[0036]

100‧‧‧Receptacle connector 101‧‧‧Upper socket connector 102‧‧‧Distributor connector 103‧‧‧Lower socket connector 10‧‧‧Upper terminal module 11‧‧‧ Upper base 111‧‧‧ Fixed Part 112‧‧‧ Positioning post 113‧‧‧First fixing hole 114‧‧‧First insertion hole 115‧‧‧Intervaling projection 116‧‧‧First connection part 1161‧‧‧ Connection part insertion hole 117‧ ‧ ‧ body part 1171‧‧ ‧ upper part 1172‧‧ ‧ fixed column 118‧‧‧ first slot 119‧‧‧ second slot 12‧‧‧ upper conductive terminal 13‧‧‧ upper housing 131‧‧ ‧ Upper casing base 132‧‧‧Second fixing hole 133‧‧‧Upper casing front plate 134‧‧‧Upper casing side panel 135‧‧‧Upper casing notch 136‧‧‧Upper casing pin 14‧‧‧ Lower casing 141‧‧ ‧ Lower outer casing 142‧‧‧ third fixing hole 143‧‧‧ lower casing pin 144‧‧‧ lower casing front plate 145‧‧‧ Side plate 146‧‧ ‧ side plate spring abutment 147‧‧ ‧ limit groove 148‧‧‧ lower case holding foot 20‧‧‧ lower terminal module 21‧‧‧ second base 211‧‧‧ lower securing part 212‧ ‧Positioning hole 22‧‧‧Electrical terminal 30‧‧‧Shielding plate 31‧‧‧Substrate 32‧‧‧Retaining plate 33‧‧‧Boom arm 34‧‧‧ Through hole 35‧‧‧ Inserting foot 40‧‧ ‧ docking module 41‧‧‧ docking part 411‧‧‧ docking groove 412‧‧ ‧ tongue plate 4121‧‧‧ upper terminal slot 4122‧‧‧ lower terminal slot 413‧‧‧ first missing slot 414‧‧‧ Two missing slots 415‧‧‧ missing slots 4151‧‧‧ holding holes 416‧‧‧ missing slots 417‧‧‧ receiving slots 418‧‧‧ mounting recesses 419‧‧‧ holding slots 4191‧‧ holes 42 ‧‧‧Upper holding plate 421‧‧‧Upper holding substrate 422‧‧‧Fixed foot 423‧‧‧Upper elastic part 43‧‧‧ Lower holding plate 431‧‧‧ Lower holding substrate 43 ‧‧‧Knitting side plate 433‧‧‧Gap 434‧‧‧Second connection 435‧‧‧Under the ball-off part 44‧‧‧ Guide plate 441‧‧‧ Guide plate 442‧‧‧ Guide side plate 443‧ ‧ ‧ 槽 444 ‧ ‧ 挡 挡 45 45 45 45 45 45 45 45 45 45 45 45 45 45 45 45 45 45 45 45 45 45 45 45 45 45 45 45 45 45 45 45 45 45 45 45 45 45 45 45 45 45 45 45 45 45 45 45 45 45 45 45 45 45 45 45 45 45 45 45 45 45 45 45 45 45 45 45 45 45 45 45 45 45 45 45 45 45 45 45 45 45 45 45 45 45 45 45 45 45 45 513‧‧‧4nd fixing hole 521‧‧ ‧ bottom plate notch 522‧‧‧ lower clamping piece 523‧‧‧ fifth fixing hole 53‧‧‧ side plate 54‧‧‧ holding foot 200‧‧‧ fastening piece 201‧ ‧ ‧ fastening substrate 202 ‧ ‧ clamping plate 203 ‧ ‧ fastening side plate 300 ‧ ‧ fixed shaft 621 ‧ ‧ convex bulge 811 ‧ ‧ convex bulge 50, 60, 70, 80 ‧ ‧ shield Housing 51, 61, 71, 81‧‧‧ top plates 52, 62, 72, 82‧‧‧ bottom plate

【0009】

The first figure is a perspective view of one embodiment of the present socket connector assembly.
The second figure is a perspective view of another angle of the present socket connector assembly.
The third figure is an exploded perspective view of the combination of the present socket connector.
The fourth figure is a perspective view of an embodiment of the present socket connector.
The fifth figure is a perspective view of the other angle of the present socket connector shown in the fourth figure.
The sixth figure is a perspective view of the present socket connector without a shielded housing.
The seventh figure is a perspective view of the assembly of the first terminal module, the second terminal module and the middle shielding plate of the original socket connector.
The eighth figure is an exploded perspective view of the first terminal module, the second terminal module and the middle shielding plate of the present socket connector.
The ninth figure is a perspective view of the base above the creative socket connector.
The tenth figure is an exploded perspective view of the docking module of the present socket connector.
The eleventh figure is a perspective view of the docking part of the creation.
Figure 12 is a perspective view of the shielded housing of the receptacle connector over the combination of the present receptacle connector.
Figure 13 is a perspective view of the shielded housing of the receptacle connector of the present invention.
Figure 14 is a perspective view of the shielded housing of the receptacle connector under the creation of the socket connector assembly.

[0010]

To clarify the technical content, structural features, objectives, and effects of the present invention, the embodiments are described in detail below with reference to the drawings.

[0011]

Referring to the third and fourth figures, the creative socket connector assembly is soldered to a circuit board (not shown), and the plurality of socket connectors 100 are stacked one on top of the other, including a plurality of socket connectors 100 and a fastening piece. 200 and two fixed shafts 300.

[0012]

Referring to FIG. 4 to FIG. 6 , each of the socket connectors 100 includes an upper terminal module 10 , two mutually symmetric lower terminal modules 20 , two middle shielding plates 30 , a pair of connection modules 40 , and a shielding layer . Housing 50.

