CN204517003U - plug connector - Google Patents

Abstract

The utility model discloses a plug connector, including a terminal module, an upper end submodule piece, in one fixing board, a tongue board group and one shield the casing. The lower end sub-module comprises a lower insulator and a plurality of lower conductive terminals; the upper end submodule is arranged on the lower end submodule and comprises an upper insulator and a plurality of upper conductive terminals; the middle fixing plate is arranged between the lower end sub-module and the upper end sub-module; the tongue plate set comprises a tongue plate body, a lower shell and an upper shell, wherein the rear part of the tongue plate body is provided with an installation notch, and the lower insulator and the upper insulator are fixedly arranged in the installation notch; the shielding shell comprises a front shell, an upper shell and a lower shell; the front shell is sleeved outside the tongue plate body, the upper end sub-module and the lower end sub-module, the lower shell is fixedly arranged at the rear part of the front shell, and the upper shell is fixedly arranged at the rear part of the front shell and is mutually buckled with the lower shell. The utility model discloses plug connector positive and negative can all insert the use, and the equipment is convenient, the structure is strong, signal of telecommunication transmission high quality.

Description

plug connector

technical field

The utility model relates to a connector, in particular to a plug connector.

Background technique

In order to unify the connectors of different devices to improve the versatility of the connector, the Universal Serial Bus (USB) connector is currently the most common connection interface for calculators, and the USB connector is an external device that supports plug and play. Bus, the USB connector can be used to connect a variety of peripheral devices, including speakers, phones, joysticks, printers, scanners, and cameras, among others. With the popularization of USB connectors, USB connectors have been widely used in charging and data transmission fields.

With the development of the electronics industry, the existing USB2.0 plug connector needs to be inserted into the front and back sides, and the shortcomings of the low transmission rate are gradually emerging. In addition, the existing USB2.0 plug connector is too large to realize Miniaturization of electronic products. In order to make the front and back sides of the USB plug connector can be plugged in, it is common practice to add a set of corresponding conductive terminals on the other surface of the mating tongue plate of the USB plug connector. In order to increase the transmission rate of the USB plug connector, it is common practice to increase the number of conductive terminals. Reducing the size of the plug connector and increasing the number of conductive terminals will cause a series of problems, such as poor holding force when mating with the mating socket connector, poor strength of the plug connector, and easy Damage; it is inconvenient to form and assemble between the conductive terminal and the insulating body of the plug connector and the butt tongue plate; signal interference between the upper and lower sets of conductive terminals will affect the quality of electrical signal transmission.

Therefore, it is necessary to provide a plug connector with good clamping force when mated with the docking socket connector, both front and back sides can be inserted for use, convenient assembly, strong structure, and high-quality electrical signal transmission, so as to facilitate the use of users.

Utility model content

The purpose of this utility model is to provide a plug connector with good clamping force, both front and back sides can be inserted and used, convenient assembly, strong structure, and high electrical signal transmission quality for the defects and shortcomings of the existing technology. use.

In order to achieve the above object, the utility model provides a plug connector, which includes a lower terminal module, an upper terminal module, a middle holding plate, a tongue plate group and a shielding housing; the lower terminal module further includes a lower insulator and several lower Conductive terminals, a number of lower conductive terminals are integrally formed on the lower insulator, and the front ends of each lower conductive terminal are horizontally arranged and protrude from the front surface of the lower insulator; the upper terminal module is installed on the lower terminal module, further comprising an upper insulator and Several upper conductive terminals are integrally formed on the upper insulator, and the front ends of each upper conductive terminal are horizontally arranged and protrude from the front surface of the upper insulator; the middle holding plate is installed between the lower terminal module and the upper terminal module The tongue plate group includes a tongue plate body, a lower shell and an upper shell which are respectively fixed on the upper surface and the lower surface of the tongue plate body; The rear part is provided with a mounting slot that penetrates up and down and through the rear surface of the tongue plate body. The front wall of the mounting slot is inwardly provided with a set of upper terminal slots that extend to the top wall of the insertion hole in a horizontal arrangement and a set of horizontally arranged The lower terminal slot extending to the bottom wall of the insertion hole, the lower insulator and the upper insulator are fixed in the installation slot, and the front ends of the lower conductive terminals and the front ends of the upper conductive terminals are respectively accommodated in the lower terminal slot and the upper terminal slot and extend into the insertion hole from the bottom wall and the top wall of the insertion hole respectively; the shielding shell includes a front shell, an upper shell and a lower shell; the front shell is sleeved on the tongue body and the exterior of the upper terminal module and the lower terminal module, the inner surfaces of which are in contact with the lower housing and the upper housing respectively, the lower housing is fixed at the rear of the front housing, and the upper housing is also fixed at the rear of the front housing and Interlock with the lower shell.

As a further improvement, the front housing is in the shape of a hollow runway, the front housing has a bottom plate and a top plate, the two side edges of the bottom plate and the top plate are respectively connected with an arc-shaped connecting portion, and the rear end edge of the bottom plate At least one first welding portion is bent downwards and extended, and at least one second welding portion is bent upwards from the rear end edge of the top plate; the lower shell has a lower shell base plate in the shape of a rectangular plate, and the lower shell The middle part of the front edge of the shell substrate is connected with a lower support plate that is bent upwards and extended, and the front edge of the lower support plate is bent forward to extend a welding piece; the upper shell has an upper shell substrate, and the front edge of the upper shell substrate is The middle part of the upper support plate is connected with an upper support plate bent downward, and the front edge of the upper support plate is bent forward to extend an upper welding piece; the lower welding piece is welded to the lower surface of the bottom plate, and the first welding part is welded to the lower The inner surface of the support plate, the upper welding piece is welded to the upper surface of the top plate, and the second welding part is welded to the inner surface of the upper support plate.