[0013]

Referring to FIGS. 5 to 9 , the upper terminal module 10 includes an upper base 11 , two sets of upper conductive terminals 12 , an upper outer casing 13 and a lower outer casing 14 . The upper base portion 11 has a rectangular fixing portion 111, and a rear surface of the fixing portion 111 protrudes rearward from a positioning post 112. The upper surface of the fixing portion 111 is provided with two first fixing holes 113 extending through the lower surface of the fixing portion 111. The middle portion of the lower surface of the fixing portion 111 defines a first insertion hole 114, and the upper surface and the lower portion of the fixing portion 111 The rear portion of the surface protrudes from a spacer bump 115. The upper portion of the rear portion of the left and right sides of the fixing portion 111 protrudes outwardly from a first symmetrical first connecting portion 116. The first connecting portions 116 are respectively provided with a plurality of first connecting portions 116 extending through the front and rear. The connection portion of the upper surface and the lower surface is inserted into the hole 1161. The ends of the first connecting portions 116 are connected to each other with a symmetrical body portion 117. The upper surfaces of the two body portions 117 extend beyond the upper surface of the fixing portion 111, so that the fixing portion 111 and the two body portions 117 and the two first connecting portions 116 A first slot 118 is formed around the upper surface. The lower surface of the two main portions 117 extends beyond the lower surface of the first connecting portion 116, so that a second slot 119 is defined between the fixing portion 111 and the lower surfaces of the two main portions 117 and the first connecting portions 116. . The front surfaces of the main body portions 117 are inclined to the outer side, and the lower portions of the front surfaces of the main body portions 117 project forwardly from the upper fastening portion 1171 which is perpendicular to the front surface of the main body portion 117. The two body portions 117 The lower surface is convexly provided with a plurality of fixing posts 1172.

[0014]

The upper casing 13 has an upper casing substrate 131. The upper casing substrate 131 defines two second fixing holes 132 arranged in front and rear. The front end edge of the upper casing substrate 131 is connected to an upper casing front plate 133 which is bent downward. Both sides of the upper casing base plate 131 are bent downwardly to extend an upper casing side plate 134. The rear portions of the upper casing side plates 134 are respectively provided with an upper casing notch 135, and the top walls of the upper casing notches 135 are downwardly convex. The upper plurality of upper housing pins 136 are arranged one behind the other.

[0015]

The lower outer casing 14 has a lower outer casing 141. The lower outer casing 141 has two third fixing holes 142 arranged in the front and rear. The lower outer casing 141 is formed with an upward bend in the middle of the third fixing holes 142. The lower outer casing pin 143 is folded. The front end edge of the lower casing substrate 141 is connected to a lower casing front plate 144 which is bent upward. Both side edges of the lower outer casing 141 are bent upwardly to extend out of the outer casing side plate 145, and the front portions of the lower outer casing side plates 145 are outwardly punched out to the one side plate elastic abutting portion 146, and the middle portions of the lower outer casing side plates 145 are opened. The limiting groove 147 and the rear end edges of the two lower casing side plates 145 are all convexly provided with a plurality of lower casing holding legs 148.

[0016]

The conductive terminals 12 are respectively fixed in the main body portion 117 of the upper base portion 11. The rear ends of the upper conductive terminals 12 are protruded from the rear surface of the main body portion 117, and the front ends of the upper conductive terminals 12 are laterally arranged. The front surface of the body portion 117 is extended. Specifically, the front ends of the upper conductive terminals 12 are laterally arranged to protrude from the front surface of the upper fastening portion 1171.

[0017]

The upper casing substrate 131 is disposed on the upper surface of the fixing portion 111, the upper casing front plate 133 is disposed on the upper portion of the front surface of the fixing portion 111, the second fixing hole 132 is correspondingly communicated with the first fixing hole 113, and the upper casing side plates 134 are respectively The upper portion of the upper portion of the upper casing side plate 134 extends into the first slot 118, and the upper portion of the first connecting portion 116 is disposed in the upper casing notch 135, and the upper casing pins 136 are respectively fixed. The lower housing substrate 141 is disposed on the lower surface of the fixing portion 111, the lower housing front plate 144 is disposed on the lower portion of the front surface of the fixing portion 111, and the lower housing pin 148 is fixed to the first insertion portion. The third fixing hole 142 is in communication with the first fixing hole 113 and the second fixing hole 132. The lower casing side plates 145 are respectively fixed on the lower left and right sides of the fixing portion 111, and the upper ends of the lower casing side plates 145 are respectively fixed. Extending into the second slot 119, the lower portion of the first connecting portion 116 is snapped The limiting groove 147, the inner side surface of two side lower case 145 are affixed to an upper end disposed on the outer side surface of two of the lower housing 134 side.

[0018]

The two lower terminal modules 20 are symmetrical to each other, and each of the lower terminal modules 20 includes a second base portion 21 and a set of lower conductive terminals 22. The second base portion 21 has a rectangular shape, the front surface of the second base portion 21 is an inclined surface inclined to one side, and the upper portion of the front surface of the second base portion 21 protrudes forwardly to a lower card perpendicular to the front surface of the second base portion 21. Solid part 211. A plurality of positioning holes 212 are defined in the upper surface of the second base portion 21.

[0019]

The two sets of lower conductive terminals 22 are respectively fixed in the two second base portions 21, and the rear ends of the lower conductive terminals 22 are protruded from the rear surface of the second base portion 21. The front ends of the lower conductive terminals 22 are laterally arranged and protruded. The front surface of the second base 21. Specifically, the front ends of the lower conductive terminals 22 are laterally arranged to protrude from the front surface of the lower fastening portion 211.

[0020]

The middle shielding plate 30 has a substrate 31. The front end edge of the substrate 31 is an inclined surface inclined to one side. The middle portion of the front end edge of the substrate 31 protrudes forwardly from a holding plate 32 perpendicular to the front end edge. A front end of the retaining plate 32 protrudes forwardly from a resilient arm 33. A plurality of through holes 34 are defined in the substrate 31, and a rear end edge of the substrate 31 protrudes rearwardly from a plurality of insertion pins 35 arranged in a lateral direction.

[0021]

Referring to the fifth, sixth, tenth, and eleventh drawings, the docking module 40 includes a pair of joints 41, an upper holding plate 42, a lower holding plate 43, a guiding plate 44, and Two grounding feet 45. The abutting portion 41 has a rectangular shape. The front surface of the abutting portion 41 defines a pair of engaging grooves 411. The rear wall of the mating groove 411 protrudes forwardly from the tongue 412 of the front surface of the abutting portion 41. A front portion of the upper surface of the portion 41 defines a V-shaped first notch 413, and a front portion of the lower surface of the abutting portion 41 defines a V-shaped second notch 414. The first notch 413 The central portion of the second missing slot 414 is in communication with the docking groove 411. An upper notch 415 is formed in the upper surface of the abutting portion 41, and a retaining hole 4151 is defined in a lower portion of the rear portion of the bottom wall of the upper notch 415. A lower notch 416 communicating with the second notch 414 is defined in the lower surface of the abutting portion 41. The rear surface of the abutting portion 41 defines a receiving groove 417 extending forwardly of the tongue plate 412 and extending through the left and right sides of the tongue plate 412. The rear surface of the abutting portion 41 is disposed forwardly above the receiving groove 417. The plurality of upper terminal slots 4121 extend to the front surface of the upper surface of the tongue plate 412. The rear surface of the abutting portion 41 is forwardly disposed below the receiving groove 417 to provide a plurality of lower terminals extending in a lateral direction and extending to the front surface of the lower surface of the tongue plate 412. Slot 4122. Specifically, a mounting groove 418 is defined inwardly of the rear surface of the abutting portion 41. The receiving groove 417, the plurality of upper terminal slots 4121 and the plurality of lower terminal slots 4122 are opened forward from the front wall of the mounting groove 418. A centrally extending extending slot 419 is defined in the middle of the left and right sides of the abutting portion 41. The central portion of the retaining slot 419 defines an opening 4191 communicating with the mating recess 411 inwardly.

[0022]

The upper holding plate 42 has a rectangular plate-shaped upper holding substrate 421. The rear end edges of the upper and lower sides of the upper holding substrate 421 are bent outwardly and extended to extend a fixing leg 422. The front end edge of the upper holding substrate 421 is connected to at least one upper elastic portion 423 which is bent forward and downward and then bent forward and upward to extend upward and then bent upward. Specifically, the front end edge of the upper holding substrate 421 is connected with three upper elastic portions 423 which are vertically arranged and bent forward and then bent forward and extended upward and finally bent upward.

[0023]

The lower holding plate 43 has a lower holding substrate 431. The left and right sides of the lower holding substrate 431 are bent upward to extend a holding side plate 432. The front edge of the holding side plate 432 extends forward and beyond the lower card. Holding a front end edge of the substrate 431, a front portion of the lower holding substrate 431 defines a notch 433, and the lower holding substrate 431 is connected to the rear wall of the notch 433 with at least one extending forward and then extending forward and upward and then extending The front extension second connecting portion 434 is connected to the lower end portion of the second connecting portion 434 with a lower elastic portion 435 which is bent forwardly and upwardly and then bent forward and downward to extend the end and then bent downward. Specifically, the rear wall of the lower holding substrate 431 is connected to a plurality of laterally arranged first connecting portions 434 which are laterally arranged and then extended forwardly and then extended forwardly and then extended forwardly. The end edges of the portion 434 are all connected with a lower elastic abutting portion 435 which is bent forwardly and upwardly and then bent forward and downward to extend the end and then bent downward.

[0024]

The guiding plate 44 has a plate-shaped guiding substrate 441. The left and right edges of the guiding substrate 441 are bent downward to extend a guiding side plate 442, and a slot is formed in the front portion of the guiding substrate 441. 443. The rear wall of the slot 443 protrudes forwardly from the stop piece 444 which extends forwardly and then extends forward and downward.

[0025]

The two grounding legs 45 are symmetrical to each other, and the two grounding legs 45 each have a holding base 451. The outer edge of the holding base 451 is bent downward to extend a soldering piece 452. The front end edge of the holding base 451 is connected forwardly and forwardly. The outer extension is further inwardly and backwardly bent to extend and finally bend back and extend the elastic contact portion 453.

[0026]

The holding bases 451 are respectively fixed on the two sides of the abutting portion 41, and the two elastic contacting portions 453 respectively extend into the butting grooves 411 from the left and right sides of the abutting portion 41. Specifically, the two holding bases 451 are respectively fixed in a retaining slot 419 on the left and right sides of the abutting portion 41. The two soldering pieces 452 are respectively attached to the left and right sides of the abutting portion 41, and the two elastic contact portions 453 are respectively The opening 4191 extends into the butt groove 411. The upper holding plate 421 is disposed in the upper notch 415, and the two fixing legs 422 are respectively fixed in a holding hole 4151. The upper elastic portions 423 are respectively disposed in the first notch 413. The guiding substrate 441 is fixed on the upper surface of the upper holding substrate 421, and the guiding side plates 442 are respectively attached to the upper portions of the left and right sides of the abutting portion 41. The stopping piece 444 is disposed on the top surface of the rear end of the elastic portion 423. . The lower holding substrate 431 is disposed on the lower surface of the abutting portion 41. The two clamping side plates 432 are respectively fixed on the left and right sides of the abutting portion 41. The middle portions of the inner side surfaces of the two clamping side plates 432 and the outer side of the soldering piece 452 are respectively respectively. Abutting, the upper portions of the inner sides of the two holding side plates 432 are respectively abutted against the outer side surfaces of the guiding side plates 442, and the second connecting portions 434 are respectively disposed in the lower notches 416, and the lower elastic portions 435 are respectively accommodated in the first side. Two missing slots 414.

[0027]

Referring to the fourth and fifth figures, the shielding shell 50 has a rectangular frame shape and is surrounded by a top plate 51, a bottom plate 52, and two side plates 53. The front end surface of the shielding shell 50 is from the middle to the two sides. Side tilt. A top plate notch 511 is punched in the middle of the top plate 51, and both side edges of the top plate notch 511 are bent downward to extend an upper fixing piece 512, and a bottom plate gap is formed in the middle of the bottom plate 52 corresponding to the top plate notch 511. 521, both side edges of the bottom plate notch 521 are bent upward to extend out of the locking piece 522. The fourth fixing hole 513 is arranged on the top plate 51. The fifth fixing hole 523 is defined in the bottom plate 52 corresponding to the two fourth fixing holes 513. A plurality of retaining legs 54 are protruded rearwardly from the rear end edges of the top plate 51, the bottom plate 52 and the side plates 53.