As a further improvement, the left and right side edges of the lower housing base plate are bent upwards to extend the lower housing side plates, and the middle of the two lower housing side plates is provided with a lower housing slot, and the front parts of the two lower housing side plates and The rear part is provided with at least one holding hole; the left and right side edges of the upper shell substrate are bent downwards to extend an upper shell side plate, and an upper shell slot is opened in the middle of the two upper shell side plates, and the two upper shell side plates The lower edge of the shell gap is connected with a fastening plate that is bent outwards and then downwards, and at least one buckle is provided on the front and rear of the two upper shell side plates; The side panels of the lower housing and the side panels of the upper housing are attached to each other, each buckle is respectively clamped in a corresponding holding hole, and each clamping plate is respectively clamped in a corresponding slot of the lower housing.

As a further improvement, both sides of the front edge of the lower housing are connected with an arc-shaped lower closing plate located at the junction of the lower housing base plate and the two lower housing side plates; both sides of the front edge of the upper housing are connected with a The arc-shaped upper sealing plate is located at the connection between the upper shell base plate and the two upper shell side plates; the two lower closing plates are arranged on both sides of the rear part of the lower surface of the bottom plate, and the two upper sealing plates are arranged on both sides of the rear part of the upper surface of the top plate .

As a further improvement, the front parts of the left and right sides of the tongue body are provided with a spring arm slot that runs through the rear surface of the tongue body, and the front ends of the inner side walls of the two spring arm slots are respectively provided with a socket hole. Connected hook receiving holes, the rear ends of the inner side walls of the slots of the two elastic arms are respectively provided with an extension plate receiving groove inwardly connected with the installation slot; the middle holding plate has a holding base plate, holding the left and right side edges of the base plate The middle part of each protrudes outwards with an extension plate, and the front edges of the two extension plates extend forward a long elastic arm. The ends of the arms protrude respectively with a hook; the front surfaces of the lower insulator and the upper insulator are against the front wall of the installation slot, and the two extension plates respectively protrude from the two side surfaces of the lower insulator and the upper insulator. They are respectively accommodated in a receiving groove of an extension plate, and the two elastic arms are correspondingly accommodated in a slot of the elastic arm respectively, and the two hooks respectively pass through the hook accommodation holes and extend into the insertion holes.

As a further improvement, the insertion hole consists of a front insertion hole opened inward from the middle of the front surface of the tongue plate body and a rear hole smaller than the front insertion hole that continues inward from the rear wall of the front insertion hole. The socket holes are combined; the lower terminal slots extend to the bottom wall of the rear socket hole, and the upper terminal grooves extend to the top wall of the rear socket hole; each of the lower conductive terminals has a lower holding plate , the rear end edge of the lower holding plate extends back a welding portion, and the front edge of the lower holding plate is connected with a lower contact portion that first extends forward, then bends upward, and finally bends downward; each of the upper conductive The terminals are respectively symmetrical to a corresponding lower conductive terminal, and each upper conductive terminal also has an upper holding plate, an upper welding portion and an upper contact portion; the lower holding plates are fixed in the lower insulator, and each The lower contact parts protrude from the front surface of the lower insulator in a horizontal arrangement and are respectively accommodated in the lower terminal grooves. The board is fixed in the upper insulator, and each upper contact part protrudes from the front surface of the upper insulator in a horizontal arrangement and is respectively accommodated in an upper terminal groove. into the rear socket.

As a further improvement, the rear end edge of one of the two extension plates is connected with a lower holding foot that is first bent downward and then bent backward, and the rear end edge of the other extension plate is connected with a first upward The upper holding feet that are bent and extended and then bent and extended backwards; the upper surfaces of the ends of the lower holding feet are flush with the upper surfaces of the lower welding parts, and the lower surfaces of the ends of the upper holding feet are aligned with the upper welding parts lower surface is even.

As a further improvement, the lower surface of the tongue body is provided with a lower installation groove, and the left and right sides of the top wall of the lower installation groove are upwardly provided with a lower insertion groove, and the upper surface of the tongue body corresponds to the lower installation groove. There is an upper installation groove symmetrical to the lower installation groove at the groove, and an upper insertion groove is opened downward on the left and right sides of the rear part of the bottom wall of the upper installation groove; the lower shell has a lower shell substrate, and the lower shell A rectangular lower through-hole is opened on both sides of the rear part of the top surface of the substrate. The rear wall of the lower through-hole is connected with a number of lower grounding feet that are arranged in a horizontal direction and extend forward and downward first, and then extend forward. The left and right sides of the lower shell substrate The rear ends of both sides first extend outwards and then bend upwards to extend out a fastening part; the upper shell and the lower shell are symmetrical to each other, and the upper shell correspondingly has an upper shell base plate, two upper through holes, several The upper ground pin; the lower shell substrate is fixed in the lower installation groove, and the two lower clamping parts are correspondingly fixed in the lower insertion groove, and the upper shell substrate is fixed in the upper installation groove. The upper clamping parts are correspondingly clamped in an upper insertion slot; the plurality of lower grounding legs and the plurality of upper grounding legs respectively abut against the inner surface of the front housing.