[0028]

Referring to the third figure, the fastening piece 200 has a longitudinally extending fastening substrate 201. The upper end edge and the lower end edge of the fastening substrate 201 are respectively bent back to extend at least one clamping plate 202 to fasten the substrate 201. Both side edges are bent forward to extend a fastening side plate 203. Specifically, the upper end edge and the lower end edge of the fastening substrate 201 are respectively bent back to extend two clamping plates 202 arranged in a lateral direction.

[0029]

Referring to the third to eleventh drawings, when the creative socket connector 100 is assembled, the two shielding plates 30 are respectively fixed on the lower surfaces of the two body portions 117 of the upper terminal module 10, and then the two lower terminals are The modules 20 are respectively fixed to the lower surface of the middle shield plate 30. Specifically, the two second base portions 21 are respectively fixed to the lower portion of the main body portion 117, and the front end faces of the second base portions 21 are respectively flush with the front end surface of a corresponding body portion 117, and the upper fastening portion 1171 and the lower portion are fixed. The base portion 31 of the middle shield plate 30 is disposed between the main body portion 117 and the second base portion 21, and each of the through holes 34 communicates with a corresponding positioning hole 212, and each of the fixing posts 1172 passes through a through hole 34. The front end edges of the two substrates 31 are flush with the front end faces of the corresponding body portions 117 and the second base portions 21, and the rear ends of the holding plates 32 and the elastic arms 33 are disposed on the upper fastening portion 1171 and Between the lower fastening portions 211, the front end of the holding plate 32 and the elastic arm 33 protrudes from the front surface of the upper fastening portion 1171 and the lower fastening portion 211, and each of the insertion legs 35 projects from the main body portion 117 and the second base portion 21. The back surface.

[0030]

Then, the two docking modules 40 are respectively fixed to the front portions of the upper terminal module 10, the middle shielding plate 30 and the lower terminal module 20, and the front ends of the two docking modules 40 respectively exceed the front surface of the fixing portion 111. Specifically, the upper fastening portion 1171 and the lower fastening portion 211 are disposed in the mounting recess 418. The retaining plate 32 of the middle shielding plate 30 and the front end of the elastic arm 33 are disposed in the receiving slot 417, and the two elastic arms 33 are respectively respectively The front end of each of the upper conductive terminals 12 is fixed in the upper terminal groove 4121 and the upper surface of the tongue plate 412 is exposed, and the front end of each lower conductive terminal 22 is fixed. The lower surface of the tongue 412 is exposed in the lower terminal groove 4122.

[0031]

Finally, the shield case 50 is wrapped around the upper terminal module 10, the lower terminal module 20, the middle shield plate 30, and the outer portions of the two docking modules 40. The two upper fastening pieces 512 are respectively fixed on the upper sides of the two adjacent sides of the two docking modules 40. The two lower fastening pieces 522 are not fixed on the lower sides of the two adjacent sides of the two docking modules 400, and the two side plate abutting portions 146 The fourth fixing hole 513 and the fifth fixing hole 523 are in contact with the first fixing hole 113, the second fixing hole 132, and the third fixing hole 142, respectively, against the outer side surfaces of the two lower fixing pieces 522.

[0032]

Referring to the first to third, twelfth and fourteenth views, preferably, the present socket connector assembly comprises three sockets of the upper socket connector 101, the middle socket connector 102 and the lower socket connector 103. Connector. The bottom plate 62 of the shield case 60 of the upper socket connector 101 is punched downwardly with two lower convex hulls 621, and the top plate 81 of the shield case 80 of the lower socket connector 103 is punched upwardly with at least two A convex 832.

[0033]

Referring to the first figure, the third figure to the fifth figure, the eighth figure, the twelfth picture to the fourteenth figure, when assembling the assembled socket connector, the socket connectors 100 are stacked up and down first. The spacer bumps 115 of the adjacent two-socket connector 100 abut each other. Specifically, the upper socket connector 101 is stacked on the middle socket connector 102. The spacing protrusions 115 on the lower surface of the fixing portion 111 of the upper socket connector 101 abut against the upper surface of the fixing portion 111 of the middle socket connector 102. On the block 115, the middle socket connector 102 is stacked on the lower socket connector 103. The spacing protrusions 115 on the lower surface of the fixing portion 111 of the middle socket connector 101 abut against the upper surface of the fixing portion 111 of the lower socket connector 102. The bumps 621 are respectively disposed on the top plate 71 of the shield case 70, so that the upper socket connector 101 and the middle socket connector 102 are kept stable, and the bottom plate 72 of the shield case 70 is shielded. Abutting against the convex shackle 811 on the shielding case 80 to keep the middle socket connector 102 and the lower socket connector 103 stable; then passing through the two fixing shafts 300 and fixing to the socket connectors respectively The fourth fixing hole 513 and the second fixing hole 132 on the 100 The fixing hole 113, the third fixing hole 142 and the fifth fixing hole 523 are disposed to restrict the front, rear, left and right movement of the socket connectors 100; and the fastening substrate 201 is further disposed at the fixing portion 111 of each socket connector 100. The front surface, the clamping plate 202 for fastening the upper edge of the substrate 201 is soldered to the top plate 61 of the shield case 60 of the socket connector 101 at the uppermost end, and the clamping plate 202 for fastening the lower edge of the substrate 201 is welded to the lowermost end. On the bottom plate 82 of the shield case 80 of the socket connector 103, the two fastening side plates 203 are respectively soldered to the upper fastening piece 512 and the lower fixing piece 522 of the socket connector 100, thereby limiting the socket connectors 100. The respective receptacle connectors 100 are fixed together up and down.

[0034]

Referring to the second figure, the creation socket connector assembly is inserted through the positioning post 112, the lower housing holding leg 148, the insertion leg 35, the plurality of holding legs 54, and the rear ends of the upper conductive terminals 12 and the lower conductive terminals 22, and Soldered on the circuit board.

[0035]

As described above, the original socket connector 100 is respectively fixed to the lower surfaces of the two body portions 117 of the first terminal module 10 by the two lower terminal modules 20, and the two shielding plates 30 are respectively fixed to the body portion 117 and Between the second base portions 21, the two docking modules 40 are respectively fixed to the front portions of the upper terminal module 10, the lower terminal module 20 and the two middle shielding plates 30. The socket connector 100 is easy to assemble and has two butt joints. The slot 411 can simultaneously be inserted into two plug connectors (not shown). The socket connector assembly of the present invention is formed by stacking a plurality of socket connectors 100, and the second fixing holes 513 and the second fixing holes 132 are respectively fixed and fixed on the socket connectors 100 by the two fixing shafts 300. The first fixing hole 113, the third fixing hole 142 and the fifth fixing hole 523 are arranged to restrict the front, rear, left and right movement of the socket connectors 100, and are welded to the socket connectors 100 by the fastening pieces 200. The housing 50 is shielded to limit the respective receptacle connectors 100 to each other to secure the receptacle connectors 100 together. The creation socket connector assembly fixes the plurality of socket connectors 100 one on top of the other, and only needs to be placed once when the socket connector assembly is soldered to the circuit board, and only needs to occupy one socket connection on the circuit board. The area of the device, thus, the socket connector assembly is convenient to assemble, occupying a small circuit board area, saving man-hours and improving production efficiency.

100‧‧‧ socket connector

111‧‧‧Fixed Department

513‧‧‧4th fixing hole

200‧‧‧ fastening piece

201‧‧‧ fastening substrate

202‧‧‧Clamping plate

203‧‧‧ fastening side panels

300‧‧‧Fixed shaft

Claims (25)