As a further improvement, the lower surface and the upper surface of the tongue body correspond to the front ends of the lower mounting groove and the upper mounting groove respectively to provide a lower through hole and an upper through hole penetrating into the front insertion hole. The front walls of the through hole and the upper through hole are provided with a plurality of lower baffles and a plurality of upper baffles correspondingly at intervals; the front edge of the lower shell substrate is connected with a number of horizontally arranged first extending forward and then extending toward the front wall. The lower elastic piece is bent and extended from the upper front to the lower side; the front edge of the upper shell substrate is connected to a number of upper elastic pieces symmetrical to the lower elastic piece in a horizontal arrangement at intervals; each lower elastic piece is respectively accommodated in the lower In the through hole, the front ends of the lower shrapnels are correspondingly arranged between the two lower partitions and extend into the front insertion hole from the bottom wall of the front insertion hole; each upper shrapnel is respectively accommodated in the upper through hole, and each upper shrapnel The front ends of the front ends are correspondingly arranged between the two upper partitions and extend into the front insertion hole from the top wall of the front insertion hole.

As a further improvement, a lower accommodating hole penetrating up and down is provided in the middle of the top front of the lower housing base plate, and the front wall of the lower accommodating hole corresponding to each lower shrapnel is connected with a The lower elastic sheet that is bent and extended in front; the upper shell substrate is correspondingly provided with an upper accommodating hole and connected with several upper elastic sheets that are symmetrical to the lower elastic sheet; the top wall of the lower installation groove and the upper installation The bottom wall of the groove is respectively provided with a group of openings which are arranged horizontally and communicated with the lower terminal groove and the upper terminal groove; The top wall of the groove and the bottom wall of the upper mounting groove are located in the lower through hole and the upper through hole, and the two shields cover the openings in the lower through hole and the upper through hole.

As mentioned above, the plug connector of the utility model is integrally formed on the lower insulator through a plurality of lower conductive terminals, and a plurality of upper conductive terminals are integrally formed on the upper insulator, and the middle holding plate is installed between the lower terminal module and the upper terminal module. Both the insulator and the upper insulator are fixed in the installation slot, the lower shell and the upper shell are respectively fixed on the upper surface and the lower surface of the tongue body, and the front shell is sleeved on the tongue body, the upper terminal module and the lower terminal Outside the module, the inner surface of the front case abuts against the lower case and the upper case respectively, the lower case is fixed at the rear of the front case, and the upper case is also fixed at the rear of the front case and mutually connected with the lower case Buckle, when the plug connector is mated with the docking socket connector, the holding force is good and the front and back sides can be inserted for use. It is easy to assemble, has a strong structure, high-quality electrical signal transmission, and is convenient for users to use.

Description of drawings

Fig. 1 is a perspective view of an embodiment of the plug connector of the present invention.

FIG. 2 is a three-dimensional exploded view of an exploded state of the plug connector shown in FIG. 1 .

FIG. 3 is a three-dimensional exploded view of another exploded state of the plug connector shown in FIG. 1 .

FIG. 4 is a three-dimensional exploded view from another angle of another exploded state of the plug connector shown in FIG. 3 .

Fig. 5 is a perspective view of the tongue plate body of the plug connector of the present invention.

FIG. 6 is a perspective view of another angle of the tongue plate body of the plug connector of the present invention.

Fig. 7 is a VII-VII sectional view of the tongue plate body shown in Fig. 5 .

Each reference numeral in the figure is explained as follows.

Plug Connector 100 Lower Terminal Block 10

Lower insulator 11 Lower slot 111

Lower buckle bump 112 Lower positioning groove 113

Lower fixing post 114 Lower conductive terminal 12

Lower holding plate 121 Lower welding part 122

Lower contact part 123 Upper terminal block 20

Upper insulator 21 Upper missing slot 211

Upper buckle bump 212 Upper positioning groove 213

Upper fixing post 214 Upper conductive terminal 22

Upper holding plate 221 Upper welding part 222

Upper contact part 223 Middle holding plate 30

Holding Base 31 Extension Board 32

Elastic Arm 33 Hook 34

Lower holding foot 35 Upper holding foot 36

Holding hole 37 Tongue plate set 40

Tongue plate body 41 Socket hole 411

Front socket 4111 Rear socket 4112

Missing slot for installation 412 Holder groove 4121

Elastic Arm Slot 413 Hook Receiving Hole 4131

Receiving slot for extension plate 4132 1st stop block 414

Second stopper 415 Lower terminal slot 416

Upper terminal slot 417 Lower mounting groove 418

Lower socket slot 4181 Upper mounting groove 419

Upper socket 4191 Opening hole 4192

Lower through hole 4193 Upper through hole 4194

Lower partition 4195 Upper partition 4196

Lower shell 42 Lower shell substrate 421

Bottom via hole 422 Bottom ground pin 423

Lower clamping part 424 Lower accommodation hole 425

Lower spring 426 Lower spring 427

Upper case 43 Upper case substrate 431

Upper Via 432 Upper Ground Pin 433

Upper clamping part 434 Upper accommodating hole 435

Upper spring 436 Upper spring 437

Shroud 44 Shroud Housing 50

Front housing 51 Bottom plate 511

Top plate 512 Connection part 513

First Welding Tab 514 Second Welding Tab 515

Lower housing 52 Lower housing substrate 521

Side plate of the lower shell 522 The slot of the lower shell is missing 523

Holding hole 524 Lower closing plate 525

Lower support plate 526 Lower welding piece 527

Upper housing 53 Upper housing substrate 531

Side plate of the upper shell 532 The upper shell lacks a slot 533

Clamping plate 534 Buckle 535

Upper support plate 536 Upper welding piece 537

Upper closure plate 538.