[Item 1] A socket connector combination comprising:
a plurality of socket connectors fixed in a stack on top of each other, each socket connector includes;
An upper terminal module includes an upper base portion having a fixing portion, and an upper portion of the rear portion of the left and right sides of the fixing portion protrudes outwardly from a first connecting portion, and both ends of the first connecting portion are connected with a body portion; The conductive terminals are respectively fixed in a body portion, and the rear ends of the upper conductive terminals protrude from the rear surface of the body portion, and the front ends of the upper conductive terminals are laterally arranged to protrude from the front surface of the body portion;
The two lower terminal modules are respectively fixed on the lower surface of a body portion, and each includes a second base portion respectively fixed on a lower surface of a body portion; a set of lower conductive terminals fixed in the second base portion, each under The rear end of the conductive terminal protrudes from the rear surface of the second base, and the front end of each lower conductive terminal is laterally arranged to protrude from the front surface of the second base; the two middle shield plates are respectively fixed to the body portion and the second base The front end of each of the shielding plates protrudes from the front surface of the body portion and the second base portion;
The two docking modules each include a pair of connecting portions, and the front surface of the mating portion defines a pair of connecting recesses inwardly, and a tongue plate protrudes forwardly from the rear wall of the mating recess, and the rear surface of the mating portion is opened forward. a receiving groove extending to the front of the tongue plate and extending through the left and right sides of the tongue plate. The rear surface of the abutting portion is open forwardly above the receiving groove with a plurality of upper terminal slots extending in a lateral direction to the front portion of the tongue plate surface, the abutting portion The rear surface of the rear surface is provided with a plurality of lower terminal slots extending laterally to the front surface of the lower surface of the tongue plate under the receiving groove; the two docking modules are respectively fixed to the upper terminal module, the middle shielding plate and the lower terminal The front end of the module, the front end of the middle shielding plate is disposed in the receiving slot, the front end of each upper conductive terminal is fixed in the upper terminal slot and the upper surface of the tongue plate is exposed, and the front end of each lower conductive terminal is fixed to the lower terminal The lower surface of the tongue is exposed in the groove;
A shielding shell is wrapped around the upper terminal module, the lower terminal module, the middle shielding plate and the outer portions of the two docking modules. [Item 2] The socket connector assembly of claim 1, wherein the lower portion of the front surface of the two body portions protrudes forwardly from an upper fastening portion perpendicular to the front surface of the body portion, the upper conductive portions. The front end of the terminal is laterally arranged to protrude from the front surface of the upper fastening portion; the upper portion of the front surface of the two second base portions protrudes forwardly from a lower fastening portion perpendicular to the front surface of the second base portion. The front ends of the lower conductive terminals are laterally arranged to protrude from the front surface of the lower fastening portion; the two middle shielding plates each have a substrate, and the central portion of the front end edge of the substrate protrudes forwardly from the side and the front end a vertical holding plate, a front end edge of the substrate protrudes forwardly from a resilient arm on both sides of the holding plate; the substrate is disposed between the body portion and the second base, the upper fastening portion and the lower fastening portion Correspondingly, the rear end of the holding plate and the elastic arm is disposed between the upper fastening portion and the lower fastening portion, and the front end of the holding plate and the elastic arm protrudes from the front surface of the upper fastening portion and the lower fastening portion; The rear surface of the portion is provided with a mounting groove, the receiving slot, the plurality of upper terminal slots, And the plurality of terminal slots are opened forward from the front wall of the mounting groove; the upper fastening portion and the lower fastening portion are locked in the mounting groove, and the front end of the holding plate and the elastic arm are disposed in the receiving In the slot, the two elastic arms also extend into the butt groove from the left and right sides of the tongue plate. [Item 3] The socket connector assembly of claim 2, wherein the two body portions are symmetrical to each other, and the front surfaces of the two body portions are inclined surfaces that are inclined outwardly from the outside; the two base portions are symmetrical to each other. The front surface of the two base portions is an inclined surface inclined to one side, and the front end surfaces of the second base portion are respectively flush with the front end surface of a corresponding body portion; the front end edges of the two substrates are inclined surfaces inclined to one side. The front end edges of the substrate are flush with the front end faces of the corresponding body portions and the second base portions, respectively. [Item 4] The socket connector assembly of claim 2, wherein a front portion of the upper surface of the abutting portion opens inwardly with a V-shaped first notch, and a front portion of the lower surface of the abutting portion opens inwardly at a V a second notch, the first notch and the second notch are respectively communicated with the butt groove; the upper surface of the abutting portion defines an upper notch communicating with the first notch, and the lower surface of the abutting portion Opening a lower vacant slot communicating with the second vacant slot; the docking module further includes an upper holding plate and a lower holding plate, wherein the upper holding plate has an upper holding substrate, and the front end of the upper holding substrate The edge connection has at least one upper elastic portion that is bent forward and downward and then bent forward and extended upward and then bent upward; the lower holding plate has a lower holding substrate, and the front portion of the lower holding substrate is opened. a notch, the lower holding substrate is connected to the rear wall of the notch with at least one second connecting portion which is firstly extended forwardly and then bent forward and then extended forward, and the end edge of the second connecting portion is connected with a forward direction The front upper side is bent and extended, and then bent forward and downward to extend the end and then bend downward. The upper holding substrate is disposed in the upper notch, the upper elastic portion is disposed in the first notch; the lower holding substrate is disposed on the lower surface of the abutting portion, and the second connecting portion is disposed In the lower missing slot, the lower resilient portion is received in the second missing slot. [Item 5] The socket connector assembly of claim 4, wherein the abutting portion further comprises a guiding plate, the guiding plate has a guiding substrate, and the left and right edges of the guiding substrate are bent downward Extending out a guiding side plate, a front slot of the guiding substrate defines a slot, and the rear wall of the slot protrudes forwardly to a front stop extending forwardly and then extending downwardly and downwardly; the guiding substrate Fixed on the upper surface of the upper holding substrate, the guiding side plates are respectively attached to the upper portions of the left and right sides of the abutting portion, the stopping piece is disposed on the top surface of the rear end of the elastic portion; the left and right sides of the lower holding substrate The front side edges of the holding side plates extend forward and extend beyond the front end edge of the lower holding substrate, and the two holding side plates are respectively fixed on the left and right sides of the abutting portion, and the two holding side plates are respectively bent. The upper portions of the side surfaces are respectively in contact with the outer side surfaces of the guide side plates. [Item 6] The socket connector assembly of claim 5, wherein the docking portion further comprises two grounding legs, the two grounding legs are symmetrical with each other, and each has a holding base, and the front end edge of the holding base is connected to the front and the front. The elastically extending portion extending outwardly and backwardly and extending backward and finally extending backwards; the two holding base portions are respectively fixed on two sides of the abutting portion, and the two elastic contact portions respectively extend from the left and right sides of the abutting portion into the butt joint Inside the groove. [Item 7] The socket connector assembly of claim 6, wherein the central portion of the left and right sides of the abutting portion defines a retaining slot extending inwardly and forwardly, and a central portion of the retaining slot is inwardly opened and docked. The two supporting bases are respectively fixed in a retaining slot, and the two elastic contact portions respectively extend from the two openings into the mating recess. [Item 8] The socket connector assembly of claim 6, wherein the outer edges of the two holding bases are bent downward to extend a soldering piece, and the two soldering pieces are respectively attached to the left and right sides of the butting portion; The middle portions of the inner side surfaces of the two holding side plates abut against the outer side surfaces of the solder tabs, respectively. [Item 9] The socket connector assembly of claim 1, wherein the upper terminal module further comprises an upper casing, the upper