Detailed ways

In order to describe the technical content, structural features, achieved purpose and effect of the present utility model in detail, the following will be described in detail in combination with specific embodiments and accompanying drawings.

Please refer to Fig. 1 to Fig. 4, the utility model plug connector 100 is used for plugging with a mating socket connector (not shown in the figure), and includes a lower terminal module 10, an upper terminal module 20, a middle holding plate 30, a Tongue plate group 40 and a shielding shell 50 .

Referring to FIGS. 2 to 4 , the lower terminal module 10 includes a lower insulator 11 and a plurality of lower conductive terminals 12 . The front parts of the left and right sides of the lower insulator 11 are provided with a lower notch 111 , and the lower parts of the front ends of the side walls of the two lower notches 111 are respectively protruded outwards with a lower buckle protrusion 112 . At least one positioning groove 113 is defined on the upper surface of the lower insulator 11 , and at least one fixing post 114 is protruded from the upper surface of the lower insulator 11 .

Each of the lower conductive terminals 12 has a lower holding plate 121, the rear end edge of the lower holding plate 121 extends backward to a welding portion 122, and the front edge of the lower holding plate 121 is connected with a first extending forward, then bending upward and extending finally. Then the extended lower contact portion 123 is bent downward.

Please continue to refer to FIGS. 2 to 4 , the upper terminal module 20 is symmetrical to the lower terminal module 10 , and includes an upper insulator 21 and a plurality of upper conductive terminals 22 . An upper slot 211 is formed on the front of the left and right sides of the upper insulator 21 , and the upper parts of the front ends of the side walls of the two upper slots 211 protrude outward respectively to provide an upper buckle protrusion 212 . At least one upper positioning groove 213 is defined on the upper surface of the upper insulator 21 , and at least one upper fixing column 214 is protruded from the upper surface of the upper insulator 21 .

Each upper conductive terminal 22 is symmetrical to a corresponding lower conductive terminal 12 , and each upper conductive terminal 22 also has an upper holding plate 221 , an upper welding portion 222 and an upper contact portion 223 .

Please refer to FIG. 3 , the middle holding plate 30 has a rectangular holding base plate 31, and the middle part of the left and right side edges of the holding base plate 31 protrudes outwards with an extension plate 32, and the front edges of the two extension plates 32 are all facing An elongated elastic arm 33 extends from the front. The front edges of the two elastic arms 33 protrude from the front surface of the holding substrate 31 respectively. The rear end edge of one of the extension plates 32 is connected with a lower holding foot 35 that is bent downwards and extended and then bent and extended backwards, and the rear end edge of the other extension plate 32 is connected with a lower holding foot 35 that is bent upwards and extended and then bent backwards. Extended upper retaining foot 36. A plurality of holding holes 37 are defined on the holding substrate 31 .

Referring to FIGS. 2 to 7 , the tongue plate set 40 includes a rectangular tongue plate body 41 , a lower shell 42 , an upper shell 43 and two shields 44 . An insertion hole 411 is defined inwardly in the middle of the front surface of the tongue body 41 . Specifically, the insertion hole 411 consists of a front insertion hole 4111 opened inward from the middle of the front surface of the tongue plate body 41 and a front insertion hole 4111 opened inward from the rear wall of the front insertion hole 4111. Small rear insertion holes 4112 are combined. The rear portion of the tongue body 41 is provided with an installation slot 412 that penetrates up and down and through the rear surface of the tongue body 41. The upper and lower parts of the two side walls of the installation slot 412 are provided with a clamping groove 4121 inwardly. The front parts of the left and right sides of the plate body 41 are all provided with an elastic arm slot 413 that runs through the rear surface of the tongue plate body 41, and the front ends of the inner side walls of the two elastic arm slots 413 are respectively inwardly provided with a card that communicates with the insertion hole 411. The hook receiving hole 4131 and the rear ends of the inner sidewalls of the two elastic arm slots 413 respectively define an extension board receiving slot 4132 inwardly connected with the mounting slot 412 . A ring-shaped first stop block 414 protrudes from the periphery of the front edge of the tongue body 41 , and a second stopper is protruded from both sides of the installation slot 412 on the upper surface and the lower surface of the rear end edge of the tongue body 41 Block 415. On the front wall of the mounting slot 412, the tongue plate body 41 is provided with a set of lower terminal slots 416 extending to the bottom wall of the rear insertion hole 4112 in a transverse arrangement and a set of lower terminal slots 416 extending to the bottom wall of the insertion hole 411 in a transverse arrangement. The upper terminal slot 417 on the top wall of the rear insertion hole 4112 of the insertion hole 411 . The lower surface of the tongue body 41 is provided with a lower installation groove 418, and the left and right sides of the top wall rear of the lower installation groove 418 are provided with a lower insertion groove 4181 upwards, and the upper surface of the tongue body 411 corresponds to the lower installation groove. The groove 418 is provided with an upper installation groove 419 symmetrical to the lower installation groove 418, and an upper insertion groove 4191 is provided downward on the left and right sides of the rear portion of the bottom wall of the upper installation groove 419. The top wall of the lower mounting groove 418 and the bottom wall of the upper mounting groove 419 are respectively provided with a set of openings 4192 arranged transversely and correspondingly communicating with the lower terminal groove 416 and the upper terminal groove 417 . The lower surface and the upper surface of the tongue body 41 correspond to the front ends of the lower mounting groove 418 and the upper mounting groove 419, respectively, with a lower through hole 4193 and an upper through hole 4194 penetrating into the front insertion hole 4111. On the front wall of the hole 4193 and the upper through hole 4194, a plurality of lower baffles 4195 and a plurality of upper baffles 4196 protrude correspondingly at intervals.

The lower casing 42 has a lower casing substrate 421, and a rectangular lower through hole 422 is provided on both sides of the top rear portion of the lower casing substrate 421, and a number of front holes 422 arranged horizontally are connected to the rear wall of the lower through hole 422. The lower grounding pin 423 extending forward and downward and then extending forward, the rear ends of the left and right sides of the lower shell substrate 421 first extend outward and then bend upward to extend a locking part 424, the top front of the lower shell substrate 421 A lower accommodating hole 425 is opened in the middle, and the front edge of the lower shell substrate 421 is connected at intervals with a number of lower elastic pieces that are arranged in a horizontal direction and extend forward, then bend forward and upward, and then bend forward and downward. 426 , on the front wall of the lower receiving hole 425 , there is connected a lower spring resisting piece 427 that is bent upwards and then extended forwards, corresponding to each lower elastic piece 426 . The upper shell 43 and the lower shell 42 are symmetrical to each other, and the upper shell 43 has an upper shell substrate 431, two upper through holes 432, several upper grounding pins 433, two upper clamping parts 434, and an upper accommodating hole. 435, a number of upper elastic pieces 436 and a number of upper elastic pieces 437.

Please refer to FIG. 1 and FIG. 2 , the shielding case 50 includes a front case 51 , a lower case 52 and an upper case 53 . The front housing 51 is in the shape of a hollow runway. The front housing 51 has a rectangular plate-shaped bottom plate 511 and a rectangular plate-shaped top plate 512. The two side edges of the bottom plate 511 and the top plate 512 are respectively connected with an arc-shaped The connecting portion 513 of the bottom plate 511 is bent downward to extend at least one first welding portion 514 , and the rear end edge of the top plate 512 is bent upward to extend at least one second welding portion 515 .

The lower housing 52 has a lower housing base plate 521 in the shape of a rectangular plate. The left and right side edges of the lower housing base plate 521 are bent upwards to extend out a lower housing side plate 522, and the middle of the two lower housing side plates 522 is provided with a At least one holding hole 524 is defined in the shell slot 523 , and at the front and rear of the two lower shell side plates 522 . Both sides of the front edge of the lower shell 52 are connected to the front edges of the two lower shell side plates 522 with an arc-shaped lower closing plate 525 located at the connection between the lower shell base plate 521 and the two lower shell side plates 522 . A lower support plate 526 bent upwards is connected to the middle of the front edge of the lower shell substrate 521 , and a welding piece 527 is bent forward from the front edge of the lower support plate 526 .

The upper housing 53 has an upper housing substrate 531 in the shape of a rectangular plate. The left and right side edges of the upper housing substrate 531 are bent downwards to extend an upper housing side plate 532, and the middle of the two upper housing side plates 532 is opened. There is a gap 533 in the upper shell, and the lower edges of the gaps 533 in the two upper shells are connected with a fastening plate 534 that is bent outwards and extended downwards. The front and rear parts of the side plates 532 of the two upper shells are both At least one buckle 535 protrudes outward. An upper support plate 536 bent downwards is connected to the middle of the front edge of the upper shell substrate 531 , and an upper welding piece 537 is bent forward from the front edge of the upper support plate 536 . Both sides of the front edges of the two upper shell side plates 531 of the upper shell 53 are connected with an arc-shaped upper closing plate 538 located at the junction of the upper shell base plate 531 and the two upper shell side plates 532 .

Please refer to Fig. 1 to Fig. 7, when the utility model plug connector 100 is assembled, a plurality of lower conductive terminals 12 are integrally formed on the lower insulator 11, and the front ends of each lower conductive terminal 12 protrude from the front of the lower insulator 11 in a horizontal arrangement. surface. Specifically, each lower holding plate 121 is fixed in the lower insulator 11, each lower contact portion 123 protrudes from the front surface of the lower insulator 11 in a horizontal arrangement, and each lower welding portion 122 protrudes from the rear surface of the lower insulator 11 respectively. .

A plurality of upper conductive terminals 22 are integrally formed on the upper insulator 21 , and front ends of each upper conductive terminal 22 protrude from the front surface of the upper insulator 21 in a horizontal arrangement. Specifically, each upper holding plate 221 is fixed in the upper insulator 21, each upper contact portion 223 protrudes from the front surface of the upper insulator 21 in a transverse arrangement, and each upper welding portion 222 protrudes from the rear surface of the upper insulator 21 respectively. .

The upper terminal module 20 is installed on the lower terminal module 10, the middle holding plate 30 is installed between the lower terminal module 10 and the upper terminal module 20, and the lower fixing column 114 is fixed in the upper positioning groove 213 through a holding hole 37. , the upper fixing column 214 passes through a holding hole 37 and is fixed in the lower positioning groove 113, two extension plates 32 protrude from the left and right sides of the lower insulator 11 and the upper insulator 21, each lower holding foot 35 and each upper holding foot The ends of 36 are respectively flush with the ends of the lower welding portion 122 of the lower conductive terminal 12 and the ends of the upper welding portion 222 of the upper conductive terminal 22, and the upper surface of the lower holding leg 35 end is flush with the upper surface of each lower welding portion 122 , the lower surface of the end of the upper holding leg 36 is flush with the lower surface of each upper welding portion 222 . The lower locking protrusion 112 and the upper locking protrusion 212 are correspondingly engaged in a locking groove 4121 , thereby restricting the upward and backward movement of the lower insulator 11 and limiting the downward and backward movement of the upper insulator 21 .