casing has an upper casing substrate, and a front end edge of the upper casing substrate is bent downwardly An upper outer casing front plate, both side edges of the upper outer casing substrate are bent downward to extend an upper outer casing side plate, and the rear portions of the upper outer casing side plates are provided with an upper casing notch, and the top walls of the upper outer casing notches are downwardly a plurality of upper housing pins arranged in a front-rear direction; the first connecting portions are provided with a plurality of connecting portion insertion holes extending through the upper surface and the lower surface of the first connecting portion; the two body portions The upper surface of the fixing portion and the upper surface of the first connecting portion are respectively formed with a first slot; the upper housing substrate is disposed on the fixing portion. The upper outer casing front plate is disposed on the upper portion of the front surface of the fixing portion, and the upper outer casing side plates are respectively attached to the upper portions of the left and right sides of the fixing portion, and the lower portions of the rear portions of the upper outer casing side plates extend into the first slot, the first connecting portion Upper part The upper outer casing pins are respectively inserted into a connecting portion insertion hole in the upper casing notch. [Item 10] The socket connector assembly of claim 9, wherein the upper terminal module further comprises a lower outer casing, the lower outer casing has a lower outer casing substrate, and a front end edge of the lower outer casing substrate is connected with an upwardly bent downward extension The front side plate of the outer casing and the two side edges of the lower outer casing are bent upward to extend out of the side plate of the outer casing, and a limiting groove is defined in the middle of the outer side plate of the outer casing; the lower surfaces of the two main parts are beyond the two first connecting portions. a second slot is formed between the fixing portion and the lower surfaces of the two body portions and the first connecting portions; the lower housing substrate is disposed on the lower surface of the fixing portion, and the lower housing is provided on the front panel In the lower part of the front surface of the fixing portion, the two lower side panels are respectively attached to the lower left and right sides of the fixing portion, and the upper ends of the two lower housing side plates extend into the second slot, and the lower portion of the first connecting portion is locked in the limiting slot. The inner side surfaces of the upper end sides of the two outer casings are respectively attached to the outer side surfaces of the lower ends of the upper outer side panels. [Item 11] The socket connector assembly of claim 10, wherein the shielding shell is surrounded by a bottom plate, a top plate and two side plates; a top plate is punched in the middle of the top plate, and two of the top plate are notched. The side edges are bent downwardly to extend an upper fastening piece, and a bottom plate is notched at a gap corresponding to the top plate in the middle of the bottom plate, and both side edges of the notch of the bottom plate are bent upward to extend a locking piece; The front part of the lower side panel of the outer casing is outwardly punched out with a side plate elastic abutting portion; the shielding shell is wrapped around the upper terminal module, the lower terminal module, the middle shielding plate and the two docking modules, and the upper card The solid pieces are respectively fixed on the upper sides of the two adjacent sides of the two docking modules, and the two lower securing pieces are fixed on the lower sides of the adjacent two sides of the two docking modules, and the elastic portions of the two side plates are respectively abutted against the two sides. The outer side of the card. [Item 12] The socket connector assembly of claim 11, further comprising a fastening piece having a longitudinally extending fastening substrate, the upper end edge and the lower end edge of the fastening substrate being respectively bent backward Extending out at least one clamping plate, both side edges of the fastening substrate are bent forward to extend a fastening side plate; the fastening substrate is disposed on a front surface of the fixing portion of each socket connector, and fastens the upper end of the substrate The clamping plate of the edge is welded to the top plate of the shielding case of the uppermost socket connector, and the clamping plate of the lower end edge of the fastening substrate is welded to the bottom plate of the shielding case of the lowermost socket connector, the two fastening side plates Soldering on each of the upper and lower fastening sheets, respectively. [Item 13] The socket connector assembly of claim 11, further comprising two fixing shafts; the upper surface of the fixing portion is provided with two first fixing holes arranged in front and rear through the lower surface of the fixing portion, Two second fixing holes are arranged on the outer casing, and two second fixing holes are arranged in the front and rear. The top plate is provided with two fourth fixing holes arranged in front and rear. A fifth fixing hole is defined in each of the fourth fixing holes on the bottom plate; the fourth fixing hole and the fifth fixing hole respectively communicate with the first fixing hole, the second fixing hole and the third fixing hole respectively. The fixed shafts are respectively passed through and fixed in the fourth fixing holes, the second fixing holes, the first fixing holes, the third fixing holes and the fifth fixing holes. [Item 14] The socket connector assembly of claim 11, wherein the plurality of socket connectors comprise an upper socket connector, a middle socket connector and a lower socket connector, and the upper surface and the lower surface of the fixing portion of each socket connector a rear protruding portion protrudes from a spacer; the bottom plate of the shield housing of the upper socket connector is punched downwardly with two lower convex hulls, and the top plate of the shield housing of the lower socket connector is rushed upward Having at least two upper convex hulls; the spaced apart bumps of the adjacent two socket connectors abut each other, and the convex hulls of the upper socket connector respectively abut against the top plate of the middle socket connector, wherein The bottom plate of the socket connector abuts against the convex hull on the lower socket connector. [Item 15] A socket connector comprising:
An upper terminal module further comprising;
An upper portion has a fixing portion, and an upper portion of the rear portion of the left and right sides of the fixing portion protrudes outwardly from the first connecting portion, and the ends of the two connecting portions are connected with a body portion;
The two sets of upper conductive terminals are respectively fixed in a body portion, and the rear ends of the upper conductive terminals protrude from the rear surface of the body portion, and the front ends of the upper conductive terminals are laterally arranged to protrude from the front surface of the body portion;
The two lower terminal modules are respectively fixed on the lower surface of a body portion, and are all included;
a second base portion is respectively fixed on a lower surface of a body portion;
a set of lower conductive terminals fixed in the second base, the rear ends of the lower conductive terminals projecting from the rear surface of the second base, and the front ends of the lower conductive terminals are laterally arranged to protrude from the front surface of the second base;
The shielding plates are respectively fixed between the main body portion and the second base portion, and the front ends of the middle shielding plates protrude from the front surface of the main body portion and the second base portion;
The two docking modules each include a pair of connecting portions, and the front surface of the mating portion defines a pair of connecting recesses inwardly, and a tongue plate protrudes forwardly from the rear wall of the mating recess, and the rear surface of the mating portion is opened forward. a receiving groove extending to the front of the tongue plate and extending through the left and right sides of the tongue plate. The rear surface of the abutting portion is open forwardly above the receiving groove with a plurality of upper terminal slots extending in a lateral direction to the front portion of the tongue plate surface, the abutting portion The rear surface of the rear surface is provided with a plurality of lower terminal slots extending laterally to the front surface of the lower surface of the tongue plate under the receiving groove; the two docking modules are respectively fixed to the upper terminal module, the middle shielding plate and the lower terminal The front end of the module, the front end of the middle shielding plate is disposed in the receiving slot, the front end of each upper conductive terminal is fixed in the upper terminal slot and the upper surface of the tongue plate is exposed, and the front end of each lower conductive terminal is fixed to the lower terminal The lower surface of the tongue is exposed in the groove;