The lower shell 42 and the upper shell 43 are respectively fixed on the upper surface and the lower surface of the tongue body 41 . Specifically, the lower shell base plate 421 is fixed in the lower installation groove 418, the two lower fastening parts 424 are correspondingly fixed in the lower insertion groove 4181, and the lower elastic pieces 426 are respectively accommodated in the lower through holes 4193. The front ends of the lower shrapnel 426 are correspondingly arranged between the two lower partitions 4195 and extend into the front insertion hole 4111 from the bottom wall of the front insertion hole 4111. Relatively, the upper shell base plate 431 is fixed in the upper installation groove 419 Inside, the two upper clamping parts 434 are correspondingly fixed in an upper insertion groove 4191, each upper elastic piece 436 is respectively accommodated in an upper through hole 4194, and the front ends of each upper elastic piece 536 are respectively arranged on two upper partitions correspondingly. 4196 and extend into the front insertion hole 4111 from the top wall of the front insertion hole 4111. The two shields 44 are attached to the front of the upper surface and the lower surface of the tongue body 41 respectively and cover the front of the opening 4192 . Specifically, the two shrouds 44 are attached to the top wall of the lower installation groove 418 and the bottom wall of the upper installation groove 419 respectively in the lower through hole 4193 and the upper through hole 4194, and the two shrouds 44 cover the lower through hole 4193. and the opening 4192 in the upper through hole 4194 are shielded.

Fix the lower insulator 11 and the upper insulator 21 in the installation notch 412 of the tongue plate group 40, the front surfaces of the lower insulator 11 and the upper insulator 21 are against the front wall of the installation notch 412 of the tongue body 41, each lower The front ends of the conductive terminals 12 and the front ends of the upper conductive terminals 22 are received in the lower terminal groove 416 and the upper terminal groove 417 respectively, and extend into the insertion hole 411 from the bottom wall and the top wall of the insertion hole 411 respectively. Specifically, the lower contact portions 123 of the lower conductive terminals 12 are respectively accommodated in the lower terminal grooves 416, and the ends of the lower contact portions 123 extend from the bottom wall of the rear insertion hole 411 into the rear insertion hole 4112; The upper contact portion 223 of each upper conductive terminal 22 is respectively accommodated in an upper terminal groove 417, and the ends of each upper contact portion 223 respectively extend into the rear insertion hole 4112 from the top wall of the rear insertion hole 4112 of the insertion hole 411 The two extension plates 32 are respectively accommodated in an extension plate receiving groove 4132, and the two elastic arms 33 are correspondingly accommodated in an elastic arm slot 413 respectively, and the two hooks 34 are respectively inserted through the hook accommodation holes 4131 and then plugged in. Inside the hole 4112.

The shielding case 50 covers the upper terminal module 10, the lower terminal module 20 and the tongue plate group 40, and several lower grounding legs 423 of the lower case 42 and several upper grounding legs 433 of the upper case 43 are connected with the front case respectively. The inner surface of the front housing 51 is in contact with each other, and the lower resilient pieces 427 and the upper resilient pieces 437 are respectively elastically abutted against the inner surface of the front housing 51 . Specifically, the front housing 51 is sheathed on the tongue body 41 and outside the upper terminal module 10 and the lower terminal module 20 between the first stopper 414 and the second stopper 415, several lower grounding feet 423 and several upper The grounding pins 433 abut against the inner surface of the front housing 51 respectively, the lower housing 52 is fixed on the rear of the front housing 51, the lower welding piece 527 is welded to the lower surface of the bottom plate 511, and the first welding portion 514 is welded to the lower support. On the inner side of the plate 526, two lower closing plates 525 are arranged on both sides of the rear portion of the lower surface of the bottom plate 511. The upper shell 53 is also fixed on the rear of the front shell and interlocked with the lower shell. Specifically, the upper welding piece 537 is welded to the upper surface of the top plate 512, the second welding portion 515 is welded to the inner surface of the upper support plate 536, and the two upper closing plates 538 are arranged on both sides of the upper surface of the top plate 512, and the lower shell side The plate 522 is attached to the side plate 532 of the upper housing, each buckle 535 is respectively clamped in a corresponding holding hole 524 , and each clamping plate 534 is respectively clamped in a corresponding slot 523 of the lower housing.

When the plug connector 100 of the present utility model is plugged with the docking socket connector, the lower shell 42 and the upper shell 43 are respectively fixed on the upper surface and the lower surface of the tongue body 41, thereby improving the strength of the tongue body 41, The lower housing 42 and the upper housing 43 abut against the inner surface of the front housing 51 through several lower grounding pins 423 and several upper grounding pins 433, respectively, and several lower resilient pieces 427 and several upper resilient pieces 437 elastically abut against the inner surface of the front housing 51 respectively. It is connected to the inner side of the front housing 51, which reduces the interference of external signals and the mutual signal interference between the lower conductive terminal 12 and the upper conductive terminal 22, improves the shielding effect and the quality of electrical signal transmission, and the lower elastic piece 425 and the upper elastic piece The setting of 435 improves the clamping force when plugged with the docking socket connector; a middle holding plate 30 is installed between the lower terminal module 10 and the upper terminal module 20, and the middle holding plate 30 is provided with a socket connector. The hook 34 held by the grounding plate (shown at the end of the figure), when the hook 34 is locked with the grounding plate of the socket connector, not only a holding force but also a shielding protection circuit are formed, which further improves the performance of shielding signal interference.

As mentioned above, the utility model plug connector 100 is integrally formed on the lower insulator 11 through a plurality of lower conductive terminals 12, a plurality of upper conductive terminals 22 are integrally formed on the upper insulator 21, and the middle holding plate 30 is installed on the lower terminal module 10 and Between the upper terminal modules 20, the lower insulator 11 and the upper insulator 21 are fixed in the installation slot 412, the lower shell 42 and the upper shell 43 are respectively fixed on the upper surface and the lower surface of the tongue body 41, and the front shell The body 51 is sheathed on the tongue body 41, the upper terminal module 20 and the lower terminal module 10. The inner surfaces of the front housing 51 are in contact with the lower housing 42 and the upper housing 43 respectively, and the lower housing 52 is fixed on the front housing. The upper shell 53 is also fixed on the rear of the front shell 51 and interlocked with the lower shell 52. When the plug connector 100 is plugged into the mating socket connector, the holding force is good and the front and back sides are both It can be plugged in for use, easy to assemble, strong in structure, high in electrical signal transmission quality, and convenient for users to use.

Claims (10)

1. A plug connector, characterized in that it includes a lower terminal module, an upper terminal module, a middle holding plate, a tongue plate group and a shielding housing; the lower terminal module further includes a lower insulator and a plurality of lower conductive terminals, A number of lower conductive terminals are integrally formed on the lower insulator, and the front ends of each lower conductive terminal protrude from the front surface of the lower insulator in a horizontal arrangement; the upper terminal module is installed on the lower terminal module, and further includes an upper insulator and several upper conductive terminals. Terminals, a number of upper conductive terminals are integrally formed on the upper insulator, and the front ends of each upper conductive terminal are horizontally arranged and protrude from the front surface of the upper insulator; the middle holding plate is installed between the lower terminal module and the upper terminal module; tongue plate The set includes a tongue plate body, a lower shell and an upper shell that are respectively fixed on the upper surface and the lower surface of the tongue plate body; an insertion hole is opened inward on the front surface of the tongue plate body, and a There is an installation slot that penetrates up and down and through the rear surface of the tongue plate body. The front wall of the installation slot is inwardly provided with a set of upper terminal slots that extend to the top wall of the insertion hole in a horizontal arrangement and a set of terminal slots that extend to the top of the socket. The lower terminal slot on the bottom wall of the insertion hole, the lower insulator and the upper insulator are fixed in the installation slot, and the front ends of the lower conductive terminals and the front ends of the upper conductive terminals are respectively accommodated in the lower terminal slot and the upper terminal The slot extends into the insertion hole from the bottom wall and the top wall of the insertion hole respectively; the shielding shell includes a front shell, an upper shell and a lower shell; the front shell is sleeved on the tongue body and the upper terminal module and the lower terminal module, the inner surfaces of which are in contact with the lower shell and the upper shell respectively, the lower shell is fixed at the rear of the front shell, and the upper shell is also fixed at the rear of the front shell and connected to the lower shell Snap each other. 2. The plug connector according to claim 1, wherein the front housing is in the shape of a hollow runway, the front housing has a bottom plate and a top plate, and the two side edges of the bottom plate and the top plate are respectively connected with an arc shaped connecting portion, the rear end edge of the bottom plate is bent downwards to extend at least one first welding portion, and the rear end edge of the top plate is bent upwards to extend at least one second welding portion; the lower shell has a The lower shell substrate in the shape of a rectangular plate, the middle part of the front edge of the lower shell substrate is connected with a lower support plate that is bent upwards and extended, and the front end edge of the lower support plate is bent forward to extend a welding piece; the upper shell has An upper shell substrate, the middle part of the front edge of the upper shell substrate is connected with an upper support plate bent downwards, and the front end edge of the upper support plate is bent forward to extend an upper welding piece; the lower welding piece is welded to On the lower surface of the bottom plate, the first welding portion is welded to the inner surface of the lower support plate, the upper welding sheet is welded to the upper surface of the top plate, and the second welding portion is welded to the inner surface of the upper support plate. 3. The plug connector according to claim 2, characterized in that: the left and right side edges of the lower shell substrate are bent upwards to extend out a lower shell side plate, and a lower shell is provided in the middle of the two lower shell side plates There is no slot, the front and rear of the two lower shell side plates are provided with at least one holding hole; the left and right side edges of the upper shell base plate are bent downward to extend an upper shell side plate, and the two upper shell side plates There is an upper shell slot in the middle of the two upper shell slots, and the lower edges of the two upper shell slots are connected with a clamping plate that is bent outward and then extended downward. The front and rear parts of the two upper shell side plates are At least one buckle is protruded outward; the side plate of the lower shell and the side plate of the upper shell are attached to each other, and each buckle is respectively set in a corresponding holding hole, and each fastening plate is respectively set in a corresponding In the slot of the lower shell. 4. The plug connector according to claim 3, characterized in that: both sides of the front edge of the lower housing are connected with an arc-shaped lower closing plate located at the joint between the lower housing substrate and the two lower housing side plates; Both sides of the front edge of the upper shell are connected with an arc-shaped upper closing plate located at the connection between the upper shell base plate and the two upper shell side plates; the two lower closing plates are arranged on both sides of the rear of the lower surface of the bottom plate The closing plates are arranged on both sides of the rear part of the upper surface of the top plate. 