A shielding shell is wrapped around the upper terminal module, the lower terminal module, the middle shielding plate and the outer portions of the two docking modules. [Item 16] The socket connector of claim 15, wherein the lower portion of the front surface of the two body portions protrudes forwardly from an upper fastening portion perpendicular to the front surface of the body portion, and the upper conductive terminals The front end of the front end of the front surface of the second base portion protrudes forwardly from a lower portion of the front surface of the second base portion. The front ends of the lower conductive terminals are laterally arranged to protrude from the front surface of the lower fastening portion; the two middle shielding plates each have a substrate, and the central portion of the front end edge of the substrate protrudes forwardly from one side and the front edge a vertical holding plate, the front end edge of the substrate protrudes forwardly from the two sides of the holding plate; the substrate is disposed between the body portion and the second base portion, and the upper fastening portion and the lower fastening portion correspond to The front end of the holding plate and the elastic arm is disposed between the upper fastening portion and the lower fastening portion, and the front end of the holding plate and the elastic arm protrudes from the front surface of the upper fastening portion and the lower fastening portion; the butt portion a rear surface of the rear surface is provided with a mounting groove, the receiving groove, a plurality of upper terminal slots, and The terminal groove is opened forward from the front wall of the mounting groove; the upper fastening portion and the lower fastening portion are locked in the mounting groove, and the front end of the holding plate and the elastic arm are disposed in the receiving groove Inside, the two elastic arms also extend into the butt groove from the left and right sides of the tongue plate. [Item 17] The socket connector of claim 16, wherein the two body portions are symmetrical with each other, and the front surfaces of the two body portions are inclined surfaces inclined outwardly and rearward; the two second base portions are symmetrical with each other, and the second portions are The front surface of the base portion is an inclined surface inclined to one side, and the front end surface of the second base portion is respectively flush with the front end surface of a corresponding body portion; the front end edges of the two substrates are inclined surfaces inclined to one side. The front end edges of the substrate are flush with the corresponding body portions and the front end faces of the second base portions, respectively. [Item 18] The socket connector of claim 16, wherein the front portion of the upper surface of the abutting portion defines a V-shaped first notch inwardly, and the front portion of the lower surface of the abutting portion opens inwardly in a V shape. The second notch, the first notch and the second notch are respectively communicated with the mating groove; the upper surface of the abutting portion defines an upper notch communicating with the first notch, and the lower surface of the abutting portion is opened a lower notch communicating with the second missing slot; the docking module further includes an upper holding plate and a lower holding plate, the upper holding plate has an upper holding substrate, and the front edge of the upper holding substrate The upper elastic portion is bent and extended to extend forward and downward, and then bent upward and finally extended upward; the lower holding plate has a lower holding substrate, and the front portion of the lower holding substrate is opened. a second connecting portion that is firstly forwardly extended and then bent forward and then extended forwardly is connected to the rear wall of the notch, and the end edge of the second connecting portion is connected first forward. The upper bend is extended and then bent forward and downward to extend the end and then bend downward to extend The upper holding substrate is disposed in the upper cutout, the upper elastic portion is disposed in the first cutout; the lower holding substrate is disposed on the lower surface of the abutting portion, and the second connecting portion is disposed on In the lower missing slot, the lower resilient portion is received in the second missing slot. [Item 19] The socket connector of claim 18, wherein the abutting portion further comprises a guiding plate, the guiding plate has a guiding substrate, and the left and right edges of the guiding substrate are bent downward Extending out a guiding side plate, a front slot of the guiding substrate defines a slot, and the rear wall of the slot protrudes forwardly to a front stop extending forwardly and then extending downwardly and downwardly; the guiding substrate is fixed The upper side surface of the upper holding substrate is disposed on the upper part of the left and right side surfaces of the abutting portion, the stopping piece is disposed on the top surface of the rear end of the elastic portion, and the left and right sides of the lower holding substrate are respectively The front side edge of the clamping side plate extends forwardly beyond the front end edge of the lower holding substrate, and the two clamping side plates are respectively fixed on the left and right sides of the abutting portion, and the inner side surfaces of the two side plates are respectively bent. The upper portions respectively abut against the outer side surfaces of the guide side plates. [Item 20] The socket connector of claim 19, wherein the abutting portion further comprises two grounding legs, the two grounding legs are symmetrical with each other, and each has a holding base, and the front end edge of the holding base is connected with a forward and outward direction. An elastic contact portion extending inwardly and backwardly and extending backward and finally extending backward; the two holding base portions are respectively fixed on two sides of the abutting portion, and the two elastic contact portions respectively extend from the left and right sides of the abutting portion into the butt concave portion Inside the slot. [Item 21] The socket connector of claim 20, wherein the central portion of the left and right sides of the abutting portion defines a retaining slot extending inwardly and forwardly, and a central portion of the retaining slot opens inwardly and abutting concavely. The two supporting bases are respectively fixed in a retaining slot, and the two elastic contact portions respectively extend from the two openings into the mating recess. [Item 22] The socket connector of claim 20, wherein the outer edges of the two holding bases are bent downward to extend a soldering piece, and the two soldering pieces are respectively attached to the left and right sides of the abutting portion; The middle portions of the inner side surfaces of the two holding side plates abut against the outer side surfaces of the solder tabs, respectively. [Item 23] The socket connector of claim 15, wherein the upper terminal module further comprises an upper casing, the upper casing has an upper casing substrate, and a front end edge of the upper casing substrate is connected to be bent downwardly. The upper outer casing front plate, both side edges of the upper outer casing substrate are bent downward to extend an upper outer casing side plate, and the rear portions of the upper outer casing side plates are provided with an upper casing notch, and the top walls of the two upper casing notches are downwardly convex. Extending a plurality of upper housing pins arranged in a front-rear direction; the first connecting portions are provided with a plurality of connecting portion insertion holes extending through the upper surface and the lower surface of the first connecting portion; the two body portions The upper surface is beyond the upper surface of the fixing portion, so that a first slot is formed between the fixing portion and the upper surfaces of the two body portions and the first connecting portions; the upper housing substrate is disposed on the upper surface of the fixing portion. The upper outer casing front plate is disposed on an upper portion of the front surface of the fixing portion, and the upper outer casing side plates are respectively attached to the upper portions of the left and right sides of the fixing portion, and the lower portions of the rear portions of the upper outer casing side plates extend into the first slot, the first connecting portion Upper part is set at The gap within the housing, the housing pins are each inserted in a connecting portion insertion hole. [Item 24] The socket connector of claim 23, wherein the upper terminal module further comprises a lower outer casing, the lower outer casing has a lower outer casing substrate, and a front outer edge of the lower outer casing substrate is connected with a lower outer casing extending upwardly The front plate and the two sides of the lower outer casing are bent upward to extend out of the outer side panel, and a central limiting slot is defined in the middle of the outer outer side panel; the lower surfaces of the two main portions are beyond the two first connecting portions a second surface is formed between the fixing portion and the lower surfaces of the two body portions and the first connecting portions; the lower housing substrate is disposed on the lower surface of the fixing portion, and the lower housing front plate is disposed on the lower surface a lower part of the front surface of the fixing portion, the two lower side plates are respectively attached to the lower left and right sides of the fixing portion, and the upper ends of the two lower side plates extend into the second slot, and the lower portion of the first connecting portion is locked in the limiting slot The inner sides of the upper end sides of the two outer casings are respectively attached to the outer sides of the lower ends of the upper outer side panels. [Item 25] The socket connector of claim 24, wherein the shielding shell is surrounded by a bottom plate, a top plate and two side plates; a top plate is punched in the middle of the top plate, and both sides of the top plate are notched. The edge of the bottom plate is bent downwardly to extend an upper fastening piece, and a bottom plate is notched at a gap corresponding to the top plate, and both sides of the notch of the bottom plate are bent upward to extend out of the fastening piece; The front part of the side panel of the outer casing is outwardly punched out with a side plate elastic abutting portion; the shielding shell is covered on the outer part of the upper terminal module, the lower terminal module, the middle shielding plate and the two docking modules, and the two are fixed The pieces are respectively fixed on the upper sides of the two adjacent sides of the two docking modules, and the two lower securing pieces are fixed on the lower sides of the adjacent two sides of the two docking modules, and the two side plate abutting portions respectively abut the two lower cards The outer side of the solid piece.