5. The plug connector according to claim 1, characterized in that: the front part of the left and right sides of the tongue body is provided with a spring arm slot penetrating through the rear surface of the tongue body, and the inner side walls of the two spring arms are slotted. The front ends of the two spring arms are respectively provided with a hook receiving hole connected with the insertion hole, and the rear ends of the inner side walls of the grooves of the two elastic arms are respectively provided with an extension plate receiving groove connected with the installation slot; The board has a holding base plate, and the middle part of the left and right side edges of the holding base plate protrudes outwards to extend an extension plate. The front edges of the two extension plates extend forward a long elastic arm. Protrude out from the front surface of the holding substrate respectively, and the ends of the two elastic arms are respectively protruded with a hook; the front surfaces of the lower insulator and the upper insulator are against the front wall of the installation slot, and the two extension plates are respectively The two sides of the lower insulator and the upper insulator protrude and are respectively accommodated in a receiving groove of an extension plate. The two elastic arms are correspondingly accommodated in a groove of an elastic arm. inside the hole. 6. The plug connector according to claim 5, wherein the insertion hole is formed by a front insertion hole opened inwardly from the middle of the front surface of the tongue body and a rear wall of the front insertion hole. The rear insertion holes opened inwardly are combined with the rear insertion holes smaller than the front insertion holes; the lower terminal slots extend to the bottom wall of the rear insertion hole, and the upper terminal slots extend to the top wall of the rear insertion hole Each of the lower conductive terminals has a lower holding plate, the rear end edge of the lower holding plate extends backward to a welding part, and the front end edge of the lower holding plate is connected with a first extending forward, then bending upwards, extending and finally bending downwards The lower contact part is folded and extended; each of the upper conductive terminals is symmetrical to a corresponding lower conductive terminal, and each upper conductive terminal also has an upper holding plate, an upper welding part and an upper contact part; The lower holding plates are fixed in the lower insulator, and the lower contact parts protrude from the front surface of the lower insulator in a horizontal arrangement and are respectively accommodated in the lower terminal grooves. The wall extends into the rear insertion hole, each upper holding plate is fixed in the upper insulator, and each upper contact portion protrudes from the front surface of the upper insulator in a transverse arrangement and is respectively accommodated in an upper terminal groove, each upper contact portion The ends respectively and extend into the rear insertion hole from the top wall of the rear insertion hole. 7. The plug connector as claimed in claim 6, wherein a lower retaining leg is connected to the rear end edge of one of the two extension plates, which is first bent downwards and then extended backwards, The rear end edge of the other extension plate is connected with an upper holding foot that is bent upward and then extended backward; the upper surface of the end of each lower holding foot is flush with the upper surface of each lower welding part, and each The lower surface of the end of the upper holding leg is flush with the lower surface of each upper welding part. 8. The plug connector according to claim 6, characterized in that: the lower surface of the tongue body is provided with a lower installation groove, and the left and right sides of the rear part of the top wall of the lower installation groove are both upwardly provided with a lower installation groove. Groove, the upper surface of the tongue body corresponding to the lower installation groove is provided with an upper installation groove symmetrical to the lower installation groove, and an upper insertion groove is opened downward on the left and right sides of the rear part of the bottom wall of the upper installation groove; The lower shell has a lower shell base plate, and a rectangular lower through hole is opened on both sides of the rear part of the top surface of the lower shell base plate. The rear wall of the lower through hole is connected with a number of horizontally arranged first extending forward and downward and then extending downward. For the lower grounding feet extending forward, the rear ends of the left and right edges of the lower shell substrate first extend outwards and then bend upwards to extend out a clamping part; the upper shell and the lower shell are symmetrical to each other, and the upper shell corresponds to It has an upper shell substrate, two upper through holes, and several upper grounding pins; the lower shell substrate is fixed in the lower installation groove, and the two lower clamping parts are correspondingly clamped in the lower insertion groove, and the upper The shell substrate is fixed in the upper installation groove, and the two upper clamping parts are correspondingly clamped in an upper insertion groove; the plurality of lower grounding legs and the plurality of upper grounding legs are respectively abutted against the inner surface of the front housing. 9. The plug connector according to claim 8, characterized in that: the lower surface and the upper surface of the tongue body correspond to the front ends of the lower installation groove and the upper installation groove respectively, and there are through-to-front insertion holes There are a lower through hole and an upper through hole inside, and the front walls of the lower through hole and the upper through hole are respectively protruded with a plurality of lower partitions and a plurality of upper partitions at intervals; the front edge of the lower shell substrate is connected at intervals There are a number of lower shrapnels arranged horizontally that first extend forward and then bend forward and upward at the end of the extension, and then bend and extend forward and downward; Symmetrical upper shrapnel; each lower shrapnel is accommodated in the lower through hole, and the front end of each lower shrapnel is respectively arranged between the two lower partitions and extends into the front insertion hole from the bottom wall of the front insertion hole; each upper The elastic pieces are respectively accommodated in the upper through holes, and the front ends of each upper elastic piece are correspondingly arranged between the two upper partitions and extend into the front insertion hole from the top wall of the front insertion hole. 10. The plug connector as claimed in claim 9, characterized in that: a lower accommodating hole penetrating up and down is opened in the middle of the top front of the lower shell substrate, and the front wall of the lower accommodating hole corresponds to each lower The elastic pieces are connected with a lower elastic piece that is bent upward and then extended forward; the upper housing substrate is correspondingly provided with an upper accommodation hole and connected with several upper elastic pieces that are symmetrical to the lower elastic piece; The top wall of the lower mounting groove and the bottom wall of the upper mounting groove are respectively provided with a group of openings arranged in a horizontal direction and correspondingly connected with the lower terminal groove and the upper terminal groove; the tongue plate group also includes two cover The two shields are attached to the top wall of the lower installation groove and the bottom wall of the upper installation groove respectively in the lower through hole and the upper through hole, and the two shields connect the openings in the lower through hole and the upper through hole shaded.